Self monitoring GPS on mobile device
First Claim
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1. A method of acquiring GPS position on a mobile wireless communication device for a wireless communications network, said mobile wireless communication device possessing wireless communications capability for said wireless communications network and an embedded GPS Global Positioning System (GPS) module for GPS capability, said method comprising:
- setting a current value of a period of a power-up phase of said GPSadaptively predicting when said GPS module should be powered on to meet specifications on at least one of positioning accuracy and GPS acquisition time, said adaptively predicting when said GPS module should be powered on being dependent on a current radio position and error of said mobile wireless communication device in the wireless network, said position error being determined from the wireless communications network and adaptive predictions of when said GPS should be powered on to meet specifications on positioning accuracy and GPS acquisition time, said wireless communications network being different from said GPS.
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Abstract
A method, a mobile device arid a computer program product for acquiring GPS on a mobile device possessing GPS capability are disclosed. The method comprises the step of setting a current value of the period of the power-up phase of the GPS dependent upon adaptive predictions of when the GPS should be powered on to meet specifications on positioning accuracy and GPS acquisition time.
30 Citations
39 Claims
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1. A method of acquiring GPS position on a mobile wireless communication device for a wireless communications network, said mobile wireless communication device possessing wireless communications capability for said wireless communications network and an embedded GPS Global Positioning System (GPS) module for GPS capability, said method comprising:
setting a current value of a period of a power-up phase of said GPSadaptively predicting when said GPS module should be powered on to meet specifications on at least one of positioning accuracy and GPS acquisition time, said adaptively predicting when said GPS module should be powered on being dependent on a current radio position and error of said mobile wireless communication device in the wireless network, said position error being determined from the wireless communications network and adaptive predictions of when said GPS should be powered on to meet specifications on positioning accuracy and GPS acquisition time, said wireless communications network being different from said GPS. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 37)
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12. A mobile wireless communication device for a wireless communications network, said mobile wireless communication device possessing wireless communications capability for said wireless communications network, said mobile wireless communication device comprising:
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a processor; a memory coupled to said processor; an embedded GPS Global Positioning System (GPS) module coupled to said processor providing a GPS capability for said mobile wireless communication device; and means for setting a current value of a period of a power-up phase of said GPS adaptively predicting when said GPS module should be powered on to meet specifications on at least one of positioning accuracy and GPS acquisition time, said adaptively predicting when said GPS module should be powered on being dependent on the current radio a position and error of said mobile wireless communication device in the wireless network, said position error being determined from the wireless communications network and adaptive predictions of when said GPS should be powered on to meet specifications on positioning accuracy and GPS acquisition time, said wireless communications network being different from said GPS. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 38)
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23. A computer program product for a mobile wireless communication device for a wireless communication network, said mobile wireless communication device possessing wireless communications capability for said wireless communications network and an embedded GPS Global Positioning System (GPS) module for GPS capability, said computer program product having a computer readable medium storing a computer program for acquiring GPS position on said mobile wireless communication device, comprising:
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computer program code means for interfacing with the GPS capability of said mobile wireless communication device; and computer program code means for setting a current value of the period of the power-up phase of said GPS adaptively predicting when said GPS module should be powered on to meet specifications on at least one of positioning accuracy and GPS acquisition time said adaptively predicting when said GPS module should be powered on being dependent on a current radio position and error of said mobile wireless communication device in the wireless network, said position error being determined from the wireless communications network and adaptive predictions of when said GPS should be powered on to meet specifications on positioning accuracy and GPS acquisition time, said wireless communications network being different from said GPS. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 39)
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34. A method of acquiring GPS position on a mobile device for a wireless network, said mobile device possessing wireless communications capability for said wireless network and GPS having a Global Positioning System (GPS) module possessing GPS capability, said method comprising the steps of:
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usingdetermining a position error of said mobile device in the wireless network, the position error being determined from the wireless network, said wireless communications network being different from said GPS; ifupon being determined that the position error is too large, adjusting a current value of a period of a power-up phase of said GPS module downward; ifupon being determined that the position error is too small, adjusting the current value of said period of the power-up phase of said GPS module upward; estimating using a neural network a new value of said period of the power-up phase of said GPS module dependent upon said position error; and setting a the new value of said period of the power-up phase of said GPS to a weighted value dependent upon an acceptable error bound. - View Dependent Claims (36)
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35. A method of acquiring GPS position on a mobile device for a wireless network, said mobile device possessing wireless communications capability for said wireless network and GPS having a Global Positioning System (GPS) module processing GPS capability, said method comprising the steps of:
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usingdetermining an acquisition time at a last position fix of the mobile device in the wireless network, the last position fix being determined from the wireless network, said wireless communications network being different from said GPS; ifupon being determined that the acquisition time is too large, adjusting a current value of a period of a power-up phase of said GPS module downward; ifupon being determined that the acquisition time is too small, adjusting the current value of said period of the power-up phase of said GPS module upward; estimating using a neural network a new value of said period of the power-up phase of said GPS module dependent upon said acquisition time; and setting a the new value of said period of the power-up phase of said GPS module to a weighted value dependent upon an acceptable bound.
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Specification