Performance Comparison between Distributed Antenna and Microcellular Systems

Zhu, H. (2011) Performance Comparison between Distributed Antenna and Microcellular Systems. IEEE Journal on Selected Areas in Communications, 29 (6). pp. 1151-1163. ISSN 0733-8716. (The full text of this publication is not available from this repository)

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Official URL
http://dx.doi.org/10.1109/JSAC.2011.110604

Abstract

The microcellular system and distributed antenna system (DAS) are two promising systems for future high data rate wireless communications, since both systems can reduce the radio transmission distance between the transmitter and the receiver. This paper aims to compare the average spectrum efficiency and the cell edge spectrum efficiency between the two cellular systems in the downlink transmission. In order to achieve high spectrum efficiency, frequency reuse and/or spatial diversity are exploited in these two systems. The performances between the two cellular systems are theoretically compared in a network topology with seven macrocells, each of which has seven hexagonal sectors (or microcells). Moreover, the approach of antenna unit selection in the DAS for spatial diversity is presented. Numerical results show that the average spectrum efficiency per sector and the cell edge spectrum efficiency in the microcellular system are better than those in the DAS without frequency reuse. However, when the frequency reuse is considered in the DAS, the DAS outperforms the microcellular system in both of the average and cell edge spectrum efficiencies.

Item Type: Article
Uncontrolled keywords: Distributed antenna systems; spatial diversity; cellular systems; frequency reuse
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunications > TK5103.4 Broadband (inc wireless broadband)
Divisions: Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts > Broadband & Wireless Communications
Depositing User: J. Harries
Date Deposited: 17 Aug 2012 12:59
Last Modified: 28 Aug 2012 08:29
Resource URI: http://kar.kent.ac.uk/id/eprint/30183 (The current URI for this page, for reference purposes)
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