Transmit antenna diversity for wireless communications
- 19 November 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 3, 1500-1504 vol.3
- https://doi.org/10.1109/icc.1995.524452
Abstract
Increased demand for wireless communications in the workplace and for cellular communications has revitalized the concept of spaced antenna diversity. Both transmit and receive diversity are being explored to increase the capacity and improve the performance of wireless communication systems. Transmit diversity is the focus of the present paper. Multiple antennas transmit amplitude and phase weighted signals to a single antenna for each user. Fading coefficients were assumed to vary at a slow enough rate so that reliable estimates can be obtained at the transmitter. Transmitter weights are derived to maximize the signal to interference noise ratio (SINR) at the output of the matched filter based receiver for each user.Keywords
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