Adaptive dynamic technique for multi-path signal processing
First Claim
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1. A method for improving signal processing of a mobile receiver located in a vehicle in the presence of multipath distortion, the method comprising the steps of:
- determining a speed of the vehicle;
collecting signal information on a selected received signal that is received by the mobile receiver, the collected signal information providing an indication of the quality of the received signal; and
modifying at least one time constant associated with processing of the collected signal information responsive to the determined speed.
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Abstract
A mobile receiver, located within a vehicle, exhibits improved signal processing in the presence of multi-path distortion. Initially, the speed of the vehicle is determined. Next, signal information on a selected signal received by the mobile receiver is collected. The collected signal information provides an indication of the quality of the received signal. Then, at least one time constant associated with the processing of the collected signal information is modified responsive to the determined speed.
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Citations
26 Claims
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1. A method for improving signal processing of a mobile receiver located in a vehicle in the presence of multipath distortion, the method comprising the steps of:
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determining a speed of the vehicle;
collecting signal information on a selected received signal that is received by the mobile receiver, the collected signal information providing an indication of the quality of the received signal; and
modifying at least one time constant associated with processing of the collected signal information responsive to the determined speed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A mobile receiver that exhibits improved signal processing in the presence of multipath distortion, the mobile receiver being located within a vehicle, the mobile receiver comprising:
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a tuner module;
a signal quality circuit coupled to the tuner module;
a memory subsystem for storing information; and
a processor coupled to the memory subsystem and the signal quality circuit, the processor executing code for causing the processor to perform the steps of;
determining a speed of the vehicle;
collecting signal information on a selected signal received by the mobile receiver, wherein the collected signal information is provided by the signal quality circuit and provides an indication of the quality of the received signal; and
modifying at least one time constant associated with processing of the collected signal information responsive to the determined speed. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An automotive subsystem that includes a mobile receiver that exhibits improved signal processing in the presence of multipath distortion, the mobile receiver being located within a motor vehicle, the mobile receiver comprising:
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a tuner module;
a signal quality circuit coupled to the tuner module;
a memory subsystem for storing information;
at least one of a vehicle sensor and a ground positioning system (GPS) receiver for providing an indication of the speed of the vehicle; and
a processor coupled to the memory subsystem, the signal quality circuit and the at least one of a vehicle sensor and a ground positioning system (GPS) receiver, the processor executing code for causing the processor to perform the steps of;
determining a speed of the vehicle;
collecting signal information on a selected signal received by the mobile receiver, wherein the collected signal information is provided by the signal quality circuit and provides an indication of the quality of the received signal; and
modifying at least one time constant associated with processing of the collected signal information responsive to the determined speed. - View Dependent Claims (20, 21, 22)
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23. A mobile receiver that exhibits improved signal processing in the presence of multipath distortion, the mobile receiver being located within a vehicle, the mobile receiver comprising:
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a tuner module;
a signal quality circuit coupled to the tuner module; and
a control circuit coupled to the signal quality circuit, the control circuit performing the steps of;
determining a speed of the vehicle;
collecting signal information on a selected signal received by the mobile receiver, wherein the collected signal information is provided by the signal quality circuit and provides an indication of the quality of the received signal; and
modifying at least one time constant associated with processing of the collected signal information responsive to the determined speed. - View Dependent Claims (24, 25, 26)
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Specification