2020 was a banner year for unlicensed spectrum. For the first time in decades, the FCC made available significant amounts of additional capacity for Wi-Fi. The Wi-Fi Alliance recently released a report that affirms the wisdom of those actions.
Long before the COVID-19 pandemic motivated many Americans to learn, work, seek treatment, and interact socially from the safety of their homes, Wi-Fi had started to outgrow unlicensed allocations in the 2.4 and 5 GHz bands. The exploding number of connected devices and ever-evolving requirements – higher speeds, lower latency – demanded not just more spectrum, but also contiguous wideband (160 MHz) channels able to take full advantage of Wi-Fi 6, the latest iteration of the technical standard.
The Commission responded in April by freeing up 1,200 MHz in the 6 GHz band for unlicensed use. I wrote in a February 2020 Perspectives from FSF Scholars about the potential of Wi-Fi 6 equipment operating in the 6 GHz band – branded commercially as "Wi-Fi 6E" devices – to modernize wireless networking.
In addition, in November the agency reallocated 45 MHz of spectrum in the 5.9 GHz band to unlicensed use. The Free State Foundation filed comments supporting that proposal, and I wrote a supporting piece, "The FCC's 5.9 GHz Proposal Would Advance Both Wi-Fi and Vehicle Safety," shortly before its adoption.
In a December 7 statement announcing the agency's approval of the first Wi-Fi 6E device, Chairman Ajit Pai highlighted the role that Wi-Fi has played during the current public health crisis and proclaimed a new era in wireless connectivity:
Today, we get an exciting glimpse of America's Wi-Fi future.... During the COVID-19 pandemic, we've all seen how Wi-Fi has enabled everything from work-at-home to telehealth to remote learning to streaming and gaming. Wi-Fi 6 will turbocharge each of these and more, and will also complement commercial 5G networks. Bottom line: The American consumer's wireless experience is about to be transformed for the better.
A December 2020 report prepared by Telecom Advisory Services LLC and released by the Wi-Fi Alliance quantifies just how important Wi-Fi networks are during these trying times. A few key takeaways:
- Global Wi-Fi use has increased roughly 82 percent during the pandemic.
- U.S. smartphone use of Wi-Fi increased over 10 percent in March.
- The number of devices connected to Wi-Fi networks has increased by 11 percent.
- The number of simultaneously connected devices has jumped at least 60 percent.
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