Test & Measurement

OTA measurement solution for Wi-Fi 6E verification

25 August 2021 Test & Measurement

Communications test and measurement supplier, Anritsu and Bluetest, a specialist in reverberation chamber technology for OTA (over-the-air) testing of wireless devices and small antennas, have combined their recent product upgrades to create an up-to-date OTA measurement solution for verifying WLAN RF performance in the new 6 GHz band, as well as for existing WLAN standards (802.11 a/b/g/n/ac/ax) in the 2,4 and 5 GHz bands.

The collaboration provides customers with a complete WLAN OTA test solution capable of transmit power (TRP) and receiver sensitivity (TIS) measurements on devices and access points. Measuring the OTA performance in life-like but repeatable conditions enables manufacturers of small and large WLAN-equipped devices, including IoT and smart home appliances, to optimise the radio performance and end-user satisfaction.

6 GHz has for a long time been the upper frequency limit of most public communication systems. This is now changing with the WLAN standard IEEE 802.11ax expanding up to 7,125 GHz range (Wi-Fi 6E). The growth of WLAN connected devices and services is expected to benefit greatly from this increase in available frequency space and number of 160 MHz channels.

The Anritsu Wireless Connectivity Test Set MT8862A is dedicated to the WLAN standard, hence optimised for stable and reliable connections with wider dynamic range, even in a faded environment such as in the Bluetest reverberation chamber. It is now updated with a new radio module adding support for the 6 GHz band and 160 MHz channels, in addition to the already supported 2,4 and 5 GHz bands. The test setup is easily expanded to support 2x2 MIMO measurements using two MT8862A units.

Bluetest has meanwhile upgraded its complete range of reverberation test systems with an increased default frequency coverage. The compact and cost-effective RTS25 chamber is upgraded by adding the new 6-7,125 GHz band. This chamber primarily targets the WLAN and Bluetooth industry. The best-selling RTS65, as well as the larger RTS85 and RTS95, now feature 4x4 MIMO support for frequencies all the way up to 12 GHz, in addition to previously released 5G FR2 packages with 2x2 MIMO support up to 43,5 GHz.

The Anritsu MT8862A as well as all Bluetest chambers with the extended operating frequency range are available for order and upgrade packages are offered for already installed systems. The updated Bluetest chambers are accompanied by corresponding upgrades to the line of accessories, such as reference antennas, ISS11 attenuator system and ISS11 instrument switch.


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