Filter
Top Products
Copyright 2002 Agilent Technologies. 10001810-E6701A Tutorial LAN Connection
All Rights Reserved.
Page 32 of 32 Rev. 1.2; Feb. 14, 2002
Appendix C. Glossary
BER Bit Error Rate
BLER Block Error Rate (Agilent proprietary connection mode – patent applied for)
DUT Device Under Test (typically, a cellular phone or wireless appliance)
GGSN Gateway GPRS Support Node. Provides gateway between GPRS network and 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 Layer 3
HTML HyperText Markup Language
IMSI International Mobile Subscriber Identity
IP Internet Protocol
L1 Layer One (defines 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 signalling)
MAC Medium Access Control (mediates access across multiple mobiles)
MS Mobile Station (typically, a cellular phone)
PDP Packet Data Protocol
RF Radio Frequency
RLC Radio Link Control (performs procedures to transfer data)
SGSN Serving GPRS Support Node (controls connection between network and MS; manages sessions;
manages mobility functions like handovers 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