Google Research

General Science

We aim to transform scientific research itself. Many scientific endeavors can benefit from large scale experimentation, data gathering, and machine learning (including deep learning). We aim to accelerate scientific research by applying Google’s computational power and techniques in areas such as drug discovery, biological pathway modeling, microscopy, medical diagnostics, material science, and agriculture. We collaborate closely with world-class research partners to help solve important problems with large scientific or humanitarian benefit.

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Miniaturized Circularly Polarized Doppler Radar for Human Vital Sign Detection
Preview Abstract

In this paper, a compact circularly-polarized (CP) continuous wave doppler radar system at 2.4 GHz is presented. The radar front end is a single dual CP antenna, which consists of a dual linearly polarized patch connected to a modified ring shaped quadrature hybrid coupler. This results to a very small overall footprint of the CP antenna (50mm × 50mm × 3mm). Despite its compact size, the high...

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Miniaturized Circularly Polarized Doppler Radar for Human Vital Sign Detection

Changzhan Gu, Haijiang Ma, Jiang Zhu, Yuchu He

IEEE Transaction on Antennas and Propagation (2019)

RFID Based Non-Contact Human Activity Detection Exploiting Cross Polarization
Preview Abstract

This paper explores antenna’s polarization for Radio-Frequency Identification (RFID) based non-contact human activity detection. For the first time, a cross circular polarization configuration between reader antenna and tag antenna is proposed to increase the sensing range and spatial sensitivity. Compared to conventional RFID configurations - linearly polarized (LP) tag and circularly...

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RFID Based Non-Contact Human Activity Detection Exploiting Cross Polarization

Jiang Zhu, Manos M. Tentzeris, Tony He, Wenjing Su

IEEE Access (2019)

RSSAC026v2: RSSAC Lexicon
Preview Abstract

The precise technical language often found in Internet Engineering Task Force (IETF) Request for Comments (RFCs), while often providing consistency and clarity to technical communities, can sometimes be incomprehensible or misleading when used in a non-technical setting. The purpose of this document is to increase the understanding of terms used commonly when discussing the root server system...

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RSSAC026v2: RSSAC Lexicon

Fred Baker, Wes Hardaker, Paul Hoffman, Warren Kumari, Lars-Johan Liman, Daniel Migault, Russ Mundy, Karl Reuss, Brad Verd, Paul Vixie, Duane Wessels

ICANN Root Server System Advisory Committee (RSSAC) Reports and Advisories (2020), pp. 9

SAC109 - The Implications of DNS over HTTPS and DNS over TLS
Preview Abstract

Encrypted DNS technologies, including DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT), are recent protocols developed for the primary purpose of enhancing user privacy. They accomplish this in several ways, including encrypting their traffic in transit and permitting DNS resolver selection and resolution in applications. Major browser vendors, Internet Service Providers (ISPs), and others are...

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SAC109 - The Implications of DNS over HTTPS and DNS over TLS

Warren Kumari, Barry Leiba, Suzanne Woolf, Joe Abley, Tim April, Paul Ebersman, Ondrej Filip, Geoff Huston, Jacques Latour, John Levine, Chris Roosenraad, Tara Whalen

ICANN Security and Stability Advisory Committee (SSAC) Reports and Advisories (2020), pp. 34

Inundation Modeling in Data Scarce Regions
Preview Abstract

Flood forecasts are crucial for effective individual and governmental protective action. The vast majority of flood-related casualties occur in developing countries, where providing spatially accurate forecasts is a challenge due to scarcity of data and lack of funding. This paper describes an operational system providing flood extent forecast maps covering several flood-prone regions in India,...

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Inundation Modeling in Data Scarce Regions

Zvika Ben-Haim, Vova Anisimov, Aaron David Yonas, Varun Gulshan, Yusef Shafi, Stephan Hoyer, Sella Nevo

Artificial Intelligence for Humanitarian Assistance and Disaster Response Workshop (2019)

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