Patent SG-11201908068T-A (SG)
Title: An efficient interleaver design for polar codes
Inventor: LI JIAN
IPC: H04L1/00
Filed: 2018-03-09
Abstract: x(1) I x(2) I I x(P-1) lx(P) — —I— — — 4 x(P+1)x(P+2) I x(2P-1) 1 x(2P) :x(2P+1 x(3P-2)I 4 404 FIG. 4 400 406 402 x(1) I x(2) 1- x(P+ ) - I x(P- , 2) x(2P) x(2P+1): x(3P-2)I I t - o f co co 00 O O (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 October 2018 (18.10.2018) W I PO I PCT omit °nolo OHIIIIImoIIm01 o iflo oimIE (10) International Publication Number WO 2018/188439 Al (51) International Patent Classification: HO4L 1/00 (2006.01) (21) International Application Number: PCT/CN2018/078555 (22) International Filing Date: 09 March 2018 (09.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: PCT/CN2017/079903 10 April 2017 (10.04.2017) CN (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors; and (71) Applicants (for US only): LI, Jian [CN/CN]; 5775 More- house Drive, San Diego, California 92121-1714 (US). XU, Changlong [CN/CN]; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). WEI, Chao [CN/CN]; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). HOU, Jilei [US/US]; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: NTD PATENT & TRADEMARK AGENCY LIMITED; 10th Floor, Block A, Investment Plaza, 27 Jin- rongdajie, Xicheng District, Beijing 100033 (CN). (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (54) Title: AN EFFICIENT INTERLEAVER DESIGN FOR POLAR CODES (57) : Aspects of the disclosure relate to wireless communication devices configured to encode information blocks to produce code blocks and interleave the code blocks utilizing an interleaver including a plurality of rows and a plurality of columns, where the number of columns of the interleaver varies between the rows. In some examples, the interleaver includes a right isosceles trian- gle-shaped matrix of rows and columns. In other examples, the interleaver includes a trapezoid-shaped matrix of rows and columns. [Continued on next page] WO 2018/188439 Al MIDEDIMOMOIDEIREEMOMMUMOIMIDEHMEEN TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))