Patent SG-11201804380P-A (SG)
Title: Narrow band physical random access channel frequency hopping patterns and detection schemes
Inventor: GAAL PETER
IPC: H04B1/713
Filed: 2016-11-03
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau (43) International Publication Date ..... ......r ...) 13 July 2017 (13.07.2017) WI P0 I P CT ID Hit (10) WO International 2017/119943 111111111111111111IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIMIIIIIIIIIIIIIII Publication Al Number (51) International Patent Classification: (US). WANG, Xiao Feng; 5775 Morehouse Drive, San HO4W 74/08 (2009.01) H04B 1/713 (2011.01) Diego, California 92121-1714 (US). XU, Hao; 5775 More- (21) International Application Number: house Drive, San Diego, California 92121-1714 (US). CHEN, Wanshi; 5775 Morehouse Drive, San Diego, Cali- PCT/US2016/060335 fornia 92121-1714 (US). (22) International Filing Date: (74) Agent: LARSEN, Per, H.; Holland & Hart LLP, P.O. Box 3 November 2016 (03.11.2016) 11583, Salt Lake City, Utah 84147 (US). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (30) Priority Data: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 62/276,211 7 January 2016 (07.01.2016) US DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, 15/341,753 2 November 2016 (02.11.2016) US HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, (71) Applicant: QUALCOMM INCORPORATED [US/US]; KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, ATTN: International IP Administration, 5775 Morehouse MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, Drive, San Diego, California 92121-1714 (US). 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, (72) Inventors: GAAL, Peter; 5775 Morehouse Drive, San TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, Diego, California 92121-1714 (US). WANG, Renqiu; ZW. 5775 Morehouse Drive, San Diego, California 92121-1714 [Continued on next page] Title: NARROW BAND PHYSICAL RANDOM ACCESS CHANNEL FREQUENCY HOPPING PATTERNS AND DETEC- (54) TION SCHEMES (57) : Methods, and devices are systems, described for wireless communication. Dedicated frequency resources of a physical random access Irillt _ ------- — channel (PRACH) may be designated for large and _ _ ..... — , --. frequency hops to facilitate the determination small N. ••. 125-a N. of timing offsets for PRACH transmissions. For in- N 125-b \ stance, a frequency hopping within the la pattern \ i PRACH channel having a of single tone \ plurality i i 115-b 1 transmission may include a first number of hops as- sociated with a / first frequency hopping distance 105-a \ (e.g., large frequency hops), and a second number of / / \ , hops associated with a second frequency hopping 115-a N. N. ..-..- distance (e.g., small frequency hops). — — P - — — — — — — — — ----- 110-a Il .4t M i t O\ Cr \ \ ------- 200 1-1 1-1 FIG. 2 N 1-1 0 ei O WO 2017/119943 AlIMIHMOREHEDIDEM3HICIDIMOIMIDDRUDIMIE (84) Designated States (unless otherwise indicated, for every Published: kind of regional protection available): ARIPO (BW, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, GH, SZ, RU, — with international search report (Art 21(3)) before the expiration of the time limit for amending the TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, DE, LT, SE, GA, claims and to be republished in the event amendments (Rule 48.2(h)) of receipt of GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).