Application of smart antenna techniques in cellular mobile systems

TitleApplication of smart antenna techniques in cellular mobile systems
Publication TypeConference Paper
Year of Publication1997
AuthorsJiang, Y., and V. K. Bhargava
Conference NameCommunications, Computers and Signal Processing, 1997. '10 Years PACRim 1987-1997 - Networking the Pacific Rim'. 1997 IEEE Pacific Rim Conference on
Pagination362 -365 vol.1
Date Publishedaug.
Keywordsadaptive antenna arrays, adaptive multi-beam antennas, base-stations, cellular mobile radio, cellular radio, co-channel interference, co-channel reuse factors, cochannel interference, fading model, interference suppression, land mobile radio, multi-beam antennas, multibeam antennas, outage probability, radio spectrum management, radiofrequency interference, shadowing model, smart antenna techniques, spectrum efficiency, switched-beam smart antenna

The proliferating demand for cellular mobile radio services, and the relatively scarce resource of frequency spectrum provide the need for a fundamental improvement in spectrum efficiency of the new generation cellular mobile radio systems. The switched-beam smart antenna is more attractive when compared to the adaptive null steering, phased array smart antennas. In this paper, a theoretical approach is adopted to ascertain the performance improvement of multi-beam antennas, in which the fading and shadowing models are included. Numerical results of the outage probability under different values of protection ratios and co-channel reuse factors are provided. It is shown that a marked improvement in spectrum efficiency is achieved by reducing the co-channel interference level with adaptive multi-beam antennas employed at the base-stations


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