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EP-4742792-A1 - ACCESS POINT, TERMINAL, AND COMMUNICATION METHOD

EP4742792A1EP 4742792 A1EP4742792 A1EP 4742792A1EP-4742792-A1

Abstract

This access point comprises: a control circuit for determining first information related to setting of a priority transmission period of a first network to which the access point belongs; and a transmission circuit for transmitting the first information to a device in a second network to which the access point does not belong.

Inventors

  • MINOTANI, Jun
  • IWAI, TAKASHI
  • TAKATA, TOMOFUMI
  • URABE, YOSHIO
  • MOTOZUKA, HIROYUKI

Assignees

  • Panasonic Intellectual Property Corporation of America

Dates

Publication Date
20260513
Application Date
20240619

Claims (15)

  1. An access point, comprising: control circuitry, which, in operation, determines first information related to a configuration of a priority transmission period of a first network to which the access point belongs; and transmission circuitry, which, in operation, transmits the first information to an apparatus of a second network to which the access point does not belong.
  2. The access point according to claim 1, wherein the first information is included in either a Management frame or a Public action frame.
  3. The access point according to claim 1, further comprising reception circuitry, which, in operation, receives a Measurement report from a terminal belonging to the first network, the Measurement report including information related to a configuration of a priority transmission period of the second network, and the information being transmitted from an access point belonging to the second network.
  4. The access point according to claim 1, wherein the transmission circuitry transmits information related to a difference in transmission timing between the first network and the second network.
  5. The access point according to claim 1, wherein the transmission circuitry transmits the first information to an access point and a terminal that belong to the second network.
  6. The access point according to claim 1, wherein the transmission circuitry transmits the first information to an access point that belongs to the second network.
  7. The access point according to claim 1, wherein the transmission circuitry transmits the first information to at least one of an access point belonging to a group that performs coordinated communication and includes the access point and/or an access point that joins the group.
  8. The access point according to claim 1, wherein the transmission circuitry transmits second information related to whether to permit overlap of a priority transmission period of the second network with the priority transmission period of the first network.
  9. The access point according to claim 1, wherein the transmission circuitry transmits third information related to whether to permit coordinated transmission by a plurality of access points in the priority transmission period of the first network.
  10. The access point according to claim 1, wherein the transmission circuitry transmits fourth information related to a configuration of a priority transmission period of the second network to a terminal served by the access point.
  11. The access point according to claim 1, wherein the transmission circuitry transmits, to a terminal served by the access point, information related to a configuration of a priority transmission period determined based on fourth information related to a configuration of a priority transmission period of the second network.
  12. The access point according to claim 1, wherein the control circuitry controls transmission processing based on fourth information related to a configuration of a priority transmission period of the second network.
  13. A terminal, comprising: reception circuitry, which, in operation, receives, in a first network to which the terminal belongs, information related to a configuration of a priority transmission period of a second network to which the terminal does not belong; and control circuitry, which, in operation, controls transmission or reception based on the information.
  14. A communication method, comprising: determining, by an access point, first information related to a configuration of a priority transmission period of a first network to which the access point belongs; and transmitting, by the access point, the first information to an apparatus of a second network to which the access point does not belong.
  15. A communication method, comprising: receiving, by a terminal, in a first network to which the terminal belongs, information related to a configuration of a priority transmission period of a second network to which the terminal does not belong; and controlling, by the terminal, transmission or reception based on the information.

Description

Technical Field The present disclosure relates to an access point, a terminal, and a communication method. Background Art As a successor standard to the Institute of Electrical and Electronics Engineers (IEEE) 802.11be (hereinafter, referred to as "11be"), which is a standard of IEEE 802.11, a technical specification of IEEE 802.11bn (hereinafter, referred to as "11bn") is being developed in a Study Group (SG). 11be is also referred to as "Extremely High Throughput (EHT)." In addition, 11bn is also referred to as "Ultra High Reliability (UHR)." Citation List Non-Patent Literature (hereinafter, referred to as "NPL") NPL 1 IEEE P802.11be™/D3.0, January 2023NPL 2 IEEE 802.11-23/0291r0, R-TWT Multi-AP CoordinationNPL 3 IEEE 802.11-23/0293r0, Follow-up on TWT based Multi-AP Coordination Summary of Invention However, a method for controlling signal transmission in radio communication such as a wireless LAN has not been sufficiently studied. A non-limiting embodiment of the present disclosure facilitates providing an access point, a terminal, and a communication method each capable of improving the efficiency of transmission control in radio communication. An access point according to an embodiment of the present disclosure is an access point and includes: control circuitry, which, in operation, determines first information related to a configuration of a priority transmission period of a first network to which the access point belongs; and transmission circuitry, which, in operation, transmits the first information to an apparatus of a second network to which the access point does not belong. It should be noted that general or specific embodiments may be implemented as a system, an apparatus, a method, an integrated circuit, a computer program, a storage medium, or any selective combination thereof. According to an embodiment of the present disclosure, it is possible to improve the efficiency of transmission control in radio communication, for example. Additional benefits and advantages of the disclosed embodiments will become apparent from the specification and drawings. The benefits and/or advantages may be individually obtained by the various embodiments and features of the specification and drawings, which need not all be provided in order to obtain one or more of such benefits and/or advantages. Brief Description of Drawings FIG. 1 is a diagram illustrating a communication example of Restricted-Target Wake Time (R-TWT);FIG. 2 is another diagram illustrating the communication example of R-TWT;FIG. 3 is a diagram illustrating an example of a user priority and a traffic Access Category (AC) for each Traffic Identifier (TID);FIG. 4 is a block diagram illustrating a configuration example of a part of an AP;FIG. 5 is a block diagram illustrating a configuration example of a part of a terminal;FIG. 6 is a diagram illustrating an example of a transmission and reception sequence by the access point (AP) and a station (STA);FIG. 7 is a diagram illustrating an example of including R-TWT information in a Management frame and broadcasting the Management frame;FIG. 8 is a block diagram illustrating a configuration example of the AP;FIG. 9 is a block diagram illustrating a configuration example of the terminal;FIG. 10 is a diagram illustrating an example of a transmission and reception sequence by the AP and the STA;FIG. 11 is a diagram illustrating an example of including R-TWT information in a Public action frame and transmitting the Public action frame;FIG. 12 is a diagram illustrating an example of definition of the Public action frame;FIG. 13 is a diagram illustrating an example of a coordinated group;FIG. 14 is a diagram illustrating an example of signaling overlap permission information using R-TWT Traffic Info;FIG. 15 is a diagram illustrating an example of overlap permission information;FIG. 16 is a diagram illustrating a configuration example of an R-TWT Service Period (SP);FIG. 17 is another diagram illustrating the configuration example of the R-TWT SP;FIG. 18 is still another diagram illustrating the configuration example of the R-TWT SP;FIG. 19 is a diagram illustrating an example of Multi-AP bitmap signaling using Traffic Info Control;FIG. 20 is a diagram illustrating an example of Multi-AP bitmap signaling using Restricted TWT Traffic Info;FIG. 21 is a diagram illustrating an example of Multi-AP Type signaling using Traffic Info Control;FIG. 22 is a diagram illustrating an example of the Multi-AP Type;FIG. 23 is a diagram illustrating an example of signaling a link type for which overlapping transmission of a Coordinated Spatial Reuse (C-SR) signal is allowed;FIG. 24 is a diagram illustrating an example of signaling a frame type for which overlapping transmission of a C-SR signal is allowed;FIG. 25 is a diagram illustrating an example of signaling an Association ID (AID) for which overlapping transmission of a C-SR signal is allowed;FIG. 26 is a diagram illustrating an example of signaling a time slot in wh