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1. (WO2019030908) RATE MATCHING IN POLAR CODES
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2019/030908 International Application No.: PCT/JP2017/029167
Publication Date: 14.02.2019 International Filing Date: 10.08.2017
IPC:
H03M 13/00 (2006.01) ,H03M 13/13 (2006.01)
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
M
CODING, DECODING OR CODE CONVERSION, IN GENERAL
13
Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
M
CODING, DECODING OR CODE CONVERSION, IN GENERAL
13
Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
03
Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
05
using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
13
Linear codes
Applicants:
NEC CORPORATION [JP/JP]; 7-1, Shiba 5-chome, Minato-ku Tokyo 1088001, JP
Inventors:
CHAKI Prakash; JP
KAMIYA Norifumi; JP
Agent:
KATSURAGI Yuji; JP
Priority Data:
Title (EN) RATE MATCHING IN POLAR CODES
(FR) ADAPTATION DE DÉBIT DANS DES CODES POLAIRES
Abstract:
(EN) A communication apparatus includes: an encoder that encodes an input vector to output a codeword of polar code; a memory that stores a reliability-ordered sequence of indices of the input vector and a set of indices for rate-matching; a controller that is configured to: select a frozen set of indices based on at least one of a universal rate-matching scheme and the reliability-ordered sequence stored in the memory such that the reliability-ordered sequence is generated without considering the rate-matching scheme; construct the input vector by setting the frozen set to a frozen bit and a non-frozen set to information bits; and skip codebits of the codeword outputted by the encoder from transmission, the codebits corresponding respectively to the set of indices for rate-matching.
(FR) La présente invention concerne un appareil de communication pourvu d'un codeur qui code un vecteur d'entrée de façon à délivrer un mot de code de code polaire, d'une mémoire qui stocke une séquence ordonnée par fiabilité d'indices du vecteur d'entrée et un ensemble d'indices d'une adaptation de débit, et d'un dispositif de commande qui est configuré de façon : à sélectionner un ensemble gelé d'indices sur la base d'un schéma d'adaptation de débit universel et/ou de la séquence ordonnée par fiabilité stockée dans la mémoire de telle sorte que la séquence ordonnée par fiabilité est générée sans tenir compte du schéma d'adaptation de débit; à construire le vecteur d'entrée en réglant l'ensemble gelé sur un bit gelé et un ensemble non gelé sur des bits d'informations; et à sauter des bits de code du mot de code délivré par le codeur de la transmission, les bits de code correspondant respectivement à l'ensemble d'indices de l'adaptation de débit.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)