Method and system for providing controlled impairments to an...

Details Method and system for providing controlled impairments to an... Method and system for providing controlled impairments to an...

2006-11-13

2009-02-10

Leung, Christina Y (Department: 2613)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S154000

Reexamination Certificate

active

07489864

ABSTRACT:
Systems and methods for providing controlled impairments to an optical transport system are disclosed. In one implementation, an optical stream is received. A clock signal and a data signal are identified based on the received optical signal. A selection indicating at least a particular bit position of the optical stream to be modified is received from a user and it is determined whether the particular bit position of the optical stream is located in an active video portion, a horizontally ancillary data portion, a vertically ancillary data portion, a start-video timing portion, or an end active video portion of the optical stream. The particular bit position in the determined portion of the optical stream is identified based on at least the clock signal and the data signal, and the particular bit position of the optical stream is modified.

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