Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Jeremy D. Dunworth"'
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 67:2946-2963
This paper reports a transmit–receive (Tx–Rx) front-end (FE) in bulk CMOS targeting fifth-generation (5G) mobile user equipment (UE)-phased arrays. Block-level specifications are first reviewed based on link budget and UE array beam steering cons
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 66:4563-4575
Two passive phase shifters (PSs) are proposed to minimize insertion loss (IL) in bulk CMOS technology for 28-GHz fifth generation integrated phased-array transceivers. The first PS is based on a true delay phase shift structure, where a modification
Publikováno v:
IEEE Journal of Solid-State Circuits. 51:3020-3036
This paper presents the first linear bulk CMOS power amplifier (PA) targeting low-power fifth-generation (5G) mobile user equipment integrated phased array transceivers. The output stage of the PA is first optimized for power-added efficiency (PAE) a
Publikováno v:
IEEE Microwave and Wireless Components Letters. 28:64-66
This letter presents a CMOS wideband variable gain LNA for 28-GHz 5G integrated phased-array transceivers preserving high third-order intercept point (OIP3) at all gain settings. The prototype LNA has three stages providing digitally controlled gain
Autor:
Ming-Ta Yang, P. Chidambaram, Jeremy D. Dunworth, Joseph Wang, Kamal Sahota, Haitao Cheng, Gang Liu, Sriram Kalpat, Wing Sy, Chuan-Cheng Cheng
Publikováno v:
VLSI-DAT
5G NR (New Radio) standard allows utilization of higher frequency spectrum into millimeter wave (mmWave) bands (24GHz to 71GHz and above) to support wider modulated signal bandwidths from 100MHz to more than 2GHz, higher data rate communication, and
Publikováno v:
IEEE Journal of Solid-State Circuits. 51:1200-1209
This paper presents an all-digital class-G quadrature switched-capacitor power amplifier (Q-SCPA) implemented in 65 nm CMOS. It combines in-phase ( I ) and quadrature ( Q ) signals on a shared capacitor array. The I / Q signals are digitally weighted
Autor:
Aliakbar Homayoun, Joung Won Park, Gang Liu, Hyun-Chul Park, Bon-Hyun Ku, Vladimir Aparin, Yu-Chin Ou, Paul Mouat, Andrew Arnett, Jongrit Lerdworatawee, Jeremy D. Dunworth, T. Segoria, Keith Douglas, Kaushik Chakraborty, David Lu, Hajir Hedayati, Ali Tassoudji
Publikováno v:
2018 IEEE/MTT-S International Microwave Symposium - IMS.
A 28GHz phased array transceiver with RF/IF conversion in 28nm bulk CMOS supports up to 12 antenna elements each on 2 MIMO layers. The transceiver is targeted for small antenna arrays in mobile user equipment, implements an AMPM compensated PA, passi
Autor:
Nathan Seongheon Jeong, Koymen Ozge, Ali Tassoudji, Yu-Chin Ou, Jeremy D. Dunworth, Vasanthan Raghavan
Publikováno v:
2018 IEEE 19th Wireless and Microwave Technology Conference (WAMICON).
Millimeter-wave technology brings a new paradigm of wireless communication in various areas including mobile devices, automotive, IoT (Internet of Things), medical, military and many others. In this paper, we present our recently developed antenna in
Autor:
P. Monat, Joung Won Park, Aparin Vladimir, Y-C. Ou, B-H. Ku, K. Douglas, H-C. Park, T. Segoria, Jeremy D. Dunworth, Kaushik Chakraborty, Jongrit Lerdworatawee, Aliakbar Homayoun, Hajir Hedayati, Gang Liu, D. Lu
Publikováno v:
ISSCC
Developing next-generation cellular technology (5G) in the mm-wave bands will require low-cost phased-array transceivers [1]. Even with the benefit of beamforming, due to space constraints in the mobile form-factor, increasing TX output power while m
Publikováno v:
NEWCAS
This paper presents a transformer combined, quadrature switched-capacitor power amplifier (Q-SCPA) that amplifies in-phase (I) and quadrature (Q) signals separately and combines them in a power-combining transformer. The unit SCPA utilizes a class-G