Hedieh Ajam

2025

• Huang Y., Papanikolaou V., Ajam H., Safari M., Schober R., Haas H., Tavakkolnia I.:
  Energy-Efficient RIS-Aided Laser-Based LiFi System with Dynamic Coverage Optimization
  2025 IEEE International Conference on Communications, ICC 2025 (Montreal, QC, CAN, June 2025 - June 2025)
  In: Matthew Valenti, David Reed, Melissa Torres (ed.): IEEE International Conference on Communications 2025
  DOI: 10.1109/ICC52391.2025.11161959
  BibTeX: Download

2024

• Shanin N., Ajam H., Papanikolaou V., Cottatellucci L., Schober R.:
  Accurate EH Modelling and Achievable Information Rate for SLIPT Systems with Multi-Junction Photovoltaic Receivers
  In: IEEE Transactions on Communications (2024), p. 1-1
  ISSN: 0090-6778
  DOI: 10.1109/TCOMM.2024.3420694
  BibTeX: Download

2023

• Ajam H., Najafi M., Jamali V., Schober R.:
  Optical IRSs: Power Scaling Law, Optimal Deployment, and Comparison with Relays
  In: IEEE Transactions on Communications (2023), p. 1-1
  ISSN: 0090-6778
  DOI: 10.1109/TCOMM.2023.3327464
  BibTeX: Download
• Ajam H., Schober R.:
  Optical Intelligent Reflecting Surfaces
  In: Qingqing Wu, Trung Q. Duong, Derrick Wing Kwan Ng, Robert Schober, Rui Zhang (ed.): Intelligent Surfaces Empowered 6G Wireless Network, John Wiley and Sons, Inc., 2023, p. 315-334
  ISBN: 9781119913092
  DOI: 10.1002/9781119913122.ch15
  BibTeX: Download
• Shanin N., Ajam H., Papanikolaou V., Schmauß B., Cottatellucci L., Schober R.:
  EH Modelling and Achievable Rate for FSO SWIPT Systems with Non-linear Photovoltaic Receivers
  (2023), p. 5561-5567
  ISSN: 2334-0983
  DOI: 10.48550/arXiv.2305.03524
  BibTeX: Download
• Shanin N., Ajam H., Papanikolaou VK., Schmauß B., Cottatellucci L., Schober R.:
  EH Modelling and Achievable Rate for FSO SWIPT Systems with Non-Linear Photovoltaic Receivers
  2023 IEEE Global Communications Conference, GLOBECOM 2023 (Kuala Lumpur, December 2023 - December 2023)
  In: Proceedings - IEEE Global Communications Conference, GLOBECOM 2023
  DOI: 10.1109/GLOBECOM54140.2023.10437729
  BibTeX: Download

2022

• Ajam H., Najafi Kalyani M., Jamali V., Schober R.:
  Power Scaling Law for Optical IRSs and Comparison with Optical Relays
  2022 IEEE Global Communications Conference, GLOBECOM 2022 (Virtual, December 2022 - December 2022)
  In: 2022 IEEE Global Communications Conference, GLOBECOM 2022 - Proceedings 2022
  DOI: 10.1109/GLOBECOM48099.2022.10001121
  BibTeX: Download
• Ajam H., Najafi M., Jamali Kooshkghazi V., Schmauß B., Schober R.:
  Modeling and Design of IRS-Assisted Multi-Link FSO Systems
  In: IEEE Transactions on Communications (2022)
  ISSN: 0090-6778
  DOI: 10.1109/TCOMM.2022.3163767
  BibTeX: Download

2021

• Ajam H., Najafi Kalyani M., Jamali Kooshkghazi V., Schober R.:
  Channel Modeling for IRS -Assisted FSO Systems
  IEEE Wireless Communications and Networking Conference (WCNC) (Nanjing, PEOPLES R CHINA)
  In: 2021 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), NEW YORK: 2021
  DOI: 10.1109/wcnc49053.2021.9417328
  BibTeX: Download
• Jamali V., Ajam H., Najafi M., Schmauß B., Schober R., Poor HV.:
  Intelligent Reflecting Surface Assisted Free-Space Optical Communications
  In: IEEE Communications Magazine 59 (2021), p. 57-63
  ISSN: 0163-6804
  DOI: 10.1109/MCOM.001.2100406
  BibTeX: Download

2020

• Ajam H., Najafi M., Jamali V., Schober R.:
  Ergodic Sum Rate Analysis of UAV-Based Relay Networks With Mixed RF-FSO Channels
  In: IEEE Open Journal of the Communications Society 1 (2020), p. 164-178
  ISSN: 2644-125X
  DOI: 10.1109/OJCOMS.2020.2969492
  BibTeX: Download
• Najafi M., Ajam H., Jamali V., DIamantoulakis PD., Karagiannidis GK., Schober R.:
  Statistical Modeling of the FSO Fronthaul Channel for UAV-Based Communications
  In: IEEE Transactions on Communications 68 (2020), p. 3720-3736
  ISSN: 0090-6778
  DOI: 10.1109/TCOMM.2020.2981560
  BibTeX: Download

2018

• Najafi Kalyani M., Ajam H., Jamali Kooshkghazi V., Diamantoulakis PD., Karagiannidis GK., Schober R.:
  Statistical Modeling of FSO Fronthaul Channel for Drone-Based Networks
  2018 IEEE International Conference on Communications (ICC) (Kansas City, MO, May 2018 - May 2018)
  DOI: 10.1109/ICC.2018.8422552
  BibTeX: Download

• Hedieh Ajam, Nikita Shanin, Robert Schober, Vasileios Papanikolaou, Bernhard Schmauß, Laura Cottatellucci: Best Paper Award (IEEE ComSoc Transmission, Access, and Optical Systems (TAOS) Technical Committee) – 2023
• Robert Schober, Hedieh Ajam, Marzieh Najafikalyani, Vahid Jamali Kooshkghazi: WCNC Best Paper Award (IEEE Wireless Communications and Networking Conference (WCNC)) – 2021