多跳分布式无线通信网中的自适应协作传输关键问题研究

项目名称： 多跳分布式无线通信网中的自适应协作传输关键问题研究

项目编号： No.61271255

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 无线电电子学、电信技术

项目作者： 林敏

作者单位： 中国人民解放军理工大学

项目金额： 70万元

中文摘要： 作为近年来无线通信领域最具影响力的革命性传输技术，协同通信成为业界关注的焦点。本项目旨在探索多跳分布式无线通信网络架构下多天线协同传输领域亟待解决的理论问题和技术方案，开展以下工作：①分析信道状态信息(CSI)不准确时双跳非对称中继信道和分布式多点协作(CoMP)无线信道的容量；②提出认知网络节点技术(CNNT)的功能模型及构成要素,尤其是高效率的信道信息获取和有限反馈策略以及基于学习和推理的智能决策机制；③研究非对称信道和CSI存在误差时的协同中继优化准则建立、基于相关匹配的次优求解算法以及利用CNNT的传输策略自适应调整；④提出波束域联合处理CoMP技术，探索利用不准确CSI的多维域联合优化设计、与其它空时处理技术的有机结合以及通过CNNT的自适应工作模式切换。本项目的创新性研究将会为尽快解决制约协同通信发展的若干瓶颈问题提供理论依据和技术方案，推动其在民用和军事无线通信领域的应用。

中文关键词： 无线通信系统；协作传输；自适应技术；波束形成；

英文摘要： Recently, cooperative communication has been considered as one of the most influential and revolutionary techniques for wireless communications, and has received considerable attention in academic and industrial communities. To study the pressing theoretical and technical problems for multi-antenna cooperative transmission in multi-hop distributed wireless communication networks, the project will implement the following works: ① In the case of inaccurate channel state information (CSI), the capacities of the dual-hop asymmetric relay channels and the distributed coordinated multiple point (CoMP) wireless channels will be analyzed. ② Functional model and constituent elements of cognitive network node technology (CNNT), which includes the efficient methods of CSI acquisition, limited feedback and intelligent decision based on learning and deduction, will be proposed. ③ By considering the asymmetric relay channels and imperfect CSI, the cooperative relay technology will be presented, which includes the foundation of optimal criterion, the design of suboptimal algorithm based on correlative match, and the adaptive adjustment of the transmission strategies using CNNT. ④ Beam-space joint processing CoMP technique will be presented, and furthermore, the multidimensional joint optimization design, the combination with o

英文关键词： wireless communication systems；cooperative transmission；adaptive technoloey；beamforming；