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Patent Searching and Data


Matches 1 - 50 out of 21,313

Document Document Title
WO/2018/008084A1
The present invention improves throughput in such a propagation path environment that retransmission is repeated. In a transmission-side wireless communication device, transmission signal storage memories 102-1, 102-2 hold bit sequences ...  
WO/2018/009572A1
Systems, procedures, and instrumentalities are disclosed for low latency data communications utilizing advanced coding via polar codes. An encoder may receive data traffic that includes different types of traffics such as URLLC data and ...  
WO/2018/008744A1
Provided is a base station device in which turbo encoding at an encoding rate of 1/5 is applied to an input bit string and turbo encoding of first to fifth turbo coding bit strings is performed, sub-block interleaving is applied to each ...  
WO/2018/008739A1
A base station device is provided with an encoding unit that determines a code block group number, splits an input bit string destined for code block segmentation into a number of code block groups corresponding to the code block group n...  
WO/2018/002410A1
A method comprises detecting (205), in a first communications apparatus, the number of failed code blocks in a transport block transmitted (204) to the first apparatus from a second apparatus and a corresponding feedback size indicator. ...  
WO/2018/001595A1
The application is related to a forward error correction mechanism in an optical coherent communication system (CS) comprising a FEC encoder (FE) and a FEC decoder (FD) on the basis of a low density parity check, LDPC, code. The FEC enco...  
WO/2018/004941A1
An integrated circuit for implementing a Reed-Solomon encoder circuit is provided. The encoder circuit may include partial syndrome calculation circuitry and matrix multiplication circuitry. The partial syndrome calculation circuitry may...  
WO/2017/221926A1
An optical receiver is provided with a first computation unit which, on the basis of a reception signal, obtains a logarithm likelihood ratio on an M- (M is a natural number) dimensional basis, and a second computation unit which, on the...  
WO/2017/218221A1
Certain aspects of the present disclosure relate to techniques and apparatus for increasing decoding performance and/or reducing decoding complexity. An exemplary method generally includes receiving, via a wireless medium, a codeword enc...  
WO/2017/218665A1
Certain aspects of the present disclosure generally relate to techniques for puncturing of structured low-density parity-check (LDPC) codes. Certain aspects of the present disclosure generally relate to methods and apparatus for a high-p...  
WO/2017/214851A1
The embodiments of the present invention relate to a signal transfer method, transmitting terminal, and receiving terminal, said method comprising: according to the code rate of a second codeword and a second matrix, performing low-densi...  
WO/2017/218667A1
Certain aspects of the present disclosure generally relate to techniques for compactly describing lifted quasi-cyclic low-density parity-check (LDPC) codes. A method for wireless communications by a transmitting device generally includes...  
WO/2017/215489A1
The present disclosure relates to multiple-symbol combination based decoding for general polar codes. Multiple-symbol combination based decoding of a received word that is based on a codeword involves determining whether all nodes at an ...  
WO/2017/217715A1
Disclosed are a method for determining a frozen bit of a polar code and a device therefor. According to the method for determining a frozen bit of the present invention, a weight of each input bit can be determined on the basis of a stru...  
WO/2017/215494A1
Systems and methods are disclosed that relate to performing rate matching when using polar codes. In one embodiment, a plurality of bits are received at a polar encoder. A value is obtained that corresponds to at least one of: a coding r...  
WO/2017/215491A1
Systems and methods are disclosed for performing rate matching when using general polar codes. In one embodiment, a method of generating a codeword includes receiving bits at a polar encoder and encoding the bits using polar encoder kern...  
WO/2017/217577A1
Provided is a method for generating a quantum error correction code by using a graph state. The method for generating a quantum error correction code by using a graph state, according to one embodiment of the present invention, comprises...  
WO/2017/213698A1
Methods and apparatus for automatic qubit calibration. In one aspect, a method includes obtaining a plurality of qubit parameters and data describing dependencies of the plurality of qubit parameters on one or more other qubit parameters...  
WO/2017/213329A1
A decoding method of an error-correcting code based on a likelihood ratio and parity is disclosed. A data decoding method according to an embodiment of the present invention may be configured to: determine, on the basis of a likelihood r...  
WO/2017/212547A1
An area designation unit (1002) designates, in a transmission frame, a first area in which a fixed form of bit sequence appears, a second area in which a bit sequence similar to a specified bit sequence appears and a third area in which ...  
WO/2017/213409A1
A channel decoding method is provided. The method includes storing, in a memory, a set of first log likelihood ratio (LLR) values corresponding to bits of a codeword generated by modulation of a channel-encoded signal; changing, into a p...  
WO/2017/206055A1
Disclosed in the present invention are a puncturing method and device. The method comprises: acquiring a frozen index set of polar codes with the length of N symbols and an N*N generation matrix; transforming, according to the frozen set...  
WO/2017/209836A1
Certain aspects of the present disclosure relate to techniques and apparatus for improving decoding latency and performance of Polar codes. An exemplary method generally includes generating a codeword by encoding information bits, using ...  
WO/2017/209837A1
Certain aspects of the present disclosure relate to techniques and apparatus for improving decoding latency and performance of Polar codes. An exemplary method generally includes generating a codeword by encoding information bits using a...  
WO/2017/210205A1
Certain aspects of the present disclosure relate to techniques and apparatus for increasing decoding performance and/or reducing decoding complexity. An exemplary method generally includes obtaining a payload to be transmitted, partition...  
WO/2017/204007A1
The present invention provides a feature with which it is possible to effectively suppress an increase in computation scale when applying maximum likelihood detection (MLD) to a multi-level modulation scheme. A likelihood calculation uni...  
WO/2017/204002A1
The present invention pertains to a signal processing device and a signal processing method that enable robust reproduction of data recorded at high density. The frame sync (FS), which represents the header of a frame, is restored by, fr...  
WO/2017/204705A1
A Transmitting Node (TN) 102 and a method therein for providing enhanced channel coding of a packet transmitted in a communications network 100. The TN applies, to payload data, an outer channel encoder resulting in a plurality of outer ...  
WO/2017/197465A1
Disclosed herein is a system (10) for transmitting a data stream (12). The system (10) is configured to receive the data stream (12). The data stream (12) carries a plurality of orders that are destined for a market (24) configured for e...  
WO/2017/200861A1
Methods, systems, and devices for wireless communication are described. A transmitter, such as a user equipment and/or a base station, may perform polar coding to encode bits. The polar coding may be associated with a plurality of compon...  
WO/2017/197561A1
Disclosed in the embodiments of the present invention are a convolutional LDPC decoding method, device, decoder, and system, relating to the technical field of communications and capable of improving accuracy in the decoding process. The...  
WO/2017/193558A1
Provided are a data processing method and device for a structured LDPC code. The method comprises: acquiring the size of a structured LDPC code block (S202); determining a code expansion factor z at least according to one of the followin...  
WO/2017/196391A1
Disclosed herein are user equipment (UE) and base station (eNB) apparatus and methodology for polar code construction, representation and encoding/decoding. An apparatus of a UE may include memory and processing circuitry coupled to the ...  
WO/2017/196451A1
Certain aspects of the present disclosure relate to techniques and apparatus for enhanced decoding, for example, by providing a multi-phase tail biting convolutional code (TBCC) decoding algorithm. An exemplary method generally includes ...  
WO/2017/197111A1
Techniques and apparatus are provided for efficiently generating multiple lifted low-density parity-check (LDPC) codes for a range of blocklengths and having good performance. A method for wireless communications by a transmitting device...  
WO/2017/196946A1
A wireless terminal and a node employed in a wireless communications system comprise an outer coding unit configured to use a code with properties akin to Raptor codes as outer erasure codes; and an inner coding unit configured to use an...  
WO/2017/194133A1
Encoder (400) for encoding K information bits into a code word of length N´ on the basis of a polar code of length N, wherein N is a power of 2 and greater than or equal to N´. The encoder (400) comprises a memory (403) storing a plura...  
WO/2017/196827A1
Communication devices, systems and methods for performing multi-layer packet coding (MLPC) in a wireless system are provided. The MLPC includes segmenting a data stream into a plurality of data segments, encoding each of the plurality of...  
WO/2017/194013A1
An error correction coding method and device. The method comprises: segmenting a first bit sequence on which error correction coding is to be performed (S202); respectively performing error check coding on some or all of the bit sequence...  
WO/2017/196203A1
The invention relates to devices and methods implementing generalized polar codes with improved Hamming distance. For instance, the invention relates to an encoder (110) for encoding a data vector z, wherein the encoder (100) comprises a...  
WO/2017/197358A1
Described is an apparatus. The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to select a set of coding rates comprising a plurality of coding rates. The second ci...  
WO/2017/194780A1
Disclosed herein is a method of determining a generator matrix for defining a systematic code with parameters [n, k, d] over GF(q), wherein n is the total number of nodes, k is the number of source nodes, (n - k) is the number of redunda...  
WO/2017/196117A2
A method for receiving a signal by integer forcing in a wireless communication system is provided. The method includes receiving one or more signals through a plurality of antennas, filtering the received one or more signals using a forc...  
WO/2017/193677A1
The present disclosure describes a method, an apparatus, and a computer readable medium for hybrid automatic repeat request (HARQ) transmissions. For example, the method may include generating a first codeword for a first information blo...  
WO/2017/197267A1
Certain aspects of the present disclosure generally relate to techniques for enhanced puncturing and low-density parity-check (LDPC) code structure. A method for wireless communications by a transmitting device is provided. The method ge...  
WO/2017/193614A1
An encoding method and device and a decoding method and device for a structured LDPC. The encoding method comprises: determining a basic matrix used for encoding, the basic matrix comprising one or more submatrixes. The submatrix compris...  
WO/2017/197157A1
A method and software product display errors of a tracking system that utilizes a plurality of receivers positioned around a tracking area to receive pings periodically transmitted by a tracking tag within the tracking area. For each loc...  
WO/2017/185377A1
Disclosed in embodiments of the present invention are a polar code encoding method and apparatus. The encoding method may comprise: a reception end receives a polar code and indication information for indicating that the code length of t...  
WO/2017/188873A1
There is provided mechanisms for encoding an information sequence into an encoded sequence. A method is performed by an information encoder. The method comprises obtaining the information sequence. The method comprises inserting at least...  
WO/2017/186307A1
A method is performed by an information decoder. The method comprises obtaining (S102) an encoded sequence having been encoded using a polar code. The method comprises successively decoding (S104) the encoded sequence into the successive...  

Matches 1 - 50 out of 21,313