Channel Dynamics and SNR Tracking in Millimeter Wave Cellular Systems
Konferenz: European Wireless 2016 - 22th European Wireless Conference
18.05.2016 - 20.05.2016 in Oulu, Finnland
Tagungsband: European Wireless 2016
Seiten: 8Sprache: EnglischTyp: PDFPersönliche VDE-Mitglieder erhalten auf diesen Artikel 10% Rabatt
Giordani, Marco; Zorzi, Michele (University of Padova, Italy)
Mezzavilla, Marco; Dhananjay, Aditya; Rangan, Sundeep (MilliLabs Inc., NY, USA & NYU Wireless, Brooklyn, NY, USA)
The millimeter wave (mmWave) frequencies are likely to play a significant role in fifth-generation (5G) cellular systems. A key challenge in developing systems in these bands is the potential for rapid channel dynamics: since mmWave signals are blocked by many materials, small changes in the position or orientation of the handset relative to objects in the environment can cause large swings in the channel quality. This paper addresses the issue of tracking the signal to noise ratio (SNR), which is an essential procedure for rate prediction, handover and radio link failure detection. A simple method for estimating the SNR from periodic synchronization signals is considered. The method is then evaluated using real experiments in common blockage scenarios combined with outdoor statistical models.