System and method for estimating separation distance between impulse radios using impulse signal amplitude
First Claim
Patent Images
1. A method for locating an impulse radio, comprising:
- communicating impulse signals between a first impulse radio and a plurality of second impulse radios;
performing a received signal strength measurement for each of the impulse signals;
selecting one of a plurality of radio propagation path models;
estimating a separation distance between the first impulse radio and each of the plurality of second impulse radios based on a corresponding one of the received signal strength measurements and the radio propagation path model to produce a plurality of separation distances; and
determining a location relating to the first impulse radio based on the plurality of separation distances.
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Abstract
A method and system are provided for locating an impulse radio. Impulse radio signals are communicated between a first impulse radio and a plurality of second impulse radios. A received signal strength measurement is determined for each of the impulse radio signals. One of a plurality of radio propagation path models is selected and used to estimate a plurality of separation distances between the first impulse radio and the plurality of second impulse radios. The plurality of separation distances is used to determine a location relating to the first impulse radio.
121 Citations
24 Claims
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1. A method for locating an impulse radio, comprising:
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communicating impulse signals between a first impulse radio and a plurality of second impulse radios; performing a received signal strength measurement for each of the impulse signals; selecting one of a plurality of radio propagation path models; estimating a separation distance between the first impulse radio and each of the plurality of second impulse radios based on a corresponding one of the received signal strength measurements and the radio propagation path model to produce a plurality of separation distances; and determining a location relating to the first impulse radio based on the plurality of separation distances. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for locating an impulse radio transmitter, comprising:
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transmitting an impulse signal from the impulse radio transmitter; receiving the impulse signal at each of a plurality of impulse radio receivers; performing a received signal strength measurement for the impulse signal at each of the plurality of impulse radio receivers; selecting one of a plurality of radio propagation path models; estimating a separation distance between each of the plurality of impulse radio receivers and the impulse radio transmitter based on a corresponding one of the received signal strength measurements and the selected radio propagation path model to produce a plurality of separation distances; and determining a location relating to the impulse radio transmitter based on the plurality of separation distances.
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12. A method for locating an impulse radio receiver, comprising:
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transmitting an impulse signal from a plurality of impulse radio transmitters; receiving the impulse signals at the impulse radio receiver; performing a received signal strength measurement for each of the impulse signals; selecting one of a plurality of radio propagation path models; estimating a separation distance between each of the plurality of impulse radio transmitters and the impulse radio receiver based on a corresponding one of the received signal strength measurements and the selected radio propagation path model to produce a plurality of separation distances; and determining a location relating to the impulse radio receiver based on the plurality of separation distances.
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13. A system for locating an impulse radio, comprising:
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a first impulse radio; and a plurality of second impulse radios communicating impulse signals with said first impulse radio; at least one received signal strength indicator that performs a received signal strength measurement for the impulse signals; at least one signal evaluator that selects one of a plurality of radio propagation path models; and at least one processor that estimates a separation distance between the first impulse radio and each of the plurality of second impulse radios based on a corresponding one of the received signal strength measurements and the selected radio propagation path model to produce a plurality of separation distances, said plurality of separation distances being used for determining a location relating to the first impulse radio. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A system for locating an impulse radio transmitter, comprising:
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a plurality of impulse radio receivers for receiving an impulse signal transmitted from the impulse radio transmitter; at least one received strength signal indicator that performs a received signal strength measurement on the impulse signal at each of the plurality of impulse radio receivers; at least one signal evaluator that selects one of a plurality of radio propagation path models; and at least one processor that estimates a separation distance between each of the plurality of impulse radio receivers and the impulse radio transmitter based on a corresponding one of the received signal strength measurements and the selected radio propagation path model to produce a plurality of separation distances, said plurality of separation distances being used for determining a location relating to the impulse radio transmitter.
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24. A system for locating an impulse radio receiver, comprising:
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a plurality of impulse radio transmitters each transmitting an impulse signal; an impulse radio receiver for receiving the impulse signals; a received signal strength indicator that performs a received signal strength measurement for each of the impulse signals; a signal evaluator that selects one of a plurality of radio propagation path models; and a processor that estimates a separation distance between each of the plurality of impulse radio transmitters and the impulse radio receiver based on a corresponding one of the received signal strength measurements and the selected radio propagation path model to produce a plurality of separation distances, said plurality of separation distances being used for determining a location relating to the impulse radio receiver.
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Specification