NDLI: Capacity and trunking efficiency of smart antenna

Content Provider	IEEE Xplore Digital Library
Author	Lee, D.J.Y. Ce Xu
Copyright Year	1997
Description	Author affiliation: AirTouch Commun. Inc., USA (Lee, D.J.Y.)
Abstract	The smart antenna is believed to be the solution for a high capacity system. It improves both C/I ratio and trunk efficiency. In this paper, we use a computer simulation to compare the capacity among omni, 3-sector, Lee's micro cell, 6 sector and a 12-antenna switched beam smart antenna. First, the C/I ratios under different pathless exponent and reuse factor are compared within these systems. Then, the trunking efficiencies among these systems are also compared. As the result shows, the smart antenna does support a reasonably good C/I ratio, and the highest trunking efficiency. This simulator is also enhanced to calculate the path loss exponent for specific design areas based on the collected measured data. This path loss exponent then can be used as input to the simulator to simulate the C/I and frequency reuse factor for the area. Measured data were collected in LA. Path loss exponents were calculated using Lee's propagation model. Based on the calculated path loss exponent and the simulator, in a dense urban area, the smart antenna system can support a k=3 reuse scheme.
Starting Page	612
Ending Page	616
File Size	376665
Page Count	5
File Format	PDF
ISBN	0780336593
ISSN	10903038
DOI	10.1109/VETEC.1997.600401
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency Computer simulation Antenna measurements Loss measurement Antennas and propagation Switches Fading Area measurement Propagation losses Urban areas
Content Type	Text
Resource Type	Article

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