Zhikun Xu

According to our database, Zhikun Xu authored at least 45 papers between 2010 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Let LLMs Take on the Latest Challenges! A Chinese Dynamic Question Answering Benchmark.

Zhikun Xu, Yinghui Li, Ruixue Ding, Xinyu Wang, Boli Chen, Yong Jiang, Hai-Tao Zheng, Wenlian Lu, Pengjun Xie, Fei Huang

CoRR, 2024

2023

Evaluating Open Question Answering Evaluation.

Cunxiang Wang, Sirui Cheng, Zhikun Xu, Bowen Ding, Yidong Wang, Yue Zhang

CoRR, 2023

Flexible Resource Allocation Scheme for Non-Overlapping Subband Full Duplex Systems.

Shengwu Wu, Shuai Zhang, Zhikun Xu, Zhengang Pan

Proceedings of the International Conference on Wireless Communications and Signal Processing, 2023

Evaluating Open-QA Evaluation.

Cunxiang Wang, Sirui Cheng, Qipeng Guo, Yuanhao Yue, Bowen Ding, Zhikun Xu, Yidong Wang, Xiangkun Hu, Zheng Zhang, Yue Zhang

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Low Overhead Pilot Design for Channel Estimation in MIMO-OTFS Systems.

Qiwei Ren, Qiyishu Li, Zhikun Xu, Zhengang Pan

Proceedings of the IEEE/CIC International Conference on Communications in China, 2023

Exploiting Abstract Meaning Representation for Open-Domain Question Answering.

Cunxiang Wang, Zhikun Xu, Qipeng Guo, Xiangkun Hu, Xuefeng Bai, Zheng Zhang, Yue Zhang

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2023, 2023

2017

Dynamic programming-based pico base station sleep mode control in heterogeneous networks.

Gang Wu, Liang Dong, Zhenting Qin, Zhikun Xu

Int. J. Commun. Syst., 2017

2016

New Paradigm of 5G Wireless Internet.

Chih-Lin I, Shuangfeng Han, Zhikun Xu, Sen Wang, Qi Sun, Yami Chen

IEEE J. Sel. Areas Commun., 2016

Hybrid full and half duplex networking.

Jinyi Huang, Kaiqiang Qi, Zhikun Xu, Chenyang Yang

Proceedings of the 2016 IEEE/CIC International Conference on Communications in China, 2016

Spectral- and energy-efficient analysis for multi-cell downlink MU-MIMO systems.

Jiancun Fan, Zhikun Xu, Chih-Lin I, Geoffrey Ye Li

Proceedings of the 2016 IEEE International Conference on Communications, 2016

2015

Is Accumulative Information Useful for Designing Energy Efficient Transmission?

Chuting Yao, Zhikun Xu, Tingting Liu, Chenyang Yang

IEEE Trans. Commun., 2015

Performance Analysis of MU-MIMO in Downlink Cellular Networks.

Jiancun Fan, Zhikun Xu, Geoffrey Ye Li

IEEE Commun. Lett., 2015

Large-scale antenna systems with hybrid analog and digital beamforming for millimeter wave 5G.

Shuangfeng Han, Chih-Lin I, Zhikun Xu, Corbett Rowell

IEEE Commun. Mag., 2015

Software defined air interface: a framework of 5G air interface.

Qi Sun, Chih-Lin I, Shuangfeng Han, Zhikun Xu, Zhengang Pan

Proceedings of the 2015 IEEE Wireless Communications and Networking Conference Workshops, 2015

Sum rate optimization for MIMO non-orthogonal multiple access systems.

Qi Sun, Shuangfeng Han, Zhikun Xu, Sen Wang, Chih-Lin I, Zhengang Pan

Proceedings of the 2015 IEEE Wireless Communications and Networking Conference, 2015

Energy Efficient Base Station Deployment Scheme in Heterogeneous Cellular Network.

Qi Ren, Jiancun Fan, Xinmin Luo, Zhikun Xu, Yami Chen

Proceedings of the IEEE 81st Vehicular Technology Conference, 2015

Energy-efficient BS antenna configuration for downlink distributed MIMO system.

Jiancun Fan, Yue Ning, Jianguo Deng, Ying Zhang, Zhikun Xu

Proceedings of the 26th IEEE Annual International Symposium on Personal, 2015

Alternating beamforming methods for hybrid analog and digital MIMO transmission.

Zhikun Xu, Shuangfeng Han, Zhengang Pan, Chih-Lin I

Proceedings of the 2015 IEEE International Conference on Communications, 2015

Analysis of spectral and energy efficiency in ultra-dense network.

Qi Ren, Jiancun Fan, Xinmin Luo, Zhikun Xu, Yami Chen

Proceedings of the IEEE International Conference on Communication, 2015

Evaluation of Potential Energy Efficiency Gain of 5G Wireless Networks.

Yami Chen, Zhikun Xu, Jinwei He, Zhengang Pan, Chih-Lin I, Sen Wang

Proceedings of the 2015 IEEE Globecom Workshops, San Diego, CA, USA, December 6-10, 2015, 2015

2014

Energy-Efficient CoMP Precoding in Heterogeneous Networks.

Zhikun Xu, Chenyang Yang, Geoffrey Ye Li, Yalin Liu, Shugong Xu

IEEE Trans. Signal Process., 2014

Reference Signals Design for Hybrid Analog and Digital Beamforming.

Shuangfeng Han, Chih-Lin I, Zhikun Xu, Sen Wang

IEEE Commun. Lett., 2014

Green transmission technologies for balancing the energy efficiency and spectrum efficiency trade-off.

Yiqun Wu, Yan Chen, Jie Tang, Daniel K. C. So, Zhikun Xu, Chih-Lin I, Paul Ferrand, Jean-Marie Gorce, Chih-Hsuan Tang, Pei-Rong Li, Kai-Ten Feng, Li-Chun Wang, Kai Borner, Lars Thiele

IEEE Commun. Mag., 2014

Toward green and soft: a 5G perspective.

Chih-Lin I, Corbett Rowell, Shuangfeng Han, Zhikun Xu, Gang Li, Zhengang Pan

IEEE Commun. Mag., 2014

Energy efficient pico base station switching-on/off in heterogeneous cellular network with minimum rate requirement.

Liang Dong, Gang Wu, Zhikun Xu, Shaoqian Li

Proceedings of the Sixth International Conference on Wireless Communications and Signal Processing, 2014

Fundamental properties of the EE-SE relationship.

Zhikun Xu, Zhengang Pan, Chih-Lin I

Proceedings of the IEEE Wireless Communications and Networking Conference, 2014

Analysis on the optimal system parameters in massive MIMO systems.

Sen Wang, Shuangfeng Han, Zhikun Xu, Chih-Lin I, Zhengang Pan

Proceedings of the 2014 IEEE/CIC International Conference on Communications in China, 2014

When accumulative information is beneficial for maximizing energy efficiency?

Chuting Yao, Zhikun Xu, Tingting Liu, Chenyang Yang

Proceedings of the IEEE International Conference on Communications, 2014

EE-SE relationship for large-scale antenna systems.

Zhikun Xu, Shuangfeng Han, Zhengang Pan, Chih-Lin I

Proceedings of the IEEE International Conference on Communications, 2014

Large scale antenna system with hybrid digital and analog beamforming structure.

Shuangfeng Han, Chih-Lin I, Corbett Rowell, Zhikun Xu, Sen Wang, Zhengang Pan

Proceedings of the IEEE International Conference on Communications, 2014

Full duplex: Coming into reality in 2020?

Shuangfeng Han, Chih-Lin I, Zhikun Xu, Chengkang Pan, Zhengang Pan

Proceedings of the IEEE Global Communications Conference, 2014

Energy-efficient configuration of antennas and users in the downlink MIMO system.

Yue Ning, Jiancun Fan, Jianguo Deng, Zhikun Xu

Proceedings of the 2014 IEEE Global Conference on Signal and Information Processing, 2014

Work in progress paper: Network deployment and operation based on spatial and temporal traffic model.

Jinwei He, Zhikun Xu, Yami Chen, Zhengang Pan, Chih-Lin I

Proceedings of the 9th International Conference on Communications and Networking in China, 2014

2013

Energy-Efficient Configuration of Spatial and Frequency Resources in MIMO-OFDMA Systems.

Zhikun Xu, Chenyang Yang, Geoffrey Ye Li, Shunqing Zhang, Yan Chen, Shugong Xu

IEEE Trans. Commun., 2013

Energy-efficient cooperative transmission in heterogeneous networks.

Zhikun Xu, Chenyang Yang, Geoffrey Ye Li, Yalin Liu, Shugong Xu

Proceedings of the 2013 IEEE Wireless Communications and Networking Conference (WCNC), 2013

Energy-efficient downlink transmission with base station closing in small cell networks.

Liyan Su, Chenyang Yang, Zhikun Xu, Andreas F. Molisch

Proceedings of the IEEE International Conference on Acoustics, 2013

2012

Throughput and Optimal Threshold for FFR Schemes in OFDMA Cellular Networks.

Zhikun Xu, Geoffrey Ye Li, Chenyang Yang, Xiaolong Zhu

IEEE Trans. Wirel. Commun., 2012

Energy-Efficient Power Allocation for Pilots in Training-Based Downlink OFDMA Systems.

Zhikun Xu, Geoffrey Ye Li, Chenyang Yang, Shunqing Zhang, Yan Chen, Shugong Xu

IEEE Trans. Commun., 2012

Energy-efficient configuration of frequency resources in multi-cell MIMO-OFDM networks.

Changyang She, Zhikun Xu, Chenyang Yang, Shengqian Han, Chengjun Sun, Qi Wu

Proceedings of the 23rd IEEE International Symposium on Personal, 2012

2011

Energy-efficient wireless communications: tutorial, survey, and open issues.

Geoffrey Ye Li, Zhikun Xu, Cong Xiong, Chenyang Yang, Shunqing Zhang, Yan Chen, Shugong Xu

IEEE Wirel. Commun., 2011

Energy-Efficient MIMO-OFDMA Systems Based on Switching off RF Chains.

Zhikun Xu, Chenyang Yang, Geoffrey Ye Li, Shunqing Zhang, Yan Chen, Shugong Xu

Proceedings of the 74th IEEE Vehicular Technology Conference, 2011

Optimal Threshold Design for FFR Schemes in Multi-Cell OFDMA Networks.

Zhikun Xu, Geoffrey Ye Li, Chenyang Yang

Proceedings of IEEE International Conference on Communications, 2011

Energy-Efficient Power Allocation between Pilots and Data Symbols in Downlink OFDMA Systems.

Zhikun Xu, Chenyang Yang, Geoffrey Ye Li, Shunqing Zhang, Yan Chen, Shugong Xu

Proceedings of the Global Communications Conference, 2011

2010

Secondary Transceiver Design in the Presence of Frequency Offset between Primary and Secondary Systems.

Zhikun Xu, Chenyang Yang

IEEE Trans. Wirel. Commun., 2010

Secondary Transceiver Design in the Presence of Frequency Offset between OFDM-Based Primary and Secondary Systems.

Zhikun Xu, Chenyang Yang

Proceedings of IEEE International Conference on Communications, 2010