KR20040039427A - 스펙트럼 확산 통신 장치 및 스펙트럼 확산 통신 방법 - Google Patents
스펙트럼 확산 통신 장치 및 스펙트럼 확산 통신 방법 Download PDFInfo
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Abstract
Description
Claims (4)
- 통상 모드의 경우에 프레임을 연속적으로 수신하고, 압축 모드의 경우에 압축된 해당 프레임을 간헐적으로 수신하는 부호 분할 다중 접속 시스템에 적용되는 스펙트럼 확산 통신 장치에 있어서,상기 압축 모드 시에, 압축된 프레임을 간헐적으로 수신하는 압축/간헐 수신 수단과,상기 압축 모드 기간중의 비전송 시간에, 다른 주파수 캐리어에 있어서의, 모든 기지국에서 공통 또한 시간 계속적으로 송신되는 제 1 서치 코드와, 상기 제 1 서치 코드와 동일 타이밍으로 송신 또한 복수의 수치 패턴에 의해 인식 가능한 제 2 서치 코드를 검출하고, 그 서치 코드를 소정의 기준으로 판정하는 서치 코드 검출 판정 수단과,상기 간헐 수신 시에 상기 압축/간헐 수신 수단을 선택하고, 상기 비전송 시간에 상기 서치 코드 검출 판정 수단을 선택하여, 쌍방의 동작을 제어하는 제어 수단을 구비하고,상기 제어 수단은,상기 서치 코드 검출 판정 수단에서 검출되는 제 1 서치 코드 및 제 2 서치 코드에 기초하여, 상기 다른 주파수 캐리어와의 동기를 확립하는 것에 의해, 다른 주파수간 핸드 오버를 제어하는 것을 특징으로 하는, 스펙트럼 확산 통신 장치.
- 통상 모드의 경우에 프레임을 연속적으로 수신하고, 압축 모드의 경우에 압축된 해당 프레임을 간헐적으로 수신하는 부호 분할 다중 접속(CDMA) 시스템에 적용되는 스펙트럼 확산 통신 장치에 있어서,상기 압축 모드 시에, 압축된 프레임을 간헐적으로 수신하는 압축/간헐 수신 수단과,상기 압축 모드 기간중의 비전송 시간에, 다른 통신 시스템에 있어서의, 주파수를 맞추기 위한 제 1 정보와, 동기를 취하기 위한 제 2 정보를 검출하고, 그 제 1 및 제 2 정보를 소정의 기준으로 판정하는 정보 검출 판정 수단과,상기 간헐 수신 시에 상기 압축/간헐 수신 수단을 선택하며, 상기 비전송 시간에 상기 정보 검출 판정 수단을 선택하고, 쌍방의 동작을 제어하는 제어 수단을 구비하고,상기 제어 수단은,상기 정보 검출 판정 수단에서 검출되는 제 1 정보 및 제 2 정보에 기초하여, 상기 다른 통신 시스템과의 동기를 확립하는 것에 의해, 다른 주파수간 핸드 오버를 제어하는 것을 특징으로 하는, 스펙트럼 확산 통신 장치.
- 통상 모드의 경우에 프레임을 연속적으로 수신하고, 압축 모드의 경우에 압축된 해당 프레임을 간헐적으로 수신하는 부호 분할 다중 접속 시스템에 적용되는 스펙트럼 확산 통신 방법에 있어서,1 프레임의 최대 1/2 시간의 상기 비전송 시간에, 적어도 1개의 제 1 서치코드를 검출하는 제 1 서치 코드 검출 단계와,그 후, 상기 비전송 시간을 소정 슬롯 단위로 시프팅하는 처리를 반복하고, 복수 프레임을 사용하여 모든 제 2 서치 코드의 수치를 검출하는 제 2 서치 코드 검출 단계를 포함하며,검출되는 제 1 서치 코드 및 제 2 서치 코드의 수치 패턴에 기초하여, 다른 주파수 캐리어와의 동기를 확립하는 것에 의해, 다른 주파수간 핸드 오버를 행하는 것을 특징으로 하는 스펙트럼 확산 통신 방법.
- 통상 모드의 경우에 프레임을 연속적으로 수신하고, 압축 모드의 경우에 압축된 해당 프레임을 간헐적으로 수신하는 부호 분할 다중 접속 시스템에 적용되는 스펙트럼 확산 통신 방법에 있어서,1 프레임의 최대 1/2 시간의 상기 비전송 시간에, 주파수를 맞추기 위한 제 1 정보를 검출하는 제 1 정보 검출 단계와,그 후, 상기 검출된 제 1 정보로부터 구해진 이미 알고 있는 타이밍에 기초하여, 상기 비전송 시간을 설정하고, 동기를 취하기 위한 제 2 정보를 검출하는 제 2 정보 검출 단계를 포함하며,검출되는 제 1 정보 및 제 2 정보에 기초하여, 다른 통신 시스템과의 동기를 확립하는 것에 의해, 다른 주파수간 핸드 오버를 행하는 것을 특징으로 하는 스펙트럼 확산 통신 방법.
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