[1] S. R. Jefferts, M. A. Weiss, J. Levines et al.. Two-way time transfer through SDH and SONET system［C］. EFTF, 1996. 461～464
[2] M. A. Weiss, S. R. Jefferts, J. Levine et al.. Two-way time and frequency transfer in SONET［C］. IEEE IFCS, 1996. 1163～1168
[3] S. R. Jefferts, M. A. Weiss, J. Levine et al.. Two-way time and frequency transfer using optical fiber［J］. IEEE T. Instrum. Meas., 1997, 46(2): 209～211
[4] L. Primas, G. Lutes, R. Sydnor. Fiber optic frequency transfer link［C］. IEEE IFCS, 1988. 478～484
[5] E. Lori, L. Primas, T. Ronald et al.. Applications of ultra-stable fiber optic distribution systems［C］. IEEE IFCS, 1989. 202～211
[6] R. T. Logan, G. F. Lutes. High stability microwave fiber optic systems: demonstrations and applications［C］. IEEE IFCS, 1992. 310～316
[7] K. Sato, T. Hara, S. Kuji et al.. Development of an ultrastable fiber optic frequency distribution system using an optical delay control module［J］. IEEE T. Instrum. Meas., 2000, 49(1): 19～24
[8] K. W. Holman, D. J. Jones, D. D. Hudson et al.. Precise frequency transfer through a fiber network using 1.5-μm mode-locked sources［J］. Opt. Lett., 2004, 29(13): 1554～1556
[9] A. Imaoka, M. Kihara. Accurate time/frequency transfer method using bidirectional WDM transmission［J］. IEEE T. Instrum. Meas., 1998, 47(2): 537～542
[10] A. Imaoka, M. Kihara. Time signal distribution in communication networks based on synchronous digital hierarchy［J］. IEEE T. Commun., 1997, 45(2): 247～253
[11] M. Amemiya, M. Imae. Time and frequency transfer and dissemination methods using optical fiber network［J］. IEEE T. Fund. Mater., 2006, 126(6): 458～463
[12] C. Lopes, B. Riondet. Ultra precise time dissemination system［C］. IEEE IFCS, 1999, 1: 296～299
[13] S. C. Ebenhag, P. O. Hedekvist, C. Rieck et al.. Evaluation of output phase stabllity in a giber-optic two-way frequency distribution system［C］. PTTI, 2008. 117～124
[14] Liang Shuangyou, Ren Yan. High-precision time transfer via optical fiber［J］. J. Time Freq., 2003. 26(1): 75～80
[15] Xie Yi. Time synchronization network［J］. Mod. Sci. & Tech. Telecommu., 2004, (11): 2～4
[16] Zhang Dayuan, Xie Yi, Meng Aili et al.. Transferring high accuracy standard time signal by SDH 2.048 mbit/s channel ［J］. Mod. Sci. & Tech. Telecommu., 2006, (12): 17～25
[17] M. Kithara, A. Imaoka. System configuration for standardizing SDH-based time and frequency transfer［C］. EFTF, 1996, 418: 465～470
[18] M. Kihara, A. Imaoka. Two-way time transfer through 2.4 Gb/s optical SDH system［J］. IEEE Trans. Instrum. Meas., 2001, 50(3): 709～715
[19] Lai Xianzhu. The Study of High Precision Time Service Basic of Optic Network［D］. Nanjing: People′s Liberation Army of University of Science and Technology, 2009. 31～37
[20] Ding Xiaoyu, Lu Lin, Zhang Baofu et al.. The error analysis of fiber time service using round-trip method［J］. Laser & Optoelectronics Progress, 2010, 47(4): 40603
