'Listen Before Talk' Won't Work in 12 GHz: DirecTV
During a session with FCC staff, DirecTV reiterated its criticism of Dish Network's study that purports to show no serious interference risks from terrestrial use of the 12 GHz band (see 2312270045). In a docket 20-443 filing Monday recapping a…
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meeting with the Space and Wireless bureaus and Office of Engineering and Technology staffers, DirecTV said the study didn't consider its direct broadcast satellite antennas that terrestrial operators would need to protect. DirecTV said because it constantly broadcasts on the full 500 MHz of 12 GHz spectrum to deliver service, it "is always 'talking,'” meaning there is no way to use “listen before talk” strategies to allow other systems to share the band.