8 papers
Range Ambiguity Identification and Elimination by Leveraging Temporal Broadening Effect for THz Sensing
Saira Rafique, Ahmed Naeem, Chong Han +1
High pulse repetition frequency (PRF) operation improves Doppler unambiguous sensing but reduces the maximum unambiguous range of a terahertz (THz) pulsed radar. Echoes from target…
Joint User Association and Pilot Assignment via Phase-Shifted Pilots for Scalable Cell-Free mMIMO
Mumtaz Ozlen, Ahmet Sacid Sumer, Ahmed Naeem +1
Cell-free massive multiple-input multiple-output (CF-mMIMO) promises uniform service across the coverage area, and this service relies on accurate channel estimation for every user…
An HFM-Inspired Random Access Preamble Design for NTN under High Doppler
Mehwish Bibi, Saira Rafique, Ahmed Naeem +1
Non-terrestrial networks (NTNs) are a key enabler of ubiquitous 6G connectivity, but the high orbital velocity and long propagation distances in low-Earth orbit (LEO) NTN operation…
Temporal Broadening-Aware Multiplexing for Joint Sensing and Communication in THz Band
Saira Rafique, Ahmed Naeem, Huseyin Arslan
High-resolution wireless sensing has become an integral component of futuristic 6G networks alongside high-rate communication. Terahertz (THz) band enables both functions through i…
Phase-Shifted Pilot Design for NOMA-Empowered Uplink ISAC Systems
Ahmet Sacid Sümer, Ebubekir Memişoğlu, Hüseyin Arslan
The deployment of multiple transmitters (TXs) in integrated sensing and communication (ISAC) networks necessitates efficient resource sharing to overcome the limitations of orthogo…
Unified Interference-Aware Water-Filling for QoS-Constrained Communication, Sensing, and JRC
Ahmed Naeem, Anastassia Gharib, Hüseyin Arslan
Water-filling (WF) algorithms are pivotal in maximizing capacity and spectral efficiency in multiple-input and multiple-output (MIMO) systems. However, traditional WF approaches ca…
Scalable Association of Users in CF-mMIMO: A Synergy of Communication, Sensing, and JCAS
Ahmed Naeem, Anastassia Gharib, El Mehdi Amhoud +1
Cell-free massive multiple-input multiple-output (CF-mMIMO) is a key enabler for the sixth generation (6G) networks, offering unprecedented spectral efficiency and ubiquitous cover…
Joint Adaptive OFDM and Reinforcement Learning Design for Autonomous Vehicles: Leveraging Age of Updates
Mamady Delamou, Ahmed Naeem, Huseyin Arslan +1
Millimeter wave (mmWave)-based orthogonal frequency-division multiplexing (OFDM) stands out as a suitable alternative for high-resolution sensing and high-speed data transmission.…