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New energy efficiency metric with imperfect channel considerations for OFDMA systems

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New energy efficiency metric with imperfect channel considerations for OFDMA systems. / C. Zarakovitis, Charilaos; Ni, Qiang; Spiliotis, J.

In: IEEE Wireless Communications Letters, Vol. 3, No. 5, 09.10.2014, p. 473-476.

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C. Zarakovitis, Charilaos ; Ni, Qiang ; Spiliotis, J. / New energy efficiency metric with imperfect channel considerations for OFDMA systems. In: IEEE Wireless Communications Letters. 2014 ; Vol. 3, No. 5. pp. 473-476.

Bibtex

@article{05b9890198d643c18fa71ffd1ea2bf75,
title = "New energy efficiency metric with imperfect channel considerations for OFDMA systems",
abstract = "Considering recent important efforts on green radio technologies this letter deliberates on imperfect channel realisations to propose a new effective-energy-efficiency metric for downlink transmissions in multi-user, multi-carrier orthogonal frequency division multiple access (OFDMA) systems. To comply with the traditional energy efficiency formula under the assumption of perfect channel knowledge available, this new metric is designed on the fractional relation between the effective throughput and the total power consumed at the transmitter. Mathematical proofs are presented to confirm such compliance in terms of the impact of the channel coefficients on the energy efficiency performance. In order to prove the property, the letter also presents a profound insight on the monotonicity of the noncentralised chi-squared distribution.",
author = "{C. Zarakovitis}, Charilaos and Qiang Ni and J. Spiliotis",
year = "2014",
month = oct,
day = "9",
doi = "10.1109/LWC.2014.2329697",
language = "English",
volume = "3",
pages = "473--476",
journal = "IEEE Wireless Communications Letters",
issn = "2162-2337",
publisher = "IEEE Communications Society",
number = "5",

}

RIS

TY - JOUR

T1 - New energy efficiency metric with imperfect channel considerations for OFDMA systems

AU - C. Zarakovitis, Charilaos

AU - Ni, Qiang

AU - Spiliotis, J.

PY - 2014/10/9

Y1 - 2014/10/9

N2 - Considering recent important efforts on green radio technologies this letter deliberates on imperfect channel realisations to propose a new effective-energy-efficiency metric for downlink transmissions in multi-user, multi-carrier orthogonal frequency division multiple access (OFDMA) systems. To comply with the traditional energy efficiency formula under the assumption of perfect channel knowledge available, this new metric is designed on the fractional relation between the effective throughput and the total power consumed at the transmitter. Mathematical proofs are presented to confirm such compliance in terms of the impact of the channel coefficients on the energy efficiency performance. In order to prove the property, the letter also presents a profound insight on the monotonicity of the noncentralised chi-squared distribution.

AB - Considering recent important efforts on green radio technologies this letter deliberates on imperfect channel realisations to propose a new effective-energy-efficiency metric for downlink transmissions in multi-user, multi-carrier orthogonal frequency division multiple access (OFDMA) systems. To comply with the traditional energy efficiency formula under the assumption of perfect channel knowledge available, this new metric is designed on the fractional relation between the effective throughput and the total power consumed at the transmitter. Mathematical proofs are presented to confirm such compliance in terms of the impact of the channel coefficients on the energy efficiency performance. In order to prove the property, the letter also presents a profound insight on the monotonicity of the noncentralised chi-squared distribution.

U2 - 10.1109/LWC.2014.2329697

DO - 10.1109/LWC.2014.2329697

M3 - Journal article

VL - 3

SP - 473

EP - 476

JO - IEEE Wireless Communications Letters

JF - IEEE Wireless Communications Letters

SN - 2162-2337

IS - 5

ER -