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http://dx.doi.org/10.5394/KINPR.2011.35.10.811

Performance Analysis of the Underwater Acoustic Communication with Low Power Consumption by Sea Trials  

Lee, Tae-Jin (Dept. of Radio Communication. Eng., Korea Maritime University)
Kim, Ki-Man (Dept. of Radio Communication. Eng., Korea Maritime University)
Abstract
In this paper, we analysis to consider the performance of PSPM (Phase Shift Pulse-position Modulation), the one of the low power communication technique, in near-field underwater sound channel by sea trial. PSPM is a QPSK(Quadrature Phase Shift Keying) modulation combined with PPM(Pulse Position Modulation) for low power communication in WBAN(Wireless Body Area Network). It is known that the bandwidth efficiency of PSPM is lower than conventional PSK but the power efficiency increases. In this paper, we will analyze the BER performance of PSPM using data acquired from the sea trials. The BER of QPSK was $6.04{\times}10^{-2}$, PSPM was $3.5{\times}10^{-1}$. Also, PSNR of QPSK was 9.37 dB and in case of PSPM was 9.11 dB.
Keywords
underwater acoustic communication; low power consumption; underwater sensor network; short range transmission; PSPM(Phase Shift Pulse position Modulation); PPM(Pulse Position Modulation); QPSK(Quadrature Phase Shift Keying); bit error rate; power efficiency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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