A novel ant-colony optimized QoS routing algorithm based on multiple transferring strategies for tactical MANETs

被引:0
|
作者
Du, Qingsong [1 ,2 ]
Zhu, Jiang [1 ]
Zhang, Eryang [1 ]
机构
[1] College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
[2] School of Computer and Communications, Hunan University, Changsha 410082, China
关键词
Computational complexity - Mobile ad hoc networks - Quality of service - Artificial intelligence - Mobile telecommunication systems - Routing algorithms;
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学科分类号
摘要
QoS routes searching in tactical MANETs is a NP-complete problem, to which the ant-colony optimization algorithm is an effective solution. To improve the efficiency of ACO based QoS routing algorithms, an ant-colony optimized QoS routing algorithm (MTS-AQRA) based on multiple transferring strategies was proposed. MTS-AQRA integrates link's stability and route's congestion into conventional QoS requirements in the process of routing. By utilizing the diversity of route-search ants and the concurrent route-searching result from the multiple transferring processes, MTS-AQRA can work rapidly and effectively to establish stable routes which satisfy the QoS requirements of certain services. Simulation results show that MTS-AQRA outperforms AODV, QoS-Aware ACO and AntHocNet in terms of packet delivery ratio, end-to-end delay, end-to-end throughput and route stability.
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页码:107 / 114
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