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Noncoherent Block-Coded TAPSK and 16QAM Using Linear Component Codes
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DOI：10.1109/TCOMM.2010.09.090413.png)
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In this paper, we derive minimum noncoherent distances of block-coded TAPSK (twisted amplitude and phase shift keying) and 16QAM (quadrature-amplitude modulation), both using linear component codes. According to the derived distances, noncoherent block-coded TAPSK (NBC-TAPSK) and noncoherent block-coded 16QAM (NBC-16QAM) are proposed. If the block length is very small, NBC-16TAPSK performs best among all noncoherent schemes and NBC-16QAM performs worse due to its small minimum noncoherent distance. However, if the block is not short, NBC-16QAM has the best error performance because the codewords with small noncoherent distances are rare.
Keyword:
Noncoherent detection
block-coded modulation
multilevel coding
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8.3
论文数:
1.2W
被引数:
3.6W
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