Referenced Items are not available for this document.
The effect of circular polarization diversity on the capacity of a multiple-input-multiple-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 22 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.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:9
)
Date of Publication: 2010
- Page(s):
- 1092 - 1095
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 11675156
- Digital Object Identifier :
- 10.1109/LAWP.2010.2093116
- Product Type:
- Journals & Magazines
- Date of Publication :
- 18 November 2010
- Date of Current Version :
- 03 December 2010
- Issue Date :
- 2010
- Sponsored by :
- IEEE Antennas and Propagation Society
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