认知无线电网络中基于动态吞吐量的路由算法Dynamic throughput based routing algorithm in cognitive radio networks
沈毅斌,陈元亨,毕春艳
摘要(Abstract)：
针对认知无线电网络中传统路由协议的不足,提出基于动态吞吐量的认知无线电网络路由算法(LSAR)。LSAR协议利用动态传输吞吐量(DTT)作为选择转发节点判决指标。只有节点满足比当前节点更靠近于目的节点,比当前节点具有更低的传输时延两个条件才可以作为候选转发节点。LSAR协议再从候选转发节点中选择具有最大DTT的节点作为转发节点。仿真结果表明,提出的LSAR协议能减少信道切换次数及传输时延,并提高路径建立的成功率。
关键词(KeyWords)： 认知无线电;路由协议;动态频率接入;吞吐量;传输时延;转发节点
基金项目(Foundation): 国家自然科学基金资助项目(91318301);; 四川省教育厅科研项目(17ZB0255)~~
作者(Author): 沈毅斌,陈元亨,毕春艳
DOI: 10.16652/j.issn.1004-373x.2018.19.019
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