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An orthogonal space-time coded CPM system with fast decoding for two transmit antennas

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2 Author(s)
Genyuan Wang ; Dept. of Electr. & Comput. Eng., Univ. of Delaware, Newark, DE, USA ; Xiang-Gen Xia

Trellis-coded space-time (TC-ST) coding for continuous-phase modulation (TC-ST-CPM) was recently proposed by Zhang and Fitz. In this paper, we propose an orthogonal space-time coding for CPM (OST-CPM) systems and two transmit antennas. In the proposed OST-CPM, signals from two transmit antennas at any time t are orthogonal while both of them have continuous phases. Similar to Alamouti's OST coding for phase-shift keying (PSK) and quadrature amplitude modulation (QAM) systems, the newly proposed OST-CPM has a fast decoding algorithm.

Published in:

IEEE Transactions on Information Theory  (Volume:50 ,  Issue: 3 )