Tianyang Bai

Student Tianyang Bai awarded Qualcomm Roberto Padovani Fellowship

In recognition of his outstanding performance as a summer intern, Qualcomm awarded WNCG Ph.D. student Tianyang Bai the Roberto Padovani Fellowship. 

The fellowship was created in 2008 to recognize Qualcomm’s corporate research and development interns who demonstrate superior technical performance during their summer internship. Roberto Padovani was Qualcomm’s chief technology officer for nearly 10 years and was a leading innovator for the company.

Analysis of Self-Body Blocking Effect in mmWave Cellular Networks

The millimeter wave (mmWave) spectrum is a strong candidate carrier frequency for access channels in 5G cellular networks. Unfortunately, measurements show the human body heavily attenuates mmWave signals, e.g. by a factor of 20-40 dB. Consequently, users’ bodies may attenuate the direct signal, cause signal outage, and further change the base station associations. The effect of self-body blocking was not incorporated in prior performance analysis of mmWave cellular networks.

Performance Analysis of Millimeter Wave Ad Hoc Networks

Ad hoc networks provide a flexible, infrastructure-free means to communicate between soldiers in war zones, aid workers in disaster areas, or consumers in device-to-device (D2D) applications. Ad hoc networks, however, are still plagued by interference caused by uncoordinated transmissions which leads to poor scaling due to distributed coordination. Communication with millimeter-wave (mmWave) devices offers hope to 
ad hoc networks through higher bandwidth, reduced interference due to directional antennas, and weaker interference power due to building blockage. 
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