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Performance analysis for the use of adaptive beamforming in wireless packet networks

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2 Author(s)
F. Rashid-Farrokhi ; AT&T Bell Labs., Holmdel, NJ, USA ; K. J. R. Liu

We use the interference reduction capability of smart antennas to increase the throughput and reduce the delay in wireless packet networks. We provide a theoretical framework to calculate the throughput where we use adaptive arrays in slotted ALOHA and CDMA slotted ALOHA systems. We show that by deploying adaptive arrays at base stations, we can improve the throughput both in the request access and in the traffic channels. We also consider the effect of call admission at high traffic load. Finally, we propose an adaptive beamforming architecture for multi-code CDMA (MC-CDMA) and investigate the improvement in delay and throughput in those systems

Published in:

Global Telecommunications Conference, 1998. GLOBECOM 1998. The Bridge to Global Integration. IEEE  (Volume:1 )

Date of Conference:

1998