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U.S. Department of
Transportation
Research and Innovative
Technology Administration
Different Ways of Providing Communications: Other Tech
•WiMax – Wide
area system; Quickly becoming eclipsed by other
technologies, such as LTE
•Satellite Digital Audio
Radio Service (SDARS) – Very Wide Area
(National). Broadcast only
•HD
Radio –
Wide area system; moderate data rate, very low cost. Broadcast only and
infrastructure-based
Other Technologies
Technical Review
![C:\Users\554760\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\VQW04RBE\MC900434857[1].png](slide0287_image072.gif)
![C:\Users\554760\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TQZZZKDP\MC910217005[1].png](slide0287_image074.gif)