Iridium Hasn't Proved 29.25-29.3 GHz Band Sharing Won't Work, ViaSat Says
Iridium hasn't shown any technical analysis to back its opposition to earth stations in motion (ESIM) sharing the 29.25-29.3 GHz band with its non-geostationary orbit (NGSO) mobile satellite service feeder link station operations, ViaSat said in an FCC docket 17-95…
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posting Thursday. It said the 29.25-29.5 GHz band "is clearly underutilized," with Iridium using only 50 MHz. It said with ESIMs operating in the same envelope as very small aperture terminals, there's no reason ESIMs shouldn't be allowed to share the spectrum. And it said any aggregate inference to Iridium satellite receivers could be monitored and resolved down the road, the same way the FCC is committed to address aggregate interference from multiple NGSOs into geostationary satellites. Iridium outside counsel didn't comment.