C. Pan et al., "Reconfigurable intelligent surfaces for 6G systems: Principles, applications, and research directions," IEEE Commun. Mag., vol. 59, no. 6, pp. 14-20, Jun. 2021.
Q. Wu and R. Zhang, "Towards smart and reconfigurable environment: Intelligent reflecting surface aided wireless network," IEEE Commun. Mag., vol. 58, no. 1, pp. 106-112, Jan. 2020.
C. Huang et al., "Multi-hop RIS-empowered terahertz communications: A DRL-based hybrid beamforming design," IEEE J. Sel. Areas Commun., vol. 39, no. 6, pp. 1663-1677, Jun. 2021.
B. Zheng et al., "Double-IRS assisted multi-user MIMO: Cooperative passive beamforming design," IEEE Trans. Wireless Commun., vol. 20, no. 7, pp. 4513-4526, Jul. 2021.
C. You et al., "Wireless communication via double IRS: Channel estimation and passive beamforming designs," IEEE Wireless Commun. Lett., vol. 10, no. 2, pp. 431-435, Feb. 2021.
A. Papazafeiropoulos et al., "Coverage probability of double-IRS assisted communication systems," IEEE Wireless Commun. Lett., vol. 11, no. 1, pp. 96-100, Jan. 2022.
M.-A. Badiu and J. P. Coon, "Communication through a large reflecting surface with phase errors," IEEE Wireless Commun. Lett., vol. 9, no. 2, pp. 184-188, Feb. 2020.
T. Wang et al., "Outage probability analysis of RIS-assisted wireless networks with von Mises phase errors," IEEE Wireless Commun. Lett., vol. 10, no. 12, pp. 2737-2741, Dec. 2021.
A. Papazafeiropoulos et al., "Intelligent reflecting surface-assisted MUMISO systems with imperfect hardware: Channel estimation, beamforming design," IEEE Trans. Wireless Commun., vol. 21, no. 3, pp. 2077-2092, Mar. 2022.
A. Papazafeiropoulos et al., "Asymptotic analysis of max-min weighted SINR for IRS-assisted MISO systems with hardware impairments," IEEE Wireless Commun. Lett., early access, Jul. 8, 2021, doi: 10.1109/LWC.2021.3095678.
Z. Xing et al., "Achievable rate analysis and phase shift optimization on intelligent reflecting surface with hardware impairments," IEEE Trans. Wireless Commun., vol. 20, no. 9, pp. 5514-5530, Sep. 2021.
S. Zhou et al., "Spectral and energy efficiency of IRS-assisted MISO communication with hardware impairments," IEEE Wireless Commun. Lett., vol. 9, no. 9, pp. 1366-1369, Sep. 2020.
E. Björnson et al., "Massive MIMO networks: Spectral, energy, and hardware efficiency," Found. Trends Signal Process., vol. 11, nos. 3-4, pp. 154-655, 2017.
E. Björnson and L. Sanguinetti, "Rayleigh fading modeling and channel hardening for reconfigurable intelligent surfaces," IEEE Wireless Commun. Lett., vol. 10, no. 4, pp. 830-834, Apr. 2020.
K. Yu et al., "Second order statistics of NLOS indoor MIMO channels based on 5.2 GHz measurements," in Proc. IEEE GLOBECOM, Nov. 2001, pp. 156-160.