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Test and measurements company Viavi has introduced Reduced Capability (RedCap) device emulation for 5G network testing. This technology enables true performance validation for Internet of Things (IoT) and private networks. It is specifically designed for a new class of simpler, lower-cost devices such as wearables, industrial wireless sensors, and video surveillance. Viavi’s RedCap solution is built upon their TM500 network test platform, which is widely used by network equipment manufacturers for base station performance testing.

RedCap devices, also known as Broadband IoT or NR-Light, were introduced by the 3rd Generation Partnership Project (3GPP) in 5G NR Release 17. These devices, categorized as mid-tier IoT devices, have average speed and latency requirements. They fill the gap between high-end use cases like Ultra Reliable Low Latency Communications (URLLC) and lower-end Low-Power Wide-Area (LPWA) applications. By introducing RedCap devices, 3GPP has formally supported the deployment of devices at the network edge for IoT and Industry 4.0 applications.

According to Ian Langley, Senior Vice President of Viavi’s Wireless Business Unit, while 5G deployment is stabilizing globally, industrial and private networks are still in their early stages. The RedCap specifications provide the missing link for the class of devices used in these applications. This enables equipment manufacturers and operators to develop and deploy devices with confidence.

Viavi’s RedCap device emulation will contribute to the continued development and expansion of IoT and private networks. With the ability to validate the performance of these devices in a 5G network, it opens up opportunities for various industries to leverage the benefits of 5G technology.

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