A 200-Mb/s Data Rate 3.1–4.8-GHz IR-UWB All-Digital Pulse Generator With DB-BPSK Modulation

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IEEE Transactions on Circuits and Systems II: Express Briefs, ISSN: 1549-7747, Vol: 62, Issue: 12, Page: 1184-1188

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Na, Kyungmin; Jang, Heedon; Ma, Hyunggun; Choi, Yunho; Bien, Franklin
Institute of Electrical and Electronics Engineers (IEEE); IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Engineering; Impulse radio ultrawideband (IR-UWB); pulse generator; transmitter; wireless body area network (WBAN)
article description
A new all-digital impulse radio ultrawideband pulse generator in a 65-nm CMOS technology for a wireless body area network is presented. The system architecture is a delay-based pulse generator that is designed using only logic gates to minimize the power consumption. The system uses a frequency range of 3.1-4.8 GHz and 3 channels with a 500-MHz bandwidth. The maximum data rate of this system is 100 Mb/s with pulse positioned modulation and 200 Mb/s with on-off keying. Delay-based binary phase-shift keying is used to achieve an efficient spectral line characteristic. The total power consumption of the pulse generator is 30 pJ/pulse at a 1.2-V supply voltage without a static bias current.