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Femtocell
Femtocells are tiny, low power radio systems that plug into a residential broadband connection to provide a mobile phone signal directly in the home.
Picocell
Picocells are miniature cellular basestations that boost capacity and provide improved mobile phone coverage in localised areas. Applications include inside buildings, airports or underground train stations where coverage is poor; in shopping centres or high-rise buildings where there is a high concentration of users; in difficult to reach rural locations where it is uneconomical to deploy other solutions; or in airplanes and ships where size and weight is at a premium.

Acronyms

AC Access Controller
ACL Access Control List
AMR Adaptive Multi-Rate (an audio data compression scheme optimized for speech coding)
ANAT Access Network Address Translation
AP Access Point
ARPU Average Revenue Per User
AuC Authentication Centre
BCCH Broadcast Control Channel
BHCA Busy Hour Call Attempts
BHLU Busy Hour Location Updates
BMC Broadcast & Multicast Control
BSC Base Station Controller
BSS Base Station Subsystem
BSSMAP Base Station System Management Application Part
BTS Base Transceiver Station
CPE Customer Premises Equipment
CPICH Common Pilot Channel
CS1 Control Signal 1
DAS Distributed Antenna System
DECT Digital Enhanced Cordless Telecommunications
DPC Dynamic Power Control
EDGE Enhanced Data rates for GSM Evolution
E-GPRS Enhanced GPRS
EIR Equipment Identity Register
Erl Erlang (a measure of voice telephony usage)
FMC Fixed Mobile Convergence (normally implying dual-mode cellular / WiFi handsets)
GGSN Gateway GPRS Support Node
GMSK Gaussian Minimum Shift Keying
GNAT GPRS Network Address Translation
GoS Grade of Service
GPRS General Packet Radio Service
GSM Global System for Mobile communications
HLR Home Location Register
HSPA High-Speed Packet Access
HSDPA High-Speed Downlink Packet Access
HSUPA High-Speed Uplink Packet Access
IMS IP Multimedia Subsystem
IMSI International Mobile Subscriber Identity
IOT Interoperability Testing
IP Internet Protocol
IPTV Internet Protocol Television
ISP Internet Service Provider
KPI Key Performance Indicators
LAC Location Area Code
LBS Location Based Services
M2UA A protocol for transporting SS7 MTP2-User signalling
MAC address Medium Access Control address (a quasi-unique identifier attached to most network adapters)
MCC Mobile Country Code
MCS1-9 Multiplexer Control Signals - GPRS channel coding schemes
MD5 Message Digest 5
MMS Multimedia Messaging Service
MNC Mobile Network Code
MSC Mobile Switching Centre
MTP3 Message Transfer Part 3
MTSO Mobile Telephone Switching Office
NBAP Node-B Application Part
NOC Network Operations Center
NSEI Network Service Entity Identifier
NTP Network Time Protocol
OAM Operations & Maintenance
OEM Original Equipment Manufacturer
OMC-R Operations Management Centre - Radio
OML Operations & Maintenance Link
PBX Private Branch eXchange
PCB Printed Circuit Board
P-CSCF Proxy Call Session Control Function (part of IMS network)
PDCH Packet Data Channel
PDCP Packet Data Convergence Protocol
PMA Provisioning & Management Automation
PoC Push-to-talk over Cellular (an IMS service)
PoE Power over Ethernet
PPPoA Point-to-Point Protocol over ATM
PPPoE Point-to-Point Protocol over Ethernet
PS Packet Switched
PSK Phase-Shift Keying
PSTN Public Switched Telephone Network
QoS Quality of Service
RACH Random Access Channel
RAN Radio Access Network
RF Radio Frequency
RLC Radio Link Control
RNC Radio Network Controller
RRC Radio Resource Control
RSCP Received Signal Code Power
RSL Radio Signalling Link
RTP Real-Time (Transport) Protocol
RTCP RTP Control Protocol
Rx Reception / receiver
Rxlev Receive signal level
SCCP Signalling Connection and Control Part
S-CSCF Serving Call Session Control Function
SCTP Stream Control Transmission Protocol
SDCCH Standalone Dedicated Control Channel
SDSL Symmetric Digital Subscriber Line
SGSN Serving GPRS Support Node
SHA1 Secure Hash Algorithm Version 1.0
SIG Secure Internet Gateway
SIP Session Initiation Protocol
SMS Short Message Service
SR System Release
SRTP Secure RTP
SSL Secure Sockets Layer
TIB Timing Interface Bus
TRAU Transcoder and Rate Adaptation Unit
TRX Transceiver
Tx Transmission / transmitter
UARFCN UTRA Absolute Radio Frequency Channel Number
UDP User Datagram Protocol
UE User Equipment (normally a mobile phone)
UMTS Universal Mobile Telecommunications System
UTRAN UMTS Terrestrial Radio Access Network
VLR Visitor Location Register
VoD Video on Demand
VoIP Voice over Internet Protocol
VPN Virtual Private Network
WAP Wireless Application Protocol
W-CDMA Wideband Code Division Multiple Access
WiMAX Worldwide Interoperability for Microwave Access

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