Title :
Acoustic impulse response mapping for acoustic communications in shallow water
Author :
Caimi, Frank M. ; Tongta, Rangsan ; Carroll, Michael ; Murshid, Syed
Author_Institution :
Dept. of Electr. Eng., Harbor Branch Oceanogr. Inst. Inc., Fort Pierce, FL, USA
fDate :
28 Sep-1 Oct 1998
Abstract :
This paper we review the accepted methods for characterization of digital communications channels and present results from measurements made in shallow water. Several different methods for characterization are reported for signals over a frequency range of 40 to 60 kHz. The use of a system identification method (SID) for equalization of received data transmission is presented and compared to standard methodology for data rates to 10 kbps. Comparison of OAIR derived from standard acoustic propagation models is also presented
Keywords :
digital communication; equalisers; time-varying channels; transient response; underwater acoustic communication; 10 kbit/s; 40 to 60 kHz; OAIR; SID; acoustic communications; acoustic impulse response mapping; acoustic propagation models; data rates; digital communications channels; equalization; received data transmission; shallow water; system identification method; Acoustic measurements; Acoustical engineering; Bit error rate; Decoding; Digital communication; Electric variables measurement; Sea measurements; System identification; Underwater acoustics; Underwater communication;
Conference_Titel :
OCEANS '98 Conference Proceedings
Conference_Location :
Nice
Print_ISBN :
0-7803-5045-6
DOI :
10.1109/OCEANS.1998.726385
