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Method, device and system for acquiring data by sta in wireless local area network

A wireless local area network and data acquisition technology, applied in the field of communication, can solve the problems of STA consumption and multi-energy, and achieve the effect of reducing energy consumption and rational and effective utilization

Inactive Publication Date: 2016-03-30
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In a network with a large number of STAs, due to fierce channel competition, although the AP indicates that there is data for the STA in the beacon received periodically by the STA, in the BI of the beacon, the AP will send data to too many STAs or There are too many STAs competing to upload data, resulting in the STA failing to compete for the channel in the BI to obtain data, the STA will always be active or even compete for the channel state for more than one BI, causing the STA to consume more energy. , for a STA with a large ListenInterval, the above solution may cause the AP to fail to send data to the STA in time

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  • Method, device and system for acquiring data by sta in wireless local area network
  • Method, device and system for acquiring data by sta in wireless local area network
  • Method, device and system for acquiring data by sta in wireless local area network

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Embodiment 1

[0029] Embodiment 1. Embodiment 1 of the present invention provides a method for a STA in a wireless local area network to obtain data, which is used for the STA in the wireless local area network to obtain data from an AP it accesses. figure 1 Shown is a typical network topology structure diagram applying the technical solution of the present invention, according to figure 1 , the wireless local area network 100 includes: an access point (AP, AccessPoint) 120, and stations (STA, Station) 110-115 that access the network through the access point 120, and the STAs 110-115 associated to the same AP 120 constitute a basic service set (BSS); the wireless local area network 100 accesses the backbone network 140 through the gateway 130, and then connects to the server in the network.

[0030] It should be noted that the STA in the embodiment of the present invention refers to the basic logical entity in the wireless local area network. Specifically, the STA may be a terminal device i...

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Abstract

An embodiment of the present invention provides a method for a STA to obtain data in a wireless local area network, including: if the AP has data to send to the STA, according to the communication capability of the AP and the network condition, the STA receives the following data: Data identification information is added to a beacon, where the data identification information is used to instruct the STA to acquire data from the AP. Correspondingly, the embodiments of the present invention also provide a user equipment and a communication system. Through the above technical solution, the AP can selectively notify a specific STA to obtain data in a specific beacon according to its own capabilities, so as to coordinate multiple or The channel usage time of multiple groups of STAs enables STAs to obtain data from APs in a timely and orderly manner, thereby reducing the energy consumption of STAs in power-saving mode to obtain data and using channels more reasonably.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for STAs to acquire data in a wireless local area network. Background technique [0002] In WLAN (WirelessLocalAreaNetworks, wireless local area network), because STA (Station, wireless station) is usually powered by battery, energy is limited, the MAC (MediumAccessControl, media access control) layer detailed specification defined by IEEE802.11 defines the power saving mode, Allow STA to work in "awake state" or "sleep state". AP (AccessPoint, access point) periodically broadcasts Beacon (beacon) according to BI (BeaconInterval, beacon interval), and STA working in power saving mode periodically receives beacon according to ListenInterval, where the beacon is used to notify A management frame for some specific information of the STA. ListenInterval is an integer greater than or equal to zero in the standard, meaning that there are List...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02H04W68/00
CPCY02D30/70
Inventor 赵牧姜艳平甄斌
Owner GLOBAL INNOVATION AGGREGATORS LLC
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