'Multipath' (Telecommunications, 2017), 'Transceiver and System Design for Digital Communications, 5th Edition', Chap. 7, pp. 217-227, DOI: 10.1049/PBTE080E_ch7 IET Digital Library, https://digital-library.theiet.org/;jsessionid=b79sbmioc3tt.x-iet-live-01content/books/10.1049/pbte080e_ch7