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 ...

• Margaret H. Pinson, Lucjan Janowski, and Mark D. Gross, “Reasons to Replace Term Ecological Validity with Terms Mundane Realism and External Validity,” Conference Paper, October 2025

  The term ecological validity is widely used across IEEE publications, but its definition and application remain inconsistent and ambiguous. This paper explores how conflicting definitions of ecological validity lead to confusion about exper-imental ...

• 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...