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    • 3. 发明申请
    • EDGE BASED PARTIAL RESPONSE EQUALIZATION
    • 基于边缘部分响应均衡
    • WO2008063431A2
    • 2008-05-29
    • PCT/US2007/023600
    • 2007-11-09
    • RAMBUS, INC.LEIBOWITZ, Brian, S.LEE, Hae-ChangREN, JihongRATNAYAKE, Ruwan
    • LEIBOWITZ, Brian, S.LEE, Hae-ChangREN, JihongRATNAYAKE, Ruwan
    • H04L25/03H04L25/497
    • H04L25/03057G06F13/38H04L25/03019H04L25/0307H04L2025/03369H04L2025/03617
    • A device (102) implements data reception with edge-based partial response decision feedback equalization. In an example embodiment, the device implements a tap weight adapter circuit (114) that sets the tap weights that are used for adjustment of a received data signal (104). The tap weight adapter circuit (119) sets the tap weights based on previously determined data values and input from an edge analysis of the received data signal using a set of edge samplers. The edge analysis (116) may include adjusting the sampled data signal by the tap weights determined by the tap weight adapter circuit. A clock generation circuit (220) generates an edge clock signal to control the edge sampling performed by the set of edge samplers. The edge clock signal may be generated as a function of the signals of the edge samplers and prior data values determined by the equalizer.
    • 设备(102)利用基于边缘的部分响应判决反馈均衡来实现数据接收。 在一个示例性实施例中,该装置实现一个抽头权重适配器电路(114),其设置用于调整接收到的数据信号(104)的抽头权重。 抽头重量适配器电路(119)基于先前确定的数据值设置抽头权重,并使用一组边缘采样器从接收数据信号的边缘分析输入。 边缘分析(116)可以包括通过由抽头权重适配器电路确定的抽头权重来调整采样数据信号。 时钟发生电路(220)生成边沿时钟信号以控制由边缘采样器组执行的边缘采样。 可以根据边缘采样器的信号和由均衡器确定的先前数据值来生成边沿时钟信号。