J. Strandell, M. Wennström, A. Rydberg, T. Öberg, O. Gladh, L. Rexberg, E. Sandberg, B. Andersson, Magnus Appelgren
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Experimental evaluation of an adaptive antenna for a TDMA mobile telephony system
Measurements (at 1.8 GHz) of an adaptive DCS-1800 base station antenna, used in uplink only, are presented and analysed. Both laboratory measurements and outdoor field trials have been performed. The antenna improves the C/I ratio more than 30 dB. Calculations using measured data, assuming downlink performance equal to that of the uplink, show a spectral efficiency gain of 6 over present base station systems.
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