Weikai Xu

According to our database, Weikai Xu authored at least 88 papers between 2010 and 2024.

Collaborative distances:

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

2024

Differential Phase Shift Keying-Aided Multi-Mode Chirp Spread Spectrum Modulation.

Xiao Yu, Xiangming Cai, Weikai Xu, Haixin Sun, Lin Wang

IEEE Wirel. Commun. Lett., February, 2024

PMSS: Pretrained Matrices Skeleton Selection for LLM Fine-tuning.

Qibin Wang, Xiaolin Hu, Weikai Xu, Wei Liu, Jian Luan, Bin Wang

CoRR, 2024

MobileVLM: A Vision-Language Model for Better Intra- and Inter-UI Understanding.

Qinzhuo Wu, Weikai Xu, Wei Liu, Tao Tan, Jianfeng Liu, Ang Li, Jian Luan, Bin Wang, Shuo Shang

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2024, 2024

Compact and Efficient CAM Architecture through Combinatorial Encoding and Self-Terminating Searching for In-Memory-Searching Accelerator.

Weikai Xu, Jin Luo, Qianqian Huang, Ru Huang

Proceedings of the 61st ACM/IEEE Design Automation Conference, 2024

DetermLR: Augmenting LLM-based Logical Reasoning from Indeterminacy to Determinacy.

Hongda Sun, Weikai Xu, Wei Liu, Jian Luan, Bin Wang, Shuo Shang, Ji-Rong Wen, Rui Yan

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

Mobile-Bench: An Evaluation Benchmark for LLM-based Mobile Agents.

Shihan Deng, Weikai Xu, Hongda Sun, Wei Liu, Tao Tan, Jianfeng Liu, Ang Li, Jian Luan, Bin Wang, Rui Yan, Shuo Shang

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

2023

Toward RIS-Aided Non-Coherent Communications: A Joint Index Keying M-ary Differential Chaos Shift Keying System.

Xiangming Cai, Chongwen Huang, Ertugrul Basar, Weikai Xu, Lin Wang, Marco Di Renzo, Chau Yuen

IEEE Trans. Wirel. Commun., December, 2023

A Reliable and Intelligent Deep Learning Based Demodulator for M-Ary Code Shifted Differential Chaos Shift Keying System With Power Allocation.

Haodong Zheng, Lin Zhang, Zhicheng Dong, Hongcheng Zhuang, Zhiqiang Wu, Lin Wang, Weikai Xu

IEEE Trans. Veh. Technol., September, 2023

A Hybrid DCSK Scheme Combining Cyclic Shift Keying and Code Index Modulation.

Zixian Lin, Weikai Xu, Haixin Sun, Lin Wang

IEEE Commun. Lett., September, 2023

Closed-Form Expressions of Upper Bound for Polarization-MDCSK System.

Meiyuan Miao, Lin Wang, Weikai Xu

Entropy, September, 2023

Design of Low-Density Parity-Check Code Pair for Joint Source-Channel Coding Systems Based on Graph Theory.

Yijie Lv, Jiguang He, Weikai Xu, Lin Wang

Entropy, August, 2023

Toward Chaotic Secure Communications: An RIS Enabled M-Ary Differential Chaos Shift Keying System With Block Interleaving.

Xiangming Cai, Chau Yuen, Chongwen Huang, Weikai Xu, Lin Wang

IEEE Trans. Commun., 2023

Design of Carrier Index Keying-Aided M-Ary Differential Chaos Cyclic Shift Keying for D2D Communications.

Xiangming Cai, Deqing Wang, Weikai Xu, Lin Wang, Francis C. M. Lau

IEEE Trans. Commun., 2023

An Anti-Eavesdropping Scheme Based on OFDM-IM Using Artificial Noise.

Guixian Cheng, Bohan Yang, Weikai Xu, Guofa Cai, Zhou Dai

IEEE Signal Process. Lett., 2023

Multilevel cyclic shift index differential chaos shift keying system for high data rate transmission.

Zixian Lin, Weikai Xu, Lin Wang

IET Commun., 2023

Non-Coherent Chaotic Communications Aided by RIS: A Performance-Enhanced Approach.

Xiangming Cai, Chongwen Huang, Jiancheng An, Weikai Xu, Lin Wang, Chau Yuen

IEEE Commun. Lett., 2023

From Indeterminacy to Determinacy: Augmenting Logical Reasoning Capabilities with Large Language Models.

Hongda Sun, Weikai Xu, Wei Liu, Jian Luan, Bin Wang, Shuo Shang, Ji-Rong Wen, Rui Yan

CoRR, 2023

2022

Joint Energy and Correlation Detection Assisted Non-Coherent OFDM-DCSK System for Underwater Acoustic Communications.

Xiangming Cai, Weikai Xu, Lin Wang, Georges Kaddoum

IEEE Trans. Commun., 2022

Design and Performance Analysis of a Robust Multi-Carrier M-Ary DCSK System: A Noise Suppression Perspective.

Xiangming Cai, Weikai Xu, Lin Wang, Géza Kolumbán

IEEE Trans. Commun., 2022

Design of Joint Position and Constellation Mapping Assisted DCSK Scheme Subject to Laplacian Impulsive Noise.

Xiangming Cai, Weikai Xu, Lin Wang, Guanrong Chen

IEEE Commun. Lett., 2022

Design of Divide-and-Conquer Noise Decontamination Strategy for M-Ary DCSK: From Remodulation to Denoising.

Xiangming Cai, Weikai Xu, Lin Wang

IEEE Commun. Lett., 2022

An Enhanced Interleaved Chirp Spreading LoRa Modulation Scheme for High Data Transmission.

Yu Shi, Weikai Xu, Lin Wang

Proceedings of the 2022 Wireless Telecommunications Symposium, 2022

Subcarrier Index Modulation Aided Non-Coherent Chaotic Communication System for Underwater Acoustic Communications.

Deqing Wang, Minghang You, Weikai Xu, Lin Wang

Proceedings of the Wireless Algorithms, Systems, and Applications, 2022

A Novel Ambipolar Ferroelectric Tunnel FinFET based Content Addressable Memory with Ultra-low Hardware Cost and High Energy Efficiency for Machine Learning.

Jin Luo, Weikai Xu, Boyi Fu, Zheru Yu, Mengxuan Yang, Yiqing Li, Qianqian Huang, Ru Huang

Proceedings of the IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits 2022), 2022

ABM: Attention-based Message Passing Network for Knowledge Graph Completion.

Weikai Xu, Lihui Liu, Hanghang Tong

Proceedings of the IEEE International Conference on Big Data, 2022

A Pilot-Aided Dual-Mode Multiple Sequences Spread-Spectrum System for Underwater Acoustic Communication.

Zhengjie Zhu, Weikai Xu, Lin Wang

Proceedings of the 27th Asia Pacific Conference on Communications, 2022

2021

Towards High-Data-Rate Noncoherent Chaotic Communication: A Multiple-Mode Differential Chaos Shift Keying System.

Xiangming Cai, Weikai Xu, Lin Wang, Guanrong Chen

IEEE Trans. Wirel. Commun., 2021

General Carrier Index Aided Dual-Mode Differential Chaos Shift Keying With Full Mapping: Design and Optimization.

Xiangming Cai, Weikai Xu, Shaohua Hong, Lin Wang, Lin Zhang

IEEE Trans. Veh. Technol., 2021

Reliable and Efficient Sparse Code Spreading Aided MC-DCSK Transceiver Design for Multiuser Transmissions.

Zuwei Chen, Lin Zhang, Zhiqiang Wu, Lin Wang, Weikai Xu

IEEE Trans. Commun., 2021

FITNet: Identifying Fashion Influencers on Twitter.

Jinda Han, Qinglin Chen, Xilun Jin, Weikai Xu, Wanxian Yang, Suhansanu Kumar, Li Zhao, Hari Sundaram, Ranjitha Kumar

Proc. ACM Hum. Comput. Interact., 2021

Discrete W Transform Based Index-Keying M-Ary DCSK for Non-Coherent Chaotic Communications.

Xiangming Cai, Weikai Xu, Shaohua Hong, Lin Wang

IEEE Commun. Lett., 2021

A Trinal-Code Shifted Differential Chaos Shift Keying System.

Xiangming Cai, Weikai Xu, Shaohua Hong, Lin Wang

IEEE Commun. Lett., 2021

A Novel Sparse Measurement Matrix for CS-DCSK UWB System.

Qingzhi Wang, Guang-Peng Fu, Shaohua Hong, Weikai Xu, Lin Wang

Proceedings of the 15th International Symposium on Medical Information and Communication Technology, 2021

A Multiple Sequences Spread-Spectrum System with In-phase/Quadrature Index Modulation for Underwater Acoustic Communications.

Lingmiao Quan, Weikai Xu, Deqing Wang, Lin Wang

Proceedings of the 15th International Symposium on Medical Information and Communication Technology, 2021

Design and performance analysis of multicarrier M-ary differential chaos shift keying system.

Tingting Huang, Wenyu Chen, Dongliang Yang, Lin Wang, Weikai Xu

Proceedings of the 15th International Symposium on Medical Information and Communication Technology, 2021

A Spectrum-Efficient M-ary Correlation Delay Shift Keying Scheme for Non-coherent Chaotic Communications.

Xiangming Cai, Weikai Xu, Shaohua Hong, Lin Wang

Proceedings of the 15th International Symposium on Medical Information and Communication Technology, 2021

Orthogonal Time-Frequency Space with Improved Index Modulation.

Huarong Ren, Weikai Xu, Lin Wang

Proceedings of the 15th International Conference on Signal Processing and Communication Systems, 2021

A Multiple Sequences Spread-Spectrum System with Cyclic Index Modulation for Underwater Acoustic Communication.

Weikai Xu, Deqing Wang, Shaohua Hong, Lin Wang

Proceedings of the 10th IEEE/CIC International Conference on Communications in China, 2021

Exploring Commenting Behavior in the COVID-19 Super-Topic on Weibo.

Yixin Chen, Ke-Rou Wang, Weikai Xu, Yun Huang

Proceedings of the CHI '21: CHI Conference on Human Factors in Computing Systems, 2021

Design of an OFDM-based Differential Cyclic-Shifted DCSK System for Underwater Acoustic Communications.

Xiangming Cai, Luyao Hu, Weikai Xu, Lin Wang

Proceedings of the 26th IEEE Asia-Pacific Conference on Communications, 2021

2020

Mitigation of 2D-ICI in Flash Memory Using Hierarchical Constrained Codes.

Qi Zhou, Weikai Xu, Lin Wang, Guojun Han

J. Signal Process. Syst., 2020

Design and Performance Analysis of a New M-Ary Differential Chaos Shift Keying With Index Modulation.

Xiangming Cai, Weikai Xu, Meiyuan Miao, Lin Wang

IEEE Trans. Wirel. Commun., 2020

A Polarization MDCSK Modulation Without PDL Over Multipath Rayleigh Fading Channels.

Meiyuan Miao, Lin Wang, Yue Rong, Weikai Xu

IEEE Trans. Veh. Technol., 2020

Joint Carrier-Code Index Modulation Aided $M$-Ary Differential Chaos Shift Keying System.

Xiangming Cai, Weikai Xu, Francis C. M. Lau, Lin Wang

IEEE Trans. Veh. Technol., 2020

Multicarrier M-Ary Orthogonal Chaotic Vector Shift Keying With Index Modulation for High Data Rate Transmission.

Xiangming Cai, Weikai Xu, Lin Wang, Géza Kolumbán

IEEE Trans. Commun., 2020

Design and Analysis of Replica Piecewise M-Ary DCSK Scheme for Power Line Communications With Asynchronous Impulsive Noise.

Meiyuan Miao, Lin Wang, Guanrong Chen, Weikai Xu

IEEE Trans. Circuits Syst., 2020

A Multilevel Code-Shifted Differential Chaos Shift Keying System With Reference Diversity.

Yazhen Lu, Meiyuan Miao, Lin Wang, Weikai Xu

IEEE Trans. Circuits Syst., 2020

A New APSK-Based M-Ary Differential Chaos Shift Keying Modulation System.

Tingting Fan, Weikai Xu, Lin Wang, Lin Zhang

IEEE Commun. Lett., 2020

An OFDM-based Chaotic Chip Position Keying with Permutation Index Modulation.

Luyao Hu, Weikai Xu, Lin Wang

Proceedings of the 14th International Symposium on Medical Information Communication Technology, 2020

2019

Hybrid Modulation Scheme Combining PPM With Differential Chaos Shift Keying Modulation.

Meiyuan Miao, Lin Wang, Marcos Katz, Weikai Xu

IEEE Wirel. Commun. Lett., 2019

SWIPT Schemes for Carrier Index Differential Chaos Shift Keying Modulation: A New Look at the Inactive Carriers.

Guixian Cheng, Weikai Xu, Chen Chen, Lin Wang

IEEE Trans. Veh. Technol., 2019

An M-Ary Orthogonal Multilevel Differential Chaos Shift Keying System With Code Index Modulation.

Xiangming Cai, Weikai Xu, Deqing Wang, Shaohua Hong, Lin Wang

IEEE Trans. Commun., 2019

Dual-Mode Differential Chaos Shift Keying With Index Modulation.

Xiangming Cai, Weikai Xu, Shaohua Hong, Lin Wang

IEEE Trans. Commun., 2019

Design and Performance Analysis of Multilevel Code-Shifted $M$ -Ary Differential Chaos Shift Keying System.

Bangquan Zhang, Weikai Xu, Yunfeng Wu, Lin Wang

IEEE Trans. Circuits Syst. II Express Briefs, 2019

A Multilevel Code Shifted Differential Chaos Shift Keying System With $M$ -ary Modulation.

Xiangming Cai, Weikai Xu, Rongfang Zhang, Lin Wang

IEEE Trans. Circuits Syst. II Express Briefs, 2019

Efficient and robust <i>M</i>-ary differential chaos shift keying scheme with code index modulation.

Yunsheng Tan, Weikai Xu, Wei Hu, Lin Wang

IET Commun., 2019

Multi-carrier chaotic communication scheme for underwater acoustic communications.

Menglei Chen, Weikai Xu, Deqing Wang, Lin Wang

IET Commun., 2019

<i>M</i>-ary code-shifted differential chaos shift keying with in-phase and quadrature code index modulation.

Xiangming Cai, Weikai Xu, Lin Wang, Fang Xu

IET Commun., 2019

Design and Performance Analysis of Differential Chaos Shift Keying System With Dual-Index Modulation.

Xiangming Cai, Weikai Xu, Lin Wang, Fang Xu

IEEE Access, 2019

Generalized Time-Domain Index Modulation with A Low Complexity Detection Method.

Rongfang Zhang, Weikai Xu, Xiangming Cai, Lin Wang

Proceedings of the 19th International Symposium on Communications and Information Technologies, 2019

Advantages of Direct Network-Coded M-ary Differential Chaos Shift Keying Systems.

Yazhen Lu, Meiyuan Miao, Lin Wang, Weikai Xu

Proceedings of the 19th International Symposium on Communications and Information Technologies, 2019

Performance Analysis and Optimization of M-ary Code Shifted Differential Chaos Shift Keying System.

Xiangming Cai, Weikai Xu, Lin Wang

Proceedings of the 19th International Symposium on Communications and Information Technologies, 2019

2018

Design and Optimization of Differential Chaos Shift Keying Scheme With Code Index Modulation.

Weikai Xu, Yunsheng Tan, Francis C. M. Lau, Géza Kolumbán

IEEE Trans. Commun., 2018

A Multilevel Code Shifted Differential Chaos Shift Keying Scheme With Code Index Modulation.

Yunsheng Tan, Weikai Xu, Tingting Huang, Lin Wang

IEEE Trans. Circuits Syst. II Express Briefs, 2018

Serial Concatenated Trellis-Coded Differential Chaotic Modulation.

Bangquan Zhang, Lin Wang, Chenglong Zhou, Weikai Xu

Proceedings of the 29th IEEE Annual International Symposium on Personal, 2018

Optimization of Constellation-based DC-BICM Systems over Power Line Channels.

Yuyang Zhang, Lin Wang, Qiwang Chen, Weikai Xu

Proceedings of the 29th IEEE Annual International Symposium on Personal, 2018

2017

Code-Shifted Differential Chaos Shift Keying With Code Index Modulation for High Data Rate Transmission.

Weikai Xu, Tingting Huang, Lin Wang

IEEE Trans. Commun., 2017

Carrier Index Differential Chaos Shift Keying Modulation.

Guixian Cheng, Lin Wang, Weikai Xu, Guanrong Chen

IEEE Trans. Circuits Syst. II Express Briefs, 2017

A Multi-Carrier M-Ary Differential Chaos Shift Keying System With Low PAPR.

Tingting Huang, Lin Wang, Weikai Xu, Guanrong Chen

IEEE Access, 2017

Performance optimization for short reference differential chaos shift keying scheme.

Weikai Xu, Lin Wang

Proceedings of the 2017 IEEE International Conference on Signal Processing, 2017

IQ-interleaved turbo trellis-coded differential chaotic modulation scheme.

Chenglong Zhou, Wei Hu, Lin Wang, Weikai Xu

Proceedings of the 23rd Asia-Pacific Conference on Communications, 2017

An M-ary code shifted differential chaos shift keying scheme.

Yunsheng Tan, Weikai Xu, Shaohua Hong

Proceedings of the 23rd Asia-Pacific Conference on Communications, 2017

Design of a multi-carrier different chaos shift keying communication system in doubly selective fading channels.

Menglei Chen, Weikai Xu, Deqing Wang, Lin Wang

Proceedings of the 23rd Asia-Pacific Conference on Communications, 2017

2016

A Simplified GCS-DCSK Modulation and Its Performance Optimization.

Weikai Xu, Lin Wang, Chong-Yung Chi

Int. J. Bifurc. Chaos, 2016

Multilevel code-shifted differential-chaos-shift-keying system.

Tingting Huang, Lin Wang, Weikai Xu, Francis C. M. Lau

IET Commun., 2016

CIM-DCSK: A differential chaos shift keying scheme with code-index modulation.

Weikai Xu, Lin Wang

Proceedings of the 16th International Symposium on Communications and Information Technologies, 2016

2015

Design and Analysis of a DCSK-ARQ/CARQ System Over Multipath Fading Channels.

Yi Fang, Lin Wang, Pingping Chen, Jing Xu, Guanrong Chen, Weikai Xu

IEEE Trans. Circuits Syst. I Regul. Pap., 2015

Wireless information and power transfer in two-way relaying network with non-coherent differential modulation.

Weikai Xu, Zheng Yang, Zhiguo Ding, Lin Wang, Pingzhi Fan

EURASIP J. Wirel. Commun. Netw., 2015

Performance analysis and sub-carriers power allocation for MC-QCSK.

Jiyu Bao, Weikai Xu, Lin Wang, Tingting Huang

Proceedings of the International Conference on Wireless Communications & Signal Processing, 2015

System parameter adjustment of FM-DCSK UWB for different medical environments.

Tingting Huang, Lin Wang, Weikai Xu

Proceedings of the 9th International Symposium on Medical Information and Communication Technology, 2015

2014

Performance Analysis of the CS-DCSK/BPSK Communication System.

Weikai Xu, Lin Wang, Guanrong Chen

IEEE Trans. Circuits Syst. I Regul. Pap., 2014

A New Simulation Model Based on EESM for VANETS.

Jianwei Zhang, Chaoxian Zhang, Weikai Xu, Lin Wang

Proceedings of the 6th International Conference on New Technologies, Mobility and Security, 2014

Optimal power allocation in MC-DCSK communication system.

Weikai Xu, Lin Wang, Tingting Huang

Proceedings of the 14th International Symposium on Communications and Information Technologies, 2014

2012

Error Performance Analysis of Opportunistic Relaying System Based on DCSK.

Jin Huang, Zhexin Xu, Weikai Xu, Lin Wang

Proceedings of the 11th IEEE International Conference on Trust, 2012

Performances of CS-DCSK UWB Communication System in the Presence of Narrow Band Interferers.

Zhixiong Chen, Weikai Xu, Jin Huang, Lin Wang

Proceedings of the 11th IEEE International Conference on Trust, 2012

2011

Performance of DCSK Cooperative Communication Systems Over Multipath Fading Channels.

Weikai Xu, Lin Wang, Guanrong Chen

IEEE Trans. Circuits Syst. I Regul. Pap., 2011

2010

Promising performance of a frequency-modulated differential chaos shift keying ultra-wideband system under indoor environments.

Xin Min, Weikai Xu, Lin Wang, Guanrong Chen

IET Commun., 2010

Design and simulation of a cooperative communication system based on DCSK/FM-DCSK.

Jing Xu, Weikai Xu, Lin Wang, Guanrong Chen

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2010), May 30, 2010