Abstract

An improved feed-forward carrier phase estimation scheme with further complexity reduction is presented and numerically verified for quadrature amplitude modulation (QAM) formats. Based on the blind phase search (BPS) algorithm, a general two-stage configuration is first derived by removing several restrictions assumed in the prior art. Two guidelines for determining the design parameters are then proposed to minimize the computational complexity while mitigating the pattern effect and maintaining the tolerance to laser linewidth. Taking square 64QAM as an example, the computational efforts can be reduced by a factor of 4 while keeping the same tolerance to laser linewidth as compared to a single-stage BPS estimator.

© 2011 IEEE

PDF Article

References

  • View by:
  • |
  • |

  1. A. H. Gnauck, R. W. Tkach, A. R. Chraplyvy, T. Li, "High-capacity optical transmission systems," J. Lightw. Technol. 26, 1032-1045 (2008).
  2. P. J. Winzer, A. H. Gnauck, C. R. Doerr, M. Magarini, L. L. Buhl, "Spectrally efficient long-haul optical networking using 112-Gb/s polarization-multiplexed 16-QAM," J. Lightw. Technol. 28, 547-556 (2010).
  3. X. Zhou, J. Yu, "Multi-level, multi-dimensional coding for high-speed and high spectral-efficiency optical transmission," J. Lightw. Technol. 27, 3641-3653 (2010).
  4. X. Zhou, J. Yu, "200-Gb/s PDM-16QAM generation using a new synthesizing method," Proc. ECOC (2009).
  5. J. Yu, X. Zhou, Y. K. Huang, S. Gupta, M. F. Huang, T. Wang, P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Proc. OFC (2010).
  6. E. M. Ip, J. M. Kahn, "Fiber impairment compensation using coherent detection and digital signal processing," J. Lightw. Technol. 28, 502-519 (2010).
  7. G. Li, "Recent advances in coherent optical communication," Adv. Opt. Photon. 1, 279-307 (2009).
  8. E. Ip, J. Kahn, "Feedforward carrier recovery for coherent optical communication," J. Lightw. Technol. 25, 2675-2692 (2007).
  9. R. Noé, "Phase noise tolerant synchronous QPSK/BPSK baseband-type intradyne receiver concept with feed-forward carrier recovery," J. Lightw. Technol. 23, 802-808 (2005).
  10. H. Louchet, K. Kuzmin, A. Richter, "Improved DSP algorithms for coherent 16-QAM transmission," Proc. ECOC (2008).
  11. M. Seimetz, "Laser linewidth limitations for optical systems with high-order modulation employing feedforward digital carrier phase estimation," Proc. OFC (2008).
  12. I. Fatadin, D. Ives, S. J. Savory, "Laser linewidth tolerance for 16QAM coherent optical systems using QPSK partitioning," IEEE Photon. Technol. Lett. 22, 631-633 (2010).
  13. S. K. Oh, S. P. Stapleion, "Blind phase recovery using finite alphabet properties in digital communications," Electron. Lett. 33, 175-176 (1997).
  14. F. Rice, B. Cowley, B. Moran, M. Rice, "Cramér-Rao lower bounds for QAM phase and frequency estimation," IEEE Trans. Commun. 49, 1582-1591 (2001).
  15. T. Pfau, S. Hoffmann, R. Noé, "Hardware-efficient coherent digital receiver concept with feedforward carrier recovery for M-QAM constellations," J. Lightw. Technol. 27, 989-999 (2009).
  16. T. Pfau, R. Noé, "Phase-noise-tolerant two-stage carrier recovery concept for higher order QAM formats," IEEE J. Sel. Topics Quantum Electron. 16, 1210-1216 (2010).
  17. X. Zhou, "An improved feed-forward carrier recovery algorithm for coherent receivers with M-QAM modulation format," IEEE Photon. Technol. Lett. 22, 1051-1053 (2010).
  18. X. Li, Y. Cao, S. Yu, W. Gu, Y. Ji, "A simplified feed-forward carrier recovery algorithm for coherent optical QAM system," J. Lightw. Technol. 29, 801-807 (2011).
  19. Q. Zhuge, C. Chen, D. V. Plant, "Low computation complexity two-stage feedforward carrier recovery algorithm for M-QAM," OFC2011 Los AngelesCA (2011).

2011 (1)

X. Li, Y. Cao, S. Yu, W. Gu, Y. Ji, "A simplified feed-forward carrier recovery algorithm for coherent optical QAM system," J. Lightw. Technol. 29, 801-807 (2011).

2010 (6)

T. Pfau, R. Noé, "Phase-noise-tolerant two-stage carrier recovery concept for higher order QAM formats," IEEE J. Sel. Topics Quantum Electron. 16, 1210-1216 (2010).

X. Zhou, "An improved feed-forward carrier recovery algorithm for coherent receivers with M-QAM modulation format," IEEE Photon. Technol. Lett. 22, 1051-1053 (2010).

P. J. Winzer, A. H. Gnauck, C. R. Doerr, M. Magarini, L. L. Buhl, "Spectrally efficient long-haul optical networking using 112-Gb/s polarization-multiplexed 16-QAM," J. Lightw. Technol. 28, 547-556 (2010).

X. Zhou, J. Yu, "Multi-level, multi-dimensional coding for high-speed and high spectral-efficiency optical transmission," J. Lightw. Technol. 27, 3641-3653 (2010).

E. M. Ip, J. M. Kahn, "Fiber impairment compensation using coherent detection and digital signal processing," J. Lightw. Technol. 28, 502-519 (2010).

I. Fatadin, D. Ives, S. J. Savory, "Laser linewidth tolerance for 16QAM coherent optical systems using QPSK partitioning," IEEE Photon. Technol. Lett. 22, 631-633 (2010).

2009 (2)

G. Li, "Recent advances in coherent optical communication," Adv. Opt. Photon. 1, 279-307 (2009).

T. Pfau, S. Hoffmann, R. Noé, "Hardware-efficient coherent digital receiver concept with feedforward carrier recovery for M-QAM constellations," J. Lightw. Technol. 27, 989-999 (2009).

2008 (1)

A. H. Gnauck, R. W. Tkach, A. R. Chraplyvy, T. Li, "High-capacity optical transmission systems," J. Lightw. Technol. 26, 1032-1045 (2008).

2007 (1)

E. Ip, J. Kahn, "Feedforward carrier recovery for coherent optical communication," J. Lightw. Technol. 25, 2675-2692 (2007).

2005 (1)

R. Noé, "Phase noise tolerant synchronous QPSK/BPSK baseband-type intradyne receiver concept with feed-forward carrier recovery," J. Lightw. Technol. 23, 802-808 (2005).

2001 (1)

F. Rice, B. Cowley, B. Moran, M. Rice, "Cramér-Rao lower bounds for QAM phase and frequency estimation," IEEE Trans. Commun. 49, 1582-1591 (2001).

1997 (1)

S. K. Oh, S. P. Stapleion, "Blind phase recovery using finite alphabet properties in digital communications," Electron. Lett. 33, 175-176 (1997).

Adv. Opt. Photon. (1)

Electron. Lett. (1)

S. K. Oh, S. P. Stapleion, "Blind phase recovery using finite alphabet properties in digital communications," Electron. Lett. 33, 175-176 (1997).

IEEE J. Sel. Topics Quantum Electron. (1)

T. Pfau, R. Noé, "Phase-noise-tolerant two-stage carrier recovery concept for higher order QAM formats," IEEE J. Sel. Topics Quantum Electron. 16, 1210-1216 (2010).

IEEE Photon. Technol. Lett. (2)

X. Zhou, "An improved feed-forward carrier recovery algorithm for coherent receivers with M-QAM modulation format," IEEE Photon. Technol. Lett. 22, 1051-1053 (2010).

I. Fatadin, D. Ives, S. J. Savory, "Laser linewidth tolerance for 16QAM coherent optical systems using QPSK partitioning," IEEE Photon. Technol. Lett. 22, 631-633 (2010).

IEEE Trans. Commun. (1)

F. Rice, B. Cowley, B. Moran, M. Rice, "Cramér-Rao lower bounds for QAM phase and frequency estimation," IEEE Trans. Commun. 49, 1582-1591 (2001).

J. Lightw. Technol. (8)

T. Pfau, S. Hoffmann, R. Noé, "Hardware-efficient coherent digital receiver concept with feedforward carrier recovery for M-QAM constellations," J. Lightw. Technol. 27, 989-999 (2009).

E. M. Ip, J. M. Kahn, "Fiber impairment compensation using coherent detection and digital signal processing," J. Lightw. Technol. 28, 502-519 (2010).

X. Li, Y. Cao, S. Yu, W. Gu, Y. Ji, "A simplified feed-forward carrier recovery algorithm for coherent optical QAM system," J. Lightw. Technol. 29, 801-807 (2011).

E. Ip, J. Kahn, "Feedforward carrier recovery for coherent optical communication," J. Lightw. Technol. 25, 2675-2692 (2007).

R. Noé, "Phase noise tolerant synchronous QPSK/BPSK baseband-type intradyne receiver concept with feed-forward carrier recovery," J. Lightw. Technol. 23, 802-808 (2005).

A. H. Gnauck, R. W. Tkach, A. R. Chraplyvy, T. Li, "High-capacity optical transmission systems," J. Lightw. Technol. 26, 1032-1045 (2008).

P. J. Winzer, A. H. Gnauck, C. R. Doerr, M. Magarini, L. L. Buhl, "Spectrally efficient long-haul optical networking using 112-Gb/s polarization-multiplexed 16-QAM," J. Lightw. Technol. 28, 547-556 (2010).

X. Zhou, J. Yu, "Multi-level, multi-dimensional coding for high-speed and high spectral-efficiency optical transmission," J. Lightw. Technol. 27, 3641-3653 (2010).

Other (5)

X. Zhou, J. Yu, "200-Gb/s PDM-16QAM generation using a new synthesizing method," Proc. ECOC (2009).

J. Yu, X. Zhou, Y. K. Huang, S. Gupta, M. F. Huang, T. Wang, P. Magill, "112.8-Gb/s PM-RZ-64QAM optical signal generation and transmission on a 12.5 GHz WDM grid," Proc. OFC (2010).

H. Louchet, K. Kuzmin, A. Richter, "Improved DSP algorithms for coherent 16-QAM transmission," Proc. ECOC (2008).

M. Seimetz, "Laser linewidth limitations for optical systems with high-order modulation employing feedforward digital carrier phase estimation," Proc. OFC (2008).

Q. Zhuge, C. Chen, D. V. Plant, "Low computation complexity two-stage feedforward carrier recovery algorithm for M-QAM," OFC2011 Los AngelesCA (2011).

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.