TY - GEN
T1 - Self-differential joint frequency and phase modulation for long-range underwater acoustic communications
AU - Ran, Maohua
AU - Huang, Jianguo
AU - Zhang, Qunfei
AU - Chen, Yong
PY - 2008
Y1 - 2008
N2 - Narrow available bandwidth, strong multi-path disturbance and serious fading in the long-range channel are main obstacles to the high-rate reliable underwater acoustic communications. In traditional underwater acoustic communication systems, frequency-shift-keying (FSK) and phase-shift-keying (PSK) are typical modulation schemes that are efficient in power and in bandwidth, respectively. But they can't solve effectively the conflicting demands between the high data rate and reliability. A novel self-differential joint frequency and phase modulation (SD-JFPM) approach is presented in this paper, which is well suited in shallow water channels. In SD-JFPM, phase information is transmitted by the difference between initial phases of the former and latter halves of a certain symbol. The theoretical analysis is given, and also the experiments in lake are conducted. The results demonstrate that the SD-JFPM modulation is effective for the multi-path influence in the fading channel, and can overperform single-carrier modulation by increased data rate and communication reliability.
AB - Narrow available bandwidth, strong multi-path disturbance and serious fading in the long-range channel are main obstacles to the high-rate reliable underwater acoustic communications. In traditional underwater acoustic communication systems, frequency-shift-keying (FSK) and phase-shift-keying (PSK) are typical modulation schemes that are efficient in power and in bandwidth, respectively. But they can't solve effectively the conflicting demands between the high data rate and reliability. A novel self-differential joint frequency and phase modulation (SD-JFPM) approach is presented in this paper, which is well suited in shallow water channels. In SD-JFPM, phase information is transmitted by the difference between initial phases of the former and latter halves of a certain symbol. The theoretical analysis is given, and also the experiments in lake are conducted. The results demonstrate that the SD-JFPM modulation is effective for the multi-path influence in the fading channel, and can overperform single-carrier modulation by increased data rate and communication reliability.
UR - https://www.scopus.com/pages/publications/67249163323
U2 - 10.1109/ICOSP.2008.4697505
DO - 10.1109/ICOSP.2008.4697505
M3 - 会议稿件
AN - SCOPUS:67249163323
SN - 9781424421794
T3 - International Conference on Signal Processing Proceedings, ICSP
SP - 1867
EP - 1870
BT - 2008 9th International Conference on Signal Processing, ICSP 2008
T2 - 2008 9th International Conference on Signal Processing, ICSP 2008
Y2 - 26 October 2008 through 29 October 2008
ER -