OFDMA TDD 이동통신 시스템에서 레인징 신호를 이용한 상향 링크 시간동기 방법
이영하, 유창완, 박윤옥
- 8600420 (2013.12.03)
- When a base station of a time division duplex based mobile communication system receives an initial ranging request signal from a subscriber station, the base station generates initial ranging information including delay time information to the subscriber station, and receives uplink data delayed and transmitted using a delay time from the subscriber station. Also, when the subscriber station transmits an initial ranging request signal to the base station and receives initial ranging information including delay time information from the base station, the subscriber station establishes a transmission parameter value by using the transmission parameter value included in the initial ranging information and transmits uplink data by using the established delay time.
- KSP 제안 키워드
- Communication system, Delay Time, Initial ranging, Subscriber station, Time division duplexing(TDD), Time information, base station(BS), mobile communication, mobile communication system, time division, timing synchronization