TCOM
2008
13 years 4 months ago
2008
A new exact explicit expression is derived for the ergodic capacity of maximal ratio combining (MRC) schemes over arbitrarily correlated Rician fading channels. This is used to stu...
TCOM
2008
13 years 4 months ago
2008
The constellation design for differential space-time modulation usually requires to construct L (constellation size) unitary matrices making the design complexity increasing rapidl...
TCOM
2008
13 years 4 months ago
2008
Iterative turbo processing between detection and decoding shows near-capacity performance on a multiple-antenna system. Combining iterative processing with optimum frontend detecti...
TCOM
2008
13 years 4 months ago
2008
The study of Joint Source-Channel Coding (JSCC) systems faces one major challenge in obtaining an analytical expression for the function that links end-to-end distortion with chann...
TCOM
2008
13 years 4 months ago
2008
This paper describes a transformation technique aimed at solving the peak-to-average power ratio (PAPR) problem associated with OFDM (orthogonal frequency-division multiplexing). C...
TCOM
2008
13 years 4 months ago
2008
Theories of shaping for lattice codes have been developed for systems (optical or non-optical) using coherent detection with additive white Gaussian noise (AWGN) and for direct-det...
TCOM
2008
13 years 4 months ago
2008
Abstract-- Input-queued cell switches employing the oldestcell-first (OCF) policy have been shown to yield low mean delay characteristics. Moreover, it has been proven that OCF is ...
TCOM
2008
13 years 4 months ago
2008
Importance sampling is used in this paper to address the classical yet important problem of performance estimation of block codes. Simulation distributions that comprise discretean...
TCOM
2008
13 years 4 months ago
2008
We consider cross-layer adaptive transmission for a single-user system with stochastic data traffic and a timevarying wireless channel. The objective is to vary the transmit power ...
TCOM
2008
13 years 4 months ago
2008
Abstract--The aim of this paper is to study the impact of channel state information on the design of cooperative transmission protocols. This is motivated by the fact that the perf...