UNC – Unlicensed Network Controller
A Unlicensed Network Controller is found with a UMAN (Unlicensed Mobile Access Network). Its function is to connect the existing GSM and GPRS core network, through a broadband IP network, to the Access Point situated in the customer site. As such, it acts in a very similar way to a BSC (Base Station Controller) and PCU (Packet Control Unit) found within GSM and GPRS networks. However, the UNC supports a number of additional UMA (Unlicensed Mobile Access) specific protocols termed URLC (UMA Radio Link Control) and URR ( UMA Radio Resource). Although the title UMA is often still used, the technology is now termed GAN.
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