부분 주파수 재사용 기법을 적용한 지상보조장치를 포함하는 이동 위성 통신 장치 및 방법
김희욱, 강군석, 이호진, 안도섭
- 8149762 (2012.04.03)
08MR5600, IMT-Advanced 위성접속 기술개발(표준화연계),
- Provided is a communication method of a mobile terminal in an orthogonal frequency division multiplexing (OFDM) based multi-beam satellite system reusing the same frequency band for all the beams, the method including: receiving location information of the mobile terminal from a satellite to determine a location of the mobile terminal within multiple beams; determining a subcarrier group for a communication with the satellite according to the location of the mobile terminal within the multiple beams; and communicating with the satellite using the subcarrier group for the communication with the satellite.
- KSP 제안 키워드
- Frequency division, Frequency division multiplexing, Location information(GPS), Multi-beam, Multi-beam satellite, Orthogonal frequency division Multiplexing(OFDM), division multiplexing, frequency band, mobile terminal, multiple beams, satellite systems