Abstract
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 language | English |
|---|---|
| Article number | 5577798 |
| Pages (from-to) | 2493-2498 |
| Number of pages | 6 |
| Journal | IEEE Transactions on Communications |
| Volume | 58 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 2010 |
Keywords
- Noncoherent detection
- block-coded modulation
- multilevel coding
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