[특허]Dual satellite navigation system and method

Dual satellite navigation system and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-007/185 G01S-005/02 G01S-003/02
출원번호	US-0702900 (1991-05-20)
발명자 / 주소	Ames William G. (Poway CA) Jacobs Irwin M. (La Jolla CA) Weaver Jr. Lindsay A. (San Diego CA) Gilhousen Klein S. (San Diego CA)
출원인 / 주소	Qualcomm Incorporated (San Diego CA 02)
인용정보	피인용 횟수 : 101 인용 특허 : 0

초록 ▼

A system and method for determining the position of an airborne object, using a fixed station and a pair of earth orbit satellites whose positions are known. Separate periodic signals are transmitted from the fixed station via the first and second satellites to the object whose position is to be determined. The phase offset in periodic characteristics of the periodic signals as received from the first and second satellites is measured at the object. The phase offset corresponds to a realtive time difference in propagation of the signals traveling two different paths to the object. The object transmits via the first satellite a return signal indicative of the measured relative time difference. This return signal is activated some time in the future according to the object local time, which is slaved to receipt of the periodic signal sent through the first satellite. This future time is the start of the particular time period as decided by the fixed station\s schedule. At the fixed station, an instantaneous round trip delay, determined by the time offset of the current transmission clock time relative to the receive clock time of reception of the return signal, along with the measured relative time difference sent back on the return signal, is used to calculate the distances between the first and second satellites to the object. From these distances, along with the combined altitude of the object with the distance from the surface of the earth to the center of the earth, the position of the object is calculated.

대표청구항 ▼

A method of airborne object position determination using a pair of earth orbiting satellites (S1 and S2) and a fixed station whose positions are known in an Earth-Centered-Earth-Fixed (ECEF) coordinate frame and in which the distance from the center of the earth to any location on the surface of the earth (L3s) is known within said ECEF coordinate frame, comprising the steps of: simultaneously transmitting from a fixed station first and second forward periodic signals, synchronized to a fixed station forward transmission clock, via first and second satellites (S1 and S2) respectively to an object whose position is to be determined; receiving said first and second forward signals at said object, said first forward signal bearing information indicative of a future time frame at which said object will begin transmitting a return signal according to an object clock synchronized to said first forward signal as received at said object; measuring at said object a percent phase offset of a total modulation period between similar portions of received carrier modulation of said first and said second forward signals, said percent offset corresponding to a first relative time difference in said first and second forward signals as received at said object; transmitting from said object via said first satellite to said fixed station said return signal encoded with information indicative of said first relative time difference; measuring at said fixed station a round trip delay where said round trip delay is a second relative time difference between said fixed station forward transmission clock and a fixed station return reception clock synchronized with said return signal as received at said fixed station; calculating a first distance (L1) from said first satellite to said object according to said round trip delay; calculating a second distance (L2) from said second satellite to said object according to said round trip delay and said first relative time difference; measuring an altitude (L3a) of said object from a location on the surface of the earth; combining said measured altitude (L3a) with a known distance from said location to the center of the earth (L3s) to obtain a third distance (L3); and calculating a position of said object within said ECEF coordinate frame according to said first, second and third distances.

이 특허를 인용한 특허 (101)

Dai Jin ; Levanon Nadav,ILX ; Ames Bill ; Victor Ed ; Determan Jim, Accurate range and range rate determination in a satellite communications system.
상세보기
Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Adaptive pattern recognition based controller apparatus and method and human-interface therefore.
상세보기
Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Alarm system controller and a method for controlling an alarm system.
상세보기
Leonard N. Schiff, Apparatus and method for paging a user terminal in a satellite communication system.
상세보기
Keillor Sharon A. ; Weaver Frederick Michael, Asset monitoring system and associated method.
상세보기
Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
상세보기
Lomp,Gary; Ozluturk,Fatih; Kowalski,John, Automatic power control system for a code division multiple access (CDMA) communications system.
상세보기
Uddenfeldt Jan E.,SEX ; Raith Alex K.,SEX, Cellular digital mobile radio system and method of transmitting information in a digital cellular mobile radio system.
상세보기
Wiedeman Robert A. (Los Altos CA) Sites Michael J. (Fremont CA), Closed loop power control for low earth orbit satellite communications system.
상세보기
Wiedeman Robert A. ; Sites Michael J., Closed loop power control for low earth orbit satellite communications system.
상세보기
Wiedeman Robert A. ; Sites Michael J., Closed loop power control for low earth orbit satellite communications system.
상세보기
Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
상세보기
Yung,Kar; Hagen,Frank A.; Feria,Ying; Chang,Donald C. D., Coherent phase synchronous code division multiple access communications from multiple transponder platforms.
상세보기
Chang, Donald C. D.; Yung, Kar W.; Cheng, David C.; Hagen, Frank A.; Chang, Ming U.; Novak, III, John I., Coherent synchronization of code division multiple access signals.
상세보기
Chang,Donald C. D.; Beatson,Grant J.; Lim,Wah L.; Chang,Ming U., Communication system using multiple link terminals.
상세보기
Chang,Donald C. D.; Lim,Wah L.; Chang,Ming U., Communication system using multiple link terminals.
상세보기
Chang,Donald C. D.; Lim,Wah L.; Chang,Ming U., Communication system using multiple link terminals for aircraft.
상세보기
Chang,Donald C. D.; Lim,Wah L.; Chang,Ming U., Communication system using multiple link terminals for aircraft.
상세보기
Chang, Donald C. D.; Cha, Alan, Concurrent communications between a user terminal and multiple stratospheric transponder platforms.
상세보기
Fan, Rui; Wang, Min, Cooperative traffic scheduling.
상세보기
Hoffberg, Steven M., Detection and alert of automobile braking event.
상세보기
Feria, Ying; Chang, Ming; Chang, Donald, Dynamic cell CDMA code assignment system and method.
상세보기
Briskman Robert D. ; Nelson Robert A., Efficient high latitude service area satellite mobile broadcasting systems.
상세보기
Briskman, Robert D.; Nelson, Robert A., Efficient high latitude service area satellite mobile broadcasting systems.
상세보기
Orr,Richard S., Embedded chirp signal for position determination in cellular communication systems.
상세보기
Dai Jin, Fast user terminal position determination in a satellite communications system.
상세보기
Nadav Levanon IL, Fine positioning of a user terminal in a satellite communication system.
상세보기
Jan E. Uddenfeldt SE; Alex K. Raith, Handover method for mobile radio system.
상세보기
Jan E. Uddenfeldt SE; Alex K. Raith, Handover method for mobile radio system.
상세보기
Uddenfeldt Jan E.,SEX ; Raith Alex K., Handover method for mobile radio system.
상세보기
Uddenfeldt Jan-Erik,SEX ; Raith Alex K., Handover method for mobile radio system.
상세보기
Hager James R., Interferomeric synthetic aperture radar altimeter.
상세보기
Stratton Donald A., Interferometric trajectory reconstruction technique for flight inspection of radio navigation aids.
상세보기
Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Internet appliance system and method.
상세보기
Sadr, Ramin; Carano, Bandel Louis, Location based services for RFID and sensor networks.
상세보기
Gilkes, Alan M.; Panasik, Carl M., Location estimation in narrow bandwidth wireless communication systems.
상세보기
Sullivan Mark, Low-power satellite-based geopositioning system.
상세보기
Ozluturk, Fatih; Lomp, Gary R.; Kowalski, John, Method and apparatus for adaptive power control for spread-spectrum communications.
상세보기
Hawkes Kelly Davidson ; Koehler Jeffrey Lynn, Method and apparatus for mobile emitter location.
상세보기
Wiedeman, Robert A.; Monte, Paul A.; Sites, Michael J., Method and apparatus providing suppression of system access by use of confidence polygons, volumes and surfaces in a mobile satellite system.
상세보기
Ozluturk, Fatih; Lomp, Gary, Method and subscriber unit for performing power control.
상세보기
Aloi, Daniel N.; Schwinke, Steven P.; Stefan, Jeffrey M., Method and system for determining a navigating vehicle location.
상세보기
Chang Donald C. D. ; Yung Kar W. ; Nunan William J. ; Cheng David C. ; Shuman Bruce E., Method and system for determining a position of a transceiver in a communications network.
상세보기
Donald C. D. Chang ; Kar W. Yung ; John I. Novak, III ; Robert R. Holden, Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration.
상세보기
Donald C. D. Chang ; Kar W. Yung ; John I. Novak, III ; William Goliff, Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration including a ground radar.
상세보기
Chang, Donald C. D.; Yung, Kar W.; Novak, III, John I.; Holden, Robert R., Method and system for determining a position of an object using two-way ranging in a polystatic satellite configuration.
상세보기
Yung Kar W. ; Cheng David C. ; Chang Donald C. D., Method and system for incorporating two-way ranging navigation as a calibration reference for GPS.
상세보기
Soliman, Samir S., Method of and system for signal analysis in a wireless communications system.
상세보기
Fattouche Michel,CAX ; Klukas Richard,CAX ; Oler Kevin,CAX, Methods and apparatus to position a mobile receiver using downlink signals part IV.
상세보기
Fattouche Michel,CAX ; Klukas Richard,CAX, Methods and apparatus to position a mobile receiver using downlink signals, part I.
상세보기
Fattouche Michel,CAX, Methods and apparatus to position a mobile receiver using downlink signals, part II.
상세보기
Landry,Benjamine Joel; Kelly,James Francis, Methods of attribute collection for mapping.
상세보기
Chang, Donald C. D.; Feria, Ying; Wang, Weizheng; Cha, Alan G.; Chang, Ming U.; Hagen, Frank A.; Yung, Kar W., Micro cell architecture for mobile user tracking communication system.
상세보기
Hoffberg, Steven M., Mobile communication device.
상세보기
Hoffberg, Steven M., Mobile communication device for delivering targeted advertisements.
상세보기
Briskman Robert D. (North Bethesda MD), Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems.
상세보기
Hagen,Frank A.; Flammang,Richard; Yung,Kar W.; Chang,Donald C. D., Multi-node point-to-point satellite communication system employing multiple geo satellites.
상세보기
Chang,Ming U.; Yung,Kar W.; Hagen,Frank A.; Chang,Donald C. D., Multi-node wireless communication system with multiple transponding platforms.
상세보기
Yung, Kar W.; Hagen, Frank A.; Chang, Donald C. D., Multi-platform wireless communication system for a variety of different user types.
상세보기
Yung, Kar W.; Hagen, Frank A.; Chang, Donald C. D., Multi-platform wireless communication system for a variety of different user types.
상세보기
Wiedeman, Robert A., Multiple satellite fade attenuation control system.
상세보기
Fattouche Michel,CAX ; Borsodi Andrew,CAX ; Klukas Richard,CAX, Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I.
상세보기
Chang, Donald C. D., Overlapping subarray patch antenna system.
상세보기
Chang, Donald C. D.; Yung, Kar W.; Cheng, David C.; Chang, Ming U.; Hagen, Frank A., Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS.
상세보기
Levanon Nadav,ILX, Positioning determination using one low-Earth orbit satellite.
상세보기
Mayersak Joseph R., Precision guidance system for aircraft launched bombs.
상세보기
Sadr, Ramin; Stephens, Scott; Jones, Christopher, Radio frequency identification tag location estimation and tracking system and method.
상세보기
Sadr, Ramin; Stephens, Scott; Jones, Christopher, Radio frequency identification tag location estimation and tracking system and method.
상세보기
Mitchell Scott ; Cubbedge Skip, Real time precision orbit determination system.
상세보기
Yung,Kar W.; Hagen,Frank A.; Chang,Donald C. D., Resource allocation method for multi-platform communication system.
상세보기
Chang,Donald C. D.; Yung,Kar W.; Von der Embse,Urban A., Sampling technique for digital beam former.
상세보기
Yee David Moon ; Bickley Robert Henry ; Zucarelli Philip John ; Keller Theodore Woolley ; Osman Jeff Scott ; Derr Randall Keith, Satellite based commercial and military intercity and intercontinental air traffic control.
상세보기
Briskman Robert D., Satellite broadcast receiver system.
상세보기
Karabinis, Peter D., Satellite communications systems and methods using substantially co-located feeder link antennas.
상세보기
Gallagher Vijaya K ; Monte Paul A ; Wiedeman Robert A, Satellite controlled power control for personal communication user terminals.
상세보기
Gallagher Vijaya K ; Monte Paul A ; Wiedeman Robert A, Satellite controlled power control for personal communication user terminals.
상세보기
Hershey John Erik ; Hladik Stephen Michael ; Saulnier Gary Jude, Spacecraft TDMA communications system with synchronization by spread spectrum overlay channel.
상세보기
Chang, Donald C. D.; Lim, Wah L.; Chang, Ming U., Stratospheric platform based surface vehicle tracking and mobile data network.
상세보기
Chang, Donald C. D.; Chang, Ming U.; Feria, Ying; Wang, Weizheng; Cha, Alan; Yung, Kar W.; Hagen, Frank A., Stratospheric platforms based mobile communications architecture.
상세보기
Hagen, Frank A.; Yung, Kar W.; Feria, Ying; Chang, Donald C. D., Synchronization method and apparatus for multi-platform communication system.
상세보기
Heine, Frank; Motzigemba, Matthias; Seel, Stefan, System and method for determining the position of a communication platform.
상세보기
Brosius, Jay; Kilfeather, James B.; Burtner, Richard, System and method for dual-mode location determination.
상세보기
Brosius, Jay; Kilfeather, James B.; Burtner, Richard, System and method for dual-mode location determination.
상세보기
Sullivan, Mark C.; Kilfeather, James B., System and method for fast acquisition position reporting.
상세보기
James B. Kilfeather ; Mark C. Sullivan, System and method for fast acquisition reporting using communication satellite range measurement.
상세보기
Sullivan, Mark C., System and method for fast code phase and carrier frequency acquisition in GPS receiver.
상세보기
Sullivan, Mark C., System and method for fast code phase and carrier frequency acquisition in GPS receiver.
상세보기
Sullivan,Mark C., System and method for fast code phase and carrier frequency acquisition in GPS receiver.
상세보기
Sullivan,Mark C., System and method for fast code phase and carrier frequency acquisition in GPS receiver.
상세보기
Sullivan,Mark C., System and method for fast code phase and carrier frequency acquisition in GPS receiver.
상세보기
Sullivan,Mark C., System and method for fast code phase and carrier frequency acquisition in GPS receiver.
상세보기
Sullivan, Mark C.; Kilfeather, James B., System and method for rapid telepositioning.
상세보기
Stilp Louis A. (Broomall PA) Knight Curtis A. (Washington DC) Webber John C. (Herndon VA), System for locating a source of bursty transmissions cross reference to related applications.
상세보기
Sadr, Ramin; Ali, Andreas Mantik; Vila Casado, Andres I.; Jones, Christopher, Systems and methods for compressive sensing ranging evaluation.
상세보기
Sadr, Ramin; Jones, Christopher Richard, Systems and methods for detecting patterns in spatio-temporal data collected using an RFID system.
상세보기
Hawkes Kelly D. ; Koehler Jeffrey L., Time difference of arrival measurement system.
상세보기
Lomp, Gary; Ozluturk, Fatih; Silverberg, Avi, Transferring voice and non-voice data.
상세보기
Höhnke, Thorsten, Transmitting device and method of overlaying signals with the device.
상세보기
Levanon Nadav,ILX ; Victor Edward B. ; Vembu Sridhar, Unambiguous position determination using two low-earth orbit satellites.
상세보기
Yung, Kar; Hagen, Frank A.; Chang, Donald C. D., User positioning technique for multi-platform communication system.
상세보기
Fattouche Michel T.,CAX ; Klukas Richard W.,CAX ; Borsodi Andrew L.,CAX ; Astridge Mark,CAX ; Lachapelle Gerard J.,CAX ; Zaghloul Hatim,CAX, Wireless location system.
상세보기

IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Dual satellite navigation system and method 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (101)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

연합인증

Dual satellite navigation system and method 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (101)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트