GLMS - Group List Management ServerAn IMS Application Server responsible for managing and storing the group lists associated with social presence. Each subscriber will have a group list... View more
GLR - Gateway Location RegisterThe GLR (Gateway Location Register) is a node between the VLR (visitor Location Register) and/or SGSN (Serving GPRS Support Node) and the HLR (Home Lo... View more
GMDSS - Global Maritime Distress and Safety SystemGMDSS was developed as part of the Safety of Life at Sea convention. GMDSS covers the globe using four defined sea areas, and in conjunction with shor... View more
GMLC - Gateway Mobile Location CentreGMLC - Gateway Mobile Location Centre The Gateway Mobile Location Centre contains functionality required to support LCS (LoCation Services). In one PL... View more
GMM - GPRS Mobility ManagementGPRS MM is a sublayer of the Layer 3 connectivity between the mobile and the GPRS core network, providing services which support the mobility of user ... View more
GMPLS - General Multiprotocol Label SwitchingGeneral Multi Protocol Label Switching is applied to MPLS signalling that is used not only to support packet based paths but other technologies such a... View more
GMSC - Gateway Mobile Switching CentreA Gateway Mobile Switching Centre provides an edge function within a PLMN (Public Land Mobile Network). It terminates the PSTN (Public Switched Teleph... View more
GMSK - Gaussian Minimum Shift KeyingGaussian Minimum Shift Keying is the modulation technique used in GSM networks. It employs a form of FSK (Frequency Shift Keying). GMSK was chosen bec... View more
Gn InterfaceThe Gn interface is a GPRS interface which is located between the GSN (GPRS Support Nodes). ... View more
gNB - Next Generation Node BThe gNB is a 3GPP 5G Next Generation base station which supports the 5G New Radio. ... View more
GOEP - Generic Object Exchange ProfileIn the Bluetooth system, the Generic Object Exchange Profile defines the set of procedures and messages to be used by applications handling object exc... View more
Gold CodesGold codes were developed by Robert Gold. These codes possess pseudo random properties ensuring both favourable auto and cross correlation characteris... View more
Good MessageA received message is declared a good message if it is received with a correct CRC (Cyclic Redundancy Code). ... View more
GOS - Grade of ServiceGrade of Service defines the quality of a telephone service in terms of a user receiving a network busy signal. ... View more
GP - Guard PeriodIn LTE , the radio frame structure type 2 is used for TDD operation and consists of two half-frames with a duration of 5ms each and containing each 8 ... View more
Gp InterfaceWhen the GGSN (Gateway GPRS Support Node) and the SGSN (Serving GPRS Support Node) are located in different networks, they may be interconnected via t... View more
GPRS - General Packet Radio ServiceGPRS is defined by 3GPP ( Third Generation Partnership Project) and is employed to connect mobile cellular users to PDN (Public Data Network). Within ... View more
GPRS-CSI - GPRS-CAMEL Subscription InformationThe inclusion of GPRS-CSI in the HLR is an indication that the user has subscribed to GPRS CAMEL Services. It includes: gsmSCF Address - this is the i... View more
gprsSSF - GPRS Service Switching FunctionThe SSF and SCF functions within GSM are termed the gsmSSF and gsmSCF. These are interconnected by CAP (CAMEL Application Part) interfaces which in tu... View more
GPS - Global Positioning SystemGlobal Positioning System comprises of multiple satellites all of which orbit the earth twice a day. Users with a GPS receiver use timing information ... View more