Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

  1. 2024
  2. Wedi ei Dderbyn / Yn y wasg

    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 Rhag 2024, (Wedi ei Dderbyn / Yn y wasg) OFC 2025 Conference Proceedings.

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddCyfraniad i Gynhadleddadolygiad gan gymheiriaid

  3. Wedi ei Dderbyn / Yn y wasg
  4. Cyhoeddwyd
  5. E-gyhoeddi cyn argraffu

    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 Tach 2024, (E-gyhoeddi cyn argraffu) Yn: Journal of Lightwave Technology.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. E-gyhoeddi cyn argraffu

    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 Hyd 2024, (E-gyhoeddi cyn argraffu) Yn: Photonics. 11, 11, 1021.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

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

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  8. Wedi ei Dderbyn / Yn y wasg
  9. Cyhoeddwyd

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

    Gonem, O., Giddings, R. & Tang, J., 15 Maw 2024, Yn: Journal of Lightwave Technology. 42, 6, t. 1773-1785 13 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd
  11. 2023
  12. Cyhoeddwyd

    Experimental Demonstration of Soft-ROADMs with Drop Signal Phase Independent Performance for PTMP 5G Fronthauls

    Gonem, O., Giddings, R. & Tang, J., 2 Tach 2023.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  13. Cyhoeddwyd

    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 Gorff 2023, Yn: Journal of Lightwave Technology. 41, 14, t. 4743-4754 12 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    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 Gorff 2023, Yn: Journal of Lightwave Technology. 41, 14, t. 4644-4654 11 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    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., Gorff 2023.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  16. Cyhoeddwyd

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

    Giddings, R., Gonem, O. & Tang, J., Gorff 2023, t. 1-6. 6 t.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  17. Cyhoeddwyd

    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 Ebr 2023, Yn: Photonics.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

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

    Giddings, R., Tyagi, T. & Tang, J., 1 Chwef 2023, Yn: IEEE Photonics Technology Letters. 35, 3, t. 148 - 151 4 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    Experimental Demonstration of a Dual-Arm Drop Element-Based Soft-ROADM for Future Optical-Wireless Converged Access Networks

    Gonem, O., Giddings, R. & Tang, J., 2023, t. 1-5. 5 t.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  20. 2022
  21. Cyhoeddwyd

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

    Giddings, R., Tyagi, T. & Tang, J., Rhag 2022, Yn: Optical Fiber Technology. 74, 26 t., 103106.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. Cyhoeddwyd

    DSP-Based Physical Layer Security for Coherent Optical Communication Systems

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

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  23. Cyhoeddwyd

    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 Gorff 2022, Yn: Journal of Lightwave Technology.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    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 Meh 2022, Yn: Journal of Lightwave Technology. 40, 12, t. 3709-3722

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    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 Ebr 2022, 2022 Optical Fiber Communications Conference and Exhibition (OFC). IEEE

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddCyfraniad i Gynhadleddadolygiad gan gymheiriaid

  26. Cyhoeddwyd

    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 Maw 2022, Yn: Optics Express. 30, 6, t. 10019-10031 13 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. Cyhoeddwyd

    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, t. 1-2. 2 t.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  28. 2021
  29. Cyhoeddwyd

    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 Rhag 2021, Yn: Journal of Lightwave Technology. 39, 23, t. 7360-7369

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs

    Giddings, R., Gonem, O. & Tang, J., Rhag 2021, Yn: IEEE Photonics Journal. 13, 6, 13 t., 7200313.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    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 Tach 2021, Yn: Optics Express. 29, 25, t. 41363-41377

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

    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 Medi 2021, Yn: Sensors. 21, 17, 5903.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  33. Cyhoeddwyd

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

    Gonem, O., Giddings, R. & Tang, J., 26 Gorff 2021. 2 t.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  34. Cyhoeddwyd

    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 Meh 2021.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapuradolygiad gan gymheiriaid

  35. Cyhoeddwyd

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

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

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    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., Ebr 2021, Yn: IEEE Photonics Journal. 13, 2, 12 t., 7900512.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  37. 2020
  38. Cyhoeddwyd

    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., Hyd 2020, Yn: IEEE Photonics Journal. 12, 5, 10 t., 7905311.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  39. Cyhoeddwyd

    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 Gorff 2020, Yn: Journal of Lightwave Technology. 38, 14, t. 3573-3583

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  40. Cyhoeddwyd

    Experimental Demonstrations of Hybrid OFDM-Digital Filter Multiple Access PONs

    Jin, W., Zhong, Z., He, J., Sankoh, A., Giddings, R., Hong, Y., Pierce, I., O'Sullivan, M., Laperle, C., Lee, J., Mariani, G., Durrant, T. & Tang, J., 1 Gorff 2020, Yn: IEEE Photonics Technology Letters. 32, 13, t. 751-754

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Hybrid SSB OFDM-Digital Filter Multiple Access PONs

    Jin, W., Sankoh, A., Dong, Y., Giddings, R., O'Sullivan, M., Durrant, T., Lee, J. & Tang, J., 15 Ebr 2020, Yn: Journal of Lightwave Technology. 38, 8, t. 2095 - 2105

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. 2019
  43. Cyhoeddwyd

    Experimental Demonstration of a Real-Time Digital Filter Multiple Access PON with Low Complexity DSP-Based Interference Cancellation

    Al-Rawachy, E., Giddings, R. P. & Tang, J., 1 Medi 2019, Yn: Journal of Lightwave Technology. 37, 17, t. 4315-4329 14 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Hybrid DFT-spread OFDM-Digital Filter Multiple Access PONs for Converged 5G Networks

    Dong, Y. X., Jin, W., Giddings, R. P., O'Sullivan, M., Tipper, A., Durrant, T. & Tang, J. M., Gorff 2019, Yn: IEEE Journal of Optical Communications and Networking. 11, 7, t. 347-353

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. Cyhoeddwyd

    Subcarrier index-power modulated optical OFDM with dual superposition multiplexing for IMDD PON systems

    Halabi, F., Chen, L., Giddings, R. P., Hamie, A., Dumas, Y., Freyssinet, P., Aupetit-Berthelemot, C. & Tang, J. M., 15 Chwef 2019, Yn: Optics Communications. 433, t. 190-194

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  46. Cyhoeddwyd

    Real-Time experimental demonstration of DSP-enabled soft-ROADMs with multi-level flexible add/drop functions for cloud access networks

    Al-Rawachy, E., Giddings, R. & Tang, J., 7 Ion 2019, Yn: Optics Express. 27, 1, t. 16-33

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  47. 2018
  48. Cyhoeddwyd

    Hybrid OFDM-Digital Filter Multiple Access PONs

    Dong, Y., Giddings, R. P. & Tang, J., 1 Rhag 2018, Yn: Journal of Lightwave Technology. 36, 23, t. 5640-5649

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Subcarrier Index-Power Modulated-Optical OFDM with Dual Superposition Multiplexing for Directly Modulated DFB-based IMDD PON Systems

    Chen, L., Halabi, F., Giddings, R. P., Zhang, J. & Tang, J., Rhag 2018, Yn: IEEE Photonics Journal. 10, 6, 7908113.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Cyhoeddwyd

    Analytical Solution of Stage-dependent Bit Resolution of Full Parallel Variable Point FFTs for Real-time DSP Implementation

    Zhang, J., Wang, J., Giddings, R., Zhang, Q., Peng, J., Chen, J. & Tang, J., 15 Tach 2018, Yn: Journal of Lightwave Technology. 36, 22, t. 5177-5187

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  51. Cyhoeddwyd

    Subcarrier Grouping-Enabled Improvement in Transmission Performance of Subcarrier Index-Power Modulated Optical OFDM for IM/DD PON Systems

    Al Halabi, F., Chen, L., Giddings, R., Hamie, A. & Tang, J., 15 Hyd 2018, Yn: Journal of Lightwave Technology. 36, 20, t. 4792-4798

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  52. 2017
  53. Cyhoeddwyd

    Performance Tolerance of IMDD DFMA PONs to Channel Frequency Response Roll-off

    Giddings, R., Duan, X., Mansoor, S. & Tang, J., 1 Hyd 2017, Yn: IEEE Photonics Technology Letters. 29, 19, t. 1655-1658 4 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  54. Cyhoeddwyd

    Experimental demonstrations of 30Gb/s/λ digital orthogonal filtering-multiplexed multiple channel transmissions over IMDD PON systems utilizing 10G-class optical devices

    Deng, M., Sankoh, A., Giddings, R. & Tang, J., 25 Medi 2017, Yn: Optics Express. 25, 20, t. 24251-24261

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  55. Cyhoeddwyd

    DSP-enabled reconfigurable and transparent spectral converters for converging optical and mobile fronthaul/backhaul networks

    Mao, M. Z., Giddings, R., Cao, B. Y., Xu, Y. T., Wang, M. & Tang, J., 9 Meh 2017, Yn: Optics Express. t. 13836-13856

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  56. Cyhoeddwyd

    Experimental demonstration of a DSP-based cross-channel interference cancellation technique for application in digital filter multiple access PONs

    Giddings, R., Al-Rawachy, E. & Tang, J., 14 Chwef 2017, Yn: Optics Express. 25, 4, t. 3850-3862 13 t., 270560.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  57. Cyhoeddwyd

    Experimental Demonstration of Upstream Transmission in Digital Filter Multiple Access PONs with Real-time Reconfigurable Optical Network Units

    Giddings, R., Duan, X., Mansoor, S. & Tang, J., 26 Ion 2017, Yn: IEEE Journal of Optical Communications and Networking. 9, 1, t. 45-52 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  58. Cyhoeddwyd

    Multiple Channel Interference Cancellation of Digital Filter Multiple Access PONs

    Dong, Y., Al-Rawachy, E., Giddings, R. P., Jin, W., Nesset, D. & Tang, J., Ion 2017, Yn: Journal of Lightwave Technology. 35, 1, t. 34-44

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

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