How Did VIAVI Validate Nokia’s Massive MIMO for 5G-Advanced and 6G?

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As the telecom industry races toward the next generation of wireless communication, ensuring the efficiency and reliability of new technologies becomes paramount. Recently, VIAVI Solutions successfully validated the over-the-air (OTA) performance of Nokia’s Massive MIMO radio operating in the upper 6 GHz frequency range. This milestone is crucial for enhancing 5G-Advanced and 6G networks, enabling a future where robust and widespread connectivity is a reality. The upper 6 GHz spectrum, recognized during the World Radio Conference 2023, is pivotal for expanding capacity and coverage while accommodating growing 5G demands.

In an effort to effectively manage increasing data traffic and ensure efficient spectrum usage, telecom operators are urged to bolster their TDD mid-band spectrum holdings. This is essential to meet ever-expanding connectivity needs. The validation process was spearheaded by a proof of concept conducted at Nokia’s Otava lab in Finland, concentrating on the Nokia AirScale platform functioning within the 6425–7125 MHz range. At the heart of this evaluation was VIAVI’s NITRO® Wireless test portfolio, which encompassed cutting-edge tools like the TM500 Network Tester and OneAdvisor 800 spectrum and signal analyzer.

Critical Validation Tests

The validation undertaking involved comprehensive testing that spanned several critical areas, imperative for real-world application. Key tests included detailed spectrum analysis to ensure the integrity of the signal, verification of peak throughput to assess the maximum data handling capacity, and performance evaluations with emulated User Equipment (UEs) alongside actual data traffic applications. These assessments were instrumental in confirming the over-the-air performance of the Nokia Massive MIMO radio and its readiness to support the sophisticated requirements of 5G-Advanced and 6G networks. The aim was to ensure the technology could perform under real-life conditions, providing the necessary reliability and efficiency.

This collaboration between VIAVI and Nokia epitomizes the industry’s ongoing transition from 4G to the more advanced realms of 5G and soon 6G. This shift underlines the critical need for advanced testing solutions that can guarantee superior network performance. VIAVI’s involvement in these validation efforts reflects its dedication to collaborating with network equipment manufacturers and operators. By doing so, VIAVI plays a crucial role in ensuring that technological progress is seamless and meets the standards essential for future communications.

To summarize, the validation of Nokia’s Massive MIMO radio by VIAVI Solutions represents a significant leap toward optimizing the upper 6 GHz band. This development is not just about enhancing performance but also about ensuring greater capacity and more extensive coverage within wireless communication networks. The ultimate goal is to pave the way for the successful implementation of future 5G-Advanced and 6G applications, setting a benchmark for network reliability and efficiency in an increasingly connected world.

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