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Matches 1 - 50 out of 22,314

Document Document Title
WO/2019/153232A1
A method, apparatus, and computer-readable medium for transmitting coded messages to a receiving device including constructing a data vector including a plurality of data bits, transforming the data vector into a u-domain vector, applyin...  
WO/2019/157194A1
Aspects of the present disclosure relate to low density parity check (LDPC) encoding. At least a portion of the parity bits generated by an LDPC encoder for an initial transmission may be stored for use in generating subsequent hybrid au...  
WO/2019/156980A1
A computer-implemented method for using invertible, shortened codewords is described. The method includes receiving a request to store user data bits in a set of memory devices; expanding the user data bits and an inversion bit to bit lo...  
WO/2019/152987A1
Methods, systems, and devices for wireless communications are described. An encoder of a wireless device may receive a number of information bits and a block size for transmission. If the block size is not a power of two, the encoder may...  
WO/2019/145021A1
The present invention provides a code generator (400) for generating a {N', K'} code (102) for encoding and/or decoding data transmitted in a communication channel (101) from a {N, K} code (103), wherein N and N' are code lengths, K and ...  
WO/2019/146140A1
A communication system includes a data source to receive a block of bits, a memory to store a set of distribution matchers. Each distribution matcher is associated with a probability mass function (PMF) to match equally likely input bits...  
WO/2019/144787A1
An interleaving method and an interleaving device, being used to provide a specific solution for interleaving bit sequences to be interleaved of which the length is greater than the maximum interleaving dimension determined according to ...  
WO/2019/141199A1
A sub-channel to carry an information bit, in input bits that are to be encoded, is selected from each of multiple subsets of sub-channels that are provided by a length N polar code. The subsets include sub-channels that are associated w...  
WO/2019/142912A1
A symbol-determining device of an embodiment is provided with: a transmission-line-shortening unit for multiplying the tap gain of a linear digital filter for each symbol value in some of symbol sequences of an input signal and outputtin...  
WO/2019/142684A1
This invention pertains to a transmission method and a reception device with which it is possible to ensure excellent communication quality in data transmission using LDPC coding. In groupwise interleaving, an LDPC code having a code len...  
WO/2019/142685A1
This invention pertains to a transmission method and reception device with which it is possible to ensure excellent communication quality in data transmission using LDPC coding. In groupwise interleaving, an LDPC code having a code lengt...  
WO/2019/142681A1
The present art pertains to a transmission method and a receiving device that make it possible to ensure good communication quality when using an LDPC code to transmit data. In groupwise interleaving, an LDPC code having a code length N ...  
WO/2019/142686A1
The present invention relates to a transmission method and a reception device with which it is possible to ensure good communication quality when using LDPC coding to transmit data. In group-wise interleaving in the present invention, an...  
WO/2019/142683A1
The present art pertains to a transmission method and a receiving device that make it possible to ensure good communication quality when using an LDPC code to transmit data. In groupwise interleaving, an LDPC code having a code length N ...  
WO/2019/142682A1
This invention pertains to a transmission method and reception device that make it possible to ensure good communication quality when using an LDPC code to transmit data. In groupwise interleaving in the present invention, an LDPC code h...  
WO/2019/142680A1
The present art pertains to a transmission method and a receiving device that make it possible to ensure good communication quality when using an LDPC code to transmit data. In groupwise interleaving, an LDPC code having a code length N ...  
WO/2019/137231A1
A decoding method and device for improving the degree of parallelism in decoding bit decisions and reducing decoding delays. The method comprises: making a hard decision about each LLR in an input LLR vector having a length of M to obtai...  
WO/2019/139412A1
A transmission method or a transmission apparatus maps input information of K+n bits to a polar code, encodes the input information on the basis of the polar code, and transmits the encoded input information. The input information includ...  
WO/2019/138151A1
Redundancy information is added to information to be sent over a medium and sent as spatially coupled chain with the redundancy information as local decision verification codes. In the receiving end, when the local decision verification ...  
WO/2019/137520A1
Provided in the present application are an information processing method, and a wireless transmission apparatus. The method comprises: a first wireless transmission apparatus acquiring a soft value/hard value sequence from a second wirel...  
WO/2019/137794A1
An initial instance of a plurality of data symbols is received (102) and a soft decision for each received data symbol is determined. A scaling factor,inversely proportional to a mean of the absolute values of the initial soft decisions,...  
WO/2019/139377A1
A method for performing interleaving by a communication device may comprise the steps of: writing an input bit sequence in the column direction of a memory matrix; and reading the written bit sequence in the row direction of the memory m...  
WO/2019/138358A1
Apparatuses and methods are disclosed for block interleaving. In one embodiment, a method includes generating an interleaver sequence for a control resource set, CORESET, configuration for a physical downlink control channel, the interle...  
WO/2019/134553A1
A method and device for decoding. The method comprises: a receiving device receives a sequence to be decoded transmitted by a transmitting device and acquires a first neural network corresponding to the sequence to be decoded, where all ...  
WO/2019/130475A1
[Problem] To provide encoding and decoding techniques capable of enhancing the speed of an error correction decoding process utilizing channel polarization. [Solution] Provided is an encoding device in which: an information bit sequence ...  
WO/2019/128809A1
The present application provides an information processing method, and a QC-LDPC constructed by the method helps to reduce an error layer that occurs during decoding and further improve decoding performance. The method comprises: determi...  
WO/2019/128763A1
A polar code decoder and decoding method. The polar code decoder comprises a decoding unit and a control unit communicationally connected to the decoding unit. The decoding unit comprises m input ends and n paths. The m input ends are se...  
WO/2019/120119A1
The present application provides an LDPC encoding method and a device for a communication signal, for reducing encoding complexity. The encoding method comprises: acquiring an (N-M) × 1 information bit vector I(x) according to informati...  
WO/2019/123858A1
The present invention concerns a method and device for demodulating received symbols using a turbo equalization loop for a single carrier system. A receiver: - performs a discrete Fourier transform on the received symbols, - equalizes th...  
WO/2019/124481A1
This error correction device is provided with: a first correction unit that performs error correction decoding of data by means of a repetitive calculation, and has a full operation state in which the repetitive calculation for error cor...  
WO/2019/126595A1
A method and apparatus is described for assigning columns of an LDPC H matrix to a plurality of decoding logics for efficient decoding of codewords. The rows of the LDPC H matrix are evaluated in a number of different orderings, and for ...  
WO/2019/126328A1
Aspects of the present disclosure relate to a shift register architecture for quasi-cyclic low-density parity check, QC-LDPC, encoding or decoding performing cyclic shifts corresponding to the parity-check matrix, P-matrix, of a QC-LDPC ...  
WO/2019/116503A1
In the present invention, a neural network unit (4) having the same number of output layers (42-1 through 42-M) as the number (M) of input symbols generates likelihoods for each of the symbols by means of non-linear conversion of a multi...  
WO/2019/114992A1
The present invention relates to a type of protograph-based LDPC codes, which are obtained from z-row-orthogonal base matrices with some additional structure constraints, such as a diagonal and/or double-diagonal structure, in order to a...  
WO/2019/118093A1
Methods, systems, and devices for wireless communications are described. In some systems, wireless devices may implement adjusted fractally enhanced kernel polar coding. An encoder may receive a number of information bits and a block siz...  
WO/2019/118945A1
A preamble detector for Bluetooth Low Energy includes a receiver for receiving Bluetooth packets and an energy detect controller for enabling power to the receiver during T1 and disabling power to the receiver during T2 in a cyclical fas...  
WO/2019/112745A1
In an aspect, a method of encoding data for transmission includes reading, for a block of encoded data on which interleaving and rate-matching is to be performed, the block of encoded data from a buffer, by first and second interleaving ...  
WO/2019/109689A1
Provided are a polar code encoding and decoding method, apparatus and device. The polar code encoding method comprises: acquiring a plurality of cyclic redundancy check check bits (301); determining an interleaving filling position in a ...  
WO/2019/112524A1
The invention relates to high speed decoding algorithm that can decode all the information bits simultaneously at the same time, i.e., in parallel.  
WO/2019/110721A1
Method and system for parallel, systematic encoding of a quasi- cyclic LDPC code constructed by applying iterative, hierachical lifting and having a parity check matrix with a triangular sub-matrix. The encoding method and encoding archi...  
WO/2019/110116A1
The present invention provides a device for calculating an M-bit Cyclic Redundancy Check (CRC) value from N bits of data in parallel. N is a power of two, i.e. N=2**i with i being a natural number, and M satisifies M=N/2.The device compr...  
WO/2019/106544A1
A systematic polar encoder 300, 500 with data checks includes a data mapper 310, 510, 700 receiving input data 301, 501 containing information for transmission and generating modified data 303, 503, and a nonsystematic polar encoder 320,...  
WO/2019/107912A1
An LDPC encoding device and method which have low latency and high reliability characteristics are disclosed. The disclosed device comprises: a parity generating matrix storage unit for storing a parity generating matrix which can be div...  
WO/2019/107452A1
This communication device comprises: an encoding unit that generates a second encoded bit string by encoding, via a second encoding method, a frozen bit string and a second bit string, the second bit string being constituted by a first b...  
WO/2019/104345A2
A method and apparatus for efficient data decoding is described. Data is encoded by an LDPC encoder using a G matrix. An LDPC decoder uses a modified H matrix to decode encoded blocks of data, the modified H matrix having at least two co...  
WO/2019/102621A1
The optical transmission/reception device is provided with: an error correction coding unit 23 for coding a transmitting string using LDPC codes of one type; and an error correction decoding unit 36 for decoding a received sequence which...  
WO/2019/102733A1
The present invention prevents deterioration in convergence performance and operational stability when updating a coefficient due to an increase in constraint length, thereby improving decoding performance. A decoding device according to...  
WO/2019/102450A1
There is provided a method of recursive sequential list decoding of a codeword of a polar code comprising: obtaining an ordered sequence of constituent codes usable for the sequential decoding of the polar code, representable by a layere...  
WO/2019/102373A1
According to some embodiments, a method performed by a wireless device for polar encoding payload bits comprises: identifying payload bits of a data channel that have known values; placing a first subset of the known payload bits at inpu...  
WO/2019/098689A1
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system, such as long term evolution (LTE). The present disclosur...  

Matches 1 - 50 out of 22,314