Effect of antenna polarization diversity on MIMO system capacity

Pei Yuan Qin*, Y. Jay Guo, Chang Hong Liang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

90 Citations (Scopus)


The effect of circular polarization diversity on the capacity of a multiple-inputmultiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system is investigated based on channel measurements. In this letter, polarization reconfigurable U-slot antennas are incorporated in a 2×2 MIMO-OFDM demonstrator, and the channel measurements are conducted in both line-of-sight (LOS) and non-LoS (NLOS) indoor environments. Measured results show that transmit/receive antennas radiating different polarizations are able to improve the system capacity significantly compared to antennas with the same polarization in a LOS scenario, while the extent of the improvement is reduced in a NLOS scenario. Furthermore, the factors that can affect the system capacity in both scenarios are analyzed.

Original languageEnglish
Article number5638598
Pages (from-to)1092-1095
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Publication statusPublished - 2010


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