基于移动自组织网络的分布式信道分配控制算法研究
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摘要
移动自组织网络中存在暴露节点对信道干扰的问题,因此提出一种分布式信道分配功率算法,用带功率控制的信道分配方式对信道进行自适应调整分配,减少由暴露节点带来的通信干扰,实现节点在移动干扰区内通信,提高移动自组织网络容量。仿真结果表明该算法在保持良好的吞吐量前提下,减少了控制信息开销并减小了传输延迟,实现信道分配最大化,较好地保证了服务质量。
In the mobile self-organization network,there is a problem of the interference of the exposed nodes to the channel,and a distributed channel power distribution algorithm is proposed.With the channel distribution method with power control,the channel is adjusted and assigned by adaptive adjustment to reduce the communication interference brought by the exposed nodes.The node can communicate in the mobile interference area and increase the capacity of mobile self-organizing network.The simulation results show that the algorithm maximizes channel availability,reduces control message overhead and ensures good service quality while maintaining good throughput.
In the mobile self-organization network,there is a problem of the interference of the exposed nodes to the channel,and a distributed channel power distribution algorithm is proposed.With the channel distribution method with power control,the channel is adjusted and assigned by adaptive adjustment to reduce the communication interference brought by the exposed nodes.The node can communicate in the mobile interference area and increase the capacity of mobile self-organizing network.The simulation results show that the algorithm maximizes channel availability,reduces control message overhead and ensures good service quality while maintaining good throughput.
引文
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[2] 潘磊,李廷元.适用于移动自组织网络的信息安全动态评估模型[J].计算机应用,2015,35(12):3 419-3 423.
[3] 于云龙,茹乐,方堃,等.面向高动态移动自组织网络的生物启发分簇算法[J].电子学报,2018,46(4):918-929.
[4] 何建文,周继鹏.移动自组织网络带宽保证时隙分配算法[J].计算机工程,2016,42(6):101-107.
[5] 陈园,马林,郑敏.基于信任度评估的移动自组织网络路由协议[J].计算机工程,2015,41(4):135-139.
[6] 董萍,钱焕婷,兰少华.移动自组织网络多径机会路由算法[J].南京理工大学学报,2013,37(3):337-343.
[7] C CHANG,P HUANG,C CHANG,et al.Dynamic channel assignment and reassignment for exploiting channel reuse opportunities in ad hoc wireless networks[J].IEICE Trans,Commun,2003,E86-B(4):1 234-1 246.
[8] R RENESSE,V FRIDERIKOS,H AGHVAMI.Cross-layer cooperation for accurate admission control decisions in mobile ad hoc networks[J].IEE Proc,Commun,2004,1(4):577-586.
[9] R R RAMANATHAN,R ROSALES-HAIN.Topology control for multihop wireless networks using transmit power adjustment[J].IEEE Infocom,2000(C):404-413.
[10] J SO,N VAIDYA.Multi-channel MAC for ad hoc networks:handling multichannel hidden terminals using a single transceiver[J].ACM MobiHOC,2004(C):222-233.
[11] A MUQATTASH,M KRUNZ.A distributed transmission power control protocol for mobile ad hoc networks[J].IEEE Trans,Mobile Comput,2004,3(2):113-128.
[12] H ZAHO,E GARCIA-PALACIOS,J WEI.Accurate available bandwidths estimation in IEEE 802.11-based ad hoc networks[J].Comput Commun,2009,32:1 050-1 057.