2 papers
cs.NI2026
Seamless Handover in Direct-to-Device Satellite Networks: From an Interference-Aware Perspective
Ye Li, Yi Zhou, Yingdong Hu +5
The direct-to-device (D2D) satellite network is an important 6G evolution direction to enable seamless ubiquitous connectivity. However, the network faces critical handover challen…
eess.SP2025
Advanced Codebook Design for SCMA-aided NTNs With Randomly Distributed Users
Tianyang Hu, Qu Luo, Lixia Xiao +3
In this letter, a novel class of sparse codebooks is proposed for sparse code multiple access (SCMA) aided non-terrestrial networks (NTN) with randomly distributed users characteri…