METHOD AND SYSTEM FOR DETERMINING A POSITION FIX INDOORS
First Claim
1. A method for communication, the method comprising:
- in a mobile device;
receiving location information transmitted from a RF communication device in a building whenever said mobile device is within proximity of said RF communication device, wherein said transmitted location information comprises altitude information of said RF communication device; and
determining at least an altitude of said mobile device based on said received location information.
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Accused Products
Abstract
Whenever a mobile device in a building is within proximity of a RF communication device, the mobile device may be operable to receive location information transmitted, for example by broadcasting it, from a RF communication device. The transmitted location information comprises altitude information of the RF communication device. At least an altitude of the mobile device may be determined based on the received altitude information of the RF communication device. The RF communication device may be located in an elevator car and/or on a particular floor in the building. Whenever the RF communication device is located in the elevator car, the altitude information of the RF communication device may be received by the RF communication device from an elevator controller. In instances when the RF communication device also transmits its latitude/longitude (LAT/LON), the mobile device may be operable to determine a 3-dimentional (3D) location of the mobile device.
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Citations
22 Claims
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1. A method for communication, the method comprising:
in a mobile device; receiving location information transmitted from a RF communication device in a building whenever said mobile device is within proximity of said RF communication device, wherein said transmitted location information comprises altitude information of said RF communication device; and determining at least an altitude of said mobile device based on said received location information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for communication, the system comprising:
one or more processors and/or circuits for use in a mobile device, said one or more processors and/or circuits being operable to; receive location information transmitted from a RF communication device in a building whenever said mobile device is within proximity of said RF communication device, wherein said transmitted location information comprises altitude information of said RF communication device; and determine at least an altitude of said mobile device based on said received location information. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
Specification