Patent SG-11201902083R-A (SG)
Title: Wireless communication between wideband enb and narrowband ue
Inventor: YERRAMALLI SRINIVAS
IPC: H04W74/08
Filed: 2017-10-27
Abstract: 12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1111114110111010101111101 110I 00111111111111011310011011111011011 Organization (10) International Publication Number International Bureau International Publication Date .....0\"\"\" WO 2018/085150 Al 11 May 2018 (11.05.2018) WIPO I PCT — (51) (21) (22) (25) Filing Language: (26) (30) (71) Applicant: QUALCOMM INCORPORATED [US/US]; (72) International Patent Classification: house Drive, San Diego, California 92121-1714 (US). PA- H04W 74/08 (2009.01) TEL, Chirag; c/o QUALCOMM INCORPORATED, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). International Application Number: RICO ALVARINO, Alberto; c/o QUALCOMM INCOR- PCT/US2017/058835 PORATED, 5775 Morehouse Drive, San Diego, California International Filing Date: 92121-1714 (US). 27 October 2017 (27.10.2017) (74) Agent: HODGES, Jonas J. et al.; c/o ARENT FOX LLP, English 1717 K Street NW, Washington, District of Columbia 20006-5344 (US). Publication Language: English (81) Designated States (unless otherwise indicated, for every Priority Data: kind of national protection available): AE, AG, AL, AM, 62/416,651 02 November 2016 (02.11.2016) US AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 15/635,000 27 June 2017 (27.06.2017) US 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, ATTEN: International IP Administration, 5775 Morehouse HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, Drive, San Diego, California, 92121-1714 (US). 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, Inventors: YERRAMALLI, Srinivas; c/o QUALCOMM OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, INCORPORATED, 5775 Morehouse Drive, San Diego, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, California 92121-1714 (US). KADOUS, Tamer; c/o TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. QUALCOMM INCORPORATED, 5775 Morehouse Dri- ve, San Diego, California 92121-1714 (US). LIU, Chih- (84) Designated States (unless otherwise indicated, for every Hao; c/o QUALCOMM INCORPORATED, 5775 More- kind of regional protection available): ARIPO (BW, GH, = Title: WIRELESS : bandwidths, a frame, wherein the dual CCA procedure comprises a first type of CCA procedure followed by a second type the first type of CCA procedure is unsuccessful. The apparatus may transmit during the frame when at least one the dual CCA procedure perform eCCA for a second period of time following the CCA, when the CCA is unsuccessful. (54) kr) different COMMUNICATION BETWEEN WIDEBAND ENB AND NARROWBAND UE 800 ... nit 802 804 1 1 and UEs having CCA procedure of CCA procedure CCA procedure of the dual period of time = = = = = = Initial CCA Extended CCA or reservation signal = = = = -40-200us 1.8ms — = FIG. 8 A method and apparatus for wireless communication in the unlicensed spectrum between an eNB e.g., between a narrowband UE and a wideband eNB. A base station apparatus may perform a dual procedure is successful and may refrain from transmitting during the frame when both CCA procedures are unsuccessful. In performing the dual CCA procedure, the apparatus may perform CCA for a first _ ,-1 .4 C:::: ) (57) In for Ot when ---- of GC CCA 1-1 © then ei C [Continued on next page] WO 2018/085150 Al MIDEDIMOMOIDEIREIDIONIMUM1100110MEMOIMIE GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, 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). Declarations under Rule 4.17: — as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(U)) — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))