Dongxu Cao, Sheng Zhou, Zhisheng Niu Optimal combination of base station densities for energy-efficient two-tier heterogeneous cellular networks, IEEE Trans. Wireless Communications, Sept. 2013
Dongxu Cao, Sheng Zhou, Zhisheng Niu Improving the Energy Efficiency of Two-tier Heterogeneous Cellular Networks through Partial Spectrum Reuse, IEEE Trans. Wireless Communications, Aug. 2013
Dongxu Cao, Sheng Zhou, Zhisheng Niu, β-PSR: A Partial Spectrum Reuse Scheme For Two-tier Heterogeneous Cellular Networks, ICCC 2012
Zhisheng Niu, Sheng Zhou, Yao Hua, Qian Zhang, Dongxu Cao, Energy-Aware Network Planning for Wireless Cellular System with Inter-Cell Cooperation, IEEE Transactions on Wireless Communications 2012
Dongxu Cao, Sheng Zhou, Zhisheng Niu, Optimal Base Station Density for Energy-Efficient Heterogeneous Cellular Networks, ICC 2012
Xiangnan Weng, Dongxu Cao, and Zhisheng Niu, Energy-Efficient Cellular Network Planning under Insufficient Cell Zooming, VTC2011-Spring.
Dongxu Cao, Sheng Zhou, Chao Zhang, Zhisheng Niu, Energy Saving Performance Comparison of Coordinated Multi-Point Transmission and Wireless Relaying, Proc. IEEE GLOBECOM 2010