Group Manchester Code Scheme for Medical In-body WBAN Systems 


Vol. 36,  No. 10, pp. 597-604, Oct.  2011


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  Abstract

In this paper, we propose group Manchester code (GM) modulation scheme for medical in-body wireless body area network (WBAN) systems. In IEEE, the WBAN system is assigned as 802.15. Task Group 6 (TG 6), and the related standardization is being progressed. Recently, in this Group, group pulse position modulation (GPPM), which can obtain data rate increase by grouping pulse position modulation (PPM) symbols, is proposed as a new modulation scheme for low-power operation of WBAN system. However, the conventional method suffers from BER performance degradation due to the absence of gray coding and its demodulation characteristics. Therefore, in this paper, we propose a modified GM scheme which groups Manchester code instead of PPM. In the proposed GM scheme, a low-complexity maximum likelihood (ML) demodulation method is employed in order to maximize the BER performances. Also, log likelihood ratio (LLR) decision method is proposed to employ the Turbo code as forward error correction (FEC). Finally, we verified that the proposed method has a good performance and is an appropriate scheme for in-body WBAN system through extensive performance evaluation.

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  Cite this article

[IEEE Style]

I. M. Choi, K. H. Won, H. Choi, "Group Manchester Code Scheme for Medical In-body WBAN Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 10, pp. 597-604, 2011. DOI: .

[ACM Style]

Il Muk Choi, Kyung Hoon Won, and Hyung-Jin Choi. 2011. Group Manchester Code Scheme for Medical In-body WBAN Systems. The Journal of Korean Institute of Communications and Information Sciences, 36, 10, (2011), 597-604. DOI: .

[KICS Style]

Il Muk Choi, Kyung Hoon Won, Hyung-Jin Choi, "Group Manchester Code Scheme for Medical In-body WBAN Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 10, pp. 597-604, 10. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880