Dynamics of spatial eigen modes in measured MIMO channels with different antenna modules

MA Beach; RMM Hunukumbure; MW Webb

Dynamics of spatial eigen modes in measured MIMO channels with different antenna modules

MA Beach, RMM Hunukumbure, MW Webb

Research output: Chapter in Book/Report/Conference proceeding › Chapter in a book

2 Citations (Scopus)

Abstract

This paper presents results from an extensive MIMO field trial campaign aimed at comparing the eigen mode dynamics of three alternative user devices when deployed in realistic operating scenarios. Two novel parameters, the eigen coherence time and eigen coherence bandwidth, are introduced and the differences amongst the candidate antenna systems examined. The greater azimuth coverage of the reference dipole antennas is shown to induce lower coherence times and bandwidths, when compared to the antenna embedded within the laptop and PDA devices. An inverse power relationship between the eigen coherence bandwidth and r.m.s. delay spread and its dual is also investigated

Original language	English
Title of host publication	Second European Conference on Antennas and Propagation, 2007. EuCAP 2007
Publisher	Institution of Engineering and Technology (IET)
Pages	1 - 5
Volume	1
ISBN (Print)	9780863418426
Publication status	Published - 11 Nov 2007

Publication series

Name
ISSN (Print)	05379989

Bibliographical note

Sponsorship: This project was conducted under the Mobile VCE elective program and jointly funded by Nortel, Toshiba, Fujitsu, BT and Samsung. The authors would like to thank the partners
for their financial backing and their numerous technical contributions to this project

Keywords

coherence time
coherence bandwidth
MIMO antennas
spatial channels
eigenmodes

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abstract = "This paper presents results from an extensive MIMO field trial campaign aimed at comparing the eigen mode dynamics of three alternative user devices when deployed in realistic operating scenarios. Two novel parameters, the eigen coherence time and eigen coherence bandwidth, are introduced and the differences amongst the candidate antenna systems examined. The greater azimuth coverage of the reference dipole antennas is shown to induce lower coherence times and bandwidths, when compared to the antenna embedded within the laptop and PDA devices. An inverse power relationship between the eigen coherence bandwidth and r.m.s. delay spread and its dual is also investigated",

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AU - Hunukumbure, RMM

AU - Webb, MW

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N2 - This paper presents results from an extensive MIMO field trial campaign aimed at comparing the eigen mode dynamics of three alternative user devices when deployed in realistic operating scenarios. Two novel parameters, the eigen coherence time and eigen coherence bandwidth, are introduced and the differences amongst the candidate antenna systems examined. The greater azimuth coverage of the reference dipole antennas is shown to induce lower coherence times and bandwidths, when compared to the antenna embedded within the laptop and PDA devices. An inverse power relationship between the eigen coherence bandwidth and r.m.s. delay spread and its dual is also investigated

AB - This paper presents results from an extensive MIMO field trial campaign aimed at comparing the eigen mode dynamics of three alternative user devices when deployed in realistic operating scenarios. Two novel parameters, the eigen coherence time and eigen coherence bandwidth, are introduced and the differences amongst the candidate antenna systems examined. The greater azimuth coverage of the reference dipole antennas is shown to induce lower coherence times and bandwidths, when compared to the antenna embedded within the laptop and PDA devices. An inverse power relationship between the eigen coherence bandwidth and r.m.s. delay spread and its dual is also investigated

KW - coherence time

KW - coherence bandwidth

KW - MIMO antennas

KW - spatial channels

KW - eigenmodes

M3 - Chapter in a book

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PB - Institution of Engineering and Technology (IET)

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