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Iterative decoding of space-time differentially coded unitary matrix modulation

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3 Author(s)
Steiner, A. ; Dept. of Electr. Eng., Israel Inst. of Technol., Haifa, Israel ; Peleg, M. ; Shamai, S.

Noncoherent communication over the Rayleigh flat fading channel with multiple transmit and receive antennas is investigated. Codes achieving bit error rate (BER) lower than 10-4 at bit energy over the noise spectral density ratio (Eb/N0) of 0.8 to 2.8 dB from the capacity limit were found with coding rates of 0.5 to 2.25 bits per channel use. The codes are serial concatenation of a turbo code and a unitary matrix differential modulation code. The receiver is based on a high-performance joint iterative decoding of the turbo code and the modulation code. Information-theoretic arguments are harnessed to form guidelines for code design and to evaluate performance of the iterative decoder.

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Signal Processing, IEEE Transactions on  (Volume:50 ,  Issue: 10 )