THSZ rövidítések

THSZ rövidítések betűrendben és jelentésük angolul (+ahol nem triviális a fordítás, ott magyarul is). Kigyűjtve kb. minden a 2014-es diasorból, ami a ZH anyaga (12.ea-ig).

• ADPCM - adaptive differential pulse-code modulation
• ADSL - asymmetric digital subscriber line
• AMR(-WB) - adaptive multirate (-wideband)
• ATM - asynchronous transfer mode
• AuC - authentication center
• BORSCHT - Battery feeding, Overvoltage protection, Ringing, Supervision/signaling, Coding/decoding, Hybriding, Testing
• BRA/BRI - basic rate access/interface
• BRAS - broadband remote access server (szélessávú távoli hozzáférési kiszolgáló)
• BSC - base station controller
• BSS - base station subsystem
• BTS - base transceiver station
• CAC - call admission control (hívásbeengedés)
• CATV - community antenna television
• CB - central battery
• CB - citizen band (walky-talky)
• codec - coder-decoder A/D - D/A
• DMT – discrete multitone modulation
• DOCSIS - data over cable service interface specification
• DSLAM - digital subscriber line access multiplexer (digitális előfizetői vonal hozzáférési nyaláboló)
• DTMF - dual tone multifrequency (kéthangú többfrekvenciás jelzésátviteli rendszer)
• DWDM - dense wavelength division multiplexing
• EDGE - enhanced data rate for GSM evolution
• EFR - enhanced full rate
• EIR - equipment identity register
• EMS - enhanced messaging service
• FDD - frequency division duplexing
• FDM - frequency division multiplexing
• FDMA - frequency division multiple access
• FEC - forward error correction (előremenő hibajavítás)
• FN - fiber node
• FR - full rate
• FTTB - fiber to the building
• FTTC/FTTCab - fiber to the curb/cabinet (optikai szál az aknáig/elosztódobozig)
• FTTH - fiber to the home
• GPON - gigabit passive optical network
• GPRS - general packet radio service
• GSM - global system for mobile telecommunication
• HFC - hybrid fiber coax (fényvezető-koax hibrid)
• HLR - home location register (honos helyregiszter)
• HR - half rate
• HSCSD - high speed circuit switched data
• IETF - internet engineering task force
• IMEI - international mobile equipment identity
• IMS - IP multimedia subsystem
• IMSI - international mobile subscriber identity
• IP - internet protocol
• ISDN - integrated services digital network (integrált szolgáltatású digitális hálózat)
• ISP - internet service provider
• ITU - international telecommunication union
• LB - local battery
• ME - mobile equipment
• MIPS - million instructions per second
• MMS - multimedia messaging service
• modem - modulator-demodulator D/A/D/A/D
• MOS - mean opinion score
• MS - mobile station
• MSC - mobile switching center
• MSISDN - mobile station ISDN number
• MSRN - mobile station roaming number
• NSS - network (switching) subsystem
• OFDM - ortogonal frequency division multiplexing
• OLT - optical line termination (optikai vonalvégződés)
• ONT/ONU - optical network termination/unit (optikai hálózatvégződés/hálózati elem)
• PAL - phase alternating line
• PCM - pulse code modulation
• PON - passive optical network
• POTS - post office telephone service -> plain old telephone service
• PRA/PRI - primary rate access/interface
• PSTN - public, switched telephone network
• QAM - quadrature amplitude modulation
• QoS - quality of service (szolgálatminőség)
• QPSK - quadrature phase shift keying
• RTP/RTTP - real-time transport protocol
• SDH - synchronous digital hierarchy
• SDS - space division switching
• SECAM - séquentiel couleur à mémoire
• SHDSL - symmetric high-speed DSL
• SIM - subscriber identity module
• SIP - session initiation protocol
• SMS - short message service
• TDD - time division duplexing
• TDM - time division multiplexing
• TDMA - time division multiple access
• TRAU - transcode/rate adapter unit
• TS - time switching
• UDP - user datagram protocol
• UMTS - universal mobile telecommunications system
• VDSL - very high rate DSL
• VLR - visitor location register
• VoIP - voice over internet protokol
• WAP - wireless application protocol
• WDMA - wavelength division multiple access