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US20100189048 PROACTIVE SCHEDULING METHODS AND APPARATUS TO ENABLE PEER-TO-PEER COMMUNICATION LINKS IN A WIRELESS OFDMA SYSTEM  
Systems, methods and apparatus are provided for scheduling resources in Orthogonal Frequency-Division Multiple Access (OFDMA) communication networks for “direct link” or peer-to-peer...
US20100189046 REACTIVE SCHEDULING METHODS AND APPARATUS TO ENABLE PEER-TO-PEER COMMUNICATION LINKS IN A WIRELESS OFDMA SYSTEM  
Systems, methods and apparatus are provided for scheduling resources in Orthogonal Frequency-Division Multiple Access (OFDMA) communication networks for “direct link” or peer-to-peer...
US20090028100 METHODS AND APPARATUS FOR TRANSMITTER IDENTIFICATION IN A WIRELESS NETWORK  
Methods and apparatus for transmitter identification in a wireless network are disclosed. In an example, a method is provided that encodes pilot information on a first portion of a number of...
US20110274190 Methods to Transmit and Receive For Low Dimensions MIMO Systems  
Methods and apparatus are disclosed for applying successive multi-rank beamforming strategies (e.g., successive precoding strategies) for the design of precoders over a set of parallel channels....
US20110268166 CHANNEL INFORMATION FEEDBACK METHOD AND APPARATUS THEREOF  
A channel information feedback method adapted in a receiving end of a multiuser multiple input multiple output (MU MIMO) system has following steps. A subspace matrix and a magnitude matrix...
US20080101321 SYSTEM AND METHOD FOR CODING WCDMA MIMO CQI REPORTS  
A block coding method and system for improving the reliability of Channel Quality Indicators (CQI) and antenna weight Indicators (AWI) reporting. A user terminal first generates 8-bit CQI and...
US20070230373 Efficient training schemes for MIMO based wireless networks  
Schemes are disclosed for efficiently training MIMO channels in wireless networks. In at least one embodiment, multiple STAs in a network may share a single channel sounding packet to develop...
US20120257660 TECHNIQUES AND SYSTEMS FOR WIRELESS COMMUNICATIONS  
Techniques, apparatus and systems for providing radio frequency wireless communications based on time reversal of the channel impulse response of an RF pulse in a transmission channel between an...
US20090274039 WIRELESS COMMUNICATION DEVICE ADOPTING OFDM MODULATION  
A wireless communication device includes a converting circuit, a discrete Fourier transformer, a separating circuit, a correcting unit. The converting circuit converts an analog signal having an...
US20120263249 MITIGATING INTERFERENCE IN A COMMUNICATION NETWORK  
Aspects relate to mitigating interference in a communication network that does not employ a centralized scheduler. A transmission sent on a subset of resources is evaluated to determine a number...
US20060133455 Multiple modulation technique for use in a communication system  
A method for receiving an indication to apply a first modulation scheme to modulate one or more segments of the first portion; determining a first segment set, having at least one segment of the...
US20100290548 WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD  
When power scaling is applied to multi-user MIMO, a reduction in transmission rate is suppressed and transmission efficiency is improved. When signals are transmitted through spatial multiplexing...
US20090116571 TRANSMITTER, RECEIVER, AND COMMUNICATION METHOD  
A transmitter, a receiver and a communication method enabling improvement of the data rate of an MIMO system. One signal x2 out of the three signals is combined with the other two signals x1, x3...
US20110051827 METHOD AND APPARATUS FOR TRANSMITTING PILOT IN WIRELESS COMMUNICATION SYSTEM  
A method and apparatus for transmitting a pilot in a wireless communication system is provided. A pilot generating unit generates the pilot. A transmission circuitry transmits the pilot and a...
US20140198866 WIRELESS COMMUNICATION DEVICE  
A wireless communication device communicates with, using a plurality of antennas, a communication partner device including a plurality of antennas. The wireless communication device includes a...
US20110268203 Techniques for Decoding Transmitted Signals Using Reactive Taboo Searches (RTS)  
Techniques for enabling an estimate of a transmitted signal vector, given a received signal vector and a channel matrix to be computed, are provided. An initial solution signal vector for the...
US20150003543 SUBSPACE TRACKING IN FULL DIMENSION MIMO  
Disclosed in some examples are methods, systems, devices, and machine readable mediums which reduce the amount of bandwidth consumed by the reference signals. In some examples, this is achieved by...
US20110110444 METHOD OF RESOURCE BLOCK (RB) BUNDLING  
A method of sizing bundled resource blocks (RBs) having at least one user equipment (UE)-specific demodulation reference signal in an orthogonal frequency division multiplexing (OFDM) system is...
US20100232529 METHOD FOR APPROXIMATING AND OPTIMIZING GAINS IN CAPACITY AND COVERAGE RESULTING FROM DEPLOYMENT OF MULTI-ANTENNAS IN CELLULAR RADIO NETWORKS  
A method is provided for planning and optimizing the configuration of a radio access network which comprises base stations and receivers and employs a mobile radio technology that allows and/or...
US20080260058 METHOD AND APPARATUS FOR PRECODING VALIDATION IN WIRELESS COMMUNICATIONS  
A method and apparatus for precoding validation in wireless communications with reduced error probability is disclosed. Error probability is reduced by applying phase rotations to precoding...
US20130195161 Method and Arrangement in a Wireless Communication System  
The invention relates to methods and arrangements for rank adaptation for transmissions over a multipie-input-muttipie-output, M1MO, channel in a wireless communications system. A receiving node...
US20090154579 QR DECOMPOSITION APPARATUS AND METHOD FOR MIMO SYSTEM  
Provided is a QR decomposition apparatus and method that can reduce the number of computers by sharing hardware in an MIMO system employing OFDM technology to simplify a structure of hardware. The...
US20110188587 MIMO RELATED SIGNALING IN WIRELESS COMMUNICATION  
Certain aspects of the present disclosure relate to techniques for multiple-input multiple-output (MIMO) related signaling in a wireless communication system. In an aspect, a method for wireless...
US20090225813 WEIGHT VECTOR CALCULATION UNIT FOR BEAMFORMING USING RECEIVED AND/OR INTEGRATED SIGNAL WITHOUT TRAINING SIGNAL  
Disclosed is a weight vector computing unit using a symbol-rate, a chip-rate and/or a mixed-rate in a Smart Antenna System. The weight vector computing unit is useful in a wireless communication...
US20070201573 SYSTEM FOR VARIABLE FORWARD ERROR CORRECTION IN A MULTIPOINT TO POINT ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM  
Systems for variable forward error correction in a multipoint to point orthogonal frequency division multiplexing system are provided. In one embodiment, bidirectional communication system...
US20070025454 Interference mitigation for orthogonal frequency division multiplexing communication  
An Orthogonal Frequency Division Multiplex (OFDM) communication system comprises OFDM transmitters (103-109) and an OFDM receiver (101). The system comprises a subcarrier status data controller...
US20060109923 Subcarrier cluster-based power control in wireless communications  
Devices, systems and techniques to monitor signal fading based on a cluster of subcarriers at a receiver and feedback monitored signal fading to a transmitter in wireless communication systems...
US20110051826 Method for efficiently performing MULTI-BS MIMO operation in a broadband wireless access system  
A method for determining temporary Base Station (BS) Identifiers (IDs) to efficiently set a multi-BS Multiple Input Multiple Output (MIMO) transmission mode and an apparatus for implementing the...
US20100227612 CELL DETECTION FOR MOBILE LOCATION WITH GROUPING DIVERSITY  
Systems and methodologies are described that facilitate transmitting pilot signals over resources selected based on a dynamic variable common to a wireless network. The resources can also be...
US20080219366 COMBINED RATE AND PRECODER DESIGN FOR SLOW FADING CORRELATED MIMO CHANNELS WITH LIMITED FEEDBACK  
System and methodologies are provided herein for joint rate, precoder, and feedback design adaptation and optimization for wireless communication systems. An optimization component as provided...
US20090129492 TRANSMITTER, COMMUNICATION SYSTEM AND TRANSMISSION METHOD  
A transmitter employing an OFDM system, including a phase rotating portion which gives a same phase rotation amount to each group configured with a plurality of consecutive subcarriers modulated...
US20090116569 Bi-Directional Beamforming Multiple-Input Multiple-Output Wireless Communication  
Techniques are provided herein to configure first and second wireless communication devices in order to perform bi-directional beamformed multiple-input multiple-output (MIMO) communication. Each...
US20100080137 Primary and Secondary Associations for Improving Cell Edge Performance in Cellular Networks  
Embodiments of the invention provide a method to efficiently enable Network MIMO for use in the downlink direction. An association is established between a primary NodeB in a first cell and a...
US20080304440 Terminal and Method for Accessing Wireless Connection  
A method for establishing a wireless connection performed by a subscriber station (SS) to receive Internet services from a given terminal node through a base station (BS), the method including: a)...
US20120045003 COMMUNICATION STATION AND METHOD FOR EFFICIENTLY PROVIDING CHANNEL FEEDBACK FOR MIMO COMMUNICATIONS  
Embodiments of a communication station and methods for efficiently providing channel feedback for MIMO communications over an OFDM channel are generally described herein. In some embodiments,...
US20090168907 OFDMA based communication system  
In an Orthogonal Frequency Division Multiple Access communication system, the location of one- and two-dimensional bursts may be specified by specifying the starting location of the plurality of...
US20080075179 Power collection based adaptive length equalizer  
A baseband processing module of a Radio Frequency receiver produces time domain equalizer coefficients and calculates a power threshold based upon a total power of a plurality of taps of the time...
US20100034186 PEAK-TO-AVERAGE POWER RATIO (PAPR) REDUCTION SCHEME FOR WIRELESS COMMUNICATION  
Techniques for sending a transmission in a manner to reduce peak-to-average power ratio (PAPR) of the transmission are described. A transmitter may select phases for a plurality of resource blocks...
US20080037662 DIGITAL TRANSMITTER AND METHODS OF GENERATING RADIO-FREQUENCY SIGNALS USING TIME-DOMAIN OUTPHASING  
Embodiments of a multicarrier transmitter and method of generating an RF signal for transmission are generally described herein. Other embodiments may be described and claimed. In some...
US20080273612 Codebook Method for A Multiple Input Multiple Output Wireless System  
A method for wireless encoding includes encoding wireless multiple input and multiple output signals in accordance with a codebook being one of a discrete codebook restricting elements of codebook...
US20080186891 Method and Device For Operating of Two Wireless Services  
The invention relates to a method and a device for operation of two wireless services whereas a first service is broadcasting signals within burst with known time distances between the bursts and...
US20100034183 Flexible WLAN/WPAN system with high throughput  
Flexible WLAN/WPAN system with high throughput. A medium access controller (MAC), that is capable to be implemented within a communication device, is operative in accordance with any one of a...
US20140254697 Upstream Pilot Structure In Point To Multipoint Orthogonal Frequency Division Multiplexing Communication System  
A central access network unit comprising a processor configured to assign a plurality of upstream training blocks from an upstream OFDM symbol to a plurality of downstream network units, wherein...
US20090316589 Method of Determining True Error Vector Magnitude in a Wireless Lan  
Systematic transmit IQ phase and amplitude imbalances in the transmit chain of a wireless local area network (WLAN) cause a corresponding systematic shift in the roots of a constellation diagram....
US20090074089 CQI REPORTING TECHNIQUES FOR OFDMA WIRELESS NETWORKS  
Various embodiments of the invention may use bitmaps to communicate channel quality index (CQI) information for multiple sub-channels in an orthogonal frequency division multiple access (OFDMA)...
US20080310486 PRAGMATIC ADAPTIVE MRC AND MMSE MIMO-OFDM RECEIVER ALGORITHM  
An adaptive receiver algorithm is disclosed, for use in MIMO-OFDM systems. The adaptive receiver algorithm selectively chooses either the MRC technique or the MMSE technique, for optimum receiver...
US20150146770 CHANNEL ESTIMATING METHOD FOR FBMC TELECOMMUNICATION SYSTEM  
The invention relates to a channel estimating method for an FBMC telecommunication system. The disclosed estimating method uses the signal before it is filtered by the analysis filter bank....
US20110150115 PILOT SUBCARRIERS IN WIRELESS TRANSMISSIONS  
An integrated circuit includes logic configured to encode pilot signals in a first set of subcarriers of an orthogonal frequency division multiplexing (“OFDM”) symbol and in a second set of...
US20100296596 Wireless Communication Apparatus And Method For Wireless Communication  
A wireless communication technology which realizes high-speed transmission while making effective use of existing frequency bands. A wireless communication apparatus includes a communication unit...
US20060165197 Synchronous follow-up device and method  
A replica generation section 103 performs multicarrier demodulation of a known signal of a received signal and generates a replica. A delay profile generation section 104 calculates a correlation...