Satellite-based Position Determination
First Claim
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1. An apparatus, comprising:
- a wireless portion configured to receive wireless communication signals and to estimate data indicating a usage environment of the apparatus, anda satellite receiver portion configured to receive satellite position signals, wherein the apparatus is configured to adapt at least one parameter based on the data indicating a usage environment.
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Abstract
Method and apparatuses involving satellite position signals are disclosed. Based on data indicating a usage environment, parameters, for example acquisition parameters or calculation parameters, are adapted.
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Citations
25 Claims
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1. An apparatus, comprising:
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a wireless portion configured to receive wireless communication signals and to estimate data indicating a usage environment of the apparatus, and a satellite receiver portion configured to receive satellite position signals, wherein the apparatus is configured to adapt at least one parameter based on the data indicating a usage environment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A satellite receiver, comprising:
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a satellite radio frequency portion configured to receive satellite position signals, a mixer coupled to said satellite radio frequency portion to mix the received signals with a carrier frequency, a correlator coupled with said mixer to correlate the mixed signal with a signal modulated by a code, a processor coupled with the correlator and being configured to process the correlated signal, and an interface, wherein said processor is further configured to adapt at least one acquisition parameter of the satellite receiver based on data received via said interface. - View Dependent Claims (12, 13, 14, 15)
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16. A method, comprising:
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determining data indicating a usage environment of a satellite-based position determining apparatus, and adapting parameters for processing satellite navigation signals based on said data indicating a usage environment. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A method, comprising:
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receiving wireless signals, estimating at least one of a channel characteristic or a velocity based on said wireless signals, feeding the at least one of said channel characteristic or said velocity to a satellite receiver portion, adapting at least one of acquisition parameters or calculation parameters based on the at least one of said channel characteristic or said velocity, and acquiring satellite position signals based on said acquisition parameters. - View Dependent Claims (24, 25)
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Specification