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Double-receiving and single-sending based multi-channel wireless Mesh network resource consultation method

A network resource and multi-channel technology, which is applied in the field of multi-channel wireless Mesh network resource negotiation based on dual-receipt and single-transmit, can solve problems such as deterioration of network convergence time, save waiting time, improve channel utilization, and reduce collision rate Effect

Active Publication Date: 2017-06-20
JIANGSU ZHONGKE YILIAN COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the number of neighbor nodes increases, the network convergence time of the system will deteriorate

Method used

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  • Double-receiving and single-sending based multi-channel wireless Mesh network resource consultation method
  • Double-receiving and single-sending based multi-channel wireless Mesh network resource consultation method
  • Double-receiving and single-sending based multi-channel wireless Mesh network resource consultation method

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Embodiment Construction

[0024] The technical solution of the present invention will be further introduced below in conjunction with the accompanying drawings and specific implementation methods.

[0025] This specific embodiment discloses a multi-channel wireless Mesh network resource negotiation method based on dual receiving and single sending. Each node has a main channel and a sensing channel. The main channel can send or receive, and the sensing channel can only receive. When the sensing channel is in the receiving state, the sensing channel is also in the receiving state. When the main channel is in the sending state, the sensing channel is in the IDEL state. The working channel of the main channel can be switched between the control channel and multiple data channels, and the working channel of the sensing channel is fixed as the control channel. When there is a data packet to be sent, the sending node switches the main channel to the sending state and adjusts the working channel of the main ch...

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Abstract

The invention discloses a double-receiving and single-sending based multi-channel wireless Mesh network resource consultation method, which is characterized in that each node is provided with a main channel and a perception channel, the main channel can send or receive, and the perception channel can only receive; when a data packet is required to be sent, a sending node switches the main channel to be a sending state and adjusts a working channel of the main channel to be a control channel, an RTS frame is sent, information carried by the RTS frame comprises a recommended data channel, then the sending node switches the main channel to be a receiving state and adjusts the working channel of the main channel to be the recommended data channel, a receiving node does not respond if being communication with other nodes after the RTS frame is monitored, otherwise, the receiving node switches the main channel to be a sending state and adjusts the working channel of the main channel to the recommended data channel, a CTS frame is sent, and the CTS frame carries a confirmation message.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a multi-channel wireless Mesh network resource negotiation method based on double receiving and single sending. Background technique [0002] Wireless Mesh network is a distributed, self-organized multi-hop wireless network. Its biggest advantage lies in its inherent network fault tolerance, easy installation, and high bandwidth. In a traditional wireless mesh network, if there is a pair of communication nodes communicating, all neighbor nodes within the one-hop communication range of the same channel must be silent, which will greatly reduce the utilization rate of the channel. [0003] Multi-channel technology is a technology that enables the network to have multiple physical channels, allowing nodes to perform multi-channel communication. Compared with the traditional single-channel technology, it overcomes the bottleneck that only a single channel can be used for commun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/16
CPCH04W28/16
Inventor 慕福奇董晋吕欣岩
Owner JIANGSU ZHONGKE YILIAN COMM TECH CO LTD