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多速率认知网络中协作资源共享机制研究
Cooperative resource sharing for multi rate cognitive networks
- 通信学报 2011年32卷第11期 页码：35-43
- 作者机构：
- 作者简介：
[ "张琰（1983-），男，河南开封人，博士，西安电子科技大学讲师，主要研究方向为无线分布式网络、协作通信和认知网络。" ]
[ "盛敏（1975-），女，湖南长沙人，博士，西安电子科技大学教授、博士生导师，主要研究方向为移动ad hoc网络、QoS保障技术、认知网络等。" ]
[ "李建东（1962-），男，江苏阜宁人，博士，西安电子科技大学教授、博士生导师，主要研究方向为宽带无线IP技术、移动通信、认知无线网络、ad hoc网络等。" ]
[ "韩维佳（1980-），男，陕西西安人，博士，西安电子科技大学讲师，主要研究方向为认知无线电技术。" ]
[ "马骁（1984-），男，陕西咸阳人，西安电子科技大学博士生，主要研究方向为无线通信、异构网络融合等。" ]
- 基金信息：国家科技重大专项基金资助项目;The National Science and Technology Major Project of China(2010ZX03005-002);国家科技重大专项基金资助项目;The National Science and Technology Major Project of China(2010ZX03003-001);国家科技重大专项基金资助项目;The National Science and Technology Major Project of China(2011ZX03005-005);国家杰出青年科学基金资助项目;The National Science Fund for Distinguished Young Scholars of China(60725105);国家重点基础研究发展计划（“973”计划）基金资助项目(2009CB320404);长江学者和创新团队发展计划基金资助项目;Changjiang Scholars and Innovative Research Team in University(IRT0852);国家自然科学基金资助项目;The National Natural Science Foundation of China(60972048);国家自然科学基金资助项目;The National Natural Science Foundation of China(60972047);国家重点实验室专项基金资助项目;Special Fund of State Key Laboratory(ISN01080301);高等学校学科创新引智计划基金资助项目;The 111 Project(B08038);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(K50511010011)
DOI：1000-436X(2011)11-0035-09
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：
移动端阅览
张琰, 盛敏, 李建东, 等. 多速率认知网络中协作资源共享机制研究[J]. 通信学报, 2011,32(11):35-43.
Yan ZHANG, Min SHENG, Jian-dong LI, et al. Cooperative resource sharing for multi rate cognitive networks[J]. Journal on communications, 2011, 32(11): 35-43.
张琰, 盛敏, 李建东, 等. 多速率认知网络中协作资源共享机制研究[J]. 通信学报, 2011,32(11):35-43. DOI： 1000-436X(2011)11-0035-09.
Yan ZHANG, Min SHENG, Jian-dong LI, et al. Cooperative resource sharing for multi rate cognitive networks[J]. Journal on communications, 2011, 32(11): 35-43. DOI： 1000-436X(2011)11-0035-09.
摘要
针对多速率认知网络分析了不同体制网络间相互协作的动机及策略。基于排队论模型，提出了不同协作策略的时延分析模型，得到了不同类型用户的业务到达率、分组长度、信道传输速率与业务平均服务时间之间的解析关系，进而揭示了不同协作资源共享机制的时延性能以及适用的场景。数值仿真验证了分析模型的准确性和有效性，同时证明：通过合理利用用户间的协作，不仅可以更好地保障主用户业务的QoS性能，还可以有效提升次级用户的接入机会和QoS保障能力。
Abstract
The motivations and strategies of cooperation between heterogeneous networks were discussed for multi rate cognitive networks.Based on queuing theory
the delay analytical models for different cooperative strategies were proposed and the closed form analysis
which exactly shows the relationship among different users’ traffic arrival rate
packet length
transmission rate and service delay
was obtained to reveal the delay performance and appropriate application scenarios of different cooperative strategies.The simulation results confirm that the proposed analytical model is correct and effective.In addition
it shows that not only the QoS of primary user is better guaranteed
but also the access opportunity and QoS of secondary user are improved by cooperation dramatically.
关键词
Keywords
references
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