Wireless 'Unwilling to Accept' UMFUS/FSS Spectrum Sharing: SIA
The wireless industry seems "unwilling to accept" the FCC's repeated conclusion that fixed satellite service earth stations can share spectrum with upper microwave flexible-use service (UMFUS), such as the proposed FSS allocation in the 51.4-52.4 GHz band, the Satellite Industry…
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Association said in RM-11871 Wednesday. It replied to CTIA's opposition to SIA's spectrum allocation petition (see 2102090050). Existing restrictions on placing FSS gateway earth stations in spectrum shared with UMFUS shows that CTIA's claim the satellite industry wants unrestricted FSS deployments in the 51.4-52.4 GHz band is groundless, SIA said. FSS operators "urgently" need that millimeter-wave spectrum for more capacity to support the growing demand for broadband satellite services, it said. CTIA didn't comment. Amazon's Kuiper said the spectrum will help fix a V-band FSS uplink/downlink "imbalance," with 4.5 GHz available for FSS downlinks in the 37.5-42 GHz band but only 4 GHz in the 47.2-50.2 and 50.4-51.4 GHz bands for uplinks.