Analytical bounds on the area spectral efficiency of uplink heterogeneous networks over generalized fading channels

Muhammad Shakir; Hina Tabassum; Mohamed-Slim Alouini

doi:10.1109/TVT.2013.2291816

Analytical bounds on the area spectral efficiency of uplink heterogeneous networks over generalized fading channels

Muhammad Shakir, Hina Tabassum, Mohamed-Slim Alouini

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Heterogeneous networks (HetNets) are envisioned to enable next-generation cellular networks by providing higher spectral and energy efficiency. A HetNet is typically composed of multiple radio access technologies where several low-power low-cost operators or user-deployed small-cell base stations (SBSs) complement the macrocell network. In this paper, we consider a two-tier HetNet where the SBSs are arranged around the edge of the reference macrocell such that the resultant configuration is referred to as cell-on-edge (COE). Each mobile user in a small cell is considered capable of adapting its uplink transmit power according to a location-based slow power control mechanism. The COE configuration is observed to increase the uplink area spectral efficiency (ASE) and energy efficiency while reducing the cochannel interference power. A moment-generating-function (MGF)-based approach has been exploited to derive the analytical bounds on the uplink ASE of the COE configuration. The derived expressions are generalized for any composite fading distribution, and closed-form expressions are presented for the generalized- K fading channels. Simulation results are included to support the analysis and to show the efficacy of the COE configuration. A comparative performance analysis is also provided to demonstrate the improvements in the performance of cell-edge users of the COE configuration compared with that of macro-only networks (MoNets) and other unplanned deployment strategies. © 2013 IEEE.

Original language	English (US)
Pages (from-to)	2306-2318
Number of pages	13
Journal	IEEE Transactions on Vehicular Technology
Volume	63
Issue number	5
DOIs	https://doi.org/10.1109/TVT.2013.2291816
State	Published - Jun 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was supported in part by the National Priorities Research Program under Grant NPRP 4-353-2-130 from the Qatar National Research Fund. This work was presented in part at the IEEE Workshop on Convergence among Heterogeneous Wireless Systems in Future Internet, Ottawa, ON, Canada, June 11-15, 2012, in conjunction with the 2012 IEEE International Conference on Communications. The review of this paper was coordinated by Prof. J.-Y. Chouinard.

ASJC Scopus subject areas

Automotive Engineering
Applied Mathematics
Computer Networks and Communications
Electrical and Electronic Engineering
Aerospace Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TVT.2013.2291816

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title = "Analytical bounds on the area spectral efficiency of uplink heterogeneous networks over generalized fading channels",

abstract = "Heterogeneous networks (HetNets) are envisioned to enable next-generation cellular networks by providing higher spectral and energy efficiency. A HetNet is typically composed of multiple radio access technologies where several low-power low-cost operators or user-deployed small-cell base stations (SBSs) complement the macrocell network. In this paper, we consider a two-tier HetNet where the SBSs are arranged around the edge of the reference macrocell such that the resultant configuration is referred to as cell-on-edge (COE). Each mobile user in a small cell is considered capable of adapting its uplink transmit power according to a location-based slow power control mechanism. The COE configuration is observed to increase the uplink area spectral efficiency (ASE) and energy efficiency while reducing the cochannel interference power. A moment-generating-function (MGF)-based approach has been exploited to derive the analytical bounds on the uplink ASE of the COE configuration. The derived expressions are generalized for any composite fading distribution, and closed-form expressions are presented for the generalized- K fading channels. Simulation results are included to support the analysis and to show the efficacy of the COE configuration. A comparative performance analysis is also provided to demonstrate the improvements in the performance of cell-edge users of the COE configuration compared with that of macro-only networks (MoNets) and other unplanned deployment strategies. {\textcopyright} 2013 IEEE.",

author = "Muhammad Shakir and Hina Tabassum and Mohamed-Slim Alouini",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This work was supported in part by the National Priorities Research Program under Grant NPRP 4-353-2-130 from the Qatar National Research Fund. This work was presented in part at the IEEE Workshop on Convergence among Heterogeneous Wireless Systems in Future Internet, Ottawa, ON, Canada, June 11-15, 2012, in conjunction with the 2012 IEEE International Conference on Communications. The review of this paper was coordinated by Prof. J.-Y. Chouinard.",

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AB - Heterogeneous networks (HetNets) are envisioned to enable next-generation cellular networks by providing higher spectral and energy efficiency. A HetNet is typically composed of multiple radio access technologies where several low-power low-cost operators or user-deployed small-cell base stations (SBSs) complement the macrocell network. In this paper, we consider a two-tier HetNet where the SBSs are arranged around the edge of the reference macrocell such that the resultant configuration is referred to as cell-on-edge (COE). Each mobile user in a small cell is considered capable of adapting its uplink transmit power according to a location-based slow power control mechanism. The COE configuration is observed to increase the uplink area spectral efficiency (ASE) and energy efficiency while reducing the cochannel interference power. A moment-generating-function (MGF)-based approach has been exploited to derive the analytical bounds on the uplink ASE of the COE configuration. The derived expressions are generalized for any composite fading distribution, and closed-form expressions are presented for the generalized- K fading channels. Simulation results are included to support the analysis and to show the efficacy of the COE configuration. A comparative performance analysis is also provided to demonstrate the improvements in the performance of cell-edge users of the COE configuration compared with that of macro-only networks (MoNets) and other unplanned deployment strategies. © 2013 IEEE.

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Analytical bounds on the area spectral efficiency of uplink heterogeneous networks over generalized fading channels

Abstract

Bibliographical note

ASJC Scopus subject areas

UN SDGs

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