SYSTEMS AND METHODS FOR USING ENVIRONMENTAL INFORMATION IN A HYBRID POSITIONING SYSTEM
First Claim
1. A method for determining the position of a WLAN and satellite positioning system enabled device using characteristics of the environment in which the device is located, the method comprising:
- detecting WLAN APs in range of the device;
obtaining environmental characteristics from a reference database based on the WLAN APs detected by the device; and
determining whether to use the WLAN or satellite positioning system based on the environmental characteristics.
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Abstract
This disclosure describes systems and methods for using environmental information in a hybrid positioning system. Some embodiments relate to a method for determining the position of a WLAN and satellite positioning system enabled device using characteristics of the environment in which the device is located, the method can include detecting WLAN APs in range of the device, obtaining environmental characteristics from a reference database based on the WLAN APs detected by the device, and determining whether to use the WLAN or satellite positioning system based on the environmental characteristics.
118 Citations
12 Claims
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1. A method for determining the position of a WLAN and satellite positioning system enabled device using characteristics of the environment in which the device is located, the method comprising:
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detecting WLAN APs in range of the device; obtaining environmental characteristics from a reference database based on the WLAN APs detected by the device; and determining whether to use the WLAN or satellite positioning system based on the environmental characteristics. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A user device having a hybrid positioning system for determining the location of a device using characteristics of the environment in which the device is located, the system comprising:
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a positioning module comprising; a WLAN module for receiving information from one or more WLAN access points, including environmental characteristics; and a satellite positioning module for obtaining satellite information; and logic located in the positioning module for determining whether to use the WLAN or satellite positioning system based on the environmental characteristics. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification