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Adaptive Clock Recovery Method Utilizing Proportional-Integral-Derivative (PID) Control for Circuit Emulation
Youichi FUKADA Takeshi YASUDA Shuji KOMATSU Koichi SAITO Yoichi MAEDA Yasuyuki OKUMURA
IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on the Next Generation Ethernet Technologies)
adaptive clock method, proportional-integral-derivative (PID) control, circuit emulation, packet network,
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This paper describes a novel adaptive clock recovery method that uses proportional-integral-derivative (PID) control. The adaptive clock method is a clock recovery technique that synchronizes connected terminals via packet networks, and will be indispensable for circuit emulation services in the next generation Ethernet. Our adaptive clock method simultaneously achieves a short starting-time, accuracy, stable recovery clock frequency, and few buffer delays using the PID control technique. We explain the numerical simulations, experimental results, and circuit designs.