Method for solving WLAN network coverage blind area by terminal relay

A technology of network coverage and terminal relay, applied in network topology, electrical components, wireless communication, etc., can solve the problems of receiving equipment overload, increasing in-band, equipment increasing enterprise costs, etc., to improve data transmission rate and expand network coverage , Optimize the effect of data link

Active Publication Date: 2010-06-30
上海寰创通信科技股份有限公司
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AI-Extracted Technical Summary

Problems solved by technology

However, these solutions have the following disadvantages: adding equipment will increase the cost of the enterprise and increase the complexity of operation and maintenance; the installation conditions of access point equipment in some application environments are not easy to meet; ...
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Abstract

The invention relates to a method for solving a WLAN network coverage blind area by a terminal relay, which comprises the steps of: building a treelike route table according to the quality and the hop count of a signal and the type of equipment; valuing the quality of a node signal; improving the update frequentness of a node to be adapted to switching under the environment with high-speed movement; caching a report in the process of switching; and controlling the power of package level. Compared with the prior art, the method has the following advantages of expanding the network coverage, saving the building cost with the terminal relay, fast building a link based on the treelike route and optimizing data link and improving data transmission speed.

Application Domain

Network topologies

Technology Topic

Data transmissionPower control +7

Examples

  • Experimental program(1)

Example Embodiment

[0030] The present invention is a method for using terminal relay to solve the coverage blind area of ​​a WLAN network. The implementation of the method can effectively solve the base station signal coverage problem in a complex environment and expand the range of the WLAN network.
[0031] The base station and terminal equipment establish a basic neighbor list through broadcast messages, and at the same time establish a topological relationship with neighbors according to the number of hops and device type identification in the message, and establish a basic tree routing table. When the destination address that the child node needs to send is not in the neighbor list, it is directly sent to the root node; when the destination address that the root node needs to send is not in the neighbor list, the route request process is initiated. The terminal equipment passes through a series of terminal nodes through multiple hops to provide a long end-to-end communication distance while providing a sufficiently high data transmission rate. Compared with the distance between the sending end and the receiving end, the distance between each node (per hop) is relatively short, and each hop can complete a much higher data transmission rate than direct communication, which makes the long-distance end The end-to-end communication system can also support high data transmission rates. In this terminal relay mode, each node only needs to transmit a short distance, so their transmission power is relatively small, which greatly reduces the interference in the system And make the frequency reuse more dense. In addition, because the data can be transmitted through intermediate nodes, the network enables signals to bypass obstacles and blockages in the local network to establish a robust route.

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