The "60 GHz Coexistence Study Group" was created due to concerns about unmanned aerial vehicles and other radar equipment operating in the 60-band band. Unlicensed GHz may affect other spectrum usage technologies.
To address the inadequacies in using the 60 GHz band, the companies sent a letter to Marlene Dortch, Secretary of the US Federal Communications Commission, calling on the Commission to address a range of issues. technology and policies for users of the 60 GHz band, including with respect to some technologies used in radars, will cause interference with other spectrum usage technologies.
Technology companies want a new regulation for the 60 GHz band
The research team's interest in using this band has been started by two companies seeking approval from the FCC to use the spectrum in the 60 GHz band. In particular, Leica Geystems, a Swiss manufacturer of measuring instruments and geographic survey systems, has asked the FCC to allow its drones to operate in the frequency range from 60. GHz-64 GHz. Israel's Vayyar Imaging, which develops smart radar sensors for 3D photography, is seeking ways for the FCC to allow its interactive motion sensors to operate in the 57 GHz-64 GHz range. .
In a letter to the FCC, the team wrote: “Requests from both companies are aimed at seeking FCC authorization to operate radar equipment in the unlicensed frequency band at The capacity is higher than allowed for those devices in accordance with FCC Rules 15.255, which demonstrates the growing industry interest in new wireless technologies seeking to use them. 60 GHz band. These recommendations are intended to make separate changes beyond the current FCC rules and would like the FCC to adjust its regulatory framework in the use of a 60 GHz band without a license. ”
Talking about this issue, Mr. Dean Brenner, Qualcomm's senior vice president of technology policy and spectrum strategy, said that Qualcomm is interested in the 60 GHz band for many reasons. For example, Qualcomm has been actively developing chipsets for 802.11ad or WiGig technology that operate in the 60 GHz band. The WiGig specification allows devices to communicate with each other over the air at multiple gigabit speeds. In addition, Qualcomm has been researching advanced antenna technologies to use for that spectrum for a long time.
Meanwhile, John Kuzin, Qualcomm's vice president and legal adviser on government issues, said: “Any unlicensed band can be used for 5G and technology for our unlicensed band for this band can support both Wi-Fi and 5G on the same communication element. ” In fact, Release 17 of 3GPP will extend the standards for 5G in the 60 GHz band.
The 60 GHz spectrum can also be used for fixed radio access (FWA) based on Facebook's Terragraph technology. Facebook has set up Terragraph technology on the mmW band to meet the demand for high-speed Internet in both urban and suburban areas as well as remote rural areas. Terragraph technology uses 60 GHz frequency and mmW radio waves to create a distributed radio network. Facebook claims that it can provide the same internet speed as fiber optic cables at a fraction of the cost of deploying new fiber optic lines.
Talking about Facebook's Terragraph technology, Mr. Dean Brenner said, basically the Terragraph technology uses 60 GHz frequency as a backbone for their network. He emphasized the value of Terragraph technology to bring connectivity to places without fiber optic cables such as schools and hospitals in rural areas as well as to connect in third world countries. But Facebook has also worked with companies like Common Networks to use Terragraph technology as part of a fixed wireless access service for cities in Silicon Valley.
Speaking of the group's wishes for the 60 GHz band, both Kuzin and Brenner said that there has been a lot of interest in the recent 60 GHz band from various companies. And the parties have sent letters to the FCC not to try to prevent creative spectrum usage, but they just want the regulations to be clear.
They say more clear rules are needed to maintain reasonable coexistence between radar technologies and sensors that detect environmental disturbances, requiring higher power levels than currently allowed. Participating companies are calling on the FCC to begin a comprehensive policy-making process to ensure reasonable coexistence in the 60 GHz band.
Source: Fiercewireless