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Investigation of TDD and FDD CDMA coexistence in the macro environment employing smart antenna techniques

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3 Author(s)
Peng, M. ; Center for Wireless Commun., Beijing Univ. of Posts & Telecommun., China ; Biao Huang ; Wenbo Wang

This paper investigates the impact of adjacent channel interference between TDD and FDD CDMA operators operating in macro environment. In the TDD-CDMA system, the smart antenna technique is employed and the performance is investigated and compared with the omni-directional antenna. Evaluation of TDD/FDD CDMA system coexistence is studied based on a static simulator. Intersystem interference impacts the capacity under various ACIRs (adjacent channel Interference ratios), the base station location offsets, and the cell radiuses are studied. Furthermore, the differences in impacting the capacity loss between the omni-directional and smart antennas are compared and analyzed. Results and conclusions are shown, which are useful for future CDMA cellular planning and frequency license allocation in 2 GHz.

Published in:

Communications, 2004 and the 5th International Symposium on Multi-Dimensional Mobile Communications Proceedings. The 2004 Joint Conference of the 10th Asia-Pacific Conference on  (Volume:1 )

Date of Conference:

29 Aug.-1 Sept. 2004