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Method for secure routing and channel allocation in cognitive Mesh network

A channel allocation and routing technology, applied in network topology, security devices, wireless communication, etc., can solve problems such as wireless mesh network threats

Inactive Publication Date: 2010-09-29
THE PLA INFORMATION ENG UNIV
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  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a secure routing and channel allocation method in a cognitive Mesh network to solve real-time threats in a wireless Mesh network. Terminal users not only need to obtain expanded cognitive access bandwidth, but also need to obtain point-to-point and The problem of end-to-end secure transmission guarantee

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  • Method for secure routing and channel allocation in cognitive Mesh network
  • Method for secure routing and channel allocation in cognitive Mesh network
  • Method for secure routing and channel allocation in cognitive Mesh network

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] The cognitive wireless Mesh network can be abstracted as a directed graph G (CMR, DCS), where CMR is a collection of Cognitive radio Mesh Routers (CMR), and |CMR| represents the number of CMRs in the CWMN; DCS is dynamically available The data channel set (Dynamic Channel Set) (fixed allocation channel set∪cognitive channel set / full cognitive channel set), |DCS| indicates the number of channels. Each cmr∈CMR is configured with two half-duplex radio transceivers, one of which works on a specific shared common control channel, and coordinates local or global communication through signaling transmission; the other transceiver is on the DCS according to routing and spectrum decisions Dynamically switch channels to avoid co-channel interference and channel attacks, and is specially used for secure data transmission. There is a shared data ch...

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Abstract

The invention discloses a method for secure routing and channel allocation in a cognitive Mesh network. The method comprises the following steps that: a network side measures and acquires data of trust degree of nodes of a Mesh router after being initialized; the network side measures and acquires the data of channel security metrics; and the network sides performs routing response and channel allocation after performing routing discovery and routing selection of the routing security metrics according to the data of the trust degree of the nodes of the Mesh router and the data of the channel security metrics. The method for the secure routing and the channel allocation in the cognitive Mesh network is used for solving the problems that a terminal user not only needs to acquire extended cognitive access bandwidth but also needs to acquire point-to-point and end-to-end secure transmission assurance because of real-time threats in the Mesh network.

Description

technical field [0001] The invention relates to the technical field of wireless networks, in particular to a secure routing and channel allocation method in a cognitive Mesh network. Background technique [0002] Wireless Mesh networks (wireless mesh networks, WMN, wireless mesh network) applying cognitive radio (Cognitive Radio, CR) technology, that is, cognitive wireless Mesh networks (CWMN / CogMesh), seamlessly combine the advantages of both CR and WMN , not only using Mesh networking technology to realize the integration and unification of various heterogeneous wireless networks such as cellular mobile, WLAN, WiMAX, WiFi and WPAN, but also through the node's perception, understanding and self-adaptation of radio resources (such as spectrum, time, Space and power), effectively improve spectrum utilization and network throughput, thereby providing flexible broadband wireless network connections for multimedia users. [0003] Due to the characteristics of open media, dynami...

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Application Information

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IPC IPC(8): H04W12/00H04W40/02H04W84/18H04W12/122
Inventor 张静仵国锋何照盼胡捍英童珉冉晓旻莫有权陈迎春董芳匡为君
Owner THE PLA INFORMATION ENG UNIV
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