On Low Complexity ML Decoder for Quaternion Orthogonal Designs
作者： Erum Mushtaq , Sajid Ali , Syed Ali Hassan
DOI: 10.1109/LCOMM.2017.2665538
关键词:
摘要: Quaternion orthogonal designs (QODs) provide an efficient way of constructing space time polarization block codes to achieve larger transmit diversity gains without substantial increase in antenna dimensions. However, their optimal decoding remains a big challenge. This letter introduces important constraint, which has not been emphasized before, for decoupled QODs and proposes generalized low complexity maximum-likelihood decoder based on symmetric-paired designs. The main contribution this is explore the benefits smaller as well higher order compromising system performance. Results show that proposed yields with remarkably complexity. also compares performance quaternion coordinate interleaved (QCIODs), full diversity, shows significantly outperform QCIODs.
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