CEDAR PARK, Texas – May 20, 2021 – ETS-Lindgren announced its technical contributions to the International Microwave Symposium (IMS) 2021, one of the industry's most significant microwave symposia, to be held June 7 - 10 at the Georgia World Congress Center in Atlanta, Georgia. Hosted by the IEEE Microwave Theory and Techniques Society (MTT-S), the in-person symposium also features a virtual component scheduled for June 20 - 25. ETS-Lindgren engineers will present as part of the Industry Workshops technical program as well as support a live demonstration in ETS-Lindgren's Booth #1527 as part of the IMS2021 in-person exhibition.

Jari Vikstedt, Director, Wireless Solutions with ETS-Lindgren, will present in the Industry Workshop "Performance Validation of 5GNR mmWave Devices: From Chipset to Production Line" scheduled for Tuesday, June 8, from 8:00 - 9:40 am EDT in Room 313/314. Together with Allen Henley, Field Product Specialist with LitePoint, Mr. Vikstedt will address the unique challenges 5G New Radio (5GNR) technology presents to device manufacturers not only to find the space in which to place the chipset, but also to ensure the chipsets perform as intended – in all possible usage cases. RF testing of mmWave devices is performed using over-the-air (OTA) measurements, often employing multiple directional horn antennas to test a single device. A typical mmWave manufacturing test system requires careful consideration of the chamber, test equipment, switches, horn antennas, and cabling. While most design engineers and lab technicians are familiar with traditional OTA testing of wireless devices, today's modern mmWave devices present new challenges. As part of this workshop, attendees will learn how these key OTA test system components work together to address these new challenges. Key considerations and tradeoffs will be shared based on real-world applications. The workshop will conclude with a case study of a currently deployed high-volume mmWave production test solution.

"With the extensive R&D involving 5GNR technology, chipsets are required to handle increasing levels of technology, from typical digital data to radiating antenna elements in novel antenna array designs. 5GNR's low-frequency range, known as FR1, covers up to 7.2 GHz. RF testing of FR1 devices is similar to what is currently performed with WiFi and LTE. The high-frequency band, FR2, covers 24 GHz and higher; however, this band presents significant new challenges for RF testing," explained Mr. Vikstedt. "FR2 requires a new approach and all new test system components. Manufacturers are now faced with learning this new technology and providing high quality RF performance verification while minimizing the cost of testing. Allen and I will share solutions to these challenges in our workshop."

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