Turn-by-turn navigation system and method using feedforward location estimation
First Claim
1. A system for providing turn-by-turn internal navigation comprising:
- at least one mobile device comprising;
at least one receiver for receiving a plurality of radio frequency (RF) signal types;
a display; and
at least one microprocessor for executing the step of;
receiving at least one of a Bluetooth low energy (BLE) signal, a Wifi signal or a cellular signal;
determining a least two in-building geographic points based on receipt of the at least one of the BLE signal, Wifi signal or cellular signal;
executing cyclical feedforward estimation position verification via redundant data collection for determining position calculation though available BLE, WiFi, or cellular signals readily available at a point in time;
utilizing dead reckoning navigation in combination with results from the step of executing to generate positional information;
providing building turn-by-turn navigation instructions to a selectable in-building location; and
displaying the turn-by-turn navigation instructions on a map generated on the mobile device.
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Accused Products
Abstract
A turn-by-turn internal navigation system for use with a mobile electronic device includes three receives for using a trilateration navigational algorithm using first receiver for receiving a cellular tower radio frequency (RF) signal, a second receiver for receiving a WiFi RF signal; and a third receiver for receiving at least one Bluetooth RF signal based upon a BLE tag network. A processor works to execute an algorithm using feed-forward estimation such that no feedback is needed for distance error correction. The algorithm uses dead reckoning navigation in combination with information from the first receiver, second receiver and third receiver to generate positional information such that in-building navigation instructions are displayed on the mobile electronic device.
33 Citations
9 Claims
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1. A system for providing turn-by-turn internal navigation comprising:
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at least one mobile device comprising; at least one receiver for receiving a plurality of radio frequency (RF) signal types; a display; and at least one microprocessor for executing the step of; receiving at least one of a Bluetooth low energy (BLE) signal, a Wifi signal or a cellular signal; determining a least two in-building geographic points based on receipt of the at least one of the BLE signal, Wifi signal or cellular signal; executing cyclical feedforward estimation position verification via redundant data collection for determining position calculation though available BLE, WiFi, or cellular signals readily available at a point in time; utilizing dead reckoning navigation in combination with results from the step of executing to generate positional information; providing building turn-by-turn navigation instructions to a selectable in-building location; and displaying the turn-by-turn navigation instructions on a map generated on the mobile device. - View Dependent Claims (2, 3)
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4. A method for providing turn-by-turn internal navigation for use with a mobile device comprising the steps of:
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receiving at least one of a first Bluetooth low energy (BLE) signal, a Wifi signal or a cellular signal; determining a least two in-building geographic points based on receipt of the at least one of the first BLE signal, Wifi signal or cellular signal; executing cyclical feedforward estimation position verification via redundant data collection for determining position calculation though available BLE, WiFi, or cellular signals readily available at a point in time; utilizing dead reckoning navigation in combination with results from the step of executing to generate positional information; providing building turn-by-turn navigation instructions to a selectable in-building location; and displaying the turn-by-turn navigation instructions on a map generated on the mobile device. - View Dependent Claims (5, 6, 7)
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8. A method for determining turn-by-turn navigation information displayed on an mobile device comprising the steps of:
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receiving a cellular tower radio frequency (RF) signal, a WiFi signal, or a Bluetooth signal using the receiver on the mobile device; and executing trilateration navigation using feedforward estimation having at least one coefficient modifier and uses the equation;
Distance=exp( 1/10*log(10)*(RSSI+A)/(n*(C1+C2+C3)))
where;A is the RSSI for a given beacon @ 1 meter n is the signals effectiveness; and C1, C2, C3—
are coefficients from adaptives. - View Dependent Claims (9)
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Specification