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Jun Yao is currently at Etopus, a Silicon Valley startup to make fast connections. Dr. Yao worked at Broadcom as Senior Engineer and Postdoctoral Researcher at Carnegie Mellon University, PA. He obtained his PhD degree (2013) in electrical and electronic engineering from Nanyang Technological University, Singapore, and bachelor degree (2008) from Harbin Institute of Technology, China. His research interests include signal processing, equalization, phase-locked loop, detection and decoding algorithms for the hard disk drive (HDD) read channel and high-speed Serializer/Deserializer (SerDes) communications.
This paper evaluates the performance of several choices of Reed-Solomon code and shows how a frame-interleaved RS(30,26) code can achieve 1e-15 bit-error rate (BER) in the presence of burst errors. See the authors conclude that, as data rates go higher, current 128b/130b encoding is not a good option as the two-bit 01/10 overhead suffers due to its Nyquist pattern property.
PCIe Gen4 enables new wave of innovation to guide inner-loop SerDes optimization assisted by outer-loop system optimization. This paper introduces an outer-layer equalization scheme for managing SerDes inner-layer equalization to optimize overall system-level aggregate performance.
