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US 2011/0216811 A1Published application
Methods and apparatuses for demodulating multiple channel satellite positioning system signals
AssigneeQUALCOMM Incorporated
InventorDouglas Neal Rowitch
Life of this patent
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Abstract
Methods and apparatuses are provided which may be enabled within and/or for use with a Satellite Positioning System (SPS) receiver and/or other like apparatuses or device(s) to demodulate a first channel portion of a multiple channel SPS signal based, at least in part, on a second channel portion of the multiple channel SPS signal.
Claims41
A method for use in an electronic device, the method comprising;
- receiving at least one satellite positioning system (SPS) signal comprising at least two channel portions including a first channel portion based on a first signal modulated using a SPS data sequence and a second channel portion based on a second signal that is not modulated using said SPS data sequence;
- and
- demodulating said first channel portion based, at least in part, on said second channel portion.
An apparatus comprising;
- means for receiving at least one satellite positioning system (SPS) positioning signal comprising at least two channel portions including a first channel portion based on a first signal modulated using a SPS data sequence and a second channel portion based on a second signal that is not modulated using said SPS data sequence;
- and
- means for demodulating said first channel portion based, at least in part, on said second channel portion.
An apparatus comprising;
- an satellite positioning system (SPS) receiver to receive at least one SPS positioning signal comprising at least two channel portions including a first channel portion based on a first signal modulated using a SPS data sequence and a second channel portion based on a second signal that is not modulated using said SPS data sequence;
- and
- a demodulator to demodulate said first channel portion based, at least in part, on said second channel portion.
An article comprising:
- a computer readable medium having computer implementable instructions stored thereon implementable by one or more processing units in an electronic device to:
- access at least one received satellite positioning system (SPS) positioning signal comprising at least two channel portions including a first channel portion based on a first signal modulated using a SPS data sequence and a second channel portion based on a second signal that is not modulated using said SPS data sequence;
- and
- demodulate said first channel portion based, at least in part, on said second channel portion.
1 more element
Dependencies are inferred from the claim text.