User`s guide

Appendix C. Glossary
BER Bit Error Rate
BCH Broadcast channel
BLER Block Error Rate – an Agilent-proprietary connection mode. Patent pending.
DUT Device Under Test – typically, a cellular phone or another type of wireless appliance
ETSI A ETSI test mode A for GPRS transmitters
ETSI B ETSI test mode B for GPRS transmitters and receivers
GGSN Gateway GPRS Support Node – provides a gateway between GPRS network and the
public packet data network [internet]; connects to HLR; provides location and
authentication management; counts packets for billing; and stays constant
GMM GPRS Mobility Management
GPRS General Packet Radio Service
GSM Global System for Mobile Communications
GSM L3 Global System for Mobile Communications Layer 3
HTML Heuristic Tag Markup Language
IMSI International Mobile Subscriber Identity
IP Internet Protocol
L1 Layer One – defines the PDCH physical channel; defines logical channels such as
PDTCH and PACCH; and defines coding schemes CS1 to CS4
LAB Laboratory – where research and development work is done
LAN Local Area Network
LLC Logical Link Control – air interface independent; discriminates between data and
control signaling
MAC Medium Access Control – mediates access across multiple mobiles
MS Mobile Station – typically, a cellular phone
PDCH Packet data channel
PDP Packet Data Protocol
RF Radio Frequency
RLC Radio Link Control – performs procedures to transfer data
SGSN Serving GPRS Support Node – controls the connection between network and MS;
manages sessions; manages mobility functions like hand-overs and paging; and
changes as MS roams
SIM Subscriber Identity Module
SM Session Management
SNDCP Subnetwork Dependent Convergence Protocol – multiplexes multiple application
protocols
TBF Temporary Block Flow
USF Uplink State Flag
WAP Wireless Application Protocol
WML Wireless Markup Language
Additional information
Additional information is available on the Web at www.agilent.com/find/8960support
Related Literature
E6701A Lab Application User’s Guide
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