most citedLimited Feedback in RIS-Assisted Wireless Communications: Use Cases, Challenges, and Future Directions

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cs.IT2026

Low-Overhead Receiver Design for Data-Dependent Superimposed Training via Deep Learning

Xinjie Li, Xingyu Zhou, Jing Zhang +3

Superimposed pilot (SIP) transmission improves spectral efficiency by eliminating the dedicated pilot overhead required in orthogonal pilot (OP)-based schemes. However, SIP suffers…