Coded PDM-OFDM Transmission With Shaped 256-Iterative-Polar-Modulation Achieving 11.15-b/s/Hz Intrachannel Spectral Efficiency and 800-km Reach

Lotz, T.; Liu, X.; Chandrasekhar, S.; Winzer, Peter J.; Haunstein, H.; Randel, Sebastian; Corteselli, Steve; Zhu, Bin; Peckham, D. W.

doi:10.1109/jlt.2012.2215309

Cited by 47 publications

(33 citation statements)

References 21 publications

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“…A similar approach to constellation design was studied and demonstrated in [53]. Iterative methods were used for optimizing the radii and the number of symbols on each ring with the constraint of 256 symbols in total.…”

Section: Geometric Shapingmentioning

confidence: 99%

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Digital signal processing for fiber nonlinearities [Invited]

Cartledge¹,

Guiomar²,

Kschischang³

et al. 2017

Opt. Express

149

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This paper reviews digital signal processing techniques that compensate, mitigate, and exploit fiber nonlinearities in coherent optical fiber transmission systems. References and links1. A. Mecozzi and R.-J. Essiambre, "Nonlinear Shannon limit in pseudolinear coherent systems," J. Lightw. Technol. 2011-2024 (2012). 2. A. Mecozzi, C. B. Clausen, and M. Shtaif, "Analysis of intrachannel nonlinear effects in highly dispersed optical pulse transmission," IEEE Photon. Technol. Lett. 12(4), 392-394 (2000). 3. L. Dou, Z. Tao, L. Li, W. Yan, T. Tanimura, T. Hoshida, and J. C. Rasmussen, "A low complexity pre-distortion method for intra-channel nonlinearity," in Optical Fiber Communication Conference (2011), paper OThF5. 4. Z. Tao, L. Dou, W. Yan, L. Li, T. Hoshida, and J. C. Rasmussen, "Multiplier-free intrachannel nonlinearity compensating algorithm operating at symbol rate," J. Lightw. Technol. 29(17), 2570-2576 (2011). 5. T. Oyama, H. Nakashima, S. Oda, T. Yamauchi, Z. Tao, T. Hoshida, and J. C. Rasmussen, "Robust and efficient receiver-side compensation method for intra-channel nonlinear effects," in Optical Fiber Communication Conference (2014), paper Tu3A.3. 6. A. Ghazisaeidi, I. Fernandez de Jauregui Ruiz, L. Schmalen, P. Tran, P. Brindel, C. Simonneau, E. Awwad, B. 30(12),Uscumlic, P. Brindel, and G. Charlet, "Submarine transmission systems using digital nonlinear compensation and adaptive rate forward error correction," IEEE/OSA J. Lightw. Technol. 34(8), 1886-1895 (2016 Vol. 25, No. 3 | 6 Feb 2017 | OPTICS EXPRESS 1918 eigenvalue division multiplexing in optical fiber channels," Phys. Rev. Lett. 113(1), 013901 (2014

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Section: Geometric Shapingmentioning

confidence: 99%

“…Furthermore, the peak-to-average power ratio is reduced compared to QAM, thus resulting in lower NLIN power. Single channel experimental results were demonstrated for 256 polar modulation [53] with more than 1 dB gain over 256QAM for a 400 km, 28 Gbaud link.…”

Section: Geometric Shapingmentioning

confidence: 99%

Digital signal processing for fiber nonlinearities [Invited]

Cartledge¹,

Guiomar²,

Kschischang³

et al. 2017

Opt. Express

149

View full text Add to dashboard Cite

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“…It is evident that our proposed non-uniform signaling scheme outperforms star 8-QAM by around 0.8 dB. According to [16], even 0.51 dB gain in back-to-back configuration can result in significant improvement in the presence of nonlinearities, when digital back propagation is not used.…”

Section: Simulation Resultsmentioning

confidence: 83%

Advanced GF(3^2) nonbinary LDPC coded modulation with non-uniform 9-QAM outperforming star 8-QAM

2016

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Abstract:In this paper, we first describe a 9-symbol non-uniform signaling scheme based on Huffman code, in which different symbols are transmitted with different probabilities. By using the Huffman procedure, prefix code is designed to approach the optimal performance. Then, we introduce an algorithm to determine the optimal signal constellation sets for our proposed non-uniform scheme with the criterion of maximizing constellation figure of merit (CFM). The proposed nonuniform polarization multiplexed signaling 9-QAM scheme has the same spectral efficiency as the conventional 8-QAM. Additionally, we propose a specially designed GF(3 2 ) nonbinary quasi-cyclic LDPC code for the coded modulation system based on the 9-QAM non-uniform scheme. Further, we study the efficiency of our proposed non-uniform 9-QAM, combined with nonbinary LDPC coding, and demonstrate by Monte Carlo simulation that the proposed GF(2 3 ) nonbinary LDPC coded 9-QAM scheme outperforms nonbinary LDPC coded uniform 8-QAM by at least 0.8dB. Peckham, "Coded PDM-OFDM transmission with shaped 256-iterative-polar-modulation achieving 11.15-b/s/Hz intrachannel spectral efficiency and 800-km reach," J. Lightwave Technol. 31(4), 538-545 (2013).

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“…Spectral efficiency exceeding 10 bit/s/Hz has already been achieved [2,3,4], which has made it possible to realize an ultra-large wavelengthdivision multiplexing (WDM) capacity of > 100 Tbit/s by fully utilizing the finite bandwidth of the C-and L-bands [2]. The highest QAM multiplicity yet reported in a single-carrier coherent transmission is 2048, which resulted in a spectral efficiency of as high as 15.3 bit/s/Hz [4].…”

Section: Introductionmentioning

confidence: 99%

First demonstration of digital coherent transmission in a deployed ROADM network with a 120 Gbit/s polarization-multiplexed 64 QAM signal

Hirooka

Kasai

Wang

et al. 2015

IEICE Electron. Express

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We demonstrate the add/drop operation and transmission of 120 Gbit/s (10 Gsymbol/s) polarization-multiplexed (PDM) 64 QAM digital coherent signals in a deployed ROADM network. By equalizing waveform distortions at the ROADM node with an FIR filter, the QAM signal was successfully add/drop-multiplexed, and transmitted over a 50 km ring network testbed with neighboring 9 × 10 Gbit/s OOK WDM data. This indicates the applicability of digital coherent systems to the deployed ROADM network based on 10 Gbit/s OOK, and its upgradability to 120 Gbit/s PDM-64 QAM.

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Coded PDM-OFDM Transmission With Shaped 256-Iterative-Polar-Modulation Achieving 11.15-b/s/Hz Intrachannel Spectral Efficiency and 800-km Reach

Cited by 47 publications

References 21 publications

Digital signal processing for fiber nonlinearities [Invited]

Digital signal processing for fiber nonlinearities [Invited]

Advanced GF(3^2) nonbinary LDPC coded modulation with non-uniform 9-QAM outperforming star 8-QAM

First demonstration of digital coherent transmission in a deployed ROADM network with a 120 Gbit/s polarization-multiplexed 64 QAM signal

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