Complete All FCC Testing Before Deciding on 5.9 GHz Future, Urges Toyota
The FCC should complete all three testing phases before deciding if unlicensed devices in the 5.9 GHz band are OK, urged Toyota. "'Re-channelization' devices submitted to the Commission for Phase I testing were not fully capable," Toyota employees told Office…
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of Engineering and Technology and Office of Economics and Analytics staff. "Characteristics of 160 MHz devices are different than those of 20 MHz devices and, as a result, have a greater likelihood of causing harmful interference to Dedicated Short Range Communications." Backing DSRC, the carmaker acknowledged some seek access to the band for cellular vehicle-to-everything (C-V2X), with "additional challenges for interference testing." But "existing sharing proposals are DSRC-specific and are not applicable to potential sharing with C-V2X," Toyota added. Don't fragment the band into non-interoperable vehicle-to-vehicle and vehicle-to-infrastructure communication technologies as "interoperability is essential" here, it said, posted Friday to docket 13-49. Some at the FCC and elsewhere want at least part of the band to be used for things like Wi-Fi (see 1906040021).