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Xiaoxiong Gu
Researcher at IBM
Publications - 108
Citations - 3636
Xiaoxiong Gu is an academic researcher from IBM. The author has contributed to research in topics: Phased array & Antenna (radio). The author has an hindex of 27, co-authored 106 publications receiving 2874 citations. Previous affiliations of Xiaoxiong Gu include University of Washington.
Papers
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Journal ArticleDOI
A 28-GHz 32-Element TRX Phased-Array IC With Concurrent Dual-Polarized Operation and Orthogonal Phase and Gain Control for 5G Communications
Bodhisatwa Sadhu,Yahya Tousi,Joakim Hallin,Stefan Sahl,Scott K. Reynolds,Orjan Renstrom,Kristoffer Sjogren,Olov Haapalahti,N. Mazor,Bo Bokinge,Gustaf Weibull,Hakan Bengtsson,Anders Carlinger,Eric Westesson,Jan-Erik Thillberg,Leonard Rexberg,Mark Yeck,Xiaoxiong Gu,Mark Ferriss,Duixian Liu,Daniel J. Friedman,Alberto Valdes-Garcia +21 more
TL;DR: This paper presents the first reported 28-GHz phased-array IC for 5G communications, implemented in 130-nm SiGe BiCMOS, which includes 32 TRX elements and features concurrent independent beams in two polarizations in either TX or RX operation.
Proceedings ArticleDOI
7.2 A 28GHz 32-element phased-array transceiver IC with concurrent dual polarized beams and 1.4 degree beam-steering resolution for 5G communication
Bodhisatwa Sadhu,Yahya Tousi,Joakim Hallin,Stefan Sahl,Scott Reynolds,Orjan Renstrom,Kristoffer Sjogren,Olov Haapalahti,N. Mazor,Bo Bokinge,Gustaf Weibull,Hakan Bengtsson,Anders Carlinger,Eric Westesson,Jan-Erik Thillberg,Leonard Rexberg,Mark Yeck,Xiaoxiong Gu,Daniel J. Friedman,Alberto Valdes-Garcia +19 more
TL;DR: The RFIC reported here supports concurrent and independent dual-polarized operation in TX and RX modes, and is compatible with a volume-efficient, scaled, antenna-in-package array.
Proceedings ArticleDOI
A 90nm CMOS integrated Nano-Photonics technology for 25Gbps WDM optical communications applications
Solomon Assefa,Steven M. Shank,William M. J. Green,Marwan H. Khater,Edward W. Kiewra,Carol Reinholm,Swetha Kamlapurkar,Alexander V. Rylyakov,Clint L. Schow,Folkert Horst,Huapu Pan,Teya Topuria,Philip M. Rice,Douglas M. Gill,Jessie Rosenberg,Tymon Barwicz,Min Yang,Jonathan E. Proesel,Jens Hofrichter,Bert Jan Offrein,Xiaoxiong Gu,Wilfried Haensch,John J. Ellis-Monaghan,Yurii A. Vlasov +23 more
TL;DR: The first sub-100nm technology that allows the monolithic integration of optical modulators and germanium photodetectors as features into a current 90nm base high-performance logic technology node is demonstrated.
Journal ArticleDOI
Physics-Based Via and Trace Models for Efficient Link Simulation on Multilayer Structures Up to 40 GHz
Renato Rimolo-Donadio,Xiaoxiong Gu,Young H. Kwark,Mark B. Ritter,Bruce Archambeault,F. de Paulis,Yaojiang Zhang,Jun Fan,Heinz-Dietrich Bruns,Christian Schuster +9 more
TL;DR: In this paper, an analytical model for vias and traces is presented for simulation of multilayer interconnects at the package and printed circuit board levels, which can be applied to efficiently simulate a wide range of structures.
Journal ArticleDOI
Antenna-in-Package Design Considerations for Ka-Band 5G Communication Applications
TL;DR: A practical Ka-band AiP structure based on multilayer organic buildup substrates that is suitable for phased-array module integration needs and supports both horizontal and vertical polarizations is introduced.