[PDF][PDF] 认知无线电网络中基于协作水平的协作门限与功率联合优化
张纬良， 郑宝玉， 岳文静 - 电子与信息学报, 2011 - edit.jeit.ac.cn
将协作传输技术用于认知无线电网络不仅增强了系统抗衰落能力, 而且有效提高了频带利用率.
但是, 中继节点何时必须参与协助源节点传输信息是一个值得考虑的问题 …
但是, 中继节点何时必须参与协助源节点传输信息是一个值得考虑的问题 …
[PDF][PDF] 基于认知无线电的双向中继网络的资源分配
梁爽， 杨守义， 郝万明 - 电信科学, 2015 - infocomm-journal.com
针对认知无线电中的双向中继网络, 研究了基于非完美感知的频谱机会式接入和频谱共享接入下
的资源分配问题. 与传统基于认知的双向中继的资源分配方法不同, 提出的算法联合考虑了感知 …
的资源分配问题. 与传统基于认知的双向中继的资源分配方法不同, 提出的算法联合考虑了感知 …
Distributed beamforming for SINR balancing approach in cognitive two-way relay networks with imperfect channel state information
A cooperative bidirectional relaying scheme based on distributed relay beamforming is
proposed for an underlay cognitive radio network which consists of two secondary …
proposed for an underlay cognitive radio network which consists of two secondary …
Cognitive decode-and-forward relaying with successive interference cancelation
C Zhai, L Zheng, W Guo - EURASIP Journal on Wireless Communications …, 2018 - Springer
In this work, we study the cognitive decode-and-forward (DF) relaying, where a primary user
(PU) communicates with an access point (AP), and in the same geographical region, a …
(PU) communicates with an access point (AP), and in the same geographical region, a …
Performance of a multihop cognitive radio network with diversity under imperfect CSI
This paper analyses the outage performance of a multihop relay-based cognitive radio
network under imperfect channel state information. A backoff power control scheme is …
network under imperfect channel state information. A backoff power control scheme is …
认知无线电中继协助网络资源分层优化算法
陈健， 樊光辉， 阔永红 - 吉林大学学报(工学版), 2014 - xuebao.jlu.edu.cn
在认知多用户中继网络系统场景下, 针对时变信道完全DF 中继两跳传输的差异性问题,
采用纳什议价公平性准则效用函数, 提出了联合用户传输模式选择, 子载波配对 …
采用纳什议价公平性准则效用函数, 提出了联合用户传输模式选择, 子载波配对 …