The following abbreviations are used in this paper. Abbreviations are defined on first use. 1G – First Generation
1xEV-DO – One Carrier Evolved, Data Optimized 1xEV-DV – One Carrier Evolved, Data Voice
1XRTT – One Carrier Radio Transmission Technology 2G – Second Generation
3G – Third Generation
3GPP – Third Generation Partnership Project 3GPP2 – Third Generation Partnership Project 2
4G – Fourth Generation (meeting requirements set forth by the ITU IMT-Advanced project) 8-PSK – Octagonal Phase Shift Keying
AAS – Adaptive Antenna Systems ABR – Allocation Retention Priority AGW – Access Gateway
AMR – Adaptive Multi Rate
AMR-WB – Adaptive Multi-Rate Wideband
ANDSF – Access Network Discovery and Selection Function. ANSI – American National Standards Institute
APCO – Association of Public Safety Officials ARP – Allocation Retention Priority
ARPU – Average Revenue Per User ARQ – Automatic Repeat Request ATM – Asynchronous Transfer Mode
AWGN – Additive White Gaussian Noise Channel AWS – Advanced Wireless Services
BCCH – Broadcast Control Channel bps – bits per second
BRS – Broadband Radio Service BSC – Base Station Controller BTS – Base Transceiver Station
C/I – Carrier to Intermodulation Ratio CAPEX- Capital Expenditure
CBF – Coordinated Beam Forming CBS – Coordinated Beam Switching CSS3 – Cascading Style Sheets 3 (CSS3) CDD – Cyclic Delay Diversity
CDF – Cumulative Distribution Function CDMA – Code Division Multiple Access CL – Closed Loop
CL-SM – Closed Loop Spatial Multiplexing CMAS – Commercial Mobile Alert System
CMOS – Complementary Metal Oxide Semiconductor CoMP – Coordinated Multipoint Transmission
CP – Cyclic Prefix
CPC – Continuous Packet Connectivity CPRI – Common Public Radio Interface CRM – Customer Relationship Management CS – Convergence Sublayer
CSFB – Circuit-Switched Fallback
CTIA – Cellular Telephone Industries Association DAS – Downlink EGPRS2-A Level Scheme
dB – Decibel
DBS – Downlink EGPRS2-B Level Scheme DC-HSPA – Dual Carrier HSPA
DFT – Discrete Fourier Transform DL – Downlink
DPCCH – Dedicated Physical Control Channel DPS – Dynamic Point Selection
DSL – Digital Subscriber Line DSMIPv6 – Dual Stack Mobile IPv6 DTM – Dual Transfer Mode
D-TxAA – Double Transmit Adaptive Array DVB-H – Digital Video Broadcasting Handheld E–DCH – Enhanced Dedicated Channel
EBCMCS – Enhanced Broadcast Multicast Services EDGE – Enhanced Data Rates for GSM Evolution EGPRS – Enhanced General Packet Radio Service eICIC – Enhanced Inter-Cell Interference Coordination eNodeB – Evolved Node B
EPC – Evolved Packet Core
ePDG – Enhanced Packet Data Gateway EPS – Evolved Packet System
ERP – Enterprise Resource Planning
ETRI – Electronic and Telecommunications Research Institute ETSI – European Telecommunications Standards Institute E-UTRAN – Enhanced UMTS Terrestrial Radio Access Network FE-FACH – Further Enhanced Forward Access Channel
EV-DO – One Carrier Evolved, Data Optimized EV-DV – One Carrier Evolved, Data Voice EVRC – Enhanced Variable Rate Codec FCC – Federal Communications Commission FDD – Frequency Division Duplex
feICIC – Further enhanced ICIC
Flash OFDM – Fast Low-Latency Access with Seamless Handoff OFDM FLO – Forward Link Only
FMC – Fixed Mobile Convergence FP7 – Seventh Framework Programme FTP – File Transfer Protocol
GAN – Generic Access Network Gbps – Gigabits Per Second GBR – Guaranteed Bit Rate GByte – Gigabyte
GERAN – GSM EDGE Radio Access Network GGSN – Gateway GPRS Support Node GHz — Gigahertz
GMSK – Gaussian Minimum Shift Keying GPRS – General Packet Radio Service G-Rake – Generalized Rake Receiver
GSM – Global System for Mobile Communications GSMA – GSM Association
HARQ – Hybrid Automatic Repeat Request HD – High Definition
Het-net – heterogeneous network HLR – Home Location Register Hr – Hour
HSDPA – High Speed Downlink Packet Access HS-FACH – High Speed Forward Access Channel
HS-RACH – High Speed Reverse Access Channel
HSPA – High Speed Packet Access (HSDPA with HSUPA) HSPA+ – HSPA Evolution
HSUPA – High Speed Uplink Packet Access Hz – Hertz
ICIC – Inter-Cell Interference Coordination ICS – IMS Centralized Services
ICT – Information and Communication Technologies IEEE – Institute of Electrical and Electronic Engineers IETF – Internet Engineering Taskforce
IFFT – Inverse Fast Fourier Transform IFOM – IP Flow and Seamless Offload IM – Instant Messaging
IMS – IP Multimedia Subsystem
IMT – International Mobile Telecommunications
IMT-Advanced - International Mobile Telecommunications-Advanced IPR - Intellectual Property Rights
IP – Internet Protocol
IPTV – Internet Protocol Television IR – Incremental Redundancy ISI – Intersymbol Interference ISP – Internet Service Provider
ITU – International Telecommunications Union JCP – Java Community Process
JR – Joint Reception JT – Joint Transmission kbps – Kilobits Per Second kHz — Kilohertz
km – Kilometer LIPA – Local IP Access LTE – Long Term Evolution
LTE-TDD – LTE Time Division Duplex LSTI – LTE/SAE Trial Initiative M2M – Machine-to-machine MAC – Medium Access Control
MBMS - Multimedia Broadcast/Multicast Service Mbps – Megabits Per Second
MBR – Maximum Bit Rate
MBSFN – Multicast/broadcast, Single Frequency MCPA – Mobile Consumer Application Platform
Mcps – Megachips Per Second
MCS – Modulation and Coding Scheme MCW – Multiple Codeword
MEAP – Mobile Enterprise Application Platforms MediaFLO – Media Forward Link Only
MHz – Megahertz
MID – Mobile Internet Devices
MIMO – Multiple Input Multiple Output MMSE – Minimum Mean Square Error mITF – Japan Mobile IT Forum
MMDS – Multichannel Multipoint Distribution Service MME – Mobile Management Entity
MRxD – Mobile Receive Diversity MS – Mobile Station
MSA – Mobile Service Architecture MSC – Mobile Switching Center msec – millisecond
MU-MIMO – Multi-User MIMO
NENA – National Emergency Number Association NGMC – Next Generation Mobile Committee
NGMN – Next Generation Mobile Networks Alliance OFDM – Orthogonal Frequency Division Multiplexing OFDMA – Orthogonal Frequency Division Multiple Access OL-SM – Open Loop Spatial Multiplexing
OMA – Open Mobile Alliance PAR – Peak to Average Ratio
PBCCH – Packet Broadcast Control Channel PCH – Paging Channel
PCRF – Policy Control and Charging Rules Function PCS – Personal Communications Service
PDN – Packet Data Network PHY – Physical Layer
PMI – Precoding Matrix Indication PMIPv6 – Proxy Mobile IPv6 PoC – Push-to-talk over Cellular PSH – Packet Switched Handover PSK – Phase-Shift Keying
QAM – Quadrature Amplitude Modulation QCI – Quality of Service Class Identifier QLIC – Quasi-Linear Interference Cancellation
QoS – Quality of Service
QPSK – Quadrature Phase Shift Keying RAB – Radio Access Bearer
RAN – Radio Access Network RCS – Rich Communications Suite REST – Representational State Transfer RF – Radio Frequency
RNC – Radio Network Controller ROHC – Robust Header Compression RRC – Radio Resource Control RRU – Remote Radio Unit
RTP – Real Time Transport Protocol RTSP – Real Time Streaming Protocol SAE – System Architecture Evolution SaMOG – S2a-based Mobility over GTP
SC-FDMA – Single Carrier Frequency Division Multiple Access SCRI – Signaling Connection Release Indication
SCW – Single Codeword
SDMA – Space Division Multiple Access SDP – Session Description Protocol sec – Second
SFBA – Space Frequency Block Code SGSN – Serving GPRS Support Node SIC – Successive Interference Cancellation SIM – Subscriber Identity Module
SIMO – Single Input Multiple Output
SINR – Signal to Interference Plus Noise Ration SIP – Session Initiation Protocol
SIPTO – Selected IP Traffic Offload SISO – Single Input Single Output SMS – Short Message Service SNR – Signal to Noise Ratio SoN – Self Optimizing Network SPS – Semi-Persistent Scheduling
SR-VCC – Single Radio Voice Call Continuity SU-MIMO – Single User MIMO
SVDO – Simultaneous 1XRTT Voice and EVDO Data SVLTE – Simultaneous Voice and LTE
TCP/IP – Transmission Control Protocol/IP TD – Transmit Diversity
TDD – Time Division Duplex
TDMA – Time Division Multiple Access
TD-SCDMA – Time Division Synchronous Code Division Multiple Access TD-CDMA – Time Division Code Division Multiple Access
TIA/EIA – Telecommunications Industry Association/Electronics Industry Association TISPAN – Telecoms and Internet converged Services and Protocols for Advanced Networks TTI – Transmission Time Interval
UAS – Uplink EGPRS2-A Level Scheme UBS – Uplink EGPRS2-B Level Scheme UE – User Equipment
UICC – Universal Integrated Circuit Card UL – Uplink
UMA – Unlicensed Mobile Access UMB – Ultra Mobile Broadband
UMTS – Universal Mobile Telecommunications System URA-PCH – UTRAN Registration Area Paging Channel
s – Microseconds USIM – UICC SIM
UTRAN – UMTS Terrestrial Radio Access Network VDSL – Very High Speed DSL
VoIP – Voice over Internet Protocol VOLGA – Voice over LTE Generic Access VoLTE – Voice over LTE
VPN – Virtual Private Network WAP – Wireless Application Protocol WBA – Wireless Broadband Alliance
WCDMA – Wideband Code Division Multiple Access WCA – Wireless Communication Service
Wi-Fi – Wireless Fidelity
WiMAX – Worldwide Interoperability for Microwave Access WLAN – Wireless Local Area Network
WMAN – Wireless Metropolitan Area Network
WRC-07 – World Radiocommunication Conference 2007