Abkuerzungen in den Mobilfunk-Vorlesungen
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IrDA: Infrared Data Association
WLAN: Wireless LAN 
GSM: Global System for Mobile Communications
QoS: Quality of Service
SIM: Subsrriber Identification Module
USIM: UMTS Subscriber Identification Module
MS: Mobile Station
BTS: Base Transceiver Station
NodeB: keine Bedeutung (= BTS für UMTS)
BSC: Base Station Controller
RNC: Radio Network Controller
MSC: Mobile Switching Center
UMSC: UMTS Mobile Switching Center
G-MSC (Gateway MSC)
HLR: Home Location Register
VLR: Visitor Location Register
PSTN: Public Switched Telephone Network (Festnetz)
ISDN: Integrated Servies Digital Network
PLMN: Public Land Mobile Network (Handynetz)
FD/TDMA: Frequency Division-Time Division Multiple Access
CS: circuit switched
PS: pached switched

DECT: Digital Enhanced Cordless Telecommunications

2G/3G: 2./3. Generation der Mobilfunktechnik

HSCSD: High Speed Circuit Switched Data
GPRS: General Packet Radio Service
SGSN: Serving GPRS Support Node
GGSN: Gateway GPRS Sopport Node
EDGE: Enhanced Data Rates for GSM Evolution

IMT-2000: International Mobile Telecommunications at 2000 Mhz)
UMTS: Universal Mobile Telecommunication System
TDD: Time Division Duplex
FDD: Frequency Division Duplex
WCDMA: Wideband Code Division Multiple Access
TD-CDMA: Time Divison-Code Division Multiple Access
SDMA: Space Divsion Multiple Access
RAN: Radio Access Network (= BSS = Base Station Subsystem in GSM)
GERAN: GSM Enhanced Radio Access Network
UTRAN: UMTS Terrestrial Radio Access Network
CSx: Coding Scheme x (x = 1 .. 4)
VoIP: Voice over IP
SIP: Session Initiation Protocol
DVB-H: Digital Video Broadcasting-Handheld

VHE: Virtual Home Environment
LBS: Location Based Services