System With Wireless Messages To Enhance Location Accuracy
First Claim
1. A method for determining a location where mobile electronic equipment is operating, comprising:
- receiving satellite navigation system signals with the mobile electronic equipment;
with the mobile electronic equipment, extracting location information from messages transmitted by stationary electronic equipment;
based on a signal strength of the satellite navigation system signals, determining whether to use the location information in addition to the satellite navigation system signals to help identify the location; and
identifying the location with the mobile electronic equipment using at least one of the satellite navigation system signals and the location information.
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Accused Products
Abstract
Electronic equipment in a system may transmit and receive wireless advertisement messages. Each wireless message may include location information and may have an associated received signal strength indicator when received from transmitting equipment by receiving equipment. The transmitting equipment may be associated with stationary equipment such as equipment installed at a building, adjacent to a road, or in traffic control equipment or other traffic structures. The receiving electronic equipment may be mobile equipment such as a vehicle or mobile computing equipment such as a cellular telephone or portable computer. Satellite navigation system signals may be received by the receiving electronic equipment in addition to the wireless messages. The receiving electronic information can present alerts to a user based on a location determined using the wireless messages and the satellite navigation system signals.
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Citations
20 Claims
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1. A method for determining a location where mobile electronic equipment is operating, comprising:
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receiving satellite navigation system signals with the mobile electronic equipment; with the mobile electronic equipment, extracting location information from messages transmitted by stationary electronic equipment; based on a signal strength of the satellite navigation system signals, determining whether to use the location information in addition to the satellite navigation system signals to help identify the location; and identifying the location with the mobile electronic equipment using at least one of the satellite navigation system signals and the location information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Electronic equipment in a vehicle that is configured to be driven at a location, the electronic equipment comprising:
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a satellite navigation system receiver that receives satellite navigation system signals; a wireless receiver that receives wireless messages containing location information from stationary transmitting electronic equipment; and control circuitry that determines whether the received satellite navigation system signals are inaccurate and identifies the location using at least one of the received satellite navigation system signals and the location information based on whether the received satellite navigation system signals are inaccurate. - View Dependent Claims (11, 12, 13, 14)
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15. A method for operating receiving electronic equipment in a vehicle that is configured to be driven at a location, the method comprising:
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with a satellite navigation system receiver in the electronic equipment, receiving a satellite navigation system signal from a global positioning system satellite; with a Bluetooth Low Energy receiver in the electronic equipment, receiving a Bluetooth Low Energy message from roadside stationary electronic equipment; with processing circuitry in the electronic equipment, determining the location using the satellite navigation system signal; with the processing circuitry in the electronic equipment, determining that the satellite navigation system signal is inaccurate; and with the processing circuitry in the electronic equipment, determining the location using a combination of the satellite navigation system signal and the Bluetooth Low Energy message only in response to determining that the satellite navigation system signal is inaccurate. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification