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Discrete-time Rayleigh-fading single-input single-output (SISO) and multiple-input multiple-output (MIMO) channels are considered, with no channel state information at the transmitter or the receiver. The fading is assumed to be stationary and correlated in time, but independent from antenna to antenna. Peak-power and average-power constraints are imposed on the transmit antennas. For MIMO channels,...
Flat-fading channels that are correlated in time are considered under peak and average power constraints. For discrete-time channels, a new upper bound on the capacity per unit time is derived. A low SNR analysis of a full-scattering vector channel is used to derive a complimentary lower bound. Together, these bounds allow us to identify the exact scaling of channel capacity for a fixed peak to average...
A discrete-time single-user channel with temporally correlated Rayleigh fading is considered. Neither the transmitter nor the receiver has channel side information (CSI), and both peak and average power constraints are placed on the inputs. Two lower bounds to the capacity are presented. One is motivated by the technique of decision feedback decoding. The other is related to the information rate with...
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