All Stories

  1. Enhancing FSO-Based Non-terrestrial Network Performance by Using Adaptive Beam Control

    Article • November 2025, Springer Science + Business Media

    Professor Ngoc T. Dang

  2. Enhancing the Reliability of Hybrid FSO/Sub-THz Systems by Utilizing IRS and a Dual-Threshold Switching Mechanism

    Article • November 2025, Springer Science + Business Media

    Professor Ngoc T. Dang

  3. Optimizing UAV Trajectories in Optical IRS-Aided Hybrid FSO/RF Aerial Access Networks Using DRL Technique

    Article • EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, November 2025, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    Professor Ngoc T. Dang

  4. Leveraging RIS and QoS-Aware Transmission Rate for Energy-Efficient FSO Non-Terrestrial Networks

    Article • IEEE Transactions on Aerospace and Electronic Systems, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  5. Optical Intelligent Reflecting Surface-Assisted Multiple Users over Turbulence Channels

    Article • December 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  6. Joint Adaptive Modulation and Power Control Scheme for Energy Efficient FSO-based Non-Terrestrial Networks

    Article • EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, December 2024, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    Professor Ngoc T. Dang

  7. MAC Protocols for UAV-Aided Relaying Optical Ground-to-HAP Networks

    Article • October 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  8. Design and performance of entanglement-based underwater VLC/QKD systems

    Article • Optics Continuum, September 2024, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  9. Harvested Energy Evaluation of Free-Space Optics RIS-Assisted Ground-HAP-UAV System Over Composite Channels

    Article • June 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  10. Performance of satellite quantum key distribution under atmospheric turbulence-induced phase fluctuations

    Article • IET Conference Proceedings, March 2024, the Institution of Engineering and Technology (the IET)

    Professor Ngoc T. Dang

  11. Joint Adaptive Modulation and Power Control Scheme for Energy Efficient Fso-Based Non-Terrestrial Networks

    Article • January 2024, Elsevier

    Professor Ngoc T. Dang

  12. Availability of Free-Space Laser Communication Link with the Presence of Clouds in Tropical Regions

    Article • EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, August 2023, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    Professor Ngoc T. Dang

  13. Network Coding Aided Hybrid EB/PM Satellite-based FSO/QKD Systems

    Article • June 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  14. A bi-population Genetic algorithm based on multi-objective optimization for a relocation scheme with target coverage constraints in mobile wireless sensor networks

    Article • Expert Systems with Applications, May 2023, Elsevier

    Professor Ngoc T. Dang

  15. Survivable free space optical mesh network using high-altitude platforms

    Article • Optical Switching and Networking, February 2023, Elsevier

    Professor Ngoc T. Dang

  16. Satellite continuous-variable quantum key distribution systems using code-division multiple access

    Article • Optics Continuum, January 2023, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  17. Optimal Multiple FSO Transceiver Configuration for Using on High-Altitude Platforms

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  18. Enhancing Design and Performance Analysis of Satellite Entanglement-Based CV-QKD/FSO Systems

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  19. Performance Enhancement of Satellite-to-Ground FSO System using Deep Learning-Based Detection

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  20. Quantum Key Distribution: A Security Solution for 5G-based IoT Networks

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  21. On the Design of Rate Adaptation for Relay-Assisted Satellite Hybrid FSO/RF Systems

    Article • IEEE Photonics Journal, February 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  22. An Ingeniously Integrated Two-Factor Authentication Scheme for Smart Communications and Control Systems

    Article • SSRN Electronic Journal, January 2022, Elsevier

    Professor Ngoc T. Dang

  23. On the Design of Rate Adaptation for Relay-Assisted Satellite Hybrid FSO/RF Systems

    Article • December 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  24. Average Transmission Rate and Outage Performance of Relay-Assisted Satellite Hybrid FSO/RF Systems

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  25. HAP-aided two-way relaying for FSO access networks using optical CDMA

    Article • Optical Engineering, September 2021, SPIE

    Professor Ngoc T. Dang

  26. Average Transmission Rate and Outage Performance of Relay-Assisted Satellite Hybrid FSO/RF Systems

    Article • July 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  27. Reliability improvement of satellite-based quantum key distribution systems using retransmission scheme

    Article • Photonic Network Communications, June 2021, Springer Science + Business Media

    Professor Ngoc T. Dang

  28. Satellite Quantum Key Distribution for Vehicular Visible Light Communication Networks

    Article • January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  29. Comprehensive performance analysis of satellite-to-ground FSO/QKD systems using key retransmission

    Article • Optical Engineering, December 2020, SPIE

    Professor Ngoc T. Dang

  30. Outage Performance of HAP-UAV FSO Links with Gaussian Beam and UAV Hovering

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  31. UAV-based FSO Systems using SC-QAM Signaling over Fading Channels with Misalignment

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  32. Performance Enhancement of Satellite FSO/QKD Systems using HAP-based Relaying and ARQ

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  33. Quantum key distribution solution over indoor visible light communication networks

    Article • March 2020, SPIE

    Professor Ngoc T. Dang

  34. Design and Performance of Relay-Assisted Satellite Free-Space Optical Quantum Key Distribution Systems

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  35. Performance of Generalized QAM/FSO Systems With Pointing Misalignment and Phase Error Over Atmospheric Turbulence Channels

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  36. Dimensioning of Free-Space Optical Mesh Network Using High-Altitude Platforms

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  37. HAP-based Multi-hop FSO Systems Using All-Optical Relaying and Coherent Receiver

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  38. Satellite-based Free-Space Quantum Key Distribution Systems using QPSK Modulation and Heterodyne Detection Receiver

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  39. Analog network coding aided multiuser visible light communication networks using optical CDMA

    Article • OSA Continuum, August 2019, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  40. A PHY/MAC Cross-Layer Analysis for IEEE 802.15.7 Uplink Visible Local Area Network

    Article • IEEE Photonics Journal, June 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  41. HAP-Aided Relaying Satellite FSO/QKD Systems for Secure Vehicular Networks

    Article • April 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  42. Development of Dynamic QoT-aware Lightpath Provisioning Scheme with Flexible Advanced Reservation for Distributed Multi-domain Elastic Optical Networks

    Article • January 2019, ACM (Association for Computing Machinery)

    Professor Ngoc T. Dang

  43. Quantum Key Distribution over Hybrid Fiber-Wireless System for Mobile Networks

    Article • January 2019, ACM (Association for Computing Machinery)

    Professor Ngoc T. Dang

  44. Performance enhancement of LEO-to-ground FSO systems using All-optical HAP-based relaying

    Article • Physical Communication, December 2018, Elsevier

    Professor Ngoc T. Dang

  45. Performance of SIM/S-QAM FSO Systems with Phase Errors in Gamma-Gamma Turbulence Channels

    Article • October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  46. Spectrum Utilization Efficiency of Elastic Optical Networks Utilizing Coarse Granular Routing

    Article • Informatica, September 2018, Slovenian Association Informatika

    Professor Ngoc T. Dang

  47. Performance Enhancement of HAP-Based Relaying M-PPM FSO System Using Spatial Diversity and Heterodyne Detection Receiver

    Article • Journal of Optical Communications, June 2018, De Gruyter

    Professor Ngoc T. Dang

  48. A novel bidirectional half-duplex fronthaul system using MMW/RoF and analog network coding

    Article • Physical Communication, June 2018, Elsevier

    Professor Ngoc T. Dang

  49. Evolution in Broadband Backhaul Networks

    Article • Optics Communications, March 2018, Elsevier

    Minh Quang Vu, Professor Ngoc T. Dang

  50. Design and Security Analysis of Quantum Key Distribution Protocol Over Free-Space Optics Using Dual-Threshold Direct-Detection Receiver

    Article • IEEE Access, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  51. Spectrum Utilization of Coarse Granular Routing Elastic Optical Networks

    Article • December 2017, ACM (Association for Computing Machinery)

    Professor Ngoc T. Dang

  52. Topology Design and Cross-Layer Optimization for FSO Mesh Networks Impaired by Atmospheric Turbulence and Misalignment Fading

    Article • Journal of Optical Communications and Networking, November 2017, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  53. HAP-based FSO system using all-optical detect-amplify-and-forward relaying and coherent detection receiver

    Article • November 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  54. Impact of optical regeneration on dynamic elastic optical networks

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  55. A novel hybrid fiber-wireless RoF/MMW system using bidirectional amplify-and-forward relaying

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  56. High-capacity mixed fiber-wireless backhaul networks using MMW radio-over-MCF and MIMO

    Article • Optics Communications, October 2017, Elsevier

    Professor Ngoc T. Dang

  57. On the performance of TCP cubic over fading channels with AMC schemes

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  58. Performance Analysis of Hybrid Fiber/FSO Backhaul Downlink over WDM-PON Impaired by Four-Wave Mixing

    Article • Journal of Optical Communications, September 2017, De Gruyter

    Professor Ngoc T. Dang, MINH TU

  59. Performance improvement of spatial modulation-assisted FSO systems over Gamma–Gamma fading channels with geometric spreading

    Article • Photonic Network Communications, January 2017, Springer Science + Business Media

    Professor Ngoc T. Dang

  60. Numerical Analysis of the Performance of Millimeter-Wave RoF-Based Cellular Backhaul Links

    Article • Journal of Optical Communications, January 2017, De Gruyter

    Professor Ngoc T. Dang

  61. Design and optimization of FSO mesh networks over atmospheric turbulence and misalignment fading channels

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  62. Performance analysis of gigabit-capable mobile backhaul networks exploiting TWDM-PON and FSO technologies

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  63. All-optical two-way relaying dual-hop FSO systems using network coding over atmospheric turbulence channel

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  64. Performance analysis of network-coded two-way dual-hop mixed FSO/RF systems

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  65. Spectrum utilization efficiency in elastic optical networks using virtualized elastic regenerators

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  66. Performance analysis of MMW/RoF link in broadband optical-wireless access networks

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  67. Dynamic RMSA algorithm for multi-domain EONs with limited virtualized elastic regenerators

    Article • July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  68. Performance of All-Optical Amplify-and-Forward WDM/FSO Relaying Systems over Atmospheric Dispersive Turbulence Channels

    Article • IEICE Transactions on Communications, January 2016, Institute of Electronics, Information and Communications Engineers (IEICE)

    Professor Ngoc T. Dang

  69. Dynamic provisioning in multi-stage routing optical path networks

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  70. Secured relay-assisted atmospheric optical code-division multiple-access systems over turbulence channels

    Article • IET Optoelectronics, October 2015, the Institution of Engineering and Technology (the IET)

    Professor Anh T. Pham, Professor Ngoc T. Dang

  71. All-Optical Relaying FSO Systems Using EDFA Combined With Optical Hard-Limiter Over Atmospheric Turbulence Channels

    Article • Journal of Lightwave Technology, October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  72. Dynamic multi-domain elastic optical networks with 4R regeneration capable border nodes

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  73. Effects of noise and distortion on performance of OFDM millimeter-wave RoF systems

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  74. All-optical AF relaying FSO systems using EDFA combined with OHL over Gamma-Gamma channels

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  75. Hybrid free-space optics/millimeter-wave architecture for 5G cellular backhaul networks

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  76. Performance analysis of spatial PPM-based free-space optical communication systems with Gaussian beam

    Article • October 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  77. A survey of performance improvement methods for free-space optical communication systems

    Article • October 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  78. Performance Analysis of 2-D OCDMA Systems using Novel Multi-Code Pulse-Position Modulation

    Article • IET Communications, July 2014, the Institution of Engineering and Technology (the IET)

    Professor Ngoc T. Dang

  79. Optical amplify-and-forward multihop WDM/FSO for all-optical access networks

    Article • July 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  80. APD-based amplify-and-forward serial relaying FSO systems over Gamma-Gamma channels

    Article • July 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  81. Performance of relay-assisted free-space optical CDMA systems over log-normal atmospheric turbulence channels

    Article • July 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  82. Performance of multi-hop M-ary PPM FSO systems with SIMO links over strong atmospheric turbulence channel and pointing errors

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  83. BER analysis of all-optical AF dual-hop FSO systems over Gamma-Gamma channels

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  84. Average BER analysis of multihop FSO systems over strong turbulence and misalignment fading channels

    Article • August 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  85. A Comprehensive Model for Performance Analysis of APD-based FSO Systems using M-PPM Signaling in Atmospheric Turbulence

    Article • REV Journal on Electronics and Communications, June 2013, The Radio and Electronics Association of Vietnam (REV)

    Professor Ngoc T. Dang

  86. Bit Error Rate Analysis of Rectangular QAM/FSO Systems Using an APD Receiver Over Atmospheric Turbulence Channels

    Article • Journal of Optical Communications and Networking, April 2013, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  87. A novel access protocol for collision-free and low-latency OBS-ring networks

    Article • January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  88. Performance improvement of FSO/CDMA systems over dispersive turbulence channel using multi-wavelength PPM signaling

    Article • Optics Express, November 2012, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  89. Performance of rectangular QAM/FSO systems using APD receiver over atmospheric turbulence channels

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  90. The effects of EDFA noise on the performance of multi-wavelength OCDM-based Long-reach Passive Optical Networks

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  91. Performance analysis of two-dimensional optical code-division multiple-access systems using novel multi-code pulse-position modulation

    Article • IET Communications, October 2012, the Institution of Engineering and Technology (the IET)

    Professor Ngoc T. Dang

  92. Reducing atmospheric turbulence effects in FSO/CDMA systems by using multi-wavelength PPM signaling

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  93. A comprehensive performance analysis of PPM-based FSO systems with APD receiver in atmospheric turbulence

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  94. A novel scheme of optical code-based header processing for OBS networks using JIT signaling

    Article • August 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  95. Performance enhancement of 2-D optical CDMA systems using MCM signalling and heterodyne detection receiver

    Article • Transactions on Emerging Telecommunications Technologies, February 2012, Wiley

    Professor Ngoc T. Dang

  96. Novel multi-code pulse position modulation for performance improvement of 2-D OCDMA systems

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  97. A novel scheme of 2-D optical code label for core GMPLS networks

    Article • August 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  98. Reducing the Dispersion Effects in Multiwavelength Optical CDMA Systems by Using MCM Signaling

    Article • Journal of Optical Communications and Networking, October 2010, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  99. Channel coding for 2-D FSO/CDMA systems over strong atmospheric turbulence channels

    Article • August 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  100. Novel 2-D OCDMA systems using multi-code modulation and optical hard-limiters

    Article • August 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  101. Performance enhancement of 2-D OCDMA systems using multi-code modulation and heterodyne detection

    Article • June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  102. Performance analysis of incoherent multi-wavelength OCDMA systems under the impact of four-wave mixing

    Article • Optics Express, April 2010, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  103. Performance Bound for Turbo-Coded 2-D FSO/CDMA Systems over Atmospheric Turbulence Channels

    Article • IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, January 2010, Institute of Electronics, Information and Communications Engineers (IEICE)

    Professor Ngoc T. Dang

  104. Beat Noise Cancellation in 2-D Optical Code-Division Multiple-Access Systems Using Optical Hard-Limiter Array

    Article • IEICE Transactions on Communications, January 2010, Institute of Electronics, Information and Communications Engineers (IEICE)

    Professor Ngoc T. Dang

  105. FWM impairment in multi-wavelength optical code-division multiplexing systems

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  106. Performance Analysis of Spectral Amplitude Encoding OCDM Systems Over a Linear Dispersive Optical Channel

    Article • Journal of Optical Communications and Networking, October 2009, Optical Society of America (OSA)

    Professor Ngoc T. Dang

  107. Beat noise cancellation in 2-D OCDMA systems using Optical Hard-limiter Array

    Article • October 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  108. Impact of four wave mixing on 2-D optical code-division multiplexing systems

    Article • July 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang

  109. Impact of GVD on the Performance of 2-D WH/TS OCDMA Systems Using Heterodyne Detection Receiver

    Article • IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, January 2009, Institute of Electronics, Information and Communications Engineers (IEICE)

    Professor Ngoc T. Dang

  110. Modeling the impact of group velocity dispersion on the performance of 2-D WH/TS OCDMA systems

    Article • November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ngoc T. Dang