Effect of radiation patterns on WLAN delay spreads for 60 GHz living room environments

The Parameters, those can affect an indoor Wireless Local Area Network (WLAN) at 60 GHz, are multi-path reflections, polarization-effects, shadowing, interior of the room, main beam lobe, and side lobe level (SLL) of radiation patterns. RMS Delay Spread (RDS) of a channel can be reduced if SLL of antenna radiation pattern can be minimized. RDS is a measure of channel delay and fading characteristics. Minimum RDS can reduce channel deep-fade and multipath effects. This paper investigates the effect of different level of SLL on RDS characteristics considering two different living room environments. One of the approaches is IEEE 802.11ad living room channel model, and the other is Full-3D ray tracing simulation model of a residential apartment. The investigations show that reduced SLL of radiation pattern can effectively reduce the RDS.