SG11201905066TA - Methods and systems for coordinating distributed mimo communications - Google Patents

Methods and systems for coordinating distributed mimo communications

Info

Publication number
SG11201905066TA
SG11201905066TA SG11201905066TA SG11201905066TA SG11201905066TA SG 11201905066T A SG11201905066T A SG 11201905066TA SG 11201905066T A SG11201905066T A SG 11201905066TA SG 11201905066T A SG11201905066T A SG 11201905066TA SG 11201905066T A SG11201905066T A SG 11201905066TA
Authority
SG
Singapore
Prior art keywords
international
san diego
california
attn
administration
Prior art date
Application number
SG11201905066TA
Inventor
George Cherian
Simone Merlin
Alfred Asterjadhi
Yan Zhou
Abhishek Pramod Patil
Jayaraman Venkata Ramanan Venkatachalam
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11201905066TA publication Critical patent/SG11201905066TA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2684—Synchronisation of a mobile station with more than one base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2665—Arrangements for Wireless Frequency Division Multiple Access [FDMA] System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/121—Wireless traffic scheduling for groups of terminals or users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H04W74/0825—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Abstract

CSMAbackoff/count-down Trigger Frame Data SIFS Checks CS state before transmission FIG. (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 26 July 2018 (26.07.2018) WIP0 I PCT omit Ill °nolo OH mom° oimIE (10) International Publication Number WO 2018/136216 Al (51) International Patent Classification: H04B 7/0452 (2017.01) H04W 52/02 (2009.01) H04W 84/12 (2009.01) H04W 72/12 (2009.01) HO4W 74/08 (2009.01) (21) International Application Number: PCT/US2017/068662 (22) International Filing Date: 28 December 2017 (28.12.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/447,314 17 January 2017 (17.01.2017) US 15/835,231 07 December 2017 (07.12.2017) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: CHERIAN, George; c/o QUALCOMM In- corporated, ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). MERLIN, Simone; c/o QUALCOMM Incorporated, AT- TN: International IP Administration, 5775 Morehouse Dri- ve, San Diego, California 92121-1714 (US). ASTERJAD- HI, Alfred; c/o QUALCOMM Incorporated, ATTN: In- ternational IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). ZHOU, Yan; c/o QUALCOMM Incorporated, ATTN: International IP Ad- ministration, 5775 Morehouse Drive, San Diego, Califor- nia 92121-1714 (US). PATIL, Abhishek Pramod; c/o QUALCOMM Incorporated, ATTN: International IP Ad- ministration, 5775 Morehouse Drive, San Diego, Califor- nia 92121-1714 (US). VENKATACHALAM JAYARA- MAN, Venkata Ramanan; 10625 Calle Mar De Mariposa, Apt. 2211, San Diego, California 92130 (US). (74) Agent: ABUMERI, Mark M.; KNOBBE MARTENS OLSON & BEAR LLP, 2040 Main Street, Fourteenth Floor, Irvine, California 92614 (US). (81) Designated States (unless otherwise indicated, for every 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, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (54) Title: METHODS AND SYSTEMS FOR COORDINATING DISTRIBUTED MIMO COMMUNICATIONS 610 600 605 615a 602 Cluster Leader Member AP-1 15b Data No Data Sent due to CS Monitor CCA & NAV Busy Member AP-2 11 11 11 (57) : Methods and systems for coordinating simultaneous transmission by two or more access points over a single channel of a wireless medium are disclosed. In one aspect, a method includes determining, by a first access point, a time when the first access 0 point and a second access point will transmit simultaneously over the channel, and transmitting, by the first access point, over the \" channel at the time. C [Continued on next page] Monitor CCA & NAV WO 2018/136216 Al MIDEDIMOMOIDEIREEMOMMIMEIHOIROMEHOM HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, 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, 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, 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))
SG11201905066TA 2017-01-17 2017-12-28 Methods and systems for coordinating distributed mimo communications SG11201905066TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762447314P 2017-01-17 2017-01-17
US15/835,231 US10637549B2 (en) 2017-01-17 2017-12-07 Methods and systems for coordinating distributed MIMO communications
PCT/US2017/068662 WO2018136216A1 (en) 2017-01-17 2017-12-28 Methods and systems for coordinating distributed mimo communications

Publications (1)

Publication Number Publication Date
SG11201905066TA true SG11201905066TA (en) 2019-08-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201905066TA SG11201905066TA (en) 2017-01-17 2017-12-28 Methods and systems for coordinating distributed mimo communications

Country Status (8)

Country Link
US (1) US10637549B2 (en)
EP (1) EP3571780A1 (en)
JP (1) JP6828173B2 (en)
KR (1) KR102163100B1 (en)
CN (1) CN110178316B (en)
BR (1) BR112019014441A2 (en)
SG (1) SG11201905066TA (en)
WO (1) WO2018136216A1 (en)

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Also Published As

Publication number Publication date
CN110178316B (en) 2021-08-17
US10637549B2 (en) 2020-04-28
CN110178316A (en) 2019-08-27
WO2018136216A1 (en) 2018-07-26
KR102163100B1 (en) 2020-10-07
JP6828173B2 (en) 2021-02-10
KR20190105223A (en) 2019-09-16
US20180205434A1 (en) 2018-07-19
BR112019014441A2 (en) 2020-04-28
JP2020504577A (en) 2020-02-06
EP3571780A1 (en) 2019-11-27

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