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A dual-channel fully integrated RF receiver is designed and implemented for next generation Global Navigation Satellite Systems (GNSS) in a 0.18μm CMOS process. Its two independent channels are capable of receiving 2MHz, 4MHz or 20MHz bandwidth signals around 1.2GHz and 1.57GHz, for GPS, Galileo, and Compass systems. Gain controls along with an all-digital automatic gain control (AGC) loop...
Radio Frequency Identification (RFID) technology are gaining much attention for indoor location sensing. LANDMARC was the first attempt utilizing RFID reference tags which make the system adaptable to the environment changes. However, the system suffers from some problems. For example, to further improve the localization accuracy, more reference tags are needed. This means longer latency in tracking...
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