OSCILLATING MOBILE DEVICE POSITION DETERMINATION
First Claim
1. A method in a mobile device for determining a position associated with the mobile device, the method comprising:
- receiving location signals at the mobile device;
measuring sensor data at the mobile device;
determining an oscillation rate of the mobile device from the sensor data;
in response to the oscillation rate of the mobile device being undesirable, at least one of;
(1) determining a desired sampling rate based on the oscillation rate, the desired sampling rate being different from the oscillation rate; and
sampling the location signals at the mobile device at the desired sampling rate;
(2) sampling the location signals at the mobile device at a randomized sampling rate;
(3) disabling a power improvement technique;
(4) increasing filtering of determined course information;
(5) reducing a nominal filter bandwidth;
or(6) increasing a present sampling rate of the location signals to satisfy Nyquist criteria for the oscillation rate; and
determining the position associated with the mobile device using the location signals.
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Accused Products
Abstract
A method in a mobile device includes: receiving location signals at the mobile device; measuring sensor data at the mobile device; determining an oscillation rate of the mobile device from the sensor data; in response to the oscillation rate of the mobile device being undesirable, at least one of: (1) determining a desired sampling rate based on the oscillation rate, the desired sampling rate being different from the oscillation rate; and sampling the location signals at the mobile device at the desired sampling rate; (2) sampling the location signals at the mobile device at a randomized sampling rate; (3) disabling a power improvement technique; (4) increasing filtering of determined course information; (5) reducing a nominal filter bandwidth; or (6) increasing a present sampling rate of the location signals to satisfy Nyquist criteria for the oscillation rate; and determining the position associated with the mobile device using the location signals.
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Citations
27 Claims
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1. A method in a mobile device for determining a position associated with the mobile device, the method comprising:
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receiving location signals at the mobile device; measuring sensor data at the mobile device; determining an oscillation rate of the mobile device from the sensor data; in response to the oscillation rate of the mobile device being undesirable, at least one of; (1) determining a desired sampling rate based on the oscillation rate, the desired sampling rate being different from the oscillation rate; and sampling the location signals at the mobile device at the desired sampling rate; (2) sampling the location signals at the mobile device at a randomized sampling rate; (3) disabling a power improvement technique; (4) increasing filtering of determined course information; (5) reducing a nominal filter bandwidth;
or(6) increasing a present sampling rate of the location signals to satisfy Nyquist criteria for the oscillation rate; and determining the position associated with the mobile device using the location signals. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A mobile device comprising:
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a receiver configured to receive location signals; a sensor configured to measure sensor data; rate determining means, communicatively coupled to the sensor, for determining an oscillation rate of the mobile device from the sensor data; desirability means for determining whether the oscillation rate is undesirable; at least one of; (1) sampling rate means, communicatively coupled to the rate determining means, for determining a desired sampling rate based on the oscillation rate; and first sampling means, communicatively coupled to the sampling rate means, the desirability means, and the receiver, for sampling the location signals at the desired sampling rate in response to the desirability means determining that the oscillation rate is undesirable; (2) second sampling means, communicatively coupled to the desirability means, for sampling the location signals at a randomized sampling rate in response to the desirability means determining that the oscillation rate is undesirable; (3) disabling means, communicatively coupled to the desirability means, for disabling a power improvement technique in response to the desirability means determining that the oscillation rate is undesirable; (4) first filtering means, communicatively coupled to the desirability means, for increasing filtering of course information determined from the location signals in response to the desirability means determining that the oscillation rate is undesirable; (5) second filtering means, communicatively coupled to the desirability means, for reducing a nominal filter bandwidth in response to the desirability means determining that the oscillation rate is undesirable; (6) third sampling means, communicatively coupled to the desirability means, for increasing a present sampling rate of the location signals to satisfy Nyquist criteria for the oscillation rate in response to the desirability means determining that the oscillation rate is undesirable; and a position module configured to determine a position of the mobile device using the location signals. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A mobile device comprising:
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a receiver configured to receive location signals; a sensor configured to measure sensor data; a processor, communicatively coupled to the sensor and the receiver, configured to; determine an oscillation rate of the mobile device from the sensor data; and respond to the oscillation rate being undesirable to at least one; (1) determine a desired sampling rate based on the oscillation rate; and cause the location signals to be sampled at the desired sampling rate; (2) cause the location signals to be sampled at a randomized sampling rate; (3) disable a power improvement technique; (4) increase filtering of course information determined from the location signals; (5) reduce a nominal filter bandwidth; (6) increase a present sampling rate of the location signals to satisfy Nyquist criteria for the oscillation rate; and determine a position of the mobile device using the location signals. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A processor-readable storage medium comprising processor-readable instructions configured to cause a processor to:
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determine an oscillation rate of a mobile device from mobile device sensor data; and respond to the oscillation rate being undesirable to at least one; (1) determine a desired sampling rate based on the oscillation rate; and cause received location signals to be sampled at the desired sampling rate; (2) cause the location signals to be sampled at a randomized sampling rate; (3) disable a power improvement technique; (4) increase filtering of course information determined from the location signals; (5) reduce a nominal filter bandwidth; (6) increase a present sampling rate of the location signals to satisfy Nyquist criteria for the oscillation rate; and determine a position of the mobile device using the location signals. - View Dependent Claims (23, 24, 25, 26, 27)
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Specification