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A distributed cooperative routing method in a multi-interface multi-hop wireless network

A multi-hop wireless network and distributed collaboration technology, applied in wireless communication, electrical components, etc., to achieve the effect of maximizing end-to-end throughput

Active Publication Date: 2016-06-22
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, existing cooperative routing methods mainly focus on single-interface multi-hop wireless networks, and it is extremely challenging to study cooperative routing methods in multi-interface multi-hop network environments.

Method used

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  • A distributed cooperative routing method in a multi-interface multi-hop wireless network
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  • A distributed cooperative routing method in a multi-interface multi-hop wireless network

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Embodiment 4

[0040] Embodiment 4. In this embodiment, we give some experimental results to show the effect of the present invention in a wireless network. In the simulation experiment, it is assumed that the bandwidth of each interface is W=22MHz, and the maximum transmission power of each node is set to 1W. For the convenience of calculation, suppose h sd Contains only the propagation gain from node s to d, so |h sd | 2 =||s-d| -4 , where ||s-d|| is the distance between nodes s and d, the path loss parameter is set to 4, and the given error value ε=0.1. and assume that the variance of all node noise is 10 -10 W. Each node is equipped with two interfaces.

[0041] In a multi-hop multi-interface wireless network, there is no existing cooperative routing method, so we compare the method proposed by the present invention with different network settings in this embodiment. There are three kinds of methods that are compared with the method of the present invention. The first adopts a cen...

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Abstract

The invention discloses a multi-interface multi-hop wireless network lower-distribution type cooperation route method. The method comprises a multi-interface multi-hop cooperation wireless network, cooperation transmission and direct transmission between nodes of the cooperation wireless network can be used, a distributed type cooperation route method is designed in the multi-interface multi-hop cooperation wireless network, by means of the method, a cooperation route way can be found for each data stream, network interfaces can be reasonably distributed in multiple data streams, and therefore the effect of maximum smallest network data stream handling capacity can be achieved.

Description

technical field [0001] The invention relates to the field of wireless networks, in particular to a wireless network supporting cooperative communication technology, in particular to a distributed cooperative routing method in a multi-interface and multi-hop wireless network. Background technique [0002] MIMO (Multiple Input Multiple Output) technology uses multiple antennas to suppress channel fading, and is the mainstream performance optimization technology for next-generation wireless communication systems. However, MIMO technology needs to install multiple antennas on network nodes, which brings problems such as high complexity, high cost and high energy consumption. Due to the limitation of device size and hardware cost of nodes in wireless networks (such as multi-hop wireless mesh network, multi-hop wireless adhoc network, and multi-hop wireless sensor network), MIMO technology cannot be directly applied to multi-hop wireless networks. [0003] Compared with MIMO tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/04
Inventor 谢鲲王玲文吉刚
Owner HUNAN UNIV
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