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3.5 GHz Federal Incumbent Protection Algorithms



Michael R. Souryal, Thao T. Nguyen, Nickolas J. LaSorte


The current standardized algorithm for U.S. federal incumbent protection in the 3.5 GHz band is sub-optimum in that it moves more commercial transmissions out of the protected channel than necessary, in most cases. This paper proposes a more efficient algorithm that packs transmissions in the allowed interference budget jointly across incumbent receiver azimuths rather than independently, resulting in 7% to 40% fewer commercial transmissions affected.
Proceedings Title
IEEE International Symposium on Dynamic Spectrum Access Networks
Conference Dates
October 22-25, 2018
Conference Location
Seoul, KR


3.5 GHz, incumbent protection, interference, spectrum sharing


Souryal, M. , Nguyen, T. and LaSorte, N. (2018), 3.5 GHz Federal Incumbent Protection Algorithms, IEEE International Symposium on Dynamic Spectrum Access Networks, Seoul, KR, [online],, (Accessed May 20, 2024)


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Created October 21, 2018, Updated April 13, 2022