WO2017084503A1 - Procédé et appareil de changement de détenteur de txop - Google Patents

Procédé et appareil de changement de détenteur de txop Download PDF

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Publication number
WO2017084503A1
WO2017084503A1 PCT/CN2016/104686 CN2016104686W WO2017084503A1 WO 2017084503 A1 WO2017084503 A1 WO 2017084503A1 CN 2016104686 W CN2016104686 W CN 2016104686W WO 2017084503 A1 WO2017084503 A1 WO 2017084503A1
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WO
WIPO (PCT)
Prior art keywords
transmission opportunity
address
request frame
frame
holder
Prior art date
Application number
PCT/CN2016/104686
Other languages
English (en)
Chinese (zh)
Inventor
李云波
李彦淳
淦明
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2017084503A1 publication Critical patent/WO2017084503A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • 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]

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a transmission opportunity holder change method and apparatus.
  • FIG. 1 is a schematic diagram of an application scenario structure of a transmission opportunity holder change method provided by the present invention
  • Embodiment 1 is a schematic flowchart of Embodiment 1 of a method for changing a transmission opportunity holder according to the present invention
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of an access point according to the present invention.
  • the AP is also referred to as a wireless access point or hotspot.
  • the AP is an access point for mobile users to enter the wired network. It is mainly deployed in the home, inside the building, and inside the campus. The typical coverage radius is tens of meters to hundreds of meters. Of course, it can also be deployed outdoors.
  • An AP is equivalent to a bridge connecting a wired network and a wireless network. Its main function is to connect the wireless network clients together and then connect the wireless network to the Ethernet.
  • the AP may be a terminal device or a network device with a Wireless Fidelity (WiFi) chip.
  • WiFi Wireless Fidelity
  • address1 there are two address fields in the data frame sent by the AP, which are recorded as "address1" and "address2".
  • address2 the address field corresponding to the TXOP holder
  • BSSID the address field corresponding to the TXOP holder
  • address1 fills the above.
  • Subfield To DS subfield, From DS subfield, More Frag subfield, Power Management , "Retry” subfield, “More Data” subfield, “Protected Frame” subfield, “Order” subfield, where To The six subfields of DS, From DS, More Frag, Retry, Protected Frame, and Order are set to zero by default, and one of the bits can be multiplexed for use as the first indication. If there are more than two address fields that can be selected, multiple bits can be multiplexed as the first indication.
  • the address is set to the address of the TXOP holder; if the third indication flag is "0", it indicates that the request frame is received.
  • the target station does not need to set the address of the TXOP holder according to the request frame. In this case, after the non-target station receives the request frame, even if the duration indicated by the duration field in the request frame is longer than the NAV duration, the non-target station does not. Need to update the TXOP holder, just need to update the NAV duration.
  • the third indication identifier is not necessarily 0 or 1, and is not limited herein.
  • t1-short inter-frame interval SIFS-response frame length is recorded as t0.
  • the station that forms a hidden node with the AP may start to contend for the channel after t0, and can hear the AP sending.
  • the above-mentioned response frame sites start competing for channels after "t0+ ⁇ T", which may cause unfairness between sites.
  • ⁇ T should be less than a preset threshold. In one embodiment, ⁇ T is less than the duration of one time slot.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil de changement de détenteur de TXOP. Le procédé comprend les étapes suivantes : une station envoie une trame de demande, où la trame de demande comprend un champ d'adresse correspondant à un détenteur de TXOP, et le champ d'adresse correspondant au détenteur de TXOP dans la trame de demande est rempli avec l'adresse d'un point d'accès (AP) ; et la station reçoit une trame de réponse renvoyée en réponse par l'AP selon la trame de demande, où la station est une station obtenant un droit d'accès à un canal. Dans les modes de réalisation de la présente invention, le champ d'adresse correspondant au détenteur de TXOP dans la trame de demande est rempli avec l'adresse de l'AP ; et ces stations recevant la trame de demande définissent l'adresse de l'AP comme étant l'adresse du détenteur de TXOP, de sorte que le transfert à l'AP des droits du détenteur de TXOP puisse réussir, ce qui permet l'ordonnancement de ces stations par l'AP.
PCT/CN2016/104686 2015-11-20 2016-11-04 Procédé et appareil de changement de détenteur de txop WO2017084503A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510810073.1 2015-11-20
CN201510810073.1A CN106788910B (zh) 2015-11-20 2015-11-20 传输机会持有者变更方法及装置

Publications (1)

Publication Number Publication Date
WO2017084503A1 true WO2017084503A1 (fr) 2017-05-26

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Application Number Title Priority Date Filing Date
PCT/CN2016/104686 WO2017084503A1 (fr) 2015-11-20 2016-11-04 Procédé et appareil de changement de détenteur de txop

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CN (1) CN106788910B (fr)
WO (1) WO2017084503A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020128142A1 (fr) 2018-12-21 2020-06-25 Nokia Technologies Oy Établissement d'accès sans fil
US11109395B2 (en) * 2019-02-28 2021-08-31 Huawei Technologies Co., Ltd. Data transmission preemption

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1917462A (zh) * 2005-08-19 2007-02-21 三星电子株式会社 在无线局域网(wlan)中传输帧
CN103002591A (zh) * 2011-09-15 2013-03-27 华为技术有限公司 一种对节点进行nav控制的方法、装置、系统及节点
CN103095425A (zh) * 2011-10-31 2013-05-08 华为技术有限公司 无线局域网中传输确认帧的方法和装置
CN103178931A (zh) * 2011-12-20 2013-06-26 华为技术有限公司 传输数据帧的方法和装置
CN103260136A (zh) * 2012-02-17 2013-08-21 华为终端有限公司 通信方法、站点设备及接入点设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4113160B2 (ja) * 2004-06-24 2008-07-09 株式会社東芝 無線通信システム及び無線通信方法
US8305948B2 (en) * 2006-11-15 2012-11-06 Qualcomm Incorporated Transmissions to multiple stations in wireless communication systems
ES2633212T3 (es) * 2011-11-23 2017-09-19 Lg Electronics Inc. Procedimiento para la emisión/recepción de datos basado en planificación de periodos de servicio en un sistema LAN inalámbrico y aparato para soportarlo
CN103428885B (zh) * 2012-05-25 2019-02-12 中兴通讯股份有限公司 一种竞争接入方法和站点

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1917462A (zh) * 2005-08-19 2007-02-21 三星电子株式会社 在无线局域网(wlan)中传输帧
CN103002591A (zh) * 2011-09-15 2013-03-27 华为技术有限公司 一种对节点进行nav控制的方法、装置、系统及节点
CN103095425A (zh) * 2011-10-31 2013-05-08 华为技术有限公司 无线局域网中传输确认帧的方法和装置
CN103178931A (zh) * 2011-12-20 2013-06-26 华为技术有限公司 传输数据帧的方法和装置
CN103260136A (zh) * 2012-02-17 2013-08-21 华为终端有限公司 通信方法、站点设备及接入点设备

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CN106788910B (zh) 2020-07-07
CN106788910A (zh) 2017-05-31

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