no code implementations • 16 May 2024 • Chenrui Sun, Gianluca Fontanesi, Swarna Bindu Chetty, Xuanyu Liang, Berk Canberk, Hamed Ahmadi
Deep Reinforcement Learning (DRL) emerges as a prime solution for Unmanned Aerial Vehicle (UAV) trajectory planning, offering proficiency in navigating high-dimensional spaces, adaptability to dynamic environments, and making sequential decisions based on real-time feedback.
no code implementations • 16 May 2024 • Xuanyu Liang, Ahmed Al-Tahmeesschi, Qiao Wang, Swarna Chetty, Chenrui Sun, Hamed Ahmadi
The proliferation of 5G technology presents an unprecedented challenge in managing the energy consumption of densely deployed network infrastructures, particularly Base Stations (BSs), which account for the majority of power usage in mobile networks.
no code implementations • 23 Apr 2024 • Ahmed Al-Tahmeesschi, Jukka Talvitie, Miguel López-Benítez, Hamed Ahmadi, Laura Ruotsalainen
This work assumes a pre-deployed BS and another BS is required to be added to support both localisation accuracy and coverage rate in an urban city scenario.
no code implementations • 26 Aug 2021 • Gianluca Fontanesi, Anding Zhu, Hamed Ahmadi
Results reveal that the smart approach is able in a high threshold regime to reduce the number of radio failures and band switches while reaching the desired destination.
no code implementations • 17 Dec 2020 • Praveen Kumar Maroju, Cesare Grazioli, Michele Di Fraia, Matteo Moioli, Dominik Ertel, Hamed Ahmadi, Oksana Plekan, Paola Finetti, Enrico Allaria, Luca Giannessi, Giovanni De Ninno, Carlo Spezzani, Giuseppe Penco, Alexander Demidovich, Miltcho Danailov, Roberto Borghes, Georgios Kourousias, Carlos Eduardo Sanches Dos Reis, Fulvio Billé, Alberto A. Lutman, Richard J. Squibb, Raimund Feifel, Paolo Carpeggiani, Maurizio Reduzzi, Tommaso Mazza, Michael Meyer, Samuel Bengtsson, Neven Ibrakovic, Emma Rose Simpson, Johan Mauritsson, Tamás Csizmadia, Mathieu Dumergue, Sergei Kühn, Harshitha N. G., Daehyun You, Kiyoshi Ueda, Marie Labeye, Jens Egebjerg Bækhøj, Kenneth J. Schafer, Elena V. Gryzlova, Alexei N. Grum-Grzhimailo, Kevin C. Prince, Carlo Callegari, Giuseppe Sansone
Here we show the first demonstration of reproducible generation of high energy ($\mathrm{\mu}$J level) attosecond waveforms using a seeded Free Electron Laser.
Optics Atomic Physics