Error performance of triangular‐shaped signal set
Shinjiro Oshita, Takaya Yamazato · Electronics and Communications in Japan (Part I Communications) · 1991
Abstract The error performance of an amplitudephase shift keying system with triangularshaped signal set (TSSS) is discussed. Expressions for the probability of error performance of this scheme are derived for the case of 64, 128, 256, 512, 1024 states and compared to QAM and modified QAM (MQAM) for the same number of states. It is shown that this signal set outperforms both QAM and MQAM in the presence of an additive Gaussian noise channel. The performance improvement is attributed to the larger decision region obtained for each state in the signal constellation, as compared to QAM and MQAM. Degradation due to the phase error is also discussed in detail.