Patent SG-11201810437X-A (SG)
Title: Design of hybrid automatic repeat request (harq) feedback bits for polar codes
Inventor: XU CHANGLONG
IPC: H04L1/18
Filed: 2016-07-27
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - C.-- - .` Organization 11111110111101110101011111 0110101011111111111111111111111111111111111111110111111 International Bureau (10) International Publication Number 03 (43) International Publication Date ......P' WO 2018/018464 Al 01 February 2018 (01.02.2018) WIP0 I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every HO4L 1/18 (2006.01) kind of national protection available): AE, AG, AL, AM, (21) International Application Number: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, PCT/CN2016/091914 CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, (22) International Filing Date: HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, 27 July 2016 (27.07.2016) LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, (25) Filing Language: English PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, (26) Publication Language: English SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: QUALCOMM INCORPORATED [US/US]; c/o International IP Administration, 5775 Morehouse Drive, (84) Designated States (unless otherwise indicated, for every San Diego, California 92121-1714 (US). kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (72) Inventors; and UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (71) Applicants (for US only): XU, Changlong [CN/CN]; 5775 TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, Morehouse Drive, San Diego, California 92121-1714 (US). EE, ES, FL FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, LI, Jian [CN/CN]; 5775 Morehouse Drive, San Diego, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, California 92121-1714 (US). WEI, Chao [CN/CN]; 5775 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, _ Morehouse Drive, San Diego, California 92121-1714 (US). KM, ML, MR, NE, SN, TD, TG). HOU, Jilei [US/CN]; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). Declarations under Rule 4.17: — = (74) Agent: NTD PATENT & TRADEMARK AGENCY — of inventorship (Rule 4.17(iv)) LIMITED; 10th Floor, Block A, Investment Plaza, 27 Jin- Published: = rongdajie, Xicheng District, Beijing 100033 (CN). — with international search report (Art. 21(3)) — — = = = (54) Title: DESIGN OF HYBRID AUTOMATIC REPEAT REQUEST (HARQ) FEEDBACK BITS FOR POLAR CODES (57) : Certain aspects of the present disclosure relate to techniques and = apparatus for design of hybrid automatic repeat request (HARQ) feedback bits. — The method generally includes obtaining a payload to be transmitted, partitioning ( -702 the payload into a plurality of blocks, and partitioning each block of the plurality of = = OBTAIN A PAYLOAD TO BE TRANSMITTED blocks into a plurality of sections. The method also includes deriving redundancy check information for each section of the plurality of sections, and generating a plurality of codewords, each comprising a block of the plurality of blocks and the redundancy check information for each section of the block, wherein a location of = (-704 = PARTITION THE PAYE OAD INTO A PLURALITY OF each of the sections in the codewords is determined based on an error rate corre- = BLOCKS sponding to each of the sections. = = ,706 PARTITION F AC H BLOCK OF THE PLURALITY OF BT OC KS = INTO A PLURALITY OF SECTIONS - ( -708 11 DERIVE REDl NDANC \ CHECK INFORMATION FOR EACH .4 SECTION Ok THE PLURALITY Ok SECTIONS 7r . (-710 71' GENERATE A PLURALITY OF CODEWORDS, EACH GC COMPRISING A BLOCK OF THE PLURALITY OF BLOC KS 11 AM) TILE REDUNDANCY ClIECKINIORMAIION FOR © EACH SECTION OF THE BLOCK. WHEREIN A LOCATION OF EACH OE 1HE SECTIONS IN 1HE CODE WORDS IS \,. DETERMINED BASED ON AN ERROR RATE. GC CORRESPONDING TO EACH or THE SECTIONS 11 FIG. 7 © r'l C