Ergodic Rate Analysis on Applying Antenna Selection in D2D Communication Underlaying Cellular Networks

Senjie Zhang; Yuyang Wang; Zhiqiang He; Shi Jin

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Ergodic Rate Analysis on Applying Antenna Selection in D2D Communication Underlaying Cellular Networks

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By reusing the spectrum of a cellular network, device-to-device(D2D) communications is known to greatly improve the spectral efficiency bypassing the base station(BS) of the cellular network. Antenna selection is the most cost efficient scheme for interference management, which is crucial to D2D systems. This paper investigates the achievable rate performance of the D2D communication underlaying the cellular network where a multiple-antenna base station with antenna selection scheme is deployed. We derive an exact closed-form expression of the ergodic achievable rate. Also, using Jensen's inequality, two pairs of upper and lower bounds of the rate are derived and we validate the tightness of the two sets of bounds. Based on the bounds obtained, we analyze the ergodic achievable rate in noise-limited scenario, interference-limited high SNR scenario and larger-scale antenna systems. Our analysis shows that the presence of D2D users could be counter-productive if the SNR at cellular UE is high. Further analysis shows that the relationship between the ergodic rate and the number of antennas it positive, but keeps decreasing as the antenna number increasing. These show the inefficiency of antenna selection in D2D interference management.

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来源
《中国通信：英文版》 |2017年第11期|167-184|共18页
作者
Senjie Zhang; Yuyang Wang; Zhiqiang He; Shi Jin;
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作者单位

Key Laboratory of Universal Wireless Communications;

Ministry of Education;

Beijing University of Posts and Telecommunications;

Beijing 100876;

China;

The University of Texas at Austin;

USA;

National Mobile Communications Research Laboratory;

Southeast University;

Nanjing 210096;

China;

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原文格式 PDF
正文语种 chi
中图分类一般性问题;
关键词
antenna selection; D2D communication; ergodic achievable rate; Jensen’s inequality; massive MIMO;

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Ergodic Rate Analysis on Applying Antenna Selection in D2D Communication Underlaying Cellular Networks

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