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3GPP Glossaries

 

 

Network entities

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NAF     # NodeB     # NPDB    

 

NAF  —  Network  Application  Function

[GBA  R6]+

A generic Bootstrapping Server Function (BSF) and the UE shall mutually authenticate using the AKA protocol, and agree on session keys that are afterwards applied between UE and a Network Application Function (NAF). After the bootstrapping has been completed, the UE and a NAF can run some application specific protocol where the authentication of messages will be based on those session keys generated during the mutual authentication between UE and BSF.

Source:   TS 33.220, clause 4.2.2

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NodeB  —  Node  B

[UTRAN  R3]+

A Node B is a logical network component which serves one or more UTRAN cells.

Source:   TS 23.002, clause 4.2.3.1

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NPDB  —  Number  Portability  DataBase

[IN  R3]+

The Number Portability Database (NPDB) is the central element of the IN based solution for Mobile Number Portability (MNP). MNP is the ability for a mobile subscriber to change the GSM subscription network within a portability cluster (e.g. a country) whilst retaining his/her original MSISDN or MSISDNs.

The NPDB stores the table of correspondence between MSISDNs and Subscription networks. Upon request of the (gateway or visited) MSC, the NPDB retrieves from the MSISDN the Routing Number pointing out the Subscription network.

Source:   TS 23.002, clause 4a.6.1

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