Patent CA-3015078-A1 (CA)
Title: Extended synchronization signal for symbol index detection
Inventor: SADIQ BILAL
IPC: H04L27/26
Filed: 2017-02-27
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY  (PCT) (19) World Intellectual Property        -, Organization ....-                                      MD    International Bureau                  0........      ......,õ"'    (10) International Publication Number (43) International Publication Date    WO 2017/165080 Al 28 September 2017 (28.09.2017) WIPO I P C T (51) International Patent Classification:            (71) Applicant: QUALCOMM  INCORPORATED [US/US]; HO4J 11/00 (2006.01)    HO4W 56/00 (2009.01) ATTN: International IP Administration, 5775 Morehouse HO4L 27/26 (2006.01)                  HO4L 25/03 (2006.01)    Drive, San Diego, California 92121-1714 (US). (21) International Application Number:                                              (72) Inventors: SADIQ, Bilal; 5775 Morehouse Drive, San PCT/U52017/019652                       Diego, California 92121-1714 (US).  LUO, Tao; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (22) International Filing Date: CEZANNE, Juergen; 5775 Morehouse Drive, San Diego, 27 February 2017 (27.02.2017) California 92121-1714 (US). ABEDINI, Navid; 5775 (25) Filing Language:                      English Morehouse Drive, San Diego, California 92121-1714 (US). MUKKAVILLI, Krishna Kiran; 5775 Morehouse Drive, (26) Publication Language:                 English San Diego, California 92121-1714 (US). ISLAM, (30) Priority Data:                                                                 Muhammad Nazmul; 5775 Morehouse Drive, San Diego, 62/313,110                     24 March 2016 (24.03.2016) US    California 92121-1714 (US). SUBRAMANIAN, Sundar; 62/315,659                     30 March 2016 (30.03.2016) US    5775 Morehouse Drive, San Diego, California 92121-1714 62/317,492                     1 April 2016 (01.04.2016) US    (US). SAMPATH, Ashwin; 5775 Morehouse Drive, San 62/324,873                     19 April 2016 (19.04.2016)    US    Diego, California 92121-1714 (US). 15/270,879 20 September 2016 (20.09.2016)    US (74) Agents: KARREN, J., Scott et al.; Holland & Hart LLP, P.O. Box 11583, Salt Lake City, Utah 84147 (US). [Continued on next page] = (54) Title: EXTENDED SYNCHRONIZATION SIGNAL FOR SYMBOL INDEX DETECTION (57) Abstract: Methods, systems, and devices for wire-less communication are described. Some examples = provide for identifying a primary synchronization signal (PSS) sequence of a synchronization subframe, detennin-= INIVI III il ing, for the synchronization subframe, an extended syn-= 210-1)                                               chronization signal (ESS) sequence based at least in part on the PSS sequence and transmitting the synchroniza-= ----' tion subframe. Other examples provide for generating an = 11111        ESS sequence for a synchronization subframe to be com-õ, ,-                        220-a            ''s municated to a UE, scrambling the ESS sequence based =    /    r p pi 105-a    215-a         \.                                      at least in part on cell-specific information associated , =    1    littl                         % ' )                                      with the base station and transmitting, to the UE, the = I     N     115-a /                                scrambled ESS sequence in the synchronization sub -=                          205-b        /    frame. s ',s 105-b 1 i                        ---/ --, -_, ...-' 110 a = = -.4 GC       ir)                                   200 FIG. 2 Il IN Il ei CD     WO 2017/165080 Al 111111111111111111111111111E010E111111111111111111110111111111111111111111#1111 (81) Designated States (unless otherwise indicated, for every    TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, kind of national protection available): AE, AG, AL, AM,    DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY,    LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, .. SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, .. GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, Declarations under Rule 4.17: KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, ¨ as to applicant's entitlement to apply for and be granted NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT,    a patent (Rule 4.17(ii)) QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, ¨                                          as to the applicant's entitlement to claim the priority of SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, the earlier application (Rule 4.17(iii)) US, UZ, VC, VN, ZA, ZM, ZW. Published: (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, ¨ with international search report (Art. 21(3)) GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU,