Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2006-07-18
2006-07-18
Shah, Chirag (Department: 2664)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
C370S503000, C370S516000
Reexamination Certificate
active
07079554
ABSTRACT:
A new method for synchronizing transmissions of real time synchronous data packets over an asynchronous network between two terminal nodes is disclosed. The synchronization procedure is implemented within intermediating communication devices, which connect between the terminal nodes TDM equipment and the asynchronous network. Each communication device comprises local clocks, which are activated by a Stratum 2/3/3e/4/4e pulse generator. The local clocks synchronization is based on the transmission of a reference timestamp packet through an asynchronous network. Based on this timestamp references, an internal digital PLL is used for attenuating the jitter/wander in data transmission signal in accordance to Stratum 2/3/3e/4/4e accuracy standards. The DPLL data result is then processed to be used by the local clock of the receiving terminal.
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Kattten Muchin Rosenman LLP
Shah Chirag
Terasync, Ltd.
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