Low Complexity Decoding of the 4×4 Perfect Space-time Block Code
作者： Elie Amani , Karim Djouani , Anish Kurien , None
DOI: 10.1016/J.PROCS.2014.05.418
关键词:
摘要: Abstract The 4x4 perfect space-time block code (STBC) is one type in a family of STBCs that have full rate, diversity, non- vanishing constant minimum determinant improves spectral efficiency, uniform average transmitted energy per antenna, and good shaping. These codes suffer very high complexity maximum likelihood (ML) decoding. exhaustive ML decoding the STBC for instance has O(N16), with N being size underlying QAM constellation. This paper suggests fast algorithm reduces from O(N16) to O(N8). based on conditional minimization decision metric respect subset symbols given another. low approach essentially because it suffers no loss symbol error rate (SER) performance when compared
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