Hoang, DT[Hoang, Dinh Thai]; Lu, X[Lu, Xiao]; Niyato, D[Niyato, Dusit]; Wang, P[Wang, Ping]; Kim, DI[Kim, Dong In]; Han, Z[Han, Zhu]
ArticleIssue Date2015CitationIEEE COMMUNICATIONS SURVEYS AND TUTORIALS, v.17, no.4, pp.2102 - 2135PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC