| 移动自组织认知网络中的路由选择与信道分配方法 |
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| 引用本文： | 刘萍,袁培燕. 移动自组织认知网络中的路由选择与信道分配方法[J]. 计算机科学, 2017, 44(3): 140-144 |
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| 作者姓名： | 刘萍 袁培燕 |
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| 作者单位： | 河南师范大学计算机与信息工程学院 新乡453007;武汉理工大学信息工程学院 武汉430070,河南师范大学计算机与信息工程学院 新乡453007 |
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| 基金项目： | 本文受国家自然科学基金(U1404602),河南省高等学校重点科研项目(15A520079),河南省教育厅2015年度教师教育课程改革研究项目(2015-JSJYYB-016),河南师范大学2014年教育科学研究基金(5102079279301)资助 |
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| 摘 要： | 针对移动自组织认知网络中路由不稳定的问题,提出了一种路由选择与信道分配方法。首先,设计数据传输花费度量,兼顾路由稳健性和信道干扰；其次,依据认知节点的位置和速度信息计算链路剩余时间,预测路由稳健性；再次,针对不同的信道干扰模式实施信道分配,规避主节点干扰；最后,通过路由发现和路由确认步骤,选择最佳链路。仿真实验表明,与 经典的AODV方法相比,所提方法丢包率低、传输时延小。
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| 关 键 词： | 移动自组织认知网络 路由选择 信道分配 认知节点 主节点 最佳链路 |
| 收稿时间： | 2015-12-18 |
| 修稿时间： | 2016-02-29 |
Routing Selection and Channel Assignment Method for Mobile Ad Hoc Cognitive Network |
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| LIU Ping and YUAN Pei-yan. Routing Selection and Channel Assignment Method for Mobile Ad Hoc Cognitive Network[J]. Computer Science, 2017, 44(3): 140-144 |
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| Authors: | LIU Ping and YUAN Pei-yan |
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| Affiliation: | College of Computer and Information Engineering,Henan Normal University,Xinxiang 453007,China;School of Information Engineering,Wuhan University of Technology,Wuhan 430070,China and College of Computer and Information Engineering,Henan Normal University,Xinxiang 453007,China |
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| Abstract: | In order to solve the routing instability problem in mobile ad hoc cognitive network,a method of routing selection and channel assignment was proposed.First,it developes a data transfer costs measure,taking into account both routing stability and channel interference.Then,the remanding time of a link is calculated according to the position and velocity information of cognitive nodes,and the stability of routing is predictived.And then interference of primary nodes is avoided,through assigning channels according to different channel interference patterns.Finally,the best link is selected through two steps including route discovery and route confirmation.Simulation results show that,by comparing with the classical AODV method,the new method has lower packet loss rate and smaller transmission delay. |
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| Keywords: | Mobile ad hoc cognitive networks Routing selection Channel assignment Cognitive nodes Primary nodes Best link |
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