IEEE Transactions on Information Theory
Capacity of a mobile multiple-antenna communication link in Rayleigh flat fading
IEEE Transactions on Information Theory
Space-time block codes from orthogonal designs
IEEE Transactions on Information Theory
Unitary space-time modulation for multiple-antenna communications in Rayleigh flat fading
IEEE Transactions on Information Theory
Multiple-antenna signal constellations for fading channels
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Soft-decision decoding of linear block codes based on ordered statistics
IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
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This paper is concerned with the bit error probability (BEP) of coded unitary space---time modulation systems based on finite-length low density parity check (LDPC) codes. The union bound on the BEP of the maximum likelihood (ML) decoding is derived for any code rate, unitary space---time constellation and mapping. The tightness of the bound is checked with simulation results of the ordered statistic decoding (OSD). Numerical and simulation results show that the union bound is also close to the error performance of the sum---product (SP) decoding at low BEP levels when Gray mapping is employed. The derived bound is useful to benchmark the error performance of finite-length coded unitary space---time modulation systems, especially for those that employ short-to-medium length LDPC codes.