Dish Network fears a “harmful interference environment” for an AWS-4 uplink band from...
Dish Network fears a “harmful interference environment” for an AWS-4 uplink band from broadcast auxiliary service and government operations in the 2025-2110 MHz band, if the FCC shifts the company’s S-band uplink by 5 MHz, the satellite company said. Such…
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a move would “consign” at least a quarter of the AWS-4 uplink allocation “to being beyond efficient usability,” executives including Deputy General Counsel Jeff Blum told staff from the International and Wireless bureaus and the Office of Engineering and Technology. “This would be a lose-lose for DISH and mobile broadband consumers.” A recent study found AWS-4 base stations “cannot effectively filter out higher powered emissions from above 2025 MHz without an adequate frequency separation between the AWS-4 and 2025-2110 MHz bands,” Dish said in an ex parte filing. It said that’s “despite aggressive assumptions with respect to filter design and the ability of vendors for AWS-4 base stations to surpass minimum 3GPP specifications for base station adjacent channel selectivity.” The agency should finish the 2 GHz notice of proposed rulemaking, keeping “the existing band plan consistent with the AWS-4 NPRM,” said the filing posted Friday in docket 12-70 (http://xrl.us/bnp6sh). Such an order may circulate next month, and it’s unclear how it will respond to some proposals to shift the uplink band (CD Sept 12 p6).