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XR (VR/AR/MR) Device Development

XR (VR/AR/MR) Device Development

Supports quality inspections at XR (VR/AR/MR) device development

Click Here to Watch Demo Video (to be published on the beginning of February)  

XR (VR/AR/MR) device quality verification requirements

Question

What tests should I perform to confirm and improve the quality of my XR devices?

Answer

There are three main kinds of testing:

1) RF parametric tests
2) Legal compliance tests
3) Application tests for actual use cases

1) RF parametric and 2) legal compliance tests are basically the same for smartphones and other devices. Satisfying these testing requirements secures device network connectivity and communications quality. Please download our Assuring IoT Device Communications Quality white paper for more information. 3)Application tests for actual use cases depend on the assumed use cases and are important for improving user experience.

Question

Can you explain more about the application tests? Since XR devices support video and graphics communications as well as audio, I’d like to know the points to confirm.

Answer

Although XR technology has been used commercially in recent years, the 5G rollout expands its potential use cases, such as industrial and medical applications. For example, the remote assistance function enables sharing of detailed video information with a remote expert using 4K hi-definition, high-frame-rate video. However, sometimes wireless telecommunication networks suffer from instability due to coverage conditions and interference, as well as other reasons, due to signals emitted from other devices. It is important to examine the parameters for assumed use cases under various conditions. In the above example, the key test items are stability in response time and large-capacity communications.

Question

Can you tell me more about use cases when UE wireless networks become unstable?

Answer

Let’s look at an example of a smart factory use case. Although these factories are originally designed to eliminate the dead zones, changing the configuration of production-line for optimization can sometimes create areas with poor wireless coverage. Accordingly, testing is required to confirm whether the video quality and response time are stable when the device moves through an area with poor wireless coverage. Similarly, device operation must be verified in the assumed use-case environment, where radio waves might be obstructed or suffer interference from other communications equipment, such as an Automated Guided Vehicle (AGV), which can cause accidents.

Use cases of XR devices are not limited to general consumers. The importance of application testing for assumed use cases is increasing as applications expand into industrial fields, including the optimization of hardware design, remote control, remote assistance, efficient on-the-job training, succession of skills, and smart warehouses.

Question

Testing the quality of XR devices requires combining various parameters, assuming that there are various operation scenarios. Since it is clearly difficult to conduct extensive testing in a live network environment, what is the suitable base station simulator specifically for 5G NR?

Answer

Anritsu’s Radio Communication Test Station MT8000A is the leading base-station simulator for 5G NR testing. It has been developed based on Anritsu’s extensive expertise from the earliest stages of wireless communications in collaboration with world-leading chipset vendors. As a result, you can start testing efficiently and immediately.

Anritsu’s all-in-one Radio Communication Test Station MT8000A meets your 5G test requirements ranging from protocol to RF tests. Additionally, it offers stable test environment, makes testing easier with easy-to-use GUI and automated test tools for RF to confirm 3GPP compliance. Also, SmartStudio NR control software for MT8000A enables scripting-free application tests, so it is the ideal test solution even for users with little knowledge of 3GPP standards. Moreover, Anritsu’s collaboration with industry-leading vendors to support combined use of the MT8000A with various network simulators simplifies video content quality tests.

As well as assuring user-level quality with the application tests described in the Q&A, we also recommend customers to perform RF related tests because even when a communication module itself meets the required standards, the RF characteristics may be degraded in the finished XR device, depending on the module installation conditions. To learn more, please also read this White Paper.

White paper
White Paper: What are the required wireless evaluations for IoT devices? CLICK HERE TO DOWNLOAD

Anritsu is ready to support your testing by versatile and efficient solutions for development through to manufacturing use, with its long experience in wireless testing developed over many years from 2G era in collaboration with world-leading chipset and module vendors.

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