Electrical and Computer Engineering, Department of
Department of Electrical and Computer Engineering: Faculty Publications (to 2015)
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Document Type
Article
Date of this Version
9-2009
Abstract
Quaternion orthogonal designs (QODs) have been previously introduced as a basis for orthogonal space-time polarization block codes (OSTPBCs). This note will serve to correct statements concerning the optimality of a decoupled maximum-likelihood (ML) decoding algorithm. It will be shown that when compared to coupled decoding, the decoupled decoding is only optimal in certain cases. This raises several open problems concerning the decoding of OSTPBCs.
Comments
Published in 3rd International Conference on Signal Processing and Communication Systems, Omaha, Nebraska, 28-30 September 2009