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).
|Title of host publication||2019 13th European Conference on Antennas and Propagation (EuCAP)|
|Number of pages||5|
|Publication status||Published - 20 Jun 2019|
|Event||13th European Conference on Antennas and Propagation - Krakow, Poland|
Duration: 31 Mar 2019 → 5 Apr 2019
Conference number: 13th
|Conference||13th European Conference on Antennas and Propagation|
|Period||31/03/19 → 5/04/19|
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- lognormal model
- millimeter wave
- multipath fading
- shadowed fading
- κ-μ model
ASJC Scopus subject areas
- Computer Networks and Communications
Yoo, S. K., Zhang, L., Cotton, S., Ngo, H., & Scanlon, W. (2019). Ceiling- or Wall-Mounted Access Points: An Experimental Evaluation for Indoor Millimeter Wave Communications. In 2019 13th European Conference on Antennas and Propagation (EuCAP)  IEEE.