(54)
`
`(75)
`
`(12) United States Patent
`Karr et al.
`
`(10) Patent N0.:
`(45) Date of Patent:
`
`US 7,764,231 B1
`Jul. 27, 2010
`
`US007764231B1
`
`WIRELESS LOCATION USING MULTIPLE
`MOBILE STATION LOCATION TECHNIQUES
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`Inventors: Charles L. Karr, Tuscaloosa, AL (US);
`Dennis J. Dupray, Denver, CO (US)
`
`(73)
`
`Assignee: TracBeam LLC, Golden, CO (US)
`
`(*)
`
`Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(21)
`
`(22)
`
`(86)
`
`Appl. No.:
`
`09/194,367
`
`PCT Filed:
`
`Sep. 8, 1997
`
`PCT No.:
`
`PCT/US97/15892
`
`§ 371 (0X1)’
`(2), (4) Date:
`
`Nov. 24, 1998
`
`(87)
`
`PCT Pub. No.: WO98/10307
`
`PCT Pub. Date: Mar. 12, 1998
`
`(60)
`
`(51)
`
`(52)
`
`(58)
`
`Related U.S. Application Data
`
`Provisional application No. 60/025,855, ?led on Sep.
`9, 1996, provisional application No. 60/044,821, ?led
`on Apr. 25, 1997, provisional application No. 60/056,
`590, ?led on Aug. 20, 1997.
`
`Int. Cl.
`(2006.01)
`G01S 3/02
`(2006.01)
`H04Q 7/20
`U.S. Cl. ..................... .. 342/457; 342/450; 342/453;
`455/456.1; 455/456.6
`Field of Classi?cation Search ............... .. 342/450,
`342/453, 457, 357.06, 357.02, 357.09, 357.14;
`701/213, 215; 455/456.1*456.3, 456544566
`See application ?le for complete search history.
`
`3,646,580 A
`
`2/1972 Fuller et al. ................. .. 325/53
`(Continued)
`FOREIGN PATENT DOCUMENTS
`
`EP
`
`O 177 203 A2
`9/1985
`(Continued)
`OTHER PUBLICATIONS
`CC Docket No. 94-102, Before the Federal Communications Com
`mission, in the Matter of Revision of the Commission’s Rules to
`Ensure Compatibility with Enhanced 911 Emergency Calling Sys
`tems; “Comments of Harris Government Communication Systems
`Division A Division of Harris Corporation”, ?led Sep. 25, 1996.
`(Continued)
`Primary ExamineriDao L Phan
`
`ABSTRACT
`(57)
`A hybridWireless location system and method is disclosed for
`locating mobile stations (MSs). Multiple Wireless location
`techniques (FOMs) are provided for MS location. One or
`more FOMs can be activated in various combinations (seri
`ally or parallelly) for outputting one or more MS location
`estimates With signal protocols, e.g., CDMA, TDMA, or
`GSM. Resulting location estimates may be for, e.g.: 911
`emergency calls, tracking, navigation, people and animal
`location, and] or applications for con?nement to andlor exclu
`sion from geographical areas. System components may be
`distributed on a network (e.g., the Internet). FOMs may be
`based on one or more of: TOA, TDOA, AOA, signal pattern
`recognitionl?ngerprinting, statistical analysis, base station
`coverage, GPS signals received at the MS, andlor input from
`mobile stations. Location estimates are enhanced by adjust
`ing MS estimates (and/or con?dences therefor) according to:
`a past performance of the FOM providing such estimates,
`and/or MS geolocation or velocity constraints.
`
`232 Claims, 62 Drawing Sheets
`
`SIGNAL
`PROCESSING
`sussvsrzmnl
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`
`LOCATION
`INFORMATION
`on ases
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`, ~'
`
`LOCATION
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`
`
`» P
`
`ORDER cons
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`ENVIRONMENTAL DATA PROVIDERS
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`
`Apple Inc. Exhibit 1001 Page 1
`
`

`
`US 7,764,231 B1
`Page 2
`
`US. PATENT DOCUMENTS
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`342/458
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`5,208,756 A
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`5,212,765 A
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`5,212,804 A
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`
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`455/541
`5,293,645 A
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`.243/357
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`5,394,435 A
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`
`Apple Inc. Exhibit 1001 Page 2
`
`

`
`US 7,764,231 B1
`Page 3
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`5,917,866 A
`6/1999 Pon ................ ..
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`7/1999 Van Huben et al.
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`7/1999 Krellenstein
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`7/1999 Green ...... ..
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`8/1999 Alamoutiet al. .... ..
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`9/1999 Woolley ...... ..
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`4/2000 Maloney et al. ........... .. 455/456
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`5/2000 Reichlen ...... ..
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`5/2000 Wax et al. ................. .. 342/417
`6,064,339 A
`5/ 2000 Johnson et al. ........... .. 701/213
`6,064,942 A
`8/2000 Bergen ........ ..
`. 455/456
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`8/2000 Beal ......................... .. 370/336
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`8/2000 Jayaraman et al. ........ .. 455/456
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`8/2000 Ishizuka et al.
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`11/2001 Fitch et al. ...... ..
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