Joint Subchannel and Power Allocation Optimization in Heterogeneous Networks


El-Haran, Mussab Nuri B. and Thiagarajah, Siva Priya and El-Saleh, Ayman A. and Tan, Wooi Nee (2018) Joint Subchannel and Power Allocation Optimization in Heterogeneous Networks. In: 2018 International Conference on Advances in Computing, Communications and Informatics (ICACCI). IEEE, pp. 1932-1937. ISBN 978-1-5386-5315-9

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This paper suggests a mathematical model in optimizing the subchannel and power allocations over a Heterogeneous Network. A multi-objective nonlinear constrained problem is formulated and solved by using an algorithm comprised of Lagrangian dual decomposition, Karush-Kuhn-Tucker conditions and subgradient method. The proposed optimization framework provides the operators the option to choose among three operating modes, namely high speed mode, power saving mode or balanced energy efficient mode. Comparisons with the equal power allocation model demonstrate that the obtainable solutions improve the efficiency of power allocation up to 36.18% when operating in power saving mode. The model achieves an improvement of 7.4% with higher total throughput when operating in high speed mode.

Item Type: Book Section
Uncontrolled Keywords: Electric power distribution, subchannel and power allocation, heterogeneous networks, resource allocation, optimization, KKT, dual decomposition
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3001-3521 Distribution or transmission of electric power
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 19 Jan 2021 02:26
Last Modified: 19 Jan 2021 02:28


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