Patent SG-11201901239X-A (SG)
Title: Enhancements to phase-noise compensation reference signal design and scrambling
Inventor: AKKARAKARAN SONY
IPC: H04L5/00
Filed: 2017-09-19
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 11111 1411 0 11101 0I0 11111 3E1 0 011101 1011 011111111 100 IM MO 1111 OEN Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\" WO 2018/063854 Al 05 April 2018 (05.04.2018) WIP0 I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every H04L 5/00 (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/US2017/052205 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, (22) International Filing Date: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, 19 September 2017 (19.09.2017) 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, (25) Filing Language: English OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (26) Publication Language: English SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, (30) Priority Data: TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 62/401,049 28 September 2016 (28.09.2016) US (84) Designated States (unless otherwise indicated, for every 15/707,821 18 September 2017 (18.09.2017) US kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (71) Applicant: QUALCOMM INCORPORATED [US/US]; UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, ATTN: International IP Administration, 5775 Morehouse TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, Drive, San Diego, California 92121-1714 (US). EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (72) Inventors: AKKARAKARAN, Sony; 5775 Morehouse MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Drive, San Diego, California 92121-1714 (US). LUO, Tao; TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, _ 5775 Morehouse Drive, San Diego, California 92121-1714 KM, ML, MR, NE, SN, TD, TG). (US). = (74) Agent: DRAPKIN, Michael L.; Holland & Hart LLP, P.O. = Box 11583, Salt Lake City, Utah 84147 (US). = = — (54) Title: = = = ENHANCEMENTS TO PHASE-NOISE COMPENSATION REFERENCE SIGNAL DESIGN AND SCRAMBLING (57) : Methods, systems, and devices for wireless communication are de- scribed. In one example, phase-noise compensation tracking signals (PTRS) may De Lone be transmitted using sets of resource blocks (RBs), where a frequency for each 315 : n PTAS PTRS within the sets RBs is different from a frequency corresponding to a direct = 510 CENNEMEN MENNEN n current (DC) tone. In another example, a time-domain-based PTRS may be used, where a discrete Fourier transform (DFT)-spread-orthogonal frequency division ....... = _ ' 20 UM= MEM... n multiplexing (DFT-s-OFDM) symbol may include a cyclic prefix and a PTRS in- serted in the DFT-s-OFDM symbol. Additionally or alternatively, a guard-inter- - 30 3 -I 11111111111111.11 EMMEN.. val-based DFT-s-OFDM symbol may include a PTRS that replaces part or all of a = MENNEN n guard interval. In some examples, subsets of tones used for PTRS across a system = MENNEN. bandwidth be = MENNEN n may transmitted using a scrambled modulation symbol, where at — MENNEN least one antenna port may be used for the transmission of PTRS. = ,_ ' 25 MEM.= • • • ...... = ....... ...MEE .1111111111. ....... - ....... ....... 11 ....... ....... ....... 7r 7r ....... n GC M • • T © \... 11 FIG. 3 © ei C [Continued on next page] WO 2018/063854 Al MIDEDIMOMMIONE10111110110MMIEHEMOVOIS Published: — with international search report (Art. 21(3)) — before the expiration of the time limit for amending the claims and to be republished in the event amendments (Rule 48.2(h)) of receipt of