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认知无线网络按需协同感知和信道分配
On-demand cooperative spectrum sensing and channel allocation in cognitive wireless networks
- 通信学报 2011年32卷第11期 页码：104-110
- 作者机构：
- 作者简介：
[ "李保罡（1980-），男，河北保定人，北京邮电大学博士生，主要研究方向为协作认知技术及无线Mesh网络。" ]
[ "刘元安（1963-），男，四川乐至人，北京邮电大学教授、博士生导师，主要研究方向为移动通信、信息安全。" ]
[ "刘凯明（1978-），男，湖北潜江人，北京邮电大学副教授，主要研究方向为宽带无线通信、无线自组织网络及网络融合等。" ]
- 基金信息：国家重大专项;The National Major Projects of China(2010ZX03005-001-03);国家重大专项;The National Major Projects of China(2010ZX03007-003-04);国家自然科学基金资助项目;The National Natural Sience Foundation of China(60802033);国家自然科学基金资助项目;The National Natural Sience Foundation of China(60873190);中央高校基本科研业务费专项基金资助项目;The Fundamental Research Funds for the Central Universities(2009RC0308);安全生产智能监控北京市重点实验室资助项目;The Intelligent Safety Monitoring Project Supported by Beijing Key Laboratory
DOI：1000-436X(2011)11-0104-07
中图分类号： TP393-
网络出版日期：2011-11，
纸质出版日期：2011-11-25
- 稿件说明：
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李保罡, 刘元安, 刘凯明. 认知无线网络按需协同感知和信道分配[J]. 通信学报, 2011,32(11):104-110.
Bao-gang LI, Yuan-an LIU, Kai-ming LIU. On-demand cooperative spectrum sensing and channel allocation in cognitive wireless networks[J]. Journal on communications, 2011, 32(11): 104-110.
李保罡, 刘元安, 刘凯明. 认知无线网络按需协同感知和信道分配[J]. 通信学报, 2011,32(11):104-110. DOI： 1000-436X(2011)11-0104-07.
Bao-gang LI, Yuan-an LIU, Kai-ming LIU. On-demand cooperative spectrum sensing and channel allocation in cognitive wireless networks[J]. Journal on communications, 2011, 32(11): 104-110. DOI： 1000-436X(2011)11-0104-07.
摘要
结合路由发现和维护过程中控制消息的广播特性，提出将频谱协同感知和信道分配的交互信息部分融入路由控制消息的方法。认知用户的信息交互随按需路由发现过程而启动，并在路由沿线建立协同感知节点簇，利用路由维护消息对该节点簇进行维护。同时以认知网络容量最大化为目标，提出将频谱协同感知和信道分配联合设计。仿真分析表明，减少了认知用户的信息交互开销，缓解了认知无线网络中控制信道的瓶颈影响，对空闲频谱进行了高效再利用。
Abstract
Combining of the broadcast feature of control messages in the route discovery and maintenance process
a method to make the mutual information of the spectrum sensing and channel allocation into the route control messages was proposed.The information exchange of cognitive users is started by the route discovery process
and then creates the node cluster for cooperative sensing along the route path
which is maintained by the route maintenance messages.In order to maximize the network capacity of cognitive users
proposed jointly design of the spectrum sensing and the channel allocation.Simulation analysis showed that the overhead of information exchange for cognitive users reduce
and ease the bottleneck effects of the control channel in cognitive wireless networks
meanwhile efficiently re-use the idle spectrum.
关键词
Keywords
references
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程赓 , 李昀照 , 刘威 . 认知无线电网络路由及频谱分配联合策略研究 [J ] . 电子与信息学报 , 2008 , 30 ( 3 ): 695 - 698 .
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