Cantwell, Colleagues Call For More Oversight on Unlicensed Spectrum
WASHINGTON, D.C. – As the Federal Communications Commission (FCC) begins a process to examine the effects of new technologies like LTE Unlicensed, U.S. Senators Maria Cantwell (D-Wash.), Brian Schatz (D-Hawai‘i), Richard Blumenthal (D-Conn.), Tom Udall (D-N.M.), Ed Markey (D-Mass.), and Claire McCaskill (D-Mo.) sent a letter to FCC Chairman Tom Wheeler calling for more oversight on the potential interference LTE-U could have on Wi-Fi.
“As unlicensed spectrum usage increases, the need for all stakeholders to proactively work together to address interference issues will only grow,” wrote the Senators. “We are concerned that without proper coordination and management, LTE-U may harm Wi-Fi operations. Thus, we support continued FCC oversight and leadership in this area in order to protect consumers from potential harm.”
The full text of the letter to Chairman Wheeler follows:
Dear Chairman Wheeler:
We are writing today in regards to the Commission’s Public Notice to examine the effect new technologies, namely LTE Unlicensed (LTE-U), could have on existing operations in spectrum bands for unlicensed devices. It is critical that this examination be open and thorough to make sure that these new technologies operate fairly and do not impede the availability of the unlicensed spectrum necessary for robust Wi-Fi and other unlicensed technologies or otherwise degrade operations.
Consumers and the larger wireless ecosystem have come to rely greatly on Wi-Fi and other unlicensed technologies. In the 20 years since the FCC unlocked spectrum for unlicensed technologies, consumer use of innovative communications technologies like Wi-Fi and use of the Internet has skyrocketed. Today, nearly half of all Internet traffic worldwide travels over Wi-Fi connections and Wi-Fi use is expected to continue to grow over the coming years. And the proliferation of Internet of Things technologies that rely on unlicensed spectrum will further increase unlicensed spectrum utilization.
Several factors have made unlicensed spectrum an incredibly beneficial resource to consumers and businesses. For instance, one of the important attributes of unlicensed spectrum in the U.S. has been that it is a regulated with a very light touch. This very open environment has enabled innovation; however, it has also required cooperation among competing technologies and serious work by industry led standards groups to minimize harmful interference. And, as unlicensed spectrum usage increases, the need for all stakeholders to proactively work together to address interference issues will only grow.
At this juncture, stakeholders have indicated that there is an absence of consensus as to the likely real-world effect on millions of Wi-Fi devices by carrier-scale deployment of these LTE technologies. We are concerned that without proper coordination and management, LTE-U may harm Wi-Fi operations. Thus, we support continued FCC oversight and leadership in this area in order to protect consumers from potential harm.
It remains critical for industry to work together, including through their traditional standards-development bodies, to resolve concerns over interference. In the meantime, we recommend that the FCC initiate a process that allows industry to develop an effective sharing solution—as has been developed with other technologies in the past—to avoid any unnecessary consumer dislocation. This could include a series of meetings led by the FCC’s Office of Engineering and Technology to ensure that constructive dialogue between technical experts continues in an open and neutral forum and to promote continued work on effective spectrum sharing mechanisms. We encourage you to act on this request expeditiously, given reports that some wireless companies plan to begin deploying LTE-U technologies in the near future.
Thank you for your continued efforts to preserve the vitality of the Nation’s unlicensed bands.
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