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eess.SP2025
Joint Probing and Scheduling for Cache-Aided Hybrid Satellite-Terrestrial Networks
Zhou Zhang, Yizhu Wang, Saman Atapattu +1
Caching is crucial in hybrid satellite-terrestrial networks to reduce latency, optimize throughput, and improve data availability by storing frequently accessed content closer to u…
eess.SP2025
Opportunistic Subarray Grouping for RIS-Aided Massive Random Access in Cellular Connectivity
Yizhu Wang, Zhou Zhang, Saman Atapattu +1
In Reconfigurable Intelligent Surfaces (RIS), reflective elements (REs) are typically configured as a single array, but as RE numbers increase, this approach incurs high overhead f…