Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Chi-Yao Yu"'
Autor:
Chien-Cheng Lin, Tzung-Han Wu, Bernard Mark Tenbroek, Ping-Yu Chen, Yen-Chuan Huang, Guang-Kaai Dehng, Yuan-Yu Fu, Chi-Yao Yu, Chinq-Shiun Chiu, Chao-Wei Wang, Jen-Che Tsai, Mohammed Hassan, Yen-Horng Chen, Li-Han Huang, Bo-Yu Lin, Anson Lin, Arnaud Werquin, Song-Yu Yang, Chi-Tsan Chen, Yi-Bin Lee, Ming-Da Tsai, Wei-Hao Chiu
Publikováno v:
VLSI-DAT
In this work, a 12nm CMOS 2/3/4/5G multi-RAT (Radio Access Technology) XCVR is presented, capable of supporting up to 6 inter-band CA DL with flexible 4x4 MIMO port selection and 2 inter-band CA UL with coherent 2x2 MIMO. In NR 200MHz 4x4 MIMO 256QAM
Autor:
Mohammed Hassan, Yen-Chuan Huang, Yen-Horng Chen, Yi-Bin Lee, Wei-Hao Chiu, Guang-Kaai Dehng, Yuan-Yu Fu, Chi-Yao Yu, Song-Yu Yang, Chi-Tsan Chen, Jen-Che Tsai, Ping-Yu Chen, Ming-Da Tsai, Tzung-Han Wu, Li-Han Hung, Bernard Mark Tenbroek, Anson Lin, Bo-Yu Lin, Arnaud Werquin, Chinq-Shiun Chiu, Chao-Wei Wang, Chien-Cheng Lin
Publikováno v:
ISSCC
With the explosion of online streaming, artificial intelligence and mobile computing, higher wireless data-rates are required, which in 5G NR are achieved by adopting massive MIMO and Carrier Aggregation (CA) with a wide channel bandwidth (BW) up to
Autor:
Christophe Beghein, Chih-Hsien Shen, Chung-Yun Chou, Shih-Chieh Yen, Jonathan Richard Strange, Hsin-Hung Chen, Yen-Tso Chen, Guang-Kaai Dehng, Sheng-Che Tseng, Manel Collados, Tzung-Han Wu, Dimitris Nalbantis, Chinq-Shiun Chiu, Chi-Yao Yu, Yangjian Chen, Song-Yu Yang, Bernard Mark Tenbroek, Yu-Tsung Lu, Caiyi Wang
Publikováno v:
ISSCC
The demand of higher data-rates for mobile communication has driven the LTE standard to adopt methods to increase channel bandwidth by Carrier Aggregation (CA), this is known as LTE-Advanced (LTE-A). Due to regional spectrum allocation, these carrier
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 60:257-267
This paper presents a 60 GHz, 16% tuning range VCO, and a 40 GHz, 18 bits, 14% tuning range DCO incorporating variable inductor (VID) techniques. The variable inductor, consisting of a transformer and a variable resistor, is tunable by adjusting its
Autor:
Ivan Siu-Chuang Lu, George Chien, Hsiang-Hui Chang, Sheng-Jui Huang, Chih-Chun Tang, Tzung-Han Wu, Chinq-Shiun Chiu, Lan-Chou Cho, Chi-Yao Yu, Chih-Hao Sun, Yen-Horng Chen, Wen-Chang Lee
Publikováno v:
IEEE Journal of Solid-State Circuits. 46:3047-3060
A quad-band GSM/GPRS/EDGE receiver, implemented in 65 nm CMOS, complies with the ETSI standard without the need of external SAW filters. By exploring the properties of passive mixers and current-mode operation from RF to baseband, the receiver can ac
Autor:
Chung-Yu Wu, Chi-Yao Yu
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 55:1649-1658
In this paper, direct injection-locked frequency dividers (ILFDs), which operate in the millimeter-wave (MMW) band, are analyzed. An analytically equivalent model of the direct ILFDs is developed, and important design guidelines for a large frequency
Autor:
Chi-Yao Yu, Lan-Chou Cho, Yen-Horng Chen, George Chien, Chih-Chun Tang, Chih-Hao Eric Sun, Ivan Siu-Chuang Lu
Publikováno v:
ISSCC
Over the last decade, significant progress has been made towards increasing integration and reducing bill of material (BOM) for GSM/GPRS/EDGE cellular systems. In modern cellular phones, transmit SAW filters have been largely eliminated with innovati
Publikováno v:
2008 IEEE Asian Solid-State Circuits Conference.
This paper presents the design of a 60-GHz, 14% tuning range VCO with a single variable inductor (VID). By employing the proposed frequency tuning scheme, wide-tuning range as well as multi-band operations are achieved without sacrificing its operati
Autor:
Chi-Yao Yu, Chung-Yu Wu
Publikováno v:
ISCAS (5)
The paper presents a completely integrated 0.8 V 5.9 GHz CMOS voltage-controlled oscillator (VCO) with inversion-mode MOS (IMOS) bandswitching varactors. IMOS varactors are used to maintain a large tuning range when the supply voltage is lower than 1
Autor:
Lu, I.S.-C., Chi-yao Yu, Yen-horng Chen, Lan-chou Cho, Sun, C.-h.E., Chih-Chun Tang, Chien, G.
Publikováno v:
2011 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC); 2011, p364-366, 3p