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access icon free Mixed-signal demodulator for IEEE 802.15.6 IR-UWB WBAN energy detection-based receiver

© The Institution of Engineering and Technology
Received 17/08/2017, Accepted 03/04/2018, Revised 21/02/2018, Published 09/04/2018

A mixed-signal baseband demodulator for IEEE 802.15.6 impulse-radio ultra-wideband (IR-UWB) wireless body area network (WBAN) energy detection-based receiver is presented. It considers M-ary pulse position modulation (PPM) signalling format conforming to the IEEE 802.15.6 WBAN standard. The demodulator utilises ‘integrate-and-digitise’ approach employing simple mixed-signal circuits. The design is implemented in 0.18 μm CMOS technology operating at 1.8 V supply. The demodulator consists of a mixed-signal windowed integrator, a single-ended successive approximation register analogue-to-digital converter followed by a digital back-end. Further, its performance evaluation is carried out for 2-ary and 16-ary PPM signalling in different WBAN channels.

Inspec keywords: radio receivers; wireless channels; body area networks; ultra wideband communication; pulse position modulation; demodulation; demodulators; telecommunication signalling; CMOS integrated circuits

Other keywords: 2-ary PPM signalling format; CMOS technology; IEEE 802.15.6 IR-UWB WBAN energy detection-based receiver; mixed-signal baseband demodulator; M-ary pulse position modulation signalling format; WBAN channel; mixed-signal circuit; mixed-signal windowed integrator; single-ended successive approximation register analogue-todigital converter; voltage 1.8 V; digital back-end; 16-ary PPM signalling format; size 0.18 mum; integrate-and-digitise approach; impulse-radio ultrawideband wireless body area network

Subjects: Radio links and equipment; Modulators, demodulators, discriminators and mixers; CMOS integrated circuits; Biomedical communication; Modulation and coding methods

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