Recent Publications

• Nicholas DeMinco, Paul M. McKenna, and Robert Johnk, “A Comparative Analysis of Multiple Knife-Edge Diffraction Methods,” Technical Report NTIA TR 26-580, October 2025

  The results of a thorough comparative analysis of alternative graphical prediction methods for multiple knife-edge diffraction are presented and compared to the method developed by Vogler. The Vogler multiple knife-edge diffraction loss is rigorous ...

• Robert J. Achatz, Adam C. Hicks, Sarah L. Vasel, and Ryan S. McCullough, “2024 McMurdo Area Radio Noise Measurements and Analysis,” Technical Report NTIA TR 25-579, September 2025

  The Institute for Telecommunication Sciences (ITS) performed high frequency (HF) band (3-30 MHz) radio noise power measurements at six locations in the McMurdo Station (MS), Antarctica (AQ), area and one location at the Black Island Telecommunicatio...

• Margaret H. Pinson et al., “Test Plans, Results, and Lessons Learned About Open RAN Integration During the NTIA 5G Challenges,” Special Publication NTIA SP-25-578, April 2025

  The vision of the 5G Challenge competitions was to accelerate adoption of 5G open interfaces, interoperable subsystems, and multi-vendor solutions by fostering a large, vibrant, and growing vendor community dedicated to advancing 5G interoperability...

• Frank H. Sanders et al., “NTIA Case Study: Adjacent-Band Coexistence Between 5G Base Station Transmitters and Air Traffic Control Radar Receivers,” Technical Report NTIA TR 25-577, December 2024

  The introduction of Fifth Generation New Radio (5G NR) base station transmitters into 2590–2690 MHz in the U.S., adjacent to the spectrum band 2700–2900 MHz used by air traffic control radars, has resulted in interference effects in some safety-of-l...