Background Study on Efficient Use of the 2700-2900 MHz Band
In early 1980, NTIA, through the Interdepartment Radio Advisory Committee (IRAC) Spectrum Planning Subcommittee (SPS), became cognizant of several new major radar systems being developed by Government agencies in the 2700-2900 MHz band. In light of the long history of EMC problems in this band, NTIA recommended to the IRAC that several tasks be undertaken to ensure that the new systems are engineered properly to enhance their accommodation in the 2700-2900 MHz band. The associated tasks identified by NTIA were assigned by the IRAC to the IRAC Technical Subcommittee (TSC) and in turn were referred to the TSC Working Group 1. This report provides background information and summarizes the findings on the referred tasks. Equipment characteristics, radar deployment patterns, usage of the band based on Radio Spectrum Measurement System (RSMS) van measurements, and projected usage of the band in the 1980's were discussed. Also the accommodation of new systems planned for the band was studied. Based on the projected growth in the band and present and projected radar deployment patterns, recommendations were made to the IRAC which would enhance the accommodation of new systems planned for the band.
Keywords: 2700-2900 MHz band; Radar Spectrum Engineering Criteria (RSEC); interference
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