2D FE Quad Mesh Smoothing via Angle-Based Optimization. - Hongtao Xu; Timothy S. Newman (International Conference on Computational Science (1), 2005)

An Analysis of Errors in Feature-Preserving Mesh Simplification Based on Edge Contraction. - Hongtao Xu; Timothy S. Newman (3DPVT, 2006)

A Novel Active Learning Approach for SVM Based Web Image Retrieval. - Jin Yuan; Xiangdong Zhou; Hongtao Xu; Mei Wang; Wei Wang 009 (PCM, 2007)

Web Image Annotation Based on Automatically Obtained Noisy Training Set. - Mei Wang; Xiangdong Zhou; Hongtao Xu (APWeb, 2008)

PictureBook: A Text-and-Image Summary System for Web Search Result. - Mei Wang; Hongtao Xu; Guoyu Hao; Xiangdong Zhou; Wei Wang 009; Qi Zhang 025; Baile Shi (ICDE, 2008)

WISA: a novel web image semantic analysis system. - Hongtao Xu; Xiangdong Zhou; Lan Lin (SIGIR, 2008)

Exploring Flickr's related tags for semantic annotation of web images. - Hongtao Xu; Xiangdong Zhou; Mei Wang; Yu Xiang; Baile Shi (CIVR, 2009)

Adaptive Model for Integrating Different Types of Associated Texts for Automated Annotation of Web Images. - Hongtao Xu; Xiangdong Zhou; Lan Lin; Mei Wang; Tat-Seng Chua (MMM, 2009)

Automatic Web Image Annotation via Web-Scale Image Semantic Space Learning. - Hongtao Xu; Xiangdong Zhou; Lan Lin; Yu Xiang; Baile Shi (APWeb/WAIM, 2009)

A highly linear 25dBm outphasing power amplifier in 32nm CMOS for WLAN application. - Hongtao Xu; Yorgos Palaskas; Ashoke Ravi; Krishnamurthy Soumyanath (ESSCIRC, 2010)

Research on the clinical classification of Xi clan diabetic foot using fuzzy C-means clustering method. - Yemin Cao; Haowei Zhang; Hongtao Xu; Jiuyi Xi; Xunsheng Zhu; Zheng Gu (BIBM Workshops, 2011)

A 31.5dBm outphasing class-D power amplifier in 45nm CMOS with back-off efficiency enhancement by dynamic power control. - Wei Tai; Hongtao Xu; Ashoke Ravi; Hasnain Lakdawala; Ofir B. Degani; L. Richard Carley; Yorgos Palaskas (ESSCIRC, 2011)

A flip-chip-packaged 1.8V 28dBm class-AB power amplifier with shielded concentric transformers in 32nm SoC CMOS. - Yulin Tan; Hongtao Xu; Mohammed A. El-Tanani; Stewart S. Taylor; Hasnain Lakdawala (ISSCC, 2011)

A Flip-Chip-Packaged 25.3 dBm Class-D Outphasing Power Amplifier in 32 nm CMOS for WLAN Application. - Hongtao Xu; Yorgos Palaskas; Ashoke Ravi; Masoud Sajadieh; Mohammed A. El-Tanani; Krishnamurthy Soumyanath (IEEE J. Solid State Circuits, 2011)

A 20dBm 2.4GHz digital outphasing transmitter for WLAN application in 32nm CMOS. - Paolo Madoglio; Ashoke Ravi; Hongtao Xu; Kailash Chandrashekar; Marian Verhelst; Stefano Pellerano; Luis Cuellar 001; Mariano Aguirre; Masoud Sajadieh; Ofir B. Degani; Hasnain Lakdawala; Yorgos Palaskas (ISSCC, 2012)

A 2.4-GHz 20-40-MHz Channel WLAN Digital Outphasing Transmitter Utilizing a Delay-Based Wideband Phase Modulator in 32-nm CMOS. - Ashoke Ravi; Paolo Madoglio; Hongtao Xu; Kailash Chandrashekar; Marian Verhelst; Stefano Pellerano; Luis Cuellar 001; Mariano Aguirre-Hernandez; Masoud Sajadieh; J. E. Zarate-Roldan; Ofir Bochobza-Degani; Hasnain Lakdawala; et al. (IEEE J. Solid State Circuits, 2012)

A Transformer-Combined 31.5 dBm Outphasing Power Amplifier in 45 nm LP CMOS With Dynamic Power Control for Back-Off Power Efficiency Enhancement. - Wei Tai; Hongtao Xu; Ashoke Ravi; Hasnain Lakdawala; Ofir B. Degani; L. Richard Carley; Yorgos Palaskas (IEEE J. Solid State Circuits, 2012)

Wi-Fi RF energy harvesting for battery-free wearable radio platforms. - Vamsi Talla; Stefano Pellerano; Hongtao Xu; Ashoke Ravi; Yorgos Palaskas (IEEE RFID, 2015)

13.6 A 2.4GHz WLAN digital polar transmitter with synthesized digital-to-time converter in 14nm trigate/FinFET technology for IoT and wearable applications. - Paolo Madoglio; Hongtao Xu; Kailash Chandrashekar; Luis Cuellar 001; Muhammad Faisal; Yee William Li; Hyung Seok Kim; Khoa Minh Nguyen; Yulin Tan; Brent R. Carlton; Vaibhav A. Vaidya; Yanjie Wang; et al. (ISSCC, 2017)

A compact 2.4GHz polar/quadrature reconfigurable digital power amplifier in 28nm logic LP CMOS. - Yiting Zhu; Liang Xiong; Yun Yin; Wei Luo 005; Bowen Chen; Tong Li; Hongtao Xu (CICC, 2018)

A compact dual-band digital doherty power amplifier using parallel-combining transformer for cellular NB-IoT applications. - Yun Yin; Liang Xiong; Yiting Zhu; Bowen Chen; Hao Min; Hongtao Xu (ISSCC, 2018)

A Broadband Switched-Transformer Digital Power Amplifier for Deep Back-Off Efficiency Enhancement. - Liang Xiong; Tong Li; Yun Yin; Hao Min; Na Yan; Hongtao Xu (ISSCC, 2019)

A Compact Dual-Band Digital Polar Doherty Power Amplifier Using Parallel-Combining Transformer. - Yun Yin; Liang Xiong; Yiting Zhu; Bowen Chen; Hao Min; Hongtao Xu (IEEE J. Solid State Circuits, 2019)

A Compact Transformer-Combined Polar/Quadrature Reconfigurable Digital Power Amplifier in 28-nm Logic LP CMOS. - Yun Yin; Yiting Zhu; Liang Xiong; Wei Luo 005; Bowen Chen; Tong Li; Na Yan; Hongtao Xu (IEEE J. Solid State Circuits, 2019)

Nonlinear Analytical Model for Switched-Capacitor Class-D RF Power Amplifiers. - Wei Luo 005; Yun Yin; Liang Xiong; Tong Li; Hongtao Xu (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

A Fully Differential Ultra-Compact and High Isolation Transformer-Based Wilkinson Power Divider. - Yue Bai; Chunhui Fang; Tong Li; Yong Chen; Yue Lin 009; Hongtao Xu (ICTA, 2020)

Transformer-Combining Digital PA with Efficiency Peaking at 0, -6, and -12 dB Backoff in 32nm CMOS. - Parmoon Seddighrad; Yorgos Palaskas; Hongtao Xu; Paolo Madoglio; Kailash Chandrashekar; David J. Allstot (ISCAS, 2020)

24.5 A 15b Quadrature Digital Power Amplifier with Transformer-Based Complex-Domain Power-Efficiency Enhancement. - Diyang Zheng; Yun Yin; Yiting Zhu; Liang Xiong; Yicheng Li; Na Yan; Hongtao Xu (ISSCC, 2020)

A Gesture Air-Writing Tracking Method that Uses 24 GHz SIMO Radar SoC. - Pengcheng Wang; Junyang Lin; Fuyue Wang; Jianping Xiu; Yue Lin 009; Na Yan; Hongtao Xu (IEEE Access, 2020)

Introduction to the Special Section on the 2019 RFIC Symposium. - Hongtao Xu (IEEE J. Solid State Circuits, 2020)

A Broadband Switched-Transformer Digital Power Amplifier for Deep Back-Off Efficiency Enhancement. - Yun Yin; Tong Li; Liang Xiong; Yicheng Li 002; Hao Min; Na Yan; Hongtao Xu (IEEE J. Solid State Circuits, 2020)

Selection of technology standardization mode for libraries based on game theory. - Hong Jiang 005; Hongtao Xu; Shukuan Zhao; Yong Chen 018 (Libr. Hi Tech, 2020)

A 0.9V 0.1-4GHz LNTA in 28-nm CMOS Achieving +11.3dBm IIP3 With Self-loaded Linearization Technique. - Fan Chen; Wei Li 038; Chuangguo Wang; Hongtao Xu (ASICON, 2021)

Design of A Reference Buffer with Ultralow Output Resistance for High-speed ADCs. - Bingbing Ma; Longbo Fan; Wei Li 038; Hongtao Xu (ASICON, 2021)

A Two-Way Power-Combining 60GHz CMOS Power Amplifier with 22.0% PAE and 19.4dBm Psat in 65nm Bulk CMOS. - Junjie Gu; Guixiang Jin; Hongtao Xu; Hao Min; Na Yan (ISCAS, 2021)

Session 26 Overview: RF Power-Amplifier and Front-End Techniques Rf Subcommittee. - Hongtao Xu; Toshiya Mitomo; James F. Buckwalter (ISSCC, 2021)

Optimization of Power Network Investment Decision Based on Data Mining. - Zhiwei Liu; Jianbin Wu; Huiwen Qi; Yaju Wang; Hongtao Xu; Jia Li (SPIoT (1), 2021)

Design of 35-dB 0.03-to-2.7 GHz Two-Stage Broadband Power Amplifier With 37.2 dBm Psat Using Modular Technology. - Jun Hu; Xiaojuan Chen; Zhi Jin; Hongtao Xu (IEEE Access, 2021)

A 0.2 3.8-GHz Full-Duplex Receiver With More Than 25 dB Self-Interference Cancellation Using a C-DAC-Based Vector Canceller. - Chuangguo Wang; Wei Li 038; Hongtao Xu (IEEE Access, 2021)

A Quadrature Digital Power Amplifier With Hybrid Doherty and Impedance Boosting for Complex Domain Power Back-Off Efficiency Enhancement. - Huizhen Jenny Qian; Bingzheng Yang; Jie Zhou 026; Hongtao Xu; Xun Luo (IEEE J. Solid State Circuits, 2021)

A Two-Stage Digital Predistortion Method for Quadrature Digital Power Amplifiers. - Fu Gao; Yun Yin; Yicheng Li; Jie Lin; Hongtao Xu (ISCAS, 2022)

MC-UNet Multi-module Concatenation based on U-shape Network for Retinal Blood Vessels Segmentation. - Ting Zhang; Jun Li 004; Yi Zhao; Nan Chen; Han Zhou; Hongtao Xu; Zihao Guan; Changcai Yang; Lanyan Xue; Riqing Chen; Lifang Wei (CoRR, 2022)

A 15-Bit Quadrature Digital Power Amplifier With Transformer-Based Complex-Domain Efficiency Enhancement. - Yicheng Li 002; Yun Yin; Diyang Zheng; Xianglong Jia; Jie Lin; Fu Gao; Yiting Zhu; Liang Xiong; Na Yan; Ye Lu 005; Hongtao Xu (IEEE J. Solid State Circuits, 2022)

Smallholder Crop Type Mapping and Rotation Monitoring in Mountainous Areas with Sentinel-1/2 Imagery. - Tingting Ren; Hongtao Xu; Xiumin Cai; Shengnan Yu; Jiaguo Qi (Remote. Sens., 2022)

Generating Salt-Affected Irrigated Cropland Map in an Arid and Semi-Arid Region Using Multi-Sensor Remote Sensing Data. - Deji Wuyun; Junwei Bao 004; Luís Guilherme Teixeira Crusiol; Tuya Wulan; Liang Sun 005; Shangrong Wu; Qingqiang Xin; Zheng Sun; Ruiqing Chen; Jingyu Peng; Hongtao Xu; Nitu Wu; et al. (Remote. Sens., 2022)

A 4.7-to-18-GHz Ultra-Wideband Variable-Gain Balun-LNA Using 3rd-Order-Band-Pass Input Matching in 40-nm CMOS. - Sicheng Han; Xueyin Wu; Wei Li 038; Yun Wang 008; Yue Lin 009; Hongtao Xu (ASICON, 2023)

A Compact 144% Fractional Bandwidth CMOS Power Amplifier With an Optimization of Synthesized High-Order Matching Network. - Yunhao Li; Wei Li 038; Yun Wang 008; Wei Luo; Yue Lin 009; Hongtao Xu (ASICON, 2023)

A Pattern Cancel DAC system design methodology for FMCW radar. - Yue Lin 009; Hongtao Xu (ASICON, 2023)

A 293-to-303 GHz Fundamental VCO with -4dBm Peak Output Power in 40nm CMOS. - Songlei Meng; Ziyang Deng; Yun Wang 008; Hongtao Xu (ASICON, 2023)

Design of Multi-Mode Digital Signal Processing Circuit for Digital Transmitters. - Changgu Yan; Yun Yin; Hongtao Xu (ASICON, 2023)

A 115-325MHz Wideband Analog Baseband with 0.5dB-Step Variable Gain Amplifier and Six-order Reconfigurable Gm-C Lowpass Filter. - Wen Zuo; Wei Li 038; Yun Wang 008; Yue Lin 009; Hongtao Xu (ASICON, 2023)

A CMOS Dual Band Low-Loss High-Isolation Switch for 5G New Radio. - Ziyang Deng; Yun Wang 008; Hongtao Xu (ICTA, 2023)

A 12.1-16.5GHz Resistance Self-biased Inverse Class-F23 VCO Achieving 20-54kHz 1/f3 Corner Frequency. - Jiayu Jing; Wei Li 038; Ren Yuan; Hongtao Xu (ISCAS, 2023)

A 0.7-to-2.5GHz Sliding Digital-IF Quadrature Digital Transmitter Achieving >40% System Efficiency for Multi-Mode NB-IoT/BLE Applications. - Chunxiao Hu; Diyang Zheng; Yun Yin; Jie Lin; Yicheng Li 002; Wei Li 038; Hongtao Xu (ISSCC, 2023)

A 4.1 W Quadrature Doherty Digital Power Amplifier with 33.6% Peak PAE in 28nm Bulk CMOS. - Jiaxiang Li; Yun Yin; Hang Chen; Jie Lin; Yicheng Li 002; Xianglong Jia; Zhen Hu; Xiuyin Zhang; Hongtao Xu (ISSCC, 2023)

A 19.7-to-43.8GHz Power Amplifier with Broadband Linearization Technique in 28nm Bulk CMOS. - Weisen Zeng; Li Gao; Ningzheng Sun; Hongtao Xu; Quan Xue; Xiuyin Zhang (ISSCC, 2023)

A 50μW Ring-Type Complementary Inverse-Class-D Oscillator with 191.4dBc/Hz FoM and 205.6dBc/Hz FoMA. - Kai Xu; Bowen Yu; Jun Hu; Yubin Li; Robert Bogdan Staszewski; Hongtao Xu (VLSI Technology and Circuits, 2023)

A Fully-Integrated Wideband Digital Polar Transmitter With 11-bit Digital-to-Phase Converter in 40nm CMOS. - Chunxiao Hu; Yun Yin; Tong Li; Yangzi Liu; Liang Xiong; Hongtao Xu (IEEE J. Solid State Circuits, 2023)

A Sub-GHz multimode digital polar transmitter for 802.11ah and NB-IoT applications. - Tong Li; Yun Yin; Yangzi Liu; Hongtao Xu; Hao Min (Microelectron. J., 2023)

A Tri-Mode Reconfigurable Receiver for GNSS/NB-IoT/BLE With 68-dB HR3 and 60-dB IMRR in 28-nm CMOS. - Yunyou Pu; Wei Li 038; Mengqi Li; Chuangguo Wang; Fan Chen; Qiaoan Li; Hongtao Xu (IEEE Trans. Very Large Scale Integr. Syst., 2023)

A Transformer-Based Quadrature Doherty Digital Power Amplifier With 4.1 W Peak Power in 28 nm Bulk CMOS. - Jiaxiang Li; Yun Yin; Hang Chen; Jie Lin; Yicheng Li 002; Xianglong Jia; Zhen Hu; Ziyu Liu; Xiuyin Zhang; Hongtao Xu (IEEE J. Solid State Circuits, 2023)

A 31.92% Efficiency Colpitts DCO-PA for BLE TX with Implicit RX Clock Generation Using DM-to-CM Mode-switching. - Bowen Yu; Kai Xu; Wei Li; Hongtao Xu (A-SSCC, 2024)

A Tri-Mode Filtering Power Amplifier for 5G Millimeter-Wave Dual-Side LO Injection Systems with Power-Efficiency Enhancement. - Weisen Zeng; Li Gao; Hui-Yang Li; Jin-Xu Xu; Hongtao Xu; Xiu Yin Zhang (CICC, 2024)

A Wideband Miniaturized dB-Linear Millimeter-Wave Power Detector in 40-nm CMOS. - Yun Wang 008; Songlei Meng; Shiping Zheng; Hongtao Xu (ICTA, 2024)

4.4 A Highly-Integrated 6-Phase Cell-Reused Digital Transmitter Using 1/3 Duty-Cycle LO Signals for Harmonic Rejection. - Jiaxiang Li; Zimu Li; Yun Yin; Changgu Yan; Nan Qi; Ming Liu; Hongtao Xu (ISSCC, 2024)

A 140-Gbps 1-to-21-GHz Ultra-Wideband LNA Achieving 1.95-to-3-dB NF Using Gm-Assisted-Feedback Noise Suppression Technique in 40nm Bulk CMOS. - Sicheng Han; Yun Wang 008; Yunhao Li; Wen Zuo; Wei Li 038; Yue Lin 009; Hongtao Xu (VLSI Technology and Circuits, 2024)

Fall Detection System Based on Point Cloud Enhancement Model for 24 GHz FMCW Radar. - Tingxuan Liang; Ruizhi Liu; Lei Yang 019; Yue Lin 009; Chuanjin Richard Shi; Hongtao Xu (Sensors, 2024)

A Wideband Sliding Digital-IF Quadrature Digital Transmitter for Multimode NB-IoT/BLE Applications. - Chunxiao Hu; Diyang Zheng; Yun Yin; Jie Lin; Yicheng Li 002; Wei Li 038; Hongtao Xu (IEEE J. Solid State Circuits, 2024)

A Wideband Full-Duplex Receiver With Multi-Domain Self-Interference Cancellation Based on Capacitor Stacking Delay and Delay Compensation in Cancellers. - Chuangguo Wang; Xingyu Ma; Wei Li 038; Fan Chen; Wen Zuo; Yunyou Pu; Jin Zhou 001; Hongtao Xu (IEEE J. Solid State Circuits, 2024)

Analysis and Calibration of Bit Weights in SAR and Pipelined SAR ADCs Based on Code Distribution. - Bingbing Ma; Wei Li 038; Hongtao Xu (IEEE Trans. Very Large Scale Integr. Syst., 2024)

A Quadrature Digital Power Amplifier With Wide Efficiency Enhancement Coverage and High Dynamic Power Range. - Yicheng Li 002; Yun Yin; Diyang Zheng; Fu Gao; Jie Lin; Zhen Hu; Ye Lu 005; Hongtao Xu (IEEE J. Solid State Circuits, 2024)

A Compact 19.7- to 43.8-GHz Power Amplifier With 20.3-dBm Psat and 35.5% PAE in 28-nm Bulk CMOS. - Weisen Zeng; Li Gao; Ningzheng Sun; Hui-Yang Li; Jin-Xu Xu; Hongtao Xu; Quan Xue; Xiuyin Zhang (IEEE J. Solid State Circuits, 2024)

Enhanced-Linearity Wideband Full-Duplex Receiver With Shared Self-Interference Canceller. - Fan Chen; Wei Li 038; Chuangguo Wang; Yunyou Pu; Xingyu Ma; Shijiao Dong; Yun Wang 008; Hongtao Xu (IEEE Trans. Very Large Scale Integr. Syst., 2024)

Nonlinear Analysis of Quadrature Switched-Capacitor Power Amplifier and Digital Predistortion. - Fu Gao; Luyi Guo; Yicheng Li 002; Yun Yin; Hongtao Xu (IEEE Trans. Circuits Syst. I Regul. Pap., 2024)

Linearization of Quadrature Digital Power Amplifiers by Neural Network of ULR_LSTM: Unsupervised Learning Residual LSTM. - Jiayu Yang; Luyi Guo; Yicheng Li 002; Wang Wang; Zixu Li; Manni Li; Zijian Huang 017; Yinyin Lin; Yun Yin; Hongtao Xu (DATE, 2025)

Digital Predistortion for Quadrature Digital Power Amplifiers Using Deep Neural Network of AT_LSTM: Attention LSTM. - Jiayu Yang; Wending Zhao; Yicheng Li 002; Wang Wang; Zixu Li; Manni Li; Zijian Huang 017; Yinyin Lin; Yun Yin; Hongtao Xu (ACM Great Lakes Symposium on VLSI, 2025)

26.2 A Wideband Replicas-Rejection Digital Transmitter Using Joint-Digital-Analog Interpolation and Filtering in 28nm CMOS. - Chunxiao Hu; Jiaxiang Li; Jie Lin; Hongtao Xu; Yun Yin (ISSCC, 2025)

A Compact Full-Duplex Receiver with Wideband Multi-Domain Hilbert-Transform-Equalization Cancellation Based on Multi-Stage APFs Achieving 65dB SIC Across 120MHz BW. - Xingyu Ma; Wei Li 038; Shijiao Dong; Ruiyu Lyu; Fan Chen; Yunyou Pu; Chuangguo Wang; Hongtao Xu (ISSCC, 2025)

A novel analog baseband signal processing for high dynamic range FMCW system. - Yue Lin 009; Yun Wang 008; Hongtao Xu (IEICE Electron. Express, 2025)

An efficient surface-potential-based compact model for dynamically depleted silicon-on-insulator MOSFETs. - Tianye Yu; Gongteng Xiao; Yudi Zhao; Guangxi Hu; Hongtao Xu; Ye Lu (Microelectron. J., 2025)

Efficient Long Context Fine-tuning with Chunk Flow. - Xiulong Yuan; Hongtao Xu; Wenting Shen; Ang Wang; Xiafei Qiu; Jie Zhang 078; Yuqiong Liu; Bowen Yu 002; Junyang Lin; Mingzhen Li 001; Weile Jia; Yong Li 020; et al. (CoRR, 2025)

Skrull: Towards Efficient Long Context Fine-tuning through Dynamic Data Scheduling. - Hongtao Xu; Wenting Shen; Yuanxin Wei; Ang Wang; Guo Runfan; Tianxing Wang; Yong Li; Mingzhen Li; Weile Jia (CoRR, 2025)

Large-scale Neural Network Quantum States for ab initio Quantum Chemistry Simulations on Fugaku. - Hongtao Xu; Zibo Wu; Mingzhen Li; Weile Jia (CoRR, 2025)

A Six-Phase Harmonic-Rejection Digital Transmitter. - Jiaxiang Li; Zimu Li; Yun Yin; Changgu Yan; Nan Qi; Ming Liu; Hongtao Xu (IEEE J. Solid State Circuits, 2025)

A 1-21-GHz, 1.95-3.1-dB NF Ultra-Wideband LNA With Gₘ-Assisted-Feedback Noise Suppression Achieving 140-Gb/s Data Rate in 40-nm CMOS. - Sicheng Han; Yun Wang 008; Yunhao Li; Wen Zuo; Wei Li 038; Yun Yin; Yue Lin 009; Hongtao Xu (IEEE J. Solid State Circuits, 2025)

A 2.4-GHz-BW 59.7-dB-Range 0.39-dB-Error dB-Linear VGA Featuring -40 °C 110 °C and ±10%-Supply PVT Robustness in 40-Nm CMOS. - Wen Zuo; Yun Wang 008; Sicheng Han; Yunhao Li; Wei Li 038; Yue Lin 009; Hongtao Xu (IEEE J. Solid State Circuits, 2025)