Patent ID: 6995695
Filing Date: 2006-02-07
Classification: H04J,H04L

Abstract:
1. A method for synchronizing running disparity values in a first computer and a data demapping device, comprising: generating a plurality of data characters and a synchronization control character; iteratively determining a first running disparity value based on each character of the plurality of data characters and the synchronization control character; transmitting the plurality of data characters and the synchronization control character from the first computer to a third data mapping device, the synchronization control character indicating whether the first running disparity value has a positive running disparity value or a negative running disparity value when the synchronization control character is transmitted; encapsulating the first plurality of data characters and the synchronization control character into at least one Generic-Framing-Procedures data block at the third data mapping device and transmitting the Generic-Framing-Procedures data block from the third data mapping device to a fourth data demapping device; decoding the Generic-Framing-Procedures data block to obtain the plurality of data characters and the synchronization control character at the fourth data demapping device and iteratively determining a second running disparity value based on each character of the plurality of data characters and the synchronization control character; and setting the second running disparity value in the fourth data demapping device equal to either a positive running disparity value or a negative running disparity value based on the synchronization control character to synchronize the second running disparity value and the first running disparity value.