[1] J. Zeng, J. Peng, RP Liu and X. Su, “Comments on “Cross-Tier Cooperation for Optimal Resource Utilization in Ultra-Dense Heterogeneous Networks”,” in IEEE Transactions on Vehicular Technology, vol. 67, No. 11, pp. 11307-11308, Nov. 2018. (SCI: HA1HL, EI: 20183705791521)
[2] J. Peng, J. Zeng, H. Zhao and X. Su, “A Cross-Tier Cooperation Resource Allocation Approach Over Ultra-Dense Heterogeneous Networks,” 2018 IEEE Globecom Workshops (GC Wkshps), Abu Dhabi, United Arab Emirates, 2018, pp. 1-6. (EI: 20191306708801)
[3] J. Peng, J. Zeng, X. Su, B. Liu and H. Zhao, “A QoS-Based Cross-Tier Cooperation Resource Allocation Scheme Over Ultra-Dense HetNets,” in IEEE Access, vol. 7, pp. 27086-27096, 2019. (SCI: HQ1AR, EI: 20191206648471)