EURASIP Journal on Wireless Communications and Networking
End-to-end performance of transmission systems with relays over Rayleigh-fading channels
IEEE Transactions on Wireless Communications
Space-time block codes from orthogonal designs
IEEE Transactions on Information Theory
Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks
IEEE Transactions on Information Theory
Cooperative diversity in wireless networks: Efficient protocols and outage behavior
IEEE Transactions on Information Theory
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This paper mainly investigates the performance of cooperative communication systems over dissimilar Nakagami-q (Hoyt) and Nakagami-m fading channels. Its relaying protocol selects these relays successfully regenerating the received signals to cooperatively forward the signals through orthogonal channels. The destination finally demodulates the messaged received in both phases exploiting Maximal-Ratio Combining (MRC) technique. Closed-form Symbol Error Rate (SER) expressions for repetition-based relaying protocol and space-time-code-based protocol are elaborated, respectively. Numerical result comparisons between the repetition-based protocol and the space-time-code-based protocol evidently indicate that, given the same spectral efficiency, the latter can provide better performance in terms of SER.