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Information transmission method and node

An information transmission and node technology, applied in the field of communication, can solve problems such as low data transmission efficiency, low network throughput, and inaccurate channel evaluation

Active Publication Date: 2019-12-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the node uses the same CCA threshold for channel assessment for the signals sent by nodes in different BSSs received on the channel, it will lead to inaccurate channel assessment, resulting in low data transmission efficiency and low network throughput in the WLAN system

Method used

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  • Information transmission method and node
  • Information transmission method and node
  • Information transmission method and node

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Embodiment Construction

[0088] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0089] The information transmission methods provided in the embodiments of the present invention are applicable to WLAN systems, especially WLAN systems in densely deployed scenarios. The information transmission method provided by each embodiment of the present invention is applicable to each node in two adjacent BSSs in a WLAN system in a d...

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Abstract

Embodiments of the present invention provide an information transmission method and a node. The information transmission method provided in the present invention may include: receiving, by a first node, a request message sent by a second node, where the first node and the second node belong to a same BSS; and sending, by the first node, a response message to the second node, where the response message includes an identifier of a BSS to which the first node belongs. The embodiments of the present invention can improve a network throughput.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to an information transmission method and a node. Background technique [0002] A wireless local area network (WLAN for short) technology has become one of the main network access technologies due to its advantages of high speed and low cost. [0003] In a WLAN system, before a node transmits data on a channel, it needs to perform a channel assessment on the channel according to a Clear Channel Assessment (CCA) threshold. The result of the channel evaluation is that the channel is idle, and the node can perform data transmission on the channel. In a dense deployment scenario, the coverage of multiple Basic Service Sets (BSS for short) may overlap to form an overlapping Basic Service Set (OBSS for short). A node in the OBSS can receive signals sent by other nodes in the BSS where the node is located, and can also receive signals sent by other nodes in the OBSS...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/00H04W74/00H04W74/08H04B17/309H04B17/382
CPCH04B17/309H04B17/382H04W24/00H04W74/002H04W74/0808H04W24/02H04W84/12H04L41/0803H04W48/08
Inventor 李波杨懋韩霄林梅露郭宇宸周荀李云波
Owner HUAWEI TECH CO LTD