Swarun Kumar
Dina Katabi
ABSTRACT
Despite the rapid growth of next-generation cellular networks, researchers and end-users today have limited visibility into the performance and problems of these networks, particularly indoors. This paper introduces LTEye, the first open platform to monitor and analyze LTE radio performance at a fine temporal and spatial granularity. LTEye accesses the LTE PHY layer without requiring private user information or provider support. LTEye's analytics enable researchers and policy makers to uncover serious deficiencies in these networks due to inefficient spectrum utilization and inter-cell interference. In addition, LTEye extends synthetic aperture radar, widely used for radar and backscatter signals, to operate over cellular signals. This enables businesses and end-users to localize mobile users and study the distribution of LTE performance across spatial locations in their facility. We implement LTEye on USRP software radios, and present empirical insights and analytics from multiple AT&T and Verizon base stations in our locality.
- P. J. Fitch. Synthetic Aperture Radar. Springer-Verlag, 1988. Google Scholar
Digital Library
- J. Huang et. al. An In-depth Study of LTE: Effect of Network Protocol and Application Behavior on Performance. SIGCOMM, 2013. Google ScholarDigital Library
- J. Wang and D. Katabi. Dude, Where's My Card?: RFID Positioning That Works with Multipath and Non-line of Sight. SIGCOMM, 2013. Google ScholarDigital Library
Index Terms
- LTE radio analytics made easy and accessible
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