A view on full-diversity modulus-preserving rate-one linear space-time block codes
Signal Processing - Special section: Advances in signal processing-assisted cross-layer designs
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Distributed space-time codes: relays delays and code word overlays
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Real-valued maximum likelihood decoder for quasi-orthogonal space-time block codes
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On the design of delay-tolerant distributed space-time codes with minimum length
IEEE Transactions on Wireless Communications
Code rate-diversity-multiplexing tradeoff
IEEE Transactions on Information Theory
Asymptotic-information-lossless designs and the diversity-multiplexing tradeoff
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Algebraic number precoding for space-time block codes
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WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
The Aladdin-Pythagoras space-time code
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Multilayer space-time error correcting codes
ISWCS'09 Proceedings of the 6th international conference on Symposium on Wireless Communication Systems
A novel maximum likelihood decoding algorithm for orthogonal space-time block codes
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GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Embedded orthogonal space-time codes for high rate and low decoding complexity
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Performance gain of space-time-frequency concatenated LDPC codes
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
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Multi-strata codes: space-time block codes with low detection complexity
IEEE Transactions on Communications
Delay-tolerant decode-and-forward based cooperative communication over Ricean channels
IEEE Transactions on Wireless Communications
Iterative sphere detectors based on the schnorr-euchner enumeration
IEEE Transactions on Wireless Communications
IEEE Transactions on Communications
IEEE Transactions on Information Theory
Coded modulation with mismatched CSIT over MIMO block-fading channels
IEEE Transactions on Information Theory
MIMO systems based on modulation diversity
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Full-diversity space-time error correcting codes with low-complexity receivers
EURASIP Journal on Wireless Communications and Networking
Tensor space-time (TST) coding for MIMO wireless communication systems
Signal Processing
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A universal framework is developed for constructing full-rate and full-diversity coherent space-time codes for systems with arbitrary numbers of transmit and receive antennas. The proposed framework combines space-time layering concepts with algebraic component codes optimized for single-input-single-output (SISO) channels. Each component code is assigned to a "thread" in the space-time matrix, allowing it thus full access to the channel spatial diversity in the absence of the other threads. Diophantine approximation theory is then used in order to make the different threads "transparent" to each other. Within this framework, a special class of signals which uses algebraic number-theoretic constellations as component codes is thoroughly investigated. The lattice structure of the proposed number-theoretic codes along with their minimal delay allow for polynomial complexity maximum-likelihood (ML) decoding using algorithms from lattice theory. Combining the design framework with the Cayley transform allows to construct full diversity differential and noncoherent space-time codes. The proposed framework subsumes many of the existing codes in the literature, extends naturally to time-selective and frequency-selective channels, and allows for more flexibility in the tradeoff between power efficiency, bandwidth efficiency, and receiver complexity. Simulation results that demonstrate the significant gains offered by the proposed codes are presented in certain representative scenarios.