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11. Acronyms3G: Third-generation cellular technology 3.5G: Three Point Five-generation cellular technology - HSDPA and EVDO 4G: Fourth-generation cellular communication system AAC: Advanced Audio Coding. AAC+: Advanced Audio Coding Plus. ACK: Acknowledgement. AMC: Adaptive Modulation and Coding. AMR: Adaptive Multi Rate: ARQ: Automatic Repeat-reQuest. ASN.1: Abstract Syntax Notation 1. BLER: Block Error Rate. BCMCS: Broadcast and Multicast Services. BTS: Base Transmission Station. CCITT: Comité consultatif international téléphonique et télégraphique in French. International Telegraph and Telephone Consultative Committee CDMA: Code Division Multiple Access. CDMA2000: Code Division Multiple Access 2000. CIF: Common Intermediate Format. CRC: Cyclic Redundancy Code. CSD: Circuit Switched Data CQI: Channel Quality Indicator. DAB: Digital Audio Broadcasting. DCT: Discrete Cosine Transform. diffserv: differentiated service DMB: Digital Multimedia Broadcast. DMIF: Delivery Multimedia Integration Framework. DRM: Digital Rights Management. DMB-T/H: Digital Multimedia Broadcast - Terrestrial/Handheld. DSL: Digital Subscriber Line DTxAA: Double TxAA. DVB-H: Digital Video Broadcasting for Handhelds. DVB-T: Digital Video Broadcasting Terrestrial DVD: Digital Versatile Disc, previously Digital Video Disc. HE-AAC: High-Efficiency Advanced Audio Coding. E-DCH: Enhanced Dedicated Channel. EDGE: Enhanced Data Rates for GSM Evolution ETSI: The European Telecommunications Standards Institute. EVRC: Enhanced Variable Rate CODEC. FDM: Frequency Division Multiplexing. FEC: Forward Error Correction. FTP: File Transfer Protocol specified in IETF RFC 959 - File Transfer Protocol GPRS: General Packet Radio Service GPS: Global Positioning System. GSM: Global System for Mobile Communications. H.245: ITU Recommendation, "Control protocol for multimedia communication" H.261: ITU Recommendation, "Video codec for audiovisual services at p x 64 kbit/s" H.263: ITU Recommendation, "Video coding for low bit rate communication" H.264: ITU Recommendation, "Advanced video coding for generic audiovisual services" Jointly developed with MPEG. H.323: ITU Recommendation, "Packet-based multimedia communications systems" HARQ: Hybrid Automatic Repeat-reQuest. DSCSD: High Speed Circuit Switched Data. HS-DSCH: High-Speed Downlink Shared Channel. HSPA: High Speed Packet Access. HSDPA: High Speed Downlink Packet Access. HSUPA: High Speed Uplink Packet Access. HTTP: Hypertext Transfer Protocol. IEEE: Institute of Electrical and Electronics Engineers. IMS: IP Multimedia System. ISDN: Integrated Service Digital Network. IP: Internet Protocol. IP UTRAN: IP based UMTS Terrestrial Radio Network. ISDB-T: Integrated Services Digital Broadcasting Terrestrial. ITU: International Telecommunication Union. JPEG: Joint Photographic Experts Group. Kbps: Kilobits per second. KHz: Kilohertz. LAN: Local Area Network. LCD: Liquid Crystal Display. LMDS: Local Multipoint Distribution Service MAC: Media Access Control. MAC-hs: MAC-high speed. Mbps: Megabits per second. MBMS: Multicast Broadcast Multimedia Service. MCU: Multipoint Conferencing Unit. MMC: Multi Media Card. MMDS: Multi-channel Multipoint Distribution System MMS: Multimedia Messaging Service MPEG: Moving Picture Experts Group. MJPEG: Motion JPEG. MPLS: Multiprotocol Label Switching MVNO: Mobile Virtual Network Operators NACK: Negative Acknowledgement. Node-B: Node-B is a term used in UMTS to denote the base transceiver station. OFDM: Orthogonal Frequency Division Multiplex. OFDMA: Orthogonal Frequency Division Multiple Access. OMA: Open Mobile Alliance. PARC: Per-Antenna Rate Control. PCMU: Pulse Code Modulation mu law Q.931: ITU Recommendation, "ISDN user-network interface layer 3 specification for basic call control"span style="mso-spacerun: yes"> QPAK: Quadrature Phase Shift Keying. QAM: Quadrature Amplitude Modulation. QCELP: Quadrature Code Excited Linear Prediction QCIF: Quarter Common Intermediate Format. QoS: Quality of Service. QVGA: Quarter Video Graphics Array. RFC: Request For Comments. RNC: Radio Network Controller. ROHC: Robust Header Compression. RTP: Real-time Transport Protocol. RTCP: Rea-time Transport Control Protocol. RTSP: Real Time Streaming Protocol. R-UIM: Removable User Identity Module. SDMA: Spatial Division Multiple Access. S-DMB: Satellite Digital Multimedia Broadcast. SIM: Subscriber Identity Module. SDU: Service Data Unit. SSL: Secure Socket Layer. TCP: Transmission Control Protocol. TDM: Time Division Multiplex. T-DMB: Terrestrial Digital Multimedia Broadcast. TDS-OFDM: Time Domain Synchronous Orthogonal Frequency Division Multiplex. TIA: Telecommunications Industry Association. TLS: Transport Layer Security. UA: User Agent. UDP: User Datagram Protocol. UHF: Ultra High Frequency. UMTS: Universal Mobile Telecommunications System. USB: Universal Serial Bus. USIM: Universal Subscriber Identity Module. UTRAN: UMTS Terrestrial Radio Access Network. VCD: Video CD VHF: Very High Frequency. VOD: Video on Demand. VoIP: Voice over IP. WCDMA: WIFI: Wireless Fidelity. |
