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| Number | Title | Issue Date |
| 8181091 | High speed LDPC decoding An optical probability-domain LDPC decoder suitable for implementation at 100 Gb/s and above provides large coding gains when based on large-girth LDPC codes. A basic building block, the probabilities multiplier circuit, used to implement both check node and probabi... | 05/15/2012 |
| 8176391 | System to improve miscorrection rates in error control code through buffering and associated methods A system to improve miscorrection rates in error control code may include an error control decoder with a safe decoding mode that processes at least two data packets. The system may also include a buffer to receive the processed at least two data packets from the er... | 05/08/2012 |
| 8176392 | Method of decoding content data blocks, corresponding computer program product and decoding device When decoding a set of symbols to be decoded, several data blocks representative of the set of symbols to be decoded are received by a decoding node of a communications network. The data blocks are encoded using an error correction code enabling a decoding by erasur... | 05/08/2012 |
| 8171382 | Encoding system and method for encoding error control codes within bit streams An encoding system for encoding error control codes may include a first encoder configured to encode an input bit stream to generate first bit streams of C-bits, where c is an integer greater than zero, and a second encoder may be configured to receive the first bit... | 05/01/2012 |
| 8171381 | Outer coding methods for broadcast/multicast content and related apparatus Transmission techniques are provided that improve service continuity and reduce interruptions in delivery of content that can be caused by techniques that occur when the User Equipment (UE) moves from one cell to the other, or when the delivery of content changes fr... | 05/01/2012 |
| 8171380 | Adaptive systems and methods for storing and retrieving data to and from memory cells Adaptive systems and methods that may help assure the reliability of data retrieved from memory cells are described herein. The systems may include a memory device including a plurality of memory cells, a data quality monitoring block, and an adaptive data encoding ... | 05/01/2012 |
| 8166372 | Blind estimation of control channel A method, system, apparatus, and computer program product for decoding control information, wherein a total number of allocation blocks defining control channels to be allocated to users for at least one of uplink and downlink directions is determined. Then, a forma... | 04/24/2012 |
| 8122323 | Method, apparatus, and system for dynamic ECC code rate adjustment A method, apparatus, and system for dynamic adjustment of an error control coding (ECC) code rate are disclosed. In one embodiment, a code rate may be changed from a first code rate to a second code rate in response to a change in a bit error rate. ... | 02/21/2012 |
| 8122324 | Error correction coding apparatus An error correction coding apparatus is disposed to generate a low-density parity-check code 16 from an input information sequence 15 by using a low-density parity-check matrix which satisfies a predetermined weight distribution, and includes a low-den... | 02/21/2012 |
| 8112694 | System and method for reliably communicating information without explicit acknowledgements including retransmission of older, missed commands A system and method communicates commands from a command originator to receiving devices, yet the receiving devices do not confirm receipt of the command. The most current command (e.g. the one with the highest sequence number) is rebroadcast by the command originat... | 02/07/2012 |
| 8095854 | Method and system for generating low density parity check codes An approach for generating a structured Low Density Parity Check (LDPC) codes is provided. Structure of the LDPC codes is provided by restricting a certain part of the parity check matrix to be lower triangular, hence enabling a very simple encoding method that does... | 01/10/2012 |
| 8091011 | Method and system for dynamically adjusting forward error correction (FEC) rate to adapt for time varying network impairments in video streaming applications over IP networks Certain aspects of a method and system for dynamically adjusting forward error correction (FEC) rate to adapt for time varying network impairments in video streaming applications over IP networks may be disclosed. At a server side of a client-server communication sy... | 01/03/2012 |
| 8082483 | High speed turbo codes decoder for 3G using pipelined SISO Log-MAP decoders architecture A MIMO system with Diversity processing is provided having Turbo Codes Decoders for computing orthogonal signals from multiple separate antennas. The invention decodes multipath signals that have arrived at the terminal via different routes after being reflected fro... | 12/20/2011 |
| 8069397 | Use of ECC with iterative decoding for iterative and non-iterative decoding in a read channel for a disk drive A scheme in which a first decoder provides first decoding of a signal read from a disk. A second decoder, coupled to an output of the first decoder, combines with the first decoder to provide iterative decoding to recover data stored on the disk when in an iterative... | 11/29/2011 |
| 8065591 | Method of transmitting digital data packets and device implementing the method and receiver The invention relates to a method of transmitting digital data packets protected by error correction packets and more precisely the manner of inserting these correction packets into the data packet stream so as to increase the correction effectiveness of the error c... | 11/22/2011 |
| 8060807 | Content and channel aware object scheduling and error control A method and system for wireless data communication. A request is accepted for communication of a data collection including a plurality of data objects. For each of the plurality of data objects, content importance and error resilience properties are evaluated. A tr... | 11/15/2011 |
| 8055980 | Error processing of user information received by a communication network A method is provided for decoding and/or detecting data containing user information which is received by a communication network in order to provide a way to suppress error concealment and to provide improved error correction. The present invention is characterized ... | 11/08/2011 |
| 8046666 | Combined DC restoration double detection and loops A method of double detection in a perpendicular magnetic read channel is disclosed. The method generally includes the steps of (A) generating an intermediate signal by performing a first detection on an input signal of the perpendicular read channel, the first detec... | 10/25/2011 |
| 8024644 | Communication signal decoding Provided are systems, methods and techniques that use an embedded error-detection code within a received communication signal to determine when to stop iterative decoding of the communication signal. ... | 09/20/2011 |
| 8015474 | Adaptive forward error correction There are described apparatus and methods for adaptive forward error correction (FEC), one use being for video streaming over a wireless network. The apparatus includes an FEC encoder and an adaptive FEC device. The FEC encoder is for encoding k packets of source da... | 09/06/2011 |
| 8010877 | Communication apparatus, communication control method, and computer product A communication apparatus that is present between each of receiver and sender LANs including a user network and a WAN, and relays a packet exchanged between the sender and receiver LANs through the WAN while correcting an error in the packet. The communication appar... | 08/30/2011 |
| 8006168 | Apparatus and method for applying unequal error protection during wireless video transmission Wireless transmission of high-definition video, whether essentially uncompressed or compressed, is prone to errors during reception due to the condition of the wireless link. To ensure video quality during changing link conditions it is desirable to ensure that thos... | 08/23/2011 |
| 7992073 | Decoding device, decoding method, and receiving apparatus A decoding apparatus includes a first decoder and a second decoder performing iterative decoding on each of a plurality of code blocks, each as a decoding unit, contained in a transport block, and a stop/end determination section determining whether or not to stop i... | 08/02/2011 |
| 7987409 | Automatic request apparatus and method for multihop system in broadband wireless access communication network Provided are an ARQ apparatus and method for a multihop system in a broadband wireless access communication system. The ARQ method of a relay includes determining if the relay successfully receives specific data from a source and transmitting the specific data to a ... | 07/26/2011 |
| 7966548 | Method and system for encoding data using rate-compatible irregular LDPC codes based on edge growth and parity splitting In a system for parity encoding data using a low density parity check (LDPC) code, a rate-compatible, irregular LDPC code is generated by extending a base code using a constrained edge growth operation and a parity splitting operation. The base code is a “daughter... | 06/21/2011 |
| 7962834 | Method and system for correcting burst errors in communications networks, related network and computer-program product The errors that may occur in transmitted numerical data on a channel affected by burst errors, are corrected via the operations of: ordering the numerical data in blocks each comprising a definite number of data packets; generating for each block a respective set of... | 06/14/2011 |
| 7958433 | Methods and systems for storing data in memory using zoning Methods and systems for storing data in a memory system with different levels of redundancy are disclosed. Methods and systems consistent with the present invention provide allow a redundancy level to be associated with received data, wherein associating the redunda... | 06/07/2011 |
| 7941731 | Data sending device, data receiving device, data sending method, and data receiving method A data receiving device which comprises a decoder which generates a plurality of decoded data based on 1) input data and 2) a plurality of pairs of control data and redundant data, in each the pair, the control data defining a selected encoding process and the redun... | 05/10/2011 |
| 7937647 | Error-detecting and correcting FPGA architecture A method and apparatus are provided for an error-correcting FPGA. ECC data for configuration is generated and programmed into the ECC rows in the configuration memory. While booting, it is determined whether an integrity-check bit is set. If so, an integrity check i... | 05/03/2011 |
| 7925961 | Adaptive error correction A transmitter generates error correction data according to an error correction scheme that logically arranges the communication data in a number of rows and a number of columns. The transmitter transmits the communication data and the error correction data. A receiv... | 04/12/2011 |
| 7921349 | Mode selection for data transmission in wireless communication channels based on statistical parameters A method and communication system for selecting a mode for encoding data for transmission in a wireless communication channel between a transmit unit and a receive unit. The data is initially transmitted in an initial mode and the selection of the subsequent mode is... | 04/05/2011 |
| 7908542 | Method of and apparatus for implementing a reconfigurable trellis-type decoding A chip architectural core is described for use in decoding one or more vectors received by the core in accordance with one or more recursive and/or non-recursive systematic trellis codes of varying sizes and constraints K, as well as generator polynomials. The core ... | 03/15/2011 |
| 7904792 | Apparatus and method for transmitting/receiving signal in a communication system In a communication system, a signal transmission apparatus includes an encoder for encoding an information vector into a low density parity check (LDPC) codeword with an LDPC coding scheme, and a puncturer for puncturing the LDPC codeword according to a coding rate ... | 03/08/2011 |
| 7895503 | Sphere detection and rate selection for a MIMO transmission Techniques for performing sphere detection to recover data symbols sent in a MIMO transmission are described. In an aspect, sphere detection is performed for data symbols generated with at least two modulation schemes. In another aspect, sphere detection is performe... | 02/22/2011 |
| 7890839 | Radio communication apparatus suppressing correction error while maintaining communication quality, and method and program for error correction An RSSI detection unit detects a level of a received signal. An error detection unit performs error detection of the received signal. An error correction control unit causes an error correction unit to perform error correction of the received signal only when the er... | 02/15/2011 |
| 7877671 | Communication apparatus, communication control method, and computer product A communication apparatus that is present between each of receiver and sender LANs including a user network and a WAN, and relays a packet exchanged between the sender and receiver LANs through the WAN while correcting an error in the packet. The communication appar... | 01/25/2011 |
| 7877670 | Error correcting decoding for convolutional and recursive systematic convolutional encoded sequences The invention relates to error-correcting coding and correct restart of decoding after errors of sequences that are coded by convolutional coders or LFSR based descramblers. The signals can be binary or multi-valued signals. Methods and apparatus to convolutional en... | 01/25/2011 |
| 7870465 | Reducing channel-change time In one embodiment, among others, a method for executing a change from one communication channel to another includes receiving a channel-change indication and obtaining data and FEC that corresponds to the data. The data and FEC are related to a new channel, and the ... | 01/11/2011 |
| 7856589 | Apparatus and method for improving error correction capability using stuffing byte A decoding circuit and method for improving error correction capability using a stuffing byte, in which in the decoding method, an input data packet is decoded. When it is determined that error correction is impossible based on a decoding result, a stuffing byte sec... | 12/21/2010 |
| 7844882 | Resource sharing in a telecommunications environment A transceiver is designed to share memory and processing power amongst a plurality of transmitter and/or receiver latency paths, in a communications transceiver that carries or supports multiple applications. For example, the transmitter and/or receiver latency path... | 11/30/2010 |
