System for determining position of mobile communication terminal and method thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01S-019/46
G01S-019/48
G01S-019/09
출원번호
US-0255237
(2005-10-21)
등록번호
US-RE43356
(2012-05-08)
우선권정보
KR-2000-81711 (2000-12-26)
발명자
/ 주소
Kim, Hyong-Won
출원인 / 주소
LG Electronics Inc.
대리인 / 주소
McKenna Long & Aldridge LLP
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
A position determination system of a hybrid method, which is capable of complementing the problems of a position determination method, in which a global positioning system (GPS) is used, and a position determination method, in which a mobile communication signal is used, by combining the above two m
A position determination system of a hybrid method, which is capable of complementing the problems of a position determination method, in which a global positioning system (GPS) is used, and a position determination method, in which a mobile communication signal is used, by combining the above two methods with each other, is provided. Also, it is possible to improve the reliability and the correctness in determining the position of a mobile communication terminal using a dispersing type hybrid position calculation method and a centralized hybrid position calculation method.
대표청구항▼
1. A system for determining thea position of a mobile communication terminal transmitting a mobile communication signal, comprising: a global positioning system (GPS) engine, built-in athe mobile terminal, the GPS engine for measuringreceiving a transmission signal of a GPS satellite and calculating
1. A system for determining thea position of a mobile communication terminal transmitting a mobile communication signal, comprising: a global positioning system (GPS) engine, built-in athe mobile terminal, the GPS engine for measuringreceiving a transmission signal of a GPS satellite and calculating a pseudo range between athe GPS satellite and the mobile terminal;a plurality of signal measuring apparatus for measuring thea reception angle and thea delay time of athe mobile communication signal; anda position calculation server for calculating the position of the mobile terminal using the pseudo range corrected by the error correction data of aassociated with the GPS satellite signal and the reception angle and the delay time of the mobile communication signal. 2. The system of claim 1, further comprising a GPS receiver for receiving the transmission signal of the GPS satellite signal and periodically outputting the error correction data and the GPS satellite data ofrelated to the GPS satellite signal. 3. The system of claim 1, further comprising: a mobile communication signal server for storing the reception angle and the delay time measured by the plurality of signal measuring apparatus; anda geographical information server, in which various geographical data items matching a position calculation result are stored. 4. The system of claim 1, wherein the position calculation server comprises: a pseudo range corrector for correcting athe pseudo range using the error correction data;a first position calculator for calculating the position of the mobile terminal byon the basis of the corrected pseudo range;a second position calculator for calculating the position of the mobile terminal using the reception angle and the delay time of the mobile communication signal;a position calculation filter for calculating the optimal position of the mobile terminal on the basis of the position calculations of the first and second position calculators; anda map match portion for matching the geographical data of a geographical information server to the calculation result ofposition calculated by the position calculation filter and generating various position information items. 5. The system of claim 1, wherein the position calculation server comprises: thea pseudo range corrector for correcting the pseudo range using the error correction data;thea position calculation filter for calculating the position of the mobile terminal using the corrected pseudo range and the reception angle and the delay time of the mobile communication signal; andthea map match portion for matching the geographical data of thea geographical information server to the calculation result ofposition calculated by the position calculation filter and generating the various position information items. 6. A system for determining thea position of a mobile terminal transmitting a mobile communication signal, comprising: a mobile terminal, in which a GPS engine is loaded;a plurality of signal measuring apparatus for measuring thea reception angle and thea delay time of athe mobile communication signal;a GPS receiver for receiving thea transmission signal of a GPS satellite and measuring theperiodically outputting error correction data and the GPS satellite data of arelated to the GPS satellite signal;a pseudo range corrector for correcting thea pseudo range measuredcalculated by the GPS engine using the error correction data;a first position calculator for calculating the position of the mobile terminal byon the basis of the corrected pseudo range;a second position calculator for calculating the position of the mobile terminal using the reception angle and the delay time of the mobile communication signal; anda position calculation filter for calculating the optimal position of the mobile terminal on the basis of the calculation resultsposition calculations of the first and second position calculators. 7. The system of claim 6, further comprising: thea geographical information server for storing various geographical data items; andthea map match portion for matching the geographical data of the geographical information server to the position calculation result ofcalculated by the position calculation filter and generating various position information items. 8. A system for determining thea position of a mobile communication terminal transmitting a mobile communication signal, comprising: a mobile terminal, in which a GPS engine is loaded;a plurality of signal measuring apparatus for measuring thea reception angle and thea delay time of athe mobile communication signal;a GPS receiver for receiving thea transmission signal of a GPS satellite and measuring theperiodically outputting error correction data and the GPS satellite data of arelated to the GPS satellite signal;a pseudo range corrector for correcting thea pseudo range calculated by the GPS engine using the error correction data; anda position calculation filter for calculating the position of the mobile terminal using the corrected pseudo range and the reception angle and the delay time of the mobile communication signal. 9. The system of claim 8, further comprising: thea geographical information server for storing various geographical data items; andthea map match portion for matching the geographical data of the geographical information server to the position calculation result ofcalculated by the position calculation filter and generating various position information items. 10. A method for determining thea position of a mobile communication terminal transmitting a mobile communication signal, comprising the steps of: (a) receiving a pseudo range between a GPS satellite and athe mobile terminal;(b) receiving thea reception angle and thea delay time of athe mobile communication signal;(c) correcting the pseudo range using the error correction data of arelated to the GPS satellite signal; and(d) calculating the position of the mobile terminal using the corrected pseudo range and the reception angle and the delay time of the mobile communication signal. 11. The method of claim 10, further comprising the steps of matching the position calculation result to the geographical data and generating position information for providing various geographical information services. 12. The method of claim 10, further comprising the step of periodically receiving the error correction data and the GPS satellite information ofdata related to the GPS satellite signal from thea GPS receiver. 13. The method of claim 10, wherein the reception angle and the delay time are stored in thea mobile communication signal server. 14. MethodThe method of claim 10, wherein the step (d) comprises the steps of: (d1) calculating the position of the mobile terminal byon the basis of the corrected pseudo range;(d2) calculating the position of the mobile terminal using the reception angle and the delay time of the mobile communication signal; and(d3) calculating the optimal position of the mobile terminal on the basis of the calculation results obtained by the steps (d1) and (d2). 15. The method of claim 10, wherein, in the step (d3), if the position of the mobile communication terminal iscannot be calculated on the basis of the calculation results obtained by steps (d1) and (d2), then the step (d) further comprises:using the reception angle and the delay time of the mobile communication signalcalculating the position of the mobile terminal on the basis of the calculation result obtained in either (d1) or (d2). 16. A method for determining thea position of a mobile communication terminal transmitting a mobile communication signal, comprising the steps of: (a) receiving a pseudo range between a GPS satellite and athe mobile terminal;(b) receiving thea reception angle and thea delay time of athe mobile communication signal;(c) correcting the pseudo range using the error correction data of arelated to the GPS satellite signal;(d) calculating the position of the mobile terminal using the corrected pseudo range;(e) calculating the position of the mobile terminal using the reception angle and the delay time of the mobile communication signal;(f) calculating the optimal position of the mobile terminal on the basis of the calculation results obtained by the steps (d) and (e); and(g) matching the final position calculation resultof the mobile terminal to the geographical data and generating position information for providing geographical information services. 17. A mobile communication terminal comprising: a global positioning system (GPS) engine, the GPS engine for measuring a pseudo range between a GPS satellite and the mobile communication terminal, the mobile communication terminal transmitting a mobile communication signal, wherein the mobile communication terminal is a part of a system comprising:a plurality of signal measuring apparatus; anda position calculation server for calculating the position of the mobile terminal using the pseudo range corrected by error correction data associated with the GPS satellite and a measurement associated with the plurality of signal measuring apparatus, wherein the measurement is based on information that includes a delay time of the mobile communication signal. 18. The mobile communication terminal according to claim 17, wherein if the position calculation server cannot use the measurement associated with the plurality of signal measuring apparatus and the corrected pseudo range for calculating the position of the mobile communication terminal, the position of the mobile communication terminal is calculated from either the measurement associated with the plurality of signal measuring apparatus or the corrected pseudo range. 19. The mobile communication terminal according to claim 17, wherein the system further comprises a GPS receiver for receiving a transmission signal of the GPS satellite and periodically outputting the error correction data and GPS satellite data related to the GPS satellite. 20. The mobile communication terminal according to claim 17, wherein the system further comprises: a mobile communication signal server for storing the measurement associated with the plurality of signal measuring apparatus; anda geographical information server, in which various geographical data items matching a position calculation result are stored. 21. The mobile communication terminal according to claim 17, wherein the position calculation server comprises: a pseudo range corrector for correcting the pseudo range using the error correction data;a first position calculator for calculating the position of the mobile terminal using the corrected pseudo range;a second position calculator for calculating the position of the mobile terminal using the measurement associated with the plurality of signal measuring apparatus;a position calculation filter for calculating the position of the mobile terminal on the basis of the position calculations of the first and second position calculators; anda map match portion for matching geographical data of a geographical information server to the position calculated by the position calculation filter and generating various position information items. 22. The mobile communication terminal according to claim 17, wherein the position calculation server comprises: a pseudo range corrector for correcting the pseudo range using the error correction data;a position calculation filter for calculating the position of the mobile terminal using the corrected pseudo range and the measurement associated with the plurality of signal measuring apparatus; anda map match portion for matching geographical data of a geographical information server to the position calculated by the position calculation filter and generating various position information items. 23. A mobile communication terminal including a GPS engine, the mobile communication terminal transmitting a mobile communication signal and being a part of a system comprising: a plurality of signal measuring apparatus;a GPS receiver for receiving a transmission signal of a GPS satellite and periodically outputting error correction data and GPS satellite data related to the GPS satellite;a pseudo range corrector for correcting a pseudo range calculated by the GPS engine using the error correction data;a first position calculator for calculating the position of the mobile communication terminal on the basis of the corrected pseudo range;a second position calculator for calculating the position of the mobile communication terminal using a measurement associated with the plurality of signal measuring apparatus, wherein the measurement is based on information that includes a delay time of the mobile communication signal; anda position calculation filter for calculating the position of the mobile communication terminal on the basis of the position calculations of the first and second position calculators. 24. The mobile communication system according to claim 23, wherein if the position calculation filter cannot use the measurement associated with the plurality of signal measuring apparatus from the second position calculator and the corrected pseudo range of the first position calculator to calculate the position of the mobile communication terminal, the position of the mobile communication terminal is calculated from either the measurement associated with the plurality of signal measuring apparatus of the second position calculator or the corrected pseudo range of the first position calculator. 25. The mobile communication system according to claim 23, wherein the system further comprises: a geographical information server for storing various geographical data items; anda map match portion for matching the geographical data of the geographical information server to the position calculated by the position calculation filter and generating various position information items. 26. A method for determining a position of a mobile communication terminal transmitting a mobile communication signal, comprising: (a) receiving a pseudo range between a GPS satellite and the mobile terminal;(b) receiving a measurement associated with a plurality of signal measuring apparatus, wherein the measurement is based on information that includes a delay time of the mobile communication signal;(c) correcting the pseudo range using error correction data related to the GPS satellite; and(d) calculating the position of the mobile terminal using the corrected pseudo range and the measurement associated with the plurality of signal measuring apparatus. 27. The method according to claim 26, further comprising matching the position calculation result to geographical data and generating position information for providing geographical information services. 28. The method according to claim 26, further comprising periodically receiving the error correction data and GPS satellite data related to the GPS satellite from a GPS receiver. 29. The method according to claim 26, wherein the measurement associated with the plurality of signal measuring apparatus is stored in a mobile communication signal server. 30. The method according to claim 26, wherein the step (d) comprises: (d1) calculating the position of the mobile terminal on the basis of the corrected pseudo range;(d2) calculating the position of the mobile terminal using the measurement associated with the plurality of signal measuring apparatus; and(d3) calculating the position of the mobile terminal on the basis of the calculation results obtained by the steps (d1) and (d2). 31. The method according to claim 26, wherein, in the step (d3), if the position of the mobile communication terminal cannot be calculated on the basis of the calculation results obtained by steps (d1) and (d2), then the step (d3) further comprises: calculating the position of the mobile terminal on the basis of the calculation result obtained in either (d1) or (d2). 32. The method according to claim 16, wherein, in the step (f), if the position of the mobile terminal cannot be calculated on the basis of the calculation results obtained by the steps (d) and (e), then calculating the position of the mobile terminal on the basis of the calculation result obtained in either step (d) or step (e).
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이 특허에 인용된 특허 (8)
Watters J. Michael,CAX ; Strawczynski Leo,CAX ; Steer David G.,CAX, Combining GPS with TOA/TDOA of cellular signals to locate terminal.
Eschenbach Ralph, Method and apparatus for collecting, processing and distributing differential global positioning system information using the internet.
Grell Conrad ; Guralnick Jeremy ; Rothmuller Ilan J. ; Bennett Chris ; Theiss-Aird Michael, Method and apparatus for determining location of a subscriber device in a wireless cellular communications system.
Horkin Philip R. (Phoenix AZ) Ma Stephen C. (Mesa AZ) Durboraw ; III Isaac N. (Scottsdale AZ) Muncaster George W. (Phoenix AZ), Position locating and communication system using multiple satellite constellations.
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