Elshaer, Hisham; Lema, Maria A.; Mahmoodi, Toktam; Dohler, Mischa: 'Decoupled uplink and downlink access in heterogeneous networks' (Telecommunications, 2017), '5G Wireless Technologies', Chap. 9, pp. 305-339, DOI: 10.1049/PBTE069E_ch9 IET Digital Library, https://digital-library.theiet.org/;jsessionid=pn64dmxt7oop.x-iet-live-01content/books/10.1049/pbte069e_ch9