Tan Tai Do, ; Hien Quoc Ngo, ; Duong, Trung Q.: 'Physical layer security for massive MIMO with anti-jamming' (Telecommunications, 2017), 'Trusted Communications with Physical Layer Security for 5G and Beyond', Chap. 6, pp. 125-144, DOI: 10.1049/PBTE076E_ch6
IET Digital Library, https://digital-library.theiet.org/;jsessionid=2itpdaaofgdgg.x-iet-live-01content/books/10.1049/pbte076e_ch6