KR20110089256A - 광역 위치 결정 시스템 - Google Patents
광역 위치 결정 시스템 Download PDFInfo
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Abstract
Description
도 2는 일 실시예에 따른 동기화된 비컨(beacon)의 블록도표.
도 3은 일 실시예에 따른, 리피터 구조를 이용한 위치 결정 시스템의 블록도표.
도 4는 대안의 실시예에 따른 리피터 구조를 이용한 위치 결정 시스템의 블록도표.
도 5는 일 실시예에 따른 타워 통기화의 블록도표.
도 6은 일 실시예에 따른 GPS-통제식 PPS 제너레이터의 블록도표.
도 7은 일 실시예에 따른 GPS-통제식 발진기 도면.
도 8은 일 실시예에 따라, 송신기의 아날로그 섹션으로 하여금 데이터를 송신하게 하는 신호와 PPS 간의 시간차를 카운팅하기 위한 신호 도표.
도 9는 일 실시예에 따른 차동 WAPS 시스템의 블록도표.
도 10은 일 실시예에 따른 공통 뷰 시간 트랜스퍼의 도면.
도 11은 일 실시예에 따른 양방향 시간 트랜스퍼의 도면.
도 12는 일 실시예에 따른 수신기 유닛의 블록도표.
도 13은 일 실시예에 따른 RF 모듈의 블록도표.
도 14는 일 실시예에 따른 신호 업컨버전 및/또는 다운컨버전의 도면.
도 15는 일 실시예에 따른, 위치 결정 시스템에서의 클럭 공유를 나타내는 블록도표.
도 16은 일 실시예에 따른, WAPS로부터 GSNN 수신기까지의 어시스턴스 블록도표.
도 17은 일 실시예에 따른 GNSS 수신기로부터 WAPS 수신기까지의 정보 보조 트랜스퍼의 블록도표.
도 18은 일 실시예에 따라 WAPS 수신기로부터 제공되는 WAPS 보조 정보의 일례의 구성도.
도 19는 일 실시예에 따른, h[n]으로 가장 이른 도달 경로를 추정하기 위한 순서도.
도 20은 일 실시예에 따른 참조 상관 함수를 추정하기 위한 순서도.
도 21은 일 실시예에 따른 잡음 서브-스페이스를 추정하기 위한 순서도.
도 22는 대안의 일 실시예에 따른 잡음 서브-스페이스를 추정하기 위한 순서도.
도 23은 또 다른 대안의 실시예에 따른, 잡음 서브-스페이스 추정을 위한 순서도.
도 24는 다른 하나의 대안의 실시예에 따른 잡음 서브-스페이스 추정을 위한 순서도.
도 25는 대안의 일 실시예에 따른 잡음 서브-스페이스 추정을 위한 순서도.
도 26은 일 실시예에 따라, 다양한 시스템들로부터 범위 측정을 이용한 하이브리드 위치 추정의 블록도표.
도 27은 일 실시예에 따라, 다양한 시스템들로부터 위치 추정들을 이용한 하이브리드 위치 추정의 블록도표.
도 28은 일 실시예에 따라, 다양한 시스템들로부터 범위 및 위치 추정들읠 조합을 이용한 하이브리드 위치 추정의 블록도표.
도 29는 일 실시예에 따라, GSNN/WAPS 위치의 품질 및/또는 속도 추정이 양호할 때 센서들의 드리프팅 바이어스 교정을 돕기 위해 WAPS/GSNN 시스템들로부터의 위치/속도 추정치들이 피드백되는 하이브리드 위치 솔루션을 결정하기 위한 순서도.
도 30은 일 실시예에 딸, 명백한 피드백없이, GNSS 및/또는 WAPS 유닛들의 위치/속도 연산의 일부분으로 센서 파라미터들(가령, 바이어스, 스케일, 및 드리프트)이 추정되는 하이브리드 위치 솔루션을 결정하기 위한 순서도.
도 31은 일 실시예에 따라, 개별 위치 연산 유닛들로부터 센서 교정이 분리되는 하이브리드 위치 솔루션을 결정하기 위한 순서도.
도 32는 일 실시예에 따라, 개별 위치 연산 유닛들의 상태의 일부분으로 센서 파라미터 추정이 수행되는 하이브리드 위치 솔루션을 결정하기 위한 순서도.
도 33은 일 실시예 하에서, WAPS 및 그외 다른 시스템들 간의 정보 교환 도면.
도 34는 일 실시예에서, FM 수신기 및 WAPS 수신기 간의 위치, 주파수, 시간 추정들의 교환을 나타내는 블록도표.
도 35는 일 실시예에 따른, WLAN/BT 송신기와 WAPS 수신기 간의 위치, 시간, 그리고 주파수 추정의 교환을 나타내는 블록도표.
도 36은 일 실시예에 따른, 셀룰러 트랜시버와 WAPS 수신기 간의 위치, 시간, 그리고 주파수 추정들의 교환을 나타내는 블록도표.
도 37은 일 실시예에 따른, 세션 키 셋업의 블록도표.
도 38은 일 실시예에 따른, 암호화의 순서도.
도 39은 대안의 실시예에 따른, 암호화용 보안 구조의 블록도표.
Claims (2)
- 위치 결정 신호를 송출하는 복수의 송신기들을 포함하는 송신기 네트워크와,
상기 위치 결정 신호 및 위성 신호들 중 적어도 하나를 획득 및 추적하는 원격 수신기로서, 상기 위성 신호들은 위성-기반 위치 결정 시스템의 신호들이고, 상기 원격 수신기의 제 1 동작 모드는 단말기-기반 위치 결정을 포함하며, 단말기-기반 위치 결정 방식에서는 상기 원격 수신기가 위치 결정 신호 및 위성 신호들 중 적어도 하나로부터 원격 수신기의 위치를 연산하는, 상기 원격 수신기와,
상기 원격 수신기에 연결되는 서버로서, 상기 원격 수신기의 제 2 동작 모드는 네트워크-기반 위치 결정을 포함하고, 네트워크-기반 위치 결정 방식에서는 상기 서버가 위치 결정 신호 및 위성 신호들 중 적어도 하나로부터 원격 수신기의 위치를 연산하며, 상기 원격 수신기는 위치 결정 신호 및 위성 신호들 중 적어도 하나를 수신하여 서버에 전달하는, 상기 서버
를 포함하는 위치 결정 시스템. - 위치 결정 신호 및 위성 신호들 중 적어도 하나를 원격 수신기에서 수신하는 단계로서, 위치 결정 신호들은 복수의 송신기들을 포함하는 송신기 네트워크로부터 수신되고, 위성 신호들은 위성-기반 위치 결정 시스템으로부터 수신되는, 단계와,
단말기-기반 위치 결정 및 네트워크-기반 위치 결정 중 하나를 이용하여 원격 수신기의 위치를 결정하는 단계로서, 단말기-기반 위치 결정은 위치 결정 신호 및 위성 신호 중 적어도 하나를 이용하여 원격 수신기에서 원격 수신기의 위치를 연산하는 과정을 포함하고, 네트워크-기반 위치 결정은 위치 결정 신호 및 위성 신호들 중 적어도 하나를 이용하여 원격 서버에서 원격 수신기의 위치를 연산하는 과정을 포함하는, 단계
를 포함하는 위치 결정 방법.
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