Abstract
Provided are a receiver and a receiving method for a scalable bandwidth in a mobile station of an Orthogonal Frequency Division Multiplexing (OFDM) system. The receiving method includes the steps of: (a) filtering a received RF signal; (b) oscillating a frequency according to a center frequency control signal to output a local oscillation frequency; (c) down-converting the filtered RF signal by using the local oscillation frequency; (d) scalable-filtering the down-converted signal while adjusting a bandwidth according to a bandwidth control signal; (e) controlling gain of the scalable-filtered signal; (f) converting the gain-controlled analog signal into a digital signal by using a sampling frequency matching with a corresponding bandwidth according to an ADC control signal; and (g) demodulating the converted digital signal outputting the center frequency control signal the bandwidth control signal and the ADC control signal according to control information received from an upper layer.
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4G | 25/10/2017 | ISLD-201801-006 | Electronics and Telecommunications Research Institute |
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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