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Method and device for sending wake-up frame

A wake-up frame and false wake-up technology, applied in the field of communication, can solve the problems of error-prone frame check sequence, high probability of wake-up frame retransmission, wake-up frame retransmission, etc. The effect of transmission rate

Active Publication Date: 2020-11-03
HUAWEI TECH CO LTD
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Problems solved by technology

If the frame check sequence of the wake-up frame is too long, the frame check sequence is prone to errors, and it is easy to cause the retransmission of the wake-up frame, that is, the probability of retransmission of the wake-up frame will be relatively high

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  • Method and device for sending wake-up frame

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Embodiment Construction

[0053] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0054] In the Wi-Fi communication technology, in order to reduce power consumption, a dormancy mechanism is introduced, but the traditional dormancy mechanism will bring about a problem of communication delay. In order to reduce the communication delay caused by the traditional Wi-Fi sleep mechanism, STAs usually wake up periodically to check whether the AP has data to transmit to the STA. However, this solution will reduce the proportion of the STA sleep time and increase the energy consumption of the STA. In order to solve the above problems, the IEEE 802.11 standard organization recently established a new working group (Task Group, TG) to study ultra-low power wake-up radio / receiver (Wake-upRadio / Receiver, WUR) technology and formulate WUR-based standards. It is expected that the average power consumption of Wi-Fi communication technology can be re...

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Abstract

The embodiments of the present invention relate to a method and device for sending a wake-up frame. The method comprises: a first wireless device determining an attribute of a frame check sequence (FCS) of a wake-up frame sent by the first wireless device to a second wireless interface of a second wireless device; the determined attribute of the FCS including at least one of a type, a length, and a verification target of the frame check sequence; the wake-up frame being configured to wake up a first wireless interface of the second wireless device; the first wireless device sending indication information indicating the attribute of the frame check sequence to the second wireless device by means of a first wireless interface of the first wireless device; the first wireless device generating a wake-up frame according to the determined attribute of the frame check sequence and sending the wake-up frame to the second wireless interface of the second wireless device to wake up the first wireless interface of the second wireless device. It can thus be seen that the embodiments of the present invention can adjust an attribute of a wake-up frame, and adapt to a structure of the wake-up frame.

Description

[0001] This application claims the priority of the Chinese patent application submitted to the China Patent Office on September 26, 2016, with the application number 201610852694.0, and the title of the invention is "a method and device for sending wake-up frames", and claims to be filed on April 7, 2017 The priority of the Chinese patent application with the application number 201710224920.5 and the title of the invention "a method and device for sending wake-up frames" filed with the China Patent Office on 11 December 2017, the entire contents of which are incorporated in this application by reference. technical field [0002] The invention relates to the technical field of communication, in particular to a method for sending wake-up frames. Background technique [0003] The IEEE 802.11 standard organization plans to formulate the Internet of Things (IoT) standard based on Wireless-Fidelity (Wi-Fi), with the goal of promoting the application of Wi-Fi technology to the field...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W68/00
CPCH04W52/0235H04W68/00Y02D30/70
Inventor 程勇方平
Owner HUAWEI TECH CO LTD
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