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8611960 Transmitting and receiving method, and radio apparatus utilizing the same  
A processing unit transmits, from at least one of a plurality of antennas, data corresponding respectively to the plurality of antennas. A control unit generates request signals with which to let a...
8611480 Optimal decoding of transmit diversity code with varying channel characteristics  
Systems and methods are provided for decoding a signal vector in a transmit diversity scheme for varying channels. Information obtained in more than one symbol period are treated as a single...
8611472 Carrier frequency offset estimation scheme, for digital standards with MPSK modulated preamble  
A receiver for reducing acquisition time of a Carrier Frequency Offset (CFO) of an input intermediate frequency (IF) signal with M-PSK modulated preamble using spectral based analysis is provided....
8611451 Precoder coefficient optimization method and apparatus for communications systems  
A method of operation in a receive circuit is disclosed. The method comprises entering an initialization mode followed by receiving training data from a lossy signaling path. The training data...
8611447 Feedback and user scheduling for multi-user multiple input multiple output (MU-MIMO) system  
Some of the embodiments of the present disclosure provide a method comprising selecting, by a user equipment (UE), a preferred interference precoding matrix from a plurality of candidate precoding...
8605804 Method of channel estimation and a channel estimator  
The method includes receiving a signal comprising a symbol-carrier matrix, the symbol-carrier matrix including a predetermined pattern of pilot symbols, and determining first channel estimates at...
8605805 Receiver, channel state information compressing method, and computer program  
A receiver receives a signal from a transmitter via communication channels, informs the transmitter of channel state information, and includes a channel correlation value computation unit that...
8605843 Method and apparatus for signal acquisition in OFDM receivers  
A method and apparatus for signal acquisition in an OFDM receiver relies on a preamble training sequence to synchronize the receiver in time (e.g. determining the start of a frame) and in frequency...
8605812 Wireless feedback system and method  
A codebook C is provided in a MIMO transmitter as well as a MIMO receiver. The codebook C will include M codewords ci, where i is a unique codeword index for each codeword ci. Each codeword defines...
8605838 Interferer parameter estimation method and apparatus  
Interference is estimated in an Orthogonal Frequency Division Multiplexing system by receiving at a wireless receiver pilot symbols and data symbols transmitted in time and frequency via resource...
8606196 Reconfigurable diversity receiver  
A method may include reconfigurably enabling one of a first downconverter and a second converter and disabling the other the second downconverter, wherein the first downconverter and the second...
8605841 Method for processing received OFDM data symbols and OFDM baseband receiver  
A method is provided for processing received data symbols in an orthogonal frequency division multiplexing (OFDM) transmission scheme, and an OFDM baseband receiver which performs this method, in...
8605809 Method and apparatus for using factorized precoding  
According to one or more aspects, the teachings herein improve user equipment (UE) Channel State Information (CSI) feedback, by letting the precoder part of a CSI feedback report comprise...
8599951 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Feed-forward control signaling and decoding schemes
 
Systems and methods for conveying wireless transmission allocation information are disclosed. In accordance with one method, an index indicating selected data stream parameters is received. In...
8599955 System and method for distinguishing between antennas in hybrid MIMO RDN systems  
A system for distinguishing between any one of a plurality of antennas in a multiple-input-multiple-output (MIMO) system having an augmented number of antennas is provided herein. The system...
8594220 Code books for multiple-input and multiple-output communication systems  
A method and device for transmitting and receiving data. A device comprises a code book and a transmitter. The code book comprises a plurality of codewords, wherein the plurality of codewords...
8594210 Method and apparatus for positioning an FFT-window in an OFDM-receiver  
Methods for positioning an FFT-window in an OFDM-receiver are disclosed as well as electronic apparatuses and computer program products for performing the methods. The method comprises determining...
8594221 Model-based channel estimator for correlated fading channels and channel estimation method thereof  
A model-based channel estimator for correlated fading channels adapted to a multiple-input multiple-output (MIMO) system, estimates a coefficient vector of a channel matrix for a given angle of...
8594218 Method of transmitting a precoding matrix in a multi-input multi-output (MIMO) system  
A method of transmitting a precoding matrix in a multi-input, multi-output (MIMO) system is disclosed. In the system, a receiving end determines feedback information by calculating each diagonal...
8594235 Apparatus and method for transmitting data using transmission diversity in wireless communication system  
An apparatus for transmitting data in a wireless communication system is provided. The apparatus includes a data processor for generating modulation symbols by coding information bits and by...
8594050 Techniques to control wireless personal area networks  
Techniques to control wireless personal area networks are described. An apparatus may include a radio coordinator module operative to receive a transmit data flow having media information and...
8594219 Transposed structure for cyclic delay diversity (CDD) based precoding  
Systems and methodologies are described that facilitate applying cyclic delay diversity (CDD) and precoding to wireless transmissions. In particular, data vectors to be transmitted to a number of...
8594257 Method and apparatus for frequency tracking in a space time transmit diversity receiver  
A system and method for obtaining a frequency error estimate representing the difference between a reference frequency and the frequency of a space-time transmit diversity signal is disclosed. The...
8594256 Low power, multi-chip diversity architecture  
A multi-chip antenna diversity architecture includes a first receiver chip including a first tuner, and a first demodulator directly connected to the tuner. The first demodulator demodulates the...
8594251 Long-term drift mitigation for radio frequency receivers utilizing a free-running crystal  
Embodiments of a receiver for using a first oscillator signal provided by a crystal resonator to support multiple, different functionalities are provided. The receiver comprises a phase-locked loop...
8588322 Method and device for soft-output detection in multiple antenna communication systems  
An embodiment of a method and device for detecting a signal and generating bit soft-output of a multiple-input multiple-output system is provided. The device includes at least one channel estimates...
8588350 Diversity receiver having cross coupled channel parameter estimation  
A diversity receiver has multiple antenna receiving branches. Each branch has means for estimating at least a receiving channel parameter, and the channel parameter estimating means in one branch...
8588352 Wireless device  
A wireless device is configured so that an RF-IC unit calculates a difference value between IQ data received by an antenna Ant1 and IQ data received by an antenna Ant2 and transfers the difference...
8588324 Precoding for coordinated multi-point joint transmission  
The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing precoding for a coordinated multi-point joint...
8588351 Multi-band signal detection  
Apparatus may be provided including a spectrum analyzer and decision circuitry. The spectrum analyzer may be configured to ascertain wireless signal signature data from a wide range of frequency...
8582632 Decoding a signal  
Method, receiver and computer program product for processing a signal transmitted from a plurality of spatially separated transmit antennas using a Multiple-Input Multiple-Output transmission over...
8582677 Communication apparatus, communication method and computer program  
There is provided a communication apparatus, including a transmission pattern generation unit that generates a transmission pattern according to a modulation method, a metric calculation unit that...
8582417 Pilot pattern design for a STTD scheme in an OFDM system  
A transmitting device for transmitting data and pilot symbols in an OFDM transmission system having transmission antennas. The device includes symbol generating means for generating data and pilot...
8576947 System and method for simultaneous MIMO signal testing with single vector signal analyzer  
Signal conversion circuitry and method for converting a multiple input, multiple output (MIMO) packet data signal transmission to a plurality of complex data samples for processing by shared test...
8576959 Receiver with prefiltering for discrete fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) based systems  
A receiver for discrete Fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) based systems, including a prefilter for received signal codeword(s); and a log-likelihood...
8576933 Apparatus and method for selective single-carrier equalization  
Embodiments of an apparatus and method for selective SC equalization are provided. Multipath propagation in a communication channel often changes, and the severity of multipath propagation is often...
8576896 Decoding of orthogonal space time codes  
Implementations of improved OSTC decoding are disclosed where received channel output corresponding to a partial OSTC codeword may be used to generate estimated channel output, and where the...
8577672 Audible errors detection and prevention for speech decoding, audible errors concealing  
A method and apparatus of providing an audio output to a user in a communications system in which the audio to be output to a user, preferably an audio frame, is assessed before it is broadcast to...
8576938 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Channel estimation for low-overhead communication in a network
 
A receiving station receives a waveform that includes at least a first symbol of a predetermined symbol length and comprising a first set of frequency components at predetermined carrier...
8571124 Multiple input, multiple output (MIMO) communication system over in-premises wires  
A method of communicating across power lines, including communicating data between at least two in-premises network devices along more than one channel, each channel defined by a different two of a...
8571090 Technique for searching for a preamble signal in a spread spectrum using a fast hadamard transform  
In one embodiment, a method for demodulating and searching for a preamble signal containing a complex phasor signal is disclosed. The complex phasor is demodulated using a phasor-rotated fast...
8571119 Software defined radio for modulation and demodulation of multiple communication standards  
A Software Defined Radio (SDR) subsystem capable of supporting a multiple communication standards and platforms for modulation, demodulation and trans-modulation of an input signal is provided. The...
8571122 Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access  
A signal reception apparatus comprises a receiver configured to receive a symbol block within a symbol period of a wireless communication network and a control information demodulator/decoder...
8571129 Portable terminal and method for operating of MIMO antenna thereof  
A portable terminal and a method operate multiple input multiple output (MIMO) antennas. Received signal strength indications (RSSIs) of the MIMO antennas are measured through a wireless...
8571154 Control interval expansion of variable time delay control structure for channel matching  
An adaptive time delay control system is provided for matching the propagation time delay between two samples of a signal traveling through two independent paths so that they can be coherently...
8571152 Power-saving apparatus used for wireless communication receiver and system, and method using the same  
The present invention discloses an apparatus and method for power-saving switch on a pair of configurable analog-to-digital converters. The apparatus mainly comprises an antenna, an antenna switch,...
8571148 Preamble detection with multiple receive antennas  
A system including a control module and a correlation module. The control module receives signals, including subcarriers having frequencies in a frequency band, via a plurality of antennas, and...
8571508 Method and wideband antenna system to minimise the influence of interference sources  
A method to minimize influence of interference sources by control of a signal to noise/interference ratio of a wideband antenna system connected to an electronic system. The wideband antenna system...
8571087 WCDMA terminal baseband processing module having multi-path scanner module  
A baseband processing module according to the present invention includes a multi-path scanner module. The multi-path scanner module is operable to receive timing and scrambling code information...
8565325 Wireless device communication in the 60GHz band  
In one or more embodiments, system(s), method(s), integrated circuit(s), physical layer(s), apparatus(es), System-on-Chip (SoC), various other hardware, computer-readable and/or executable...