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支持多速率多播的Ad hoc网络资源分配算法 被引量：2

Multi-rate Multi-cast Resource Allocation Algorithm for Ad hoc Networks
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摘要 多播流是无线Ad hoc网络中的一种常见和有效的通信形式,尤其是对多媒体业务而言。提出了一种支持多速率多播传输的Ad hoc网络资源分配算法,它通过引入基于价格的流量分配方案来解决多速率多播传输问题,从而能够自适应地分配网络流量,并且最大化网络流的总效用。仿真结果表明,该算法不仅具有良好的收敛性,而且它的多速率多播传输特性使得不同信道条件的用户能获得最佳的网络性能,从而提高了网络吞吐量。 Multicast sessions are expected to be an efficient communication scheme especially for multimedia applications in mobile Ad hoc networks.A new resource allocation algorithm was proposed for wireless Ad hoc networks with multi-rate multi-cast capability.It uses a price-based approach to solve the multi-rate multi-cast problem.And it can adaptively allocate network traffic such that the aggregate utility for all sessions is maximized.Simulation results show that the proposed algorithm not only has good convergence,but also its multi-rate multi-cast capability allows users with different channel to achieve maximum performance,thereby increasing the network throughput.
作者 韩冰青 陈伟 张宏
机构地区 南京审计学院信息科学学院 南京理工大学计算机学院
出处 《计算机科学》 CSCD 北大核心 2012年第12期55-59,共5页 Computer Science
基金 国家自然科学基金项目(70971068 60903027) 江苏省自然科学基金项目(BK2011692) 江苏省高校自然科学研究项目(10KJB520008)资助
关键词 AD HOC网络 资源分配 多速率 多播 Ad hoc networks Resource allocation Multi-rate Multi-cast
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献14

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二级参考文献16

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共引文献5

同被引文献23

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计算机科学
2012年 第12期

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