Timing-error detection for continuous-phase modulated signals
AssigneeQUALCOMM Incorporated
InventorsEunmo Kang, Rajapaksa Senaratne, Koorosh Akhavan
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AssigneeQUALCOMM Incorporated
InventorsEunmo Kang, Rajapaksa Senaratne, Koorosh Akhavan
Estimating the term…
In an embodiment, a receiver detects a timing error between a transmitter clock at a transmitter and a receiver clock at a receiver associated with an exchange of CPM signals. The receiver phase aligns input samples of a candidate received signal over a time window based on a rotating signal corresponding to a phase progression of the candidate received signal. The receiver generates first and second partial sums of the phase-aligned input samples that are accumulations of phase-aligned input samples corresponding to modulation symbols that contribute positive and negative phases, respectively, to the phase progression. The receiver determines a phase difference between the first and second partial sums, and generates a timing-error metric that is indicative of a timing error between the transmitter clock and the receiver clock based at least in part upon the determined phase difference.
A method of detecting a timing error between a transmitter clock at a transmitter and a receiver clock at a receiver associated with an exchange of continuous-phase modulated (CPM) signals, comprising:
A receiver configured to detect a timing error between a transmitter clock at a transmitter and a receiver clock at a receiver associated with an exchange of continuous-phase modulated (CPM) signals, comprising:
A receiver configured to detect a timing error between a transmitter clock at a transmitter and a receiver clock at a receiver associated with an exchange of continuous-phase modulated (CPM) signals, comprising:
Dependencies are inferred from the claim text.