Method and system for tracking and correcting timing errors...

Details Method and system for tracking and correcting timing errors... Method and system for tracking and correcting timing errors...

2006-12-26

2006-12-26

Ho, Duc (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S342000, C375S150000

Reexamination Certificate

active

07154872

ABSTRACT:
In the method, a detector retrieves certain signal samples from a data frame that are accumulated in a buffer of a base station receiver. The detector generates a first metric representing a first signal sample and a second metric representing a second signal sample, and calculates a sum of the first and second metrics and a difference between the first and second metrics. A calculator uses the sum to calculate at least one threshold value, and a comparator compares the difference to the calculated threshold value to determine an on-time error for the frame. Based on the determined on-time error, an adjuster adjusts timing for the on-time error, and feeds back an on-time error correction to the buffer for subsequently received data frames.

REFERENCES:
patent: 6269075 (2001-07-01), Tran
patent: 6735242 (2004-05-01), Kenney et al.
patent: 2004/0165655 (2004-08-01), Rick et al.

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