Ceiling- or Wall-Mounted Access Points: An Experimental Evaluation for Indoor Millimeter Wave Communications

Seong Ki Yoo, Lei Zhang, Simon L. Cotton, Hien Quoc Ngo, William G. Scanlon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper compares the received signal characteristics obtained for two access point (AP) mounting arrangements commonly encountered in indoor millimeter wave wireless networks, namely ceiling- and wall-mounted APs. To facilitate this, we consider three key user equipment (UE) usage scenarios, in which a user imitated making a voice call, operating an app and carrying the device in a pocket. For each of these UE cases, we investigate the fading characteristics of the millimeter wave channel at 60 GHz as the user walk toward and then away from the ceiling- and wall-mounted APs. Following this, the lognormal and κ-μ distributions are shown to provide a good fit to the shadowed and multipath fading, respectively. Based on the parameter estimates and model fitting, it is found that the choice between a ceiling- and wall-mounted position for the AP is dependent on the UE use case and whether the device is in line-of-sight (LOS) or non-LOS (NLOS).
Original languageEnglish
Title of host publication13th European Conference on Antennas and Propagation, EuCAP 2019
Publisher IEEE
Number of pages5
ISBN (Electronic)9788890701887
Publication statusPublished - 20 Jun 2019

Keywords

  • lognormal model
  • millimeter wave
  • multipath fading
  • shadowed fading
  • κ-μ model

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Instrumentation

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