認知網(wǎng)絡中D2D全雙工通信的速率最大化功率分配算法

謝顯中; 田瑜; 姚鑫凌; 雷維嘉

doi:10.11999/JEIT160593

認知網(wǎng)絡中D2D全雙工通信的速率最大化功率分配算法

doi: 10.11999/JEIT160593 cstr: 32379.14.JEIT160593

基金項目:

國家自然科學基金(61271259, 61471076)，重慶市教委科學技術研究項目(KJ130536)，長江學者和創(chuàng)新團隊發(fā)展計劃(IRT1299)，重慶市科委重點實驗室專項經(jīng)費(CSTC)

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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2016-06-03
- 修回日期: 2016-11-30
- 刊出日期: 2017-04-19

Power Allocation Algorithm of Maximizing Rate for D2D Full-duplex Communication in Cognitive Networks

Funds:

The National Natural Science Foundation of China (61271259, 61471076), The Research Project of Chongqing Education Commission (KJ130536), The Program for Changjiang Scholars and Innovative Research Team in University (IRT1299), The Special Fund of Chongqing Key Laboratory (CSTC)

摘要

摘要: 針對認知D2D(Device-to-Device)全雙工通信網(wǎng)絡中，D2D用戶共享蜂窩用戶上行鏈路的頻譜資源而帶來的復雜干擾問題，該文給出了系統(tǒng)傳輸速率最大化的功率分配方案。該方案首先給出了認知D2D全雙工通信模型，并分析了上行鏈路中基站和D2D用戶所受到的干擾以及對應的鏈路傳輸速率。其次，提出了一種基于認知無線電系統(tǒng)中最大化D2D用戶傳輸速率的功率分配算法。仿真結(jié)果表明，所提算法提高了認知D2D全雙工通信網(wǎng)絡中上行鏈路的頻譜效率和系統(tǒng)整體傳輸速率。
- D2D通信 /
- 認知無線電 /
- 全雙工通信 /
- 功率分配 /
- 傳輸速率最大化
Abstract: In the cognitive D2D (Device-to-Device) full-duplex communication network, there is the interference problem when D2D UsErs (DUEs) share the same spectrum with Cellular UsErs (CUEs) in the uplink, a power allocation scheme is proposed to maximize transmission rate. In the scheme, firstly, the cognitive D2D full-duplex communication model is described. Meanwhile, the uplink interference and the corresponding transmission rates at the base station and DUEs are analyzed. Secondly, a power allocation algorithm is proposed to maximize the DUEs transmission rate in cognitive radio system. Simulation results show that the proposed algorithm can improve the spectrum efficiency and the overall transmission rate of the system in the uplink of the cognitive D2D full-duplex communication network.
- Device-to-Device (D2D) communication /
- Cognitive radio /
- Full-duplex communication /
- Resource allocation /
- Maximizing transmission rate

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參考文獻(12)

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