1. A Multiband, Spectrally-Efficient Impulse Radio Transmitter Design with Low-Complexity CMOS Pulse Generator for IEEE 802.15.4a Application.
- Author
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Saoudi, Hanen, Ghariani, Hamadi, and Lahiani, Mongi
- Subjects
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PULSE generators , *RADIO transmitters & transmission , *VOLTAGE-controlled oscillators , *POWER amplifiers , *ENERGY consumption , *DESIGN techniques , *TRANSMITTERS (Communication) - Abstract
A novel multiband impulse radio ultra-wideband (MB-IR-UWB) transmitter with an energy-efficient and low-complexity pulse generator design technique compliant with the IEEE 802.15.4a standard is investigated in this paper. This transmitter is made up of a new differential narrow triangular pulse generator, a new multiband voltage-controlled oscillator (VCO), an active mixer and a variable-gain power amplifier (PA). It operates at 14 UWB bands and generates an output signal with the duration of 3 ns, more than 500 MHz of channel bandwidth and more than 20 dB of sidelobe suppression, while achieving an average energy efficiency of 51.36 pJ/pulse from 1.4-V supply. Improving spectral flexibility and worldwide compliance is the major contribution brought by this paper to make this circuit as a multifunction wireless device well suited for low-cost, low-power multiband applications. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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