Multimedia

Smart home device design and Wi-Fi connectivity using EM simulation

27 October 2021

Recent advances in smart devices and communication technologies offer a variety of innovative smart home solutions. The smart home concept includes establishing reliable links between various devices including speakers, thermostats, doorbells and cameras.

This webinar demonstrates the strengths of Remcom’s XFdtd and Wireless InSite in analyzing the performance of a wireless fidelity smart speaker (access point or AP) used for home networking and a generic remote camera that provides video surveillance around the house for security monitoring. These user devices are designed in XF with the intent of connecting to a Wi-Fi system that covers the 802.11 a/b/g/n/ac/ax standards at frequencies of 2.4, 5 and 6 GHz. The Wi-Fi system includes two multiband conformal antennas that transmit the high-resolution video.

Wireless InSite is then used to perform a throughput analysis of the array(s) created in XF in the indoor smart home scenario. This covers a variety of Wireless InSite's capabilities, including importing XF's MIMO data, Wireless InSite’s method for performing MIMO propagation simulations and the MIMO techniques available in the Communications Systems Analysis toolbox for calculating metrics such as SNR and throughput. The results are then used to compare the effectiveness of these methods in different use cases, focusing on options for receiver diversity combining, beamforming and closed-loop spatial multiplexing.

Key takeaways

  • Learn how to design and simulate smart home devices in XFdtd
  • Utilize array optimization to analyze beamforming capabilities of smart home devices
  • Export critical antenna outputs to import into Wireless InSite for propagation analysis
  • Set up MIMO access points and user devices in a smart home environment
  • Utilize Wireless InSite’s Comms Analysis Toolbox to assess throughput performance via several MIMO techniques


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