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 proceedingChapter in a book

2 Citations (Scopus)


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 languageEnglish
Title of host publicationSecond European Conference on Antennas and Propagation, 2007. EuCAP 2007
PublisherInstitution of Engineering and Technology (IET)
Pages1 - 5
ISBN (Print)9780863418426
Publication statusPublished - 11 Nov 2007

Publication series

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


  • coherence time
  • coherence bandwidth
  • MIMO antennas
  • spatial channels
  • eigenmodes


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