376 citations · 528 across the 84 of their papers we have counts for
14 papers · 1 filter
Integration of Beyond Diagonal RIS and UAVs in 6G NTNs: Enhancing Aerial Connectivity
Wali Ullah Khan, Eva Lagunas, Asad Mahmood +3
The reconfigurable intelligent surface (RIS) technology shows great potential in sixth-generation (6G) terrestrial and non-terrestrial networks (NTNs) since it can effectively chan…
Seamless 5G Automotive Connectivity with Integrated Satellite Terrestrial Networks in C-Band
Hung Nguyen-Kha, Vu Nguyen Ha, Eva Lagunas +2
This paper examines integrated satellite-terrestrial networks (ISTNs) in urban environments, where terrestrial networks (TNs) and non-terrestrial networks (NTNs) share the same fre…
CR-Enabled NOMA Integrated Non-Terrestrial IoT Networks with Transmissive RIS
Wali Ullah Khan, Zain Ali, Asad Mahmood +3
This work proposes a T-RIS-equipped LEO satellite communication in cognitive radio-enabled integrated NTNs. In the proposed system, a GEO satellite operates as a primary network, a…
Deep Reinforcement Learning for Network Energy Saving in 6G and Beyond Networks
Dinh-Hieu Tran, Nguyen Van Huynh, Soumeya Kaada +3
Network energy saving has received great attention from operators and vendors to reduce energy consumption and CO2 emissions to the environment as well as significantly reduce cost…
Optimal Linear Precoding Under Realistic Satellite Communications Scenarios
Geoffrey Eappen, Jorge Luis Gonzalez, Vibhum Singh +10
In this paper, optimal linear precoding for the multibeam geostationary earth orbit (GEO) satellite with the multi-user (MU) multiple-input-multiple-output (MIMO) downlink scenario…
Non-Terrestrial Networks for 6G: Integrated, Intelligent and Ubiquitous Connectivity
Muhammad Ali Jamshed, Aryan Kaushik, Miguel Dajer +6
Universal connectivity has been part of past and current generations of wireless systems, but as we approach 6G, the subject of social responsibility is being built as a core compo…
Beyond Diagonal IRS Assisted Ultra Massive THz Systems: A Low Resolution Approach
Wali Ullah Khan, Chandan Kumar Sheemar, Zaid Abdullah +2
The terahertz communications have the potential to revolutionize data transfer with unmatched speed and facilitate the development of new high-bandwidth applications. This paper st…
Beyond Diagonal RIS for 6G Non-Terrestrial Networks: Potentials and Challenges
Wali Ullah Khan, Asad Mahmood, Muhammad Ali Jamshed +3
Reconfigurable intelligent surface (RIS) has emerged as a promising technology in both terrestrial and non-terrestrial networks (NTNs) due to its ability to manipulate wireless env…
A Deep-NN Beamforming Approach for Dual Function Radar-Communication THz UAV
Gianluca Fontanesi, Anna Guerra, Francesco Guidi +7
In this paper, we consider a scenario with one UAV equipped with a ULA, which sends combined information and sensing signals to communicate with multiple GBS and, at the same time,…
An Experimental Study of C-Band Channel Model in Integrated LEO Satellite and Terrestrial Systems
Hung Nguyen-Kha, Vu Nguyen Ha, Eva Lagunas +2
This paper studies the channel model for the integrated satellite-terrestrial networks operating at C-band under deployment in dense urban and rural areas. Particularly, the interf…
Optimizing Satellite Network Infrastructure: A Joint Approach to Gateway Placement and Routing
Yuma Abe, Flor Ortiz, Eva Lagunas +3
Satellite constellation systems are becoming more attractive to provide communication services worldwide, especially in areas without network connectivity. While optimizing satelli…
Artificial Intelligence Satellite Telecommunication Testbed using Commercial Off-The-Shelf Chipsets
Luis M. Garcés-Socarrás, Amirhossein Nik, Flor Ortiz +13
The Artificial Intelligence Satellite Telecommunications Testbed (AISTT), part of the ESA project SPAICE, is focused on the transformation of the satellite payload by using artific…
Emerging NGSO Constellations: Spectral Coexistence with GSO Satellite Communication Systems
Flor Ortiz, Eva Lagunas, Almoatssimbillah Saifaldawla +3
Global communications have undergone a paradigm shift with the rapid expansion of low-earth orbit (LEO) satellite constellations, offering a new space era of reduced latency and ub…
Performance Evaluation of Neuromorphic Hardware for Onboard Satellite Communication Applications
Eva Lagunas, Flor Ortiz, Geoffrey Eappen +7
Spiking neural networks (SNNs) implemented on neuromorphic processors (NPs) can enhance the energy efficiency of deployments of artificial intelligence (AI) for specific workloads.…