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TCOM
2008
104views more  TCOM 2008»
13 years 11 months ago
Capacity of MRC on Correlated Rician Fading Channels
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...
Khairi Ashour Hamdi
TCOM
2008
68views more  TCOM 2008»
13 years 11 months ago
MPSK modulated constellation design for differential space-time modulation
The constellation design for differential space-time modulation usually requires to construct L (constellation size) unitary matrices making the design complexity increasing rapidl...
Qinghua Shi, Q. T. Zhang
TCOM
2008
127views more  TCOM 2008»
13 years 11 months ago
Low complexity affine MMSE detector for iterative detection-decoding MIMO OFDM systems
Iterative turbo processing between detection and decoding shows near-capacity performance on a multiple-antenna system. Combining iterative processing with optimum frontend detecti...
Daniel N. Liu, Michael P. Fitz
TCOM
2008
83views more  TCOM 2008»
13 years 11 months ago
Toward a unified framework for modeling and analysis of diversity in joint source-channel coding
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...
Andres Kwasinski, K. J. Ray Liu
TCOM
2008
117views more  TCOM 2008»
13 years 11 months ago
Constant Envelope OFDM
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...
Steve C. Thompson, Ahsen U. Ahmed, John G. Proakis...
TCOM
2008
66views more  TCOM 2008»
13 years 11 months ago
Lattice codes for amplified direct-detection optical systems
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...
Wei Mao, Joseph M. Kahn
TCOM
2008
74views more  TCOM 2008»
13 years 11 months ago
Stability of a frame-based oldest-cell-first maximal weight matching algorithm
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 ...
Xike Li, Itamar Elhanany
TCOM
2008
75views more  TCOM 2008»
13 years 11 months ago
Fast performance estimation of block codes
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...
Rajan Srinivasan, Nuo Wang
TCOM
2008
110views more  TCOM 2008»
13 years 11 months ago
Cross-layer Adaptive Transmission: Optimal Strategies in Fading Channels
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 ...
Anh Tuan Hoang, Mehul Motani
TCOM
2008
91views more  TCOM 2008»
13 years 11 months ago
On the Performance of Opportunistic Cooperative Wireless Networks
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...
Zhiguo Ding, Yu Gong, Tharmalingam Ratnarajah, C. ...