BR112019014441A2 - método e sistemas para coordenar comunicações mimo distribuídas - Google Patents

método e sistemas para coordenar comunicações mimo distribuídas Download PDF

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Publication number
BR112019014441A2
BR112019014441A2 BR112019014441A BR112019014441A BR112019014441A2 BR 112019014441 A2 BR112019014441 A2 BR 112019014441A2 BR 112019014441 A BR112019014441 A BR 112019014441A BR 112019014441 A BR112019014441 A BR 112019014441A BR 112019014441 A2 BR112019014441 A2 BR 112019014441A2
Authority
BR
Brazil
Prior art keywords
wireless device
frame
access point
transmit
wireless
Prior art date
Application number
BR112019014441A
Other languages
English (en)
Portuguese (pt)
Inventor
Pramod Patil Abhishek
Asterjadhi Alfred
Cherian George
Merlin Simone
Ramanan Venkatachalam Jayaraman Venkata
Zhou Yan
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 BR112019014441A2 publication Critical patent/BR112019014441A2/pt

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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. Transmission Power Control [TPC] 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 leader and terminal is follower
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower 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
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0825—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] 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)
BR112019014441A 2017-01-17 2017-12-28 método e sistemas para coordenar comunicações mimo distribuídas BR112019014441A2 (pt)

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
BR112019014441A2 true BR112019014441A2 (pt) 2020-04-28

Family

ID=62841685

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019014441A BR112019014441A2 (pt) 2017-01-17 2017-12-28 método e sistemas para coordenar comunicações mimo distribuídas

Country Status (8)

Country Link
US (1) US10637549B2 (enExample)
EP (1) EP3571780B1 (enExample)
JP (1) JP6828173B2 (enExample)
KR (1) KR102163100B1 (enExample)
CN (1) CN110178316B (enExample)
BR (1) BR112019014441A2 (enExample)
SG (1) SG11201905066TA (enExample)
WO (1) WO2018136216A1 (enExample)

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WO2018210463A1 (en) * 2017-05-19 2018-11-22 Telefonaktiebolaget Lm Ericsson (Publ) Transmissions of blocks of data in distributed mimo systems
CN110392440B (zh) * 2018-04-16 2021-07-20 华为技术有限公司 并行传输方法和装置
WO2020097444A1 (en) 2018-11-08 2020-05-14 Interdigital Patent Holdings, Inc. Methods and apparatus for joint multi-ap transmission in wlans
US11695462B2 (en) * 2019-01-29 2023-07-04 Qualcomm Incorporated Techniques for coordinated beamforming in millimeter wave systems
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JP7167827B2 (ja) * 2019-04-16 2022-11-09 日本電信電話株式会社 無線通信システムおよび無線通信方法
CN111836392A (zh) * 2019-04-19 2020-10-27 华为技术有限公司 用于传输数据的方法和装置
JP7362291B2 (ja) * 2019-04-26 2023-10-17 キヤノン株式会社 通信装置、制御方法、プログラム、および通信システム
US12432800B2 (en) 2019-04-26 2025-09-30 Canon Kabushiki Kaisha Communication apparatus, control method, and storage medium
SG10201903821UA (en) 2019-04-26 2020-11-27 Panasonic Ip Corp America Communication apparatus and communication method for multi-ap joint transmission
WO2020224790A1 (en) * 2019-05-09 2020-11-12 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus, methods and machine-readable media relating to phase tracking in a wireless network
CN111294090B (zh) * 2019-07-24 2023-02-28 展讯通信（上海）有限公司 多ap操作的反向触发系统以及接入点
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US11716121B2 (en) * 2019-10-25 2023-08-01 Intel Corporation NDPA for multi-AP coordinated beamforming (CBF) and multi-AP joint transmission (JT) in EHT
JP7462404B2 (ja) * 2019-11-28 2024-04-05 キヤノン株式会社 通信装置、制御方法、及び、プログラム
WO2021261803A1 (en) * 2020-06-24 2021-12-30 Samsung Electronics Co., Ltd. Electronic device for alleviating signal interference with neighboring bss and control method thereof
JP7420259B2 (ja) * 2020-07-27 2024-01-23 日本電信電話株式会社 基地局、基地局システム、及び通信方法
KR102594039B1 (ko) * 2020-11-10 2023-10-26 서울대학교산학협력단 분산 안테나 시스템을 가지는 ap의 동작 방법 및 이러한 방법을 수행하는 장치
CN114513392B (zh) 2020-11-16 2024-10-18 华为技术有限公司 信号传输的方法和装置

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Also Published As

Publication number Publication date
CN110178316A (zh) 2019-08-27
US20180205434A1 (en) 2018-07-19
WO2018136216A1 (en) 2018-07-26
JP2020504577A (ja) 2020-02-06
US10637549B2 (en) 2020-04-28
EP3571780B1 (en) 2025-10-08
CN110178316B (zh) 2021-08-17
KR20190105223A (ko) 2019-09-16
EP3571780A1 (en) 2019-11-27
SG11201905066TA (en) 2019-08-27
JP6828173B2 (ja) 2021-02-10
KR102163100B1 (ko) 2020-10-07

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B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]