상세정보
등록 무선통신시스템에서 끊김없는 주파수간 하드 핸드오버 방법
- 출원번호
- 10466053 (2001.12.31)
- 공개번호
- 20040053614 (2004.03.18)
- 등록번호
- 7376424 (2008.05.20)
- 출원국
- 미국
- 협약과제
- 초록
- A method for seamless inter-frequency hard handover in a radio communication system is disclosed. The method for seamless inter-frequency hard handover includes the steps of: a) at a mobile station, blocking a first uplink carrier frequency used for communication, transmitting a direct sequence spread preamable signal through a second uplink carrier frequency for a short time, and continuously performing the communication through the first uplink carrier frequency: and h) at a target base transciever station, acquiring an uplink synchronization of a mobile station based on the preamble before performing handover.
- KSP 제안 키워드
- Carrier frequency, Communication system, Direct-sequence(DS), Hard Handover, Mobile station(MS), Radio communication, Short time, Uplink synchronization