RIShield: Reconfigurable Intelligent Surfaces for Electromagnetic Blackout in Radiation-Sensitive Environments
RIShield leverages Reconfigurable Intelligent Surfaces (RIS) to create an intelligent and dynamic electromagnetic shield that can isolate and protect radiation-sensitive environments from unwanted signal leakage.
Zak-OTFS Modulation for Integrated Sensing and Communication in Doubly-Spread Channels
Zak-OTFS modulation enables the integration of sensing and communication within a single OTFS subframe by using different lattices for data transmission and sensing. A spread pilot pulsone is designed to have a self-ambiguity function supported on a rotated lattice, enabling accurate channel estimation without interfering with the data pulsones.
Next Generation Multiple Access Techniques for 5G and Beyond: Enabling Multi-Domain Utilization, Multi-Mode Compatibility, and Multi-Dimensional Optimality
NOMA assisted NGMA should have three key features: multi-domain utilization, multi-mode compatibility, and multi-dimensional optimality, to effectively support the key usage scenarios of IMT-2030 and beyond.
Channel Orthogonalization with Reconfigurable Surfaces: Models, Limits, and Configuration
Efficiently exploiting spatial domain for orthogonal channels using reconfigurable surfaces.
Ultra-Dense Cell-Free Massive MIMO for 6G: Technical Overview and Open Questions
The authors explore the potential of Ultra-Dense Cell-Free Massive MIMO for 6G networks, addressing key challenges and open questions to facilitate future research directions.
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