Exploration of Modulation and Demodulation for Body Area Networks

Guo Quan Li; Ke Tang; Jin Zhao Lin; Yu Pang; Zhang Yong Li; Qian Neng Zhou; Lu Deng

doi:10.4028/www.scientific.net/AMM.427-429.2558

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 427-429Exploration of Modulation and Demodulation for...

Exploration of Modulation and Demodulation for Body Area Networks

Abstract:

Modulation and demodulation are two important parts in BAN baseband transmission systems. Different demodulation algorithms may affect the BER performance of the entire system seriously. Referring to IEEE 802.15.6 BAN standard, theoretical analysis and algorithm design of the modulation and demodulation for π/2-DBPSK and π/4-DQPSK is carried out and simulation results of BER performance are presented in this paper. In AWGN channel, both modulations achieve good performance, and performance degradation of π/4-DQPSK happens in multipath channel which may not satisfy the requirements. Adaptive modulation is considered to solve this problem by choosing different modulation scheme according to channel quality.

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Periodical:

Applied Mechanics and Materials (Volumes 427-429)

Pages:

2558-2561

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.427-429.2558

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Online since:

September 2013

Authors:

Guo Quan Li*, Ke Tang, Jin Zhao Lin, Yu Pang, Zhang Yong Li, Qian Neng Zhou, Lu Deng

Keywords:

Bit Error Rate (BER), Body Area Network (BAN), Demodulation, Modulation

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* - Corresponding Author

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