SG11201905065UA - Methods and systems for cross bss sounding - Google Patents

Methods and systems for cross bss sounding

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Publication number
SG11201905065UA
SG11201905065UA SG11201905065UA SG11201905065UA SG11201905065UA SG 11201905065U A SG11201905065U A SG 11201905065UA SG 11201905065U A SG11201905065U A SG 11201905065UA SG 11201905065U A SG11201905065U A SG 11201905065UA SG 11201905065U A SG11201905065U A SG 11201905065UA
Authority
SG
Singapore
Prior art keywords
international
access point
san diego
report
attn
Prior art date
Application number
SG11201905065UA
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 SG11201905065UA publication Critical patent/SG11201905065UA/en

Links

Classifications

    • 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]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • H04W74/0841—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure with collision treatment
    • H04W74/0858—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure with collision treatment collision detection
    • 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
    • H04B7/0417—Feedback 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
    • H04B7/06—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
    • H04B7/0615—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 of weighted versions of same signal
    • H04B7/0617—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 of weighted versions of same signal for beam forming
    • 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
    • H04B7/0615—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 of weighted versions of same signal
    • H04B7/0619—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 of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Abstract

Reportrb Report (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 VIII °nolo OH voimiflo oimIE (10) International Publication Number WO 2018/136254 Al (51) International Patent Classification: H04B 7/0413 (2017.01) HO4B 7/06 (2006.01) H04L 25/02 (2006.01) HO4W 72/04 (2009.01) HO4B 7/0417 (2017.01) H04W 84/12 (2009.01) (21) International Application Number: PCT/US2018/012794 (22) International Filing Date: 08 January 2018 (08.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/447,272 17 January 2017 (17.01.2017) US 15/842,781 14 December 2017 (14.12.2017) 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, Cal- ifornia 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, 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, (54) Title: METHODS AND SYSTEMS FOR CROSS BSS SOUNDING (57) : Methods and systems for sounding a wireless network are dis- closed. In one aspect, a method includes receiving, by an access point a mes- sage including a beamforming report from a device. The device may be a sta- r 510a tion that is outside a basic service set of the access point. The method also in- cludes transmitting a message to the device based on the beamforming report. For example, in some aspects, the access point may utilize the beamforming report to perform a coordinated beamforming, multi-access point transmis- sion or a multi-access point MIMO transmission. In some aspects, the access point may transmit an interference nulling signal to the device based on the beamforming report. The nulling signal compensates for another simultaneous transmission by the access point that interferes with the device's reception of a message from an access point with which the device is associated. AP 104b 510c STA 106c Report r 510d STA 106d 11 00 C 11 Report FIG. 5 [Continued on next page] AP 104a = STA 106a STA 106b r 502 r - 504 r 506 NDP- A NDP Trigger WO 2018/136254 Al MIDEDIMOMOIDEIREEMOMMIMEIDENHIMEHOIS 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))
SG11201905065UA 2017-01-17 2018-01-08 Methods and systems for cross bss sounding SG11201905065UA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762447272P 2017-01-17 2017-01-17
US15/842,781 US10412769B2 (en) 2017-01-17 2017-12-14 Methods and systems for cross BSS sounding
PCT/US2018/012794 WO2018136254A1 (en) 2017-01-17 2018-01-08 Methods and systems for cross bss sounding

Publications (1)

Publication Number Publication Date
SG11201905065UA true SG11201905065UA (en) 2019-08-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201905065UA SG11201905065UA (en) 2017-01-17 2018-01-08 Methods and systems for cross bss sounding

Country Status (9)

Country Link
US (1) US10412769B2 (en)
EP (1) EP3571777B1 (en)
JP (2) JP6982082B2 (en)
KR (1) KR102061129B1 (en)
CN (1) CN110214422B (en)
BR (1) BR112019014357A2 (en)
ES (1) ES2897644T3 (en)
SG (1) SG11201905065UA (en)
WO (1) WO2018136254A1 (en)

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US11108442B1 (en) * 2018-07-20 2021-08-31 Qualcomm Incorporated Calibration and implicit sounding using multi user multiple input multiple output transmissions
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Publication number Publication date
KR102061129B1 (en) 2019-12-31
US20180206274A1 (en) 2018-07-19
CN110214422B (en) 2020-11-17
KR20190105010A (en) 2019-09-11
EP3571777B1 (en) 2021-10-06
JP6982082B2 (en) 2021-12-17
JP2021007245A (en) 2021-01-21
EP3571777A1 (en) 2019-11-27
WO2018136254A1 (en) 2018-07-26
ES2897644T3 (en) 2022-03-02
CN110214422A (en) 2019-09-06
BR112019014357A2 (en) 2020-02-27
JP2020515112A (en) 2020-05-21
US10412769B2 (en) 2019-09-10

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