LMCC Urges FCC to Change Interference Contours for 800 MHz Interstitials
Friday, January 04, 2019 | Comments

The Land Mobile Communications Council (LMCC) filed a petition for reconsideration urging the FCC to reconsider the definition of the interference contours to be used in coordinating 800 MHz mid-band (809 – 817/854 – 862 MHz) applications and the derating factors to be applied in that contour analysis.

The petition specifically notes that the derating factors proposed by the LMCC and published in the report and order (R&O) were developed for use with an F(50,50) curve and are not appropriate when applied to the more conservative F(50,10) curve, which the FCC adopted in the R&O. If the FCC persists in using the published derating factors with the F(50,10) curve, the result will be less spectrally efficient and will reduce the spectrum use that otherwise could be derived from introducing interstitial channels into the 800 MHz band.

A coalition of industry groups requested the change in October before the R&O was released.

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