Qualcomm, Verizon Wireless and Cingular Wireless stressed to FCC ...
Qualcomm, Verizon Wireless and Cingular Wireless stressed to FCC Office of Engineering & Technology last week need for collaborative testing as part of FCC’s planned review of ultra-wideband (UWB) rules it adopted earlier this year. Commission plans to conduct…
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testing in next 6-12 months to assess limits it placed in Part 15 rules on UWB devices and ascertain whether any changes need to be made to requirements. Wireless companies said in May 24 ex parte filing they believe “that such testing is necessary to determine the extent of harmful interference from UWB devices to wireless phone service.” Wireless companies during UWB proceeding raised concerns about potential interference from UWB devices to Enhanced 911 service that use Assisted GPS technology. Companies told OET that “protecting the GPS band is insufficient to ensure that E911 service is not degraded as a result of UWB emissions, but rather that E911 service also needs a reliable communications link to operate successfully.” Filing said FCC officials indicated concerns in meeting about “the availability of equipment for testing of the interference from UWB devices to E911 service.” Wireless firms said they would make any needed equipment available to agency for testing. Filing also said Commission officials said they had no current plans to undertake testing of harmful interference from UWB devices to wireless phones. “They said that they were not aware of any evidence that the impact of UWB emissions on wireless service was any different than the impact of Part 15 devices,” filing said. FCC also said it was interested in testing to ascertain ambient noise levels inside buildings.