Elements of information theory
Elements of information theory
Principles of mobile communication (2nd ed.)
Principles of mobile communication (2nd ed.)
Fundamentals of wireless communication
Fundamentals of wireless communication
Affine precoders for reliable communications
ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 05
On the sensitivity of noncoherent capacity to the channel model
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 4
IEEE Transactions on Signal Processing
On the capacity of frequency- selective channels in training-based transmission schemes
IEEE Transactions on Signal Processing
Optimal training for block transmissions over doubly selective wireless fading channels
IEEE Transactions on Signal Processing
Capacity of a mobile multiple-antenna communication link in Rayleigh flat fading
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
How much training is needed in multiple-antenna wireless links?
IEEE Transactions on Information Theory
Capacity bounds via duality with applications to multiple-antenna systems on flat-fading channels
IEEE Transactions on Information Theory
Gaussian codes and weighted nearest neighbor decoding in fading multiple-antenna channels
IEEE Transactions on Information Theory
Orthogonal time-frequency signaling over doubly dispersive channels
IEEE Transactions on Information Theory
Capacity of noncoherent time-selective Rayleigh-fading channels
IEEE Transactions on Information Theory
On the asymptotic capacity of stationary Gaussian fading channels
IEEE Transactions on Information Theory
Degrees of freedom in some underspread MIMO fading channels
IEEE Transactions on Information Theory
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In this paper, we consider noncoherent single-antenna communication over doubly selective block-fading channels with discrete block-fading interval N. In our noncoherent setup, neither the transmitter nor the receiver know the channel fading coefficients, though both know the channel statistics. In particular, we consider discrete-time channels whose impulse-response trajectories obey a complex-exponential basis expansion model with uncorrelated coefficients, and we show that such a model holds in the limit N → ∞ for pulse-shaped transmission/reception over certain wide-sense stationary uncorrelated scattering channels. First, we show that, when the inputs are chosen from continuous distributions, the channel's multiplexing gain (i.e., capacity pre-log factor) equals max(0, 1 - Ndelay NDopp/N), for discrete delay spread Ndelay and discrete Doppler spread NDopp. Next, for the case of strictly doubly selective fading (i.e., NDopp 1 and Ndelay 1), we establish that, for cyclic-prefixed affine pilot-aided transmission (PAT) schemes designed to minimize the mean-squared error (MSE) attained by pilot-aided minimum-MSE channel estimation, the pre-log factor of the achievable rate is less than the channel's multiplexing gain. We then provide guidelines for the design of PAT schemes whose achievable-rate pre-log factor equals the channel's multiplexing gain and construct an example.