PCT
`WORLD INTELLECTUAL PROPERTY ORGANIZATION
`International Bureau
`INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT)
`WO 98/10538
`
`(11) International Publication Number:
`
`(51) International Patent Classification 6:
`H04B 7/26, 17100, H04Q 7/20, 7/22, 7/24, Al
`7/26, GOlS 3/02, H04M 11100
`
`(43) International Publication Date:
`
`12 March 1998 (12.03.98)
`
`(21) International Application Number:
`
`PCT/US97115933
`
`(22) International Filing Date:
`
`8 September 1997 (08.09.97)
`
`(30) Priority Data:
`60/025,855
`60/044,821
`Not furnished
`
`9 September 1996 (09.09.96)
`25 April 1997 (25.04.97)
`20 August 1997 (20.08.97)
`
`us
`us
`us
`
`(81) Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR,
`BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE,
`GH, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK,
`LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO,
`NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR,
`TT, UA, UG, US, UZ, VN, YU, ZW, ARIPO patent (GH,
`KE, LS, MW, SD, SZ, UG, ZW), Eurasian patent (AM, AZ,
`BY, KG, KZ, MD, RU, TJ, TM), European patent (AT, BE,
`CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL,
`PT, SE), OAPI patent (BF, BJ, CF, CG, CI, CM, GA, GN,
`ML, MR, NE, SN, TD, TG).
`
`(71)(72) Applicants and Inventors: LEBLANC, Frederick, W.
`[US/US]; 7547 Braun Street, Arvada, CO 80005 (US).
`DuPRA Y, Dennis, Jay [US/US]; 222 South Marion Park(cid:173)
`way, Denver, CO 80209 (US). KARR, Charles, L. [US/US];
`400 Sandbrook Lane, Tuscaloosa, AL 35405 (US).
`
`Published
`With international search report.
`With amended claims.
`
`(74) Agents: DuPRAY, Dennis, J. et al.; Sheridan Ross P.C., Suite Date ofpnblication of the amended claims:
`3500, 1700 Lincoln Street, Denver, CO 80203-4501 (US).
`
`4 June 1998 (04.06.98)
`
`(54) Title: LOCATION OF A MOBILE STATION USING A PLURALITY OF COMMERCIAL WIRELESS INFRASTRUCTURES
`
`CMRS#1
`
`CMRS#2
`
`12a
`
`WIRELESS LOCATION USING MULTIPLE CMRSs
`
`(57) Abstract
`
`A location system for commercial wireless telecommunication infrastructures (CMRRs). The system is an end-to-end solution having
`one or more location systems ( 42) for outputting requested locations of commercially available hand sets or mobile stations (not shown)
`based on, e.g, AMPS, NAMPS, CDMA or TDMA communication standards, for processing both local mobile station location requests
`and more global mobile station location requests via, e.g., Internet communication between a distributed network of location systems. The
`system uses a plurality of mobile station locating technologies including those based on: two-way TOA and TDOA; home base stations and
`distributed antenna provisioning. Further, the system can be modularly configured for use in location signaling environments ranging from
`urban, dense urban, suburban, rural, mountain to low traffic or isolated roadways. Accordingly, the system is useful for 911 emergency
`calls, tracking, routing, people and animal location including applications for confinement to and from certain areas.
`
`Bright House Networks - Ex. 1008, Page 1216
`
`

`
`Codes used to identify States party to the PCT on the front pages of pamphlets publishing international applications under the PCT.
`
`FOR THE PURPOSES OF INFORMATION ONLY
`
`AL
`AM
`AT
`AU
`AZ
`BA
`BB
`BE
`BF
`BG
`BJ
`BR
`BY
`CA
`CF
`CG
`CH
`Cl
`CM
`CN
`cu
`cz
`DE
`DK
`EE
`
`Albania
`Armenia
`Austria
`Australia
`Azerbaijan
`Bosnia and Herzegovina
`Barbados
`Belgium
`Burkina Faso
`Bulgaria
`Benin
`Brazil
`Belarus
`Canada
`Central African Republic
`Congo
`Switzerland
`COte d'Ivoire
`Cameroon
`China
`Cuba
`Czech Republic
`Germany
`Denmark
`Estonia
`
`ES
`FI
`FR
`GA
`GB
`GE
`GH
`GN
`GR
`HU
`IE
`IL
`IS
`IT
`JP
`KE
`KG
`KP
`
`KR
`KZ
`LC
`Ll
`LK
`LR
`
`Spain
`Finland
`France
`Gabon
`United Kingdom
`Georgia
`Ghana
`Guinea
`Greece
`Hungary
`Ireland
`Israel
`Iceland
`Italy
`Japan
`Kenya
`Kyrgyzstan
`Democratic People's
`Republic of Korea
`Republic of Korea
`Kazakstan
`Saint Lucia
`Liechtenstein
`Sri Lanka
`Liberia
`
`LS
`LT
`LU
`LV
`MC
`MD
`MG
`MK
`
`ML
`MN
`MR
`MW
`MX
`NE
`NL
`NO
`NZ
`PL
`PT
`RO
`RU
`SD
`SE
`SG
`
`Lesotho
`Lithuania
`Luxembourg
`Latvia
`Monaco
`Republic of Moldova
`Madagascar
`The former Yugoslav
`Republic of Macedonia
`Mali
`Mongolia
`Mauritania
`Malawi
`Mexico
`Niger
`Netherlands
`Norway
`New Zealand
`Poland
`Portugal
`Romania
`Russian Federation
`Sudan
`Sweden
`Singapore
`
`SI
`SK
`SN
`sz
`TD
`TG
`TJ
`TM
`TR
`TT
`UA
`UG
`us
`uz
`VN
`YU
`zw
`
`Slovenia
`Slovakia
`Senegal
`Swaziland
`Chad
`Togo
`Tajikistan
`Turkmenistan
`Turkey
`Trinidad and Tobago
`Ukraine
`Uganda
`United States of America
`Uzbekistan
`VietNam
`Yugoslavia
`Zimbabwe
`
`Bright House Networks - Ex. 1008, Page 1217
`
`

`
`W098110538
`
`PCT/US97/1S933
`
`AMENDED CLAIMS
`[received by the International Bureau on 3 April1998 (03.04.98);
`original claims 1-94 replaced by amended claims 1-79 (24 pages)]
`1. A method for locating a wireless mobile station in an
`area, wherein the area is included in a first area for a first
`
`network, and a second area for a second network, wherein:
`the first network has a first collection of one or more
`base station controllers, wherein each of the base station
`corresponding
`communications with
`control
`a
`controllers
`predetermined plurality of geographically dispersed base
`stations of
`the first network, wherein each base station
`controller of said first collection has access to operating
`characteristics of mobile stations registered with the first
`network for subscribing to a first wireless service offered by
`
`the first network,
`the second network has a second collection of one or more
`base station controllers, wherein each of the base station
`controllers
`in the second collection control communications
`with a corresponding predetermined plurality of geographically
`
`dispersed base stations of the second network, said second
`first collection,
`from said
`collection operably disjoint
`wherein each base station controller of said second collection
`has
`a more
`restricted access
`to at
`least one operating
`characteristic of mobile stations:
`(i)
`registered with
`the
`first network, and (ii) not registered with the second network
`for subscribing to a wireless service offered by the second
`
`network,
`comprising:
`signals
`data
`receiving
`to wireless
`related
`first
`communicated between a particular mobile station in the area
`and the first network, wherein said particular mobile station
`is registered with the first network;
`
`first activating first location estimator for providing a
`
`first estimate of a
`
`location of the mobile station, wherein
`
`said first location estimator is supplied with first location
`
`said first
`for deriving said first estimate,
`information
`location information at least partially derived from the first
`
`data,
`
`said location information capable of changing with a
`88
`AMENDED SHEET (ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1218
`
`

`
`W098110538
`
`PCT/US97115933
`
`change in a location of said particular mobile station;
`
`determining, from at least one of said first location
`information and said first estimate, a subset of one or more
`base station transceivers of the second network, wherein said
`subset is expected to include one or more base station
`
`transceivers:
`
`(Al) detected by said particular mobile station, and
`(A2) that detects said particular mobile station;
`
`providing the second network with said at least one
`operating characteristic of said particular mobile station
`obtained from the first network;
`
`obtaining, in response to said step of providing,
`additional location information derived at least partially
`from communications between said particular mobile station and
`
`said subset of transceivers related to wireless signals
`communicated between said particular mobile station and said
`subset of transceivers;
`
`second activating a second location estimator for providing
`a second estimate of a
`location of said particular mobile
`station, wherein said second location estimator is supplied
`with said additional location information; and
`outputting at least one of the first and second estimates
`of the location of the mobile station as an estimate of the
`location of said particular mobile station.
`
`2. A method as claimed in Claim 1, wherein said step of
`providing includes a prior step of populating a database with
`
`mobile station provisioning data,
`
`received
`
`from a customer
`
`care system used by said second network.
`
`3. A method
`
`for
`
`locating
`
`a particular wireless mobile
`
`89
`AMENDED SHEET (ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1219
`
`

`
`W098/10538
`
`PCTIUS97/15933
`
`emergen:cy
`for an
`a wireless communication
`station during
`response, wherein an area about said particular mobile station
`is included in a first area for a first wireless network, and
`for
`second wireless network,
`said
`
`second area
`a
`in
`particular mobile station registered with the first network
`for subscribing
`to
`a wireless service, wherein
`for each
`network of said first
`and
`second networks,
`the network
`includes a collection of one or more mobile switching centers,
`
`a
`
`controlling
`centers
`switching
`the mobile
`of
`each
`communications with a corresponding predetermined plurality of
`geographically dispersed base stations of
`the network,
`and
`each mobile switching center of said collection:
`(al)
`access
`to
`identification
`having
`predetermined
`identifying
`information
`for
`each mobile station registered
`said
`the
`network,
`identifying
`information
`being
`with
`accessible by the mobile switching center independently of a
`communication between the registered mobile station and
`the
`mobile switching center, and
`(a2)
`does
`not
`have
`
`emergency
`
`response
`
`to
`said
`access
`independent
`identification information for mobile stations not registered
`with the network,
`comprising:
`said
`during
`first
`receiving,
`communication, first data including:
`(bl) said predetermined
`identification
`information
`for
`identifying said particular
`mobile station, and
`(b2)
`location related data obtained from
`wireless signals communicated between said particular mobile
`station and the first
`network, wherein said location data, is
`when
`said particular mobile
`station
`
`capable of changing
`changes location;
`
`second network as
`the
`selecting
`network
`for obtaining
`from wireless
`
`a different wireless
`related data
`additional
`location
`signals
`communicated between
`said
`
`obtained
`
`particular mobile station and the second network;
`
`second receiving said additional location related data;
`
`90
`AMENDED SHEET (ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1220
`
`

`
`W098/10S38
`
`PCTIUS97/1S933
`
`determining a
`
`location estimate of said particular mobile
`
`station using one or more of said location related data and
`
`said additional location related data;
`
`outputting a
`
`location estimate of said particular mobile
`
`station, wherein said location estimate is derived using said
`
`one or more estimates.
`
`4. A method as claimed in Claim 3, wherein one or more of
`
`said steps of selecting,
`
`second receiving, activating and
`
`outputting occur during said emergency response communication.
`
`5. A method as claimed in Claim 3, wherein said step of
`
`outpu~ting includes a step of transmitting said at least one
`location estimator to a Public Safety Answering Point.
`
`6. A method as claimed in Claim 3, wherein said particular
`
`mobile station is not registered with said second wireless
`
`network.
`
`7. method as claimed in Claim 3, further including a step
`
`of requesting that said particular mobile station scan for
`detecting signals transmitted by base station transceivers of
`the second network.
`
`in Claim 7, wherein said step of
`8. method as claimed
`requesting
`includes providing
`a
`transmission
`to
`the first
`
`network, wherein said transmission instructs said particular
`mobile station
`to perform
`a
`
`scan
`
`transmitted by base
`network.
`
`station
`
`the
`
`for detecting signals
`second
`transceivers of
`
`9. Method as claimed
`
`in Claim 8, wherein said step of
`
`receiving
`
`includes determining
`
`a base station
`
`transceiver
`
`identification of a base station transceiver from the second
`
`network.
`
`91
`AMENDED SHEET (ARTICLE 19}
`
`Bright House Networks - Ex. 1008, Page 1221
`
`

`
`W098/10538
`
`PCTJUS97115933
`
`10. A method as claimed in Claim 9, wherein said location
`
`related data includes an identification of first set of one or
`
`more base station transceivers of the first network such that
`
`for each said transceiver at least one of:
`
`(a} it detects said
`
`particular mobile station, and
`
`(b)
`
`it is detected by said
`
`particular mobile station; and
`
`11.
`
`A method as claimed in Claim 10, further including a
`
`step of requesting that said transceivers of said second set
`
`scan
`
`for detecting signals
`
`transmitted by said particular
`
`mobile station.
`
`12. A method as claimed in Claim 11, wherein said step of
`
`requesting
`
`includes providing a
`
`transmission
`
`to
`
`the second
`
`network, wherein said transmission instructs said second set
`
`of
`
`transceivers
`
`to perform
`
`a
`
`scan
`
`for detecting signals
`
`transmitted by said particular base mobile station.
`
`13. A method as claimed in Claim 11, wherein said step of
`includes
`determining measurements
`of wireless
`receiving
`signals of a reverse path from said particular mobile station
`to said transceivers of said second set.
`
`14. A method as claimed in Claim 3, wherein said step of
`includes
`
`one
`least
`activating
`determining
`at
`estimator for providing at least two estimates of a
`
`location
`location
`
`of said particular mobile station, wherein each said at least
`
`one location estimator is supplied with location information
`
`derived using at least one of said location related data and
`
`said additional location related data.
`
`15. A method
`
`for
`
`locating
`
`a wireless mobile station,
`
`comprising:
`
`receiving, by a
`
`receiving means, first data related to
`
`wireless signals communicated between
`
`a particular mobile
`
`station and at
`
`least
`
`a
`
`first network of
`92
`AMENDED SHEET (ARTICLE 19)
`
`a plurality of
`
`Bright House Networks - Ex. 1008, Page 1222
`
`

`
`W098/10538
`
`PCTIUS97115933
`
`commercial mobile service provider networks, wherein for e~ch
`said network,
`there are a plurality of base stations for at
`least one of transmitting and receiving wireless signals with
`a corresponding plurality of mobile stations registered with
`the network, and wherein said particular mobile station is
`registered with said first network
`for subscribing
`to
`a
`
`wireless service;
`first activating a first location estimator for providing
`
`a first estimate of a
`
`location of said particular mobile
`
`station, wherein said first location estimator is supplied
`with first location information from said receiving means for
`deriving said_first estimate, said first location information
`including data obtained using the first data, said location
`information capable of changing with a change in a location of
`said particular mobile station;
`wherein when said location estimator supplied with said
`first location information, said first estimate is one of: {a)
`
`(b) can not be provided, (c) is not
`is deemed ambiguous,
`within a desired range of accuracy,
`and (d) has an extent
`greater than or equal to a predetermined size, then the steps
`(Al) and (A2) are performed:
`
`(All instructing said particular mobile station to
`communicate with a second network of the plurality
`of networks for supplying second data to said
`receiving means, wherein said particular mobile
`station is not registered with said second network
`for subscribing to a wireless service, and wherein
`
`said second data is [related to] derived using
`wireless signals communicated between the mobile
`station and the second network;
`
`93
`
`AMENDED SHEET (ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1223
`
`

`
`W098/10538
`
`PCTIUS97/15933
`
`(A2) second activating a second location estimator ror
`providing a second estimate of a location of said
`
`particular mobile station wherein said second
`
`location estimator is supplied with additional
`
`location information from said receiving means, said
`
`additional location information including data
`
`obtained using the second data;
`
`outputting at least one of the first and secondestimates
`
`of the location of the mobile station as an estimate of the
`
`location of the mobile station.
`
`16. A method for
`
`locating a wireless mobile station as
`
`in Claim 15, wherein
`claimed
`information and said first location information are utilized
`
`location
`
`said
`
`additional
`
`together by said location estimator.
`
`17. A method of
`
`locating a wireless mobile station as
`
`claimed
`
`in Claim 15, wherein said communication stations
`
`include wireless base stations for one of CDMA, TDMA, and GSM.
`
`18. A method of
`
`locating a wireless mobile station as
`
`claimed
`
`in Claim 17, wherein said communication stations
`
`include home base stations.
`
`19. A method of
`
`locating a wireless mobile station as
`
`claimed in Claim 15, wherein the mobile station includes one
`
`of:
`
`a
`
`CDMA
`
`transmitter,
`
`a
`
`TDMA
`
`transmitter,
`
`and
`
`a GSM
`
`transmitter, and a AMPS transmitter.
`
`20. A method for
`
`locating a wireless mobile station as
`
`claimed in Claim 15, wherein one or more of said activating
`
`steps includes:
`
`(a) said location estimator for determining whether
`
`the
`
`mobile station is detected by a communication station which
`
`communicates with the mobile station as a cordless telephone;
`
`94
`AMENDED SHEET (ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1224
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`

`
`W098/10S38
`
`PCTIUS9711S933
`
`(b) said location estimator for estimating a
`
`location of
`
`the mobile station using location information related to data
`
`from a distributed antenna system;
`
`(c) said location estimator for estimating a
`
`location of
`
`the mobile station by one of: triangulation and trilateration.
`
`21. A method for
`
`locating a wireless mobile station as
`
`claimed in Claim 15, wherein said predetermined extent is less
`
`than one thousand feet.
`
`22. A method
`
`for
`
`locating
`
`a wireless mobile station,
`
`comprising:
`first receiving first signal characteristic measurements of
`
`wireless signals communicated between a mobile station and a
`
`first network of base stations, wherein said base stations in
`
`the first network are cooperatively linked by a first wireless
`service provider for providing wireless communication;
`
`[instructing]
`
`providing
`
`to
`
`a
`
`second
`
`network
`
`of
`
`cooperatively
`
`linked base stations
`
`services to registered mobile stations
`linked by a
`second wireless service
`wireless communication so that
`the]
`
`for providing wireless
`[that are cooperatively
`
`provider for providing
`
`mobile station location
`
`obtained
`
`using
`
`characteristic
`signal
`first
`data
`measurements, wherein said second network [searches for] uses
`
`said
`
`said mobile station
`
`location data
`
`for detecting wireless
`
`signals from the mobile station, and wherein said [first and
`
`are different] mobile
`service providers
`second wireless
`station
`is
`a
`subscriber of said first wireless
`service
`
`provider's network and mobile station is not a subscriber of
`
`said second wireless service provider's network;
`
`second
`
`receiving
`
`second
`
`signal
`
`characteristic
`
`measurements of wireless signals communicated between
`
`the
`
`mobile station and said second network of base stations;
`
`estimating a
`
`location of the mobile station using said
`
`first and second signal characteristic measurements.
`
`95
`AMENDED SHEET {ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1225
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`

`
`W098110S38
`
`PCTIUS97/1S933
`
`23. A method for locating a wireless mobile station, wherein
`the mobile station communicates via wireless signals with a
`wireless network infrastructure having a plurality of spaced
`apart base stations for wireless communication with said first
`mobile station, wherein said wireless network infrastructure
`identifies said mobile station by
`a
`first
`identifier
`for
`routing substantially all of its communications to said mobile
`
`station, comprising:
`a predetermined
`transceiver at
`providing an
`in-premise
`premise address for communicating with said mobile station,
`wherein said in-premise transceiver routes substantially all
`communication
`with
`said mobile
`station
`through
`a
`communications network that identifies said mobile station by
`a
`second
`identifier different
`from said first
`identifier,
`wherein the communications network uses said second identifier
`for routing substantially all of its communications to said
`
`mobile station;
`storing information relating the premise address and said
`
`second identifier;
`a status to
`transmitting, by said in-premise transceiver,
`the communications network when
`there
`is
`a
`change as
`to
`whether said mobile station and said
`in-premise
`transceiver
`are within a range of one another to wirelessly communicate,
`wherein said status is_indicative of said change;
`in a predetermined storage, said status, wherein a
`storing,
`first value
`is stored when said mobile station is within range
`and has a
`station
`
`transceiver,
`for communicating with said in-premise
`second value which
`is
`stored when
`said mobile
`communicates with said in-premise transceiver;
`retrieving, using at least a portion of said information,
`
`said status from said predetermined storage;
`
`determining that the premise address is a location of said
`mobile station when said first value is retrieved as a value
`
`for said status.
`
`24. A method for locating a wireless mobile station, as
`AMENDED SH~&,- (ARTICLE 19)
`
`Bright House Networks - Ex. 1008, Page 1226
`
`

`
`W098110538
`
`PCTIUS97/15933
`
`claimed in Claim 23,
`
`wherein said in-premises transceiver ls a
`
`horne base station.
`
`25. A method for locating a wireless mobile station, as
`
`claimed in Claim 23, wherein said predetermined storage is
`accessible via one of: autonomous notification message and a
`
`request-response message.
`
`26. A method for locating a wireless mobile station, as
`
`claimed in Claim 23, wherein said predetermined storage is a
`
`home location register.
`
`27. A method for locating a wireless mobile station, as
`23, wherein said predetermined storage
`
`in Claim
`claimed
`includes one or more of the following data i terns related to
`
`said mobile station: mobile station identification number, in(cid:173)
`premise transceiver identification and mobile switch center
`
`identification.
`
`28. A method for locating a wireless mobile station, as
`
`transmitting
`23, wherein said step of
`in claim
`claimed
`further includes associating said change with a predetermined
`
`fixed location and said in-premise transceiver identification.
`
`29. A method for locating a wireless mobile station, as
`
`claimed
`
`in Claim 23,
`
`provisioning
`
`a
`
`including
`further
`translating database
`from
`
`a prior step of
`a
`customer care
`
`system containing the location of the in-premise transceiver.
`
`30.
`
`A method
`
`as
`
`claimed
`
`in Claim 23, wherein
`communications network is physically connected by a wire to
`
`said
`
`said in-premise transceiver for communicating with said mobile
`
`station.
`
`31. A method
`
`as
`
`claimed
`
`in Claim
`
`2 3,
`
`'dherein
`
`said
`
`communications network
`
`includes a public switched
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`network.
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`PCTIUS97/1S933
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`32. A method as claimed in Claim 23, wherein said step of
`
`includes providing
`
`a
`
`correspondence
`
`in-premise
`
`providing
`transceiver and said mobile station that is used by said
`substantially
`
`communications
`communications
`
`network
`
`for
`
`routing
`
`all
`
`to said mobile station via said
`
`in-premise
`
`transceiver.
`
`33. A method as claimed in Claim 23, wherein said steps of
`
`storing and retrieving include a step of notifying a service
`
`control point component of said communications network.
`
`34. A method as claimed in Claim 23, wherein said step of
`
`retrieving includes accessing a home
`
`location register for
`
`said mobile station.
`
`35. A method as claimed in Claim 23, wherein said step of
`
`retrieving is performed for determining when to route calls to
`
`said mobile station by said first identifier and when to route
`
`calls to said mobile station by said second identifier.
`
`36. A method as claimed in Claim 23, wherein said step of
`
`retrieving is performed for redirecting a communication
`
`to
`
`said mobile station, v-rherein said redirecting is one of:
`
`(a)
`
`from said
`
`in-premise
`
`transceiver
`
`to said wireless network
`
`infrastructure,
`
`and
`
`(b)
`
`said wireless
`infrastructure to said in-premise transceiver.
`
`from
`
`network
`
`37.
`
`A method as claimed
`
`in Claim 36, wherein said
`
`redirecting from said in-premise transceiver to said wireless
`
`network infrastructure is performed when said second value is
`
`retrieved in said step of retrieving.
`
`38.
`
`A method as claimed
`
`in Claim 36, wherein
`
`said
`
`redirecting from said wireless network infrastructure to said
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`in-premise transceiver is performed when said first value is
`retrieved in said step of retrieving.
`
`39. A method
`
`for
`
`locating
`
`a wireless mobile station,
`
`comprising:
`receiving data from wireless signals communicated between
`a mobile station and a wireless network including a plurality
`
`[a]
`
`of distributed antennas;
`detecting, using said data, that the mobile station is in
`wireless
`communication with
`said distributed antenna
`system having a plurality of antennas connected in series and
`distributed along a signal conducting line so that there is a
`predetermined and purposefully introduced signal
`time delay
`between said antennas and at predetermined locations;
`determining a plurality of signal time delay measurements
`for signals
`transmitted between
`the mobile station and
`a
`collection of some of said antennas, wherein said signals are
`also communicated through said line;
`
`location of the mobile station using said
`estimating a
`plurality of signal time delay measurements.
`
`locating a wireless mobile station as
`40. A method for
`claimed in Claim 39, wherein said step of estimating includes
`correlating each measurement of said plurality of signal time
`delay measurements with a unique corresponding one of said
`antennas.
`
`41. A method for
`
`locating a wireless mobile station as
`
`claimed in Claim 39, wherein said step of estimating includes
`performing a triangulation using values related to one of: a
`signal
`time of arrival,
`and
`a
`signal
`time difference of
`
`arrival for time difference of arrival corresponding to each
`antenna in said collection.
`
`42. A method for locating a wireless mobile station, as
`
`claimed in Claim 39 wherein said step of estimating includes a
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`;lotat::tort of said mobile
`likelJl
`a most
`step of computing
`station using a fuzzy logic computation.
`
`locating a wireless mobile station as
`43. A method for
`claimed in Claim 39, wherein said step of activating includes
`
`activating one of:
`
`(a) a location estimator for determining whether the
`mobile station is detected by a base station of
`
`the network, wherein said base station
`communicates with the mobile station as a cordless
`telephone;
`
`(b) a location estimator for estimating a location
`of the mobile station using location information
`obtained from said distributed antenna system;
`
`(c) a location estimator for estimating a location
`
`of the mobile station by one of: triangulation and
`trilateration.
`
`44. A method
`comprising:
`first receiving first signal characteristic measurements
`
`for
`
`locating
`
`a wireless mobile station,
`
`of wireless signals communicated between a mobile station and
`a first network of base stations, wherein said base stations
`in the first network are cooperatively
`linked by a
`first
`wireless
`provider
`service
`providing
`wireless
`communication;
`instructing the mobile station to search for a wireless
`signal
`from
`a
`second network of base stations
`that are
`
`for
`
`cooperatively linked by a second wireless service provider for
`
`providing wireless communication, wherein said mobile station
`is a subscriber of said first
`[and second wireless service
`providers are different] wireless service provider, and said
`
`mobile station is not a subscriber of said second wireless
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`service provider;
`receiving
`second
`the
`measurements of wireless signals communicated between
`mobile station and said second network of base stations;
`estimating a
`location of the mobile station using said first
`and second signal characteristic measurements.
`
`characteristic
`
`second
`
`signal
`
`locating a wireless mobile station as
`45. A method for
`claimed in Claim 44, wherein the mobile station is registered
`
`for a wireless communication service with the first wireless
`service provider, and the mobile station is not registered for
`the wireless communication service with
`the second wireless
`
`service provider.
`
`4 6. A method for locating a wireless mobile station as
`claimed in Claim 44, wherein said step of instructing includes
`transmitting a command to the mobile station for instructing
`
`the mobile station to search for a signal from a base station
`of said second wireless service provider
`in
`a
`frequency
`from
`frequency
`bandwidth
`for
`bandwidth
`different
`communicating with the base stations of said first wireless
`
`a
`
`service provider.
`
`locating a first mobile station,
`An apparatus for
`4 7.
`the first mobile station communicates via wireless
`wherein
`signals with a first wireless network infrastructure having:
`a plurality of spaced apart base stations
`for wireless
`
`communication with said first mobile station, wherein at least
`
`one of said first mobile station and said first wireless
`network
`infrastructure has
`a
`for obtaining
`capability
`plurality of mul tipath measurements for one of: one or more
`forward transmissions to said first mobile station,
`and one
`
`a
`
`or more reverse transmissions from said first mobile station
`
`infrastructure, and wherein
`to said first wireless network
`said multipath measurements
`are derived
`from both
`fixed
`
`clutter and variable clutter, comprising:
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`switching center also communicates with said plurality of base
`stations for receiving measurements of said radio signals,
`
`said measurements including:
`( i) first measurements of said radio signals received by
`said first mobile station in said forward radio bandwidth, and
`(ii) second measurements of said radio signals transmitted by
`said first mobile station in said reverse radio bandwidth;]
`a mobile station location determining system for locating
`said first mobile station, wherein said location determining
`system is capable of transforming
`[receives said first and
`second] values indicative of said mul tipath measurements for
`at least one of said forward transmissions and said reverse
`have
`an
`transformed values
`said
`transmissions, wherein
`from
`enhanced dependence on multipath measurements derived
`fixed clutter as compared to mul tipath measurements derived
`from variable clutter;
`wherein said mobile station
`
`location determining system
`
`includes at least one wireless location determining model for
`estimating a
`location of said first mobile station, said at
`least one model uses one or more of said transformed values;
`a means
`for
`transmitting,
`to said
`location determining
`system, said values indicative of said multipath measurements;
`a means
`for outputting,
`from said
`location determining
`system,
`a
`resulting location estimate of said first mobile
`station.
`
`48. An apparatus for locating a mobile station as claimed
`in Claim 4 7,
`further
`including a means
`for requesting data
`related to additional radio signals between said first mobile
`station and at least a second wireless network infrastructure
`
`different from said first wireless network infrastructure.
`
`4 9.
`
`An
`comprising:
`
`apparatus
`
`for
`
`locating
`
`a mobile
`
`station,
`
`a wireless network infrastructure for communicating with
`
`a plurality of mobile stations, each said mobile station for
`l02
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`W098/10S38
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`PCTIUS97/1S933
`
`tr