Overlay multicast strategy based on utility optimization for wireless mesh networks

ZHU Cui-tao1; YANG Zong-kai1; CHENG Wen-qing1; WU Di1; YAN He 1

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Overlay multicast strategy based on utility optimization for wireless mesh networks

更新时间：2024-10-14

- Overlay multicast strategy based on utility optimization for wireless mesh networks
- Issue 6, Pages: 106-112(2008)
- 作者机构：
  
  1. 华中科技大学电子与信息工程系
  2. 华中科技大学电子与信息工程系,湖北,武汉,430074
  3. 中南民族大学电子信息工程学院
  4. ,湖北,武汉,430073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN925
- Published：2008
- 稿件说明：
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ZHU Cui-tao1, YANG Zong-kai1, CHENG Wen-qing1, et al. Overlay multicast strategy based on utility optimization for wireless mesh networks[J]. 2008, (6): 106-112.
DOI：

ZHU Cui-tao1, YANG Zong-kai1, CHENG Wen-qing1, et al. Overlay multicast strategy based on utility optimization for wireless mesh networks[J]. 2008, (6): 106-112. DOI：

摘要

支持多播通信是无线mesh网络(WMN)的一个重要应用。采用基于效用的定价机制

通过拉格朗日(Lagrange)对偶分解法获得一个基于价格的分布式算法。以该分布式算法为核心作为无线mesh网络中数据流速率和功率调整的优化策略

每条链路根据自己转发流所消耗功率状况合理地定价

通过价格机制来调节数据流的速率

从而调整节点接收数据流的速率

使网络净效用最大化。实验结果表明该算法是有效可行的。

Abstract

Multicast support is a critical and desirable feature of wireless mesh network（WMN）.A distributed algorithm was presented based on pricing scheme by using Lagrange dual decomposition technique.According to the algorithm to joint optimizing rate allocation of flows and power consumption of links for forwarding data flows

to maximize the net utility.The price is associated with each individual network link

which reflects the traffic load on this link.The flow in turn collects the prices of all links on its multicast path and calculates the overall network price

then adjusts the stream-ing rate.The validity and effectiveness of the approach are demonstrated in simulations.

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