NextNav Study Addresses Tolling Industry's Concerns
Operators of tolling systems won't be affected by NextNav's proposal to reconfigure the 902-928 MHz band to allow a “terrestrial complement” to GPS for positioning, navigation and timing services, according to a study that the company filed at the FCC. It supplements a Brattle Group report that NextNav filed previously (see 2507180034).
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“The Tolling Coexistence Study provides additional data and analysis supporting coexistence, in contrast to recent filings by the E-ZPass Group and the International Bridge, Tunnel & Turnpike Association, which have repeatedly advanced inaccurate or misleading technical and economic ‘sticker shock’ claims without providing technical evidence or analysis to support their sky-is-falling assertions,” said a filing posted Monday in docket 25-110. No effect from 5G downlink operations was seen, “even under conservative tolling and 5G operational assumptions.”
In a simulation of 133 tolling sites in Northern Virginia, California and Texas, “not one location was shown to exceed the measured impact thresholds,” NextNav said. “Uplink interference was also negligible: using the worst performing reader/transponder measurement, the probabilities of potential impact from 5G were predicted to be just 0.0002% for the toll reader and 0.002% for the toll transponder, respectively.”