Method and arrangement to synchronize a multi-carrier...

Details Method and arrangement to synchronize a multi-carrier... Method and arrangement to synchronize a multi-carrier...

2007-12-25

2007-12-25

Ha, Dac V. (Department: 2611)

Pulse or digital communications

Synchronizers

C375S147000, C370S509000

Reexamination Certificate

active

10355081

ABSTRACT:
The invention relates to a method to synchronise a multi-carrier transmission system wherein a time misalignment between a transmitter and a receiver is determined through an average of at least two pilot tones phase errors (Øi) weighted in accordance with the noise affecting each pilot tone transmission. Such method is characterised in that, when the noise affecting a pilot tone (38, 40) reaches a predetermined level, the pilot tone function is reallocated from this pilot tone (38, 40) to another carrier (42, 44) and/or this pilot tone weight is reduced.

REFERENCES:
patent: 0 785 645 (1997-07-01), None
patent: 0 903 897 (1999-03-01), None
patent: 0 903 897 (2001-10-01), None
patent: 2 790 344 (2000-09-01), None

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