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An FPGA-Based Energy-Efficient Reconfigurable Convolutional Neural Network Accelerator for Object Recognition Applications Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2021,Volume: 68,Issue: 9,Page: 3143-3147
Authors:  Li, Jixuan;  Un, Ka Fai;  Yu, Wei Han;  Mak, Pui In;  Martins, Rui P.
Favorite |  | TC[WOS]:1 TC[Scopus]:1 | Submit date:2021/09/20
Computation Efficiency  Convolutional Neural Network (Cnn)  Fpga  Object Recognition  Reconfigurability  
Design Considerations of the Interpolative Digital Transmitter for Quantization Noise and Replicas Rejection Journal article
IEEE Transactions on Circuits and Systems II: Express Briefs, 2020,Volume: 67,Issue: 1,Page: 37-41
Authors:  Un,Ka Fai;  Zhang,Feifei;  Mak,Pui In;  Martins,Rui P.;  Zhu,Anding;  Staszewski,Robert Bogdan
Favorite |  | TC[WOS]:3 TC[Scopus]:4 | Submit date:2021/03/09
Digital Baseband  Digital Transmitter (Dtx)  Linear Interpolation  Modulation  Noise Filtering  Out-of-band Noise  Quantization Noise  Replicas  
Learning across multi-stimulus enhances target recognition methods in SSVEP-based BCIs Journal article
Journal of Neural Engineering, 2020,Volume: 17,Issue: 1
Authors:  Wong,Chi Man;  Wan,Feng;  Wang,Boyu;  Wang,Ze;  Nan,Wenya;  Lao,Ka Fai;  Mak,Peng Un;  Vai,Mang I.;  Rosa,Agostinho
Favorite |  | TC[WOS]:18 TC[Scopus]:19 | Submit date:2021/03/11
brain-computer interface  canonical correlation analysis  learning across multi-stimulus  steady-state visual evoked potential  task-related component analysis  
A 0.12-mm2 1.2-to-2.4-mW 1.3-to-2.65-GHz Fractional-N bang-bang digital PLL with 8-μs settling time for multi-ISM-Band ULP radios Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2019,Volume: 66,Issue: 9,Page: 3307-3316
Authors:  Un,Ka Fai;  Qi,Gengzhen;  Yin,Jun;  Yang,Shiheng;  Yu,Shupeng;  Ieong,Chio In;  Mak,Pui In;  Martins,Rui P.
Favorite |  | TC[WOS]:3 TC[Scopus]:3 | Submit date:2021/03/09
Bang-bang  Digital Phase-locked Loop (Dpll)  Digital-to-time Converter (Dtc)  Gain Calibration  Ring Vco  Ultra-fast Settling  Ultra-low-power (Ulp)  Voltage-controlled Oscillator (Vco)  
Overview of Recent Development on Wireless Sensing Circuits and Systems for Healthcare and Biomedical Applications Journal article
IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS, 2018,Volume: 8,Issue: 2,Page: 165-177
Authors:  Li, Changzhi;  Un, Ka-Fai;  Mak, Pui-in;  Chen, Ying;  Munoz-Ferreras, Jose-Maria;  Yang, Zhi;  Gomez-Garcia, Roberto
Favorite |  | TC[WOS]:17 TC[Scopus]:22 | Submit date:2018/10/30
Non-contact Characterization  Contactless  Noncontact Sensing  Implantable Devices  Radiofrequency Interaction  Wireless Neural Interface  
A 0.7-2.5 GHz, 61% EIRP System Efficiency, Four-Element MIMO TX System Exploiting Integrated Power-Relaxed Power Amplifiers and an Analog Spatial De-Interleaver Journal article
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, 2018,Volume: 65,Issue: 1,Page: 14-25
Authors:  Yu, Wei-Han;  Un, Ka-Fai;  Mak, Pui-In;  Martins, Rui P.
Favorite |  | TC[WOS]:1 TC[Scopus]:1 | Submit date:2018/10/30
Antenna Array  Beamforming  Cmos  Diversity Gain  Error-vector Magnitude (Evm)  Fading Channel  Mobile  Multiple-input Multiple-output (Mimo)  Mimo Decoder  Matching Network (Mn)  Pulse-shaping Filter (Psf)  Power Amplifier (Pa)  Transmitter (Tx)  Signal-to-noise Ratio (Snr)  Wideband  
Time-domain I/Q-LOFT compensator using a simple envelope detector for a sub-GHz IEEE 802.11af WLAN transmitter Conference paper
2016 21st Asia and South Pacific Design Automation Conference (ASP-DAC), Macao, PEOPLES R CHINA, JAN 25-28, 2016
Authors:  Chak-Fong Cheang;  Ka-Fai Un;  Pui-In Mak;  Rui P. Martins
Favorite |  | TC[WOS]:0 TC[Scopus]:0 | Submit date:2019/02/11
Wideband driver amplifier Patent
专利类型: 发明专利, 专利号: US9172337B2, 申请日期: 2013-11-06, 公开日期: 2015-10-27
Authors:  Ka-Fai UN;  Pui-In Mak;  Rui Paulo da Silva Martins
Favorite |  | TC[WOS]:0 TC[Scopus]:0 | Submit date:2019/03/12
A Sub-GHz wireless transmitter utilizing a multi-class-linearized PA and time-domain wideband-auto I/Q-LOFT calibration for IEEE 802.11af WLAN Journal article
IEEE Transactions on Microwave Theory and Techniques, 2015,Volume: 63,Issue: 10,Page: 3228-3241
Authors:  Ka-Fai Un;  Wei-Han Yu;  Chak-Fong Cheang;  Gengzhen Qi;  Pui-In Mak;  Rui P. Martins
Favorite |  | TC[WOS]:6 TC[Scopus]:6 | Submit date:2019/02/11
Adjacent Channel Leakage Ratio (Aclr)  Cmos  Digital Calibration  Gm-c Low-pass Filter  Harmonic Rejection Mixer (Hrm)  Harmonic Rejection Ratio (Hrr)  Ieee 802.11af  Image Rejection Ratio (Irr)  In-phase/quadrature (I/q) Imbalance  Lo Feedthrough (Loft)  Lo-leakage Rejection Ratio (Lrr)  Local Oscillator (Lo)  Power Amplifier (Pa)  Transmitter (Tx)  Wideband  
A Combinatorial Impairment-Compensation Digital Predistorter for a Sub-GHz IEEE 802.11af-WLAN CMOS Transmitter Covering a 10x-Wide RF Bandwidth Journal article
IEEE Transactions on Circuits and Systems I: Regular Papers, 2015,Volume: 62,Issue: 4,Page: 1025-1032
Authors:  Chak-Fong Cheang;  Ka-Fai Un;  Wei-Han Yu;  Pui-In Mak;  Rui P. Martins
Favorite |  | TC[WOS]:9 TC[Scopus]:10 | Submit date:2019/02/11
Cmos  Counter-intermodulation (Cim)  Digital Predistortion (Dpd)  Frequency-dependent I/q Imbalance  Power Amplifier (Pa)  Rf  Volterra Series  Wideband Transmitter