Joint Gain and Timing Recovery With Applications to Magnetic Tape Storage

Jaekyun Moon; Jaewook Lee; Daejung Yoon

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Joint Gain and Timing Recovery With Applications to Magnetic Tape Storage

机译：联合增益和定时恢复及其在磁带存储中的应用

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摘要

We discuss a joint gain and timing recovery scheme that provides performance advantages in tape recording environments plagued by deep amplitude fades and timing error fluctuations. The idea is to find a particular combination of the gain and phase errors that best matches with a window of playback samples and use the resulting estimates to drive the automatic gain control (AGC) loop and the timing recovery loop. The gain and phase estimate pair is obtained and maintained separately for each survivor path in the Viterbi processor, and is used to compensate for the corresponding distortions in the Viterbi branch metric computation. The gain and phase error estimates are then taken out of the best survivor path possibly with some delay and are used to drive the respective loops. The BER performance and cycle slip probabilities are compared with those of a conventional AGC and timing recovery scheme

机译：我们讨论了一种联合增益和定时恢复方案，该方案在深振幅衰减和定时误差波动困扰的磁带记录环境中提供了性能优势。这个想法是找到与回放样本窗口最匹配的增益和相位误差的特定组合，并使用所得的估计值来驱动自动增益控制（AGC）环路和定时恢复环路。增益和相位估计对是针对维特比处理器中的每个幸存路径分别获得和维护的，并用于补偿维特比分支度量计算中的相应失真。然后，可能会有一些延迟，从最佳生存路径中获取增益和相位误差估计值，并将其用于驱动各个环路。将BER性能和周期滑动概率与常规AGC和定时恢复方案进行了比较

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《IEEE Transactions on Magnetics》 |2007年第6期|p.2328-2330|共3页
作者
Jaekyun Moon; Jaewook Lee; Daejung Yoon;
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正文语种 eng
中图分类磁性材料、铁氧体;计量学;
关键词
automatic gain control; magnetic tape storage; phase locked loops; synchronisation; automatic gain control loop; cycle slip probability; dropouts; inter-symbol interference; joint gain; magnetic tape storage; phase-locked loop; timing recovery; Automatic gain contro;

机译：自动增益控制;磁带存储;锁相环;同步;自动增益控制环;周期滑移概率;失落;符号间干扰;联合增益;磁带存储;锁相环;定时恢复;自动增益控制;

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专利

1. Joint Timing Recovery and Data Detection With Applications to Magnetic Recording [J] . Moon J., Lee J. IEEE Transactions on Magnetics . 2006,第期

机译：联合定时恢复和数据检测及其在磁记录中的应用
2. Joint Low-Complexity Blind Equalization, Carrier Recovery, and Timing Recovery with Application to Cable Modem Transmission [J] . Cheng-I HWANG, David W. LIN IEICE Transactions on Communications . 1999,第1期

机译：联合低复杂度盲均衡，载波恢复和定时恢复及其在电缆调制解调器传输中的应用
3. Joint Timing Recovery and Signal Detection for Two-Dimensional Magnetic Recording [J] . Chaitanya Kumar Matcha, Shayan Garani Srinivasa IEEE Transactions on Magnetics . 2017,第2期

机译：二维磁记录的联合定时恢复和信号检测
4. Global Timing Control with Applications to Tape Storage Channels [C] . Sedat Olcer, Jens Jelitto, Robert A. Hutchins IEEE Global Telecommunications Conference . 2008

机译：具有应用于磁带存储通道的全局时序控制
5. Low SNR joint gain and timing recovery for digital data storage. [D] . Lee, Jaewook. 2008

机译：低SNR联合增益和用于数字数据存储的时序恢复。
6. Magnetic nanoparticles: synthesis functionalization and applications in bioimaging and magnetic energy storage [O] . Natalie A. Frey, Sheng Peng, Kai Cheng, -1

机译：磁性纳米颗粒：合成官能化并在生物成像和磁能量储存应用
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8. Storage, Preservation, and Recovery of Magnetic Recording Tape [R] . Cuddihy, Edward F. 1994

机译：磁记录带的存储，保存和回收

Joint Gain and Timing Recovery With Applications to Magnetic Tape Storage

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