Consumption Factor Optimization for Multihop Relaying Over Nakagami-m Fading Channels

被引：1

作者：

Randrianantenaina, Itsikiantsoa ^{[1
]}

Benjillali, Mustapha ^{[2
]}

Alouini, Mohamed-Slim ^{[1
]}

机构：

[1] King Abdullah Univ Sci & Technol, Div Comp Elect & Math Sci & Engn, Thuwal 23955, Saudi Arabia

[2] Inst Natl Postes & Telecommun, Dept Commun Syst, Rabat 10100, Morocco

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2016年 / 65卷 / 09期

关键词：

Amplify and forward (AF); capacity; consumption factor (CF); decode and forward (DF); energy efficiency (EE); multihop relaying; Nakagami-m fading; optimization; outage probability; ENERGY; EFFICIENCY;

D O I：

10.1109/TVT.2015.2487741

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the energy efficiency (EE) of multihop relaying over Nakagami-m fading channels is investigated. The "consumption factor" (CF), which is adopted as a metric to evaluate the EE, is derived for both amplify-and-forward and decode-and-forward relaying strategies. Then, based on the obtained expressions, we propose a power-allocation (PA) strategy maximizing the CF. In addition, a suboptimal low-complexity PA algorithm is proposed and analyzed, and the obtained PA scheme is compared in terms of EE with other PA schemes from the literature. Analytical and simulation results confirm the accuracy of our derivations and assess the performance gains of the proposed approach.

引用

页码：7796 / 7801

页数：6

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