The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays

The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays

We analyze the destructive effects of mutual coupling and spatial correlation between the separate antenna elements on a combined diversity system consisting of multiple HAPs (High-Altitude Platforms) employing various compact MIMO (Multiple-Input Multiple-Output) antenna array configurations, in or...

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Main Authors: Tommy Hult, Abbas Mohammed
Format: Article
Language:English
Published: Hindawi Limited 2010-01-01
Series:International Journal of Antennas and Propagation
Online Access:http://dx.doi.org/10.1155/2010/492915
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spelling doaj-0059b4f3bcf045529031643eccb172222020-11-24T21:17:04ZengHindawi LimitedInternational Journal of Antennas and Propagation1687-58691687-58772010-01-01201010.1155/2010/492915492915The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna ArraysTommy Hult0Abbas Mohammed1Department of Electrical and Information Technology, Lund University, 22100 Lund, SwedenDepartment of Signal Processing, School of Engineering, Blekinge Institute of Technology, 37225 Ronneby, SwedenWe analyze the destructive effects of mutual coupling and spatial correlation between the separate antenna elements on a combined diversity system consisting of multiple HAPs (High-Altitude Platforms) employing various compact MIMO (Multiple-Input Multiple-Output) antenna array configurations, in order to enhance the mutual information in HAP communication links. In addition, we assess the influence of the separation angle between HAPs on system performance, and determine the optimal separation angles that maximize the total mutual information of the system for various compact MIMO antennas. Simulation results show that although the mutual information is degraded by mutual coupling and spatial correlation, the proposed HAP diversity system still provides better performance compared to a nondiversity system for all tested scenarios.http://dx.doi.org/10.1155/2010/492915
collection DOAJ
language English
format Article
sources DOAJ
author Tommy Hult
Abbas Mohammed
spellingShingle Tommy Hult
Abbas Mohammed
The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
International Journal of Antennas and Propagation
author_facet Tommy Hult
Abbas Mohammed
author_sort Tommy Hult
title The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
title_short The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
title_full The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
title_fullStr The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
title_full_unstemmed The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
title_sort effect of mutual coupling on a high altitude platform diversity system using compact antenna arrays
publisher Hindawi Limited
series International Journal of Antennas and Propagation
issn 1687-5869
1687-5877
publishDate 2010-01-01
description We analyze the destructive effects of mutual coupling and spatial correlation between the separate antenna elements on a combined diversity system consisting of multiple HAPs (High-Altitude Platforms) employing various compact MIMO (Multiple-Input Multiple-Output) antenna array configurations, in order to enhance the mutual information in HAP communication links. In addition, we assess the influence of the separation angle between HAPs on system performance, and determine the optimal separation angles that maximize the total mutual information of the system for various compact MIMO antennas. Simulation results show that although the mutual information is degraded by mutual coupling and spatial correlation, the proposed HAP diversity system still provides better performance compared to a nondiversity system for all tested scenarios.
url http://dx.doi.org/10.1155/2010/492915
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