SS-LMS自适应均衡算法的CTLE设计
作者:
作者单位:

1.湘潭大学 材料科学与工程学院, 湖南 湘潭 411105 ; 2.山东东仪光电仪器有限公司, 山东 烟台 264670 ;3.山东东仪光电产业技术研究院, 山东 烟台 264670 ; 4.国防科技大学 计算机学院, 湖南 长沙 410073

作者简介:

唐明华(1966—),男,湖南衡阳人,教授,博士,博士生导师,E-mail:tangminghua@xtu.edu.cn

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中图分类号:

TN402

基金项目:

国家自然科学基金资助项目(92164108,11835008,61974163);山东省自然科学基金资助项目(ZR2023LZH005);山东省重大科技创新工程资助项目(2019TSLH0316)


Design of CTLE with SS-LMS adaptive equalization algorithm
Author:
Affiliation:

1.School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105 , China ;2.Shandong Dongyi Optoelectronic Instruments Co., Ltd., Yantai 264670 , China ;3.Shandong Dongyi Optoelectronic Industry Technology Research Institute, Yantai 264670 , China ;4.College of Computer Science and Technology, National University of Defense Technology, Changsha 410073 , China

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    摘要:

    随着先进工艺和技术的不断进步,要想保证数据在高速传输中的正确性,均衡器需要有更高的补偿和更低的功耗,才能实现高效通信。基于12 nm 互补金属氧化物半导体工艺,设计了一种高增益、低功耗的自适应连续时间线性均衡器(continuous time linear equalizer, CTLE),该均衡器采用2级级联结构来补偿信道衰减,并提高接收信号的质量。此外,自适应模块通过采用符号-符号最小均方误差(sign-sign least mean square, SS-LMS)算法,使抽头系数加快了收敛速度。仿真结果表明,当传输速率为16 Gbit/s时,均衡器可以补偿-15.53 dB的半波特率通道衰减,均衡器系数在16×104个单元间隔数据内收敛,并且收敛之后接收误码率低于10-12

    Abstract:

    With the continuous advancement of advanced processes and technologies, in order to ensure the accuracy of data during high-speed transmission, equalizers need to provide higher compensation and lower power consumption to achieve efficient communication. A high-gain and low-power adaptive CTLE(continuous time linear equalizer) was designed on the basis of the 12 nm CMOS(complementary metal-oxide-semiconductor) process, which adopted a two-stage cascade structure to compensate for channel attenuation and improve the quality of the received signal. In addition, the adaptive module used the SS-LMS(sign-sign least mean square) algorithm to accelerate the convergence speed of the tap coefficients. Simulation results show that when the transmission rate is 16 Gbit/s, the equalizer can compensate for a half-bit rate channel attenuation of -15.53 dB, and the equalizer coefficients converge within 16×104 unit interval data. Moreover, after convergence, the received error rate is lower than 10-12.

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唐明华, 尤浩龙, 李刚, 等. SS-LMS自适应均衡算法的CTLE设计[J]. 国防科技大学学报, 2025, 47(1): 190-197.

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  • 收稿日期:2022-08-04
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  • 在线发布日期: 2025-01-20
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