Analytical performance estimation of network‐assisted D2D communications in urban scenarios with rectangular cells - Samuylov, Andrey; Ometov, Aleksandr; Begishev, Vyacheslav; Kovalchukov, Roman; Moltchanov, Dmitri; Gaidamaka, Yuliya; Samouylov, Konstantin; Andreev, Sergey; Koucheryavy, Yevgeni (Transactions on emerging telecommunications technologies, 2017)