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8483301 Multitone signal synchronization  
In one embodiment, a method to generate a set of tone frequencies within an operating frequency range for use in a timing acquisition process in a wireless communication system comprises selecting...
8483260 Covariance factor matrix reuse  
A method and apparatus for reducing the computational load associated with computing weighting factors for wireless signals received at a wireless receiver is disclosed herein. The method and...
8477803 Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss  
In a RF communications system, aspects for implementing a single weight single channel MIMO system with no insertion loss may comprise generating at least one control signal that is utilized to...
8477866 Calibration method for Tx/Rx path characteristic of channel sounder  
The method includes performing a wired back-to-back test by forming M wired paths connecting one of the N transmission antennas with the M reception antennas through M cables, separating ith...
8477858 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion  
Techniques to process data for transmission over a set of transmission channels selected from among all available transmission channels. In an aspect, the data processing includes coding data based...
8477883 Maximum likelihood decoding method, equipment, and receiver  
Provided is a maximum likelihood decoding method of separating and estimating multiple transmitted signals transmitted by multiple transmitter antennas from multiple received signals received by...
8477893 Multi-rake receiver  
A receiver includes a select module, an enable module, and a receiver module. The select module is configured to detect (i) a number of antennas in the receiver, or (ii) a number of enabled...
8477882 Radio apparatus  
An RF unit receives multicarrier signals via a plurality of antennas. A division unit divides the multicarrier signals received into a plurality of groups in the frequency domain. The division unit...
8472546 Method of data transmission in multiple antenna system  
A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword...
8472335 Selecting transmission technology for communications in wide area mobile networks  
Method and RNC for selecting transmission technology when a UE enters the network, which checks whether the UE is MIMO and, if so and only one carrier is available, allocates its traffic to said...
8472549 Base station, multi-antenna communication system and communication method thereof  
A User equipment selecting first user equipment in a mode of precoding transmission and second user equipment in a mode of diversity transmission; a parameter determining a modulation mode, the...
8472570 Method and system for communication in a wireless network  
The present application discloses a number of inventions directed to method(s), apparatus and/or networks and systems adapted to track time varying channels, adapted to synchronize packets arriving...
8472566 Apparatus and method for transmitting pilot signal in wireless communication system  
An apparatus and method for reducing pilot overhead in a multi-antenna system are provided. The method generates postcodes and pre-codes for streams used to transmit signals to at least two...
8472912 Low-complexity diversity using preequalization  
A diversity receiver includes a first RF front end module for receiving a first RF signal, and frequency converting the first RF signal and outputting a first diversity signal, a second RF front...
8472543 Method and system for predicting channel quality index (CQI) values for maximum likelihood (ML) detection in a 2×2 multiple input multiple output (MIMO) wireless system  
Aspects of a method and system for predicting CQI values for ML detection in a 2×2 MIMO system are presented. In one aspect of the system, a CQI value for a MIMO communication system may be ...
8472548 Radio base station apparatus and method for selecting modulation and coding scheme  
Provided is a radio base station apparatus capable of selecting an optimal modulation and coding scheme for each transmission stream easily. The radio base station apparatus has a CQI information...
8472536 Method of controlling in a wireless communication system having multiple antennas  
A method of controlling interference in a wireless communication system is disclosed. A method for controlling interference by a transmitter of a wireless communication system with multiple...
8472502 Transmitting and receiving schemes for multiuser single-carrier space time spreading with frequency domain equalization  
Examples are disclosed for transmitting and receiving schemes for multiuser single-carrier space time spreading (STS) with frequency domain equalization.
8472542 Method, apparatus, and system for signal transmission  
Embodiments of the present invention provide a method, an apparatus, and a system for signal transmission. The method includes: obtaining, by a base station, a high-power precoding matrix and a...
8467484 Reception control method and wireless communication apparatus  
When receiving a signal from the antenna #1 (initially receiving a signal from an omnidirectional antenna), a guard interval correlator 12 calculates correlation of a guard interval portion of the...
8467470 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...
8467462 Multicarrier receiving apparatus, multicarrier communication system and demodulation method  
To suppress effects produced on other terminals as much as possible, while obtaining the advantage of soft-combining. A multicarrier receiving apparatus that receives a packet comprised of at least...
8467439 Adaptively switching equalization operations in a node of a wireless network  
At a node of a wireless network, equalization operations performed on signals received from a transmitter are adaptively switched to be equalized by an iterative turbo receiver or a linear...
8467485 Smart antenna solution for mobile handset  
A mobile terminal with smart antennas, comprises a plurality of groups of radio frequency signal processing modules (300), for transforming received multi-channel radio frequency signals to...
8467471 Coding and modulation selecting method and wireless communication equipment  
Disclosed herewith is a radio communication apparatus capable of selecting proper one of plural communication modes such as a MIMO communication system so as to obtain a higher communication rate...
8467469 Method and user equipment for transmitting precoding matrix information, and method and base station for configuring precoding matrix  
An apparatus and method for a precoding matrix are disclosed. A codebook used for selecting a precoding matrix is comprised of m subgroups each including n precoding matrices. A user equipment...
8462887 Receiver employing selectable A/D sample clock frequency  
A receiver is set forth that includes a tuner circuit and a converter circuit. The tuner circuit provides an analog signal corresponding to a modulated signal that is received on a selected...
8462689 Receiver for time division multiplex system without explicit time slot assignment  
A technique for a time division multiplex system in which access to shared broadcast communication media is granted on a demand basis. Particular connections are assigned slot times at the...
8463177 Mobile communication system with moving base station  
A mobile communication system employs moving base stations moving in the direction of flow of traffic moving along a roadway. The moving base station communicates with fixed radio ports connected...
8462900 Reception device, integrated circuit, and reception method  
An OFDM demodulation unit 13 transforms transmission signals in the time domain into demodulation vectors Y in the frequency domain; an equalization unit 14 estimates channel response vectors H′ b...
8462871 Method and system for retransmitting data packets in a space-time coded radio communication system  
A method and system are provided for minimizing errors by retransmitting packets in a multiple-input-multiple-output (MIMO) space-time coded packet radio. A packet is transmitted using a first STC...
8462889 Oversampling digital receiver for radio-frequency signals  
A system and method for receiving a RF signal, comprising a device for digitizing, without prior alteration of frequency, an analog RF representation of each of a plurality of RF signals to produce...
8463221 Method and system for wireless local area network (WLAN) phase shifter training  
Aspects of a method and system for wireless local area network (WLAN) phase shifter training are presented. Aspect of the system may enable a receiving station, at which is located a plurality of...
8462899 Multi-user detecting method and device of OFDM transmission signal  
A method and device for multi-user detecting of an OFDM transmission signal are provided. The method includes: combining received signals, at corresponding time-frequency symbol positions in all of...
8457174 Spread spectrum wireless communication code for data center environments  
A technique for wirelessly transmitting management data without cables in a data center is provided. Management data is obtained at a device in the data center. A wireless management data signal is...
8457244 Antenna and radio arrangement  
The present invention relates to an antenna and radio arrangement comprising at least a first antenna and a second antenna, each having a first antenna port and a second antenna port, the...
8457264 Radio receiver having a diversity antenna structure  
A radio receiver includes a first diversity antenna structure, a second diversity antenna structure, a first RF receiver section, a second RF receiver section, a combining module, and a baseband...
8457236 Feedback strategies for multi-user MIMO communication systems  
A method for signal processing in a receiver includes receiving in the receiver a Multi-User Multiple-Input Multiple-Output (MU-MIMO) signal. The MU-MIMO signal includes at least a first signal,...
8451946 Method of coding and decoding a pulse signal, in particular an UWB-IR signal, and corresponding devices  
A method is for decoding a pulse signal modulated through a transmitted reference modulation scheme. The modulated pulse signal may include, repetitively, a reference pulse followed by an...
8452334 Method of precoding with a codebook for a wireless system  
A quantized multi-rank beamforming scheme for multiple-antenna systems such as a multiple-input-multiple-output (MIMO) wireless downlink. User equipment (UE) estimates downlink channel and transmit...
8451930 Sparse channel estimation using order extension for frequency and time selective MIMO wireless communication networks  
A channel matrix is estimated for a channel subject to frequency and time selective fading in a multiple-input multiple-output (MIMO) wireless communication network. The method uses a recursive...
8446998 Multiple antenna receiver system and method  
A technique for processing received signals in multiple-antenna systems. Received signals from the different antennas may be amplified by a Low Noise Amplifier (LNA) and time-multiplexed by a...
8446968 OFDM receiving apparatus and mode detecting method thereof  
Provided are an orthogonal frequency division multiplexing (OFDM) receiving apparatus and a mode detecting method thereof. The mode detecting method includes: detecting a first mode of a received...
8446973 Transmission and reception apparatus and method  
A transmission apparatus includes a plurality of orthogonal frequency division multiplexing (OFDM) modulation signal generators, which generate a first OFDM modulation signal and a second OFDM...
8446975 Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas  
This invention teaches to the details of an interference suppressing receiver for suppressing intra-cell and inter-cell interference in coded, multiple-access, spread spectrum transmissions that...
8446972 Communication system, reception device, and communication method  
A reception device which communicates with a transmission device including multiple transmission antennas, the reception device including: at least one reception antenna which receives multiple...
8446999 Receiving apparatus and communication system  
A receiving antenna diversity effect is improved by equalizing the likelihood while exchanging the likelihood among a plurality of equalizers. A receiving apparatus (300) which receives radio...
8442139 Apparatus and method for transmitting and receiving in a multi-antenna system  
Apparatuses and methods for transmitting and receiving in a multi-antenna system are provided. A receiver for reducing a quantization error of channel information feedback in a multi-antenna system...
8442141 Opportunistic beamforming in a wireless communication system  
A method for processing a preamble of a data unit transmitted via a communication channel includes receiving a signal via a plurality of antennas, applying a plurality of distinct steering vectors...
8442144 Closed loop feedback system for improved down link performance  
A method includes receiving from a first station at a second station at least two space-time coded signals in respective formed beams of a multi-beam antenna array associated with the first...