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Method and device for determining data caching condition

A determination method and data caching technology, applied in the communication field, can solve the problems that non-APMLD cannot know the caching data caching situation, unfavorable working status, etc.

Pending Publication Date: 2021-09-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005]However, the non-AP MLD cannot know the cache status of the cache data corresponding to the non-AP MLD in the AP MLD, which is not conducive to the non-AP MLD to accurately Determine the working status of the associated link

Method used

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  • Method and device for determining data caching condition
  • Method and device for determining data caching condition
  • Method and device for determining data caching condition

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Embodiment Construction

[0201] For ease of understanding, terms involved in this application are first introduced.

[0202] 1. Traffic indication map (TIM) field

[0203] The TIM field may be included in the TIM element carried by the 802.11 Beacon (Beacon) frame. The AP MLD can periodically send an 802.11 beacon frame to one or more non-AP MLDs, and the TIM element carried in the beacon frame can determine that the buffered data corresponding to each site included in each non-AP MLD is in the AP Cache situation in MLD. The cache condition of cached data corresponding to a site in the AP MLD may refer to whether data to be sent to the site is cached in the AP MLD.

[0204] A non-AP station can have two working modes, one is a non-energy-saving mode and the other is an energy-saving mode. In the non-power-saving mode, the non-AP station is active regardless of whether data needs to be transmitted between the non-AP station and the AP station. In the energy saving mode, when data needs to be transm...

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Abstract

The embodiment of the invention discloses a method and a device for determining a data caching condition. The method comprises the following steps: a first multi-link device (MLD) receiving first indication information from a second MLD; according to the first indication information and a corresponding relationship between the association identifier of the first MLD and the data type supported by the first MLD, determining a caching condition of cached data corresponding to at least one data type in a second MLD; wherein the first indication information is used for indicating the caching condition of the cached data corresponding to the association identifier of the first MLD in the second MLD. By implementing the embodiment of the invention, the data caching condition of the data type dimension can be determined. The embodiment of the invention can be applied to a wireless local area network system supporting an IEEE 802.11 next generation WiFi EHT protocol, namely 802.11 protocols such as 802.11 be and the like.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a method and a device for determining a data cache condition. Background technique [0002] Continuously improving the throughput rate is a continuous goal of the development and evolution of cellular networks and wireless local area networks (wireless local area networks, WLANs). In order to achieve extremely high throughput, the next-generation standard IEEE 802.11be takes multi-link (ML) as one of the key technologies. A multi-link device (MLD) capable of sending and receiving data in multiple frequency bands (multi-band) can use a larger bandwidth for data transmission, thereby significantly improving throughput. The MLD includes a plurality of stations (station, STA), and each station can establish a link to communicate with a station in another MLD. [0003] A non-access point (non-access point, non-AP) station may be in an active state (active sta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/02H04W28/14H04W52/02H04W76/15
CPCH04W28/0278H04W28/14H04W52/0209H04W76/15H04W28/02H04W52/0229H04L5/0044H04L5/0037H04L5/0091H04W72/27H04W84/12Y02D30/70H04W88/06H04W52/0235
Inventor 李云波淦明郭宇宸周逸凡李伊青
Owner HUAWEI TECH CO LTD