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Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems

It is arbitrarily known that the spectrum scarcity issue in the wireless channel has brought to the surface several Quality of Service (QoS)-related challenges for the network operators. Although it is claimed a QoS improvement may be possible if a high wireless signal frequency is generated, this s...

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Main Authors: Madi, Nadim K. M., Mohd Hanapi, Zurina, Othman, Mohamed, K. Subramaniam, Shamala
Format: Conference or Workshop Item
Language:English
Published: IEEE 2018
Online Access:http://psasir.upm.edu.my/id/eprint/68940/1/Energy-aware%20subchannels%20power%20allocation%20for%20downlink%20transmissions%20in%20OFDMA%20systems.pdf
http://psasir.upm.edu.my/id/eprint/68940/
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spelling my.upm.eprints.689402019-06-12T02:06:53Z http://psasir.upm.edu.my/id/eprint/68940/ Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems Madi, Nadim K. M. Mohd Hanapi, Zurina Othman, Mohamed K. Subramaniam, Shamala It is arbitrarily known that the spectrum scarcity issue in the wireless channel has brought to the surface several Quality of Service (QoS)-related challenges for the network operators. Although it is claimed a QoS improvement may be possible if a high wireless signal frequency is generated, this solution does not seem to be compatible with the emerged network scenarios, wherein low power and energy-efficient communications are among the core driving QoS criteria. Minding that, in this paper, we look into the problem of subchannel power allocation at the downlink LTE-A network. Accordingly, an Energy-aware Subchannels Power Allocation (EaSPA) algorithm is proposed to solve the formulated non-convex optimization problem. The system-level simulation experiments imply that the proposed subchannels power allocation model enhances the energy efficiency by 20% compared with a reference scheme. In addition, a low dissipated power level is preserved over different network loads. IEEE 2018 Conference or Workshop Item PeerReviewed text en http://psasir.upm.edu.my/id/eprint/68940/1/Energy-aware%20subchannels%20power%20allocation%20for%20downlink%20transmissions%20in%20OFDMA%20systems.pdf Madi, Nadim K. M. and Mohd Hanapi, Zurina and Othman, Mohamed and K. Subramaniam, Shamala (2018) Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems. In: 2018 IEEE 4th International Symposium on Telecommunication Technologies (ISTT2018), 26-28 Nov. 2018, Bangi, Selangor, Malaysia. . 10.1109/ISTT.2018.8701723
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description It is arbitrarily known that the spectrum scarcity issue in the wireless channel has brought to the surface several Quality of Service (QoS)-related challenges for the network operators. Although it is claimed a QoS improvement may be possible if a high wireless signal frequency is generated, this solution does not seem to be compatible with the emerged network scenarios, wherein low power and energy-efficient communications are among the core driving QoS criteria. Minding that, in this paper, we look into the problem of subchannel power allocation at the downlink LTE-A network. Accordingly, an Energy-aware Subchannels Power Allocation (EaSPA) algorithm is proposed to solve the formulated non-convex optimization problem. The system-level simulation experiments imply that the proposed subchannels power allocation model enhances the energy efficiency by 20% compared with a reference scheme. In addition, a low dissipated power level is preserved over different network loads.
format Conference or Workshop Item
author Madi, Nadim K. M.
Mohd Hanapi, Zurina
Othman, Mohamed
K. Subramaniam, Shamala
spellingShingle Madi, Nadim K. M.
Mohd Hanapi, Zurina
Othman, Mohamed
K. Subramaniam, Shamala
Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems
author_facet Madi, Nadim K. M.
Mohd Hanapi, Zurina
Othman, Mohamed
K. Subramaniam, Shamala
author_sort Madi, Nadim K. M.
title Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems
title_short Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems
title_full Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems
title_fullStr Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems
title_full_unstemmed Energy-aware subchannels power allocation for downlink transmissions in OFDMA systems
title_sort energy-aware subchannels power allocation for downlink transmissions in ofdma systems
publisher IEEE
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/68940/1/Energy-aware%20subchannels%20power%20allocation%20for%20downlink%20transmissions%20in%20OFDMA%20systems.pdf
http://psasir.upm.edu.my/id/eprint/68940/
_version_ 1643839351348527104
score 13.211869

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