Advanced-VSB system (A-VSB)

Details Advanced-VSB system (A-VSB) Advanced-VSB system (A-VSB)

2006-05-03

2009-12-29

Ha, Dac V (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C714S792000

Reexamination Certificate

active

07639751

ABSTRACT:
A method of resetting a trellis-coded modulation (TCM) encoder to a known state, the TCM encoder including a reset input that resets the TCM encoder to the known state when held at a reset level for a plurality of symbol clock cycles, the method including identifying an event to occur in the future that requires the TCM encoder to be reset to the known state; and holding the reset input of the TCM encoder at the reset level beginning the plurality of clock symbol cycles before a time the event will occur so that the TCM encoder will be reset to the known state immediately before the event occurs.

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