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This work proposes an orthogonal frequency division multiplexing (OFDM) based baseband transceiver design for wireless body area network (WBAN) application. Based on the analysis of the WBAN operation behavior, high transmission data rate and low power implementation techniques are proposed to reduce the transmission energy. An electrocardiography (ECG)(More)
— This paper presents a sub-mW all-digital signal component separator (SCS) with a novel branch mismatch compensation scheme for OFDM LINC transmitters, including a phase calculator and a digital-control phase shifter (DCPS) pair. This chip is manufactured in 90nm standard CMOS process with active area 0.06mm 2. The DCPS can generate phase-modulated signal(More)
This paper presents a low-power all-digital phase modulator (PM) pair to generate constant-envelope signals for LINC transmitters. To reduce the power overhead, an open-loop delay line based phase shifter with a continuous locking scheme is adopted for the PM design. This design is implemented by 90 nm CMOS technology with active area of 0.1892 mm 2. The PM(More)
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