Geographical navigation using multipath wireless navigation signals
First Claim
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1. A method of navigating using a multipath wireless signal, the method comprising the steps of:
- providing navigation information indicative of a geographical location;
receiving a multipath navigation signal;
relating the multipath signal to the geographical location; and
navigating using the multipath signal based on the relationship.
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Abstract
A wireless navigational system and process utilize multipath wireless signals normally discarded from the navigation solution to enhance navigational performance under a range of operational scenarios. A relationship between the receiver'"'"'s location and one or more multipath signals is established, facilitating subsequent navigation using the multipath signal(s).
32 Citations
31 Claims
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1. A method of navigating using a multipath wireless signal, the method comprising the steps of:
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providing navigation information indicative of a geographical location;
receiving a multipath navigation signal;
relating the multipath signal to the geographical location; and
navigating using the multipath signal based on the relationship. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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13. An apparatus for navigating using a multipath wireless signal, the apparatus comprising:
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circuitry for providing a geographical location;
a receiver receiving a wireless multipath navigation signal;
circuitry for relating the multipath signal to the geographical location; and
circuitry for navigating using the multipath signal based on the relationship.
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Specification