인지 무선 시스템에서 유연하게 대역폭을 사용하는 방법
황성현, 김창주, 송명선, 김윤희, 엄중선, 고광진
- 8477799 (2013.07.02)
- Provided are a method for using a flexible bandwidth in an orthogonal frequency division multiple access (OFDMA)-based cognitive radio system, and a base station (BS) and a subscriber station using the method. The method includes: allocating a channel band from among unused channel bands having a bandwidth that is a natural number times a bandwidth resolution to customer premises equipment (CPE), wherein the bandwidth resolution is a predetermined bandwidth smaller than a bandwidth of a broadcast channel band, and transmitting an OFDMA-based signal comprising band allocation information indicating information regarding the allocated channel band.
- KSP 제안 키워드
- Broadcast Channel, Cognitive Radio System, Customer Premises Equipment, Flexible Bandwidth, Frequency division, Frequency division multiple access(FDMA), Orthogonal Frequency Division Multiple Access(OFDMA), Subscriber station, base station(BS), cognitive radio(CR), multiple access, radio system