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A novel ODU path switching using dynamic delay difference compensation for ODU reallocation without bit disruption is proposed. The proposed bit-loss-free path switching is successfully demonstrated for 10Gbit/s ODU2 path.
We propose an adaptive delay-difference compensation scheme for 40-Gb/s/ch optical virtual concatenation. Channel-to-channel delay-differences are detected based on peer comparison, and synchronously compensated using FIFO buffers. Rapid adaptive compensation with high accuracy is demonstrated.
Deskew function using OTU3 multiframe identification is demonstrated. Master-slave type deskew method with simple configuration is proposed to realign skewed parallel data. Skew is successfully compensated.
This paper proposes a dynamic skew compensation mechanism for multi-wavelength parallel transmission by using 40-Gb/s/ch OTN physical-layer multiframe architecture. The feasibility is verified by FPGA simulation.
As continuous process scaling produces large-scale chips, small-delay defects become one of the major chip-reliability limiters. Small-delay defect detection techniques for LSI screening have been developed, which can successfully detect outlier chips among normally-distributed chips in a short testing time. In our experiments with 90 nm CMOS 100 MHz test chips, we have successfully detected around...
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