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Switched Diversity for Mobile FM Broadcast Reception
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English
Abstract
A simple two-antenna, switched diversity system has been developed to reduce multipath interference in car stereo reception. Conventional car antennas are used and no circuit modifications are required in many current receivers. The use of frequency-selective fading for the primary control of switching greatly speeds the decision process and the audible transients usually associated with switched diversity are minimized. Performance is enhanced by incorporating sequential sampling to select the lesser disturbed antenna when both are simultaneously corrupted. The reception improvement generally accords with predictions based on typical fading statistics and is very substantial in many multipath conditions.
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Citation
Rambo, W., "Switched Diversity for Mobile FM Broadcast Reception," SAE Technical Paper 840277, 1984, https://doi.org/10.4271/840277.Also In
References
- Jakes, W. C. Jr. Microwave Mobile Communications John Wiley & Sons, 1974 by Bell Telephone Labs., Inc.
- Finger Robert A. Torick Emil FM Receivers in Automobiles: A Case for Diversity Reception IEEE Transactions on Consumer Electronics CE-27 51 62 February 1981
- Parsons J.D. Henze Miguel Ratliff P.A. Withers Michael J. Diversity Techniques for Mobile Radio Reception IEEE Transactions on Vehicular Technology VT-25 3 75 85 August 1976
- Takeda S. Shibata J. Shimakata M. Aizawa K. FM Multipath Distortion in Automobiles Has Been Significantly Reduced by a New Antenna System IEEE Transactions on Consumer Electronics CE-26 263 269 August 1980