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Bodhisatwa Sadhu
Researcher at IBM
Publications - 101
Citations - 2465
Bodhisatwa Sadhu is an academic researcher from IBM. The author has contributed to research in topics: Voltage-controlled oscillator & Phased array. The author has an hindex of 19, co-authored 97 publications receiving 1752 citations. Previous affiliations of Bodhisatwa Sadhu include GlobalFoundries & Research Triangle Park.
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.
Patent
Speed of light referenced oscillator
TL;DR: In this paper, an oscillator and a method of fabricating the oscillator are described, which includes a resonator with a plurality of transmission lines and a negative resistance circuit coupled to the resonator that cancels internal loss resistance.
Journal ArticleDOI
Development, Implementation, and Characterization of a 64-Element Dual-Polarized Phased-Array Antenna Module for 28-GHz High-Speed Data Communications
Xiaoxiong Gu,Duixian Liu,Christian W. Baks,Ola Tageman,Bodhisatwa Sadhu,Joakim Hallin,Leonard Rexberg,Pritish R. Parida,Young H. Kwark,Alberto Valdes-Garcia +9 more
TL;DR: An organic-based multilayered phased-array antenna package for 28-GHz mm-wave radio access applications is implemented, which incorporates 64 dual-polarized antenna elements and features an air cavity common to all antennas.
Proceedings ArticleDOI
A 90nm SiGe BiCMOS technology for mm-wave and high-performance analog applications
John J. Pekarik,James W. Adkisson,Peter B. Gray,Q.Z. Liu,Renata Camillo-Castillo,Marwan H. Khater,Vibhor Jain,Bjorn Zetterlund,Adam W. Divergilio,Xiaowei Tian,Aaron L. Vallett,John J. Ellis-Monaghan,Blaine J. Gross,Peng Cheng,V. Kaushal,Zhong-Xiang He,J. Lukaitis,K. Newton,M. Kerbaugh,N. Cahoon,Leonardo Vera,Yi Zhao,John R. Long,Alberto Valdes-Garcia,Scott K. Reynolds,Wooram Lee,Bodhisatwa Sadhu,David L. Harame +27 more
TL;DR: The electrical characteristics of the first 90nm SiGe BiCMOS technology developed for production in IBM's large volume 200mm fabrication line are presented.