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Frontiers of Information Technology & Electronic Engineering

ISSN 2095-9184

Frontiers of Information Technology & Electronic Engineering  2017, Vol. 18 Issue (2): 253-261   https://doi.org/10.1631/FITEE.1601414
  本期目录
认知中继三跳网络联合优化
澄 赵1(),万良 王1(),信威 姚1,双华 杨2
1. 浙江工业大学计算机科学与技术、软件学院
2. Department of Computer Science, Loughborough University, Loughborough LE11 3TU, UK
 全文: PDF(1373 KB)  
Abstract

认知中继网络中,传输的吞吐量和传输距离一直是衡量性能的重要指标。现有的研究多数都集中在两跳网络的优化,但其也存在着传输距离不长,只能进行单项传输等缺点。本文提出了一种新的使用认知中继的三跳网络传输方案,通过三阶段的传输过程,实现了次级用户之间的双向传输。同时,引入了叠加编码技术来处理网络中双接收节点的情况。本文将这个三阶段的联合优化问题转化为一个非线性的优化问题,并进行了求解。仿真结果表明,本文提出的优化方法可以在不增加中继跳数的情况下,延长主用户传输距离,并同时提高次级用户的传输吞吐量。

Key words解码转发    三跳    认知中继网络    时间功率分配    叠加编码
收稿日期: 2016-07-14      出版日期: 2017-03-20
Corresponding Author(s): 万良 王   
 引用本文:   
. [J]. Frontiers of Information Technology & Electronic Engineering, 2017, 18(2): 253-261.
澄 赵,万良 王,信威 姚,双华 杨. 认知中继三跳网络联合优化. Front. Inform. Technol. Electron. Eng, 2017, 18(2): 253-261.
 链接本文:  
https://academic.hep.com.cn/fitee/CN/10.1631/FITEE.1601414
https://academic.hep.com.cn/fitee/CN/Y2017/V18/I2/253
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