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Method for acquiring a plurality of reliable communication paths based on field intensity in multi-layer wireless network

A wireless network and communication path technology, applied in wireless communication, sustainable communication technology, climate sustainability, etc., can solve problems such as large computational space complexity, reduce algorithm space complexity, reduce memory overhead, and reduce system The effect of computation

Active Publication Date: 2014-10-08
SHENZHEN NEOWAY TECH
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Problems solved by technology

[0009] The purpose of the present invention is to propose a method for obtaining multiple reliable communication paths based on field strength in a multi-layer wireless network, and solve the problem of excessive computational space complexity under the premise of satisfying performance

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  • Method for acquiring a plurality of reliable communication paths based on field intensity in multi-layer wireless network
  • Method for acquiring a plurality of reliable communication paths based on field intensity in multi-layer wireless network

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Embodiment Construction

[0032] The method for obtaining multiple reliable communication paths based on field strength in the multi-layer wireless network proposed by the present invention firstly receives the radio frequency signals sent by other nodes by each node in the wireless network to obtain neighbor field strength information; it is obtained by calculating the multi-point shortest path algorithm The forward optimal path set and the forward optimal path from the source node to the destination node; then the reverse optimal path set and the reverse optimal path from the destination node to the source node are obtained by calculating the multi-point optimal path algorithm; The suboptimal path is obtained by calculating the weight of the forward optimal path and the weight of the reverse optimal path; by testing the optimal path and the suboptimal path, multiple optimal paths of the wireless network are determined;

[0033] In the above multiple route calculation method, the method of using the mu...

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Abstract

The invention relates to a method for acquiring a plurality of reliable communication paths based on the field intensity in a multi-layer wireless network, and belongs to the technical field of wireless communication. First, each node of a wireless network receives radio frequency signals sent by other nodes and acquires neighbor field intensity information; a forward optimal path set and a forward optimal path from a source node to a destination node are acquired through calculation by use of a multi-point shortest path algorithm; a reverse optimal path set and a reverse optimal path from the destination node to the source node are acquired through calculation by use of a multi-point optimal path algorithm; sub-optimal paths are worked out based on a forward optimal path weight and a reverse optimal path weight; and a plurality of optimal paths of the wireless network are determined by testing the optimal paths and the sub-optimal paths. The amount of calculation and the spatial complexity in the process of optimal path acquiring are reduced, the energy consumption of a system is reduced, and the communication reliability of the wireless network is improved.

Description

technical field [0001] The invention relates to a method for obtaining multiple reliable communication paths based on field strength in a multi-layer wireless network, and belongs to the technical field of wireless communication. Background technique [0002] In the field of communication technology, the multipath calculation method is widely used, and its advantage is that it improves the throughput and reliability of the network. At the same time, the application of multipath also brings about the problem of how to obtain multiple optimal paths. KSP algorithm, that is, the K shortest path algorithm, is an algorithm to solve the problem of obtaining multiple paths from a specified source node to a destination node in the network topology. Through this algorithm, the path weight and order from small to large can be obtained in the network topology. of K paths. As a practical algorithm, the K shortest path algorithm is widely used in various fields of communication routing c...

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Application Information

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IPC IPC(8): H04W40/04
CPCY02D30/70
Inventor 冯子奇李智
Owner SHENZHEN NEOWAY TECH
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