Tech Companies See Little Risk to 6 GHz Incumbents From VLP Devices
The potential that a very-low-power device would interfere with a fixed-service receiver in the 6 GHz band is “incredibly remote and requires a chain of improbable coincidences,” said a lawyer for Apple, Broadcom, Google and Meta Platforms in a filing…
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posted Thursday in FCC docket 18-295. HWG’s Paul Caritj said he met with Ira Keltz, deputy chief of the Office of Engineering and Technology. “Given that the typical user is indoors more than 90% of the time, this already reduces the risk significantly,” the filing said: “The device must be in an unusual location where harmful interference is even theoretically possible. Due to the off-axis discrimination of FS antennas and the fact that FS links are designed to operate high off the ground to avoid buildings, terrain, and clutter, this requires either VLP operation very close to an FS receiver, or an anomalous FS link whose beam intersects the ground.” The FS link must also be operating on the same channel as the VLP device, the filing said.