Title :
A Real-Time Coded OFDM Acoustic Modem in Very Shallow Underwater Communications
Author :
Kun, Zhong ; Sen, Quek Swee ; Aik, Koh Tiong ; Aik, Tan Bien
Author_Institution :
DSO Nat. Lab., Singapore
Abstract :
In this paper, we describe the design and implementation of a high-rate modem for use in very-shallow water communications. The modem employs an orthogonal-frequency-division-multiplexing (OFDM) scheme with a powerful forward error-correcting code (FEC) -turbo block code. Bit error rate (BER) measurements obtained from coastal sea trials showed that this modem is capable of delivering good error rate performance for information rates of up to nearly 10 kbits/s at transmission distances below 1700 m.
Keywords :
OFDM modulation; error statistics; modems; oceanographic equipment; underwater acoustic communication; underwater sound; OFDM acoustic modem; bit error rate; coastal sea; forward error correcting code; orthogonal frequency division multiplexing; real-time coding; underwater communications; Acoustic measurements; Bit error rate; Block codes; Error correction codes; Forward error correction; Modems; OFDM; Sea measurements; Underwater acoustics; Underwater communication; BER; FEC; OFDM; Very shallow waters; turbo block code;
Conference_Titel :
OCEANS 2006 - Asia Pacific
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-0138-3
Electronic_ISBN :
978-1-4244-0138-3
DOI :
10.1109/OCEANSAP.2006.4393961
