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System-level power modeling and estimation is a non-trivial task for the architecture and power management strategies exploration during early design phases of a cellular LTE modem. It requires system architects to consider not only highly heterogeneous SoC architectures, but also various worldwide LTE network configurations and dynamic scheduling which impact modem power consumption significantly...
This paper describes a GPS receiver circuit that operates simultaneously with WCDMA/CDMA2000 transceivers. This receiver uses a low-IF architecture to minimize the external passive components. The RF front-end circuit dynamically adjusts the linearity performance based on the instantaneous transmitting power of the integrated transmitter. The receiver measured performances are >80dB gain, 2.0dB...
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