Research Portal

Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

Affiliations

ORCID: 0000-0002-2111-5830
101 - 134 out of 134Page size: 50
  1. 2020
  2. Published

    A Clock-gating-based Energy-efficient Scheme for ONUs in Real-time IMDD OFDM-PONs

    Zhang, J., Zhao, J., Huang, H., Ye, N., Giddings, R., Li, Z., Qin, D., Zhang, Q. & Tang, J., 15 Jul 2020, In: Journal of Lightwave Technology. 38, 14, p. 3573-3583

    Research output: Contribution to journal › Article › peer-review

  3. Published

    Hybrid OFDM-Digital Filter Multiple Access PONs Utilizing Spectrally Overlapped Digital Orthogonal Filtering

    Sankoh, A., Jin, W., Zhong, Z., He, J., Hong, Y., Giddings, R., Pierce, I., O'Sullivan, M., Lee, J., Durrant, T. & Tang, J., Oct 2020, In: IEEE Photonics Journal. 12, 5, 10 p., 7905311.

    Research output: Contribution to journal › Article › peer-review

  4. 2021
  5. Published

    Experimental Demonstrations of Matching Filter-free Digital Filter Multiplexed SSB OFDM IMDD Transmission Systems

    Zhong, Z., Jin, W., Dong, Y., Sankoh, A., He, J., Hong, Y., Giddings, R., Pierce, I., O'Sullivan, M., Lee, J., Mariani, G., Durrant, T. & Tang, J., Apr 2021, In: IEEE Photonics Journal. 13, 2, 12 p., 7900512.

    Research output: Contribution to journal › Article › peer-review

  6. Published

    Data-aided Iterative Algorithms for Linearizing IM/DD Optical Transmission Systems

    Hu, S., Zhang, J., Tang, J., Jin, W., Giddings, R. & Qiu, K., 1 May 2021, In: Journal of Lightwave Technology. 39, 9, p. 2864 - 2872 9 p.

    Research output: Contribution to journal › Article › peer-review

  7. Published

    Experimental Demonstrations of Concurrent Adaptive Inter-ONU and Upstream Communications in IMDD Hybrid SSB OFDM-DFMA PONs

    Zhong, Z., Jin, W., He, J., Chang, D., Giddings, R., Hong, Y., O'Sullivan, M., Durrant, T., Mariani, G., Trewern, J. & Tang, J., 6 Jun 2021.

    Research output: Contribution to conference › Paper › peer-review

  8. Published

    DSP-based Reduction of the Impact of White ADC Timing Jitter on Hybrid OFDM-DFMA PONs

    Gonem, O., Giddings, R. & Tang, J., 26 Jul 2021. 2 p.

    Research output: Contribution to conference › Paper › peer-review

  9. Published

    DFT-Spread Spectrally Overlapped Hybrid OFDM-Digital Filter Multiple Access IMDD PONs

    Sankoh, A., Jin, W., Zhong, Z., He, J., Hong, Y., Giddings, R. & Tang, J., 2 Sept 2021, In: Sensors. 21, 17, 5903.

    Research output: Contribution to journal › Article › peer-review

  10. Published

    Experimental demonstrations of DSP-enabledflexibility, adaptability and elasticity ofmulti-channel >72Gb/s over 25 km IMDDtransmission systems

    Jin, W., Zhong, Z., Jiang, S., He, J., Hu, S. H., Chang, D., Giddings, R., Hong, H., Jin, X., O'Sullivan, M., Durrant, T., Trewern, J., Mariani, G. & Tang, J., 30 Nov 2021, In: Optics Express. 29, 25, p. 41363-41377

    Research output: Contribution to journal › Article › peer-review

  11. Published

    Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs

    Giddings, R., Gonem, O. & Tang, J., Dec 2021, In: IEEE Photonics Journal. 13, 6, 13 p., 7200313.

    Research output: Contribution to journal › Article › peer-review

  12. Published

    Concurrent Inter-ONU Communications for Next Generation Mobile Fronthauls based on IMDD Hybrid SSB OFDM-DFMA PONs

    Zhong, Z., Jin, W., Jiang, S., He, J., Chang, D., Hong, Y., Giddings, R., Jin, X., O'Sullivan, M., Durrant, T., Trewern, J., Mariani, G. & Tang, J., 1 Dec 2021, In: Journal of Lightwave Technology. 39, 23, p. 7360-7369

    Research output: Contribution to journal › Article › peer-review

  13. 2022
  14. Published

    Improvement in Convergence Rate and Power Penalty with an Error-Controlled Iterative Algorithm in IMDD Systems

    Jin, X., Jin, W., Zhong, Z., Jiang, S., Rajbhandari, S., Hong, Y., Giddings, R. & Tang, J., 2022, p. 1-2. 2 p.

    Research output: Contribution to conference › Paper › peer-review

  15. Published

    Multi-Constraint Gerchberg-Saxton Iteration Algorithms for Linearizing IM/DD Transmission Systems

    Hu, S., Zhang, J., Tang, J., Jin, T., Jin, W., Liu, Q., Zhong, Z., Giddings, R., Hong, Y., Xu, B., Yi, X. & Qiu, K., 14 Mar 2022, In: Optics Express. 30, 6, p. 10019-10031 13 p.

    Research output: Contribution to journal › Article › peer-review

  16. Published

    112-Gb/s PAM-4 IM/DD Optical Transmission over 100-km Single Mode Fiber with Linear Equalizer

    Hu, S., Zhang, J., Tang, J., Liu, Q., Jin, W., Zhong, Z., Giddings, R., Shao, J., Jin, T., Zhao, X., Xu, B., Gao, X. & Qiu, K., 13 Apr 2022, 2022 Optical Fiber Communications Conference and Exhibition (OFC). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  17. Published

    Rectangular Orthogonal Digital Filter Banks Based on Extended Gaussian Functions

    Jin, W., Zhong, Z., Jiang, S., He, J., Chang, D., Hong, Y., Giddings, R., Jin, X., O'Sullivan, M., Durrant, T., Trewem, J., Mariani, G. & Tang, J., 15 Jun 2022, In: Journal of Lightwave Technology. 40, 12, p. 3709-3722

    Research output: Contribution to journal › Article › peer-review

  18. Published

    Error-Controlled Iterative Algorithms for Digital Linearization of IMDD-based Optical Fibre Transmission Systems

    Jin, X., Jin, W., Zhong, Z., Jiang, S., Raibhjandari, S., Hong, Y., Giddings, R. & Tang, J., 18 Jul 2022, In: Journal of Lightwave Technology.

    Research output: Contribution to journal › Article › peer-review

  19. Published

    DSP-Based Physical Layer Security for Coherent Optical Communication Systems

    Giddings, R., He, J., Tang, J. & Jin, W., Oct 2022, In: IEEE Photonics Journal. 14, 5

    Research output: Contribution to journal › Article › peer-review

  20. Published

    Real-time experimental demonstration of a computationally efficient hybrid OFDM DFMA PON

    Giddings, R., Tyagi, T. & Tang, J., Dec 2022, In: Optical Fiber Technology. 74, 26 p., 103106.

    Research output: Contribution to journal › Article › peer-review

  21. 2023
  22. Published
  23. Published

    Real-Time Demonstration of Concurrent Upstream and Inter-ONU Communications in Hybrid OFDM DFMA PONs

    Giddings, R., Tyagi, T. & Tang, J., 1 Feb 2023, In: IEEE Photonics Technology Letters. 35, 3, p. 148 - 151 4 p.

    Research output: Contribution to journal › Article › peer-review

  24. Published

    Low-complexity modulation format identification based on am- 2 plitude histogram distributions for digital coherent receivers

    Hao, M., Jiang, X., Xiong, X., Giddings, R., He, W. & Tang, J., 20 Apr 2023, In: Photonics.

    Research output: Contribution to journal › Article › peer-review

  25. Published

    A point-to-multipoint flexible transceiver for inherently hub-and-spoke optical access networks

    Chen, L., Jin, W., He, J., Giddings, R., Huang, Y. & Tang, J., Jul 2023.

    Research output: Contribution to conference › Paper › peer-review

  26. Published

    Drop Signal Phase Offset Independent Soft-ROADMs for Point-to-Multipoint 5G Fronthauls

    Giddings, R., Gonem, O. & Tang, J., Jul 2023, p. 1-6. 6 p.

    Research output: Contribution to conference › Paper › peer-review

  27. Published

    A Point-to-multipoint Flexible Transceiver for Inherently Hub-and-Spoke IMDD Optical Access Networks

    Chen, L., Jin, W., He, J., Giddings, R., Huang, Y. & Tang, J., 15 Jul 2023, In: Journal of Lightwave Technology. 41, 14, p. 4743-4754 12 p.

    Research output: Contribution to journal › Article › peer-review

  28. Published

    Adaptive Hybrid Iterative Linearization Algorithms for IM/DD Optical Transmission Systems

    Hu, S., Zhang, J., Tang, J., Jin, T., Lin, H., Jin, W., Yu, Z., Giddings, R. & Qiu, K., 15 Jul 2023, In: Journal of Lightwave Technology. 41, 14, p. 4644-4654 11 p.

    Research output: Contribution to journal › Article › peer-review

  29. Published
  30. 2024
  31. Published
  32. Published

    Experimental Demonstration of Soft-ROADMs with Dual-Arm Drop Elements for Future Optical-Wireless Converged Access Networks

    Gonem, O., Giddings, R. & Tang, J., 15 Mar 2024, In: Journal of Lightwave Technology. 42, 6, p. 1773-1785 13 p.

    Research output: Contribution to journal › Article › peer-review

  33. Accepted/In press
  34. Published

    Chaotic Digital Filter-based Physical Layer Security for Heterogeneous Access Networks

    Giddings, R., He, J., Jin, W. & Tang, J., 30 Sept 2024.

    Research output: Contribution to conference › Paper › peer-review

  35. E-pub ahead of print

    Concurrent Direct Inter-ONU and Upstream Communications in IMDD PONs Incorporating P2MP Flexible Optical Transceivers and Advanced Passive Remote Nodes

    Jin, W., Chen, L., He, J., Giddings, R., Huang, Y., Hao, M., Faruk, M. S., Yi, X., Wang, T. & Tang, J., 30 Oct 2024, (E-pub ahead of print) In: Photonics. 11, 11, 1021.

    Research output: Contribution to journal › Article › peer-review

  36. Published
  37. E-pub ahead of print

    Seamlessly Converged Fiber-Wireless Access Networks with Dynamic Sub-wavelength Switching and Tunable Photonic mmWave Generation

    Vallejo Castro, L., Gonem, O., Jin, W., Giddings, R., Chen, L., Huang, Y., Yi, X., Faruk, M. S. & Tang, J., 15 Nov 2024, (E-pub ahead of print) In: Journal of Lightwave Technology.

    Research output: Contribution to journal › Article › peer-review

  38. Accepted/In press

    Chaotic Digital Filter-based Physical Layer Security in Seamlessly Converged Fiber-mmWave Access Networks

    Giddings, R., He, J., Vallejo Castro, L., Jin, W. & Tang, J., 20 Dec 2024, (Accepted/In press) OFC 2025 Conference Proceedings.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  39. 2025
  40. Published
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