Microsoft Spectrum Observatory

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Presentation transcript:

Microsoft Spectrum Observatory Ranveer Chandra Microsoft Research Joint work with: Anoop Gupta, Matt Valerio, Paul Garnett, Victor Bahl, Aakanksha Chowdhery, Ashish Kapoor, Mariya Zheleva

MSR KNOWS Program (2005 – …) v1: Ad hoc networking in TV white spaces Capable of sensing TV signals, hardware functionality v2: Infrastructure based networking(WhiteFi) Capable of sensing TV signals & microphones, deployed in lab v3: Campus-wide WhiteFi network + world-wide trials Deployed on campus, and provide coverage in MS Shuttles Deployments in several countries in Africa, Asia & Europe v4: White spaces beyond TV spectrum Spectrum measurements to identify additional white spaces

Trials and Pilot Projects © 2014 Dynamic Spectrum Alliance

Problem Statement For a given region, which spectrum bands are best to form DSA networks?

Problem Statement For a given region, which spectrum bands are best to form DSA networks? Industrial/Business Radio GPS Radio-navigation NASA Deep Space Network Military Radars Fixed Service Satellites Maritime Aviation …. Mobile Satellite Services Diverse set of primary licensees, different transmission schemes, coverage regions etc…

Our Approach Academics Regulators White Space devices Users Microsoft Cloud Service Wireless Operators … <$5,000

Our Approach Microsoft Azure Cloud Service End User <$5,000 Policy Makers DSA Users Researchers Visualize • Real-time/History Occupancy Cmds • User Signal Feature Processed Data • Other Information… Control Cmds End User <$5,000 Local Station DATA Control Local Processing: Averaging, Sampling, Feature extraction

Our Approach Smart Visualizations FCC Spectrum Dashboard Fixed Spectrum Analyzer Measurements Mobile Spectrum Measurements Spectrum Occupancy Smart Visualizations

Use cases Policy makers: White space devices: Academics/Researchers: Identify unused portions of spectrum, i.e. good for DSA Detect rogue transmissions Identify locations of transmitters (in developing countries) White space devices: Dynamically consult with database to decide spectrum for communication Academics/Researchers: Modeling the real world

Summary http://observatory.microsoftspectrum.com Ongoing Research 10+ active stations, many more in the future Please contact AnoopG if you are willing to host a station, or interested in analysis Ongoing Research Better Data: Quick & reliable spectrum scanning algorithms (with MIT) Space-Time-Frequency occupancy using mobile spectrum measurements (with IIT-Delhi) Making sense of the data: Detecting transmitters in spectrum observatory data (with UCSB) DSA metric to identify spectrum most suitable for DSA (with Stanford)