Noncoherent block-coded TAPSK and 16QAM using linear component codes

Ruey Yi Wei, Tzu Shiang Lin, Shi Shan Gu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


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.

Original languageEnglish
Article number5577798
Pages (from-to)2493-2498
Number of pages6
JournalIEEE Transactions on Communications
Issue number9
StatePublished - Sep 2010


  • Noncoherent detection
  • block-coded modulation
  • multilevel coding


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