Transmission and reception of PDM dual-subcarrier coherent 16QAM-OFDM signals
Dual-subcarrier 16QAM-OFDM has lower PAPR compared to conventional OFDM signal. Dual-subcarrier 16QAM-OFDM can be retrieved like a 49QAM without any overhead. The minimum bandwidth requirement is discussed for dual-subcarrier 16QAM-OFDM. We achieve 100Gbit/s dual-subcarrier OFDM signal transmission with 16QAM modulation format.
ofdm 49qam coherent detection dual-subcarrier 16qam