Channel identifiability under orthogonal space-time coded modulations without training

Authors:
N. Ammar;Zhi Ding
Affiliations:
Dept. of Electr. & Comput. Eng., California Univ., CA, USA;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2006

Citing 0
Cited 4

Code combination for blind channel estimation in general MIMO-STBC systems

EURASIP Journal on Advances in Signal Processing
Blind MIMO using the golden code

Asilomar'09 Proceedings of the 43rd Asilomar conference on Signals, systems and computers
A linear fractional semidefinite relaxation approach to maximum-likelihood detection of higher-order QAM OSTBC in unknown channels

IEEE Transactions on Signal Processing
A linear programming receiver for blind detection of full rate space-time block codes

IEEE Transactions on Signal Processing

Quantified Score

Hi-index	0.01

Visualization

Abstract

Space-time block coded (STBC) transmission has been established as an efficient tool to enhance communication performance over wireless fading channels. The success of STBC decoding relies on accurate channel knowledge at receivers. In this work, we present a channel estimation approach that does not require training data to estimate unknown channels. Focusing on STBC from orthogonal designs, we present channel identification conditions that are largely verifiable in terms of the code and the antenna array configuration. We also develop a simple subspace-based algorithm to identify the unknown space-time channel matrix for complex transmission. Finally, we present simulation test results to illustrate the performance of the proposed method.