공유 주파수 대역에서 효율적인 스펙트럼 감지를 위한 신호 검출기 및 그 방법
강규민, 조상인, 홍헌진
- 8503955 (2013.08.06)
- An apparatus for detecting a signal in a common frequency band includes: a signal processor configured to extract a selected band signal from received wireless signals by filtering the received wireless signal based on a frequency selection control signal, convert the extracted signal to a baseband signal, and detect a predetermined signal; a sensing signal determiner configured to determine existence of the signal, output a determination result, and outputs a frequency selection generating signal when the predetermined signal is absent; and a frequency selection controller configured to output the frequency selection control signal by selecting a target band among a plurality of previously decided bands.
- KSP 제안 키워드
- Control Signal, Frequency selection, Sensing signal, Signal detector, Signal processor, Spectrum Sensing, Wireless signals, baseband signal, frequency band, signal based