Patent application number | Description | Published |
20110159801 | DISTRIBUTED SIMULTANEOUS TRANSMIT AND RELAY SYSTEM - Briefly, in accordance with one or more embodiments, a distributed simultaneous transmit and receive system implements relaying without incurring the additional overhead associated with relaying and without requiring additional isolation techniques to isolate the transmit and receive circuits of the relay stations. During a first transmission resource, a base station transmits to a first relay station while a second relay station transmits to one or more mobile stations associated with the second relay station. During a second transmission resource, the base station transmits to the second relay station while the first relay station transmits to one or more mobile stations associated with the first relay station. | 06-30-2011 |
20150303958 | WIRELESS INTERFERENCE MITIGATION - Embodiments relate to apparatus for wireless interference mitigation within a first User Equipment (UE). The apparatus comprises at least one channel estimator for estimating a first channel transfer function associated with a first received signal designated for the first UE, and for estimating a second channel transfer function associated with a second received, interference, signal. A symbol estimator is responsive to the at least one channel estimator to process at least the first received signal to produce a symbol estimation. A demodulator, which is responsive to the channel estimator, demodulates the symbol estimation to an output representing a received data unit corresponding to the symbol estimation. The demodulator has a processing unit arranged to demodulate the symbol estimation using the first channel transfer function, the second channel transfer function and a respective modulation scheme for at least the first received signal. | 10-22-2015 |
20150341817 | RANK INDICATOR INHERITANCE FOR SUBFRAME RESTRICTED CHANNEL STATE INFORMATION REPORTING - Generally, this disclosure provides devices, systems and methods for subframe restricted Channel State Information (CSI) reporting with Rank Indicator (RI) inheritance. A User Equipment (UE) device may include an RI generation module to generate RIs based on a received CSI configuration from an evolved Node B (eNB) of a serving cell of the UE. The UE may also include an RI Reference Process CSI generation module to generate a first Reference CSI including a first selected RI of the generated RIs, the first selection based on a first subframe set of the received CSI configuration, and to generate a second Reference CSI including a second selected RI of the generated RIs, the second selection based on a second subframe set of the received CSI configuration. The UE may further include a Linked Process CSI generation module to generate a linked CSI including an inherited RI from the first Reference CSI. | 11-26-2015 |
Patent application number | Description | Published |
20090052566 | METHOD FOR CHANNEL ESTIMATION USING RECURSIVE FILTERING AND MULTICARRIER RECEIVER WITH INTERFERENCE-AWARE DEMODULATION - Embodiments of a multicarrier receiver with interference-aware demodulation and methods for channel estimation using recursive filtering in wireless networks are generally described herein. Other embodiments may be described and claimed. In some embodiments, orders of a recursive filter are allocated to track a main channel and one or more interfering channels to generate channel estimates. | 02-26-2009 |
20090059860 | SCHEDULER AND METHOD FOR ALLOCATING TIME AND FREQUENCY DIMENSIONS OF DOWNLINK BURSTS IN BROADBAND WIRELESS ACCESS NETWORKS - Embodiments of a scheduler and a method for assigning frequency and time dimensions of downlink bursts in broadband wireless access networks are generally described herein. Other embodiments may be described and claimed. In some embodiments, the frequency and time dimensions of downlink bursts are assigned to each of a plurality of subscriber stations based on one or more individual channel characteristics and one or more individual data requirements associated with the subscriber stations. | 03-05-2009 |
20090219903 | MILLIMETER-WAVE REFLECTOR ANTENNA SYSTEM AND METHODS FOR COMMUNICATING USING MILLIMETER-WAVE SIGNALS - Embodiments of millimeter-wave chip-array reflector antenna system are generally described herein. Other embodiments may be described and claimed. In some embodiments, the millimeter-wave chip-array reflector antenna system includes a millimeter-wave reflector to shape and reflect an incident antenna beam and a chip-array antenna comprising an array of antenna elements to direct the incident antenna beam at the surface of the reflector to provide a reflected antenna beam. | 09-03-2009 |
20090315794 | MILLIMETER-WAVE CHIP-LENS ARRAY ANTENNA SYSTEMS FOR WIRELESS NETWORKS - Embodiments of chip-lens array antenna systems are described. In some embodiments, the chip-lens array antenna systems ( | 12-24-2009 |
20100033390 | MILLIMETER-WAVE COMMUNICATION SYSTEM WITH DIRECTIONAL ANTENNA AND ONE OR MORE MILLIMETER-WAVE REFLECTORS - Embodiments of millimeter-wave communication systems and methods for communicating using millimeter-waves are described. In some embodiments, a directional antenna ( | 02-11-2010 |
20100150079 | METHOD AND APPARATUS FOR SUPPRESSING CO-CHANNEL INTERFERENCE - System and method for interference reduction in a broadband wireless access (BWA) network are disclosed. A mobile station performs a recursive process to update channel estimates of interfering channels on a symbol-by-symbol basis for use in canceling interference from data subcarriers received through two or more antennas. | 06-17-2010 |
20100156721 | MILLIMETER-WAVE INDOOR WIRELESS PERSONAL AREA NETWORK WITH CEILING REFLECTOR AND METHODS FOR COMMUNICATING USING MILLIMETER-WAVES - Embodiments of an indoor millimeter-wave wireless personal area network and method are described. In some embodiments, a directional antenna ( | 06-24-2010 |
20130288728 | 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. | 10-31-2013 |
20130329594 | METHODS, APPARATUSES, AND SYSTEMS FOR FLEXIBLE RANK ADAPTATION IN A WIRELESS COMMUNICATION NETWORK - In various embodiments, a first base station may communicate with a first user equipment (UE) over a wireless communication channel. The first base station may receive an interference indication from a second base station communicating with a second UE on the same wireless communication channel. In response to the interference indication, the first base station may transmit a request to the first UE for the first UE to send feedback information associated with the wireless communication channel to the first base station for one or more transmission ranks specified by the first base station. The first UE may determine the requested feedback information and transmit the determined feedback information to the first base station. Thereafter, the first base station may reduce a transmission rank of ongoing transmissions to the UE based on the interference indication and the determined feedback information. | 12-12-2013 |
20130336269 | LINK ADAPTATION IN COORDINATED MULTIPOINT SYSTEM - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for link adaptation within coordinated multipoint systems. In various embodiments, a mobile terminal may determine link adaptation feedback information and feed back the information to a base station. The base station may adjust a channel quality indicator of the link adaptation feedback information based on loading of nodes within a coordinated multipoint measurement set. Other embodiments may be described and/or claimed. | 12-19-2013 |
20130344909 | COORDINATED MULTIPOINT (CoMP) INTERFERENCE NOISE ESTIMATION - A noise and interference estimator and method for estimating noise and interference in a coordinated multipoint (CoMP) system at a mobile communication device is disclosed. The method comprises the operation of receiving a channel state information reference signal (CSI-RS) from a serving transmitting station at a user equipment (UE). Resource elements (REs) occupied by the CSI-RS of the serving transmitting station are muted on cooperating transmitting stations in the CoMP system. The operation of estimating a non-cooperating interference noise covariance matrix from the CSI-RS transmitted by the serving transmitting station follows. | 12-26-2013 |
20140003324 | TRANSMISSION POINT INDICATION IN COORDINATED MULTI-POINT SYSTEM | 01-02-2014 |
20140010159 | MULTI-STREAM JOINT TRANSMISSION SCHEME FOR WIRELESS COMMUNICATION NETWORK - Embodiments herein provide a wireless communication system including a user equipment (UE) and a plurality of base stations (e.g., evolved NodeBs (eNBs)). The UE may generate feedback information based on channel conditions between the UE and two or more of the plurality of base stations. The UE may transmit the feedback information to one or more of the base stations. Two or more of the plurality of base stations may contemporaneously send different data streams to the UE, the data streams having properties based at least in part on the respective feedback information. The UE may decouple and decode the data streams from the two or more base stations using multi-antenna techniques. | 01-09-2014 |
20140072078 | DEVICE, SYSTEM AND METHOD OF WIRELESS COMMUNICATION UTILIZING ONE OR MORE ANTENNA ARRAYS - Some demonstrative embodiments include devices, systems and/or methods of wireless communication utilizing one or more antenna arrays. For example, a device may include a controller to control one or more antenna arrays for reception of a wireless transmission from a wireless communication device, the controller may be configured to control the one or more antenna arrays to form a beam directed in a first beam direction for receiving the wireless transmission, and to form a second beam to search for at least one second beam direction, different from the first beam direction, to compare the second beam direction to the first beam direction based on at least one predefined criterion, and, based on the comparison, to steer the first beam to the second beam direction for receiving the wireless transmission. | 03-13-2014 |
20140126620 | APPARATUS, SYSTEM AND METHOD OF BEAM SELECTION FOR BEAMFORMED DIVERSITY WIRELESS COMMUNICATION - Some demonstrative embodiments include devices, systems and/or methods of beam selection for beamformed communication. For example, an apparatus may include a controller to control a plurality of antenna subarrays to form a plurality of directional beams for communicating a beamformed diversity wireless transmission over a plurality of selected directional links, which are selected based on at least one predefined selection metric. | 05-08-2014 |
20150146545 | HANDLING SIGNAL QUALITY MEASUREMENTS IN A WIRELESS COMMUNICATION NETWORK - Embodiments of the present disclosure describe techniques and configurations for handling signal quality measurements by a wireless device in a wireless network environment, particularly in a coordinated transmission environment. An apparatus way include computer-readable media having instructions and one or more processors coupled with the media and configured to execute the instructions to generate a power parameter corresponding to a power adjustment associated with a reference signal, provide the reference signal generated based in part on the generated power parameter to a wireless device, and provide the power parameter to transmission points operating in the coordinated transmission environment. Each of the transmission points may be configured to communicate the power parameter to the wireless device, and the wireless device may be configured to determine, based at least in part on the power parameter, a power characteristics associated with a channel in which the reference signal is provided. | 05-28-2015 |
20150222333 | APPARATUS, SYSTEM AND METHOD OF BEAM SELECTION FOR BEAMFORMED DIVERSITY WIRELESS COMMUNICATION - Some demonstrative embodiments include devices, systems and/or methods of beam selection for beamformed communication. For example, an apparatus may include a controller to control a plurality of antenna subarrays to form a plurality of directional beams for communicating a beamformed diversity wireless transmission over a plurality of selected directional links, which are selected based on at least one predefined selection metric. | 08-06-2015 |
20150311962 | APPARATUS, SYSTEM AND METHOD OF MULTI-INPUT-MULTI-OUTPUT (MIMO) BEAMFORMED COMMUNICATION WITH SPACE BLOCK CODING - Some demonstrative embodiments include devices, systems and/or methods of beamformed communication with space block coding. For example, an apparatus may include a controller to control a plurality of antenna subarrays to form a plurality of directional beams directed in a plurality of different directions for communicating a multi-input-multi-output (MIMO) wireless transmission, which is encoded according to a space-block coding scheme. | 10-29-2015 |