Joint Subchannel and Power Allocation for Cognitive NOMA Systems with Imperfect CSI. - Yongjun Xu 002; Yang Yang 081; Guoquan Li; Zhengqiang Wang (GlobalSIP, 2019)

Robust Resource Allocation and Transmission Time Optimization for OFDMA-based Heterogeneous Networks. - Yongjun Xu 002; Yang Yang 081; Guoquan Li; Qilie Liu (WCSP, 2019)

Robust Resource Allocation and Power Splitting in SWIPT Enabled Heterogeneous Networks: A Robust Minimax Approach. - Yongjun Xu 002; Guoquan Li; Yang Yang 081; Miao Liu 002; Guan Gui 001 (IEEE Internet Things J., 2019)

Joint energy-efficient resource allocation and transmission duration for cognitive HetNets under imperfect CSI. - Yongjun Xu 002; Yang Yang 081; Qilie Liu; Zheng Li (Signal Process., 2020)

Max-Min Energy-Efficient Optimization for Cognitive Heterogeneous Networks With Spectrum Sensing Errors and Channel Uncertainties. - Yongjun Xu 002; Meng Yang; Yang Yang 081; Yinghui Ye; Rose Qingyang Hu; Dong Li 009 (IEEE Wirel. Commun. Lett., 2022)