Journal
IEEE JOURNAL OF SOLID-STATE CIRCUITS
Volume 58, Issue 5, Pages 1285-1298Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSSC.2022.3230002
Keywords
Frequency-division duplexing (FDD); multicast; ultra-wideband (UWB) transceiver (TRX)
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This article presents a UWB-based wireless transceiver for short-range multicast applications. The transceiver operates at the 7-10-GHz band and delivers up to 2-Gb/s data rate in 500-MHz channel bandwidth. It has a best-in-class energy efficiency and can tolerate self-interference and Wi-Fi blockers during operation.
This article presents a ultra-wideband (UWB)-based wireless transceiver (TRX) in a reconfigurable frequency-division duplexing (FDD) wireless network for short-range multicast applications. The TRX operates at the 7-10-GHz band, adopts a digital-process-friendly architecture, and delivers up to 2-Gb/s data rate in 500-MHz channel bandwidth. The measured power consumption is 19.8 mW at the 8-GHz channel, resulting in a best-in-class energy efficiency of 9.9 pJ/b for sub-10-GHz wireless TRXs. The TRX outputs -5.5-dBm power and achieves -67.5-dBm sensitivity at 1 Gb/s. Having a coherent TRX architecture, it can tolerate self-interference during FDD operation with 1-dB receiver de-sensitization and close-in -26-dBm Wi-Fi blockers with 3-dB de-sensitization.
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