Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

  1. 2016
  2. Published

    Stage-dependent DSP Operation Range Clipping-induced Bit Resolution Reductions of Full Parallel 64-point FFTs Incorporated in FPGA-based Optical OFDM Receivers

    Zhang, J., Tang, Z., Giddings, R., Wu, Q., Wang, W., Cao, B., Zhang, Q. & Tang, J. M., 15 Aug 2016, In: Journal of Lightwave Technology. 34, 16, p. 3752-3760

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Technical and Market Feasibility of High-Speed Software-Reconfigurable OOFDM/DFMA-based Optical Transceiversfor Next Generation Access Network PONs

    Dorward, R. M., Anderson, M. J. & Giddings, R. P., 25 Aug 2016.

    Research output: Contribution to conferencePaperpeer-review

  4. Published

    Multi-Level Subcarrier Index-Power Modulated Optical OFDM with Adaptive Bit Loading for IMDD PON Systems

    Al Halabi, F., Chen, L., Giddings, R., Tang, J. & Hamie, A., 11 Nov 2016, In: IEEE Photonics Journal. 99

    Research output: Contribution to journalArticlepeer-review

  5. Published

    Subcarrier Index-Power Modulated Optical OFDM With Superposition Multiplexing for IMDD Transmission Systems

    Chen, L., Al Halabi, F., Giddings, R. & Tang, J., 12 Nov 2016, In: Journal of Lightwave Technology. 34, 22, p. 5284 - 5292

    Research output: Contribution to journalArticlepeer-review

  6. 2017
  7. Published

    Multiple Channel Interference Cancellation of Digital Filter Multiple Access PONs

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

    Research output: Contribution to journalArticlepeer-review

  8. Published

    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 Jan 2017, In: IEEE Journal of Optical Communications and Networking. 9, 1, p. 45-52 7 p.

    Research output: Contribution to journalArticlepeer-review

  9. Published

    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 Feb 2017, In: Optics Express. 25, 4, p. 3850-3862 13 p., 270560.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    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 Jun 2017, In: Optics Express. p. 13836-13856

    Research output: Contribution to journalArticlepeer-review

  11. Published

    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 Sept 2017, In: Optics Express. 25, 20, p. 24251-24261

    Research output: Contribution to journalArticlepeer-review

  12. Published

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

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

    Research output: Contribution to journalArticlepeer-review