Adaptive wireless transmission strategy for maximizing energy efficiency

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• 作者：Caixia Cai ; Runhe Qiu ; Xue-Qin Jiang…
• 关键词：Energy efficiency (EE) ; Direct transmission (DT) ; Two ; way relay transmission (TWRT) ; Circuit power ; Adaptive wireless transmission (AWT) strategy
• 刊名：EURASIP Journal on Wireless Communications and Networking
• 出版年：2017
• 出版时间：December 2017
• 年：2017
• 卷：2017
• 期：1
• 全文大小：688KB
• 刊物主题：Signal,Image and Speech Processing; Communications Engineering, Networks; Information Systems Applications (incl.Internet);
• 出版者：Springer International Publishing
• ISSN：1687-1499
• 卷排序：2017

文摘

In a traditional wireless transmission system, studies about energy efficiency (EE) are usually for a fixed transmission mode. In this paper, we propose an adaptive wireless transmission (AWT) strategy with consideration of circuit power. In this AWT strategy, the transmission mode is switched between the direct transmission (DT) mode and the two-way relay transmission (TWRT) mode. The switch strategy is based on a transmission rate threshold R_th which makes the EEs of the DT mode and the TWRT mode equal. Furthermore, we propose a transmission rate threshold determining (TRTD) algorithm with a bisection method to find the threshold R_th. The simulation results also show that our AWT strategy has the maximum EE at a reasonable range of transmission rate.