07th week of 2019 patent applcation highlights part 68 |
Patent application number | Title | Published |
20190052413 | HARQ RETRANSMISSION AND CONTROL CHANNEL MONITORING - A wireless device receives message(s) comprising: a first value for a downlink hybrid automatic repeat request (HARQ) round-trip-time (RTT) timer; and a second value for a downlink discontinuous reception (DRX) retransmission timer. A downlink control information indicating downlink transmission of a transport block is received. The downlink HARQ RTT timer is started with the first value in response to receiving the downlink control information. The first value indicates a first number of symbols. The downlink DRX retransmission timer is started with the second value in response to the downlink HARQ RTT timer expiring and the transport block not being successfully decoded. The second value indicates a second number of slot lengths. A downlink control channel is monitored while the downlink DRX retransmission timer is running. | 2019-02-14 |
20190052414 | MULTIPLEXING MECHANISM FOR UPLINK CONTROL INFORMATION - A wireless device receives message(s) comprising configuration parameters of one or more logical channels. A multiplexing process is selected for transmitting uplink control information via an uplink channel employed for transmission of a transport block. The transport block comprises data of the one or more logical channels. The selecting is based on the configuration parameters of the one or more logical channels. The uplink control information is multiplexed in the uplink channel employing the multiplexing process. The transport block and the uplink control information are transmitted via the uplink channel. | 2019-02-14 |
20190052415 | INDICATING RETRANSMITTED CODEBLOCK GROUPS IN 5G WIRELESS COMMUNICATION SYSTEMS - Various embodiments disclosed herein provide for a retransmission system that uses a hybrid system to signal to a receiver the retransmission of codeblock groups to reduce network overhead and bandwidth. The amount of bandwidth needed to signal to a receiver which codeblock groups are being retransmitted is directly proportional to the number of codeblock groups. Therefore, during retransmission, if the number of a codeblock groups is below a predetermined threshold, then explicit signaling can be performed, where the transmitter sends a bit map identifying the codeblock groups being retransmitted. If the number of codeblock groups is above the threshold however, can use a codeblock group confirmation bit in the control information sent to the receiver, where the values of the bit can inform the receiver how the retransmission will be performed. | 2019-02-14 |
20190052416 | HARQ RETRANSMISSION AND CONTROL CHANNEL MONITORING - A wireless device receives message(s) comprising: a first value for an uplink hybrid automatic repeat request (HARQ) round-trip-time (RTT) timer; and a second value for an uplink discontinuous reception (DRX) retransmission timer. A transport block is transmitted via an uplink data channel. The uplink HARQ RTT timer is started with the first value in response to transmitting the transport block. The first value indicates a first number of symbols. The uplink DRX retransmission timer is started with the second value in response to the uplink HARQ RTT timer expiring. The second value indicates of a second number of slot lengths. A downlink control channel is monitored while the uplink DRX retransmission timer is running. | 2019-02-14 |
20190052417 | UPLINK CONTROL INFORMATION (UCI) IN SHORT DURATION - Certain aspects of the present disclosure relate to methods and apparatus relating to transmitting uplink control information (UCI) in a short duration. In certain aspects a method includes identifying resources, within an uplink short burst (ULSB) region within a transmission time interval (TTI), for transmitting at least a portion of uplink control information (UCI), the UCI including at least one of one scheduling request (SR) bit and one or more acknowledgment (ACK) bits for acknowledging or negatively acknowledging downlink transmissions. In certain aspects, the method also includes transmitting the UCI using the identified resources. | 2019-02-14 |
20190052418 | TRANSMISSION OF NEW DATA IN A HYBRID AUTOMATIC REPEAT REQUEST (HARQ) RETRANSMISSION WITH POLAR CODED TRANSMISSIONS - For communication utilizing polar codes, a hybrid automatic repeat request algorithm utilizing incremental redundancy (HARQ-IR) may provide increased throughput by including new data, not based on an original transmission, in a HARQ retransmission. The number of retransmitted bits and new information bits in each HARQ retransmission may be controlled in order to manage a tradeoff between increased throughput and a decreased block error rate (BLER). | 2019-02-14 |
20190052419 | CARRIER AGGREGATION (CA) OF MIXED NUMEROLOGIES - Certain aspects of the present disclosure relate to methods and apparatus for handling carrier aggregation (CA) involving component carriers (CCs) having different numerologies. | 2019-02-14 |
20190052420 | METHODS AND APPARATUS RELATED TO DEMODULATION REFERENCE SIGNAL DESIGN AND RELATED SIGNALING - In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus maybe a base station or a UE. In an aspect, the apparatus may determine locations for a number of DM-RS symbols to be transmitted in a scheduling unit of a channel configured in a slot/mini-slot, where a last DM-RS symbol maybe positioned one symbol prior to a last symbol carrying scheduled data. In another aspect, the apparatus may determine the locations for the DM-RS symbols based on a selection between a first set of predetermined DM-RS positions and a second set of predetermined DM-RS positions. In another aspect, the apparatus may determine the locations for the DM-RS symbols based on a set number of symbols, wherein the determined locations are spaced apart according to the set number of symbols. The apparatus may transmit the DM-RS symbols based on the determined locations. | 2019-02-14 |
20190052421 | MULTIPLE SLOT LONG PHYSICAL UPLINK CONTROL CHANNEL (PUCCH) DESIGN FOR 5th GENERATION (5G) NEW RADIO (NR) - A user equipment (UE) is described. The UE includes a processor and memory in electronic communication with the processor. Instructions stored in the memory are executable to determine an uplink control channel (PUCCH) spans over multiple slots based on a signaling from a base station (gNB). The instructions are also executable to determine a demodulation reference signals (DMRS) structure in the configured multi-slot PUCCH. The instructions are further executable to determine a frequency hopping method of the configured multi-slot PUCCH. The instructions are additionally executable to determine uplink control information (UCI) encoding and loading methods on the configured multi-slot PUCCH. The instructions are also executable to determine a resource of a control channel for UCI feedback. The instructions are further executable to transmit UCI on a selected channel. | 2019-02-14 |
20190052422 | SLOT STRUCTURE OF LONG PHYSICAL UPLINK CONTROL CHANNEL (PUCCH) DESIGN FOR 5th GENERATION (5G) NEW RADIO (NR) - A user equipment (UE) is described. The UE includes a processor and memory in electronic communication with the processor. Instructions stored in the memory are executable to determine the uplink control channel (PUCCH) format and configuration based on a signaling from a base station (gNB). The instructions are also executable to determine the demodulation reference signal (DMRS) locations in the configured PUCCH. The instructions are further executable to determine the uplink control information (UCI) multiplexing methods on the configured PUCCH. The instructions are additionally executable to determine the resource of the control channel for UCI feedback. The instructions are also executable to transmit UCI feedback on the selected control channel. | 2019-02-14 |
20190052423 | TRANSMISSION, RECEPTION, AND CONFIGURATION OF A CSIRS WITH A CONFIGURABLE BANDWIDTH - Wireless communication that includes transmission, reception, and configuration of a CSIRS with a configurable bandwidth is discussed. A base station/gNB may determine a number of antenna ports to be used for wireless communication. The base station/gNB may allocate a first plurality of frequency resources for the transmission of the CSIRS based on the determined number of antenna ports, and may transmit the CSIRS over the first plurality of frequency resources. A mobile device may receive the CSIRS over the first plurality of frequency resources and estimate at least one of channel quality and interference associated with the first plurality of frequency resources based on the received CSIRS. | 2019-02-14 |
20190052424 | CONFIGURATION OF SOUNDING REFERENCE SIGNAL RESOURCES IN AN UPLINK TRANSMISSION TIME INTERVAL - Methods, systems, and devices for wireless communication are described. A method may include receiving control signaling indicating a location for a sounding reference signal (SRS) resource in a transmission time interval (TTI), and transmitting an SRS in the indicated location in the TTI based on the received control signaling. Another method may include transmitting control signaling indicating a location for a SRS resource in a TTI, and receiving an SRS at the indicated location in the TTI based on the transmitted control signaling. | 2019-02-14 |
20190052425 | METHOD FOR MULTIPLEXING DMRS AND DATA IN NEW RADIO AND APPARATUSES THEREOF - The provided are a method of transmitting and receiving data using empty resource elements (REs) located in a demodulation reference signal (DMRS) symbol in a next-generation/5G radio access network. The method of a base station for transmitting DMRS port allocation information to a terminal may include configuring one or more available RE patterns; transmitting, to the terminal, information indicating an available RE pattern to be used by the terminal among the available RE patterns; and transmitting the DMRS port allocation information to the terminal. The available RE pattern is composed of REs to which no DMRSs are allocated among REs located on a symbol to which DMRSs are to be allocated, and through the REs in the available RE pattern, the base station receives uplink data from the terminal or transmits downlink data to the terminal. | 2019-02-14 |
20190052426 | TECHNIQUES AND APPARATUSES FOR ULTRA-RELIABLE LOW-LATENCY COMMUNICATIONS TRANSMISSION USING GRANT-FREE RESOURCES - Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may transmit, and a base station may receive, on a grant-free resource, in an ultra-reliable low-latency communications (URLLC) network, a layer | 2019-02-14 |
20190052427 | ADAPATIVE REFERENCE SIGNAL PATTERNS - A mobile terminal in a wireless communications system estimates channel characteristics from transmissions of a base station comprising reference symbols arranged in a first density and distribution. In the event of an impairment in accuracy of channel estimation, the mobile terminal first applies a checking function to determine whether a base station identity conflict is present. If such a conflict is detected, it transmits a report to the base station to initiate a network channel reallocation process to remove the conflict. If no conflict is detected, the base station is instructed to initiate a function to change the density and distribution of the reference symbols. This allows a dynamic system to distinguish between different causes of poor channel quality, allowing adaptation of the transmissions of the base stations in a manner appropriate to the cause identified. | 2019-02-14 |
20190052428 | MULTI-USER NULL DATA PACKET (NDP) RANGING - A first communication device prompts a plurality of second communication devices to transmit, during a contiguous time period reserved for a range measurement exchange, respective first null data packets (NDPs) at respective times. The first communication device receives first NDPs from at least some of the second communication devices during the contiguous time period, and transmits one or more second NDPs to the plurality of second communication devices. The first communication device uses reception of the first NDPs and transmission of the one or more second NDPs to determine respective ranges between the first communication device and respective second communication devices. | 2019-02-14 |
20190052429 | SYSTEM AND METHOD OF UE-CENTRIC RADIO ACCESS PROCEDURE - A method and system for operating a user equipment (UE) wherein a first set of radio access procedures are supported when the UE is in a first operating state, and a second set of radio access procedures are supported when the UE is in a second operating state. | 2019-02-14 |
20190052430 | SYSTEM AND METHOD OF UE-CENTRIC RADIO ACCESS PROCEDURE - A method and system for operating a user equipment (UE) wherein a first set of radio access procedures are supported when the UE is in a first operating state, and a second set of radio access procedures are supported when the UE is in a second operating state. | 2019-02-14 |
20190052431 | SYSTEM AND METHOD OF UE-CENTRIC RADIO ACCESS PROCEDURE - A method and system for operating a user equipment (UE) wherein a first set of radio access procedures are supported when the UE is in a first operating state, and a second set of radio access procedures are supported when the UE is in a second operating state. | 2019-02-14 |
20190052432 | System and Method for Enabling Reliable and Low Latency Communication - A system and method for multiplexing traffic. A wireless device such as a user equipment (UE) may receive a first signal over first resources assigned to carry a first downlink transmission from a base station, and receive a first downlink control indication (DCI) message from the base station. The first DCI message may include a pre-emption region (PR) indication and a PR bitmap, and the PR indication may indicate a location of a time-frequency region. The PR bitmap may include bits associated with different portions of the time-frequency region, and each of the bits in the PR bitmap may indicate whether a preemptive downlink transmission is present in the corresponding portion of the time-frequency region. | 2019-02-14 |
20190052433 | METHOD AND APPARATUS FOR ALLOCATING PTRS IN WIRELESS COMMUNICATION SYSTEM - 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) is provided. The communication method includes applying 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 a method and an apparatus for allocating a phase tracking reference signal (PTRS) for estimating and compensating for phase distortion due to phase noise, Doppler effect, or synchronization error. | 2019-02-14 |
20190052434 | METHOD FOR ALLOCATING CONTROL RESOURCE SET, METHOD FOR ACQUIRING CONTROL RESOURCE SET, BASE STATION, USER EQUIPMENT AND READABLE MEDIUM - Method for allocating CORESET, method for acquiring CORESET, base station, UE and readable mediums are provided. The method for allocating CORESET includes: configuring time position information of a CORESET, the time position information including: the number of symbols occupied by the CORESET, or the number of symbols occupied by the CORESET and a start position of the CORESET, the symbols including symbols in a numerology used by the CORESET; configuring position information of the CORESET in SFN; transmitting the time position information and the position information to the UE, so that the UE selects the start position of the CORESET based on the time position information and the position information, and a preset table of relation between the number of symbols occupied by the CORESET and the start position of the CORESET. The base station doesn't need to directly indicate the CORESET, which reduces overhead of signaling indicating CORESET. | 2019-02-14 |
20190052435 | TELECOMMUNICATIONS APPARATUS AND METHODS - A method of operating a terminal device in a wireless telecommunications network comprising the terminal device and a plurality of base stations arranged into groups of one or more base stations supporting communications over different areas. The method including establishing a radio resource control (RRC) connection with an initially selected base station and entering an RRC connected mode of operation with respect to the initially selected base station and suspending the RRC connection with the initially selected base station and entering an RRC suspended mode of operation. The method includes subsequently transmitting a message to request a resumed RRC connection to a subsequently selected base station, wherein the subsequently selected base station is selected in accordance with a cell (re)selection procedure for the terminal device performed while in the RRC suspended mode of operation. | 2019-02-14 |
20190052436 | System and Method for Sidelink Feedback - In certain embodiments, a method includes, by a first mobile device, obtaining a data packet and determining, from a first set of resources, control resources for transmitting scheduling information associated with the data packet. The control resources include a physical sidelink control channel (PSCCH). The method includes determining, by the first mobile device from a second set of resources, acknowledgement (ACK)/negative acknowledgement (NACK) resources associated with the data packet and related to the control resources. The scheduling information includes transmission information for transmitting the data packet and an indication of the ACK/NACK resources. The method includes transmitting, by the first mobile device to a second mobile device, the scheduling information on the control resources and the data packet on a set of resources indicated by the transmission information and listening, by the first mobile device, for an ACK/NACK transmitted by the second mobile device on the ACK/NACK resources. | 2019-02-14 |
20190052437 | METHOD AND APPARATUS FOR SENDING UPLINK CONTROL SIGNAL - The present disclosure provides a method and an apparatus for transmitting an uplink control signal. The method includes: transmitting M predefined sequences on two transmission symbols within a transmission time interval, and determining an acknowledgement (ACK) message or a negative acknowledgement (NACK) message according to the M predefined sequences and mapping patterns of the M predefined sequences in a time domain and a frequency domain, where M is a positive integer. By means of the above technical solution, a problem that a transmission structure for transmitting the ACK message and the NACK message is imperfect when the transmission time interval is equal to the length of two symbols is solved, and the transmitting of the ACK message and the NACK message when the transmission time interval is equal to the length of two symbols is perfected. | 2019-02-14 |
20190052438 | Enhancement of Relay ARQ in MMW Network - There is disclosed a method for operating a network node ( | 2019-02-14 |
20190052439 | METHOD FOR RECEIVING MULTICAST SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - Disclosed in the present application is a method for receiving by a terminal a multicast signal in a wireless communication system. Specifically, the method comprises the steps of: attempting to receive, from a network, a control signal for scheduling a multicast signal; receiving the multicast signal from the network and performing decoding on the basis of the control signal; and transmitting a data negative acknowledgement signal to the network when the decoding of the multicast signal fails, wherein a control negative acknowledgement signal is transmitted to the network when the reception of the control signal has failed. | 2019-02-14 |
20190052440 | METHODS AND ARRANGEMENTS IN A TELECOMMUNICATION SYSTEM - The present invention relates to a method and arrangement for controlling re-transmission in a user equipment supporting uplink spatial multiplexing. The method comprises the steps of
| 2019-02-14 |
20190052441 | FACILITATING RESTRICTION OF CHANNEL STATE INFORMATION TO IMPROVE COMMUNICATION COVERAGE IN 5G OR OTHER NEXT GENERATION NETWORKS - Facilitating restriction of channel state information is provided herein. A system can comprise a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. The operations can comprise setting a bit within a channel quality indicator bitmap as a function of a performance criterion of a mobile device. The bit can be selected from a group of bits within the channel quality indicator bitmap. Further, the operations can comprise sending the channel quality indicator bitmap to the mobile device. The bit can restrict a selection by the mobile device to defined channel quality indicator indices and can reduce a number of bits that represent the defined channel quality indicator indices. | 2019-02-14 |
20190052442 | DMRS FOR 5G THINGS COMMUNICATION SYSTEM - Systems and methods of providing DMRS for a UE are generally described. The DMRS locations in a resource unit of a Physical Resource Allocation of a shared channel are randomly determined, and the DMRS sequences randomly generated before transmission from a master UE to a wearable UE. The DMRS locations are disposed on different subcarriers and symbols in the resource unit and are repeated every k subframes or m resource units within the same subframe. In situations in which the collision/contention probability is relatively small, DMRS in control channels may be used rather than in the shared data channel. | 2019-02-14 |
20190052443 | SYSTEM AND METHOD FOR COMMUNICATING TIME AND FREQUENCY TRACKING SIGNALS USING CONFIGURATIONS FOR ONE PORT CSI-RSS - A network controller may configure one or more channel state information-reference signal (CSI-RS) configurations for transmitting RSs to user equipments (UEs) for tracking. A CSI-RS configuration may specify a set of CSI-RS resources for transmitting RSs in two consecutive slots. The set of CSI-RS resources may include a plurality of one-port CSI-RS resources configured according to the CSI-RS configuration. The CSI-RS configuration may specify a quasi co-location (QCL) configuration including a set of QCL parameters, where a demodulation reference signal (DMRS) has a QCL relationship with the RS with respect to the set of QCL parameters. The network controller may signal the one or more CSI-RS configurations to UEs. | 2019-02-14 |
20190052444 | Wireless Device Sounding Procedure - A wireless device receives at least one message comprising configuration parameters of a plurality of cells grouped into a plurality of physical uplink control channel (PUCCH) groups. The wireless device transmits, in a subframe and in a first PUCCH group, at least one SRS employing a sounding procedure for the first PUCCH group. The sounding procedure may depend, at least in part, on transmissions of a physical uplink shared channel (PUSCH) or a PUCCH in the first PUCCH group and may be independent of transmissions of PUCCH and PUSCH in a second PUCCH group. The plurality of cells may be in the same timing advance group. | 2019-02-14 |
20190052445 | MULTIPLEXED MESSAGING IN WIRELESS NETWORK - This document discloses a solution for carrying out narrowband communications in a wireless network. According to an aspect, a method comprises in an apparatus: detecting at least one content notification message indicating contents of each of a plurality of messages frequency-multiplexed with a discovery message to parallel sub-channels of a channel in a bi-directional wireless network; selecting autonomously a sub-channel on the basis of the detected content notification message; and acquiring a message through the selected sub-channel. | 2019-02-14 |
20190052446 | PRIORITY-BASED CARRIER SELECTION IN DISTRIBUTED WIRELESS NETWORKS - Methods, systems, and devices for wireless communication are described that provide for priority-based carrier selection in a system using multiple component carriers (CCs). A mapping may be provided that maps different applications that may be present at a user equipment (UE) to one or more CCs. Each application may have an associated application priority, and each carrier associated with an application may also have an associated CC priority. A UE may select a subset of CCs for a transmission based on the mapping between an application providing a packet for the transmission and the priority associated with each CC. A UE, when receiving transmissions, may identify one or more applications running at the UE and use the mapping to determine a subset of CCs to monitor for transmissions. | 2019-02-14 |
20190052447 | DATA TRANSMISSION METHOD, DEVICE, AND SYSTEM - In a data transmission method, a terminal device obtains configuration information of a subframe n for transmitting at least one of a downlink data channel, an uplink data channel, a downlink control channel, an uplink control channel, a downlink reference signal, and an uplink reference signal. The terminal device performs data transmission between the terminal device and a network device on the subframe n according to the configuration information. | 2019-02-14 |
20190052448 | REPEATER AND METHODS FOR USE THEREWITH - Aspects of the subject disclosure may include, for example, a repeater device having a first coupler to extract downstream channel signals from first guided electromagnetic waves bound to a transmission medium of a guided wave communication system. An amplifier amplifies the downstream channel signals to generate amplified downstream channel signals. A channel selection filter selects one or more of the amplified downstream channel signals to wirelessly transmit to the at least one client device via an antenna. A second coupler guides the amplified downstream channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves. Other embodiments are disclosed. | 2019-02-14 |
20190052449 | TRANSMISSION/RECEPTION MODULE - Provided is a transmission/reception module that includes: a power amplifier that outputs a transmission signal to an input/output terminal; a low-noise amplifier that amplifies a reception signal input from the input/output terminal; a duplexer that isolates the transmission signal, which is output to the input/output terminal from the power amplifier via a transmission node and a common node, and the reception signal, which is input to the low-noise amplifier from the input/output terminal via the common node and a reception node, from each other; and a phase-shift circuit that is provided between an input node of the low-noise amplifier and the reception node of the duplexer, and that adjusts an impedance at the input node of the low-noise amplifier with respect to the transmission signal and the reception signal such that the gain of the transmission signal is smaller than the gain of the reception signal. | 2019-02-14 |
20190052450 | Duplex Communication | 2019-02-14 |
20190052451 | COMMUNICATION DEVICE AND COMMUNICATION SYSTEM - A communication system includes a master node and one more slave nodes connected via a transmission line. The master node is configured to output a first PWM signal having a shorter low level time and a second PWM signal having a longer low level time. The slave node is configured to output the second PWM signal when detecting a high to low signal level change on the transmission line. The master node detects a time delay as measured from when an input signal to a transmission buffer falls to when an output signal from a reception buffer falls. The time delay is an index value used to change the low level time of the first PWM signal when the time delay is equal to or less than a preset value. | 2019-02-14 |
20190052452 | APPARATUSES AND METHODS FOR COMPENSATING PHASE FLUCTUATIONS - The present disclosure relates to methods and apparatuses for compensating carrier or clock signal phase fluctuations. An apparatus comprises a digital phase locked loop ( | 2019-02-14 |
20190052453 | APPARATUS AND METHOD FOR USING BLOCKCHAINS WITH SECURE CUSTODY TRANSFER DATA, SEALING DATA, AND OTHER DATA ASSOCIATED WITH MATERIAL TRANSFERS - A method includes obtaining data associated with material that is transferred during a material transfer involving multiple parties and/or equipment associated with the material transfer. The method also includes generating an update to a blockchain based on the data and updating a local copy of the blockchain using the update. The method further includes publishing the update to one or more nodes for updating one or more additional copies of the blockchain. The blockchain could identify one or more sealing actions associated with one or more seals applied to the equipment or components of the equipment, such as when the blockchain sequentially identifies all sealing actions applied to the equipment or the components of the equipment. The data could include contents of a document associated with the transfer of the material, and the update to the blockchain could include the contents or a hash of the contents. | 2019-02-14 |
20190052454 | SYSTEM AND METHOD FOR CONTROLLING ASSET-RELATED ACTIONS VIA A BLOCK CHAIN - According to one perspective, the invention provides a technical arrangement to calculate, register and/or apportion costs and/or generate income in proportion to the current ownership of an asset. One or more embodiments also comprise a novel technique for generating cryptographic sub-keys. Thus, one benefit provided by the invention is that it allows the secure distribution of costs and income for an asset registered and maintained on the Blockchain. In turn, this increases the capability of such assets to meet the real-world needs of various entities such as the asset itself and investing parties. In one embodiment the invention provides a computer-implemented system for controlling a transfer made via a blockchain in respect of an asset, the system comprising an asset having a plurality of private cryptographic keys, each private key being associated with an owner of the asset; a registry comprising a plurality of public cryptographic keys wherein each public key corresponds to a private key in the asset's plurality of private keys, and is associated with a redeem script hash that can be identified within an unspent blockchain transaction; a smart contract comprising at least one rule relating to the automated generation of one or more blockchain transactions to enable a transfer to be made in respect of the asset; and a computing agent arranged to evaluate and/or execute the at least one rule of the smart contract. In some embodiments, a hierarchy of computing agents is managed by a master agent to carry out the asset related tasks defined in the smart contract. The master and subordinate agents communicate to execute discrete tasks. | 2019-02-14 |
20190052455 | SYSTOLIC PARALLEL GALOIS HASH COMPUTING DEVICE - A computing device (e.g., an FPGA or integrated circuit) processes an incoming packet comprising data to compute a Galois hash. The computing device includes a plurality of circuits, each circuit providing a respective result used to determine the Galois hash, and each circuit including: a first multiplier configured to receive a portion of the data; a first exclusive-OR gate configured to receive an output of the first multiplier as a first input, and to provide the respective result; and a second multiplier configured to receive an output of the first exclusive-OR gate, wherein the first exclusive-OR gate is further configured to receive an output of the second multiplier as a second input. In one embodiment, the computing device further comprises a second exclusive-OR gate configured to output the Galois hash, wherein each respective result is provided as an input to the second exclusive-OR gate. | 2019-02-14 |
20190052456 | A method of data transfer, a method of controlling use of data and a cryptographic device - A method of data transfer from a tenant to a service provider comprises encrypting the data with a public key of a key pair generated by a secure device within the service provider system. The data thus cannot be accessed by the service provider during transmission. The data is generated with a corresponding access control list, which specifies that a valid certificate must be presented N in order to grant a particular use of the data once stored. The tenant can thus retain control of the use of the data even though it has been transferred out of the tenant system. A method of controlling use of data securely stored in the service provider system comprises issuing a use certificate having an expiry time to the party requesting use of the data. The use certificate must be validated before use of the stored data is granted. This enables the tenant to grant use of the stored data for a limited time period. | 2019-02-14 |
20190052457 | TECHNOLOGIES FOR PROVIDING EFFICIENT SHARING OF ENCRYPTED DATA IN A DISAGGREGATED ARCHITECTURE - Technologies for providing efficient sharing of encrypted data in a disaggregated architecture include a sled. The sled includes a set of memory devices and a controller connected to the set of memory devices. The memory controller is to receive, from a first application executed by a compute sled, a data access request to share a data set between the first application and a second application. The data set is encrypted in one or more of the memory devices. Additionally, the controller is to determine, in response to the data access request, a key identifier that uniquely identifies a key that is usable to perform cryptographic operations on the data set. Further, the controller is to send, to an encryption key manager, a request to provide the key corresponding to the key identifier to be used by the second application to decrypt the data set and send, to the second application, a handle associated with an address in the set of memory devices where the data set is located. | 2019-02-14 |
20190052458 | DETERMINING A COMMON SECRET FOR THE SECURE EXCHANGE OF INFORMATION AND HIERARCHICAL, DETERMINISTIC CRYPTOGRAPHIC KEYS | 2019-02-14 |
20190052459 | METHOD FOR GENERATING A SECRET IN A NETWORK HAVING AT LEAST TWO TRANSMISSION CHANNELS - A method for generating a secret in a network that has two or more users, which are connected in a data-transmitting manner via at least two transmission channel. For a network communication that is not used for a secret generation, the two users communicate via a first of the at least two transmission channels, and for at least a secret-relevant portion of a network communication that is used for of a secret generation, they communicate via another, second one of the at least two transmission channels. | 2019-02-14 |
20190052460 | METHOD, APPARATUS, AND SYSTEM FOR IDENTITY AUTHENTICATION - An identity authentication method for a quantum key distribution process includes selecting, by a sender, preparation bases of an identity authentication bit string in accordance with a preset basis vector selection rule; sending, by a sender, quantum states of the identity authentication bit string and quantum states of a randomly generated key bit string by using different wavelengths. The identity authentication bit string is interleaved in the key bit string at a random position and with a random length. The method further includes measuring, by a receiver, the received quantum states in the quantum state information in accordance with the different wavelengths and measurement bases selected according to the preset basis vector selection rule to obtain identity authentication information from the measurement of the identity authentication bit string; and determining, by the receiver, whether the identity authentication information obtained through the measurement corresponds with the preset basis vector selection rule. | 2019-02-14 |
20190052461 | SYSTEM FOR SECURE STORAGE OF CRYPTOGRAPHIC KEYS - A secure device comprises a secure computing environment (SCE) that stores one or more cryptographic secrets, such as private keys, and is able to receive input from secure input devices such as a keypad or smartcard interface and provide output to secure output devices such as a secure display. The SCE provides safeguards against remote and physical exploits, erasing or rendering unusable the secrets in the event of actual or suspected exploit, protecting the secrets from compromise. The SCE may digitally sign internally generated messages or messages from an external device such as a smartphone. Message signing conditions may be checked and satisfied in the SCE before a digitally signed message is generated. Messages may be automatically signed if they satisfy specified conditions. The secure device may be used as part of a multisignature scheme in which a plurality of private keys are used to create a digital signature. | 2019-02-14 |
20190052462 | DYNAMIC SECOND FACTOR AUTHENTICATION FOR COOKIE-BASED AUTHENTICATION - A server sends information to a client that allows the client to establish a first key at the client. The server then receives a session ID that has been encrypted using the first key. The first key is then established at the server, which can then decrypt the session ID using the first key. After the server validates the session ID, it determines a second key that is different from the first key. The server then receives the session ID encrypted with the second key, and decrypts the session ID encrypted with the second key. | 2019-02-14 |
20190052463 | SECURE FILE SHARING METHOD AND SYSTEM - Systems and methods are provided for securely sharing data. A processor forms two or more shares of a data set encrypted with a symmetric key, the data set associated with a first user device, and causes the encrypted data set shares to be stored separately from each other in at least one remote storage location. The processor generates first and second encrypted keys by encrypting data indicative of the symmetric key with a first asymmetric key of first and second asymmetric key pairs associated with the first user device and a second user device, respectively, and causes the encrypted key to be stored in the at least one storage location. To restore the data set, a predetermined number of the two or more encrypted data set shares and at least one of the second asymmetric keys of the first and second asymmetric key pairs are needed. | 2019-02-14 |
20190052464 | METHOD FOR GENERATING A PUBLIC/PRIVATE KEY PAIR AND PUBLIC KEY CERTIFICATE FOR AN INTERNET OF THINGS DEVICE - A method is provided for generating a key pair and certificate for an IoT device. An integrated circuit (IC) is manufactured by a first entity for use in an internet of things (IoT) device. The IC is provided to a second entity for manufacturing the IoT device using the IC, the IC having a unique identifier (UID) and secret key derivation data (KDD). A secure memory is provided to a third entity by the first entity. The secure memory has secret key derivation parameters configured to enable the generation of a product specific parameter (PSP). The secure memory enables the third entity to prepare a signed public key certificate using the UID assigned to the IC of each device. The public key certificate is for verifying the authenticity of the device. In addition, the PSP enables the IC inside the device to generate a private key corresponding to a public key in the signed public key certificate. | 2019-02-14 |
20190052465 | METHOD AND APPRATUS FOR AUTHENTICATION AND PROMOTION OF SERVICES - An approach is provided for authenticating services at a device. An authentication request from a services platform is received at a device. Local credentials to authenticate access to a storage are retrieved. The access to the storage is authenticated based, at least in part, on the local credentials. If authenticated, it is determined that account information for the services platform is in the storage. The account information includes authentication credentials associated with the services platform, a security policy associated with the services platform, or a combination thereof. A response to the authentication request is generated based, at least in part, on the account information. | 2019-02-14 |
20190052466 | HASH CONTRACT GENERATION AND VERIFICATION SYSTEM - A hash contract is disclosed herein. A hash contract may be a value generated by a device using a hash function. The hash contract itself may represent a legally enforceable contract. The hash contract may be structured in a manner such that a device operated by a contracting party can transmit a legally enforceable contract over a network using a smaller file size than is possible with conventional secure transaction techniques. In addition, the manner in which the hash contract is generated allows a receiving device to verify that the contract elements of the contract are as expected and to verify an identity of a user that allegedly accepted the contract. Thus, even if a malicious user attempts to alter contract elements or perform other fraudulent activity, the receiving device can use the hash contract to identify such activity and prevent a transaction from being completed. | 2019-02-14 |
20190052467 | HASH-BASED DATA VERIFICATION SYSTEM - An acceptance hash code is disclosed herein. An acceptance hash code is a value generated by a device using a hash function. The acceptance hash code itself may represent a legally enforceable document. The acceptance hash code may be structured in a manner such that a device operated by a user can transmit a legally enforceable document over a network using a smaller file size than is possible with conventional secure transaction techniques. In addition, the manner in which the acceptance hash code is generated allows a receiving device to verify that the document elements of the document are as expected and to verify an identity of a user that allegedly executed the document. Thus, even if a malicious user attempts to alter document elements or perform other fraudulent activity, the receiving device can use the acceptance hash code to identify such activity and prevent a transaction from being completed. | 2019-02-14 |
20190052468 | MULTI-LEVEL AUTHENTICATION FOR SECURE SUPPLY CHAIN ASSET MANAGMENT - An authentication system and method for authenticating an asset includes a Near Field Communication (NFC) tag associated with the asset, an NFC enabled user device, and an authentication server. The NFC tag includes a unique identifier and an encrypted output of a shared key that is stored on the authentication server. The encrypted output includes a Speck cryptographic algorithm. The unique identifier and the encrypted output are signed by an Elliptic Curve Digital Signal Algorithm (ECDSA) signature. When the user device verifies challenge/response messages and the unique identifier, and the ECDSA signature is verified by either the user device or the authentication server, the encrypted output is decrypted and the authentication server compares the decrypted data with the stored shared key to either determine that the asset is authentic or notify a stakeholder associated with the asset that the asset is inauthentic. | 2019-02-14 |
20190052469 | FLEXIBLE PROVISIONING OF ATTESTATION KEYS IN SECURE ENCLAVES - A computing platform implements one or more secure enclaves including a first provisioning enclave to interface with a first provisioning service to obtain a first attestation key from the first provisioning service, a second provisioning enclave to interface with a different, second provisioning service to obtain a second attestation key from the second provisioning service, and a provisioning certification enclave to sign first data from the first provisioning enclave and second data from the second provisioning enclave using a hardware-based provisioning attestation key. The signed first data is used by the first provisioning enclave to authenticate to the first provisioning service to obtain the first attestation key and the signed second data is used by the second provisioning enclave to authenticate to the second provisioning service to obtain the second attestation key. | 2019-02-14 |
20190052470 | GROUP SIGNATURES WITH PROBABILISTIC REVOCATION - Aspects of group signatures with probabilistic revocation are described. In one example employing these aspects, at least one computing device can map an alias token to an alias code comprising a plurality of alias code segments. Each of the alias code segments is based at least in part on a set of orthogonal codes. Also, each of the alias code segments corresponds to a segment of the alias token. A revocation code is based at least in part on a plurality of revoked alias codes. One of the alias code segments and a corresponding segment of the revocation code can be utilized to determine a revocation status of the alias token. | 2019-02-14 |
20190052471 | PERSONALIZED TOXICITY SHIELD FOR MULTIUSER VIRTUAL ENVIRONMENTS - Toxicity-shield modules are activated with respect to participants of a multiuser virtual environment to shield individual participants from toxic behaviors. The toxicity-shield modules may be customized for each participant of the multiuser virtual environment based on tolerances of each participant for exposure to predetermined toxic behavior(s). The toxicity-shield modules may be activated during the multiuser virtual environment to monitor communications data (e.g., voice-based and/or text-based “chats” and/or a video stream) between the participants and to manage the exposure level of individual participants to the predetermined toxic behavior(s). For example, under circumstances where a first participant is highly intolerant to usage of a particular expletive whereas a third participant is indifferent to usage of the particular expletive, the toxicity-shield module(s) may identify instances of the particular expletive to prevent the first participant from being exposed to such instances without similarly preventing the third participant from being exposed to such instances. | 2019-02-14 |
20190052472 | SIMULTANEOUS REMOTE CONNECTION OF HETEROGENEOUS CONFERENCING SYSTEMS TO THE SAME CONFERENCE - Embodiments are described for provision of video conferencing with, for example, procedures for simultaneously connecting two or more endpoints to the same video conference. Such procedures may be particularly useful for automatically initiating a video conference involving room system endpoints. | 2019-02-14 |
20190052473 | Synchronized Accessibility for Client Devices in an Online Conference Collaboration - Techniques and systems for synchronized accessibility for client devices in an online conference are described. For example, a conferencing system receives presentation content and audio content as part of the online conference from a client device. The conferencing system generates sign language content by converting audio in the audio content to sign language. The conferencing system then synchronizes display of the sign language content with the presentation content in a user interface based on differences in durations of segments of the audio content from durations of corresponding segments of the sign language content. Then, the conferencing system outputs the sign language content as synchronized with the presentation content, such as to a viewer client device that requested the sign language content, or to storage for later access by viewers that request sign language content. | 2019-02-14 |
20190052474 | METHOD FOR STREAMING REAL-TIME DATA FROM A USER DEVICE TO A DISPATCH UNIT TERMINAL - A system and method for streaming real-time data from a user device to a dispatch unit terminal, where the method includes: identifying a connection between a user device and a call center; sending a link to the user device, wherein the link includes instructions to initiate streaming of real-time data from the user device, and further includes a unique identifier associated with the user device; and sending the real-time data to a dispatch unit terminal, where the unique identifier is used to match the real-time data with the dispatch terminal used in the first connection. | 2019-02-14 |
20190052475 | SYSTEMS AND METHODS FOR IMPLEMENTING DIGITAL CONTENT EFFECTS - Broadly speaking, embodiments of the present techniques provide methods, apparatus and systems for augmenting user experiences of digital content consumed on a user device. More particularly, embodiments of the present techniques provide methods for implementing physical effects specified in an effects file/track that is associated with digital content via one or more Internet of Things (IoT) devices located in the environment in which the digital content is being consumed. | 2019-02-14 |
20190052476 | SMART APPLIANCE CONTROL METHOD AND SMART APPLIANCE - Provided are a smart appliance control method and a smart appliance. The smart appliance control method, applied to a smart terminal, includes: providing an operating program having a WiFi module setting interface on the smart terminal, the smart terminal is communicatively connected to the smart appliance through a communication module; and entering the WiFi module setting interface through the operating program of the smart terminal, selecting a searched router signal, inputting a router password, and configuring a WiFi module of the smart appliance to connect to a router. | 2019-02-14 |
20190052477 | METHODS, SYSTEMS, AND MEDIA FOR MEDIA CONTENT STREAMING DEVICE SETUP - Systems, methods, and media for setting up a media content streaming device are provided. In some implementations, the systems comprise: a first communication interface that is configured to provide a media output to a media content presentation device; a second communication interface that is configured to transfer data; and a hardware processor that is configured to: retrieve a setup application in response to detecting a connection between the media content streaming device and a user device via the second communication interface; cause the setup application to be launched on the user device; receive, from the user device, information relating to setting up the media content streaming device; set up the media content streaming device based on the received information relating to setting up the media content streaming device; and prompt a user to connect the media content streaming device to the media content presentation device via the second communication interface. | 2019-02-14 |
20190052478 | USER SCENE AND SCHEDULE CREATION BASED ON TIME OF THE YEAR - A controller and method for a premises system are provided. The controller includes processing circuitry configured to: receive a plurality of system setting groups for controlling a plurality of premises devices where each system setting group including at least one respective device setting for each of the plurality of premises devices, determine at least one setting characteristic, the at least one setting characteristic including a calendar date, and select one of the plurality of system settings groups for controlling the plurality of premises devices based on the determined at least one setting characteristic. The controller includes a transceiver configured to transmit a control signal to each of the plurality of premises devices to control the plurality of premises devices according to the selected one of the plurality of system setting groups. | 2019-02-14 |
20190052479 | BUILDING MANAGEMENT SYSTEM WITH ADVANCED SEARCH ACTIONS AND BULK COMMANDS - A building management system includes a search and control system coupled to a building network. The building network includes a plurality of devices of building equipment that operate to affect a variable state or condition within a building. The search and control system is configured to provide a search interface, receive filter criteria, perform a search regarding the devices of building equipment based on the filter criteria, return a set of search results based on the filter criteria, receive a selection of one or more devices of building equipment of the set of search results, receive command criteria regarding a command to provide to the one or more selected devices of building equipment, and provide the command to the one or more selected devices of building equipment. The command causes the one or more selected devices of building equipment to affect the variable state or condition within the building. | 2019-02-14 |
20190052480 | TECHNOLOGIES FOR HAIRPINNING NETWORK TRAFFIC - Technologies for hairpinning network traffic include a compute device with a network interface controller (NIC) configured to receive, by a virtual Ethernet port aggregator (VEPA) agent of a media access control (MAC) of the NIC, a network packet from a virtual machine (VM). The VEPA agent is configured to transmit the received network packet to an agent deployed on an accelerator device of the NIC and the agent is configured to forward the received network packet to a virtual Ethernet bridge (VEB) hairpin agent of the accelerator device. The VEB hairpin agent is configured to determine whether a target destination of the network packet corresponds to another VM, return the received network packet to the agent deployed the accelerator device. The agent is further configured to forward the received network packet to the VEPA agent, which is further configured to transmit the received network packet to the other VM. | 2019-02-14 |
20190052481 | VIRTUAL CONTROLLER AREA NETWORK - According to an embodiment of the present disclosure, a virtual controller area network system includes first, second third controller area network (CAN) buses. A first CAN controller is coupled to the first and second CAN buses and is configured to route messages to and from the first and second CAN buses. A second CAN controller is coupled to the third CAN bus and is configured to route messages to and from the third CAN bus. A network bridging system is configured to route messages over a local area network between the first CAN controller and the second CAN controller. | 2019-02-14 |
20190052482 | Method and System Used by Terminal to Connect to Virtual Private Network, and Related Device - A method and a system used by a terminal to connect to a virtual private network (VPN), and a related device to resolve a problem that workload is heavy and an error is easy to occur currently during configuration of an Internet Protocol (IP) address of a VPN gateway for a terminal. A VPN control device is responsible for authenticating access of the terminal, and determining a VPN gateway to which the terminal is allowed to connect. When an IP address of the VPN control device is configured for all terminals in a system, terminal security authentication can be implemented. | 2019-02-14 |
20190052483 | DYNAMIC SCHEDULING OF DATA PATTERNS FOR SHORTENED TRANSMISSION TIME INTERVALS - Methods, systems, and devices for wireless communication are described. Multiple transmission time intervals (TTIs) may be used for communications between a base station and user equipment (UE), where each TTI may have a data pattern scheduled by a base station. Each TTI may include respective symbol periods designated as reference or data symbol periods. In some examples, the UE may be configured to transmit a sounding reference signal (SRS) in a last symbol period of a TTI, and a base station may dynamically determine a data pattern for the TTI such that a temporally last symbol period is immediately preceded by a reference symbol period (e.g., based on the presence of the SRS). In such cases, the UE may configure a transient time within the preceding reference symbol period to avoid signal degradation of the SRS (or data transmitted within the same TTI). | 2019-02-14 |
20190052484 | PROTECTION OF RANGING SOUNDING SIGNALS FROM PHYSICAL LEVEL ATTACKS - Generally, the described techniques provide for protection mechanisms for sounding training signals transmitted between wireless devices when performing ranging sounding estimation. For example, sounding training signals may be encoded to include a sequence of phase rotations or cyclic shifts to protect the sounding training signal from peer devices. In some cases, encoding information associated with a long training field (LTF) may be transmitted either before or after the LTF is transmitted. Additionally or alternatively, a time delay may be introduced to the sounding training signal, where timing information may be removed from one or more fields of the sounding training signal and the time delay may be appended to an interframe spacing. Alternatively, a frame may be split into multiple frames with the sounding training signal in a first frame, and timing information in a second frame that is offset in time from the first frame. | 2019-02-14 |
20190052485 | SIGNAL PROCESSING DEVICE AND ASSOCIATED EQUALIZATION CIRCUIT AND SIGNAL PROCESSING METHOD - A signal processing device for a receiver includes: a descrambler, descrambling an input signal to generate a descrambled signal; a phase recovery circuit, performing phase recovery according to the descrambled signal to generate a phase recovered signal; an equalization module, performing equalization according to the phase recovered signal to generate an equalized signal; and a decoder, decoding the equalized signal to obtain data included in the input signal. | 2019-02-14 |
20190052486 | METHOD AND TRANSMITTER FOR GENERATING A WAVEFORM WITH OPTIMIZED PAPR - Embodiments of the present disclosure disclose method and transmitter to generate and transmit a waveform with an optimized peak to average power (PAPR) in a communication network. The method comprises performing a constellation rotation on input data symbols to create a rotated data symbols, wherein the input data symbols is obtained by performing at least one of prefixing a modulation data with first predefined number (N1) of zero's and post-fixing the modulation data with second predefined number (N2) of zero's. Also, the method comprises performing convolution operation on the input data symbols using one or more filter coefficients to produce a symbol level filtered data. Further, the method comprises pulse shaping the symbol level filtered data to generate a pulse shaped data sequence and processing the pulse shaped data sequence to generate a waveform. | 2019-02-14 |
20190052487 | Scrambling Sequence Design for Multi-Mode Block Discrimination on DCI Blind Detection - Methods and devices are described for polar encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on control information blind detection and decoding. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a user equipment (UE)-specific identifier, a UE group identifier, or a base station identifier. Frozen bits of the polar code may be used to encode and transmit hybrid automatic repeat request (HARQ) acknowledgment messaging for early retransmission of unsuccessful downlink messages. A tiered process of UE identification may be employed to improve a balance between early termination of the decoding process and success of the UE identification process. | 2019-02-14 |
20190052488 | EQUALIZER CIRCUIT AND CONTROL METHOD OF EQUALIZER CIRCUIT - According to an embodiment, a control circuit of an equalizer configured to set a first amount to a linear equalizer, determine a second amount optimizing a non-linear equalizer with respect to a first signal generated by the linear equalizer to which the first amount is set, set the second amount to the non-linear equalizer, update an amount from the first amount to a third amount smaller than the first amount based on a magnitude of the first amount, set the third amount to the linear equalizer, determine a fourth amount optimizing the non-linear equalizer with respect to a second signal generated by the linear equalizer to which the third amount is set, and update an amount from the second amount to the fourth amount. | 2019-02-14 |
20190052489 | COMMUNICATION INTERFACE AND INTERFACING METHOD THEREOF - The communication interface including a data encoder. The data encoder receives a data package which has at least one first output signal with N bits, generates and outputs at least one transmitting signal during one period of a reference clock signal and determining a voltage level of the transmitting signal according to a logic value of the first output signal, wherein N is an integer larger than 1. | 2019-02-14 |
20190052490 | DIRECT SEQUENCE DETECTION AND EQUALIATION - Methods and apparatuses for direct sequence detection can receive an input signal over a communication channel. Next, the input signal can be sampled based on a clock signal to obtain a sampled voltage. A set of reference voltages can be generated based on a main cursor, a set of pre-cursors, and a set of post-cursors associated with the communication channel. Each generated reference voltage in the set of reference voltages can correspond to a particular sequence of symbols. A sequence corresponding to the sampled voltage can be selected based on comparing the sampled voltage with the set of reference voltages. | 2019-02-14 |
20190052491 | Signal Distribution Circuit and Signal Distribution Circuit System - A signal distribution circuit including an equalization circuit, a signal distribution part, an operational amplifying circuit, a feedback circuit, and a time sequence circuit. The equalization circuit is configured to collect an initial broadband signal. The signal distribution part is configured to distribute a first-stage broadband signal resulting from amplitude attenuation process to obtain a plurality of same second-stage broadband signals. The operational amplifying circuit is configured to perform amplification processing on the second-stage broadband signal obtained after distribution to obtain a third-stage broadband signal. The feedback circuit is configured to feedback the third-stage broadband signal to the equalization circuit. The time sequence circuit is configured to adjust an amplification gain of the third-stage broadband signal, and transmit the third-stage broadband signal to an analog to digital converter. | 2019-02-14 |
20190052492 | RECEIVER AND RECEPTION METHOD BASED ON PULSE - A receiver includes an antenna configured to receive a radio signal, a pulse generator configured to generate a pulse, an oscillator configured to be driven based on the pulse to generate an oscillation signal based on the radio signal, and a measurer configured to be driven by the pulse to measure an oscillation degree of the oscillation signal, wherein the radio signal is received based on the oscillation degree of the oscillation signal. | 2019-02-14 |
20190052493 | DIRECT RF DEMODULATION - An apparatus for decoding a data modulated signal includes a signal receiver that receives a data modulated signal that is encoded with phase-shift keying (PSK) and provides an amplified signal corresponding to the data modulated signal, a tunable phase shifter that receives a local reference signal and a selected phase shift, applies the selected phase shift to the local reference signal to produce a phase shifted reference signal, a summing unit that sums the amplified signal and the phase shifted reference signal to produce a summed signal, an amplitude detector that determines an amplitude of the summed signal, and a symbol detector that varies the selected phase shift and determines a current symbol within the data modulated signal based on the amplitude of the summed signal as the selected phase shift is varied. A corresponding method is also disclosed herein. | 2019-02-14 |
20190052494 | DATA PROCESSING APPARATUS AND DATA PROCESSING METHOD - The present technology relates to a data processing apparatus and a data processing method which can enhance multipath propagation resistance. When performing modulation processing on a physical layer frame including a preamble, which includes a modulation parameter, and one or more subframes, which include data, the data processing apparatus can set any modulation parameter for each subframe, and the modulation parameter has a relationship of Tu | 2019-02-14 |
20190052495 | METHOD AND TRANSMISSION APPARATUS FOR MULTIPLE ACCESS IN WIRELESS COMMUNICATION SYSTEM - Disclosed are method and apparatus for enabling multiple access in a wireless communication system that can enable ultralow latency, ultra-reliable, and high throughput services. The disclosed multiple access method includes: allocating resources for a plurality of user terminals according to space and frequency; performing a discrete Fourier transform on a transmission symbol for each unit of the space, the transmission symbol composed of a plurality of sub-symbols and configured to be transmitted according to the allocated space and frequency resources; and applying a frequency filter and a spatial filter on the Fourier transformation result, and wherein the applying of the frequency filter and the spatial filter comprises: selecting a pulse shaping filter according to an arranged position of the allocated frequency resource for each unit of the space and applying the selected pulse shaping filter on a sample representing a result of applying a Fourier transform on the sub-symbol to a frequency domain. | 2019-02-14 |
20190052496 | METHOD AND APPARATUS FOR TRANSMITTING PLCP FRAME IN WIRELESS LOCAL AREA NETWORK SYSTEM - A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIG field. | 2019-02-14 |
20190052497 | METHOD FOR CORRECTING AN ERROR IN THE FREQUENCY GENERATION BY A TERMINAL OF A WIRELESS COMMUNICATION SYSTEM - A method for correcting an error in the generation of a frequency by a frequency synthesizer of a terminal of a terrestrial wireless communication system. A query message is transmitted by the terminal. Error in the generation of the frequency of the query message is estimated by an access network as a function of a theoretical transmission frequency of the query message by the terminal and an actual frequency of reception of the query message by the access network. A response message comprising an item of correction information is transmitted by the access network. A frequency of reception by the terminal of a broadcast signal transmitted by the access network is generated by the frequency synthesizer of the terminal and as a function of the item of correction information received by the access network. | 2019-02-14 |
20190052498 | APPARATUS AND METHOD FOR SENDING AND RECEIVING BROADCAST SIGNALS - A broadcast signal receiver includes a tuner configured to receive a broadcast signal; a pilot detector configured to detect pilots included in the broadcast signal; a de-framer configured to de-frame a signal frame of the broadcast signal and to extract Physical Layer Pipe (PLP) data from the signal frame; and a decoder configured to decode the PLP data, wherein the signal frame comprises a bootstrap, a preamble, and the PLP data, wherein the bootstrap comprises first information for indicating system bandwidth, second information for emergency alert wake up, and third information for indicating structure of the preamble, wherein the preamble comprises a plurality of preamble symbols, the preamble carrying Layer 1 (L1) signaling data for the signal frame, and wherein the foremost preamble symbol comprises fourth information indicating a number of at least one remaining preamble symbol. | 2019-02-14 |
20190052499 | FILTER BANKS AND METHODS FOR OPERATING FILTER BANKS - The disclosure refers to a synthesis filter bank, comprising: a transform module which is configured to receive a plurality of input signals, transform the plurality of input signals, and output a plurality of transformed signals, a plurality of filter modules, which are coupled to the transform module, and wherein each filter module of the plurality of filter modules is configured to receive two transformed signals from the transform module, process the two received transformed signals and output two processed signals, and a parallel-to-serial module which is coupled to the plurality of filter modules and which is configured to receive the processed signals from the plurality of filter modules, combine the received processed signals and output a combined signal. Furthermore, an analysis filter bank, a filter bank and methods for operating a synthesis filter bank and for operating an analysis filter bank are disclosed. | 2019-02-14 |
20190052500 | APPARATUS AND METHOD FOR FILTER BANK MULTI-CARRIER SIGNAL MODULATION WITH LOW PAPR IN MULTIPLE ANTENNA SYSTEM - An apparatus and method for filter bank multi-carrier signal modulation with a low peak-to-average power ratio (PAPR) in a multiple antenna system are disclosed. According to embodiments of the present disclosure, in a multiple antenna transmission method, after a plurality of transmission candidate signals, which are modulated for each antenna using discrete Fourier transform (DFT) spread filter bank multi-carrier and offset quadrature amplitude modulation (FBMC/OQAM) techniques and are capable of obtaining a single carrier effect, are generated, a transmission candidate signal with a low PAPR can be selected and transmitted, and thus peak-to-average power ratio performance can be effectively improved, and interference between subcarriers can be eliminated by applying an Alamouti coding manner. | 2019-02-14 |
20190052501 | ALIASING ENHANCED OFDM COMMUNICATIONS - A system comprises an analog front end (AFE), an analog-to-digital converter (ADC), and alias detection circuitry. The AFE may be operable to receive an analog signal via a communication medium, wherein a first frequency band of the analog signal is occupied by an OFDM symbol and a second frequency band of the analog signal is occupied by first aliases generated during digital-to-analog conversion of the OFDM symbol. The ADC is operable to digitize the particular band of the analog signal to generate a digital signal, wherein, during the digitization, aliasing of the first aliases results in second aliases which fall into the first frequency band. The alias detection circuitry is operable to detect the second aliases in the first frequency band of the digital signal, and process the digital signal based on the detected second aliases to generate an output signal. | 2019-02-14 |
20190052502 | DATA TRANSMISSION METHOD, USER EQUIPMENT, AND NETWORK SIDE DEVICE - This application relates to a data transmission method. The method includes: receiving, in a subframe, first data and first demodulation reference signal(s) that are sent by a first network side device by using n antenna port(s), and second data and second demodulation reference signal(s) that are sent by a second network side device by using m antenna port(s), where time-frequency resources occupied by the first demodulation reference signal(s) are different from time-frequency resources occupied by the second demodulation reference signal(s), and a time-frequency resource occupied by the first data and that occupied by the second data at least partly overlap; and performing demodulation processing on the data based on the first demodulation reference signal(s) and the second demodulation reference signal(s). The data transmission method may be applied to coordinated multipoint transmission/reception in which a plurality of network side devices that are not quasi-co-located simultaneously send data to user equipment. | 2019-02-14 |
20190052503 | TERMINAL APPARATUS AND COMMUNICATION METHOD - To provide a terminal apparatus and a communication method that enable a communication apparatus (terminal apparatus and/or base station apparatus) supporting multiple subcarrier spacings to perform efficient communication. A terminal apparatus transmits or receives a signal, configures a subcarrier spacing to be used for transmission or reception of the signal. In a case that the signal includes data of the SRB, the subcarrier spacing to be used for transmission or reception of the signal is a first subcarrier spacing, and in a case that the signal includes data of the DRB, the subcarrier spacing to be used for transmission or reception of the signal is a second subcarrier spacing. | 2019-02-14 |
20190052504 | TERMINAL APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION METHOD - To provide a terminal apparatus, a base station apparatus, and a communication method that enable a communication apparatus (terminal apparatus and/or base station apparatus) supporting multiple subcarrier spacings to perform efficient communication. A terminal apparatus includes: a control unit configured to identify a subcarrier spacing set applicable to a data channel, based on a first parameter included in higher layer signaling; and a reception unit configured to receive a control channel including data channel assignment information. Based on a type of the data channel assignment information, the terminal apparatus selects, from the subcarrier spacing set, a subcarrier spacing applicable to the data channel assigned based on the data channel assignment information. | 2019-02-14 |
20190052505 | Systems and Methods Of Providing A Guard Interval For Transmissions In A Communication System - A wireless device, a network node and methods performed by the wireless device and the network node for providing a guard interval for transmissions in a communication system are presented. The network node ( | 2019-02-14 |
20190052506 | Method and Apparatus for Selecting an Antenna Port Using Received Antenna Port Specific Adjustments - A method and apparatus is provided, where a respective reference signal associated with each of one or more downlink transmit antenna ports in a wireless communication network is received. A value is determined for each of one or more measurable characteristics relative to each of the received reference signals. One or more parameters are received, the parameters including one or more adjustments, where each adjustment is specific to one of the downlink transmit antenna ports and include adjustments in the form of one or more respective offset values to be applied to at least some of the one or more determined values of the measurable characteristics of the received reference signals. At least one downlink transmit antenna port is then to function as a serving downlink transmit antenna port for the user equipment, based upon a comparison of the resulting values of the measurable characteristics of the received reference signals after the received one or more adjustments have been applied to the corresponding determined values. | 2019-02-14 |
20190052507 | TRANSMITTING APPARATUS AND MAPPING METHOD THEREOF - A transmitting apparatus is disclosed. The transmitting apparatus includes an encoder to perform channel encoding with respect to bits and generate a codeword, an interleaver to interleave the codeword, and a modulator to map the interleaved codeword onto a non-uniform constellation according to a modulation scheme, and the constellation may include constellation points defined based on various tables according to the modulation scheme. | 2019-02-14 |
20190052508 | TRANSMITTING APPARATUS AND MAPPING METHOD THEREOF - A transmitting apparatus is disclosed. The transmitting apparatus includes an encoder to perform channel encoding with respect to bits and generate a codeword, an interleaver to interleave the codeword, and a modulator to map the interleaved codeword onto a non-uniform constellation according to a modulation scheme, and the constellation may include constellation points defined based on various tables according to the modulation scheme. | 2019-02-14 |
20190052509 | VIRTUAL LOOKUP TABLE FOR PROBABILISTIC CONSTELLATION SHAPING - Probabilistic generation and decoding modulation symbols for use with optical communication. Codewords are generated using combinations of symbols from a modulation symbol alphabet, and each type of modulation symbol is sequentially generated using a hardware efficient combination generator that performs as a virtual lookup table (LUT). Likewise, decoding can be performed by sequentially identifying locations of individual modulation symbols within the received codeword. | 2019-02-14 |
20190052510 | 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 | 2019-02-14 |
20190052511 | ENCODER INPUT SELECTOR - An input selector for selecting an input of a convolution encoder of a transmitter is disclosed. The input selector comprises a shaper block and an input-select block. The shaper block is configured to receive an input comprising a first number of input bits, the shaper block configured to generate a shaped bit stream corresponding to the first number of input bits. The input-select block is configured to generate an encoder input bit stream for the encoder based on the shaped bit stream, wherein the input-select block generates the encoder input bit stream such that, when input into the encoder, a first bit of the encoder input bit stream sets a state of the encoder in order that a subsequent second bit of the encoder input bit stream causes the encoder to generate a bit of the shaped bit stream at a pre-determined position in an encoder output bit stream. | 2019-02-14 |
20190052512 | WIRELESS BASE STATION, TERMINAL DEVICE, AND COMMUNICATION SYSTEM - Provided is a communication system for preventing the wasteful consumption of a wireless band and a reduction in the immediacy of a response. A first wireless communication device in the communication system having the first wireless communication device and a second wireless communication device, wherein the first wireless communication device has a first restorer for restoring a packet and a first compressor for compressing a packet, and the second wireless communication device has a second restorer for restoring a packet and a second compressor for compressing a packet. A session group corresponding to a plurality of sessions is set between the first compressor and the second restorer, and the first compressor transmits to the second restorer a message that pertains to the restoration condition of the packet and that corresponds to the session group. | 2019-02-14 |