56Gb/s离散多音电链路的设计考虑和性能权衡

2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS) Pub Date : 2019-08-01 DOI:10.1109/MWSCAS.2019.8885299

Gain Kim, Woohyun Kwon, T. Toifl, Y. Leblebici, Hyeon-Min Bae

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引用次数: 2

摘要

对于数据速率高于56Gb/s的中远电链路通信，基于adc的接收机(RX)由于其强大的均衡能力，利用复杂的数字信号处理算法，受益于极端的过程节点缩减，已经成为一种主流架构。本文讨论了基于离散多音(DMT)调制的>56Gb/s的DAC/ adc有线收发器(TRX)的设计。讨论了无线正交频分复用(OFDM)系统与有线DMT系统之间的一些显著差异，并给出了几个几十gb /s的DMT RX的实际设计考虑。

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Design Considerations and Performance Trade-Offs for 56Gb/s Discrete Multi-Tone Electrical Link

For communicating over mid-to-long-reach electrical links at a data-rate above 56Gb/s, ADC-based receiver (RX) has become a dominant architecture due to its strong equalization capability using complex digital signal processing algorithm benefiting from the extreme process node shrinkage. This paper discusses the design of >56Gb/s DAC/ADC-based wireline transceiver (TRX) with discrete multi-tone (DMT) modulation. Some notable differences between wireless orthogonal frequency division multiplexing (OFDM) systems and wireline DMT systems are discussed, and some practical design considerations for a multiple tens-of-Gb/s DMT RX is provided.

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2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS)

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