Uplink Power Control with Variable Target SINR for D2D Communications Underlying Cellular Networks

被引：2
|
作者：
de Melo, Yuri V. L. [1 ]
Batista, Rodrigo L. [1 ]
Silva, Carlos F. M. e [1 ]
Maciel, Tarcisio F. [1 ]
da Silva, Jose Mairton B., Jr. [1 ]
Cavalcanti, Francisco R. P. [1 ]
机构：
[1] Fed Univ Ceara UFC, Wireless Telecommun Res Grp GTEL, Fortaleza, Ceara, Brazil
来源：
2015 IEEE 81ST VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING) | 2015年
关键词：
D O I：
10.1109/VTCSpring.2015.7146150
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Researches in Power Control (PC) schemes are fundamental to provide efficient algorithms and understand their behavior in Device-to-Device (D2D) scenario. The aim of the current study is to investigate Open Loop Power Control (OLPC), Closed Loop Power Control (CLPC) and indicate Soft Dropping Power Control (SDPC) like an alternative PC scheme to D2D communications underlaying a cellular network. We briefly review PC schemes, suggest a new point of dynamic offset compensation factor sigma setting the issue in CLPC and evaluate its performance in terms of spectral and power efficiency. Results demonstrate that SDPC keeps a reasonable spectral efficiency and provides a gain of 70% in power efficiency in relation Long Term Evolution (LTE) PC schemes for cellular communications, and the factor sigma = 0.8 can modify the behavior of CLPC because increases the Signal to Interference-plus-Noise Ratio (SINR) of the worst users.
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页数：5
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