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952 IEEE TRANSACTIONS ON COMMUNICATIONS, VOL. 53, NO. 6, JUNE 2005 Tight Error Bounds for Space-Time Orthogonal Block Codes
 

Summary: 952 IEEE TRANSACTIONS ON COMMUNICATIONS, VOL. 53, NO. 6, JUNE 2005
Tight Error Bounds for Space-Time Orthogonal Block Codes
Under Slow Rayleigh Flat Fading
Firouz Behnamfar, Member, IEEE, Fady Alajaji, Senior Member, IEEE, and Tamás Linder, Senior Member, IEEE
Abstract--The performance of space-time orthogonal block
(STOB) codes over slow Rayleigh fading channels and max-
imum-likelihood (ML) decoding is investigated. Two Bonfer-
roni-type bounds (one upper bound and one lower bound) for the
symbol error rate (SER) and bit error rate (BER) of the system
are obtained. The bounds are expressed in terms of the pairwise
error probabilities (PEPs) and the two-dimensional pairwise error
probabilities (2-D PEPs) of the transmitted symbols. Furthermore,
the bounds can be efficiently evaluated and they hold for arbitrary
(nonstandard) signaling schemes and mappings. Numerical results
demonstrate that the bounds are very accurate in estimating the
performance of STOB codes. In particular, the upper and lower
bounds often coincide even at low channel signal-to-noise ratios,
large constellation sizes, and large diversity orders.
Index Terms--Bit and symbol error rates, diversity, maximum-
likelihood decoding, multiple antennas, pairwise error probability,

  

Source: Alajaji, Fady - Department of Mathematics and Statistics, Queen's University (Kingston)
Linder, Tamás - Department of Mathematics and Statistics, Queen's University (Kingston)

 

Collections: Engineering