Robust schemes to enhance energy consumption efficiency for millimeter wave- based microcellular network in congested urban environments

Hindia, Mhd Nour and Qamar, Faizan and Ojukwu, Henry and Hassan, Rosilah and Dimyati, Kaharuddin (2021) Robust schemes to enhance energy consumption efficiency for millimeter wave- based microcellular network in congested urban environments. International Journal of Electronics and Telecommunications, 67 (3). pp. 417-424. ISSN 2081-8491, DOI

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Future wireless communication networks will be largely characterized by small cell deployments, typically on the order of 200 meters of radius/cell, at most. Meanwhile, recent studies show that base stations (BS) account for about 80 to 95 of the total network power. This simply implies that more energy will be consumed in the future wireless network since small cell means massive deployment of BS. This phenomenon makes energy-efficient (EE) control a central issue of critical consideration in the design of future wireless networks. This paper proposes and investigates (the performance of) two different energy-saving approaches namely, adaptive-sleep sectorization (AS), adaptive hybrid partitioning schemes (AH) for small cellular networks using smart antenna technique. We formulated a generic base-model for the above-mentioned schemes and applied the spatial Poisson process to reduce the system complexity and to improve flexibility in the beam angle reconfiguration of the adaptive antenna, also known as a smart antenna (SA). The SA uses the scalable algorithms to track active users in different segments/sectors of the microcell, making the proposed schemes capable of targeting specific users or groups of users in periods of sparse traffic, and capable of performing optimally when the network is highly congested. The capabilities of the proposed smart/adaptive antenna approaches can be easily adapted and integrated into the massive MIMO for future deployment. Rigorous numerical analysis at different orders of sectorization shows that among the proposed schemes, the AH strategy outperforms the AS in terms of energy saving by about 52 . Generally, the proposed schemes have demonstrated the ability to significantly increase the power consumption efficiency of micro base stations for future generation cellular systems, over the traditional design methodologies. © 2021 Polish Academy of Sciences. All rights reserved.

Item Type: Article
Funders: Dana Impak Perdana (DIP) Grant Scheme[DIP-2018-040], [FRGS/1/2018/TK04/UKM/02/07]
Uncontrolled Keywords: Micro-cell;Energy;5G;Millimeter-wave;Cell sectoring;Smart antenna
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 27 Oct 2022 08:09
Last Modified: 27 Oct 2022 08:09

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