Hongtao Xu

Orcid: 0000-0003-1852-4112

According to our database1, Hongtao Xu authored at least 63 papers between 2005 and 2024.

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Bibliography

2024
A Wideband Sliding Digital-IF Quadrature Digital Transmitter for Multimode NB-IoT/BLE Applications.
IEEE J. Solid State Circuits, May, 2024

Fall Detection System Based on Point Cloud Enhancement Model for 24 GHz FMCW Radar.
Sensors, January, 2024

4.4 A Highly-Integrated 6-Phase Cell-Reused Digital Transmitter Using 1/3 Duty-Cycle LO Signals for Harmonic Rejection.
Proceedings of the IEEE International Solid-State Circuits Conference, 2024

2023
A Transformer-Based Quadrature Doherty Digital Power Amplifier With 4.1 W Peak Power in 28 nm Bulk CMOS.
IEEE J. Solid State Circuits, December, 2023

A Tri-Mode Reconfigurable Receiver for GNSS/NB-IoT/BLE With 68-dB HR3 and 60-dB IMRR in 28-nm CMOS.
IEEE Trans. Very Large Scale Integr. Syst., August, 2023

A Sub-GHz multimode digital polar transmitter for 802.11ah and NB-IoT applications.
Microelectron. J., February, 2023

A Fully-Integrated Wideband Digital Polar Transmitter With 11-bit Digital-to-Phase Converter in 40nm CMOS.
IEEE J. Solid State Circuits, February, 2023

A 50μW Ring-Type Complementary Inverse-Class-D Oscillator with 191.4dBc/Hz FoM and 205.6dBc/Hz FoMA.
Proceedings of the 2023 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits), 2023

A 19.7-to-43.8GHz Power Amplifier with Broadband Linearization Technique in 28nm Bulk CMOS.
Proceedings of the IEEE International Solid- State Circuits Conference, 2023

A 4.1 W Quadrature Doherty Digital Power Amplifier with 33.6% Peak PAE in 28nm Bulk CMOS.
Proceedings of the IEEE International Solid- State Circuits Conference, 2023

A 0.7-to-2.5GHz Sliding Digital-IF Quadrature Digital Transmitter Achieving >40% System Efficiency for Multi-Mode NB-IoT/BLE Applications.
Proceedings of the IEEE International Solid- State Circuits Conference, 2023

A 12.1-16.5GHz Resistance Self-biased Inverse Class-F23 VCO Achieving 20-54kHz 1/f<sup>3</sup> Corner Frequency.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2023

A CMOS Dual Band Low-Loss High-Isolation Switch for 5G New Radio.
Proceedings of the IEEE International Conference on Integrated Circuits, 2023

A 115-325MHz Wideband Analog Baseband with 0.5dB-Step Variable Gain Amplifier and Six-order Reconfigurable Gm-C Lowpass Filter.
Proceedings of the 15th IEEE International Conference on ASIC, 2023

Design of Multi-Mode Digital Signal Processing Circuit for Digital Transmitters.
Proceedings of the 15th IEEE International Conference on ASIC, 2023

A 293-to-303 GHz Fundamental VCO with -4dBm Peak Output Power in 40nm CMOS.
Proceedings of the 15th IEEE International Conference on ASIC, 2023

A Pattern Cancel DAC system design methodology for FMCW radar.
Proceedings of the 15th IEEE International Conference on ASIC, 2023

A Compact 144% Fractional Bandwidth CMOS Power Amplifier With an Optimization of Synthesized High-Order Matching Network.
Proceedings of the 15th IEEE International Conference on ASIC, 2023

A 4.7-to-18-GHz Ultra-Wideband Variable-Gain Balun-LNA Using 3<sup>rd</sup>-Order-Band-Pass Input Matching in 40-nm CMOS.
Proceedings of the 15th IEEE International Conference on ASIC, 2023

2022
Generating Salt-Affected Irrigated Cropland Map in an Arid and Semi-Arid Region Using Multi-Sensor Remote Sensing Data.
Remote. Sens., December, 2022

Smallholder Crop Type Mapping and Rotation Monitoring in Mountainous Areas with Sentinel-1/2 Imagery.
Remote. Sens., 2022

A 15-Bit Quadrature Digital Power Amplifier With Transformer-Based Complex-Domain Efficiency Enhancement.
IEEE J. Solid State Circuits, 2022

MC-UNet Multi-module Concatenation based on U-shape Network for Retinal Blood Vessels Segmentation.
CoRR, 2022

A Two-Stage Digital Predistortion Method for Quadrature Digital Power Amplifiers.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2022

2021
A Quadrature Digital Power Amplifier With Hybrid Doherty and Impedance Boosting for Complex Domain Power Back-Off Efficiency Enhancement.
IEEE J. Solid State Circuits, 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.
IEEE Access, 2021

Design of 35-dB 0.03-to-2.7 GHz Two-Stage Broadband Power Amplifier With 37.2 dBm P<sub>sat</sub> Using Modular Technology.
IEEE Access, 2021

Session 26 Overview: RF Power-Amplifier and Front-End Techniques Rf Subcommittee.
Proceedings of the IEEE International Solid-State Circuits Conference, 2021

A Two-Way Power-Combining 60GHz CMOS Power Amplifier with 22.0% PAE and 19.4dBm Psat in 65nm Bulk CMOS.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2021

Design of A Reference Buffer with Ultralow Output Resistance for High-speed ADCs.
Proceedings of the 14th IEEE International Conference on ASIC, 2021

A 0.9V 0.1-4GHz LNTA in 28-nm CMOS Achieving +11.3dBm IIP3 With Self-loaded Linearization Technique.
Proceedings of the 14th IEEE International Conference on ASIC, 2021

2020
Selection of technology standardization mode for libraries based on game theory.
Libr. Hi Tech, 2020

A Broadband Switched-Transformer Digital Power Amplifier for Deep Back-Off Efficiency Enhancement.
IEEE J. Solid State Circuits, 2020

Introduction to the Special Section on the 2019 RFIC Symposium.
IEEE J. Solid State Circuits, 2020

A Gesture Air-Writing Tracking Method that Uses 24 GHz SIMO Radar SoC.
IEEE Access, 2020

24.5 A 15b Quadrature Digital Power Amplifier with Transformer-Based Complex-Domain Power-Efficiency Enhancement.
Proceedings of the 2020 IEEE International Solid- State Circuits Conference, 2020

Transformer-Combining Digital PA with Efficiency Peaking at 0, -6, and -12 dB Backoff in 32nm CMOS.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2020

A Fully Differential Ultra-Compact and High Isolation Transformer-Based Wilkinson Power Divider.
Proceedings of the 2020 IEEE International Conference on Integrated Circuits, 2020

2019
Nonlinear Analytical Model for Switched-Capacitor Class-D RF Power Amplifiers.
IEEE Trans. Circuits Syst. I Regul. Pap., 2019

A Compact Transformer-Combined Polar/Quadrature Reconfigurable Digital Power Amplifier in 28-nm Logic LP CMOS.
IEEE J. Solid State Circuits, 2019

A Compact Dual-Band Digital Polar Doherty Power Amplifier Using Parallel-Combining Transformer.
IEEE J. Solid State Circuits, 2019

A Broadband Switched-Transformer Digital Power Amplifier for Deep Back-Off Efficiency Enhancement.
Proceedings of the IEEE International Solid- State Circuits Conference, 2019

2018
A compact dual-band digital doherty power amplifier using parallel-combining transformer for cellular NB-IoT applications.
Proceedings of the 2018 IEEE International Solid-State Circuits Conference, 2018

A compact 2.4GHz polar/quadrature reconfigurable digital power amplifier in 28nm logic LP CMOS.
Proceedings of the 2018 IEEE Custom Integrated Circuits Conference, 2018

2017
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.
Proceedings of the 2017 IEEE International Solid-State Circuits Conference, 2017

2015
Wi-Fi RF energy harvesting for battery-free wearable radio platforms.
Proceedings of the 2015 IEEE International Conference on RFID, 2015

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.
IEEE J. Solid State Circuits, 2012

A 2.4-GHz 20-40-MHz Channel WLAN Digital Outphasing Transmitter Utilizing a Delay-Based Wideband Phase Modulator in 32-nm CMOS.
IEEE J. Solid State Circuits, 2012

A 20dBm 2.4GHz digital outphasing transmitter for WLAN application in 32nm CMOS.
Proceedings of the 2012 IEEE International Solid-State Circuits Conference, 2012

2011
A Flip-Chip-Packaged 25.3 dBm Class-D Outphasing Power Amplifier in 32 nm CMOS for WLAN Application.
IEEE J. Solid State Circuits, 2011

A flip-chip-packaged 1.8V 28dBm class-AB power amplifier with shielded concentric transformers in 32nm SoC CMOS.
Proceedings of the IEEE International Solid-State Circuits Conference, 2011

A 31.5dBm outphasing class-D power amplifier in 45nm CMOS with back-off efficiency enhancement by dynamic power control.
Proceedings of the 37th European Solid-State Circuits Conference, 2011

Research on the clinical classification of Xi clan diabetic foot using fuzzy C-means clustering method.
Proceedings of the 2011 IEEE International Conference on Bioinformatics and Biomedicine Workshops, 2011

2010
A highly linear 25dBm outphasing power amplifier in 32nm CMOS for WLAN application.
Proceedings of the 36th European Solid-State Circuits Conference, 2010

2009
Automatic Web Image Annotation via Web-Scale Image Semantic Space Learning.
Proceedings of the Advances in Data and Web Management, Joint International Conferences, 2009

Adaptive Model for Integrating Different Types of Associated Texts for Automated Annotation of Web Images.
Proceedings of the Advances in Multimedia Modeling, 2009

Exploring Flickr's related tags for semantic annotation of web images.
Proceedings of the 8th ACM International Conference on Image and Video Retrieval, 2009

2008
WISA: a novel web image semantic analysis system.
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2008

PictureBook: A Text-and-Image Summary System for Web Search Result.
Proceedings of the 24th International Conference on Data Engineering, 2008

Web Image Annotation Based on Automatically Obtained Noisy Training Set.
Proceedings of the Progress in WWW Research and Development, 2008

2007
A Novel Active Learning Approach for SVM Based Web Image Retrieval.
Proceedings of the Advances in Multimedia Information Processing, 2007

2006
An Analysis of Errors in Feature-Preserving Mesh Simplification Based on Edge Contraction.
Proceedings of the 3rd International Symposium on 3D Data Processing, 2006

2005
2D FE Quad Mesh Smoothing via Angle-Based Optimization.
Proceedings of the Computational Science, 2005


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