no code implementations • 24 Feb 2024 • Hui Chen, Pinjun Zheng, Yu Ge, Ahmed Elzanaty, Jiguang He, Tareq Y. Al-Naffouri, Henk Wymeersch
Considering the array size could be much larger than an obstacle, the effect of partial blockage (i. e., a portion of antennas are blocked) is investigated, and a blockage detection algorithm is proposed.
no code implementations • 10 Oct 2023 • Ahmed Elzanaty, Jiuyu Liu, Anna Guerra, Francesco Guidi, Yi Ma, Rahim Tafazolli
The upcoming 6G technology is expected to operate in near-field (NF) radiating conditions thanks to high-frequency and electrically large antenna arrays.
no code implementations • 7 Mar 2023 • Somayeh Aghashahi, Zolfa Zeinalpour-Yazdi, Aliakbar Tadaion, Mahdi Boloursaz Mashhadi, Ahmed Elzanaty
In this letter, we investigate the signal-to-interference-plus-noise-ratio (SINR) maximization problem in a multi-user massive multiple-input-multiple-output (massive MIMO) system enabled with multiple reconfigurable intelligent surfaces (RISs).
no code implementations • 9 Feb 2023 • Lin Chen, Ahmed Elzanaty, Mustafa A. Kishk, Luca Chiaraviglio, Mohamed-Slim Alouini
Tuning the system parameters such as the BS density and the minimum distance from a BS to restricted areas, we show a trade-off between reducing the population's exposure to EMF and enhancing the network coverage performance.
1 code implementation • 30 May 2022 • Hui Chen, Ahmed Elzanaty, Reza Ghazalian, Musa Furkan Keskin, Riku Jäntti, Henk Wymeersch
Radio localization is applied in high-frequency (e. g., mmWave and THz) systems to support communication and to provide location-based services without extra infrastructure.
no code implementations • 19 Oct 2021 • Hussam Ibraiwish, Ahmed Elzanaty, Yazan H. Al-Badarneh, Mohamed-Slim Alouini
The deployment of the 5th-generation cellular networks (5G) and beyond has triggered health concerns due to the electric and magnetic fields (EMF) exposure.
no code implementations • 29 May 2021 • Zhengying Lou, Ahmed Elzanaty, Mohamed-Slim Alouini
Eventually, we show that TUAVs with green antennas can effectively mitigate the EMF exposure by more than 20% compared to fixed green small cells while achieving a higher data rate.
no code implementations • 26 Jan 2021 • Yazan H. Al-Badarneh, Ahmed Elzanaty, Mohamed-Slim Alouini
Spectrum sharing backscatter communication systems are among the most prominent technologies for ultralow power and spectrum efficient communications.
Information Theory Information Theory
1 code implementation • 26 Jan 2021 • Ahmed M. Abdelmoniem, Ahmed Elzanaty, Mohamed-Slim Alouini, Marco Canini
Many proposals exploit the compressibility of the gradients and propose lossy compression techniques to speed up the communication stage of distributed training.
no code implementations • 11 Sep 2020 • Sidrah Javed, Ahmed Elzanaty, Osama Amin, Basem Shihada, Mohamed-Slim Alouini
We further present a hybrid shaping (HS) design to gain the combined benefits of both PS and geometric shaping (GS).
no code implementations • 1 Jun 2020 • Luca Chiaraviglio, Ahmed Elzanaty, Mohamed-Slim Alouini
Finally, we examine the risk mitigation techniques based on communications engineering that can be implemented to reduce the exposure from 5G gNB and UE.