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基于多维资源自适应分配的协作认知传输机制

李钊 李意文

李钊, 李意文. 基于多维资源自适应分配的协作认知传输机制[J]. 电子与信息学报, 2016, 38(9): 2248-2254. doi: 10.11999/JEIT151286
引用本文: 李钊, 李意文. 基于多维资源自适应分配的协作认知传输机制[J]. 电子与信息学报, 2016, 38(9): 2248-2254. doi: 10.11999/JEIT151286
LI Zhao, LI Yiwen. Cooperative Cognitive Transmission Scheme Based on Adaptive Multi-dimensional Resource Allocation[J]. Journal of Electronics & Information Technology, 2016, 38(9): 2248-2254. doi: 10.11999/JEIT151286
Citation: LI Zhao, LI Yiwen. Cooperative Cognitive Transmission Scheme Based on Adaptive Multi-dimensional Resource Allocation[J]. Journal of Electronics & Information Technology, 2016, 38(9): 2248-2254. doi: 10.11999/JEIT151286

基于多维资源自适应分配的协作认知传输机制

doi: 10.11999/JEIT151286
基金项目: 

国家自然科学基金(61401354, 61401320, 61501285, 61102057), 高等学校引智计划基金(B08038)

Cooperative Cognitive Transmission Scheme Based on Adaptive Multi-dimensional Resource Allocation

Funds: 

The National Natural Science Foundation of China (61401354, 61401320, 61501285, 61102057), The 111 Project (B08038)

  • 摘要: 该文针对协作认知无线电网络提出一种时域、频域和空域资源联合分配的传输机制,在改善授权用户传输性能的前提下使参与协作的认知用户获得合理的回报。所提机制利用多天线认知节点担任中继,通过自适应的时隙划分与带宽分配,对两跳传输链路中的瓶颈予以消除;并在包含多个协作认知用户的场景中,给出一种考虑公平性的中继选择算法。该方法一方面采用比例公平的思想实现认知用户间的公平性,另一方面通过调整奖励因子,使中继获得合理的回报。仿真结果表明,所提算法能够改善授权与认知系统的数据速率,同时给予认知中继公平的回报。
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出版历程
  • 收稿日期:  2015-11-17
  • 修回日期:  2016-06-13
  • 刊出日期:  2016-09-19

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