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多值数据的自适应脉冲宽度调制预加重方法

孙华娟 颜晓红 郝学元

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多值数据的自适应脉冲宽度调制预加重方法

孙华娟, 颜晓红, 郝学元

A method of adaptive pulse width modulation for multiple-valued data transmission

Sun Hua-Juan, Yan Xiao-Hong, Hao Xue-Yuan
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  • 信号受长距离同轴电缆的趋肤效应、介电损耗等因素的影响, 高频衰减严重, 产生码间干扰, 使接收端很难恢复信号, 限制信号传输速度. 脉冲宽度调制(PWM)预加重技术, 是通过时域信息处理来增加信号的传输速度, 在二进制信号中已经得到很好运用. 自适应PWM预加重方法则是进一步针对数据相关性抖动, 对不同数据序列进行或强或弱的预加重, 动态补偿多进制数据的传输损耗, 提高信号完整性, 眼图结果表明该方法改善了信号传输质量.
    The non-ideal characteristics such as dielectric loss and skin effect of coaxial cables etc can cause attenuation of the high-frequency component of the signals, making it difficult for the receiver to interpret the signal, thereby greatly reducing the data rate. Pulse width modulation (PWM) pre-emphasis technique, which has been very good to use in the binary signal, utilizes time-domain information processing to increase the data rate. We introduce the new adaptive PWM pre-emphasis method to further eliminate the data-dependent jitter, which can dynamically compensate for the transmission loss of multiple-valued data with strong or weak pre-emphasis. The results of eye diagrams show that this method can improve the quality of signal transmission.
    • 基金项目: 国家高技术研究发展计划(批准号: 2011AA050526)资助的课题.
    • Funds: Project supported by the National High Technology Research and Development Program of China (Grant No.2011AA050526).
    [1]

    Kudoh Y, Fukaishi M, Mizuno M 2003 IEEE J. Solid-State Circuits 38 741

    [2]

    Gai W, Hidaka Y, Koyana Gi Y, Jiang J H, Osone H, Horie T 2004 Symposium on VLSI Circuits, Digest of Technical Papers, June 17-19, 2004 p138

    [3]

    Xu H H, Huang Q Z, Li Y T 2010 Chin.. Phys. B 19 084210

    [4]

    Li Y, Cheng H R, Li W, Yu S H, Yang Z 2012 Acta Phys. Sin. 61 194205 in Chinese 2012 61 194205 (in Chinese) [李源, 成浩然, 李蔚, 余少华 杨铸 2012 物理学报 61 194205]

    [5]

    Schrader J, Klumperink E, Visschers J, Nauta B 2005 Symposium on VLSI Circuits June 16-18, 2005 p388

    [6]

    Yuminaka Y, Takahashi Y 2008 Multiple Valued Logic Dallas, May 22-24, 2008 p20

    [7]

    Yuminaka Y, Takahashi Y, Henmi K 2009 39th International Symposium on Multiple-Valued Logic Naha, Okinawa, May 21-23, 2009 p250

    [8]

    Yang F X, Zhang D M, Deng Z W 2008 Acta Phys. Sin. 57 3845 (in Chinese) [杨凤霞, 张端明, 邓宗伟 2008 物理学报 57 3845]

    [9]

    Yuminaka, Yamamura 2007 Mutiple-Valued Logic IEEE Oslo, May 13-16, 2007 p26

    [10]

    Horace Cheng, Anthony Chan Carusone Member 2008 Custom Integrated Circuits Conference San Jose CA September 21-24, 2008 p635

    [11]

    Jan-Rutger (J. H. R.) Schrader, Eric A. M. Klumperink, Jan L. Visschers, Bram Nauta 2006 Custom Integrated Circuits Conference San Jose CA p591

    [12]

    Yuminaka, Takahashi 2008 Multiple Valued Logic p20

    [13]

    Yuminaka, Henmi 2010 Communications and Information Technologies Tokyo, October 26-29, 2010 p1103

  • [1]

    Kudoh Y, Fukaishi M, Mizuno M 2003 IEEE J. Solid-State Circuits 38 741

    [2]

    Gai W, Hidaka Y, Koyana Gi Y, Jiang J H, Osone H, Horie T 2004 Symposium on VLSI Circuits, Digest of Technical Papers, June 17-19, 2004 p138

    [3]

    Xu H H, Huang Q Z, Li Y T 2010 Chin.. Phys. B 19 084210

    [4]

    Li Y, Cheng H R, Li W, Yu S H, Yang Z 2012 Acta Phys. Sin. 61 194205 in Chinese 2012 61 194205 (in Chinese) [李源, 成浩然, 李蔚, 余少华 杨铸 2012 物理学报 61 194205]

    [5]

    Schrader J, Klumperink E, Visschers J, Nauta B 2005 Symposium on VLSI Circuits June 16-18, 2005 p388

    [6]

    Yuminaka Y, Takahashi Y 2008 Multiple Valued Logic Dallas, May 22-24, 2008 p20

    [7]

    Yuminaka Y, Takahashi Y, Henmi K 2009 39th International Symposium on Multiple-Valued Logic Naha, Okinawa, May 21-23, 2009 p250

    [8]

    Yang F X, Zhang D M, Deng Z W 2008 Acta Phys. Sin. 57 3845 (in Chinese) [杨凤霞, 张端明, 邓宗伟 2008 物理学报 57 3845]

    [9]

    Yuminaka, Yamamura 2007 Mutiple-Valued Logic IEEE Oslo, May 13-16, 2007 p26

    [10]

    Horace Cheng, Anthony Chan Carusone Member 2008 Custom Integrated Circuits Conference San Jose CA September 21-24, 2008 p635

    [11]

    Jan-Rutger (J. H. R.) Schrader, Eric A. M. Klumperink, Jan L. Visschers, Bram Nauta 2006 Custom Integrated Circuits Conference San Jose CA p591

    [12]

    Yuminaka, Takahashi 2008 Multiple Valued Logic p20

    [13]

    Yuminaka, Henmi 2010 Communications and Information Technologies Tokyo, October 26-29, 2010 p1103

计量
  • 文章访问数:  5146
  • PDF下载量:  302
  • 被引次数: 0
出版历程
  • 收稿日期:  2014-06-27
  • 修回日期:  2014-08-27
  • 刊出日期:  2015-01-05

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