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8681903 Method for demodulating received signals and apparatus for performing the same  
Disclosed are a method for demodulating received signals and an apparatus therefore which can maintain quality of signals and can reduce computational complexity. A demodulation method of a...
8681892 Wireless communication method, wireless transmitter and wireless receiver  
A wireless communication method by which unnecessary retransmission request is suppressed and feedback information is reduced at the same time in a MIMO communication system. The wireless...
8681889 Multi-mode orthogonal frequency division multiplexing receiver for highly-spectrally-efficient communications  
A receiver may comprise a sequence estimation circuit and operate in at least two modes. In a first mode, the sequence estimation circuit may process OFDM symbols received on a first number of...
8681890 Method and apparatus for real time multiplexing with receiver and antenna array elements  
A method of signal processing, or corresponding apparatus, includes providing multiple analog receive signals at respective antennas and selecting one antenna at a time in an iterative manner, to...
8681887 Turbo channel estimation for OFDM systems  
A system and method for estimating a channel in a wireless receiver is disclosed. The method comprises receiving a block of ā€œnā€ transmitted symbols, the symbols including pilot symbols and ā€œdā€...
8675755 Method and apparatus for jointly decoding independently encoded signals  
A received signal includes a plurality of user signals, the plurality of user signals including at least a first user signal and a second user signal. The first user signal corresponds to first...
8675791 Method and an apparatus for deconvoluting a noisy measured signal obtained from a sensor device  
The present invention relates to a method and apparatus for deconvolving a noisy measured signal obtained from a sensor device (100), said noisy measured signal (y(t)) being the sum of the...
8677421 Digital broadcast reception apparatus  
An object of the present invention is to provide a digital broadcast reception apparatus that allows a stable viewing even if a reception environment changes along with a movement. In the present...
8675792 Method of Doppler spread estimation  
A method includes receiving a signal comprising a symbol-carrier matrix, the symbol-carrier matrix including a predetermined pattern of reference symbols, and determining at least one channel...
8675795 Apparatuses for adjusting a bandwidth and coefficient values of a receiver in a wireless network  
A receiver has a bandwidth. The receiver includes paths, a first receiver module, an enable module, and a second receiver module. The paths are configured to be enabled to receive signals. The...
8675471 Method for constructing space-time/space-frequency code, and transmitting method and apparatus  
A method for constructing a space-time/space-frequency code, and a transmitting method and apparatus are provided, which relate to the field of wireless communication technologies. The method for...
8676141 Power control based on mobile receive diversity  
A power control method in a mobile station having at least two antennas. The mobile station operates in a receive-diversity state in which the mobile station wirelessly receives communications with...
8675767 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...
8675793 MIMO communication system and control method thereof  
Disclosed are a MIMO communication system and a method of controlling the same. The MIMO communication system includes an MCS (modulation and coding scheme) level selector for selecting an MCS...
8670507 Concatentation-assisted symbol-level combining for MIMO systems with HARQ and/or repetition coding  
Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors from the same transmitted...
8670494 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal  
The present invention relates to method of transmitting and receiving signals and a corresponding apparatus. One aspect of the present invention relates to an efficient layer 1 (L1) processing...
8670506 Apparatus and method for providing a reduced representation based on a time-domain RF signal  
An apparatus according to an embodiment of the present invention for providing a reduced representation in a frequency-domain, based on a time-based RF signal, has a time-frequency converter...
8670508 Method and system for a low-complexity soft-output MIMO detection  
An approach for Soft-output K-Best MIMO detection comprises computing an estimated symbol vector and Log-Likelihood Ratio (LLR) values for transmitted bits. The approach includes a relevant...
8670495 Multi-mode receiver with adaptive mode selection  
Receivers and methods are provided that include multiple modes of processing signals from multiple antennas. These include legacy, SAIC (single antenna interference cancellation) and MSRD. Various...
8670498 Method and apparatus for reducing interference in space frequency block coding communication  
A method and apparatus of reducing interference in space frequency block coding (SFBC) communication are disclosed. SFBC encoding is performed on at least one pair of symbols. The symbols are...
8665996 Efficient parallel sub-packet decoding using multiple decoders  
A configurable decoder within a receiver (for example, within a wireless communication device) includes numerous decoders. In one mode, the multiple decoders are used to decode different...
8665979 Quantized channel state information prediction in multiple antenna systems  
A CSI vector quantizer (VQ) system is provided for time-correlated channels. The VQ system operates a receiver forwarding quantized channel state information in the form of indices and a...
8665927 Acquisition method with improved multi-frequency correlation  
The invention relates to a method for acquisition of a signal (2) emitted by a satellite, by a receiver in a satellite Positioning System using a multi-code correlation and a multi-frequency...
8665978 Wireless communication apparatus and wireless communication method  
A wireless communication apparatus prevents deterioration of communication characteristics because of a transmission weight of a highest common factor and enhances the communication characteristics...
8666004 Methods and systems for hybrid MIMO schemes in OFDM/A systems  
Certain embodiments of the present disclosure provide a hybrid receiver diversity scheme that involves combining received signals in accordance with a combination of multiple receive diversity...
8665993 Orthogonal resource selection transmit diversity  
Methods are disclosed for transmitting a plurality of information bits using resource selection on multiple antennas. In one or more embodiments, the methods include: selecting a first and a second...
8654875 Method and apparatus for multi-stream received signal processing in a communication receiver  
The teachings herein provide a method and apparatus for partitioning sets of MIMO streams, for joint processing. In particular, there is an optimum or otherwise best partitioning of a set of MIMO...
8654911 Uplink SDMA pilot estimation  
Systems and/or methods for communications wherein a plurality of spatial streams are received. Each of these spatial streams comprises a symbol having at least one phase shifted pilot signal. The...
8649421 Cable modem for network measurements  
The invention relates to measurement-capable cable modems for cable networks. Idle receivers and transmitters of a cable modem are used to perform upstream and downstream measurements on DOCSIS and...
8649463 Radio communication apparatus  
In UWB communication based on an MB-OFDM communication scheme, when a jamming interference is detected within a receiving frequency band, the frequency of a local signal LO is altered to a...
8649455 Multiple input multiple output communication system and communication method of adaptably transforming codebook  
A multiple input multiple output (MIMO) communication system including a base station and at least one terminal may adaptively transform a codebook. The terminal may calculate one or more...
8644409 Method and apparatus for modulation and layer mapping in a wireless communication system  
Systems and methodologies are described herein that facilitate improved modulation and coding techniques for a multiple-in multiple-out (MIMO) communication system. As described herein, data to be...
8644427 Radio frequency receiver with dual band reception and dual ADC  
A radio frequency receiver with dual band reception and dual analog-to-digital converters (ADCs) can be configured to operate in a single channel mode or a dual channel mode to receive a single RF...
8644367 Antenna beam scan unit and wireless communication system using antenna beam scan unit  
An antenna beam scan unit includes: a Rotman lens that performs power division and synthesis between plural antenna ports and three or more beam ports; plural antenna elements which are connected...
8644436 Method and apparatus for enhanced uplink general rake channel estimation  
In one embodiment, an apparatus for channel estimation includes a first receiver configured to obtain a first channel estimate associated with a communication channel between the apparatus and a...
8638249 System and method for high input capacitive signal amplifier  
In accordance with an embodiment, a method includes determining an amplitude of an input signal provided by a capacitive signal source, compressing the input signal in an analog domain to form a...
8638669 Path control system, path control device, path control method, and program  
A path control system according to the present invention includes a network including a communication device (202) that communicates via a radio link that uses adaptive modulation, and a path...
8638867 Methods and apparatus for compensating for propagation delays in coordinated multi-point transmission  
Systems and techniques for communication using coordinated multi-point transmission. In one embodiment, an apparatus comprises at least one processor and a memory storing a set of computer...
8634490 Techniques for detection of signals in multiple-input multiple-output communication systems  
A receiver of a multiple-input multiple-output (MIMO) system performs QR decomposition of the channel matrix to enable detection of a transmitted vector in a layered manner. In each layer, a...
8634501 Carrier selection for multiple antennas  
A method and apparatus is disclosed to process a received single stream communication signal and/or a multiple stream communication. A communications receiver is configured to receive the received...
8634453 Frame and carrier synchronization for unbursted packetized transmissions using constant-amplitude continuous-phase frequency-modulation  
A system and method for performing frame and symbol timing synchronization on samples of a received signal that includes a series of frames. Each frame includes a known preamble and payload data. A...
8634445 Pulse modulation and demodulation in a multiband UWB communication system  
In a wireless communications system, such as a multiband Ultra Wideband communications system, data is transmitted by means of the phases of pulses in multiple frequency bands. A signal is...
8634496 Method for determining and compensating transceiver non-idealities  
A method for estimating transceiver non-idealities is disclosed. In one aspect, the method comprises generating a preamble comprising multiple sets of known training sequences with a...
8630375 Method and apparatus for received signal processing in a multi-stage receiver  
The present disclosure provides an apparatus and method for advantageously simplifying joint detection processing in one or more demodulation stages of a multi-stage receiver by configuring at...
8630268 Distributed antenna system, distributed antenna switching method, base station apparatus and antenna switching device  
In a distributed antenna system in which plural antennas are dispersed spatially, a base station apparatus 102 collects the terminal throughput of the uplink and downlink communication, the number...
8630748 Method and apparatus for access and/or starting verification  
A method for access or starting verification for a vehicle using a mobile identification encoder and at least two antennas located in or on the vehicle at different locations includes: the antennas...
8630357 Ultra-wideband dual band magnitude summer apparatus and method  
This invention relates to capturing and processing the full bandwidth of an Ultra-Wideband (UWB) signal. An incoming UWB signal is processed in two different analog signal bands in parallel and...
8630376 Method and apparatus for generating beamforming feedback  
Cophasing angles for a plurality of antennas are received from a hardware device by one or more processors separate from the hardware device. When steering vector feedback is to be transmitted, the...
8625700 Evaluation device for providing a transceiver system with transceiving performance information thereof  
An evaluation device provides a transceiver system with performance information. The transceiver system models channels between a transmitter and a receiver thereof using Nakagami distribution with...
8625716 Method and apparatus for performing HARQ in wireless communication system  
A method and an apparatus for performing hybrid automatic repeat request (HARQ) using constellation rearrangement and a circular buffer in a wireless communication system is provided. An encoded...