41st week of 2019 patent applcation highlights part 57 |
Patent application number | Title | Published |
20190312672 | CHANNEL CODING METHOD OF VARIABLE LENGTH INFORMATION USING BLOCK CODE - A method for channel-coding information bits using a code generation matrix including 32 rows and A columns corresponding to length of the information bits includes, channel-coding the information bits having “A” length using basis sequences having 32-bit length corresponding to columns of the code generation matrix, and outputting the channel-coded result as an output sequence. If “A” is higher than 10, the code generation matrix is generated when (A−10) additional basis sequences were added as column-directional sequences to a first or second matrix. The first matrix is a TFCI code generation matrix composed of 32 rows and 10 columns used for TFCI coding. The second matrix is made when at least one of an inter-row location or an inter-column location of the first matrix was changed. The additional basis sequences satisfy a value 10 of a minimum Hamming distance. | 2019-10-10 |
20190312673 | Signal Transmission Method and Base Station - A signal transmission method is performed by a base station. The method includes: determining, a first carrier signal that is to be sent in a first cell on a first carrier and a second carrier signal that is to be sent in a second cell on a second carrier; mapping, the first carrier signal and the second carrier signal to N physical ports of an RRU, so that within a same OFDM symbol, a type B symbol used to transmit a pilot in the first carrier signal and a type B symbol used to transmit a pilot in the second carrier signal are mapped to different physical ports, and a total power of signals sent on each of N physical channels is not greater than a rated power of the RRU; and sending, the first carrier signal and the second carrier signal through the N physical ports. | 2019-10-10 |
20190312674 | PROBABILISTIC SIGNAL SHAPING USING A SELF-REFERENCING SEQUENCE - A shaping encoder configured to generate a stream of output bit-words, wherein different bit-word values have different respective rates of occurrence to cause the optical transmitter connected to the shaping encoder to transmit constellation symbols of relatively high energy less frequently than constellation symbols of relatively low energy. The stream of output bit-words is self-referencing in that it encodes one of the input bitstreams applied to the shaping encoder in one or more designated bits of the output bit-words and is generated using a dither stream that can be recovered by the shaping decoder solely based on those one or more designated bits. As a result, some of the circuitry used in the shaping encoder at the transmitter and in the shaping decoder at the receiver can be identical, which can advantageously be used, e.g., to reduce the production costs. | 2019-10-10 |
20190312675 | BASE STATION APPARATUS, TERMINAL APPARATUS, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - Provided is a coding unit to determine the number of code block groups, divide an input bit sequence to code block segmentation into code block groups of the number of the code block groups, determine the number of code blocks for each of the code block groups, divide each of the code block groups into code blocks of the number of the code blocks, and apply channel coding to each of the code blocks. | 2019-10-10 |
20190312676 | APPARATUS AND METHOD FOR ENCODING AND DECODING USING POLAR CODE IN WIRELESS COMMUNICATION SYSTEM - The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure relates to encoding and decoding by using a polar code in a wireless communication system, and an operation method of a transmission-end apparatus includes determining segmentation and the number of segments, based on parameters associated with encoding of information bits, encoding the information bits according to the number of check bits, and transmitting the encoded information bits to a reception-end apparatus. | 2019-10-10 |
20190312677 | Method for Identifying Data Corruption in a Data Transfer Over an Error-Proof Communication Link - System and method for identifying data corruption in a data transfer over an error-proof communication link, wherein additional structure checksums are formed to secure a data structure during transfer of the data structure, where representatives are associated with the data types, and the structure checksum is formed via the representatives to provide identification of data corruption in a data transfer over an error-proof communication link between a first automation component and a second automation component in industrial control engineering. | 2019-10-10 |
20190312678 | BASE STATION APPARATUS, TERMINAL APPARATUS, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - Channel encoding is provided that includes applying turbo coding with a coding rate of 1/5 to an input bit sequence, applying a subblock interleaver to each of first to fifth code bit sequences to which the turbo coding is applied, applying bit collection to the first to fifth code bit sequences output from the subblock interleaver, the bit collection outputting the first code bit sequence in order, outputting the second code bit sequence and the fourth code bit sequence alternately on a bit-by-bit basis after the first code bit sequence, and outputting the second code bit sequence and the fifth code bit sequence alternately on a bit-by-bit basis. | 2019-10-10 |
20190312679 | POLAR CODES FOR DOWNLINK CONTROL CHANNELS FOR WIRELESS NETWORKS - Polar Codes for Downlink Control Channels for Wireless Networks A technique is provided for decoding downlink control information that was encoded using polar encoding, the technique including: attempting, based on an initial assumption by a user device of a segmented downlink control information, to decode a first codeword provided via a user device-specific resource, the first codeword including a first downlink control information segment and a pointer to a second downlink control information segment of a segmented downlink control information; decoding, if the attempting to decode is successful, based on the pointer, a second codeword that includes the second downlink control information segment of the segmented downlink control information; and otherwise, if the attempting to decode is unsuccessful, making an assumption of a non-segmented downlink control information and decoding a third codeword to obtain a non-segmented downlink control information. | 2019-10-10 |
20190312680 | TRANSMITTER APPARATUS AND SIGNAL PROCESSING METHOD THEREOF - A transmitter apparatus and a receiver apparatus are provided. The transmitter apparatus includes: an encoder configured to generate a low density parity check (LDPC) by performing LDPC encoding; an interleaver configured to interleave the LDPC codeword; and a modulator configured to map the interleaved LDPC codeword onto a modulation symbol. The modulator maps a bit included in a predetermined group from among a plurality of groups constituting the LDPC codeword onto a predetermined bit in the modulation symbol. | 2019-10-10 |
20190312681 | POLAR CODE TRANSMISSION METHOD AND APPARATUS - Embodiments provide a Polar code transmission method and apparatus. A bit sequence is encoded into a code sequence using Polar code by a network device. The bit sequence contains a control signaling and a Cyclic Redundancy Code (CRC) sequence. The code sequence is transformed into M copies such that an i | 2019-10-10 |
20190312682 | RETRANSMISSION OF FAILED TRANSPORT BLOCKS FOR 5G OR OTHER NEXT GENERATION NETWORK - Failed transport blocks can be retransmitted when the number of layers is different compared to the number of layers for re-transmission. Mapping tables can be used for retransmitting the failed packets when a user equipment reported rank is different from the transmitted rank. In addition, an indication can be sent to the user equipment to indicate the failed transport blocks when the network decides to use a different codeword for transmitting a failed packet. | 2019-10-10 |
20190312683 | Device for a vehicular network providing incident retransmission - A system for transmission of incident information includes maintaining a table of RSSI values for a plurality of stations. When an incident is detected, the system first sends a broadcast packet with incident information, and next sends a unicast packet to any station below a particular RSSI threshold until the unicast packet is acknowledged or a retransmission interval passes. | 2019-10-10 |
20190312684 | METHODS AND APPARATUSES FOR GROUP TRANSMISSIONS - The embodiments herein relates to a network node, a UE, and methods thereof for reliable group transmissions. The method in the UE comprises receiving, from a network node, at least one signaling comprising HARQ parameters including a diversity distance between a HARQ transmission and a subsequent HARQ re-transmission and information on a number of retransmissions; receiving at least one transmission comprising at least one packet from the network node; decoding the received at least one packet; if the decoding of the at least one packet is successful, encoding the at least one packet and retransmitting, to at least one other UE of the group, the at least one transmission including the at least one encoded packet, wherein retransmitting of the at least one packet is performed simultaneously as retransmission of the at least one transmission from the network node to the at least one other UE of the group. | 2019-10-10 |
20190312685 | METHOD AND APPARATUS FOR OBTAINING HARQ FEEDBACK AND METHOD AND APPARATUS FOR TRANSMITTING HARQ FEEDBACK - The present disclosure provides a method and an apparatus for obtaining HARQ feedback and transmitting HARQ feedback. The method of obtaining HARQ feedback includes: short TTI scheduling information is configured into a first target long TTI according to service requirements; the short TTI scheduling information is sent to second equipment through the first target long TTI; one or more short TTIs in a second target long TTI is scheduled according to the short TTI scheduling information and the scheduled one or more short TTIs are sent to the second equipment; and HARQ feedback for each of the one or more short TTIs which is sequentially sent by the second equipment within the second target long TTI is received. The method provided in the present disclosure may effectively shorten the HARQ feedback latency of short TTIs and improve the flexibility of data transmission. | 2019-10-10 |
20190312686 | USER TERMINAL AND RADIO COMMUNICATION METHOD - The present invention is designed to prevent gaps in the understanding of redundancy version values between radio base stations and user terminal when asynchronous retransmission control is executed. A user terminal according to one aspect of the present invention has a transmission section that transmits uplink (UL) data, and a control section that controls transmission of the UL data based on retransmission control information from a radio base station, and the control section determines the value of a redundancy version (RV) to apply to the UL data, transmitted with the same HARQ process number (HPN), based on a predetermined rule, and the transmission section transmits RV information, which indicates the value of the RV, with the UL data. | 2019-10-10 |
20190312687 | UPLINK CHANNEL RESERVATION WITH CONFLICTING WIRELESS COMMUNICATIONS - Systems and methods presented herein provide for channel reservation for a wireless telephony system operating in an RF band with a wireless system comprising a conflicting wireless technology. One method is operable with an eNodeB. The method includes assigning an ID (e.g., a pseudorandom number sequence, or “PN sequence”) to a user equipment (UE) operating in the RF band, processing a scheduling request for uplink (UL) data from the UE, and granting a time and a frequency for the UE to transmit the UL data. The method also includes waiting until the UE performs a Listen Before Talk (LBT) operation to determine whether the granted time and frequency is occupied by another wireless system employing a different wireless technology. The method also includes transmitting the ID to the UE to reserve the granted time and frequency when unoccupied by the other wireless system, and processing the UL data from the UE. | 2019-10-10 |
20190312688 | POWER CONTROL FOR FEEDBACK SIGNALING - There is disclosed a method of operating a user equipment in a radio access network. The method includes transmitting feedback signaling pertaining to a plurality of cells, the feedback signaling being transmitted at a power level, the power level being based on a difference between a value V and a value U, the value V being indicative of the total number of scheduling assignments the user equipment is expected to receive for the plurality of cells, and the value U being indicative of the total number of scheduling assignments for the plurality of cells received by the user equipment. The disclosure also pertains to related devices and methods. | 2019-10-10 |
20190312689 | DISENTANGLED ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING FOR NAVIGATION AND POSITIONING SIGNALS - Many mobile devices and mobile networks utilize orthogonal frequency division multiplexing (OFDM) to calculate position information of mobile devices within the network. However, the Doppler Effect and other noise or obstructions can cause OFDM signals to become entangled, particularly when the mobile device is moving, making the calculated position information inaccurate. Described herein are systems and methods for disentangling the OFDM signals by calculating a symbol length for the signals that is longer than the minimum symbol length, which is used in traditional OFDM. Selecting a longer symbol length reduces the Doppler Effect and other noise on the signals, making positioning calculations more accurate. | 2019-10-10 |
20190312690 | METHOD AND APPARATUS FOR IMPLEMENTING REFERENCE SIGNAL TRANSMISSIONS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for implementing reference signal transmissions in a wireless communication system. In one embodiment, the method includes the cell, transmission point (TP), or transmission and reception point (TRP) broadcasting a first RS periodically for measurement, wherein the first RS is transmitted at multiple occasions (or timings) in each period on different beams. The method also includes the cell, TP, or TRP transmitting a second RS to a UE for PDCCH demodulation, wherein the second RS is transmitted on multiple beams in a beam set of the UE in a subframe (or symbol) in which the PDCCH is transmitted. | 2019-10-10 |
20190312691 | SYMBOL PROCESSING - Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that a resource spread multiple access scheme is enabled, wherein the bit and/or symbol level resource spreading happens in time and/or frequency domain through bits or symbol level repetition and spreading. Furthermore, the UE may process bits of codewords and modulated symbols using a set of spreading sequences and a set of scrambling sequences. The UE may transmit the modulated symbols with a discrete-Fourier-transform (DFT)-spread (DFT-s) waveform based at least in part on processing the modulated symbols using the set of spreading sequences and the set of scrambling sequences. Numerous other aspects are provided. | 2019-10-10 |
20190312692 | METHOD AND SYSTEM FOR CENTRALIZED DISTRIBUTED TRANSCEIVER MANAGEMENT - A master application device comprises a plurality of distributed transceivers, a central baseband processor, and a network management engine that manages operation of the master application device and end-user application devices. The master application device communicates data streams to the end-user devices utilizing one or more distributed transceivers selected from the plurality of distributed transceivers. The selected distributed transceivers are dynamically configured to switch between spatial diversity mode, frequency diversity mode, multiplexing mode and MIMO mode based on corresponding link quality and propagation environment. Digital signal processing needed for the selected distributed transceivers is performed by the central baseband processor. The network management engine continuously monitors communication environment information to configure beamforming settings and/or antenna arrangement for the selected distributed transceivers. Connection types, communication protocols, and/or transceiver operation modes are determined for the selected distributed transceivers. Resources are allocated to the selected distributed transceivers to continue subsequent data communication. | 2019-10-10 |
20190312693 | A Wireless Device, a Network Node and Methods Therein for Transmission of Synchronization Signals - A method performed by a first wireless device ( | 2019-10-10 |
20190312694 | METHOD AND SYSTEM FOR NON-ORTHOGONAL MULTIPLE ACCESS COMMUNICATION - A bit-level operation may be implemented prior to modulation and resource element (RE) mapping in order to generate a NoMA transmission using standard (QAM, QPSK, BPSK, etc.) modulators. In this way, the bit-level operation is exploited to achieve the benefits of NoMA (e.g., improved spectral efficiency, reduced overhead, etc.) at significantly less signal processing and hardware implementation complexity. The bit-level operation is specifically designed to produce an output bit-stream that is longer than the input bit-stream, and that includes output bit-values that are computed as a function of the input bit-values such that when the output bit-stream is subjected to modulation (e.g., m-ary QAM, QPSK, BPSK), the resulting symbols emulate a spreading operation that would otherwise have been generated from the input bit-stream, either by a NoMA-specific modulator or by a symbol-domain spreading operation. | 2019-10-10 |
20190312695 | METHOD FOR TRANSMITTING REFERENCE SIGNAL - According to the present disclosure, behaviors of a Base Station (BS) and a User Equipment (UE) pertinent to Reference Signal (RS) transmissions are discussed. BS may configure RS corresponding to a set of antenna ports in two or more groups of Orthogonal Frequency Division Multiplexing (OFDM) symbols on a short Physical Downlink Sharing CHannel (sPDSCH), where subcarrier indices used for RS transmission are different between at least two groups of OFDM symbols. Then, BS may transmit the RS to UE. UE will receive RS and perform channel estimation based on the received RS. | 2019-10-10 |
20190312696 | METHOD FOR TRANSMITTING FEEDBACK INFORMATION FOR DM-RS BASED DOWNLINK TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - Disclosed is a method by which a terminal reports channel status information (CSI) to a base station in a wireless communication system, so as to perform a demodulation reference signal (DM-RS)-based downlink transmission through a multi-layer. Particularly, the method comprises the steps of: receiving a channel status information-reference signal (CSI-RS) from the base station; calculating the CSI on the basis of the CSI-RS, on the assumption that a dual pre-coder composed of a first pre-coder and a second pre-coder is applied; and reporting the calculated CSI to the base station, wherein column vectors of the second pre-coder are composed of a single discrete Fourier transform (DFT) vector. | 2019-10-10 |
20190312697 | REFERENCE SIGNAL TRANSMISSION METHOD, TRANSMITTER AND RECEIVER - The present disclosure provides a reference signal transmission method, a transmitter and a receiver. The reference signal transmission method includes: precoding, by a transmitter, a data stream for user data through a second precoding matrix so as to acquire D virtual data streams; precoding, by the transmitter, the D virtual data streams through a first precoding matrix, and transmitting the D precoded virtual data streams to a receiver via T antenna groups, each antenna group including one or more antenna units or antenna ports having a same phase noise; transmitting, by the transmitter, D demodulation reference signals to the receiver; and transmitting, by the transmitter, M phase-tracking reference signals to the receiver, the M phase-tracking reference signals being adopted to track phase changes in the T antenna groups caused by one or more phase noise sources. | 2019-10-10 |
20190312698 | TECHNIQUES FOR BEAM ASSIGNMENTS FOR BEAMFORMING WIRELESS COMMUNICATIONS - Aspects described herein relate to configuring a media access control (MAC)-control element (CE) to update a sounding reference signal (SRS) beam within a wireless communication system. Other aspects described herein relate to configuring default beam information for determining a beam for data channel communications within the wireless communication system. A user equipment (UE) or other device can determine to use the default beam information for configuring the beam for a data channel communication and for performing power control using, e.g., physical uplink shared channel (PUSCH) parameters. In addition, in some examples, the device can transmit the data channel communication using a beam configured based on the default beam information. | 2019-10-10 |
20190312699 | EMERGENCY CALL HANDLING WITHIN IP MULTIMEDIA SYSTEM (IMS) NETWORKS - Systems and methods are described herein for handling E911 communications within IMS networks, such as Voice over LTE (VoLTE) networks. In some embodiments, the systems and methods, via various communication nodes, handle or otherwise govern emergency calls within the VoLTE network, by sending an INVITE message from a sender node of the VoLTE network to a recipient node of the VoLTE network, and starting a retry timer at the sender node that is specific to handling E911 calls by the VoLTE network. | 2019-10-10 |
20190312700 | REUSING LONG-TERM EVOLUTION (LTE) REFERENCE SIGNALS FOR NEW RADIO (NR) SYSTEM OPERATIONS - Wireless communications systems and methods related to reusing long-term evolution (LTE) resources for new radio (NR) system operations are provided. A UE receives, from a base station, a reference signal configuration of a first network of a long-term evolution (LTE) radio access technology (RAT). The UE and the base station are associated with a second network of another RAT. The reference signal configuration indicates at least a number of antenna ports associated with a reference signal of the first network. The UE determines a location of the reference signal associated with the reference signal configuration and receives, from the base station, a data signal of the second network based at least on the location of the reference signal of the first network. | 2019-10-10 |
20190312701 | METHODS AND APPARATUS FOR TRANSMITTING MODULATION SIGNALS - A plurality of multicarrier signals is generated. Each of the plurality of multicarrier signals includes a pilot symbol sequence at a same temporal point in each multicarrier signal. Each pilot symbol sequence includes a plurality of pilot symbols with non-zero amplitude. A quantity of the plurality of pilot symbols in each pilot symbol sequence is greater than or equal to a quantity of the plurality of multicarrier signals to be transmitted. The plurality of multicarrier signals are transmitted in an identical frequency band from a plurality of antennas. | 2019-10-10 |
20190312702 | DATA TRANSMISSION METHOD AND APPARATUS - This application provides a data transmission method and an apparatus, in which two radio access network devices share a resource. A first radio access network device determines a resource occupation status corresponding to a different status of a second access network device on a shared resource. The first radio access network device indicates the resource occupation status to a terminal device served by the first radio access network device. The terminal device determines an available resource in a shared carrier based on the resource occupation status, and communicates with the first access network device using the available resource. The first radio access network device can perform communication on the shared resource regardless of a status of the second radio access network device on the shared resource, so that the two radio access network devices flexibly and efficiently coexist in the shared carrier. This improves utilization of the shared resource. | 2019-10-10 |
20190312703 | REFERENCE SIGNAL SENDING AND RECEIVING METHOD, ACCESS NETWORK DEVICE, AND TERMINAL DEVICE - A reference signal sending and receiving method, an access network device, and a terminal device are provided. The method includes: determining, by an access network device, a demodulation reference signal DMRS pattern corresponding to an antenna port; sending, by the access network device, first indication information to a terminal device, where the first indication information indicates the DMRS pattern corresponding to the antenna port; and sending, by the access network device, a DMRS to the terminal device through the antenna port on a resource corresponding to the DMRS pattern. According to the embodiments of this application, the resource for transmitting the DMRS corresponding to the antenna port can be flexibly indicated by the DMRS pattern. | 2019-10-10 |
20190312704 | SOUNDING REFERENCE SIGNALS WITH COLLISIONS IN ASYMMETRIC CARRIER AGGREGATION - An apparatus may use inactive uplink portions of a downlink CC to transmit SRS to an eNB. At times there may be a collision between the SRS transmission and uplink transmissions or downlink transmissions on another CC. The apparatus receives a carrier aggregation configuration for a first downlink CC and a second CC, determines to transmit an uplink transmission on the second CC or to receive a downlink transmission on the second CC, determines that the SRS would at least partially collide with the uplink transmission or the downlink transmission, and determines to adjust at least one of the uplink transmission, the SRS transmission, or reception of the downlink transmission based on the determination of the collision and an interruption time to transmit the SRS in the uplink portion of the first CC. | 2019-10-10 |
20190312705 | TERMINAL APPARATUS, BASE STATION, METHOD AND RECORDING MEDIUM - [Object] To provide the uplink reference signal for beam tracking. | 2019-10-10 |
20190312706 | INDICATING A NUMBER OF CODEWORDS IN 5G WIRELESS COMMUNICATION SYSTEMS - Various embodiments disclosed herein provide for indicating a number of codeword symbols in a data traffic transmission. Depending on the number of layers of a data traffic transmission, the transmission can either comprise one codeword symbol or two codeword symbols. If there are two codeword symbols included in a data traffic transmission, the transmitter can indicate the modulation code scheme and other information for each codeword symbol in the first codeword symbol and second codeword symbol locations in the downlink control information data structure. If there is only one codeword symbol, however, the transmitter can provide a modulation code scheme and redundancy version that would not be self-decodable in the second codeword symbol setting location, indicating to the receiver that there is only one codeword symbol in the data traffic transmission. | 2019-10-10 |
20190312707 | WIRELESS DEVICE AND METHOD THEREIN FOR DETERMINING A SEARCH SPACE IN A WIRELESS COMMUNICATIONS NETWORK - A method performed by a wireless device for determining a search space for a physical control channel in a wireless communications network is provided. The wireless device is configured with a first search space of a physical control channel which first search space is associated with a first synchronization signal. The wireless device attempts to receive the first synchronization signal from a first network node. The wireless device then determines a search space for a physical control channel based on whether or not the attempt to receive said first synchronization signal was successful. When the attempt to receive said first synchronization signal was successful determining a first search space for the physical control channel, and when the attempt to receive said first synchronization signal was not successful determining a second search space for any one or more out of: the physical control channel and a second physical control channel. | 2019-10-10 |
20190312708 | SIGNALING OF ALTERNATIVE MODULATION CODING SCHEMES - Wireless devices may employ techniques for indicating alternative modulation coding schemes (MCSs) (e.g., MCS values or MCS indices not associated with a default list or default MCS table). That is, communications (e.g., such as physical downlink control channel (PDCCH) transmissions carrying downlink control information (DCI), physical downlink shared channel (PDSCH) transmissions carrying uplink grants, etc.) may include information (e.g., in MCS fields and reserved fields) that indicate alternative MCSs for subsequent communications. For example, random access radio network temporary identifier (RA-RNTI) scrambled DCI, random access response (RAR) messages, etc., may indicate an alternative MCS for subsequent messages in a random access procedure (e.g., for a RAR, an RRC connection request, etc.). The alternative MCS may be conveyed by indicating information such as MCS scaling factors, alternative MCS table IDs, MCS indices associated with the alternative MCS table, or some combination thereof. | 2019-10-10 |
20190312709 | MOBILE STATION, BASE STATION, COMMUNICATIONS SYSTEM, AND COMMUNICATIONS METHOD - A mobile station includes a radio link control unit for outputting or inputting data that are transmitted or received via a radio channel to or from a higher-level protocol layer, a media access control unit for outputting or inputting the data via a logical channel to or from the radio link control unit, a physical layer control unit for outputting or inputting the data via a transport channel to or from the media access control unit, and for controlling radio communications, and a radio resource control unit for outputting or inputting control data to or from the radio link control unit, media access control unit, and physical layer control unit. The mobile station multiplexes report information therefrom into a channel for packet data transmission so as to transmit it to a base station. The base station carries out assignment of radio resources using the report information. | 2019-10-10 |
20190312710 | CONTROL INFORMATION FOR MULTI-USER TRANSMISSIONS IN WLAN SYSTEMS - In wireless communications for multi-users, an access point may generate a first frame for allocating resources to a plurality of stations. The first frame may contain an indication as to whether a station(s) is allocated at least one of a set of resource units (RUs) of a plurality of RUs, such as a center 26-tone RU. The set of resource units may be based on a channel bandwidth of the wireless communications. The indication may be contained in a common block field of signal fields, such as a common block field of high efficiency (HE) signal content channel(s) of an HE signal field. The station(s) may receive the first frame and determine whether the one of the set of RUs is allocated. The station(s) may transmit a second frame to the access point based on resource allocation information in the first frame. Other methods, apparatus, and computer-readable media are also disclosed. | 2019-10-10 |
20190312711 | METHODS, APPARATUS, SYSTEMS AND PROCEDURES FOR SUPPORTING MULTICAST TRANSMISSION - Methods, apparatus, systems and procedures to manage a multicast communication to a multicast group implemented by a respective wireless transmit/receive unit (WTRU) of WTRUs in the multicast group are disclosed. One representative method includes receiving, by the respective WTRU of the multicast group, a configuration, the configuration indicating a Random Access Channel (RACH) preamble to use for a negative acknowledgement (NACK) response to a multicast transmission to the respective WTRU, monitoring, by the respective WTRU, for data of the multicast transmission, determining, by the respective WTRU, whether the monitored for data was successfully received; and on condition that the monitored for data was not successfully received, sending, by the respective WTRU, the RACH preamble indicated by the received configuration. | 2019-10-10 |
20190312712 | APPARATUS AND METHOD FOR TRANSCEIVING CHANNEL STATE INFORMATION - A method of an evolved Node B (eNB) in a wireless environment is provided. The method includes receiving, from a user equipment (UE), a plurality of channel state information (CSI) feedback respectively corresponding to a plurality of CSI processes that are respectively allocated a plurality of precoding matrix indexes (PMIs), determining a modulation and coding scheme (MCS) value based on the plurality of received CSI feedback, and transmitting, to the UE, data modulated based on the determined MCS value by cyclically using the plurality of PMIs, wherein the plurality of CSI feedback may each include information on a channel quality indication (CQI) as to a PMI allocated to a CSI process corresponding to each of the plurality of CSI feedback. | 2019-10-10 |
20190312713 | SEMI-STATIC HARQ-ACK CODEBOOK WITH MULTIPLE PDSCH TRANSMISSIONS PER SLOT - Certain aspects of the present disclosure relate generally to wireless communications systems, and more particularly, to techniques that may help reduce or eliminate ambiguity in acknowledging multiple PDSCH transmission in a single transmission time interval (TTI). | 2019-10-10 |
20190312714 | BASE STATION APPARATUS, TERMINAL APPARATUS, AND COMMUNICATION METHOD - A terminal apparatus using large FFT points transmits a reference signal such that short OFDM symbols are repeated. | 2019-10-10 |
20190312715 | Network Communication Method - There is provided a method for supporting full duplex communication between a local PHY and a remote PHY via a single balanced pair of conductors. The method comprises for each PHY receiving a binary data stream and converting the binary data stream into a ternary symbol stream, wherein the conversion comprises:
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20190312716 | Method and Apparatus for Configuring Operation Mode of a Remote Transceiver Unit - The present invention discloses a method for configuring an operation mode of a remote transceiver unit connected to an access node via a communication line, the remote transceiver unit being operable in at least two operation modes: a Time Division Duplex, TDD, mode and a full duplex, FDX, mode; the method comprising, by the access node: a) obtaining a channel characteristic derived from channel measurements performed over the communication line, b) determining the operation mode of the remote transceiver unit as the FDX mode or the TDD mode based on the channel characteristic; c) transmitting an indication indicating the determined operation mode to the remote transceiver unit. | 2019-10-10 |
20190312717 | CLOCK TRANSMISSION METHOD AND RELATED DEVICE - Embodiments relate to optical transport technologies, and more specifically, to a clock transmission method. Under this method, a first optical data unit (ODU) container can be obtained. Phase discrimination can be performed on an obtained first clock and a first ODU clock of a transmit end, to generate a first PD value. The first | 2019-10-10 |
20190312718 | USING SECURE KEY STORAGE TO BIND A WHITE-BOX IMPLEMENTATION TO ONE PLATFORM - A method for performing a secure function in a data processing system is provided. In accordance with one embodiment, the method includes generating and encoding an encryption key. The encoded encryption key may be encrypted in a key store in a trusted execution environment (TEE) of the data processing system. The encrypted encryption key may encrypted, stored, and decrypted in the key store in the TEE, but used in a white-box implementation to perform a secure function. The secure function may include encrypting a value in the white-box implementation for securing a monetary value on, for example, a smart card. In one embodiment, each time an encryption key or decryption key is used, it is changed to a new key. The method makes code lifting and rollback attacks more difficult for an attacker because the key is stored separately from, for example, a white-box implementation in secure storage. | 2019-10-10 |
20190312719 | USER DEVICE AND ELECTRONIC DEVICE FOR SHARING DATA BASED ON BLOCK CHAIN AND HOMOMORPHIC ENCRYPTION TECHNOLOGY AND METHODS THEREOF - A data sharing method of a user device is provided. The data sharing method includes receiving, from a server device storing information, a private key corresponding to the information, performing a homomorphic encryption of the private key by a homomorphic encryption key provided from the server device, and generating a switch key, and uploading the switch key to a blockchain system. Accordingly, a more effective and clear data sharing is provided. | 2019-10-10 |
20190312720 | METHOD FOR REMOTELY ACQUIRING SECRET KEY, POS TERMINAL AND STORAGE MEDIUM - A method for remotely acquiring secret key, comprising steps of detecting an injection key acquisition instruction; generating a temporary key pair when the injection key acquisition instruction is detected; acquiring a locally stored private key in a random key pair, and using a private key in the random key pair to perform signature on a public key in the temporary key pair to generate a temporary key signature; acquiring a first identity authentication certificate; sending the temporary key signature and the first identity authentication certificate to a remote injection server; receiving an injection key ciphertext signature and a second identity authentication certificate which is returned by the remote injection server according to the temporary key signature and the first identity authentication certificate; and acquiring and storing an injection key according to the injection key ciphertext signature and the second identity authentication certificate. | 2019-10-10 |
20190312721 | PROTECTIONS FOR UNAUTHORIZED COPYING (ANTI-CLONING) METHOD AND SYSTEM - An object is protected from unauthorized copying by providing a key generator for the object, producing a first key, second key and a lock for the keys, storing the first key in the object, storing the second key in a database separate from the object, reading the first and second keys, opening the lock with the first and second keys, producing a third and fourth keys and a new lock for the object, invalidating the first and second keys, replacing the first key in the object with the third key, and replacing the second key in the database with the fourth key. | 2019-10-10 |
20190312722 | APPLICATION SPECIFIC CERTIFICATE MANAGEMENT - Application specific certificate deployment may be provided. An application may generate a security certificate comprising a public key and a first private key. The public key may be stored in a shared segment of a memory store, from where it may be retrieved and signed. The signed public key may be re-deployed and/or used to transmit securely encrypted resources. | 2019-10-10 |
20190312723 | Phase and Polarization Multi-degree-of-freedom Modulated QKD Network System and Method - A system includes an Alice transmitting terminal, a wavelength division multiplexing (WDM) unit and a plurality of Bob terminals for receiving a plurality of photons of different wavelengths; the Alice terminal is connected with the plurality of Bob terminals by the WDM unit; the Alice terminal includes a multi-wavelength laser generation device, an attenuator, a first polarization beam splitter, a first beam combiner, a phase modulator, a first polarization controller and a second polarization controller; the WDM unit includes a wavelength selection device; each Bob terminal includes a second polarization controller, a third polarization controller, a fourth polarization controller, a third polarization beam splitter, a fourth polarization beam splitter, a second beam combiner, a third beam combiner, a first photon detector, a second photon detector, a third photon detector and a fourth photon detector. | 2019-10-10 |
20190312724 | SYSTEM AND METHOD FOR ROTATING CLIENT SECURITY KEYS - Systems, methods, and non-transitory computer-readable storage media for rotating security keys for an online synchronized content management system client. A client having a first security key as an active security key may send a request to a server for a new security key as a replacement for the first security key. The server may receive the request and generate a candidate security key. The server can issue the candidate security key to the client device. After receiving the candidate security key, the client may send a key receipt confirmation message to the server. In response to the confirmation message, the server may mark the candidate key as the new security key for the client and discard the client's old security key. The server may send an acknowledgment message to the client device. In response, the client may also mark the candidate key as its new active key. | 2019-10-10 |
20190312725 | SYSTEM AND METHOD FOR GENERATING AND DEPOSITING KEYS FOR MULTI-POINT AUTHENTICATION - The present invention is an platform and/or agnostic authentication method and system operable to authenticate users, data, documents, device and transactions. Embodiments of the present invention may be operable with any client system. The authentication method and system are operable to disburse unique portions of anonymous login related information amongst multiple devices. These devices and the disburse unique portions of anonymous login information are utilized by the solution to authenticate users, data, documents, device and transactions. Login-related information is not stored in any portion of the solution, users and devices are anonymously authenticated. The solution also permits a user to access secured portions of the client system through a semi-autonomous process and without having to reveal the user's key. | 2019-10-10 |
20190312726 | COMBINED AUTHORIZATION PROCESS - Some embodiments provide a method for a first device to join a group of related devices. The method receives input of a password for an account with a centralized entity and a code generated by a second device in the group. When the second device determines that the code input on the first device matches the generated code, the method receives an authentication code from the second device for authorizing the first device with the entity as a valid device for the account. The method uses the password and information regarding the first device to generate an application to the group. After sending the application to the second device, the method receives information from the second device that enables the first device to add itself to the group. The second device verifies the generated application, and the method uses the information received from the second device to join the group. | 2019-10-10 |
20190312727 | COMPUTATION USING LATTICE-BASED CRYPTOGRAPHY - The invention relates to a method for performing a multi-party electronic computation using a plurality of evaluating computer systems. The cryptographic security of the multi-party computation is implemented using lattice-based cryptography. Each evaluating computer system receives from each user of a plurality of users an individual input share of an input chosen by the respective user. Furthermore, each evaluating computer system receives from the user a commitment to the received individual input share and an opening information. Each evaluating computer system checks the commitments received to the individual input shares and generates a first lattice-based zero-knowledge proof that all the commitments received are valid commitments to input shares. Each evaluating computer system publishes the first lattice-based zero-knowledge proof. Thus, a verifier may be enabled to verify that all commitments are valid commitments to input shares. | 2019-10-10 |
20190312728 | METHOD AND PROCESSING DEVICE FOR PERFORMING A LATTICE-BASED CRYPTOGRAPHIC OPERATION - In various embodiments, a method for performing a lattice-based cryptographic operation is provided. The method includes obtaining a noise polynomial, a secret polynomial and a public polynomial, disguising at least one of the noise polynomial, the secret polynomial and the public polynomial by means of multiplying it with a random blinding polynomial, calculating the sum of the noise polynomial with the product of the public polynomial and the secret polynomial based on the disguised at least one polynomial, and determining a result of the lattice-based cryptographic operation based on the calculated sum of the noise polynomial with the product of the public polynomial and the secret polynomial. | 2019-10-10 |
20190312729 | E-MAIL MESSAGE AUTHENTICATION EXTENDING STANDARDS COMPLAINT TECHNIQUES - A system and method for e-mail authentication. The method includes aggregating a plurality of headers associated with an e-mail message and transmitting the aggregated plurality of headers to a validation service. A validation response is then received from the validation service. The e-mail is authenticated based on the validation response. | 2019-10-10 |
20190312730 | AUTHENTICATION TOKEN REQUEST WITH REFERRED APPLICATION INSTANCE PUBLIC KEY - A server application may request an authentication token from an authentication token provider on behalf of a client application instance. An application instance public key of a client application instance may be received at the server application, in which the application instance public key belongs to an application instance public-private key pair of the client application instance. An authentication token request is generated at the server application, in which the request includes the application instance public key of the client application instance and is signed with a server application private key of a server application public-private key pair that belongs to the server application. The authentication token request is sent by the server application to an authentication token provider to request an authentication token for use by the client application instance. | 2019-10-10 |
20190312731 | BIOMETRIC AUTHENTICATION WITH TEMPLATE PRIVACY AND NON-INTERACTIVE RE-ENROLLMENT - An example system can include a reference biometric template (RBT) reader, an authenticator, and an auxiliary system. In some examples, during an initial enrollment process, the RBT reader obtains a biometric from a user, transforms the biometric into an RBT, and provides different shares of the RBT to the authenticator and the auxiliary system. The authenticator and the auxiliary system create respective shares of helper data. In some examples, the authenticator and the auxiliary system use a non-commutative transformation function to embed a secret key in their respective shares of the helper data. The auxiliary system provides its share of the helper data to the authenticator. The authenticator combines its share of the helper data with the share provided by the auxiliary system to create a full version of the helper data. The helper data can be used in a subsequent authentication process between the RBT reader and the authenticator. | 2019-10-10 |
20190312732 | METHOD AND APPARATUS FOR CREATING A SHORT HASH HANDLE HIGHLY CORRELATED WITH A GLOBALLY-UNIQUE HASH SIGNATURE - Example embodiments of the present invention relate and a method and an apparatus for managing a short hash handle. The method including receiving an I/O including a first identifier for a data block and examining the first identifier in comparison with a second identifier. The data block identified in the I/O then may be managed according to the first identifier and the second identifier. | 2019-10-10 |
20190312733 | RECURSIVE TOKEN BINDING FOR CASCADED SERVICE CALLS - The present disclosure describes techniques that improve upon the use of authentication tokens as a means of verifying a user identity. Rather than facilitating the issuance of authentication tokens as bearer tokens, whereby any user may present an authentication token to a secure service provider for access to secure service, this disclosure describes techniques for generating recursive authentication tokens that are digitally signed by an Identity Service Provider (IDP) and the entity that purports to present the authentication token to the service provider. Additionally, a recursive token application is described that is configured to nest preceding authentication tokens that trace back to an initial secure service request. For example, a recursive authentication token received by a second service provider may include, nested therein, the first service provider recursive authentication token and a preceding client recursive authentication token that is associated with the initial secure service request. | 2019-10-10 |
20190312734 | SYSTEMS AND METHODS AUTHENTICATING A DIGITALLY SIGNED ASSERTION USING VERIFIED EVALUATORS - A system for authenticating a requesting device using verified evaluators includes an authenticating device. The authenticating device is designed and configured to receive at least a first digitally signed assertion from a requesting device, the at least a first digitally signed assertion linked to at least a verification datum, evaluate at least a second digitally signed assertion, signed by at least a cryptographic evaluator, conferring a credential to the requesting device, validate the credential, as a function of the at least a second digitally signed assertion, and authenticate the requesting device based on the credential. | 2019-10-10 |
20190312735 | METHOD AND APPARATUS FOR PUBLISHING WORK IN NETWORK - The present application provides a method for publishing work in a network, including: obtaining, by an end-user device associated with a current user, a prior work file that is not published by the current user in a network, where the prior work file includes a digital signature of a prior author and a prior work; generating, by the end-user device and based on an operation of the current user, a new work file that includes the prior work, the digital signature of the prior author, and content added based on the operation of the current user; and publishing, by the end-user device, the new work file in the network. This solution ensures the prior work cannot be used out of context, and modifications to the prior work are easy to identify, thereby improving integrity and authenticity of a work propagated on the internet. | 2019-10-10 |
20190312736 | SECURING GEO-PHYSICAL PRESENCE - Embodiments generally relate to securing a geophysical presence of a user. In some embodiments, a method includes receiving information associated with the user in a physical environment. The method further includes generating a unique pattern in response to receiving the information associated with the user. The method further includes sending encoded information containing the unique pattern to a landmark device in the physical environment, where the encoded information causes the landmark device to present the unique pattern. The method further includes receiving captured data from the physical environment. The method further includes verifying an identity and a physical presence of the user in the physical environment based on the captured data, where the captured data includes the landmark device. | 2019-10-10 |
20190312737 | TIME-BOUND SECURE ACCESS - Described herein is a system and universal access control device that may enable a user device to gain access to a secure area or resource during a particular time duration. In some embodiments, a user device may relay a received access token to the universal access device via a wireless transmission at a particular time. The universal access device may verify the authenticity of the access token by relaying the access token information to the remote server, which may authenticate the user device and verify that the user device is permitted access at the particular time. Upon authentication and verification, the user may gain entry to the secure area. | 2019-10-10 |
20190312738 | METHOD AND SYSTEM FOR REDUCED V2X RECEIVER PROCESSING LOAD USING NETWORK BASED APPLICATION LAYER MESSAGE PROCESSING - A method at a network element for processing a first message destined for an intelligent transportation system station, the method including receiving from a sending entity, or generating, the first message at the network element; based on a source or contents of the first message, performing one of: discarding the first message; or modifying the first message to provide an indication to the intelligent transportation system station of checks the intelligent transportation system does not need to perform, thereby creating a second message; and forwarding the second message to the intelligent transportation system station. | 2019-10-10 |
20190312739 | PUF-FILM AND METHOD FOR PRODUCING THE SAME - A method for producing a PUF-film includes printing a layer of dielectric material on a film substrate, such that a variable thickness of the layer is obtained by the printing. The method includes arranging a structured electrode layer on the dielectric material such that the structured electrode layer is influenced with respect to an electric measurement value due to the variable thickness. | 2019-10-10 |
20190312740 | MULTI-PUF AUTHENTICATION FROM SENSORS AND THEIR CALIBRATION - Several methods may be used to exploit the natural physical variations of sensors, to generate cryptographic physically unclonable functions (PUF) that may strengthen the cybersecurity of microelectronic systems. One method comprises extracting a stream of bits from the calibration table of each sensor to generate reference patterns, called PUF challenges, which can be stored in secure servers. The authentication of the sensor is positive when the data streams that are generated on demand, called PUF responses, match the challenges. To prevent a malicious party from generating responses, instructions may be added as part of the PUF challenges to define which parts of the calibration tables are to be used for response generation. Another method is based on differential sensors, one of them having the calibration module disconnected. The response to a physical or chemical signal of such a sensor may then be used to authenticate a specific pair of sensors. | 2019-10-10 |
20190312741 | BATTERY POWERED POE AUDIO AMPLIFIER AND DEVICE - Disclosed is a PoE apparatus deployed on the PD-side of a PoE configuration conforming to a PoE standard prescribing maximum power and current levels. The PoE apparatus comprises a current control element configured to draw from the PSE-side of the PoE configuration input current with input power and produce output current with output power, with the input current and power both respectively conforming to the maximum current and power levels of the PoE standard. The disclosed PoE apparatus further comprises a set of rechargeable batteries configured to be fully recharged by the aforementioned output current with the aforementioned output power at their respective levels and faithfully power the networked PoE device as a primary power source capable of producing instantaneous power large enough to meet the peak power requirement of the networked PoE device that is greater than the maximum power level of the PoE standard. | 2019-10-10 |
20190312742 | ENHANCED COLLABORATION SERVICES - Systems, methods, and software are disclosed herein in which a collaboration service registers users as participants in a collaboration session. As session content is received from at least one instance of various instances of a collaboration application engaged by the users, the collaboration service shares the session content with at least one other instance of the collaboration application. In addition, the collaboration service shares session information descriptive of at least a portion of the session content with at least one social network application associated with at least one user registered as one of the participants. | 2019-10-10 |
20190312743 | SCALABLE COMPUTING SYSTEMS FOR GENERATING NOTIFICATIONS, AND METHODS OF OPERATING THEREOF - A scalable computing system for generating notifications for each account of a plurality of accounts, and method of operating thereof, are provided. The system involves: a database for storing: an action definition defining operations executable to determine at least one parameter of one or more actions, and a processor operable to: instantiate an independent management process for the action definition, wherein each management process is configured to: monitor a state of each operation defined in the action definition; identify a worker process associated with the management process to perform each operation based on the state of the operation; and assign the identified worker process to perform the respective operation; and upon detecting a predefined condition in each independent management process, transmit, via a network to a remote node, the one or more notifications for the respective independent management process. | 2019-10-10 |
20190312744 | MOCA CONNECTIVITY SPLITTER AND HUB - The present invention is directed to a splitter or hub that provides plural ports for communicating MoCA signals between devices. More particularly, the present invention relates to a passive splitter to communicate MoCA signals between a gateway/amplifier port and customer devices, or a passive hub to communicate MoCA signals between customer devices. The splitter or hub includes a resistive splitter network and may include a MoCA passing filter and a test port. | 2019-10-10 |
20190312745 | SYSTEM AND METHOD FOR PROVIDING NETWORK SUPPORT SERVICES AND PREMISES GATEWAY SUPPORT INFRASTRUCTURE - A service management system communicates via wide area network with gateway devices located at respective user premises. The service management system remotely manages delivery of application services, which can be voice controlled, by a gateway, e.g. by selectively activating/deactivating service logic modules in the gateway. The service management system also may selectively provide secure communications and exchange of information among gateway devices and among associated endpoint devices. An exemplary service management system includes a router connected to the network and one or more computer platforms, for implementing management functions. Examples of the functions include a connection manager for controlling system communications with the gateway devices, an authentication manager for authenticating each gateway device and controlling the connection manager and a subscription manager for managing applications services and/or features offered by the gateway devices. A service manager, controlled by the subscription manager, distributes service specific configuration data to authenticated gateway devices. | 2019-10-10 |
20190312746 | DEVICE CONTROL APPLICATION WITH CHANGEABLE WORKFLOW - In embodiments, a device control application reads a configuration file responsive to a first execution of the device control application on a mobile device. The mobile device parses the first configuration file to identify one or more supported devices, managed properties of each of the one or more supported devices, actions that indicate information about the managed properties, and controls associated with at least one of the one or more supported devices or the one or more managed properties, wherein a control causes a specified user input to generate a command to cause a managed property to have a specified value. The mobile device crates a first version of the device control application based on the configuration file during runtime of the device control application based on a result of the parsing. The mobile device then presents the first version of the device control application. | 2019-10-10 |
20190312747 | METHOD, APPARATUS AND SYSTEM FOR CONTROLLING HOME DEVICE - Embodiments of the present disclosure disclose a method, apparatus and system for controlling a home device. A specific implementation of the method includes: determining whether a current interaction between a user and a virtual control in a pre-built virtual scene meets a preset triggering condition, the virtual control corresponding to the home device being formed in the virtual scene; generating a control signal corresponding to the current interaction, in response to determining that the current interaction meets the preset triggering condition; transmitting the control signal to a control terminal, so that the control terminal controls the home device indicated by the control signal; receiving feedback information corresponding to the control signal transmitted by the control terminal; and rendering and displaying the virtual scene based on the feedback information. | 2019-10-10 |
20190312748 | TAILORING THE AVAILABILITY OF NETWORK RESOURCES TO ON-DEMAND, USER PROXIMITY, AND SCHEDULE TIME - A device comprises of an AC input port for receiving AC power. An AC output port is adapted to receive an AC power cord of the home network device. A switch is provided for controlling the AC power to the home network device and switching the home network device between an on state and an off state. A processor is in communication with the switch for controlling the on state and the off state of the home network device in response to one of three predetermined conditions. | 2019-10-10 |
20190312749 | DEVICE AND CLOUD SERVER PROVIDING SAFETY SERVICE BY IDENTIFYING ELECTRIC HEATING DEVICE - A wireless electric power sensing device can include a communication unit configured to communicate with an external device; a measuring unit configured to measure power consumption information corresponding to a plurality of devices located within a target space; and a central control unit configured to detect a point in time when one or more square waves are included in the power consumption information, determine reactive power based the power consumption information, identify an electric heating device from among the plurality of devices within the target space based on a rate of change in the reactive power, determine when an operation time of the electric heating device exceeds a predetermined amount of time based on a change in the power consumption information, and in response to the operation time of the of the electric heating device exceeding the predetermined amount of time, transmit, via the communication unit, identification information for the electric heating device and information about the operation time of the electric heating device to the external device. | 2019-10-10 |
20190312750 | AUTOMATION SYSTEM, SERIES TERMINAL FOR AUTOMATION SYSTEMS AND ASSOCIATED METHOD - A series terminal for an automation system, having an insulating housing, which has an electrical contact on at least one side of the housing with which the series terminal can be connected with a data bus of an automation system. The series terminal comprises an integrated electronic processing unit which is connected to the at least one contact device and is designed for transmitting and/or receiving data via the data bus. In this case, the integrated electronic processing unit is set up to query a configuration of the automation system and, based on the configuration, to generate an individual cryptographic key for the automation system in conjunction with a secret cryptographic key stored in the series terminal. | 2019-10-10 |
20190312751 | WIRE FAULT AND ELECTRICAL IMBALANCE DETECTION FOR POWER OVER COMMUNICATIONS CABLING - In one embodiment, a method includes transmitting Power over Ethernet (PoE) in a PoE distribution system at a power greater than 100 watts, the distribution system comprising at least two pairs of wires, monitoring a thermal condition in the distribution system, periodically checking each of the wires for a fault, and checking for an electrical imbalance at the wires. An apparatus is also disclosed herein. | 2019-10-10 |
20190312752 | FLEXIBLE LOW-POWER WIDE-AREA NETWORK (LPWAN) APPARATUS AND ARCHITECTURE - Embodiments of the disclosure provide systems and methods for a multi-protocol LPWAN gateway. In the first mode, a transceiver of the gateway device can communicate with wireless devices in a first LPWAN protocol and, in the second mode, the wireless transceiver can communicate with the one or more wireless devices in a second LPWAN protocol. The second LPWAN protocol can be different from the first LPWAN protocol. In response to selecting the first mode, the gateway device can cause the wireless transceiver to conduct communications with the wireless devices using the first LPWAN protocol. In response to selecting the second mode, the gateway device can cause the wireless transceiver to conduct communications with the wireless devices using the second LPWAN protocol. | 2019-10-10 |
20190312753 | METHODS, APPARATUSES, AND SYSTEMS FOR PERFORMING ANALOG CSI FEEDBACK - The present disclosure discloses a method for performing analog CSI feedback in a user equipment, comprising: a. obtaining an analog CSI matrix corresponding to the user equipment, the analog CSI matrix satisfies a condition below: X X | 2019-10-10 |
20190312754 | WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS APPARATUS, WIRELESS COMMUNICATIONS METHOD AND COMPUTER PROGRAM FOR WIRELESS COMMUNICATION - In performing SVD-MIMO transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights. On the other hand, the receiver determines a receive antenna weighting coefficient matrix based on the received training signals. | 2019-10-10 |
20190312755 | METHOD FOR TRANSMITTING DATA AND ELECTRONIC DEVICE THEREFOR - Various embodiments of the present invention relate to an apparatus and a method for transmitting data between internal modules in an electronic device. Here, a transmission apparatus of a digital interface may comprise: multiple transmission lines connected to a reception apparatus; and multiple transmission circuits connected in parallel to each other and provided for each of the transmission lines, wherein the transmission apparatus may be configured to transmit data having different voltages to the reception apparatus, using at least one transmission circuit among the multiple transmission circuits for each of the transmission lines on the basis of a variation of the voltage of data to be transmitted through each of the transmission lines. Other embodiments are also possible. | 2019-10-10 |
20190312756 | LOW POWER HIGH SPEED RECEIVER WITH REDUCED DECISION FEEDBACK EQUALIZER SAMPLERS - Described is an apparatus which comprises: a Variable Gain Amplifier (VGA); a set of samplers to sample data output from the VGA according to a clock signal; and a Clock Data Recovery (CDR) circuit to adjust phase of the clock signal such that magnitude of a first post-cursor signal associated with the sampled data is substantially half of a magnitude of a primary cursor tap associated with the sampled data. | 2019-10-10 |
20190312757 | DECISION FEEDBACK EQUALIZER AND INTERCONNECT CIRCUIT - A decision feedback equalizer includes: a comparison circuit; a latch circuit configured to latch a result of comparison by the comparison circuit; a setting circuit configured to set a decision threshold of the comparison circuit in accordance with a control signal; and a switch circuit configured to be controlled to be turned on and off by an output signal from the latch circuit, wherein the setting circuit is configured to be connected in parallel with an input stage of the comparison circuit through the switch circuit and operate in synchronization with a clock signal for driving the comparison circuit. | 2019-10-10 |
20190312758 | FACILITATING SCRAMBLING OF WAKE-UP SIGNAL SEQUENCES - Aspects directed towards wake-up signal (WUS) scrambling sequence design are disclosed. In one example, a time-based scrambling sequence that facilitates a phase shift in time may be generated according to a time parameter associated with a WUS or a paging occasion (PO). A scrambled WUS may be generated by multiplying a WUS base sequence by the time-based scrambling sequence, and subsequently transmitted to at least one scheduled entity. In another example, a scrambled WUS may be received from a scheduling entity. A time-based scrambling sequence associated with the WUS may be identified in which the time-based scrambling sequence facilitates a phase shift in time and corresponds to a time parameter associated with a WUS or a PO. The WUS may be descrambled according to the time-based scrambling sequence. Other aspects, embodiments, and features are also included. | 2019-10-10 |
20190312759 | SIGNAL PATH LINEARIZER - A signal path linearizer for PAM4 SerDes communications compensates (including pre-compensates) for signal path nonlinearities. The linearizer can be configured with first and second differential gm stages, the first differential gm stage to provide a DC gain, and the second differential gm stage to introduce a defined nonlinear adjustment in DC gain by adding to or subtracting from the DC gain of the first differential gm stage. The differential gm stages can be configured to generate a compensated PAM4 signal with the combined DC gain providing a nonlinear wideband gain adjustment to compensate for nonlinearities in the PAM4 signal path. Compensation range can be increased by selective degeneration, and the compensation region can be shifted by selectively introducing input offset(s). | 2019-10-10 |
20190312760 | VECTOR SIGNALING CODE WITH IMPROVED NOISE MARGIN - Methods are described allowing a vector signaling code to encode multi-level data without the significant alphabet size increase known to cause symbol dynamic range compression and thus increased noise susceptibility. By intentionally restricting the number of codewords used, good pin efficiency may be maintained along with improved system signal-to-noise ratio. | 2019-10-10 |
20190312761 | MULTI-CHANNEL TRANSMISSION WITH FLEXIBLE GAINS - A device includes a digital frontend. The digital frontend is configured to digitally modulate symbols for digital signals of a plurality of channels according to a transmission protocol. Each channel is associated with at least one respective carrier frequency within a transmission bandwidth. The digital frontend is further configured to combine the digital signals to obtain a digital output signal. The device further includes an analog frontend having a digital-to-analog converter configured to convert the digital output signal into an analog output signal. The analog frontend also includes a programmable gain amplifier configured to apply an analog gain to the analog output signal. The device further includes a control logic configured to determine the analog gain based on calibration data indicative of the frequency response of the analog frontend across a transmission bandwidth. | 2019-10-10 |
20190312762 | METHOD AND DEVICE FOR SELECTING AN OPERATING MODE OF A CABLE MODEM - A method for selecting an operating mode of a cable modem between first and second operating modes, the first operating mode using a first standard and first and second frequency bands separated by a third frequency band, the second operating mode using a fifth frequency band according to a second standard. The cable modem goes into the second operating mode and analyses signals included in at least the part of the fifth frequency band that includes the third frequency band which determines whether signals analyzed are not signals in accordance with the first or second standard and goes into a data transmission and reception mode according to the second standard if signals analyzed are not signals in accordance with the first and second standards and are not included in the third frequency band. | 2019-10-10 |
20190312763 | FLEXIBLE WAVEFORM SYNTHESIS IN NR-SS - Flexible waveform synthesis is disclosed for new radio (NR) shared spectrum (NR-SS) networks. In order to accommodate variable transmission resources, a transmitter may construct an M×N grid to model a resource element (RE) map of transmission resources available to the transmitter within a shared communication channel, where M corresponds to a number of symbols for a scheduled physical signal and N corresponds to a number of tones of a transmission bandwidth for the transmitter. The transmitter may then map the M×N grid to the RE map and puncture one or more REs associated with the subbands unavailable for transmission in the transmission resources. The transmitter may then transmit a transmission according to the unpunctured REs of the RE map. | 2019-10-10 |
20190312764 | MULTICARRIER SYSTEM AND DATA MODULATION AND DEMODULATION METHOD AND DEVICE FOR MULTICARRIER SYSTEM - A multicarrier system and data modulation and demodulation methods and devices for the multicarrier system are provided. The data modulation method includes: performing cyclic shifting on data sequences of L continuous symbols respectively, L≥2; and modulating the cyclically shifted data sequences by use of a waveform function, an independent variable range of the waveform function being greater than or equal to a symbol interval of the L modulated symbols. The technical solution solves the technical problems in which the related art is not compatible with a LTE system or effectively suppressing out-of-band leakage or flexibly adjusting a symbol interval to adapt to different channel environments and exhibits poor demodulation performance, thus achieving effective suppression of the out-of-band leakage, having higher compatibility with the LTE system and improving demodulation performance and flexibility of adjusting a symbol interval by simple cyclic shifting. | 2019-10-10 |
20190312765 | REFERENCE SIGNAL CONSTRUCTION - There is disclosed a radio node for a wireless communication network, the radio node being adapted for processing reference signaling based on a coding, the coding being based on a Golay sequence. The disclosure also pertains to related devices and methods. | 2019-10-10 |
20190312766 | SIGNAL GENERATION FOR OFDM-BASED SYSTEMS - Methods, systems, and devices for wireless communications are described. A transmitting device may identify a first signal in a time domain, the first signal including multiple sequences spanning a bandwidth for multiple symbol periods. The transmitting device may segment the first signal into signal segments, where each signal segment corresponds to a respective symbol period of the multiple symbol periods. The transmitting device may apply a first transform operation to each signal segment of the signal segments and apply a bandwidth restriction in the frequency domain to the transformed signal segments. Then, the transmitting device may apply a second transform operation to each transformed signal segment to return the bandwidth-restricted segments to the time domain. The transmitting device may generate a second signal in the time domain based on the bandwidth-restricted segments. The transmitting device may then transmit the second signal to a receiving device. | 2019-10-10 |
20190312767 | METHOD AND SYSTEM FOR COMPRESSED SENSING JOINT CHANNEL ESTIMATION IN A CELLULAR COMMUNICATIONS NETWORK - Methods and systems for performing compressed time domain joint channel estimation in a multi-user MIMO wireless network include receiving data corresponding to transmission of training signals from a plurality of users to a base station over a MIMO wireless network, determining a limited data set by limiting the received data in a time domain according to an estimated maximum delay spread, forming a well-conditioned low rank training matrix by identifying a channel model, estimating an active tap from the formed well-conditioned low rank training matrix, and subtracting a contribution of the selected active tap from the limited data set. | 2019-10-10 |
20190312768 | METHODS AND SYSTEMS FOR INCREASING BANDWIDTH EFFICIENCY IN SATELLITE COMMUNICATIONS - Methods and systems are provided for increasing bandwidth efficiency in satellite communications. In some embodiments, a satellite communications method is provided that comprises receiving, at a satellite and from a plurality of user ground terminals, a plurality of source signals, wherein each of the source signals are modulated according to at least one source modulation method, and further receiving, at a satellite and from a plurality of user ground terminals, a plurality of information signals corresponding to the plurality of source signals. The method further includes combining, at the satellite, the plurality of source signals into a combined source signal with an overlapping bandwidth, wherein each of the source signals are further modulated according to at least one predetermined modulation method before they are combined, and transmitting, by a downlink transmission from the satellite to a gateway ground station, the combined source signal. | 2019-10-10 |
20190312769 | TRANSMISSION METHOD, TRANSMISSION DEVICE, RECEPTION METHOD, AND RECEPTION DEVICE - Provided is a transmission method that improves data reception quality in radio transmission using a single-carrier scheme and/or a multi-carrier scheme. The transmission method includes: generating a plurality of first modulated signals s | 2019-10-10 |
20190312770 | BORDER ROUTERS IN MULTICAST NETWORKS AND METHODS OF OPERATING THE SAME - A border router includes at least one processor and at least one memory including computer program code. The at least one memory and the computer program code is configured to, with the at least one processor, cause the border router to: identify, in response to receiving a label mapping message from a network node, a backup border router as a hop in a backup path between a leaf node and a root node in a multicast network including an autonomous system, the label mapping message including a type-length-value; determine whether the backup border router is an originating border router having generated the label mapping message based on the type-length-value; and suppress mapping of the hop in the backup path in response to determining that the backup border router is the originating border router. | 2019-10-10 |
20190312771 | System for Networking and Analyzing Geospatial Data, Human Infrastructure, and Natural Elements - A method and system for providing a recovery sequence for a network from a state of disruption to a state of partial or complete functionality are provided. The method and system can measure the response of a network to one or multiple hazards and can generate and compare the effectiveness of multiple recovery strategies in a quantitative and generalizable manner, providing a user with practical tools to implement an efficient restoration of the network. | 2019-10-10 |