Wi-Fi Listen-Before-Talk Will Protect Electronic Newsgathering in 6 GHz, Tech Companies Say
Tech companies told the FCC listen-before-talk features of Wi-Fi and other unlicensed devices will protect electronic newsgathering operations in the 6 GHz band. “Wi-Fi does not transmit if it detects energy above a specified ‘energy detection’ threshold,” said a filing…
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posted Monday in 18-295. “If it detects the presence of such a signal, or after transmitting itself, it will then wait a random period of time before attempting to transmit again, minimizing the odds that multiple transmitters will begin transmitting” simultaneously. Traffic is also “regulated to ensure that no single device transmits continuously for more than a few milliseconds,” the companies said. The filing was by Apple, Broadcom, Cisco, Facebook, Google and other companies advocating the FCC allow sharing in the spectrum, and responded to NAB. SiriusXM Radio reported on a call with an aide to Chairman Ajit Pai on its 6 GHz concerns (see 2003180044).