On fast-decodable space-time block codes
IEEE Transactions on Information Theory
IEEE Transactions on Signal Processing
IEEE Transactions on Information Theory
Diversity and multiplexing: a fundamental tradeoff in multiple-antenna channels
IEEE Transactions on Information Theory
The golden code: a 2×2 full-rate space-time code with nonvanishing determinants
IEEE Transactions on Information Theory
An optimal two transmit antenna space-time code and its stacked extensions
IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
Efficient soft-output demodulators for the golden code
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
The Asymmetric Golden Code for Fast Decoding on Time-Varying Channels
Wireless Personal Communications: An International Journal
Performance evaluation of 2×2 space-time block coded OFDM systems under time-varying fading channels
ICHIT'11 Proceedings of the 5th international conference on Convergence and hybrid information technology
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Because each golden code codeword conveys four information symbols from an M-ary QAM alphabet, the complexity of an exhaustive-search decoder is proportional to M4. In this paper we prove that the golden code is fast-decodable, meaning that maximum-likelihood decoding is possible with a worst-case complexity proportional to only M2.5. The golden code retains its fast-decodable property regardless of whether the channel varies with time. We also present an efficient implementation of a fast maximum-likelihood decoder that exhibits a low average complexity.