Patent SG-11201809610Y-A (SG)
Title: Redundancy in a public safety distributed antenna system
Inventor: TRAJKOVIC SASA
IPC: H04W64/00
Filed: 2017-05-12
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property :::` , 11111111111111111111101011111111111 011101111101111110011111101111111011110111111 Organization International Bureau (10) International Publication Number 03 (43) International Publication Date .....•\"\" WO 2017/197341 Al 16 November 2017 (16.11.2017) WIPO I PCT (51) International Patent H04W 64/00 (2009.01) HO4B 17/00 (2015.01) HO4B 17/24 (2015.01) (21) International Application (22) International Filing Date: (25) Filing Language: (26) Publication Language: (30) Priority Data: 62/335,383 12 (71) Applicants: DALI SYSTEMS porate Services Limited, South Church Street, George man Islands, KY1-1104 Classification: [US/US]; 535 Middlefield Road, Suite 280, Menlo Park, H04B 17/30 (2015.01) California 94025 (US). HO4B 17/382 (2015.01) (72) Inventors: TRAJKOVIC, Sasa; 4238 Southwood Street, H04W 16/00 (2009.01) Burnaby, British Columbia V5J 2E9 (CA). LEUNG, An- Number: drew; Burnaby, British Columbia V5P 1T7 (CA). PCT/US2017/032523 (74) Agent: LARGENT, Craig C. et al.; Kilpatrick Townsend & Stockton LLP Mailstop: IP Docketing - 22 1100 12 May 2017 (12.05.2017) Peachtree Street, Suite 2800, Atlanta, Georgia 30309 (US). English (81) Designated States (unless otherwise indicated, for every English 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, May 2016 (12.05.2016) US DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, CO. LTD.; Maples Cor- KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, P.O. Box 309, Ugland House, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, Town, Grand Cayman, Cay- PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, (KY). DALI WIRELESS, INC. IN A PUBLIC SAFETY DISTRIBUTED ANTENNA SYSTEM Access between of the each of = (54) Title: REDUNDANCY System Architecture 7O 718 S' CONS Za Tui , ,NE5 c' • 742 HFADEND HEAD ND EASTRW0 714 „„„„„„,,,f,, tt P O' Al 712 i /,„.' ' 4 • . z ,7:77\"\"\"\" ,, • o'r , Agg: /' ! //''''''a 5 738 ,i'z• \"\"---- / \" 4 . , ; -,,;, , ,..,._....,. * * MAIN 734 118 /1 e. /t.- 738 710-1 ---- — ----- 706 '' ,„/ , ..: 3,740 e / / I gdeg / ' 716: , ) ' ' / F\" 4,,746 iv , 7 44 d r 120 120 ,, 736 rneA C22 s p e R c lRA o ND A R A l' ii & y . 5 / „•„ 0 DIGITAL SIGNAL REMOTE UNIT RF PROCESSING SECTION SECTION RF Modules system for data transport in a Distributed Antenna System (DAS) includes a plurality of Digital of DAUs is fed by a plurality of data streams and is operable to transport digital signals The redundancy system also includes a plurality of Digital Distribution Units (DDUs). Each with each of the plurality of DAUs using cross connection communication paths. The redundancy of Digital Remote Units (DRUs). Each of the plurality of DRUs is in communication with cross connection communications paths. • SPUTTER/COMBINER Il 1-1 FIG. 7 iv M ( (57) : A redundancy IN Units (DAUs). Each of the plurality 01 others of the plurality of DAUs. 1-1 ---- plurality of DDUs is in communication IN system further includes a plurality C::::) the plurality of DDUs using ei C [Continued on next page] WO 2017/197341 Al MUM 31010101IMMEMOMMMOillinni111EVOIS 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, 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)) — before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))