Dr Roger Giddings
Senior Lecturer in Optical Communications & DSP

- 2024
- 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 Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- Wedi ei Dderbyn / Yn y wasg
Experimental Investigation of a Seamlessly Converged Fiber-Wireless Access Network Employing Free-Running Laser- and Envelope Detection-based mmWave Generation and Detection
Vallejo Castro, L., Gonem, O., Jin, W., Faruk, M. S., Giddings, R., Yi, X. & Tang, J., 21 Tach 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: Optics Express.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Seamless Fiber-Wireless Access Network Convergence with Dynamic O-E-O Conversion-less Sub-Wavelength Switching and Tunable Photonic mmWave Generation
Gonem, O., Vallejo Castro, L., He, J., Giddings, R., Jin, W., Yi, X., Faruk, M. S. & Tang, J., 15 Tach 2024.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- Wedi ei Dderbyn / Yn y wasg
Soft-ROADM-enabled Seamlessly Converged Optical-Wireless Access Networks with Free-Running Laser-based Tunable mmWave Generation and RF Envelope Detection
Vallejo Castro, L., Gonem, O., Jin, W., Giddings, R. & Tang, J., 28 Maw 2024, (Wedi ei Dderbyn / Yn y wasg).Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental Demonstrations of Point-to-Multipoint Flexible Optical Transceiver-Enabled Concurrent Direct Inter-ONU and Upstream Communications in IMDD PONs
Jin, W., Chen, L., He, J., Giddings, R., Hao, M. & Tang, J., 1 Ion 2024.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- 2023
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 2022
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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, 5Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 3709-3722Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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). IEEEAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Cyfraniad i Gynhadledd › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 2021
- 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. 7360-7369Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 41363-41377Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gynhadledd › Papur › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2020
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 3573-3583Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 751-754Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 - 2105Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2019
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 347-353Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 190-194Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 16-33Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2018
- 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. 5640-5649Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 5177-5187Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 4792-4798Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2017
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 24251-24261Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 13836-13856Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 34-44Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid