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WO/2012/059312 |
To that end, it is an object of the invention to provide a method for converting a high-speed digital signal in the form of optical pulses intended to be transmitted within optical guides, within which the signal is converted into a seri...
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WO/2012/056713 |
For each row of a parity-check matrix, a check-node process unit (56) updates an extrinsic LLR on the basis of an a priori LLR with respect to inputted data. From an element that corresponds to the updated extrinsic LLR and is specified ...
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WO/2012/056712 |
By executing the min-sum algorithm on inputted data, a min-sum unit (46) alternately executes a check-node process, which updates extrinsic LLRs on the basis of a priori LLRs, and a variable-node process, which updates a priori LLRs on t...
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WO/2012/057408 |
Disclosed are encoding and decoding methods using a code-rate-adaptive low density parity code, and an encoder and a decoder using the same. The encoding method using a code-rate-adaptive low density parity code comprises the steps of: g...
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WO/2012/057109 |
Upon coding both information indicating ACK/NACK and first uplink control information, a mobile station device efficiently switches coding methods. A mobile station device (200) determines bit number of information relating to a HARQ in ...
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WO/2012/053739 |
Provided is a method and a device for generating a precoding matrix in a wireless communication system. The method for generating the precoding matrix comprises a step of receiving from a terminal feedback including information on the er...
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WO/2012/053868 |
Provided are a transmitter and a method for transmitting a data block in a wireless communication system. The method comprises the following steps: deciding the number of bits (s) and encoders (NES) to allocate to one axis of a signal co...
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WO/2012/053979 |
A method for packetizing data representing a video sequence comprising a first frame and a second frame. The method comprising determining for at least one first area of a plurality of first areas of the first frame a second area of a pl...
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WO/2012/054188 |
A channel has a first and a second end. The first end of the channel is coupled to a transmitter. The channel is capable of transmitting symbols selected from a symbol set from the first end to the second end. The channel exhibits incomp...
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WO/2012/053866 |
Provided are a transmitter and a method for transmitting a data block in a wireless communication system. The method comprises the following steps: encoding an information bit and generating a block coded with an NCBPSS bit; generating t...
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WO/2012/050020 |
The present invention relates to a data processing device and a data processing method which are capable of improving the tolerance with respect to errors. An LDPC code with a code length of 4320 bits is written in the column direction a...
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WO/2012/051048 |
Methods and systems for processing an optical signal in a communication system are disclosed. The disclosed methods yield benefits for estimation and tracking of carrier phase of received signals at a digital coherent receiver without th...
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WO/2012/048776 |
The invention relates to a method for recovering digital data that are stored on a storage medium (1) and/or are transmitted via a transmission medium (11), wherein stored and transmitted signal values (7, 17) are received and converted ...
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WO/2012/042785 |
In the present invention, a frame data recording unit (40) inputs LDPC-encoded data through a communication pathway. An inference unit (48) infers the state of the communication pathway on the basis of the input data. In accordance with ...
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WO/2012/042786 |
In the present invention, a data storage unit (44) inputs data which has been subject to LDPC encoding. A min-sum processing unit (46) executes a min-sum algorithm for the data that has been input, thereby alternately executing check nod...
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WO/2012/037749 |
An encoding method for Low Density Parity Check (LDPC) code and the apparatus thereof are provided by the present invention. The method includes: comparing the code rate of a mother code supported by an unified base matrix with a transmi...
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WO/2012/037807 |
A Turbo code parallel interleaver and a parallel interleaving method thereof are disclosed. The Turbo code parallel interleaver comprises: an interleaving unit, which is set to generate a column address of parallel read data and a row ad...
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WO/2012/039798 |
Digital communication coding methods resulting in rate-compatible low density parity-check (LDPC) codes built from protographs. Described digital coding methods start with a desired code rate and a selection of the numbers of variable no...
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WO/2012/037032 |
Systems and methods to perform distributive ECC operations are disclosed. A method includes, in a controller of a memory device, receiving data including a data block and main error correction coding (ECC) data for the data block. The da...
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WO/2012/036955 |
An embodiment of the present invention provides a method of efficiently storing metrics for Hybrid Automatic Retransmission Request (HARQ) combining and enabling saving of memory buffer in communication systems, comprising using non-line...
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WO/2012/036754 |
Joint encoding and decoding methods for improving the error rate performance are described. In one aspect, the systems and methods determine values and positions of L desired symbols. In encoding unit receives data symbols for encoding. ...
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WO/2012/036880 |
In some embodiments, the invention involves increasing hybrid automatic repeat request (HARQ) throughput. In one embodiment, throughput may be increased by clearing the retransmission buffer at least one frame in advance, based on status...
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WO/2012/034398 |
A method and device for implementing viterbi decoding are provided in the present invention. The method includes the following steps: calculating the branch path metric values of the received code and the reference code; according to the...
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WO/2012/036077 |
The present invention relates to a data processing device and a data processing method capable of improving data error resilience. In a case where LDPC codes having a code length of 4320 bits are mapped to sixteen signal points, a demult...
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WO/2012/037460 |
A system and method for transmitting LDPC parameters is provided. In the method, an initial number of OFDM symbols (Nsym_init) is determined for a packet that is based on the number of information bits to be delivered in the packet. An S...
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WO/2012/032371 |
A configurable Turbo-LDPC decoder comprising: - A set of P>1 Soft-Input-Soft-Output decoding units (DP0 - DPP-1; DPi) for iteratively decoding both Turbo- and LDPC-encoded input data, each of said decoding units having first (I1 i) and s...
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WO/2012/032074 |
The present invention is related to a method for optimising a coded modulation scheme with a given spectral efficiency for communication over a fading channel represented/identified by B fading gains, whereby B is an integer number expre...
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WO/2012/034097 |
A method for accessing extrinsic information in a turbo decoder is disclosed. Operation phases for Forward State Metric Calculators (FSMCs) and Reverse State Metric Calculators (RSMCs) in multiple maximum a posteriori probability (MAP) d...
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WO/2012/027819 |
There is provided a method of encoding and decoding data using an error control code having a codebook G. The codebook G is a sub-codebook of a codebook P. Each codeword g in the sub-codebook G has an autocorrelation amplitude that is di...
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WO/2012/031139 |
Certain aspects of the present disclosure provide techniques and apparatus for frequency interleaving for use with 80 MHz transmissions, such as those in the IEEE 802.11ac amendment to the IEEE 802.11 standard. According to certain aspec...
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WO/2012/029614 |
The present invention relates to a data processing device and a data processing method that can improve the robustness of data against errors. An LDPC encoder (115) performs encoding with one of LDPC codes having a code length of 4320 bi...
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WO/2012/026742 |
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a precoded signal in a multiple antenna supported wireless communication system. A method according to an...
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WO/2012/025457 |
The invention relates to a method for recovery of lost data and for correction of corrupted data transmitted from a sending device (10) to a receiver device (12), the method comprising the steps: Encoding the data by an encoder (14) conn...
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WO/2012/026787 |
Provided is a method for transmitting data in a communication or broadcasting system using a linear block code by generating a codeword by encoding input information data bits, interleaving the codeword; outputting modulation signal-cons...
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WO/2012/026742 |
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a precoded signal in a multiple antenna supported wireless communication system. A method according to an...
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WO/2012/026787 |
Provided is a method for transmitting data in a communication or broadcasting system using a linear block code by generating a codeword by encoding input information data bits, interleaving the codeword; outputting modulation signal-cons...
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WO/2012/027400 |
A method of generating a parity check matrix for iterative decoding of a linear block code includes: determining a set of parity check vectors for the linear block code; ordering according to Hamming weight non-zero parity check vectors ...
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WO/2012/027400 |
A method of generating a parity check matrix for iterative decoding of a linear block code includes: determining a set of parity check vectors for the linear block code; ordering according to Hamming weight non-zero parity check vectors ...
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WO/2012/023751 |
A method of transmitting, by a first terminal, information about a pre-coding matrix to a base station in a multiple node system comprises the steps: measuring a downlink channel of a first node through a reference signal for CSI (Channe...
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WO/2012/024644 |
Systems and methods for intelligently reducing the number of log-likelihood ratios (LLRs) stored in memory of a wireless communication device are described herein. In one aspect, the systems and methods described herein relate to selecti...
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WO/2012/023765 |
A transmitter and a receiver of a multiple input multiple output (MIMO) communication system may use two codebooks to share channel information. When the transmitter uses eight transmit antennas, two codebooks may be defined. When the re...
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WO/2012/020278 |
Data storage devices and methods to encode and decode data using divisions of memory cell states are disclosed. A method includes dividing data bits into disjoint multiple groups of data bits and storing the data bits into a plurality of...
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WO/2012/019465 |
A channel decoding method and a tail biting convolutional decoder are provided. The method includes that: the tail biting convolutional decoder performs adding-comparing-selecting processing on the measurement values of the 2N states acc...
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WO/2012/017652 |
The error correcting decoding device of the present invention performs Low-Density Parity-Check (LDPC) decoding which accommodates a plurality of coding rates while sharing circuits to suppress increase in circuit scale. If the set encod...
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WO/2012/013211 |
A technique for decoding a signal in a communication network is provided. A method implementation of the technique comprises the steps of receiving a signal; identifying a position in the signal; initializing a Viterbi state metric; and ...
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WO/2012/013526 |
An embodiment of the invention relates to a method of determining an optimum sequence of algorithms, wherein each algorithm defines a receiver function of a receiver, which has a plurality of receiver functions and which is adapted to re...
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WO/2012/008921 |
In an embodiment, a data encoding method may be provided. The data encoding method may include: inputting data to be encoded; determining a polynomial so that an evaluation of the polynomial at a sum of a first supporting point of the po...
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WO/2012/008066 |
A variable-length input data block is de-interleaved by using one memory without an additional storage means. Disclosed is a de-interleaving device for de-interleaving an interleaved input data block by storing data of an original data b...
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WO/2012/008710 |
The present invention relates to a wireless communication system, and more particularly, to a method and device for transmitting/receiving a signal by using a code book. According to an embodiment of the present invention, the method for...
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WO/2012/008710 |
The present invention relates to a wireless communication system, and more particularly, to a method and device for transmitting/receiving a signal by using a code book. According to an embodiment of the present invention, the method for...
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