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Adaptive antennas at the mobile and base stations in an OFDM/TDMA system

Wong, KK; Cheng, RSK; (2001) Adaptive antennas at the mobile and base stations in an OFDM/TDMA system. IEEE Transactions on Communications , 49 (1) pp. 195-206. 10.1109/26.898262. Green open access

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Abstract

In recent years, several smart antenna systems have been proposed and demonstrated at the base station (BS) of wire-less communications systems, and these have shown that significant system performance improvement is possible. In this paper, we consider the use of adaptive antennas at the BS and mobile stations (MS), operating jointly, in combination with orthogonal frequency-division multiplexing. The advantages of the proposed system includes reductions in average error probability and increases in capacity compared to conventional systems. Multiuser access, in space, time, and through subcarriers, is also possible and expressions for the exact joint optimal antenna weights at the BS and MS under cochannel interference conditions for fading channels are derived. To demonstrate the potential of our proposed system, analytical along with Monte Carlo simulation results are provided.

Type: Article
Title: Adaptive antennas at the mobile and base stations in an OFDM/TDMA system
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/26.898262
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/13261
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