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| Number | Title | Issue Date |
| 8189704 | Method and apparatus for joint equalization and decoding of multilevel codes A method and apparatus are provided for joint equalization and decoding of multilevel codes, such as the Multilevel Threshold-3 (MLT-3) code, which are transmitted over dispersive channels. The MLT-3 code is treated as a code generated by a finite-state machine usin... | 05/29/2012 |
| 8170129 | Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a randomizer for inputting dual TS stream consists of robust and normal pa... | 05/01/2012 |
| 8170128 | Method and apparatus for joint decoding and equalization The present invention is related to joint trellis decoding and equalization using a decision feedback equalizer. ... | 05/01/2012 |
| 8160171 | DTV receiver and method of processing broadcast signal in DTV receiver A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculati... | 04/17/2012 |
| 8149940 | Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver A digital television (DTV) transmitter and a method of coding data in the DTV transmitter are disclosed. A data formatter generates an enhanced data packet including the enhanced data and a known data sequence. A data randomizer randomizes the enhanced data packet. ... | 04/03/2012 |
| 8149941 | DTV television transmitter/receiver and method of processing data in DTV transmitter/receiver A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including known data, a multiplexer multiplexing the enhanced data packets with main data packets, a data randomizer randomizing the multiplexe... | 04/03/2012 |
| 8149939 | System of robust DTV signal transmissions that legacy DTV receivers will disregard A DTV signal is transmitted that avoids legacy DTV receivers regarding data segments used in other than ordinary 8VSB transmissions being mistaken for (207, 187) R-S FEC codewords that appear to free of byte error or can be corrected to appear so. The DTV signal is ... | 04/03/2012 |
| 8139668 | Unified STTC encoder for WAVE transceivers A transmitter encodes an input bitstream using space-time trellis coding (STTC). The encoder includes a serial to parallel convertor to produce a first and second output bitstreams. First and second three bit shift registers are connected to produce first and second... | 03/20/2012 |
| 8126075 | Telecommunications method and system A system and method for encoding data for transmission over a telecommunications network. The system and method involve embedding a control data block (Ik0) within a plurality of real data blocks (IN0). Preferably, real data in the real data bl... | 02/28/2012 |
| 8111768 | Digital broadcast transmitter/receiver having an improved receiving performance and signal processing method thereof A digital broadcast transmitting/receiving system, and a signal processing method thereof, includes a randomizer for randomizing a transport stream into a specified position of which stuff bytes are inserted, a stuff-byte exchanger for replacing the stuff bytes incl... | 02/07/2012 |
| 8111769 | Transmissions with reduced code rate in 8VSB digital television Procedures performed prior to convolutional interleaving of 8VSB digital television signals restrict the alphabet of symbols in novel methods of generating trellis-coded digital television signals that include more robust symbol coding using a restricted alphabet of... | 02/07/2012 |
| 8107548 | Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof A digital broadcast transmitting/receiving system and a signal processing method thereof that can improve the receiving performance of the system. A digital broadcast transmitter has a randomizer to randomize an input data stream which has null bytes being inserted ... | 01/31/2012 |
| 8094742 | Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known dat... | 01/10/2012 |
| 8090038 | Channel equalizer and method of processing broadcast signal in receiving system A channel equalizer for use in a receiving system includes an overlap unit, a first estimator, an interpolator, and a second estimator. The overlap unit overlaps a group of normal data packets including a head, a body, and a tail, and a known data region is periodic... | 01/03/2012 |
| 8077789 | Repetition-dependent mapping for higher order modulation schemes A method and apparatus is disclosed, for digital data transmission using higher order modulation schemes, wherein a plurality of bits is mapped to bit positions of a symbol and the transmission has different error probabilities for at least two out of the bit positi... | 12/13/2011 |
| 8077790 | Tiled-building-block trellis encoders A first convolutional coder (building-block trellis coder) is used to establish a minimum squared Euclidian distance (MSED) between signal points within a coded constellation building block. A second convolutional encoder (tiling encoder) is designed to ensure that ... | 12/13/2011 |
| 8077791 | Optimal TCM codec search method for dual stream systems, and encoder/decoder using the same Provided is a method for searching for an optimal coder suitable to a dual stream transmission method of a DTV transceiving apparatus, and an encoder and a decoder employing the optimal coder searching method. The optimal coder searching method includes the steps of... | 12/13/2011 |
| 8068549 | Trellis decoder for decoding data stream including symbols coded with multiple convolutional codes A trellis decoder decodes a stream of encoded symbols, including symbols of a first type (e.g. symbols encoded with a first trellis code) and symbols of a second type (e.g. encoded with a second, more robust, trellis code), without storing path indicators along a tr... | 11/29/2011 |
| 8059741 | Digital broadcasting transmission/reception system capable of improving receiving and equalizing performance and signal processing method thereof A digital broadcast transmitting and receiving system and a signal processing method thereof that improves the receiving performance of the system. A digital broadcast transmitter includes a randomizer to receive and randomize a data stream into a specified position... | 11/15/2011 |
| 8059740 | WLAN transmitter having high data throughput A wireless local area network (WLAN) transmitter includes a baseband processing module and a plurality of radio frequency (RF) transmitters. The baseband processing module is operably coupled to process data by scrambling the data in accordance with a pseudo random ... | 11/15/2011 |
| 8054903 | Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a randomizer for inputting dual TS stream consists of robust and normal pa... | 11/08/2011 |
| RE42884 | Turbo decoding system using nth root metrics for non-Gaussian communication channels An nth root transformation is used for generating near Gaussian metrics from non-Gaussian metrics for input into a conventional turbo decoder that is based on the assumption that the input sequence to the decoder has a Gaussian distribution. The nth root transformat... | 11/01/2011 |
| 8050346 | Optimal encoder and encoding method for dual stream system Provided are a method of estimating an encoder for dual stream transmission, and an encoder using the same. The method includes the steps of: a) setting up the number of memories required for an encoder, a free distance condition for robust data, and a free distance... | 11/01/2011 |
| 8050347 | Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof A digital broadcast transmitting/receiving system and a signal processing method thereof that can improve the receiving performance of the system. A digital broadcast transmitter has a randomizer to randomize an input data stream which has null bytes being inserted ... | 11/01/2011 |
| 8045637 | Digital broadcasting system and method of processing data A digital broadcasting system including a transmitting system and a receiving system, and a method of processing data are disclosed. A method of processing data of a transmitting system includes sequentially grouping N number of columns (Kc) configured of A number o... | 10/25/2011 |
| 8031792 | Metrics calculations utilising pre-stored values A trellis processing technique for estimating a transmitted signal from a received signal acquired through a channel achieves a reduced computational structure when implementing a DDFSE-like branch metrics calculation by pre-storing computed values, which can be re-... | 10/04/2011 |
| 8019011 | Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof A digital broadcast transmitting/receiving system and a signal processing method thereof that can improve the receiving performance of the system. A digital broadcast transmitter has a randomizer to randomize an input data stream which has null bytes being inserted ... | 09/13/2011 |
| 7995668 | Method and apparatus for quantizing complex vectors in communication system Improved techniques are disclosed for quantizing complex vectors in communication systems. For example, a method includes the following steps. At least one complex vector representative of at least one element of a communication system is obtained. A codeword that a... | 08/09/2011 |
| 7995667 | Reduced latency concatenated reed solomon-convolutional coding for MIMO wireless LAN A wireless local area network (WLAN) transmitter includes a baseband processing module and a plurality of radio frequency (RF) transmitters. The baseband processing module operably coupled to scramble data in accordance with a pseudo random sequence to produce scram... | 08/09/2011 |
| 7995669 | DTV receiver and method of processing broadcast signal in DTV receiver A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculati... | 08/09/2011 |
| 7970072 | Method and apparatus for processing a signal The present invention relates to a method and apparatus for processing a signal. An object of the present invention devised to solve the problem lies on a method and apparatus for processing a signal, which allows a signal having optimized signal transmission effici... | 06/28/2011 |
| 7965783 | Method and system for transmitting data streams via a beamformed MIMO channel A method and apparatus are provided for transmitting data streams in a wireless multiple-input-multiple-output (MIMO) communications system. The method comprises receiving a plurality of signals by a first mobile station, the plurality of signals being transmitted f... | 06/21/2011 |
| 7953172 | Apparatus and method for transmitting/receiving signal in a communication system Disclosed is an apparatus and method for transmitting/receiving a signal in a communication system, in which an MCS level or a modulation scheme to be used to an information vector to be transmitted is determined when the information vector is generated, and a codew... | 05/31/2011 |
| 7949062 | Encoding system using a non-binary turbo code and an encoding method thereof An encoding system using a non-binary turbo code and an encoding method thereof is capable of encoding an input signal at a low code rate and at once by spreading the input signal. An input information bit sequence is spread according to the obtained channel code ra... | 05/24/2011 |
| 7936837 | DTV television transmitter/receiver and method of processing data in DTV transmitter/receiver A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including known data, a multiplexer multiplexing the enhanced data packets with main data packets, a data randomizer randomizing the multiplexe... | 05/03/2011 |
| 7924934 | Time diversity voice channel data communications A receiver with a time diversity combining component recovers a digital data signal transmitted over a voice channel of a digital wireless telecommunications network. A feature extraction module receives an audio frequency waveform encoding the digital data signal a... | 04/12/2011 |
| 7920637 | Single sideband and quadrature multiplexed continuous phase modulation A class of bandwidth reduction techniques are used develop a broad class of modulation types collectively called SSB-FM. These signals can be used to construct communication systems that provide bandwidth-normalized performance gains of 10 dB or more when compared t... | 04/05/2011 |
| 7885347 | DTV receiver and method of processing broadcast signal in DTV receiver A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculati... | 02/08/2011 |
| 7860181 | Decoding apparatus and decoding method Disclosed herein is a decoding apparatus for decoding channel input bits from a partial-response channel output in accordance with a trellis obtained by combining a coding constraint and state transitions of a partial response for a case in which the length of a mem... | 12/28/2010 |
| 7852962 | Systems and methods for implementing a data control channel in a wireless communication system A channel structure that can efficiently transmit more data control bits, e.g., required by future wireless communication systems, yet achieve sufficient detection and false alarm performance uses tail-biting convolutional coding and Cyclical Redundancy Check (CRC).... | 12/14/2010 |
