Energy-efficient relay selection and optimal power allocation for performance-constrained dual-hop variable-gain AF relaying

Ammar Zafar; Redha Mahmoud Mesleh Radaydeh; Yunfei Chen; Mohamed-Slim Alouini

doi:10.1109/GLOCOM.2013.6831625

Energy-efficient relay selection and optimal power allocation for performance-constrained dual-hop variable-gain AF relaying

Ammar Zafar, Redha Mahmoud Mesleh Radaydeh, Yunfei Chen, Mohamed-Slim Alouini

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

This paper investigates the energy-efficiency enhancement of a variable-gain dual-hop amplify-and-forward (AF) relay network utilizing selective relaying. The objective is to minimize the total consumed power while keeping the end-to-end signal-to-noise-ratio (SNR) above a certain peak value and satisfying the peak power constraints at the source and relay nodes. To achieve this objective, an optimal relay selection and power allocation strategy is derived by solving the power minimization problem. Numerical results show that the derived optimal strategy enhances the energy-efficiency as compared to a benchmark scheme in which both the source and the selected relay transmit at peak power. © 2013 IEEE.

Original language	English (US)
Title of host publication	2013 IEEE Global Communications Conference (GLOBECOM)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	3559-3564
Number of pages	6
ISBN (Print)	9781479913534
DOIs	https://doi.org/10.1109/GLOCOM.2013.6831625
State	Published - Dec 2013

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10.1109/GLOCOM.2013.6831625

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title = "Energy-efficient relay selection and optimal power allocation for performance-constrained dual-hop variable-gain AF relaying",

abstract = "This paper investigates the energy-efficiency enhancement of a variable-gain dual-hop amplify-and-forward (AF) relay network utilizing selective relaying. The objective is to minimize the total consumed power while keeping the end-to-end signal-to-noise-ratio (SNR) above a certain peak value and satisfying the peak power constraints at the source and relay nodes. To achieve this objective, an optimal relay selection and power allocation strategy is derived by solving the power minimization problem. Numerical results show that the derived optimal strategy enhances the energy-efficiency as compared to a benchmark scheme in which both the source and the selected relay transmit at peak power. {\textcopyright} 2013 IEEE.",

author = "Ammar Zafar and Radaydeh, {Redha Mahmoud Mesleh} and Yunfei Chen and Mohamed-Slim Alouini",

note = "KAUST Repository Item: Exported on 2020-10-01",

year = "2013",

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doi = "10.1109/GLOCOM.2013.6831625",

language = "English (US)",

isbn = "9781479913534",

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Energy-efficient relay selection and optimal power allocation for performance-constrained dual-hop variable-gain AF relaying. / Zafar, Ammar; Radaydeh, Redha Mahmoud Mesleh; Chen, Yunfei et al.
2013 IEEE Global Communications Conference (GLOBECOM). Institute of Electrical and Electronics Engineers (IEEE), 2013. p. 3559-3564.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Energy-efficient relay selection and optimal power allocation for performance-constrained dual-hop variable-gain AF relaying

AU - Zafar, Ammar

AU - Radaydeh, Redha Mahmoud Mesleh

AU - Chen, Yunfei

AU - Alouini, Mohamed-Slim

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2013/12

Y1 - 2013/12

N2 - This paper investigates the energy-efficiency enhancement of a variable-gain dual-hop amplify-and-forward (AF) relay network utilizing selective relaying. The objective is to minimize the total consumed power while keeping the end-to-end signal-to-noise-ratio (SNR) above a certain peak value and satisfying the peak power constraints at the source and relay nodes. To achieve this objective, an optimal relay selection and power allocation strategy is derived by solving the power minimization problem. Numerical results show that the derived optimal strategy enhances the energy-efficiency as compared to a benchmark scheme in which both the source and the selected relay transmit at peak power. © 2013 IEEE.

AB - This paper investigates the energy-efficiency enhancement of a variable-gain dual-hop amplify-and-forward (AF) relay network utilizing selective relaying. The objective is to minimize the total consumed power while keeping the end-to-end signal-to-noise-ratio (SNR) above a certain peak value and satisfying the peak power constraints at the source and relay nodes. To achieve this objective, an optimal relay selection and power allocation strategy is derived by solving the power minimization problem. Numerical results show that the derived optimal strategy enhances the energy-efficiency as compared to a benchmark scheme in which both the source and the selected relay transmit at peak power. © 2013 IEEE.

UR - http://hdl.handle.net/10754/564834

UR - http://ieeexplore.ieee.org/document/6831625/

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U2 - 10.1109/GLOCOM.2013.6831625

DO - 10.1109/GLOCOM.2013.6831625

M3 - Conference contribution

SN - 9781479913534

SP - 3559

EP - 3564

BT - 2013 IEEE Global Communications Conference (GLOBECOM)

PB - Institute of Electrical and Electronics Engineers (IEEE)

ER -

Energy-efficient relay selection and optimal power allocation for performance-constrained dual-hop variable-gain AF relaying

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