Spectrum Analyzer Cumbersome (up to 30kg) Expensive (10k – 50k) Sophisticated (RF/IF gain, filter bw) Tan Zhang / Snoopy / HotMobile 2015Ĭan we use smartphones and tablets for spectrum sensing? Compact Cheap Easy to use Tan Zhang / Snoopy / HotMobile 2015Įnable spectrum analytics at massive scale Spatial Distribution of Android and IPhone devices New York Los Angeles Tan Zhang / Snoopy / HotMobile 2015Īpproach 1 – leverage subcarrier energy sample from built-in WiFi chipsets, e.g., Atheros 92xx WiFi Chipset Subcarrier Power Airshark Frequency Tan Zhang / Snoopy / HotMobile 2015Īpproach 2 – attach customized analyzer dongle WiSpy (WiFi band) RTL-SDR (TV band) Tan Zhang / Snoopy / HotMobile 2015ĩ Limitation of Existing Mobile Phone Sensing Whitespace spectrum Spectrum Vacancy Network Diagnosis Device Management Tan Zhang / Snoopy / HotMobile 2015 Tan Zhang, Ashish Patro, Ning Leng, Suman Banerjee University of Wisconsin-Madison Tan Zhang / Snoopy / HotMobile 2015 1 A Wireless Spectrum Analyzer in Your Pocket
0 kommentar(er)
