Vehicle-to-vehicle (V2V) anti-collision systems could potentially provide warnings...
Vehicle-to-vehicle (V2V) anti-collision systems could potentially provide warnings in as many as 76 percent of multi-vehicle collisions involving at least one light vehicle, but spectrum concerns are among the major issues that remain, GAO said in a report released Friday.…
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In January, former FCC Chairman Julius Genachowski floated a proposal to use 5 GHz spectrum, including the 5850-5925 MHz band already dedicated to V2V systems, to help alleviate Wi-Fi congestion. “Although existing FCC regulations are designed to ensure that unlicensed devices do not cause interference, four automobile manufacturers and 16 experts we interviewed expressed concern or uncertainty about the potential effects of allowing unlicensed devices to share the 5.9 GHz band,” GAO said (http://1.usa.gov/16sMAkf). “One automobile industry group said that its members are not opposed to opening the 5.9 GHz band for sharing but emphasized the importance of understanding the implications of doing so to ensure that it will not hinder critical V2V safety applications.” One expert suggested sharing the spectrum “would create an added burden for both automobile manufacturers and suppliers, which would have to consider technical steps to make coexistence with unlicensed devices feasible and conduct additional testing to maintain confidence that V2V technologies will work as envisioned,” GAO said.