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Patent # Description
US-8,144,814 Signal quality estimator
Techniques for estimating signal quality in a communication system are described. Scaled errors are obtained for inphase (I) and quadrature (Q) components of...
US-8,144,813 Receiving method and receiving circuit
A receiving method according to the present invention adjusts a level of an output voltage signal by switching a gain to be used for converting an inputted...
US-8,144,812 Best frame derivation in a wireless communications network
A communications node can receive a plurality of communication signals, each including a block of data estimates with respective quality metrics. Each block of...
US-8,144,811 Hybrid zero-IF receiver
An apparatus for processing a Bluetooth signal advantageously mixes down a received RF signal to an IF signal wherein one band-edge of the spectrum of the IF...
US-8,144,810 Serial radio frequency to baseband interface with programmable clock
An interface between an RF processing section and a baseband processing section supports general purpose message transmission as well as satellite positioning...
US-8,144,809 Modulating apparatus, mobile communication system, modulating method, and communication method
An encoder encodes audio data and the like to generate a binary signal. A mapper converts the binary signal into a four-level symbol and outputs the four-level...
US-8,144,808 Codebook generating method and apparatus for generating a codebook for multi-polarized multiple-input...
A communication apparatus and method include: selecting, as a precoding matrix, one of pre-stored at least one matrix W.sub.i, where i is a natural number, and...
US-8,144,807 Crosstalk cancellation in digital subscriber line communications
A digital subscriber line (DSL) modem that has a canceller digital filter for cancelling crosstalk and RF interference in a received DSL signal is disclosed....
US-8,144,806 Device, system and method of I/Q mismatch correction
Briefly, some embodiments of the invention may provide devices, systems and methods of in-phase and quadrature mismatch analysis and correction. For example, a...
US-8,144,805 Method for setting cyclic shift considering frequency offset
A method for establishing a cyclic shift sequence to provide against the frequency offset is disclosed. The method calculates a distance between a channel...
US-8,144,804 Signal encoding apparatus and method, signal decoding apparatus and method, programs and recording mediums
The encoding apparatus generates information for generating a high quality high frequency sub-band signal when expanding the frequency band at the decoding...
US-8,144,803 Inversion of channel distortion by adaptive wavelet lifting
A method for inverting telecommunication channel distortion by adaptive wavelet lifting. The distortion signal is analyzed using wavelet lifting and the inverse...
US-8,144,802 Digital data encoding and decoding method and system
Digital data encoding and decoding method and system is provided. The data encoding includes encoding a frame signal into a bit stream, including detecting a...
US-8,144,801 Satellite communication system utilizing low density parity check codes
An approach for reliably communicating over a satellite in support of a communication service including, for example, as direct broadcast satellite and data...
US-8,144,800 Downstream transmitter and cable modem receiver for 1024 QAM
A headend transmitter that transmits 1024 QAM including a 256 QAM modulator which has been modified to have more aggressive forward error correction processing....
US-8,144,799 Multi-antenna reception apparatus, multi-antenna reception method, multi-antenna transmission apparatus and...
Soft decision sections (503, 506) provisionally decide each modulated signal (502, 505) separated using an inverse matrix calculation of a channel fluctuation...
US-8,144,798 Long training sequence for MIMO WLAN systems
A method for configuring a multiple input multiple output (MIMO) wireless communication begins by generating a plurality of preambles for a plurality of...
US-8,144,797 CQI table for wireless MIMO networks
A Channel Quality Indicator table for wireless multiple input multiple output (MIMO) networks is disclosed. In one embodiment, a method of generating a table...
US-8,144,796 Apparatus and method for selecting operation mode in MIMO communication system
An apparatus and a method for selecting an operation mode to improve a throughput in a mobile communication system are provided. The apparatus includes a...
US-8,144,795 Method for encoding space-time codes in a wireless communication system having multiple antennas
A method of transmitting space-time coded data in a wireless communication system having a plurality of antennas is disclosed. More specifically, the method...
US-8,144,794 Efficient optimal ML detector
An efficient optimal maximum-likelihood output detector reducing the complexity of demodulation/decoding computations in multiple-input multiple-output...
US-8,144,793 Cognitive multi-user OFDMA
A computing device operating according to a frequency division multiplexed protocol in which communication occurs over a signal formed from a plurality of...
US-8,144,792 Communication channel calibration for drift conditions
A method and system provides for execution of calibration cycles from time to time during normal operation of the communication channel. A calibration cycle...
US-8,144,791 Apparatus, method, and medium for video synchronization
An apparatus, method, and medium for video synchronization are provided. The apparatus may include a PTS register storing a presentation time stamp (PTS) of a...
US-8,144,790 Broadcast receiver and method of processing data
A broadcast receiver, and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a decoding unit, and...
US-8,144,789 Picture coding apparatus
In order to improve the accuracy of a code amount estimated by using a predictive residual when coding at a low data rate, an encoder is utilized to perform...
US-8,144,788 DTV transmitting system and receiving system and method of processing broadcast data
A digital television receiving system includes a frame encoder, a data randomizing and expanding unit, a group formatter, a block processor, a deinterleaver,...
US-8,144,787 Adaptive weighting of reference pictures in video decoding
A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the...
US-8,144,786 Adaptive weighting of reference pictures in video decoding
A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the...
US-8,144,785 Adaptive weighting of reference pictures in video decoding
A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the...
US-8,144,784 Position coding for context-based adaptive variable length coding
Particular embodiments include a method, an apparatus, and logic embodied in tangible computer-readable medium that when executed carries out a method of...
US-8,144,783 Method and apparatus for H.264 to MPEG-2 video transcoding
A method for transcoding from an H.264 format to an MPEG-2 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream...
US-8,144,782 Adaptive motion estimation/compensation device for MB/based illumination change and method thereof
An adaptive motion estimation/compensation device and a method thereof for MB-based illumination change are disclosed. If a macro block mode is determined as a...
US-8,144,781 Video processing system for scrambling layered video streams and methods for use therewith
A video processing system includes a video encoder that encodes a video stream into an independent video layer stream and a first dependent video layer stream...
US-8,144,780 Detecting visual gestural patterns
A processing device and method are provided for capturing images, via an image-capturing component of a processing device, and determining a motion of the...
US-8,144,779 Apparatus and method for detecting motion vector, program, and recording medium
A motion vector detecting apparatus includes a first generation unit that generates a first evaluation value table from an image signal of a first level, a...
US-8,144,778 Motion compensated frame rate conversion system and method
Systems and methods of motion compensated frame rate conversion are described herein. These systems and methods convert an input video sequence at a first frame...
US-8,144,777 Motion vector detection method and apparatus
A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to...
US-8,144,776 Direct mode video coding using variable selection criterion
The present invention provides a video coding method which includes, as one of a plurality of coding modes, a direct mode generating a piece of motion...
US-8,144,775 Method and device for generating candidate motion vectors from selected spatial and temporal motion vectors
A motion estimation method and device are provided for processing images to be inserted, between a preceding original image and a following original image, into...
US-8,144,774 Interpolation of video compression frames
Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate...
US-8,144,773 Coding apparatus, coding method, and coding system
A first prediction unit performs intra-prediction of an original image corresponding to an inter-frame coded frame to produce a first prediction residual and a...
US-8,144,772 Moving picture processor, method for processing a moving picture, and computer program product for executing an...
A moving picture processor including an evaluator configured to evaluate whether terminal points of motion vectors consecutively detected in a current picture...
US-8,144,771 Method and apparatus for image coding and decoding with cross-reference mode
An image compression method and apparatus, in which coding efficiency is improved by coding multiple pictures through cross-reference between the pictures, and...
US-8,144,770 Apparatus and method for encoding moving picture
Provided are moving picture encoding apparatus and method skipping intra prediction in encoding mode determination using rate-distortion (RD) costs and...
US-8,144,769 Streaming methods and systems
Various embodiments provide methods and systems for streaming data that can facilitate streaming during bandwidth fluctuations in a manner that can enhance the...
US-8,144,768 Apparatus and method for conserving memory in a fine granularity scalability coding system
Decoding time stamps (DTSs) and presentation time stamps (PTSs) are used in fine granularity scalability (FGS) coding during MPEG-4 video coding. An input video...
US-8,144,767 Method and apparatus for coding image information, method and apparatus for decoding image information, method...
An image information decoding method for decoding compressed image information which has been coded via a process including dividing an input image signal into...
US-8,144,766 Simple next search position selection for motion estimation iterative search
A next position selector for motion estimation iterative search improves the efficiency and quality of the integer-pel motion estimation iterative search by...
US-8,144,765 Apparatus and method for decoding picture data
A coding apparatus for hierarchically (layering) coding top field data and bottom field data divided from each of a plurality of picture data composing a moving...
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