Local area network assisted positioning
First Claim
1. A method for assisting in locating a position of a mobile wireless device, the method comprising:
- obtaining, at the mobile wireless device, base station identifiers identifying a plurality of base stations visible from the mobile wireless device, the plurality of base stations comprising at least one cooperative terrestrial base station that can communicate with the mobile wireless device in at least one mode and at least one uncooperative WiFi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device, wherein the uncooperative WiFi terrestrial base station is configured to acknowledge a message received from the mobile wireless device;
sending, from the mobile wireless device to an almanac processor, an approximate location of the mobile wireless device, the approximate location comprising the base station identifiers;
receiving, at the mobile wireless device, an almanac of base stations comprising at least some of the base station identifiers, and base station locations that correspond to the at least some of the base station identifiers; and
determining a location of the mobile wireless device, at the mobile wireless device, using one or more of the base station identifiers and one or more of the base station locations, at least one first identifier for and first location of a base station within communication range of the mobile wireless device, or at least one second identifier for and second location of an uncooperative terrestrial base station configured to acknowledge a message received from the mobile wireless device, or a combination thereof, contained in the almanac of base stations.
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0 Petitions
Accused Products
Abstract
A method for assisting in locating a position of a mobile wireless device comprises: obtaining visible-station indications identifying base stations that are visible from the mobile wireless device, the base stations comprising at least one cooperative terrestrial base station and at least one uncooperative WiFi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device; sending, to an almanac processor, an indication of an approximate location of the mobile wireless device that comprises the visible-station indications; receiving an almanac of base stations comprising at least some of the visible-station indications and location indications indicating locations of the base stations visible from the mobile wireless device that correspond to the at least some of the visible-station indications; and determining a location of the mobile wireless device using the location indications.
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Citations
26 Claims
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1. A method for assisting in locating a position of a mobile wireless device, the method comprising:
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obtaining, at the mobile wireless device, base station identifiers identifying a plurality of base stations visible from the mobile wireless device, the plurality of base stations comprising at least one cooperative terrestrial base station that can communicate with the mobile wireless device in at least one mode and at least one uncooperative WiFi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device, wherein the uncooperative WiFi terrestrial base station is configured to acknowledge a message received from the mobile wireless device; sending, from the mobile wireless device to an almanac processor, an approximate location of the mobile wireless device, the approximate location comprising the base station identifiers; receiving, at the mobile wireless device, an almanac of base stations comprising at least some of the base station identifiers, and base station locations that correspond to the at least some of the base station identifiers; and determining a location of the mobile wireless device, at the mobile wireless device, using one or more of the base station identifiers and one or more of the base station locations, at least one first identifier for and first location of a base station within communication range of the mobile wireless device, or at least one second identifier for and second location of an uncooperative terrestrial base station configured to acknowledge a message received from the mobile wireless device, or a combination thereof, contained in the almanac of base stations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A mobile wireless device comprising:
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means for obtaining base station identifiers identifying a plurality of base stations visible from the mobile wireless device, the plurality of base stations comprising at least one cooperative terrestrial base station that can communicate with the mobile wireless device in at least one mode and at least one uncooperative WiFi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device, wherein the uncooperative WiFi terrestrial base station is configured to acknowledge a message received from the mobile wireless device; means for sending, to an almanac processor, an approximate location of the mobile wireless device, the approximate location comprising the base station identifiers; means for receiving an almanac of base stations comprising at least some of the base station identifiers, and base station locations that correspond to the at least some of the base station identifiers; and means for determining a location of the mobile wireless device using one or more of the base station identifiers and one or more of the base station locations, at least one first identifier for and first location of a base station within communication range of the mobile wireless device, or at least one second identifier for and second location of an uncooperative terrestrial base station configured to acknowledge a message received from the mobile wireless device, or a combination thereof, contained in the almanac of base stations. - View Dependent Claims (11, 12, 13, 14)
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15. A mobile wireless device comprising:
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a communication interface; and a processor communicatively coupled to the communication interface and configured to; obtain, via the communication interface, base station identifiers identifying a plurality of base stations visible from the mobile wireless device, the plurality of base stations comprising at least one cooperative terrestrial base station that can communicate with the mobile wireless device in at least one mode and at least one uncooperative WiFi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device, wherein the uncooperative WiFi terrestrial base station is configured to acknowledge a message received from the mobile wireless device; send, to an almanac processor via the communication interface, an approximate location of the mobile wireless device, the approximate location comprising the base station identifiers; receive, via the communication interface, an almanac of base stations comprising at least some of the base station identifiers, and base station locations that correspond to the at least some of the base station identifiers; and determine a location of the mobile wireless device using one or more of the base station identifiers and one or more of the base station locations, at least one first identifier for and first location of a base station within communication range of the mobile wireless device, or at least one second identifier for and second location of an uncooperative terrestrial base station configured to acknowledge a message received from the mobile wireless device, or a combination thereof, contained in the almanac of base stations. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A non-transitory computer-readable medium, having stored thereon computer-readable instructions for assisting in locating a position of a mobile wireless device, the computer-readable instructions being configured to cause a computer to:
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obtain, at the mobile wireless device, base station identifiers identifying a plurality of base stations visible from the mobile wireless device, the plurality of base stations comprising at least one cooperative terrestrial base station that can communicate with the mobile wireless device in at least one mode and at least one uncooperative WiFi terrestrial base station capable of bi-directional communications and configured to prevent data and/or voice communications with the mobile wireless device, wherein the uncooperative WiFi terrestrial base station is configured to acknowledge a message received from the mobile wireless device; send, from the mobile wireless device to an almanac processor, an approximate location of the mobile wireless device, the approximate location comprising the base station identifiers; receive, at the mobile wireless device, an almanac of base stations comprising at least some of the base station identifiers, base station locations that correspond to the at least some of the base station identifiers; and determine a location of the mobile wireless device, at the mobile wireless device, using one or more of the base station identifiers and one or more of the base station locations, at least one first identifier for and first location of a base station within communication range of the mobile wireless device, or at least one second identifier for and second location of an uncooperative terrestrial base station configured to acknowledge a message received from the mobile wireless device, or a combination thereof, contained in the almanac of base stations. - View Dependent Claims (23, 24, 25, 26)
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Specification