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Multiplexing efficiency of MIMO antennas with user effects

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Author

Summary, in English

Recently, the multiplexing efficiency metric is proposed for characterizing the MIMO performance of terminal antennas. Here, we show that it can also provide useful insights into the impact of user on MIMO terminal performance. In particular, the impact of user hand and head on the efficiency and correlation of a MIMO antenna can be conveniently quantified using the multiplexing efficiency metric. For example, we find that the hand introduces a 4 dB loss in total efficiency relative to the free space case, for a penta-band two-element MIMO terminal antenna operating at 750MHz. However, the multiplexing efficiency drops by only 2.4 dB, due to the de-correlation effect of the hand partly compensating the loss in total efficiency.

Publishing year

2012

Language

English

Publication/Series

IEEE International Symposium on Antennas and Propagation, 2012

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE Antennas and Propagation Society International Symposium, 2012

Conference date

2012-07-08 - 2012-07-14

Conference place

Chicago, Illinois, United States

Status

Published

Project

  • EIT_ANTCHN Antenna-Channel Harmonization for Throughput Enhancement in Advanced Mobile Terminals

Research group

  • Radio Systems
  • Electromagnetic theory