Patent application number | Description | Published |
20090067539 | Wireless Personal Area Network Communication Systems, Apparatus and Methods with Fast Adaptive Beamforming - An embodiment of the present invention provides a method for communicating in a wireless personal area network, comprising using adaptive beamforming configured for a low-rate mode for reliable low-rate communications and a high-rate mode for high-rate communications and using a fast algorithm to perform antenna beamforming for the high rate mode, wherein the fast algorithm includes training performed on a block-by-block basis with decision feedback from a receiver (RX) to a transmitter (TX) about the usefulness of further training stages. | 03-12-2009 |
20090073954 | Techniques for Wireless Personal Area Network Communications with Efficient Spatial Reuse - An embodiment of the present invention provides a method for communicating in a wireless personal area network (WPAN), comprising using Spatial Division Multiple Access (SDMA) in said WPAN network by exploiting directional antennas. | 03-19-2009 |
20090121936 | Adaptive antenna beamforming - Adaptive antenna beamforming may involve a maximum signal-to-noise ratio beamforming method, a correlation matrix based beamforming method, or a maximum ray beamforming method. The adaptive antenna beamforming may be used in a millimeter-wave wireless personal area network in one embodiment. | 05-14-2009 |
20090122744 | Selective relaying for wireless networks - A relay may partially decode a frame to get enough information to know when to amplify and transmit the frame to a user. By limiting transmission in this way, less interference may be generated in some cases. By using only limited decoding, the relay overhead may be reduced in some embodiments. | 05-14-2009 |
20090124199 | TECHNIQUES FOR WIRELESS PERSONAL AREA NETWORK COMMUNICATIONS WITH EFFICIENT SPATIAL REUSE - An embodiment of the present invention provides an apparatus, comprising at least one transceiver operable in a wireless personal area network (WPAN), wherein said at least one transceiver is equipped with the directional antennas adapted to point substantially vertically towards a horizontal reflecting surface, such as a ceiling, and with an antenna pattern specifically designed to control the interference levels. | 05-14-2009 |
20090129257 | SYSTEM AND METHOD FOR COMPENSATION OF NON-LINEAR TRANSMITTER DISTORTION - A system, apparatus, method and article to provide compensation of non-linear transmitter distortion are described. The apparatus may include a receiver node ( | 05-21-2009 |
20090168687 | TECHNIQUES FOR OPTIMAL LOCATION AND CONFIGURATION OF INFRASTRUCTURE RELAY NODES IN WIRELESS NETWORKS - An embodiment of the present invention provides a method, comprising optimizing the location and configuration of relay stations in a wireless network that includes at least one base station and at least one relay station by taking into account at least one or more of the following: the distinct antenna heights of said at least one base station and said at least one relay station; the data dependency between said at least one relay station and said at least one base station; the service outage of said wireless network; and the network throughput of said wireless network. | 07-02-2009 |
20090175366 | METHOD AND SCHEME FOR SPACE-TIME CODED COCHANNEL INTERFERENCE CANCELLATION - An apparatus, system, and method for space-time cochannel interference cancellation are described. The apparatus may include a time stacking module to stack consecutive subcarrier signals for a period of time equal to several symbols and a space-time subcarrier beamformer module to perform space-time subcarrier beamforming by applying space-time beamformer weights to stacked symbols on one or more subcarriers. The space-time beamformer weights may be calculated based on spatial and time correlation properties of one or more interference signals. Other embodiments are described and claimed. | 07-09-2009 |
20090233549 | Techniques for MMWAVE WPAN communications with high-directional steerable antennas combining omni-directional transmissions with beamforming training - An embodiment of the present invention provides a method for communicating in a millimeter wave (MMWAVE) wireless personal area network (WPAN) system using a reliable low-rate omni-directional communications mode implemented as TX-RX space scanning using directional antennas; and using a high-rate directional communications mode with beamformed directional antennas. | 09-17-2009 |
20090245160 | Geographical scheduling and association procedure for wimax systems - Techniques to manage communication between a subscriber station and a base station or a relay station are disclosed. | 10-01-2009 |
20090257454 | OFDM TRANSMITTER WITH ADAPTIVE BIT INTERLEAVER FOR ADAPTIVE BIT LOADING AND METHOD FOR OFDM COMMUNICATIONS - A multi-antenna transmitter includes an adaptive bit interleaver for orthogonal frequency division multiplexed (OFDM) communications. The adaptive bit interleaver permutes a variable number of coded bits per OFDM symbol (Ncbps). The variable number of coded bits is calculated based on individual subcarrier modulation assignments for orthogonal subcarriers. The interleaver matrix size may be based on the variable number of coded bits per OFDM symbol and the number of subchannels. The interleaver may add padding bits to the interleaver matrix to fill any remaining positions, and after performing an interleaving operation, the interleaver may prune the padding bits to provide a sequence of interleaved bits for subsequent modulation on the orthogonal subcarriers and transmission by more than one antenna. The transmitter may transmit the OFDM symbol in accordance with an IEEE 802.16 standard. | 10-15-2009 |
20090310656 | COMMUNICATION SYSTEM AND TECHNIQUE USING QR DECOMPOSITION WITH A TRIANGULAR SYSTOLIC ARRAY - An apparatus, system, and method to perform QR decomposition of an input complex matrix are described. The apparatus may include a triangular systolic array to load the input complex matrix and an identity matrix, to perform a unitary complex matrix transformation requiring three rotation angles, and to produce a complex unitary matrix and an upper triangular matrix. The upper triangular matrix may include real diagonal elements. Other embodiments are described and claimed. | 12-17-2009 |
20100054175 | Wirless broadband systems with relay stations - In a wireless communications network using relay stations between the network controller and at least some of the subscriber stations, the total network throughput may be increased by using spatial multiplexing between the network controller and some relay stations. In networks with multiple tiers of relay stations, a relay station may dedicate some sub-channels to communicating directly with subscriber stations and dedicate other sub-channels to communicating with other downstream relay stations. | 03-04-2010 |
20100091894 | CHANNEL QUALITY ASSESSMENT METHOD IN OFDM(A) COMMUNICATIONS AND A CORRESPONDING SYSTEM - A method and apparatus for determining a channel quality indicator (CQI) to be used in link adaptation for Orthogonal Frequency Division Multiplexing (OFDM) communications. In one embodiment of the invention, the CQI is based on a set of capacity values for subcarrier components in a received OFDM signal. In another embodiment, a minimum value from a running average of the set of capacity values is used to determine the CQI. | 04-15-2010 |
20100091895 | INTERFERING BASE STATIONS RECOGNITION METHOD AND SCHEME FOR 802.16E SYSTEMS - A method and apparatus for identifying the preamble for an unknown signal received in Orthogonal Frequency Division Multiplexing (OFDM) communications. In one embodiment, the preamble is identified from a set of known preambles using a detection statistic based on a generalized likelihood ratio (GLR) method. In another embodiment, the GLR detection statistic relies on a priori assumptions about a transfer function represented by the received signal. | 04-15-2010 |
20100135238 | SYSTEMS FOR COMMUNICATING USING MULTIPLE FREQUENCY BANDS IN A WIRELESS NETWORK - Communication signals using a first and a second frequency band in a wireless network is described herein. The first frequency band may be associated with a first beamwidth while the second frequency band may be associated with a second beamwidth. A method includes transmitting, in a first frequency band by a coordinating device, an indication of a first time resource and/or first frequency resource for a communication device to identify one or more neighbor communication devices that are capable of communicating over a second frequency band, receiving, in the first frequency band by the coordinating device, link availability information for the second frequency band based at least in part on the one or more neighbor communication devices identified as being capable of communicating over the second frequency band, and transmitting, in the first frequency band, a transmission schedule to indicate to the communication device a second time resource and/or second frequency resource in which the communication device can communicate with at least one of the one or more neighbor communications devices over the second frequency band, the transmission schedule being based at least in part on the received link availability information. Other embodiments may be described and/or claimed. | 06-03-2010 |
20110018767 | ADAPTIVE ANTENNA BEAMFORMING - Adaptive antenna beamforming may involve a maximum signal-to-noise ratio beamforming method, a correlation matrix based beamforming method, or a maximum ray beamforming method. The adaptive antenna beamforming may be used in a millimeter-wave wireless personal area network in one embodiment. | 01-27-2011 |
20110110338 | LOCATION DETERMINATION IN WIRELESS COMMUNICATION SYSTEMS - Briefly, in accordance with one or more embodiments, a mobile station receives a location beacon transmitted from multiple base stations based on a transmission plan for a predefined downlink location based services zone in the superframes of a signal frame structure. The transmission plan includes spreading transmissions of the location beacon that are unique to respective base stations. The mobile station identifies the base stations based on the respective location beacons and the transmission plan. The mobile station identifies a present location based on the location beacons and the identities of the base stations that from which the location beacons were received. | 05-12-2011 |
20110237192 | TECHNIQUES FOR WIRELESS NETWORK COMMUNICATIONS WITH HIGH-DIRECTIONAL STEERABLE ANTENNAS COMBINING QUASI OMNI-DIRECTIONAL TRANSMISSIONS WITH BEAMFORMING TRAINING - An embodiment of the present invention provides a method, comprising communicating in a wireless network using a low-rate quasi omni-directional communications mode implemented as TX-RX space scanning using directional antennas, and a high-rate directional communications mode with beamformed directional antennas, and wherein the quasi low-rate omni-directional communications mode using TX-RX space scanning uses a same frame to simultaneously carry control information and perform beamforming training of the directional antennas. | 09-29-2011 |
20120114028 | COORDINATED MULTI-POINT TRANSMISSION USING INTERFERENCE FEEDBACK - Embodiments of methods and apparatus for wirelessly receiving, by a user equipment (UE), interference signal from a first enhanced Node B (eNB) while the UE is communicating with a second eNB; generating interference feedback information that is associated with an interference channel between the first eNB and the UE; and transmitting the interference feedback information to the first eNB via the second eNB are disclosed. Additional variants and embodiments are also disclosed. | 05-10-2012 |
20120115419 | TECHNIQUES FOR MMWAVE WPAN COMMUNICATIONS WITH HIGH-DIRECTIONAL STEERABLE ANTENNAS COMBINING OMNI-DIRECTIONAL TRANSMISSIONS WITH BEAMFORMING TRAINING - An embodiment of the present invention provides a method for communicating in a millimeter wave (MMWAVE) wireless personal area network (WPAN) system using a reliable low-rate omni-directional communications mode implemented as TX-RX space scanning using directional antennas; and using a high-rate directional communications mode with beamformed directional antennas. | 05-10-2012 |
20120163280 | PHYSICAL LAYER COMMUNICATION PROTOCOL FOR USE IN WIRELESS NETWORKS WITH RELAYS - In some embodiments, a relay station comprises a baseband processor, an RF modulator/demodulator coupled to the baseband processor to modulate/demodulate data for communication within a predetermined frequency range, and a control module to implement a femto transmission-free zone in at least one of a time domain or a frequency domain and in which the relay station does not transmit data. Other embodiments may be described. | 06-28-2012 |
20120243638 | SYSTEMS FOR COMMUNICATING USING MULTIPLE FREQUENCY BANDS IN A WIRELESS NETWORK - Communication signals using a first and a second frequency band in a wireless network is described herein. The first frequency band may be associated with a first beamwidth while the second frequency band may be associated with a second beamwidth. An apparatus may include receiver circuitry arranged to receive first signals in a first frequency band associated with a first beamwidth and second signals in a second frequency band associated with a second beamwidth, the first signals comprising a frame synchronization parameter and the second signals comprising frame alignment signals. The apparatus may further include processor circuitry coupled to the receiver circuitry, the processor circuitry arranged to activate or deactivate the receiver circuitry to receive the frame alignment signals based on the frame synchronization parameter. Other embodiments may be described and/or claimed. | 09-27-2012 |
20120257575 | CO-PHASING OF TRANSMISSIONS FROM MULTIPLE INFRASTRUCTURE NODES - Briefly, in accordance with one or more embodiments, mobile station or user equipment receives pilot signals from two or more infrastructure nodes in a distributed antenna system, and calculates phase or timing information, or combinations thereof, from the pilot signals. The mobile station feeds back the phase or timing information, or combinations thereof, to the infrastructure nodes, and then receives one or more subsequent transmissions from the infrastructure nodes with phase shift or timing adjustments, or combinations thereof, calculated by the infrastructure nodes and applied to the spatial streams transmitted by the infrastructure nodes. | 10-11-2012 |
20130044683 | METHOD AND APPARATUS FOR DOWNLINK MULTIUSER MIMO TRANSMISSION IN A WIRELESS NETWORK - A base station transmits to a number of relay stations in a wireless network using a beamforming matrix. The beamforming matrix is generated by first obtaining a column vector from a beamforming matrix associated with each of the relay stations. An intermediate matrix is then generated using these column vectors. A zero-forcing procedure is then utilized to process the intermediate network to generate the final beamforming matrix. | 02-21-2013 |
20130115985 | BEAMFORMING COORDINATION IN HETEROGENEOUS NETWORKS - Technology for spatial domain beamforming coordination at a low power node (LPN) in a heterogeneous network (HetNet) is disclosed. One method can include the LPN collecting spatial feedback information of macro node interference from a plurality of wireless devices in a LPN cell. The LPN can compile the spatial feedback information into a spatial feedback report. The LPN can send the spatial feedback report from the LPN to a macro node for calculating a beamforming vector to reduce the macro node interference for the plurality of wireless devices in the LPN cell. | 05-09-2013 |
20130130624 | TECHNIQUES FOR MMWAVE WPAN COMMUNICATIONS WITH HIGH-DIRECTIONAL STEERABLE ANTENNAS COMBINING OMNI-DIRECTIONAL TRANSMISSIONS WITH BEAMFORMING TRAINING - An embodiment of the present invention provides a method for communicating in a millimeter wave (MMWAVE) wireless personal area network (WPAN) system using a reliable low-rate omni-directional communications mode implemented as TX-RX space scanning using directional antennas; and using a high-rate directional communications mode with beamformed directional antennas. | 05-23-2013 |
20130163554 | DEVICE, SYSTEM AND METHOD OF MULTI-USER MULTI-INPUT-MULTI-OUTPUT WIRELESS COMMUNICATION - Device, system, and method of multi-user multi-input-multi-output (MIMO) wireless communication. In some embodiments, a wireless communication device ( | 06-27-2013 |
20130194943 | EVOLVED NODE B AND METHOD FOR COHERENT COORDINATED MULTIPOINT TRANSMISSION WITH PER CSI-RS FEEDBACK - An evolved Node B (eNB) and method for coherent coordinated multipoint transmission with per CSI-RS feedback are generally described herein. The eNB may configure a first cooperating point and a second cooperating point to jointly transmit a multi-node channel-state information (CSI) reference signal (RS) (CSI-RS) in predetermined resource elements of a resource block. The eNB may receive CSI reports as feedback from user equipment (UE). The CSI reports may include a precoding matrix indicator (PMI) indicating relative phase information between the cooperating points based on the multi-node CSI-RS. The CSI reports for the multi-node CSI-RS may be restricted to a PMI of rank-1. The eNB may configure the cooperating points for a coherent joint transmission to the UE based at least on the relative phase information. The coherent joint transmission may also be jointly beamformed based on single-node PMIs. | 08-01-2013 |
20130242889 | PHYSICAL UPLINK SHARED CHANNEL (PUSCH) TRANSMISSION TIME INTERVAL (TTI) BUNDLING - Technology for organizing physical uplink shared channel (PUSCH) transmissions is disclosed. One method can include a node generating transmission time interval (TTI) bundling configuration information with instructions to bundle PUSCH transmissions for a hybrid automatic repeat request (HARQ) process in at least 20 TTIs in an approximately 50 subframe time interval in at least one PUSCH TTI bundle. The node can transmit the TTI bundling configuration information to a wireless device to enable the wireless device to transmit a PUSCH signal in the at least one PUSCH TTI bundle within an approximately 50 subframe time interval. | 09-19-2013 |
20130244709 | INTERFERENCE MITIGATION IN THE CONTEXT OF HETEROGENEOUS NETWORKS WITH COORDINATED TRANSMISSION POINTS WITH A COMMON TRANSMISSION POINT IDENTITY - Technology is discussed for extending frequency and time based approaches, such as Inter-Cell Interference Coordination (ICIC) and enhanced ICIC (eICIC), to interference mitigation for clusters within a Wireless Wide Area Network (WWAN) of transmission points with a common transmission point identity. Multiple transmission power messages correlated to different transmission point characteristics can be configured among multiple transmission points sharing the same transmission point identity. These multiple transmission power messages can be used to coordinate transmissions from adjacent transmission points on differing frequencies. Additionally, new sets of reference signals can be configured to correlate to different transmission point characteristics. These new, correlated reference signals can be used to decouple measurements used to provide feedback to one set of transmission points from reference signals transmitted by another set of transmission points with the same transmission point identity. | 09-19-2013 |
20130272461 | DEVICE, SYSTEM AND METHOD OF PROCESSING SINGLE-CARRIER WIRELESS COMMUNICATION SIGNALS - Some demonstrative embodiments include devices, systems and/or methods of processing single-carrier wireless communication signal. For example, a device may include a receiver to receive an analog single-carrier wireless communication signal representing a first plurality of time-domain samples at a first sampling rate; to convert the analog single-carrier wireless communication signal into a digital signal including a second plurality of time-domain samples at a second sampling rate, which is greater than the first sampling rate; to convert the second plurality of time-domain samples into a first plurality of frequency-domain samples; and to map the first plurality of frequency-domain samples into a second plurality of frequency-domain samples at the first sampling rate. | 10-17-2013 |
20130286867 | SIGNAL INTERFERENCE MEASUREMENTS IN A WIRELESS COMMUNICATION NETWORK - Embodiments of the present disclosure describe techniques and configurations for handling interference measurements in a wireless communication network. An apparatus may include computer-readable media having instructions and processors coupled with the computer-readable media and configured to execute the instructions to identify, for a serving eNB, a neighboring eNB for which signal interference measurements are to be performed by one or more wireless devices served by the serving eNB, and request that the neighboring eNB transmit typical interference signals within data units which are configured for, and may or may not have, a scheduled physical downlink shared channel transmission. The wireless devices may be configured to perform the signal interference measurements based at least in part on the typical interference signals, which may include non-zero-power signals or zero-power signals. Other embodiments may be described and claimed. | 10-31-2013 |
20130286997 | WIRELESS COMMUNICATION SYSYTEM WITH COMMON CELL ID - Briefly, in accordance with one or more embodiments, a conventional physical downlink control channel (PDCCH) is transmitted in a first region of a physical downlink control channel structure utilized by a remote radio head that has been assigned a cell identifier that is common to one or more other remote radio heads within the cell, and an enhanced physical downlink control channel (ePDCCH) is transmitted in a second region of the physical downlink control channel structure. | 10-31-2013 |
20130308717 | MILLIMETER-WAVE TRANSCEIVER WITH COARSE AND FINE BEAMFORMING WITH INTERFERENCE SUPPRESSION AND METHOD - Embodiments of millimeter-wave transceivers with coarse and fine beam steering with interference suppression are generally described herein. In some embodiments, a millimeter-wave transceiver configured for multipath reception of multicarrier signals and includes RF circuitry to receive multicarrier signals through at least two independently controllable sub-arrays from first and second directions, a channel-estimation block to generate a set of weighting coefficients for each sub-array based on channel characteristics determined from each sub-array, the weighting coefficients generated for inter-channel interference (ICI) suppression, and maximum-ratio combining (MRC) circuitry to apply a set of the weighting coefficients to baseband signals from each sub-array and to combine the weighted baseband signals from each sub-array to generate combined baseband signals that represent a single data stream. | 11-21-2013 |
20130314280 | MULTI-ELEMENT ANTENNA BEAM FORMING CONFIGURATIONS FOR MILLIMETER WAVE SYSTEMS - Multiple transmit antenna beam formers include/share a same set of power amplifiers and antenna elements to form multiple concurrent transmit antenna beams. Multiple receive antenna beam formers include/share a same set of antenna elements and low noise amplifiers to form multiple concurrent receive antenna beams. A transceiver includes the multiple transmit antenna beam formers and the multiple receive antenna beam formers, where the multiple transmit and receive beam formers include/share the same set of antenna elements. The transmit antenna beam formers and the receive antenna beam formers are configured to transmit, receive, and operate in the millimeter wave frequency band. | 11-28-2013 |
20130336224 | DISTRIBUTED ANTENNA SYSTEM AND METHOD FOR ENHANCED POSITIONING - Embodiments of a distributed antenna system (DAS) and method for enhanced positioning in a wireless network are generally described herein. In some embodiments, an enhanced Node-B (eNB) operates as part of a DAS that includes one or more nodes having the same cell ID as the eNB. The eNB is to transmit a UE-specific reference signal and configure one or more of the other nodes of the cell to transmit UE-specific reference signals that are distinguishable from each other and from the UE-specific reference signal that is transmitted by the eNB. The eNB may receive location estimate information from user equipment (UE) that is determined at least in part from the UE-specific reference signals. The eNB may also configure the nodes to perform cooperative OFDMA transmission techniques for the UEs operating in the cell. | 12-19-2013 |
20140003312 | WAKE-UP FUNCTIONALITY FOR AN LTE ENODEB | 01-02-2014 |
20140022988 | USER EQUIPMENT AND METHOD FOR ANTENNA PORT QUASI CO-LOCATION SIGNALING IN COORDINATED MULTI-POINT OPERATIONS - User Equipment (UE) and methods for antenna port quasi co-location signaling in coordinated multi-point (CoMP) operations are generally described herein. In some embodiments, one or more downlink channels are at least partially offloaded from a serving Evolved Node-B (eNB) to one or more neighbor eNBs. The UE may receive signaling from the serving eNB to indicate a reference signal of a neighbor eNB to use for estimation of one or more large-scale physical-layer parameters associated with the one or more downlink channels provided by one of more of the neighbor eNB. The UE may estimate the one or more large-scale physical-layer parameters based on receipt of the indicated reference signal from the neighbor and serving eNBs. The UE may also apply the estimated one or more large-scale physical-layer parameters for processing the one or more downlink channels from the neighbor and serving eNBs. | 01-23-2014 |
20140038623 | Techniques for Sending or Receiving Channel State Information Reports Associated with a Coordinated Multi-Point Scheme - Examples are disclosed for sending or receiving channel state information (CSI) reports associated with coordinated multi-point (CoMP) schemes. The examples include user equipment (UE) constraining CSI feedback to one or more transmission points implementing a CoMP scheme with the UE. The examples also include a transmission point such as an evolved node B (eNB) triggering CSI feedback and receiving a CSI report in response to the trigger. The CSI report generated based on the UE constraining CSI feedback. Constraining CSI feedback may include the UE generating fewer CSI reports, reusing information between CSI reports or increasing an amount of time allowed for processing and generating CSI reports. Other examples are described and claimed. | 02-06-2014 |
20140057635 | POSITIONING-ASSISTED CELL SELECTION AND HANDOVER FOR LTE - A cell-selection and a cell re-selection process include a wireless device that receives a signal from at least one node of a wireless network. The received signal can be a reference signal, an uplink signal, or a downlink signal, or a combination thereof. Location information of the wireless device is determined based on the received signal and transmitted to the wireless network. Information is received from the wireless network that contains a list of candidate nodes to which the wireless device can connect to the wireless network. The list of candidate nodes comprises a list of macro cell nodes, low-power cell nodes, or a combination thereof. The wireless device searches through the information containing the list of candidate nodes to determine a node for a connection to the wireless network. | 02-27-2014 |
20140086221 | TIMING SYNCHRONIZATION FOR DOWNLINK (DL) TRANSMISSIONS IN COORDINATED MULTIPOINT (CoMP) SYSTEMS - Technology for adjusting a receiver timing of a wireless device in a Coordinated MultiPoint (CoMP) system is disclosed. One method can include the wireless device receiving a plurality of node specific reference signals (RSs) from a plurality of cooperating nodes in a coordination set of the CoMP system. The coordination set includes at least two cooperating nodes. The wireless device can estimate a composite received RS timing from a plurality of received RS timings generated from the plurality of node specific RSs. The received RS timings represent timings from the at least two cooperating nodes. The wireless device can adjust the receiver timing based on the composite received RS timing. A node specific RS can include a channel-state information reference signal (CSI-RS). | 03-27-2014 |
20140148107 | Using Multiple Frequency Bands With Beamforming Assistance in a Wireless Network - A communication device communicates with other communication devices in a wireless network using a first and a second frequency band. In accordance with some embodiments, inter-band beamforming assistance may be provided by the lower frequency band. | 05-29-2014 |
20140177742 | MILLIMETER-WAVE LINE OF SIGHT MIMO COMMUNICATION SYSTEM FOR INDOOR APPLICATIONS - A Multiple-Input Multiple-Output (MIMO) communication system is described. The system may include a transmitting device having at least two transmitting antennae, each of the at least two transmitting antenna is configured to form and/or steer directional beam signals, and a receiving device having at least two receiving antennae. The transmitting device and the receiving device are configured and disposed such that illuminated spots at the receiving device produced by the beam signals of the transmitting antennae are smaller than spatial separation between neighboring receiving antennae and/or resolution spots from the receiving antenna are smaller than spatial separation between the transmitting antennae. | 06-26-2014 |
20140185523 | ASSOCIATION BIASING FOR A HETEROGENEOUS NETWORK (HetNet) - A method for association biasing at a mobile device in a heterogeneous network (HetNet) is disclosed. The method can include the mobile device receiving coordination set information from a macro node in the HetNet. The coordination set information can include at least one low power node (LPN) identifier of at least one LPN. The mobile device can receive a request from the macro node to apply a specified reference signal (RS) biasing. The mobile device can apply the specified RS biasing to an LPN RS measurement derived from a LPN RS received from an LPN having an LPN identifier in the received coordination set information. The mobile device can associate the mobile device with the LPN when the LPN RS measurement with the specified RS biasing exceeds an association threshold. | 07-03-2014 |
20140203969 | APPARATUS, SYSTEM AND METHOD OF STEERING AN ANTENNA ARRAY - Some demonstrative embodiments include apparatuses, devices systems and/or methods of steering an antenna array. For example, an apparatus may include a baseband processor including a plurality of baseband processing chains to process signals to be communicated via a plurality of antenna modules of an antenna array, wherein the baseband processing chains include a plurality of frequency domain delay modules, a frequency domain delay module of the delay modules is to apply a time delay to a signal to be communicated via an antenna module of the plurality of antenna modules. | 07-24-2014 |
20140204846 | APPARATUS, SYSTEM AND METHOD OF WIRELESS BACKHAUL AND ACCESS COMMUNICATION VIA A COMMON ANTENNA ARRAY - Some demonstrative embodiments include apparatuses, systems and/or methods of wireless backhaul and access communication via a common antenna array. For example, an apparatus may include a wireless communication unit to control an antenna array to form one or more first beams for communicating over one or more access links and to form one or more second beams for communicating over one or more backhaul links, the access links including wireless communication links between a wireless communication node and one or more mobile devices, and the backhaul links including wireless communication links between the wireless node and one or more other wireless communication nodes. | 07-24-2014 |
20140204902 | APPARATUS, SYSTEM AND METHOD OF HANDOVER OF A BEAMFORMED LINK - Some demonstrative embodiments include devices, systems and/or methods of handover of a wireless beamformed link. For example, an apparatus may include a wireless communication unit to communicate between a wireless communication node and a mobile device via a beamformed link between the wireless communication node and the mobile device, the wireless communication unit is to determine a handover candidate for handing over the mobile device, based on at least one beamforming parameter of the beamformed link. | 07-24-2014 |
20140206368 | APPARATUS, SYSTEM AND METHOD OF WIRELESS BACKHAUL COMMUNICATION BETWEEN WIRELESS COMMUNICATION NODES - Some demonstrative embodiments include apparatuses, systems and/or methods of wireless backhaul communication between wireless communication nodes. For example, a wireless communication controller may control a wireless communication node to communicate with one or more other wireless communication nodes via one or more backhaul links of a backhaul network over a first frequency band, and to communicate with a control station via a control link over a second frequency band, the first frequency band is higher than the second frequency band. | 07-24-2014 |
20140206406 | APPARATUS, SYSTEM AND METHOD OF ESTABLISHING A WIRELESS BEAMFORMED LINK - Some demonstrative embodiments include devices, systems and/or methods of establishing a wireless beamformed link. For example, an apparatus may include a wireless communication controller to control a first wireless communication device to communicate millimeter-wave (mmWave) signals with a second wireless communication device over a mmWave frequency band, the mmWave signals including signals transmitted according to a plurality of different transmit (Tx) beamforming settings, the wireless communication controller is to control the first wireless communication device to communicate feedback information, which is based on the mmWave signals, over a non-mmWave frequency band, and to control the first wireless communication device to establish with the second wireless communication device a beamformed link over the mmWave frequency band, the beamformed link using a Tx beamforming setting, which is determined based on the feedback information. | 07-24-2014 |
20140210666 | APPARATUS, SYSTEM AND METHOD OF WIRELESS COMMUNICATION VIA AN ANTENNA ARRAY - Some demonstrative embodiments include apparatuses, systems and/or methods of wireless communication via an antenna array. For example, an apparatus may include an antenna array including a plurality of antenna modules arranged along a first axis, an antenna module of the antenna modules including an antenna sub-array coupled to a Radio-Frequency (RF) chain, the antenna sub-array including a plurality of antenna elements arranged along a second axis, the second axis is perpendicular to the first axis, and the RF chain is to process RF signals communicated via the plurality of antenna elements. | 07-31-2014 |
20140219115 | SIGNALING FOR CONFIGURATION OF DOWNLINK COORDINATED MULTIPOINT COMMUNICATIONS - Embodiments of the present disclosure describe devices, methods, computer-readable media, and systems configurations for configuration of downlink coordinated multipoint (CoMP) communications in a wireless communication network. A user equipment (UE) may receive, from an evolved Node B (eNB), a radio resource control (RRC) transmission including channel state informations (CSI) reference signal (RS) parameters for a plurality of transmission points. The UE may subsequently receive a medium access control (MAC) control element (CE) including a plurality of index bits corresponding to one or more activated transmission points of the plurality of transmission points for which the feedback module is to generate CSI-RS feedback. The eNB may dynamically update the transmission points that are activated for CSI-RS feedback. The UE may receive another MAC CE from the eNB to notify the UE of the updated set of activated transmission points. | 08-07-2014 |
20140235287 | APPARATUS, SYSTEM AND METHOD OF TRANSMIT POWER CONTROL FOR WIRELESS COMMUNICATION - Some demonstrative embodiments include apparatuses, systems and/or methods of transmit power control for wireless communication. For example, an apparatus may include a controller to control a plurality of transmit powers of a plurality of directional beams formed by an antenna array to transmit a wireless communication. The controller may control the plurality of transmit powers based on at least first and second power limits, the first power limit including a power density limit corresponding to a power density of a directional beam of the plurality of directional beams, and the second power limit including a total transmit power limit corresponding to a total of the transmit powers. | 08-21-2014 |
20140357319 | BEAMFORMING SYSTEM AND METHOD FOR MODULAR PHASED ANTENNA ARRAY - Generally, this disclosure provides systems and methods for modular antenna array beamforming with controllable antenna module delay for improved beam steering accuracy. A system may include a plurality of antenna modules, each of the antenna modules comprising an array of antenna elements coupled to an RF beamforming circuit, the RF beamforming circuit to adjust phase shifts associated with the antenna elements to generate an antenna beam associated with the antenna module; a delay circuit coupled to each of the antenna modules; and a central beamforming module coupled to each of the delay circuits, the central beamforming module to control the antenna beam associated with each of the antenna modules and further to adjust signal delays associated with the delay circuits, wherein the arrays of antenna elements of the antenna modules combine to operate as a composite antenna beamforming array. | 12-04-2014 |
20150055735 | MULTI-USER MIMO RECEIVER AND METHOD FOR RECEIVING DATA UNITS OVER A WIDEBAND CHANNEL - A multiple-input multiple output (MIMO) receiver includes circuitry to receive a MIMO transmission through a plurality of antennas over a channel comprising two or more 20 MHz portions of bandwidth. The MIMO transmission comprises a plurality of streams, each transmitted over a corresponding spatial channel and configured for reception by multiple user stations. The MIMO receiver also includes circuitry to simultaneously accumulate signal information within at least two or more of the 20 MHz portions of bandwidth. Each 20 MHz portion comprises a plurality of OFDM subcarriers. The MIMO receiver also includes circuitry to demodulate at least one of the steams using receive beamforming techniques. In this way, multi-user protocol data units can be received. | 02-26-2015 |
20150085761 | MILLIMETER-WAVE COMMUNICATION DEVICE AND METHOD FOR INTELLIGENT CONTROL OF TRANSMIT POWER AND POWER DENSITY - Embodiments of a millimeter-wave (mmW) communication device and methods for intelligent control of transmit power and power density are generally described herein. In some embodiments, a mmW base station includes a beamforming processor that is to configure a large-aperture array antenna for multi-beam transmissions at mmW frequencies to a plurality of user equipment (UE). The beamforming processor may allocate each UE a non-interfering spectral portion of a full channel bandwidth that is substantially less than the full channel bandwidth and perform multi-beam beamforming to concurrently direct a plurality of multi-user multiple-input multiple-output (MU-MIMO) antenna beams to the UEs for a concurrent transmission of data streams to the UEs within their allocated spectral portion in accordance with a transmit power allocation. | 03-26-2015 |