Introduction

This is a follow-up blog on Wi-Fi client testing. In our last blog post, we discussed the importance of Wi-Fi device testing and how to ensure reliable Wi-Fi connectivity & much more.

We selected some flagship devices and tested them with WiSure. To comprehend the significance of having reliable Wi-Fi access, the test’s outcomes are provided along with a few intriguing insights. 

Test Setup

To test connectivity, we used WiSure and some flagship phones/devices that are available in the market. WiSure has two access points and a programmable attenuator and it is RF-shielded. devices are kept in an RF-shielded chamber. WLAN connection time and channel switch time would be measured using WiSure.

With an analysis of the different types of frames seen on air, WiSure calculates the time required for WLAN connection and channel switch time.

Testing wifi client device using WiSure- Alethea Communications

Configurations

Configuration Of Wi-Fi Testing result-WiSure

Test Results

These devices were tested one after another in an ideal environment at the same distance.

WLAN Connection & Channel Switch Response

Flagship wifi device connectivity with WiSure- Alethea Communications

Roaming

wifi client roaming test using WiSure- Alethea Communications

Observations

  • The connection time for laptop A is 420.615ms which is 10x slower than other devices. 
  • It is interesting to note that smartphone connection and channel switching times are faster than laptop connection and channel switching times.
  • Smartphone B excels at roaming, with a 100% success rate and an average roaming time of 130.029ms.
  • Laptop B may have taken comparatively more time to roam, but it still has a 100% success rate, whereas the other two devices have recorded only 70% and 90% success rates.

About WiSure

WiSure is a fully automatable test solution to validate the quality of the Wi-Fi functionality in smart devices. Alethea communications has defined a test plan for a Wi-Fi device testing to ensure a reliable Wi-Fi connection that incorporates experience from in-house R&D and Wi-Fi device metrics specification by the Wi-Fi alliance.

Using WiSure OEM/ODMS can

  • Test with different Wi-Fi configurations and field scenarios
  • Test performance and stability of the device
  • Test with dynamic changes in the network
  • Test with different ISP backhaul (WAN) configurations

What Next 

In the next part of the blog, we will compare and analyse the performance metrics of Wi-Fi clients measured with WiSure.

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