Energy-Efficient Power Allocation for Uplink SC-FDMA

被引：0
|
作者：
Zheng, Zhengguang [1 ]
Ji, Qiuyue [1 ]
Dan, Lilin [1 ]
Li, Shaoqian [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Commun, Chengdu 610054, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING (WICOM) | 2012年
关键词：
Energy-efficiency(EE); spectral efficiency(SE); power allocation(PA); single-carrier frequency division multiple access (SC-FDMA);
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Energy-efficiency (EE) of wireless communication is becoming one of the key performance evaluation criteria for battery-driven system. In this paper, an optimization problem to maximize the instantaneous bits-per-Joule metric with given spectral-efficiency (SE) requirement is formulated for uplink SC-FDMA system over frequency-selective channels. Based on this optimization model, a novel low-complexity energy-efficient optimal power allocation (OPA) algorithm for each user is proposed to achieve maximum EE. Numerical results demonstrate that the proposed scheme has a better tradeoff between SE and EE than conventional power allocation schemes.
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收藏
页数：4
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