OFDMA 및 SC-FDMA기반 상향 링크 위성 이동 통신 시스템 및 그 방법
김희욱, 강군석, 이호진, 안도섭
- 8514770 (2013.08.20)
- Provided is a method of establishing an uplink in a mobile satellite communication system, the method including: receiving a random uplink access signal from terminals included in a coverage of a satellite beam; estimating a location of each of the terminals; calculating an uplink transmission point in time when each of the terminals transmits an uplink signal, based on the estimated location of each of the terminals; transmitting, to each of the terminals, the calculated uplink transmission point in time; and receiving the uplink signal from each of the terminals at the calculated uplink transmission point in time.
- KSP 제안 키워드
- Communication system, Mobile satellite, Mobile satellite communication, mobile satellite communication system, satellite communication, satellite communication system, uplink transmission