Exploiting Multiple RISs and Direct Link for Performance Enhancement of Wireless Systems With Hardware Impairments Authors Phuong T. Tran, Ba Cao Nguyen, Tran Manh Hoang,...,Van Duan Nguyen Publication year 2022 Index (WoS/Scopus) WoS Publisher IEEE Journal IEEE Transactions on Communications Link https://ieeexplore.ieee.org/document/9804844