Method and apparatus for frame alignment in discrete...

Details Method and apparatus for frame alignment in discrete... Method and apparatus for frame alignment in discrete...

2006-05-09

2006-05-09

Chin, Stephen (Department: 2634)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S285000, C375S316000, C375S346000, C327S310000, C327S384000, C327S551000, C348S607000, C455S296000

Reexamination Certificate

active

07042969

ABSTRACT:
A method and apparatus for determining frame alignment in a discrete multitone transceiver by determining a rotation of the coefficients of the shortening channel impulse response for which inter symbol interference (ISI) is minimal. The ISI is determined by multiplying the average value of a transmitted discrete multitone symbol and multiplying it by the coefficients of the shortening channel impulse response in a given rotation.

REFERENCES:
patent: 5680451 (1997-10-01), Betts et al.
patent: 5909332 (1999-06-01), Spurbeck et al.
patent: 6404831 (2002-06-01), Melas
patent: 2003/0016770 (2003-01-01), Trans et al.
patent: 2003/0099313 (2003-05-01), Li et al.

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