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1. (WO2019028169) CONSTRUCTION OF CHANNEL ORDERING FOR POLAR CODE
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Pub. No.: WO/2019/028169 International Application No.: PCT/US2018/044860
Publication Date: 07.02.2019 International Filing Date: 01.08.2018
IPC:
H03M 13/13 (2006.01) ,H03M 13/35 (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
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
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
35
Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
Applicants:
QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714, US
Inventors:
JIANG, Jing; US
SARKIS, Gabi; US
YANG, Yang; US
GAAL, Peter; US
SORIAGA, Joseph Binamira; US
KUDEKAR, Shrinivas; US
Agent:
DRAPKIN, Michael L.; US
Priority Data:
16/051,26231.07.2018US
62/540,49102.08.2017US
62/544,89813.08.2017US
Title (EN) CONSTRUCTION OF CHANNEL ORDERING FOR POLAR CODE
(FR) CONSTRUCTION D'UN ORDRE DE CANAL POUR CODE POLAIRE
Abstract:
(EN) A wireless device (e.g., a base station or user equipment (UE)) may encode a codeword using a polar code for transmission over a wireless channel. The device may identify a set of bit locations of the polar code for a set of information bits based on a bit index reliability sequence. The bit index reliability sequence may be based on applying an ordered combination of a universal partial order, an analytical method, and a simulation. The bit index reliability sequence may be determined based on a binary bit weighting for the set of bit channels that applies one or more weighting factors. In some cases, the device may store the bit index reliability sequence in a lookup table for encoding, decoding, or both. A device receiving the transmitted codeword may similarly utilize the bit index reliability sequence to decode the codeword and determine the transmitted information bits.
(FR) La présente invention concerne un dispositif sans fil (par ex., une station de base ou un équipement utilisateur (UE)) permettant de coder un mot de code à l'aide d'un code polaire pour une transmission sur un canal sans fil. Le dispositif peut identifier un ensemble d'emplacements de bits du code polaire pour un ensemble de bits d'informations sur la base d'une séquence de fiabilité d'index de bit. La séquence de fiabilité d'index de bit peut être basée sur l'application d'une combinaison ordonnée d'un ordre partiel universel, d'un procédé analytique et d'une simulation. La séquence de fiabilité d'index de bit peut être déterminée sur la base d'une pondération de bit binaire pour l'ensemble de canaux de bits qui applique un ou plusieurs facteurs de pondération. Dans certains cas, le dispositif peut stocker la séquence de fiabilité d'index de bit dans une table de consultation pour le codage et/ou le décodage. Un dispositif recevant le mot de code transmis peut également utiliser la séquence de fiabilité d'index de bit pour décoder le mot de code et déterminer les bits d'informations transmis.
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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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)