Design of High-Speed DSPTransceivers for Ethernet over Copper

提案编号：0429979机构：明尼苏达大学双城分校校长：Parhi，KeshabTitle：设计高速DSP收发器的以太网在铜摘要：服务器的速度应该总是一个数量级高于桌面速度。在台式机和笔记本电脑上越来越多地使用千兆以太网，需要在数据中心提供10千兆铜线。这些必须利用现有或新的铜缆，并且必须比基于光纤的竞争对手便宜。这个项目将解决架构设计方面和VLSI实现方面的数字信号处理组件的10千兆位每秒以太网收发器在铜。这些系统的设计面临着许多挑战。在系统级，要达到所需的速度，波特率和调制方案应该是什么？ 应该在发送端使用预编码还是在接收端使用均衡？应该使用低密度奇偶校验码吗？ 如何实现一个7000抽头的接收器，消除近端串扰和电缆回波所必需的，具有较低的功耗？哪种接收器架构更适合满足速度要求？实现每秒10吉比特的低密度奇偶校验码的最佳解决方案是什么？将寻求这些问题的答案。新的调制方案将通过硬件协同设计技术进行研究，并将寻求具有最小面积和功耗的系统的最佳架构。 在数据中心和桌面上提供每秒10千兆位的数据将大大降低部署成本，并提高互联网接入速度。

PROPOSAL NO: 0429979INSTITUTION: University of Minnesota-Twin CitiesPRINCIPAL INVESTIGATOR: Parhi, KeshabTITLE: Design of High-Speed DSPTransceivers for Ethernet over CopperAbstract:The server speed should always be an order of magnitude higher than the desktop speed. Growing use of gigabit ethernet on desktops and laptops requires availability of 10-gigabit over copper in data centers. These must exploit use of existing or new copper cables, and must be cheaper than their fiber based competitors. This project will address architectural design aspects and VLSI implementation aspects of the digital signal processing components of a 10-gigabit per second ethernet transceiver over copper. The challenges in design of these systems are many. At the system level, to achieve the required speed, what should be the baud rate and modulation scheme? Should one use precoding at the transmitter or equalization at the receiver? Should one use low-density parity check codes? How can one implement a 7000-tap based receiver, necessary for cancelling near end cross talk and echo for the cables, with lower power consumption? What receiver architectures are more suitable for meeting the speed requirements? What are the best solutions for implementing low-density parity check codes at 10 gigabits per second? Answers to these questions will be sought. Novel modulation schemes will be studied by hardware codesign techniques and the best architecture of a system with least area and power consumption will be sought. Availability of 10-gigabit per second data at data centers and desktops will significantly reduce the cost of deployment and increase the speed of internet access.