An Energy-EfficientOFDMScheme Basedon Time-Frequency Joint Channel EstimationJan 1, 2014·WenboDing,FangYang,JianSong,ZhishengNiu· 0 min read CiteLast updated on Jan 1, 2014← A practical channel allocation scheme based on the weighted conflict graph in heterogeneous networks Jan 1, 2014CONCERT:ACloud-Based Architec- turefor Next-Generation Cellular Systems Mobile Converged Networks Jan 1, 2014 →