Title
A low-power robust GFSK demodulation technique for WBAN applications
Abstract
This paper presents a low-power Gaussian frequency shift keying (GFSK) demodulation technique for wireless body area network (WBAN) applications. The demodulator is composed of a digital pulse generator (DPG), a low-pass filter (LPF), a band-pass filter (BPF), and a hysteresis comparator. The robustness under frequency deviations is realized by a DPG, which outputs an optimized pulse width insensitive to variations of process, voltage, and temperature (PVT). The demodulator is designed with 0.18 mu m CMOS technology, and the input testing GFSK signal is 200 kHz, with a data rate of 100 kb/s and a modulation index of 1.0. Simulation results show that the minimum input signal-to-noise ratio (SNR) is 18 dB for 0.1% bit error rate (BER), which falls in the same level with state-of-the-art. Nevertheless, the proposed demodulator can tolerate -15%similar to+ 10% frequency deviation, and consumes only 0.52 mA under 1.8 V supply.
Year
DOI
Venue
2013
10.1109/BioCAS.2013.6679715
2013 IEEE BIOMEDICAL CIRCUITS AND SYSTEMS CONFERENCE (BIOCAS)
Keywords
Field
DocType
low pass filters,frequency shift keying,band pass filters,cmos integrated circuits,noise
Demodulation,Modulation index,Band-pass filter,Frequency-shift keying,Computer science,Frequency deviation,Pulse-width modulation,Electronic engineering,Low-pass filter,Electrical engineering,Bit error rate
Conference
Volume
Issue
ISSN
null
null
2163-4025
Citations 
PageRank 
References 
3
0.48
8
Authors
5
Name
Order
Citations
PageRank
Pengpeng Chen112317.75
Bo Zhao21069.25
Rong Luo323324.75
Yong Lian430.82
Huazhong Yang52239214.90