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Coupling element-based dual-antenna structures for mobile terminal with hand effects

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Main Authors: Abdullah Al-Hadi, Azremi, Ilvonen, Janne, Valkonen, Risto, Holopainen, Jari, Kivekäs, Outi, Icheln, Clemens
Format: Article
Language:English
Published: Springerlink 2011
Subjects:
Coupling element-based antenna
Dual-antenna structures
FDTD method
Hand effect
Multi-antenna system
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13967
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spelling my.unimap-139672011-09-30T12:15:29Z Coupling element-based dual-antenna structures for mobile terminal with hand effects Abdullah Al-Hadi, Azremi Ilvonen, Janne Valkonen, Risto Holopainen, Jari Kivekäs, Outi Icheln, Clemens Coupling element-based antenna Dual-antenna structures FDTD method Hand effect Multi-antenna system Link at publisher's homepage at http://www.springerlink.com/ This paper presents a comprehensive simulation study on the performance of coupling element-based dual-antenna structures on a mobile terminal at the 2,000 MHz Universal Mobile Telecommunications System (UMTS) frequency band with varying two significant hand effects; vertical position of hand along terminal chassis, and distance between hand palm and terminal chassis. The results reveal that in uniformly distributed isotropic environment, there exists a gain imbalance between antenna elements due to hand effects and it is shown that a gain imbalance of 3.7 dB lead to a reduction of 1.9 dB in diversity gain at 99% reliability level using maximal ratio combining (MRC) technique. For a dual-antenna configuration, the impact of gain imbalance on diversity gain is more significant when only one antenna element is in close proximity to the hand, compared to when both antenna elements are in the presence of the hand. It is also shown that a dual-antenna structure with elements vertically oriented along the edges of a small 100 mm × 40 mm mobile terminal chassis achieves better performance in port-to-port isolation, gain imbalance and diversity gain compared to other studied dual-antenna configurations when the user's hand is present. 2011-09-30T12:15:29Z 2011-09-30T12:15:29Z 2011-09 Article International Journal of Wireless Information Networks, vol. 18(3), 2011, pages 146-157 1068-9605 http://www.springerlink.com/content/3q40l68p650711kx/ http://hdl.handle.net/123456789/13967 en Springerlink
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Coupling element-based antenna
Dual-antenna structures
FDTD method
Hand effect
Multi-antenna system
spellingShingle Coupling element-based antenna
Dual-antenna structures
FDTD method
Hand effect
Multi-antenna system
Abdullah Al-Hadi, Azremi
Ilvonen, Janne
Valkonen, Risto
Holopainen, Jari
Kivekäs, Outi
Icheln, Clemens
Coupling element-based dual-antenna structures for mobile terminal with hand effects
description Link at publisher's homepage at http://www.springerlink.com/
format Article
author Abdullah Al-Hadi, Azremi
Ilvonen, Janne
Valkonen, Risto
Holopainen, Jari
Kivekäs, Outi
Icheln, Clemens
author_facet Abdullah Al-Hadi, Azremi
Ilvonen, Janne
Valkonen, Risto
Holopainen, Jari
Kivekäs, Outi
Icheln, Clemens
author_sort Abdullah Al-Hadi, Azremi
title Coupling element-based dual-antenna structures for mobile terminal with hand effects
title_short Coupling element-based dual-antenna structures for mobile terminal with hand effects
title_full Coupling element-based dual-antenna structures for mobile terminal with hand effects
title_fullStr Coupling element-based dual-antenna structures for mobile terminal with hand effects
title_full_unstemmed Coupling element-based dual-antenna structures for mobile terminal with hand effects
title_sort coupling element-based dual-antenna structures for mobile terminal with hand effects
publisher Springerlink
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13967
_version_ 1643790827581865984
score 13.214268

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