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Trigger frame configuration and sending method and device, wireless access point, storage medium

A configuration method and a technology of triggering frames, which are applied in the field of communication, can solve problems that affect the performance of the communication system and cannot respond to channel time changes in time, so as to achieve the effect of guaranteeing performance

Active Publication Date: 2022-05-24
TP-LINK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inventor found in the process of implementing the present invention that in the prior art, it is impossible to select the period of the corresponding midamble code to configure the trigger frame in real time according to the Doppler frequency offset of the channel, resulting in the inability to respond to channel time changes in time, affecting Communication System Performance

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  • Trigger frame configuration and sending method and device, wireless access point, storage medium
  • Trigger frame configuration and sending method and device, wireless access point, storage medium
  • Trigger frame configuration and sending method and device, wireless access point, storage medium

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Embodiment Construction

[0042] The following will be combined with the accompanying drawings in the embodiments of the present invention, the technical solution in the embodiments of the present invention will be described clearly and completely, it is clear that the embodiments described are only a part of the embodiment of the present invention, not all embodiments. Based on embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative labor, are within the scope of protection of the present invention.

[0043] See Figure 1 , is a schematic diagram of a configuration method of triggering a frame provided in one embodiment of the present invention, e.g., a schematic diagram of the process Figure 1The configuration method of the trigger frame shown, including steps S11 to S13, is as follows:

[0044] S11, calculate the Doppler frequency offset of the current channel;

[0045] S12, according to the size relationship between the Doppler f...

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Abstract

The invention discloses a trigger frame configuration and sending method and device, a wireless access point, and a storage medium. The trigger frame configuration method includes: calculating the Doppler frequency offset value of the current channel; The magnitude relationship between the offset value and the Doppler frequency offset threshold value, select the period of the midamble code; configure the period of the midamble code on the trigger frame. By adopting the embodiment of the present invention, it is possible to flexibly select the period of the corresponding midamble code to configure the trigger frame according to the real-time Doppler frequency deviation of the current channel, so as to cope with channel time variation in time, thereby ensuring the performance of the communication system.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a trigger frame configuration and transmission method and apparatus, wireless access point, storage medium. Background [0002] The Doppler effect is a channel time change in a wireless environment due to the shift of the received signal caused by the user's movement, so effectively estimating the Doppler frequency shift can be used to measure the speed of change in the channel. Currently, midamble codes are introduced in 802.11ax to cope with the fast time-varying channels under the Doppler effect, which is an intermediate code, or training sequence, that can be used as channel estimation or power control. In the 802.11ax protocol, the format of the midamble code is exactly the same as that of HE-LTF (Highefficienc yLong training field, efficient long training sequence). [0003] At present, ap (Access Point, wireless access point) is to configure the midablo code cycl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04B17/382H04B17/391
CPCH04B17/382H04B17/3912H04L5/0048H04L5/0064
Inventor 刘樵文
Owner TP-LINK