Jointoptimizationoffrequencyallocationanduserassociationwith differentiatedserviceinhyper-cellularnetworksJan 1, 2013·S. ZhangSheng ZhouZhisheng Niu· 0 min read CiteLast updated on Jan 1, 2013AuthorsSheng ZhouAssociate ProfessorAuthorsZhisheng NiuProfessor← Energy Saving in Cellular Networks by Dynamic RS-BS Association andBSSwitching Jan 1, 2013Optimal Combinationof Base Station Densitiesfor Cost- Efficient Two-tier Heterogeneous Cellular Networks Jan 1, 2013 →