A New PSPM Modulation Scheme for Improving the Power Efficiency 


Vol. 35,  No. 8, pp. 752-759, Aug.  2010


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  Abstract

The low power consumption is the most important design factor for the In-Body communication system of WBAN. The conventional PSSK (Phase-Silence-Shift-keying) modulation technique can be regarded as an extension from PSK modulation. And this PSSK has better power efficiency than PSK modulation, and higher spectral efficiency than FSK modulation. PSSK modulation is to transmit two orthogonal symbols. The transmission power can be lowered because the symbol rate in signal period becomes half. BER performance is improved because transmission power is lower and the modulation symbol distance is widened. In addition, PSSK preserve the low-power and increase the data rate than FSK. In this paper, we analyzed existing PSSK and like to propose a new PSPM (Phase-Shift-Position-Modulation) modulation scheme. This PSPM is evaluated in terms of considered bandwidth efficiency and BER performance, compared with the PSSK. This PSPM modulation method transmits the information data by both PSK symbol data and symbol position data, so that we can significantly improve the power efficiency. New proposed PSPM method could be very useful for the In-body communication that requires the most power efficient system.

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  Cite this article

[IEEE Style]

J. Choe, J. Son, H. Ryu, "A New PSPM Modulation Scheme for Improving the Power Efficiency," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 752-759, 2010. DOI: .

[ACM Style]

Jae-Hun Choe, Jong-Won Son, and Heung-Gyoon Ryu. 2010. A New PSPM Modulation Scheme for Improving the Power Efficiency. The Journal of Korean Institute of Communications and Information Sciences, 35, 8, (2010), 752-759. DOI: .

[KICS Style]

Jae-Hun Choe, Jong-Won Son, Heung-Gyoon Ryu, "A New PSPM Modulation Scheme for Improving the Power Efficiency," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 752-759, 8. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880