efficient encoding and decoding. It is further shown that for a fixed total power consumed in the network, the optimal power allocation is that the transmitter uses half the power and the relays share the other half fairly. The designed codes have high diversity products, lend themselves to a fast maximum-likelihood decoding algorithm, and simulation results show that they outperform other existing codes, especially at high SNR. Double-Differential Orthogonal Space-Time Block Codes for Arbitrarily Correlated Rayleigh Channels with Carrier Offsets. On the Algebraic Structure of the Silver Code: a 2 2 Perfect Space-Time Block Code. Optimum Efficiently Decodable Layered Space-Time Block Codes. Exact BER Expression for Alamouti Scheme with Joint Transmit and Receive Antenna Selection 3-Time-Slot Group-Decodable stbc with Full Rate and Full Diversity Single and Multiple Antennas Alamouti Receivers for the Reception of Real-Valued Signals Corrupted by Interferences The Alamouti saic/maic Concept Performance Analysis of mimo. In differential unitary space-time modulation, fully diverse constellations,.e., sets of unitary matrices whose pairwise differences are non-singular, are wanted for their good pairwise error properties. Explicit Space-Time Codes Achieving the Diversity-Multiplexing Gain Tradeoff.
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Distributed space-time block codes, pseudo Orthogonal Designs as Space-Time Block Codes. Precoded Orthogonal Space-Time Block Codes over Correlated Ricean mimo Channels. In this thesis, Lie groups and their representations are used in solving the design problem. The codes are designed based on an information-theoretic criterion and have a polynomial-time near-maximum-likelihood decoding algorithm. Capacity has long been a bottleneck in wireless communications. Abstract, this thesis has two main contributions: the designs of differential/non-differential unitary space-time codes for multiple-antenna systems and the analysis of the diversity gain when using space-time coding among nodes in wireless networks. SpaceTime Block Coding for Doubly-Selective Channels. Mimo Space-Time Block Coding (stbc Simulations and Results.