March 16, 2020

Visual Detection-Based Blockage Prediction for Beyond 5G Wireless Systems

  • Korpi D.
  • Mateo Rendón Jaramillo
  • Perttu Yli-Opas
  • Uusitalo M.

This paper presents a novel visual detection-based approach for predicting imminent blockages of wireless radio links in industrial ultra reliable low-latency communication (URLLC) systems. The solution is based on detecting the bounding box of the UE-object and deducing from the temporal behavior of the bounding box whether the object is about to be blocked by an obstacle. It is shown that such detection approach allows one to predict the blockage as the bounding box starts to become smaller much before the full blockage occurs. Simulation results indicate that the proposed visual blockage prediction scheme can significantly reduce the latency of URLLC networks by preventing packet errors due to blockage and the associated reduction in link quality. In macro cell scenarios, the latency reduction is as much as 5 ms. In addition, we also show that the detection range of the proposed solution is sufficient for most industrial applications; with a 4K camera, reasonably sized objects can be detected from as far as 130 m away.

Recent Publications

May 01, 2020

A Packaged 0.01-26-GHz Single-Chip SiGe Reflectometer for Two-Port Vector Network Analyzers

  • Chung H.
  • Ma Q.
  • Rebeiz G.
  • Sayginer M.

© 1963-2012 IEEE. This article presents a packaged SiGe BiCMOS reflectometer for 0.01-26-GHz two-port vector network analyzers (VNAs). The reflectometer chip is composed of a resistive bridge coupler and two wideband heterodyne receivers for coherent magnitude and phase detection. In addition, a high-linearity receiver channel is designed to accommodate 20 ...

August 01, 2019

Protecting photonic quantum states using topology

  • Blanco-Redondo A.

The use of topology to protect quantum information is well-known to the condensed-matter community and, indeed, topological quantum computing is a bursting field of research and one of the competing avenues to demonstrate that quantum computers can complete certain problems that classical computers cannot. In photonics, however, we are only ...

May 01, 2019

Digital networks at the nexus of productivity growth

  • Kamat S.
  • Prakash S.
  • Saniee I.
  • Weldon M.

This paper takes a fresh look at the debate over the relationship between digital technology and productivity. The argument of economic historian Robert J. Gordon is that digital technology will not lead to increases in productivity such as we saw in the last century, based on his analysis of the ...