Abbreviation Index

A
ADSL: Asymmetric Digital Subscriber Line
AC: Alternating Current
ALG: Application Layer Gateway
ALM: Application Layer Multicast
AMR: Adaptive Multi Rate
AOD: Advertisement on Demand
AP: Access Point
API: Application Programming Interfaces
ARPU: Average Revenue Per User
AVC: Advanced Video Coding
AVS: Audio Video Coding Standard

B
BRAS: Broadband Remote Access Server
BSS: Basic Service Set
BSSID: BSS id
BT: Bit Torrent

C
CAN: Content Addressable Network
CATV: Cable Television
CAVLC: Context Adaptive Variable Length Coding
CCSA: China Communications Standards Association
CCTV: China Central Television
CDMA: Code Division Multiple Access
CDN: Content Delivery Network
CN: Cognitive Network
CN: Core Network
CNI: Core Network Interface
CP: Content Provider
CPE: Customer Premier Equipment
CSMA/CA: Carrier Sense Multiple Access/Collision Avoidance

D
DARPA: Defense Advanced Research Projects Agency
DAS: Direct Attached Storage
DC: Direct Current
DCT: Discrete Cosine Transform
DFS: Dynamic Frequency Selection
DHCP: Dynamic Host Control Protocol
DHT: Distributed Hash Table
DLNA: Digital Living Network Alliance
DPCM: Differential Pulse Code Modulation
DRM: Digital Rights Management
DSL: Digital Subscriber Line
DSLAM: Digital Subscriber Line Access Multiplexer
DySPAN: Dynamic Spectrum Access Networks

E
EC: European Communities
EPG: Electrical Program Guide
ESM: End System Multicast
ESS: Extended Service Set
ESSID: ESS id

F
FCC: Federal Communications Commission
FDM: Frequency Division Multiplexing
FER: Frame Error Rate

G
GEPON: Gigabit Ethernet Passive Optical Network
GPON: Gigabit Passive Optical Network
GPS: Global Positioning System

H
HDTV: High Definition Television
HFC: Hybrid Fiber/Coaxial
HTML: Hypertext Markup Language
HTTP: Hypertext Transfer Protocol

I
IA: Information Appliances
IBSS: Independent Basic Service Set
ICT: Integer Cosine Transform
IDC: Internet Data Center
IGMP: Internet Group Management Protocol
IGRS: Intelligent Grouping and Resource Sharing
ISMA: Internet Streaming Media Alliance
ISP: Internet Service Provider
IVR: Interactive Voice Response

K
KQML: Knowledge Query and Manipulation Language

L
LAN: Local Area Network

M
MAC: Media Access Control
MAM: Media Asset Management
MAN: Metropolitan Area Network
MBGP: Multi-protocol Border Gateway Protocol
MHP: Multimedia Home Platform
MIME: Multipurpose Internet Mail Extension
MIB: Management Information Base
MII: Ministry of Information Industry
MLD: Multicast Listener Discovery
MTG: Multicast Transition Gateway
MS: Mobile Station

N
NAS: Network Attached Storage
NAT: Network Address Translation
NAT-PT: Network Address Translation-Protocol Translation
NDRC: National Development and Reform Commission
NGN: Next Generation Network
NLOS: Non-line of Sight
NPRM: Notice of Proposed Rulemaking
NVOD: Near Video on Demand

O
OMA: Open Mobile Alliance

P
P-MP: Point-to-multipoint
PC: Personal Computer
PHS: Personal Handyphone System
PHY: Physical Layer
PIM: Protocol Independent Multicast
PMD: Physical Medium Dependent
PON: Passive Optical Network
POP: Point of Presence
PSNR: Peak Signal-to-noise Ratio
PSTN: Public Switched Telephone Network
PU: Primary User

Q
QoS: Quality of Service

R
RF: Radio Frequency
RKRL: Radio Knowledge Representation Language
RP: Rendezvous Point
RPF: Reverse Path Forwarding
RRC: Radio Resource Control
RSVP: Resource Reservation Protocol
RTP: Real-time Transport Protocol
RTSP: Real Time Streaming Protocol

S
SAN: Storage Area Network
SAP: Session Announcement Protocol

SARFT: State Administration of Radio, Film and Television
SDR: Session Description Protocol
SDR: Software Defined Radio
SDTV: Standard-definition Television
SIP: Session Initiation Protocol
SMG: Shanghai Media Group
SMS: Short Message Service
SMTP: Simple Mail Transfer Protocol
SNMP: Simple Network Management Protocol
SNR: Signal-to-noise Ratio
SOAP: Simple Object Access Protocol
SP: Service Provider
SPTF: Spectrum Policy Task Force
SSM: Source Specific Multicast
STA: Station
STB: Set-top Box

T
TCP/IP: Transmission Control Protocol/Internet Protocol
TDD: Time Division Duplex
ToS: Type of Service
TPC: Transmit Power Control
TS: Transport Stream
TTL: Time to Live
TVOD: TV on Demand

U
UE: User End
UN: User Network
UNI: User Network Interface
UPnP: Universal Plug and Play
URL: Uniform Resource Locator
UTRAN: UMTS Terrestrial Radio Access Network

V
VAS: Value-added Service
VC: Venture Capital
VCR: Video Cassette Recorder
VOD: Video on Demand
VPN: Virtual Private Network
VRVS: Virtual Rooms Videoconferencing System

W
WDM: Wavelength Division Multiplexing
WLAN: Wireless Local Area Network

X
XG: Next-generation