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Multi-carrier incremental redundancy for packet based wireless
Methods and apparatus are disclosed herein for providing incremental redundancy in a wireless communication system to aid in error recovery. One or more...
System and method for linear distortion estimation by way of equalizer
Provided is a method and system for estimating distortion in a communications channel including an adaptive equalizer. The method includes determining one or...
Analog to digital converter bit width and gain controller for a wireless
A gain controller for a wireless communication system sets the receiver gain during the initial time duration of a preamble, and for each subsequent symbol...
Correlation apparatus and method for accommodating spreading code
An apparatus and method for correlating a signal over a correlation interval while accommodating spreading code frequency offset is described. In one...
Sliding block traceback decoding of block codes
Sliding block traceback decoding of block codes. Block by block basis decoding is performed in which a single block, and its corresponding overlap portion, are...
Mirror sub-carrier demodulation circuit, receiving device with the same,
and mirror sub-carrier demodulating method
A mirror sub-carrier demodulation circuit includes a waveform generation unit, which generates a composite waveform of received I and Q signals, and a peak...
Chip blanking and processing in SCDMA to mitigate impulse and burst noise
Systems and methods are disclosed for detecting temporary high level impairments, such as noise or interference, for example, in a communications channel, and...
Method and system for RC-CR quadrature generation with wideband coverage
and process compensation
Certain aspects of a method and system for RC-CR quadrature generation with wideband coverage and process compensation may include determining an amplitude...
Angle-modulated signal threshold extension device and method
A threshold noise-canceling method comprising the steps of: receiving an angle-modulated signal; identifying in the angle-modulated signal potential threshold...
Split channel receiver with very low second order intermodulation
A high performance radio frequency receiver includes an isolated transconductance amplifier with large binary and stepped gain control range, controlled...
Reception quality calculation method, reception quality calculation
apparatus, and communication apparatus
In a communication apparatus which transmits parameters corresponding to a reception environment to a transmitting apparatus which switches the transmission...
Method and apparatus for processing a communication signal
An access terminal for processing a communication signal includes a receiver. The receiver is configured to determine a bias point for the communication signal...
Transmission apparatus and transmission power control method
The transmission apparatus and transmission power controlling method are able to keep high speed feedback control and control transmission power accurately....
System and method for power control in a wireless transmitter
A power control loop includes a feed forward unit 301 coupled to a data source, the feed forward unit 301 processes a signal for transmission, a feedback unit...
Optimized clipping for peak-to-average power ratio reduction
A technique for PAR reduction involves producing an optimized clipping pulse. The optimized clipping pulse may be designed to meet certain requirements, such as...
Multiple-input multiple-output system and method
A multiple-input multiple-output (MIMO) system can transmit on multiple antennas simultaneously and receive on multiple antennas simultaneously. Unfortunately,...
Hybrid automatic repeat requests coding in MIMO networks
A method transmits a block of symbols in a multiple-input multiple-output (MIMO) network including a transmitter having a set of transmit antennas and a...
Multi-pilot generation method and detection method in multi-antenna
Provided are a multi-pilot generation method and a detection method in a multi-antenna communication system. In the method, a transmission side superimposes a...
Multi-user MIMO-SDMA for finite rate feedback systems
A multi-user MIMO downlink beamforming system with limited feedback (200) is provided to enable preceding for multi-stream transmission, where a channel...
Selective virtual antenna transmission
Techniques for transmitting data from virtual antennas instead of physical antennas are described. Each virtual antenna may be mapped to some or all physical...
Method and apparatus for transferring signals in a wireless communication
Data is transferred in a wireless communication system, such as a wireless spread spectrum communication system. A plurality of transmitting antennas are...
Signal receiving apparatus, signal receiving method and program
Disclosed herein is a signal receiving apparatus including a profile inference section; a delay-spread computation section; a position determination section; a...
Radio transmitting apparatus and multicarrier signal generating method
A base station allowing mobile stations to efficiently remove interference signals. In this base station (100), an encoding part (101) performs an error...
Robust FFT trigger point tracking for echo channels in OFDM based
Identifying a trigger point of at least one OFDM decoder includes correlating a first time-domain sample of the at least one OFDM symbol with a second...
Methods and systems for orthogonal frequency division multiplexing (OFDM)
multiple zone partitioning
Aspects of the invention include methods and devices for inserting data and pilot symbols into Orthogonal Frequency Division Multiplexing (OFDM) frames having a...
Method and apparatus for downlink resource allocation in an orthogonal
frequency division multiplexing...
A communication is provided that schedules both Distributed Virtual Resource Blocks (DVRB) and Localized Virtual Resource Blocks (LVRB) in a same frequency...
Radio communication apparatus and radio communication method
There is provided a radio communication device capable of suppressing increase of power consumption of a relay station device. In this device, a channel...
A method of synchronizing the phase of a local image synchronization signal generator of a local video data processor in communication with an asynchronous...
Picture encoding method and picture decoding method
A picture encoding method of the present invention is a picture encoding method of predictively encoding an input picture with reference to pictures stored in a...
Memory device and device and method for detecting motion vector
This invention relates to a memory device and the like that are preferably applied to a case where motion vector is detected using a block matching. Pixel data...
Motion vector estimating device, and motion vector estimating method
To provide a motion vector estimating device which is capable of calculating the optimum motion vector by a trade-off between the bit rate of a motion vector...
Motion vector searching method using plural search areas
A motion vector searching system and method estimates a motion vector during image compression by acquiring a present image frame and at least one previous...
Biased motion vector interpolation for reduced video artifacts
In a video processing system where motion vectors are estimated for a subset of the blocks of data forming a video frame, and motion vectors are interpolated...
Unit for and method of estimating a current motion vector
A motion estimation unit (500) for estimating a current motion vector comprises a match error unit (506) for calculating match errors of respective candidate...
Image encoding device that encodes an arbitrary number of moving pictures
An image encoding device encodes moving pictures, a moving picture count acquisition unit acquires a moving picture count of encoding target moving pictures...
Layered Wyner-Ziv video coding for transmission over unreliable channels
A system and method for video coding. Energy-concentrating transform operations are performed on video data to obtain transformed data. Nested scalar...
Method and related device for converting transport stream into file
A method of converting format from a transport stream (TS) to a file for storing television program data carried by the transport stream includes steps of...
Encoding device and encoding method
When creating SBR data in a the low-resolution mode, an encoding device divides a high-frequency component of input audio data being encoded by SBR method into...
Method of coding a video signal
The invention relates to methods and apparatuses for encoding and decoding of a video sequence. In connection with encoding/decoding a video sequence it is...
Method and apparatus for minimizing number of reference pictures used for
A method for minimizing and optimizing a list of active reference pictures to be used for (forward or backward) inter coding of a current picture, or of a pixel...
Bandwidth sensitive data compression and decompression
Data compression and decompression methods for compressing and decompressing data based on an actual or expected throughput (bandwidth) of a system. In one...
Fast training equalization of a signal by using adaptive-iterative
algorithm with main path phase correction
A signal receiver inputs a signal, computes a set of equalizer tap values during a signal acquisition phase by applying an algorithm iteratively to a given set...
Method and a system for generating an adaptive slicer threshold
An adaptive slicer threshold is derived from averages of maximum and minimum values of the received signal, the method comprising the steps of: --averaging (86)...
Polar transmitter with digital and analog filtering of envelope
A calibration circuit measures the variation in a filter resistor within the analog domain of the envelope path of a polar transmitter and produces a digital...
Method for reliable injection of deterministic jitter for high speed
A method and a corresponding system for characterizing the performance of a clock and data recovery circuit in a digital transceiver is presented. The method...
Recursive range controller
A method and apparatus for detecting out-of-specification data streams and voltage controller oscillator operation. Data may be received over evaluation...
System and method for descrambling the phase of the carriers in a
multicarrier communications system
A system and method that demodulates the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier...
Serial communications control plane with optional features
A serial communications protocol is provided that has mandatory features such as an idle code feature and optional features such as an optional automatic lane...
Reception apparatus using spread spectrum communication scheme
In a reception apparatus, a matched filter that has conventionally been arranged in a searcher unit is mounted on an acquisition unit together with a large...
Wireless communication apparatus and response signal spreading method
A wireless communication apparatus capable of minimizing the degradation of the separation characteristic of response signals to be code-multiplexed. In the...