Glossary Archive - Mpirical

µ-law - µ-law (mu-law)

A companding technique used in North American telecommunication systems during the process of analogue to digital conversion. ... View more

16QAM - 16 Quadrature Amplitude Modulation

This is a modulation technique in which the carrier can exist in one of sixteen different states. As such, each state can represent four bits - 0000 t... View more

2.5G

The requirement for mobile data services, fuelled by the growth of the Internet, was the driver for the development of enhanced data services known as... View more

3PTY - 3 Party

3 Party is a telecommunications supplementary service which enables a user who is active on a call to hold that call, make an additional call to a thi... View more

5G-AN - 5G Access Network

The 5G Access Network (3GPP) identifies an access network, either the 5G-RAN and/or non-3GPP access network, that connects to the 5G Core Network.... View more

5GC - 5G Core Network

The 5G Core (3GPP) includes various functions: AUSF (Authentication Server Function), AMF (Core Access and Mobility Management Function), DN (Data Net... View more

5G-GUTI - 5G Globally Unique Temporary Identity

The 5G-GUTI is used in 5G as a means to keep the subscriber's IMSI confidential. At the time of network registration, the AMF (Core Access and Mobilit... View more

5G HE AV - 5G Home Environment Authentication Vector

This is a type of authentication vector(s) that is received by the AUSF from the UDM/ARPF. The 5G HE AV has the following fields: RAND, AUTN, XRES*, a... View more

5G NAS - 5G Non Access Stratum

The 5G NAS (Non-Access Stratum) includes procedures related to 5GMM (5GS Mobility Management) and 5GSM (5GS Session Management) on the 5GS (5G system)... View more

5QI - 5G QoS Indicator

The 5G QoS Indicator is used in 3GPP to identify a specific QoS forwarding behaviour for a 5G QoS Flow (similar to the QCI value used for LTE). As suc... View more

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