Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04B-007/185
출원번호
US-0080537
(2005-03-16)
발명자
/ 주소
Pitt,Lance Douglas
Lamprecht,Leslie Johann
Martin,Jeffrey Thomas
출원인 / 주소
TeleCommunication Systems, Inc.
인용정보
피인용 횟수 :
27인용 특허 :
4
초록▼
Locating satellites (e.g., GPS) are culled into a sub-plurality based largely on dwell time within an inverted cone above a relevant site in communication with a wireless device. A first inverted cone having a first base angle is defined above a first site, a second inverted cone having a second bas
Locating satellites (e.g., GPS) are culled into a sub-plurality based largely on dwell time within an inverted cone above a relevant site in communication with a wireless device. A first inverted cone having a first base angle is defined above a first site, a second inverted cone having a second base angle is defined above a second site. If the second site is farther from an equator of Earth than the first site, then the second inverted cone is made to have a base angle larger than a base angle of the first inverted cone. If the first site is farther from the equator of Earth than the second site, then the first inverted cone is made to have a base angle larger than a base angle of the second inverted cone. The span of the inverted cone over the site closest to the equator may be limited.
대표청구항▼
What is claimed is: 1. A method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices, comprising: defining a first inverted cone above a first site, said first inverted cone having a first base angle; and defining a second inverted
What is claimed is: 1. A method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices, comprising: defining a first inverted cone above a first site, said first inverted cone having a first base angle; and defining a second inverted cone above a second site, said second inverted cone having a second base angle; wherein if said second site is farther from an equator of Earth than said first site, then said second inverted cone is made to have a base angle larger than a base angle of said first inverted cone; and if said first site is farther from said equator of Earth than said second site, then said first inverted cone is made to have a base angle larger than a base angle of said second inverted cone. 2. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, further comprising: calculating an ellipsoid arc path of each of said plurality of locating satellites within said first inverted cone at a given time; and calculating an ellipsoid arc path of each of said plurality of locating satellites within said second inverted cone at said given time. 3. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, further comprising: calculating a distance of each of said ellipsoid arc paths within said first inverted cone; and calculating a distance of each of said ellipsoid arc paths within said second inverted cone. 4. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 2, further comprising: calculating a time for each of said plurality of locating satellites to traverse said calculated distance within said first inverted cone; and calculating a time for each of said plurality of locating satellites to traverse said calculated distance within said second inverted cone. 5. The method of culling a plurality of locating satellites to a sub-plurality for communication by a plurality of wireless devices according to claim 3, further comprising: determining a change in speed component of each of said plurality of locating satellites based on a point of a respective orbit of each of said plurality of locating satellites with respect to Earth. 6. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, wherein: said first inverted cone is defined by a first base station; and said second inverted cone is defined by a second base station. 7. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, wherein: said first inverted cone is defined by a first wireless device; and said second inverted cone is defined by a second wireless device. 8. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, wherein said first wireless device and said second wireless device each comprise: a cell phone. 9. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, wherein said plurality of locating satellites each comprise: a Global Positioning Satellite (GPS). 10. The method of culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 1, further comprising: defining a third inverted cone above a third site, said third inverted cone having a third base angle. 11. Apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices, comprising: means for defining a first inverted cone above a first site, said first inverted cone having a first base angle; and means for defining a second inverted cone above a second site, said second inverted cone having a second base angle; wherein if said second site is farther from an equator of Earth than said first site, then said means for defining said second inverted cone defines said second inverted cone to have a base angle larger than a base angle of said first inverted cone; and if said first site is farther from said equator of Earth than said second site, then said means for defining said first inverted cone defines said first inverted cone to have a base angle larger than a base angle of said second inverted cone. 12. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 11, further comprising: means for calculating an ellipsoid arc path of each of said plurality of locating satellites within said first inverted cone at a given time; and means for calculating an ellipsoid arc path of each of said plurality of locating satellites within said second inverted cone at said given time. 13. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 11, further comprising: means for calculating a distance of each of said ellipsoid arc paths within said first inverted cone; and means for calculating a distance of each of said ellipsoid arc paths within said second inverted cone. 14. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 12, further comprising: means for calculating a time for each of said plurality of locating satellites to traverse said calculated distance within said first inverted cone; and means for calculating a time for each of said plurality of locating satellites to traverse said calculated distance within said second inverted cone. 15. The apparatus for culling a plurality of locating satellites to a sub-plurality for communication by a plurality of wireless devices according to claim 12, further comprising: means for determining a change in speed component of each of said plurality of locating satellites based on a point of a respective orbit of each of said plurality of locating satellites with respect to Earth. 16. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 11, wherein: said means for defining a first inverted cone is comprised in a first base station; and said means for defining a second inverted cone is comprised in a second base station. 17. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 11, wherein: said means for defining a first inverted cone is comprised in a first wireless device; and said means for defining a second inverted cone is comprised in a second wireless device. 18. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 17, wherein said first wireless device and said second wireless device each comprise: a cell phone. 19. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 17, wherein: said first wireless device and said second wireless device each comprise GPS enabled mobile technology. 20. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 17, wherein said first wireless device and said second wireless device each comprise: a wireless personal digital assistant (PDA). 21. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 17, wherein said first wireless device and said second wireless device each comprise: a location enabled laptop computer. 22. The apparatus for culling a plurality of locating satellites into a sub-plurality for communication by a plurality of wireless devices according to claim 11, wherein said plurality of locating satellites each comprise: a Global Positioning Satellite (GPS).
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (4)
Castelloe Michael ; Lamkin Allan ; Noerpel Anthony ; Roos Dave, Communication network initialization apparatus and method for fast GPS-based positioning.
Pitt, Lance Douglas; DeLapp, Daniel D.; Lawrence, Sarah Jean, Cellular augmented radar/laser detection using local mobile network within cellular network.
Pitt, Lance Douglas; Lamprecht, Leslie Johann; Martin, Jeffrey Thomas, Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations.
Pitt,Lance Douglas; Lamprecht,Leslie Johann; Martin,Jeffrey Thomas, Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations.
Pitt, Lance Douglas; Lamprecht, Leslie Johann; Martin, Jeffrey Thomas, Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas.
Pitt, Lance Douglas; Lamprecht, Leslie Johann; Martin, Jeffrey Thomas, Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas.
Pitt, Lance Douglas; Lamprecht, Leslie Johann; Martin, Jeffrey Thomas, Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas.
Pitt,Lance Douglas; Lamprecht,Leslie Johann; Martin,Jeffrey Thomas, Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas.
Pitt,Lance Douglas; Lamprecht,Leslie Johann; Martin,Jeffrey Thomas, Other cell sites used as reference point to cull satellite ephemeris information for quick, accurate assisted locating satellite location determination.
Pitt, Lance Douglas; DeLapp, Daniel D.; Lawrence, Sarah Jean, Transmitter augmented radar/laser detection using local mobile network within a wide area network.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.