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7607073 |
Methods, algorithms, software, circuits, receivers and systems for iteratively decoding a tailbiting convolutional code
Methods, software, circuits and systems involving a low complexity, tailbiting decoder. The method relates to appending and/or prepending data subblocks to a serial data block, decoding and...
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7590917 |
Parameter generation for interleavers
An interleaver parameter generator circuit used to calculate and generate on an as needed basis interleaver parameters for interleaving blocks of information of varying lengths in accordance with a...
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7590913 |
Method and apparatus of reporting memory bit correction
Briefly, a method, main processing unit and a computer system to report a failure in a bit of a memory line by updating first and second counters for a first time and a second time correction of...
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7586852 |
Devices, software and methods for measuring packet loss burstiness to determine quality of voice data transmission through a network
Devices, software, and methods measure a burstiness of packet loss episodes in transmissions of voice data through networks. At least one burstiness statistic is determined to quantify how the lost...
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7584401 |
Channel interleaving/deinterleaving apparatus in a communication system using low density parity check code and control method thereof
A channel interleaving method and apparatus in a communication system using a low density parity check (LDPC) code. Upon receipt of information data bits, an encoder encodes the information data...
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7584400 |
Clash-free irregular-repeat-accumulate code
Methods, apparatuses, and systems are presented for performing data encoding involving receiving a sequence of data bits, encoding the sequence of data bits in accordance with a parity check matrix...
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7568145 |
Prunable S-random interleavers
A system, method and machine-readable medium for pruning an S-random interleaver starting with an interleaver permutation having N elements and alternating between invalidating the last element of...
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7555698 |
Method and apparatus for extracting specific data from BIS data
Methods and apparatus for extracting a portion of data from a plurality of BIS data are disclosed. The portion of data can be extracted from the plurality of BIS data stored in a first storage unit...
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7555694 |
Channel interleaving/de-interleaving apparatus in a communication system using a low density parity check code and control method thereof
In a communication system, information data bits are encoded in a preset coding scheme when the information data bits are input, and a Low Density Parity Check (LDPC) codeword is generated. The...
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7552376 |
Modeling error correction capability with estimation of defect parameters
A method, system and program product accurately model the error characteristics of a communications system, such as a tape storage system. Input parameters are entered which describe defect rates...
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7549108 |
Methods and systems for secure control of system modes and sub-modes
Systems, methods and data structures are provided for representing robust data transmitted within a control system. The data structure includes at least two data fields identifying sub-modules and...
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7546516 |
System and method for forward error correction
Prior to transmission, data bits are arranged into matrices having blocks sized in accordance with a size or rate of an error burst. The matrices are arranged into an ordered set having first and...
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7539930 |
System, method and apparatus of protecting a wireless transmission
Embodiments of the present invention provide a method, apparatus and system of protecting a wireless transmission. The method according to some demonstrative embodiments of the invention may...
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7530004 |
Error correction apparatus using forward and reverse threshold functions
An error detection and correction apparatus includes three threshold logic units which make decisions based on current and previous bit values in a bit stream of block-coded data. One of the...
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7526712 |
Deinterleaving apparatus and method using inner memory and outer memory
An apparatus and a method for deinterleaving using an inner memory and an outer memory. The apparatus includes data receiving apparatus of a mobile equipment in a mobile communication system...
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7523377 |
Random-access multi-directional CDMA2000 turbo code interleaver
An interleaver that implements the LCS turbo interleaver algorithm utilized by the CDMA2000 standard is described. The interleaver includes a first computation unit for receiving an input address...
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7493457 |
States encoding in multi-bit flash cells for optimizing error rate
To store N bits of M≧2 logical pages, the bits are interleaved and the interleaved bits are programmed to ┌N/M┐ memory cells, M bits per cell. Preferably, the interleaving puts the same...
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7492291 |
Methods and apparatus for interfacing a plurality of encoded serial data streams to a serializer/deserializer circuit
Methods and apparatus are provided for interfacing a plurality of encoded serial data streams, such as Serial Gigabit Media Independent Interface streams, to a serializer/deserializer circuit. A...
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7490282 |
Method and apparatus of turbo encoder
Briefly, an apparatus, a method and a wireless communication device are provided. The wireless communication device includes a turbo encoder to generate an encoded data block and a transmitter to...
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7464319 |
Forward error correction with codeword cross-interleaving and key-based packet compression
An encoder encodes each of a plurality of data fragments into an encoded packet comprising a plurality of codewords, each codeword comprising a set of data bytes from the data fragment and at least...
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7464241 |
Memory transaction burst operation and memory components supporting temporally multiplexed error correction coding
Methods and apparatus for use with memory systems and memory modules are included among the embodiments. In exemplary systems, error-correction coding (ECC) data is temporally multiplexed with user...
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7454691 |
Method and system for encoding digital data for optical recording system
The present invention is a method and system for encoding digital data. The encoding system proceeds the step of calculating error detection code and the step of scrambling the main data at the...
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7454682 |
System for identifying localized burst errors
A system for detecting one or more localized burst errors in a receiving message comprised of a plurality of codewords. The system comprises a trellis code decoder for decoding a receiving message...
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7447971 |
Data recovery systems and methods
Systems, methodologies, media, and other embodiments associated with data recovery are described. One exemplary system embodiment includes a sampling logic configured to sample data from a data...
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7441163 |
Method of recording/reproducing digital data and apparatus for same
A digital data recording/reproducing method includes the steps of: interleaving data on a PI code for each PI code of a 208-row ECC block; and converting a short burst error into random errors by...
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7433358 |
Characterization of impaired intervals in a voice over packet session using audio frame loss concealment
An embodiment may include an apparatus comprising a dejitter buffer to receive packets containing audio data, a codec coupled with the dejitter buffer, the codec to receive coded audio frames from...
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7389467 |
Method of error correction coding, and apparatus for and method of recording data using the coding method
A method of recording data includes forming a plurality of codewords by error correction coding a predetermined amount of inputted data according to a predetermined method, and recording the data...
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7389465 |
Error detection and correction scheme for a memory device
Data is read from a memory array. Before being stored in a data buffer, a Hamming code detection operation and a Reed-Solomon code detection operation are operated in parallel to determine if the...
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7376882 |
Adaptable channel compensation for reliable communication over fading communication links
A method for reducing fading channel signal data loss for serial data rates up to approximately 10 gigabits per second includes sequentially distributing serial data to multiple encoders....
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7370262 |
Apparatus and method generating error flag for error correction
An error flag generation apparatus and method for error correction, wherein the apparatus includes: a frame-sync error memory which stores frame-sync error information for each data block; a BIS...
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7352780 |
Signaling byte resiliency
A method and system for providing signaling byte resiliency across a telecommunications network. Embodiments of the invention create copies of original signaling bytes and transports the copies in...
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7350133 |
Error correction encoding apparatus and method and error correction decoding apparatus and method
An error correction encoding method including generating error correction code data, which is a predetermined number of bytes long, by error-correction-encoding user data in a predetermined manner;...
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7346827 |
Forward error correction scheme for data channels using universal turbo codes
A method of providing forward error correction for data services uses a parallel concatenated convolutional code which is a Turbo Code comprising a plurality of eight-state constituent encoders...
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7343543 |
Method, system and apparatus for transmitting interleaved data between stations
A system for transmitting data between stations, such as base stations and subscriber stations in a wireless telecommunications system, employs variable set of interleaving parameters for its...
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7340664 |
Single engine turbo decoder with single frame size buffer for interleaving/deinterleaving
A method and apparatus for decoding and de-interleaving a received encoded and interleaved signal, the method employing and the apparatus including a single decoder coupled to a common buffer, the...
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7340663 |
Method and apparatus for embedding an additional layer of error correction into an error correcting code
A method of embedding an additional layer of error correction into an error correcting code, wherein information is encoded into code words of said code over a first Galois field and wherein a...
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7334059 |
Multiple burst protocol device controller
Multiple burst memory access handling protocols may be implemented at the hardware level or evaluated and selected during design of the hardware. The appropriate burst protocol may be selectable...
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7317762 |
Third generation FDD modem interleaver
A method and apparatus are disclosed for deinterleaving expanded interleaved data blocks, particularly for use in a wireless telecommunications system such as provided by the Third Generation...
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7290195 |
Adaptive acknowledgment delay
Adaptive acknowledgement delay entails adaptively adjusting an acknowledgement delay period responsive to channel quality. A destination device is enabled to set the acknowledgment delay period...
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7284184 |
Forward error correction scheme compatible with the bit error spreading of a scrambler
A method for combining a simple forward error correction code i.e., a Hamming-like code with scrambling and descrambling functions is disclosed. Therefore, irrespective of the information to be...
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7284183 |
Method and apparatus for decoding multiword information
A method for decoding multiword information comprises steps (a) to (h). In step (a), a multiword information cluster including high protective words and low protective words is provided, wherein...
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7281194 |
Recording method for recording data on a recording medium
If a large minimum data unit for recorded data is used to record a small data amount of management information, the recording time is long, and furthermore when a WO (write once) is used as the...
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7278089 |
System and method for error detection in encoded digital data
A receiver is to receive an encoded data block that was encoded using a convolutional encoder and includes source bits and error detection bits. The receiver may include a Viterbi decoder, a...
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7266759 |
Semiconductor integrated circuit device and error checking and correcting method thereof
A semiconductor integrated circuit device includes a memory cell array, an error checking and correcting (ECC) circuit which performs an error checking and correcting operation for readout data...
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7254076 |
Semiconductor memory device for improving response margin of redundancy flag signal and redundancy driving method for the same
A burst mode compatible semiconductor memory device having a redundancy memory adapted to repair a normal memory is disclosed. Response margin for a redundancy flag signal and redundancy driving...
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7233612 |
Wireless communication deinterleaver using multi-phase logic and cascaded deinterleaving
A deinterleaver module in an OFDM wireless transceiver includes partitioned memory banks for storage of code word fragments from an interleaved data stream, each code word fragment associated with...
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7231579 |
Method and apparatus for using fire decoder to correct burst errors in a real-time communications system
Error bursts are detected and corrected in a communication system using shortened cyclic codes, such as shortened Fire codes. Data is loaded into a first error syndrome register and a second error...
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7231578 |
Techniques for detecting and correcting errors using multiple interleave erasure pointers
Techniques for detecting and correcting burst errors in data bytes formed in a two-level block code structure. A second level decoder uses block level check bytes to detect columns in a two-level...
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7228486 |
Methods and devices for randomizing burst errors
Error bursts are randomized by an interleaver which makes use of “set leaders” to generate permutation indices. The permutation indices are used to route bits from initial positions in an input...
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7228483 |
Turbo decoding device
To shorten a time required for a decoding process of a turbo codes without an increase in an operating frequency of the decoder by making concurrent operations of two soft-output decoders possible,...
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