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Signal Reception for Space-Time Differentially Encoded Transmissions over FIR Rich Multipath Channels
EURASIP Journal on Advances in Signal Processing volume 2004, Article number: 403526 (2004)
Abstract
With sophisticated signal and information processing algorithms, air interfaces with space-time (ST) coding and multiple reception antennas substantially improve the reliability of wireless links. This paper proposes a new receiver algorithm for differential ST coded transmissions over the finite-impulse-response (FIR) rich multipath fading channels. The symbol detection introduced in this paper is a deterministic subspace-based approach in a multiple-input and multiple-output (MIMO) system framework. The receiver (i) operates in a blind fashion without estimating the channel or its inverse and (ii) is able to work with a small number of signal samples and hence can be applied in the quasistatic channels. The proposed scheme employs multiple antennas at both sides of the transceiver and exploits both the antenna diversity and the multiple constant modulus (MCM) characteristics of the signaling. The receiver is able to blindly mitigate the intersymbol interference (ISI) in a rich multipath propagation environment, and this has been verified through the extensive Monte Carlo simulations.
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Zhang, Z., Ilow, J. Signal Reception for Space-Time Differentially Encoded Transmissions over FIR Rich Multipath Channels. EURASIP J. Adv. Signal Process. 2004, 403526 (2004). https://doi.org/10.1155/S1110865704312229
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DOI: https://doi.org/10.1155/S1110865704312229