Iridium Pushes for License Conditions on Ligado LTE Plans
Part of Ligado's LTE network plans -- specifically its use of 1627.5-1637.5 MHz -- should come with license conditions to reduce potential interference to Iridium's satellite downlinks, Iridium said in an FCC ex parte filing posted Wednesday in docket 11-109.…
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Iridium's proposed conditions include reduced out-of-band emissions from Ligado's mobile terminals into Iridium's adjacent spectrum at 1617.775-1626.5 MHz, and exclusion zones around airport facilities to prohibit Ligado user terminals near aeronautical mobile-satellite route service communications. Iridium said its interference worries involve unwanted emissions within its band, not receiver overload from Ligado's in-band emissions -- which was the source of GPS industry conflicts with Ligado. The filing recapped a meeting between Iridium representatives including Chief Legal Officer Thomas Hickey and FCC staffers from the Wireless and International bureaus and the offices of General Counsel and of Engineering and Technology. A Harris Corp. engineer also participated. Ligado didn't comment Thursday.