Understanding digital subscriber line technology
Understanding digital subscriber line technology
MIMO antenna subset selection with space-time coding
IEEE Transactions on Signal Processing
Space-time block codes from orthogonal designs
IEEE Transactions on Information Theory
Opportunistic beamforming using dumb antennas
IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
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In this paper, we explore spatial vs. multi-user diversity trade-offs in a cellular system with or without bandwidth restrictions in the feedback channel. More precisely, we are interested in assessing the impact of both antenna selection and space-time coding strategies in such a multi-user system. The centralized scheduler makes an extensive use of physical layer measures and, hence, this constitutes a cross-layer design. Performance assessment is conducted both analytically and by means of computer simulations, in terms of pdf and CDF distributions, average system capacity and throughput. Closed-form expressions are derived for the SNR densities associated to the different transmission configurations along with an approximate expression for system throughput.