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Method and device for processing in initialization of MU TXOP (memory unit-symmetric transmission opportunity)

A processing method and initialization technology, applied in the direction of using the return channel for error prevention/detection, etc., can solve problems such as unfairness, lower transmission efficiency, TXOP waste, etc., to increase the success rate, improve transmission efficiency, and ensure fairness Effect

Inactive Publication Date: 2015-04-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the AP obtains the channel access right based on the primary AC, this is unfair to other STAs that are also the primary AC, and it may also cause waste of TXOP and reduce transmission efficiency

Method used

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  • Method and device for processing in initialization of MU TXOP (memory unit-symmetric transmission opportunity)
  • Method and device for processing in initialization of MU TXOP (memory unit-symmetric transmission opportunity)
  • Method and device for processing in initialization of MU TXOP (memory unit-symmetric transmission opportunity)

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Embodiment Construction

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.

[0029] figure 1 It is a schematic flow diagram of the method of the first embodiment of the present invention, including:

[0030] Step 11: The sending end sends a data frame for initializing MU TXOP to at least two receiving ends, so that the receiving end replies with a corresponding response frame to the data frame, and the at least two receiving ends include: at least one The receiver with the main AC.

[0031] Wherein, the sending end is the station competing for the channel. In the embodiment of the present invention, an AP is used as a sen...

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Abstract

The invention provides a method and a device for processing in initialization of an MU TXOP (memory unit-symmetric transmission opportunity). The method comprises the steps of: transmitting data frames for initialization of the MU TXOP to at least two receiving ends, so that response frames corresponding to the data frames are returned by the receiving ends, wherein the receiving ends at least comprise a receiving end with an AC (automatic controller) of main access category; transmitting a response request frame to a receiving end with no needs for immediate return of a response frame, so that a response frame corresponding to the data frame is returned by the receiving end with no needs for immediate return of the response frame after the response request frame is received; and if a response frame transmitted by any receiving end with the main AC is detected successfully, the initialization of the MU TXOP can be determined to be successful. By adopting the method and the device provided by the embodiment of the invention, waste of the MU TXOP can be avoided, and the efficiency of transmission can be improved.

Description

technical field [0001] The present invention relates to wireless communication technology, and in particular to a processing method and device for initializing a multi-user transmission opportunity (Multi-User TXOP, MU TXOP). Background technique [0002] In the enhanced distributed channel access (Enhanced Distributed Channel Access, EDCA) mechanism of the wireless local area network, it can support the quality of service with priority. EDCA includes 4 access categories (Access Category, AC). Each type of AC has different access priorities, and ACs with higher priorities can obtain channel access rights more frequently. After the station competes for the channel access right, it obtains a transmission opportunity (Transmission Opportunity, TXOP), and can transmit multiple data frames, control frames and management frames and receive response frames to one user or multiple users within a certain period of time. In a single-user transmission opportunity (Single-User TXOP, S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/16H04L1/18
Inventor 杨绿溪韩绪李云波
Owner HUAWEI TECH CO LTD