WO2021246203A1 - Dispositif de communication sans fil - Google Patents

Dispositif de communication sans fil Download PDF

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Publication number
WO2021246203A1
WO2021246203A1 PCT/JP2021/019418 JP2021019418W WO2021246203A1 WO 2021246203 A1 WO2021246203 A1 WO 2021246203A1 JP 2021019418 W JP2021019418 W JP 2021019418W WO 2021246203 A1 WO2021246203 A1 WO 2021246203A1
Authority
WO
WIPO (PCT)
Prior art keywords
link
wireless communication
frame
communication device
transmission
Prior art date
Application number
PCT/JP2021/019418
Other languages
English (en)
Japanese (ja)
Inventor
淳 白川
宏道 留場
秀夫 難波
泰弘 浜口
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP2022528746A priority Critical patent/JPWO2021246203A5/ja
Publication of WO2021246203A1 publication Critical patent/WO2021246203A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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

  • Non-Patent Document 1 a multi-link operation that enables a communication device to maintain a plurality of connections (links)
  • the communication device can maintain a plurality of connections having different settings related to the wireless resources used and communication. That is, by using the MLO, the communication device can maintain the connection of different frequency bands at the same time, so that the frequency band for transmitting the frame can be changed without performing the reconnection operation.
  • the terminal device After recognizing the base station device, the terminal device performs connection processing to the base station device.
  • the connection process is classified into an authentication procedure and an association procedure.
  • the terminal device sends an authentication frame (authentication request) to the base station device that wishes to connect.
  • the base station device receives the authentication frame, it transmits an authentication frame (authentication response) including a status code indicating whether or not the terminal device can be authenticated to the terminal device.
  • the terminal device can determine whether or not the own device has been authorized by the base station device.
  • the base station device and the terminal device can exchange authentication frames a plurality of times.
  • the terminal device sends a connection request frame to perform the connection procedure to the base station device.
  • the base station device receives the connection request frame, it determines whether or not to allow the connection of the terminal device, and transmits a connection response frame to notify the fact.
  • the association identification number (AID: Association identifier) for identifying the terminal device is described.
  • the base station device can manage a plurality of terminal devices by setting different AIDs for the terminal devices for which connection permission has been issued.
  • the base station device and the terminal device After the connection process is performed, the base station device and the terminal device perform the actual data transmission.
  • a distributed control mechanism DCF: Distributed Coordination Function
  • PCF Point Coordination Function
  • EDCA Extended distributed channel access
  • HCF Hybrid coordination function
  • the wireless communication device that transmits the PPDU provides the PPDU with information (BSS color, BSS identification information, a value unique to the BSS) for identifying the BSS. It is preferable to insert it.
  • Information indicating BSS color can be described in HE-SIG-A.
  • the wireless communication device implements a procedure (multi-link establishment request, multi-link establishment response) for establishing a plurality of connections (multi-link, Multi-Link), establishes the multi-link, and establishes the multi-link. Can be maintained.
  • maintaining multilink means that frames can be transmitted and received based on predetermined settings for multilink. It is also possible to carry out procedures for changing the multi-link settings (multi-link change request, multi-link reply response) while maintaining the multi-link. It is also possible to cancel the multi-link by performing the procedure for canceling the multi-link (multi-link cancellation request, multi-link cancellation response).
  • the multi-link TXOP limit included in the multi-link operation mode information of the multi-link establishment response stores a value determined by negotiation between the wireless communication device 1-1 and the wireless communication device 2-1. Specifically, both the value of the multi-link TXOP included in the multi-link capability information of the wireless communication device 2-1 and the multi-link TXOP included in the multi-link capability information of the wireless communication device 1-1 are satisfied. Will be decided.
  • the wireless communication device 1-1 and the wireless communication device 2-1 that established the multi-link were determined within a range not exceeding the multi-link TXOP limit when the transmission right on the wireless medium was secured through carrier sense or the like.
  • the multi-link TXOP section can occupy the radio medium and can transmit one or more PPDU frames.
  • the PHY of the PPDU transmitted on each link so as to secure the NAV until the final PPDU transmission scheduled to be transmitted in the multi-link TXOP is completed.

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

Abstract

Ce dispositif de communication sans fil comprend : une unité de réception qui reçoit des informations de commande relatives à une pluralité de connexions (liaisons multiples) ; et une unité de transmission de trames qui transmet des trames associées à la pluralité de connexions. La pluralité de connexions est constituée d'au moins deux connexions. Les informations de commande comprennent des informations relatives à une opportunité de transmission. L'unité de transmission de trames est capable de transmettre des trames à l'opportunité de transmission d'après des informations relatives à l'opportunité de transmission.
PCT/JP2021/019418 2020-06-03 2021-05-21 Dispositif de communication sans fil WO2021246203A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022528746A JPWO2021246203A5 (ja) 2021-05-21 端末装置、および基地局装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020096548 2020-06-03
JP2020-096548 2020-06-03

Publications (1)

Publication Number Publication Date
WO2021246203A1 true WO2021246203A1 (fr) 2021-12-09

Family

ID=78830991

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/019418 WO2021246203A1 (fr) 2020-06-03 2021-05-21 Dispositif de communication sans fil

Country Status (1)

Country Link
WO (1) WO2021246203A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4203600A1 (fr) * 2021-12-22 2023-06-28 Sharp Kabushiki Kaisha Appareil de station de base, appareil de terminal et procédé de communication
EP4203596A1 (fr) * 2021-12-22 2023-06-28 Sharp Kabushiki Kaisha Equipement terminal, équipement de station de base et procédé de communication pour transmissions basées sur la priorité
WO2023248375A1 (fr) * 2022-06-22 2023-12-28 日本電信電話株式会社 Station émettrice, procédé de transmission et programme de transmission
WO2023248376A1 (fr) * 2022-06-22 2023-12-28 日本電信電話株式会社 Station d'émission, procédé d'émission et programme d'émission

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GOODALL DAVID, LEE AARON, WENTINK MENZO: "Wireless LANs", IEEE 802.11-18/1177R2, 4 September 2018 (2018-09-04), XP055880563, Retrieved from the Internet <URL:https://mentor.ieee.org/802.11/dcn/18/11-18-1177-02-OOOm-802-llah-txop-limits.docx> *
YUNBO LI (HUAWEI): "channel access design for synchronized multi-links", IEEE DRAFT; 11-19-1548-04-00BE-CHANNEL-ACCESS-DESIGN-FOR-SYNCHRONIZED-MULTI-LINKS, IEEE-SA MENTOR, PISCATAWAY, NJ USA, vol. 802.11 EHT; 802.11be, no. 4, 16 January 2020 (2020-01-16), Piscataway, NJ USA , pages 1 - 12, XP068165376 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4203600A1 (fr) * 2021-12-22 2023-06-28 Sharp Kabushiki Kaisha Appareil de station de base, appareil de terminal et procédé de communication
EP4203596A1 (fr) * 2021-12-22 2023-06-28 Sharp Kabushiki Kaisha Equipement terminal, équipement de station de base et procédé de communication pour transmissions basées sur la priorité
EP4325983A3 (fr) * 2021-12-22 2024-04-24 Sharp Kabushiki Kaisha Appareil de station de base, appareil terminal et procédé de communication
WO2023248375A1 (fr) * 2022-06-22 2023-12-28 日本電信電話株式会社 Station émettrice, procédé de transmission et programme de transmission
WO2023248376A1 (fr) * 2022-06-22 2023-12-28 日本電信電話株式会社 Station d'émission, procédé d'émission et programme d'émission

Also Published As

Publication number Publication date
JPWO2021246203A1 (fr) 2021-12-09

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