Fixed Service Vulnerable to Unlicensed Use in the 6 GHz Band, FWCC Says
Unlicensed use in the 6 GHz band will clearly cause "pervasive and consistent" -- not rare -- interference to the 95,000 licensed fixed service links in the band, the Fixed Wireless Communications Coalition said in a filing to be posted…
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in docket 17-183. It responded to arguments by tech companies seeking unlicensed use of the band that there won't be harmful interference (see 1805140049). FWCC said the level of interference the tech companies concede to "would decimate FS reliability," but the actual interference "would be orders of magnitude worse." It said most of the mitigation measures the tech companies propose wouldn't protect 6 GHz FS. The group said the "extraordinarily high reliability" required of FS operations means even a brief interference even to a sole receiver could disable numerous links for several minutes while it resynchronizes. Outside counsel for the tech companies didn't comment.