6G extreme connectivity via exploring spatiotemporal exchangeability

X You - Science China Information Sciences, 2023 - Springer
Conclusion MIMO communication is an indispensable key technology for the 6G wireless
network. Under the requirement of extremely low-latency communication in 6G, the MIMO …

Mutual information density of massive MIMO systems over Rayleigh-product channels

X Zhang, S Song - IEEE Transactions on Communications, 2024 - ieeexplore.ieee.org
The Rayleigh-product channel model is utilized to characterize the rank deficiency caused
by keyhole effects. However, the finite blocklength analysis for Rayleigh-product channels is …

Performance analysis of active RIS-aided multi-pair full-duplex communications with spatial correlation and imperfect CSI

Z Peng, X Liu, X Liu, C Pan, X Chen, H Ren - Science China Information …, 2023 - Springer
This paper investigates a multi-pair full-duplex (FD) communication system aided by an
active reconfigurable intelligent surface (RIS) with spatial correlation and imperfect channel …