Radio Access Technology
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Radio Access Technology

A Radio Access Technology or (RAT) is the underlying physical connection method for a radio based communication network. Many modern phones support several RATs in one device such as Bluetooth, Wi-Fi, and 3G, 4G or LTE.

The term RAT was traditionally used in mobile communication network interoperability, for example, in Virtej et al.,[1] or in the example provided on the Wiki page for Radio access network.

More recently, the term RAT is used in discussions of heterogeneous wireless networks. The term is used when a user device selects between the type of RAT being used to connect to the Internet. This is often performed similar to access point selection in IEEE 802.11 (Wi-Fi) based networks.[2]


  1. ^ I. Virtej; S. Hamiti; T.A. Rantalainen; J. Parantainen; G. Sebire; E. Nikula (November 2001). "Radio resource control for GSM/EDGE Radio Access Network (GERAN)-inter radio access technology and inter-mode procedures". 54th IEEE Vehicular Technology Conference - Proceedings. Archived from the original (PDF) on 7 October 2013. Retrieved .
  2. ^ Melhem El Helou; Samer Lahoud; Marc Ibrahim; Kinda Khawam (April 2013). "A Hybrid Approach for Radio Access Technology Selection in Heterogeneous Wireless Networks". 19th European Wireless Conference -Proceedings. Archived from the original (PDF) on 7 October 2003. Retrieved .

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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