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Transmission opportunity control method and device

A control method and technology for transmission opportunities, applied in the field of communication, can solve problems such as disadvantage, improve resource utilization, and low probability of APs successfully competing for channels.

Active Publication Date: 2017-07-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when there are many user devices connected to the network, the competition will be more intense, and the probability of the AP successfully competing for the channel will be relatively low. If the AP cannot become a TXOP holder, multi-user scheduling transmission cannot be performed. Therefore, Not conducive to improving resource utilization

Method used

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  • Transmission opportunity control method and device
  • Transmission opportunity control method and device
  • Transmission opportunity control method and device

Examples

Experimental program
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Embodiment Construction

[0036] figure 1 Shown is a schematic diagram of a WLAN deployment scenario, where both the AP and the STA need to become TXOP holders through competition. The purpose of the transmission opportunity control method provided in the embodiment of the present application is to increase the chance of the AP holding a TXOP, so that the AP has more chances to schedule each STA, thereby improving resource utilization.

[0037] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0038] figure 2 Shown is a transmission opportunity control method, including the following steps:

[0039] S201: The AP sends a first frame, and the first frame carries a TXOP Handover Enforcement (TXOP Handover Enforcement, THE) indication field.

[0040] Specifically, the first frame may be a beacon frame (Beacon). Further, the AP may send a beacon frame carrying a THE indication fie...

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Abstract

The application provides a transmission opportunity control method. The transmission opportunity control method comprises the following steps: the access point transmits a first frame, wherein the first frame carries a TXOP transferring mandatory THE indication field; the THE indication field is a first value or a second value, wherein the first value is used for indicating a site of the access channel to transfer the held TXOP to the access point, and the second value is used for indicating that the site of the access channel transfers the held TXOP to the access point when the transfer condition is fulfilled; and a STA transfers the held TXOP to an AP; therefore, even if the AP does not obtain the channel through competitions, it can also be a TXOP holder through the transferring of the TXOP, thus, the TXOP holding probability of the AP is increased, therefore, the probability of the AP scheduling the STA is increased, and the resource utilization rate of the system can be improved.

Description

technical field [0001] The present application relates to the communication field, and in particular to a transmission opportunity control method and device. Background technique [0002] Devices in a wireless local area network (Wireless Local Area Network, WLAN) need to obtain the right to use channel resources through competition, that is, become transmission opportunity (Transmission Opportunity, TXOP) holders. Currently, stations of the access point type (Access Point, AP) and stations of the non-access point type (None Access Point Station, STA for short) have equal competition opportunities. [0003] In 802.11ax after the introduction of OFDMA technology, the AP can schedule uplink and downlink transmissions for different STAs on different time-frequency resources to improve system resource utilization. [0004] However, when there are many user devices connected to the network, the competition will be more intense, and the probability of the AP successfully competin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W74/085H04W74/0816H04W84/12H04W74/08H04W36/249H04W36/0077H04W36/34H04W72/0446H04W74/04
Inventor 苏宏家朱俊林英沛
Owner HUAWEI TECH CO LTD
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