The Federal Communications Commission (FCC) on Thursday approved a new network technology called C-V2X, which connects cars to each other and traffic signals,media reported. The FCC’s proposal is understood to release some spectrum for some unauthorized use. But its arrival casts a shadow over the C-V2X’s old rival, the DSRC.
For the past 20 years, DSRC has held exclusive access to the 5.9GHz band.
Radio spectrum is a valuable resource, and many wireless communication technology enthusiasts are fighting for as much radio spectrum as possible to promote their different visions for the future. Spectrum is widely used, from mobile networks on which mobile phones depend to Wi-Fi, Bluetooth, television broadcasts, police and fire department networks, to remote telecommunications.
Unauthorized spectrum is free for all, with many different uses communicating simultaneously on the same band, while authorized spectrum is used for telephone networks, emergency services, and automotive communications, which are protected to provide more reliable services.
“Balanced approach” to the radio spectrum
The FCC says the proposal seeks a balanced approach — a way to improve car safety while unleashing more wireless innovationfor the American people.
For years, the agency has been wondering what to do with the 5.9GHz band. Its latest proposal will divide it into three parts: the minimum 45MHz will be used for unauthorized use, meaning that anyone can use the radio for free; As for the middle 10MHz, it will be available to the DSRC – but only if DSRC fans can make a compelling case during the review period and the FCC is not satisfied with the progress, otherwise it will be dedicated only to the C-V2X.
Wi-Fi Alliance, an industry group that helps standardize Wi-Fi network technology, welcomed the FCC’s proposal. Other companies that support the use of unauthorized spectrum include Comcast and Charter Communications, two large Internet service providers. Chipmakers Broadcom and Qualcomm also supported the FCC’s proposal. Note: Qualcomm is a major supporter of the C-V2X.
Automakers want more spectrum
But some carmakers are not happy with the move.
On Thursday, local time, the Global Automobile Manufacturers Association and the Alliance of Automobile Manufacturers said the FCC’s proposal, which puts a bet on life, slows innovation and goes against what the commission has heard from safety and technology experts. Automakers are ready to use all available 75MHz, and the FCC must protect critical secure communications from harmful interference, including unauthorized technology, the groups said.
But the carmaker group sidestepped the issue between the DSRC and the C-V2X.
James Hackett, Ford’s chief executive, wrote to the FCC in November that the company was willing to share 5.9GHzHz with unauthorized users, but only if there was strong evidence that the use of other bands would not compromise the performance of the C-V2X.
Qualcomm says the 20MHz spectrum is enough for the C-V2X, which uses today’s mainstream network technology, 4G. “In addition to 20MHz, we have also applied for the 40MHz 5G C-V2X band, which is used to support self-driving cars,” said Dean Brenner, Qualcomm’s senior vice president of spectrum strategy. “
FCC concerns DSRC ‘slow adoption’
The FCC points out that the slow deployment of DSRC services is the reason for the decision to handle the 5.9GHz band. For DSRC fans such as Volkswagen and Toyota, this is a gloomy sign.
In response, Toyota said it would not comment unless it reviewed the FCC’s proposal in more detail.
In fact, the emergence of this proposal is not surprising. FCC Chairman Ajit Pai said last month that the DSRC was for ubiquitous traffic and vehicle-related communications services, but the results did not reflect that, “two decades later, this situation can only be described at best as an ‘unfulfilled promise’.” “
But the C-V2X’s stance is good for fans like Ford and Qualcomm. The C-V2X represents a cellular car to everything, covering how cars can connect directly to infrastructure such as traffic signals and mobile networks operated by companies such as AT?amp;T and Verizon.
It is reported that the development of the C-V2X began with the current 4G technology, in fact, this is exactly the type that Ford plans to build in its cars. But it also extends to 5G networks to provide faster data transfer speeds and more reliable communication.