On closely coupled dipoles with load matching in a random field

Buon Kiong Lau, Jørgen Bach Andersen

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingResearchpeer-review

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Abstract

MIMO is a wireless communication technology that is growing in popularity due to its ability to deliver significant improvements over conventional systems. However, some applications require antennas to be closely spaced, which results in strong coupling among the antennas and performance degradation. Here we show that in a random field, load impedance can play an important role in the power, correlation and capacity performance of MIMO systems. While a good choice of load impedance can alleviate the loss of power and correlation performance, capacity performance is less sensitive to load variation. Moreover, the phase component of open circuit correlation has been found to have a significant influence on MIMO performance, indicating that important information is lost if it is neglected. A comparison between the performance metrics over different load impedances indicates that capacity depends largely on received power and not correlation
Original languageEnglish
Title of host publication2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No. 06TH8881)
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
Number of pages5
ISBN (Print)1-4244-0329-4
DOIs
Publication statusPublished - 2006
EventIEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, 2006 - Helsinki, Finland
Duration: 2006 Sep 112006 Sep 14

Conference

ConferenceIEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, 2006
Abbreviated titlePIMRC
Country/TerritoryFinland
CityHelsinki
Period2006/09/112006/09/14

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • antennas
  • open circuit correlation
  • load impedance
  • load matching
  • random field
  • coupled dipoles
  • MIMO
  • wireless communication technology

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