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VI. GLOSSARIY
Termin
O„zbek tilidagi sharhi
Ingliz tilidagi sharhi
ATM
Asinxron uzatishrejimi
Asynchronous Transfer Mode
WDM
To‗lqin uzunligi bo‗yicha ajratishga
ega bo‗lgan yuqori zichlashtiruvchi
multipleksorlash
Dense Wavelength Division
Multiplexing
DWDM
To‗lqin uzunligi bo‗yicha ajratishga
ega bo‗lgan zich multipleksorlash;
Dense wavelength division multiplexing
CWDM
Qo‗pol
zichlashtirilgan
WDM
(kanalar orasidagi masofa 20 nm).
CoarseWavelengthDivisionMultiplexing
HDSL
Tezligi 2048 kbit/s dupleks aloqani
taminlaydi;
High – bit – roto Digital Subscriber
Loop
SDSL
Yuqori chastotali raqamli abonent
liniyalari qurilmasi.
Singl Pair Symmetrical Digital
Subscriber Loop
ADSL
Tezligi 2048 kbit/s dupleks aloqani
taminlaydi;
Assymetric Digital Subscriber Loop
VDSL
Yangi qurilma-hisoblanib kelgusida
aloqa
tarmoqlarida
qo‗llashga
asoslangan
Very High lit rate Digital Subscriber
Loop
PON
Abonent
liniyalarini
qurishga
mo‗ljallangan
passiv
optik
tarmoqlar
Pasive Optic Network
WAN
Global tarmoq
Wide Area Network
NGN
Keyingi avlod tarmog‗i
Next Generation Network
MPLS
Sonlar bo‗yicha multiprotokolli
kommutatsiyalash
Multi Protocol Label Switching
ITU ITU -Т
Xalqaro Telekommunikatsiya ittifoqi
– standartlashtirish sektori
Xalqaro
Telekommunikatsiya ittifoqi -
International Telecommunication Union
Telecommunication Standardization
ISDN
Integral xizmatli raqamli tarmoq
Integrated Services Digital Network
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LAN
Lokal (hisoblash) tarmoq LHT yoki
LT
Local Area Network
NMS
Tarmoqni boshqarish tizimi/
tarmoqni ma‘muriy boshqarish tizimi
Network Management System
IMS
IP multimediatizimosti - IP
multimedia xizmatlarini tashish
uchun arxitekturali freymvorkdir.
The IP Multimedia Subsystem (IMS) is
an architectural framework for
delivering IP multimedia services.
Convergence
network
Turli mavjud tarmoqlarni (simli,
simsiz va optik) birlashtirish orqali
yaratiladigan tarmoqqa aytiladi.
Convergence means using a common
cabling and switching infrastructure to
replace what are now disparate server
and storage networks.
GSM
Yevropa telekommunikatsiya
standartlar universiteti tomonidan
yaratilgan mobil aloqalari uchun
global tizim.
GSM is a standard developed by the
European Telecommunications
Standards Institute (ETSI) to describe
the protocols for second-generation
(2G) digital cellular networks used by
mobile phones,
3GPP
3-avlod hamkor loyihasi -
telekommunikatsiya birlashmalari
guruhlari o‗rtasidagi hamkorlik
loyihasi.
The 3rd Generation Partnership Project
(3GPP) is a collaboration between
groups of telecommunications
associations, known as the
Organizational Partners.
ETSI
Yevropa telekommunikatsiya
standartlar universiteti -
telekommunikatsiyada
standartlashtirish tashkiloti bo‗lib, u
mustaqil hamda foyda ko‗rish
maqsadida faoliyat ko‗rsatmaydi.
The European Telecommunications
Standards Institute (ETSI) is an
independent, not-for-profit,
standardization organization in the
telecommunications industry
(equipment makers and network
operators) in Europe, headquartered in
Sophia-Antipolis, France, with
worldwide projection.
GPRS
Umumiy paket radio xizmati - 2G va
3G aloqa tizimlarida paket asosidagi
radio aloqa xizmatlari bilan
ta‘minlaydi.
General Packet Radio Service is a
packet oriented mobile data service on
the 2G and 3G cellular communication
system's global system for mobile
communications (GSM).
CDMA
2G va 3G aloqa tizimlarida
foydalanilayotgan bir qancha
protokollarni nazarda tutadi va bu
tizimda kanallar kod bo‗yicha
ajratiladi.
Code-division multiple access refers to
any of several protocols used in 2G and
3G communications. It allows numerous
signals to occupy a single transmission
channel, optimising the availability of
bandwidth.
TD-CDМА
Kanallarni kod bo‗yicha ajratish
jarayoni ko‗plab vaqt slotlari bo‗ylab
amalga oshirishni ta‘minlaydigan
texnologiyadir.
TD-CDMA, an acronym for Time-
division-Code division multiple access,
is a channel access method based on
using spread spectrum multiple access
(CDMA) across multiple time slots
(TDMA).
WCDМА
2 MGs kenglikdagi radio kanallar
bo‗ylab ma‘lumotlarni uzatish
WCDMA transmits on a pair of 5 MHz-
wide radio channels.
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texnologiyasi.
IPv6
InternetProtocol 6 versiyasi - internet
tarmoqlarining yangi turdagi
protokolidir.
Internet Protocol version 6 (IPv6) is the
most recent version of the Internet
Protocol (IP).
2G
2 avlod tarmoqlari - mobil aloqada
xabar, ovoz va ma‘lumotni kichik
tezliklarda uzatishga mo‗ljallangan
tizimdir.
Second generation networks delivering
voice, text messaging and basic data
using global system for mobile (‗GSM‘)
technology.
3G
3 avlod tarmoqlari - mobil aloqada
xabar, ovoz va ma‘lumotni yuqori
tezliklarda uzatishga mo‗ljallangan
tizimdir.
Third generation networks delivering
enhanced data services.
4G
4 avlod tarmoqlari 3 avlod
tarmoqlariga qaraganda ancha tezroq
ma‘lumot uzatishga mo‗ljallangan.
Fourth generation networks offering
faster data transfer than 3G networks.
VoIP
Internet protokoli bo‗ylab ovozlarni
uzatish standarti bo‗lib, ovoz va
multimediya xabarlarini uzatishga
asoslangan.
Voice over Internet Protocol is the
method by which voice and multimedia
communications are transmitted over
the internet.
PSTN
Umumfoydalanuvchi telefon
tarmog‗i. Kanallarni
kommutatsiyalash usuliga ega bu
tarmoq, milliy, mintaqaviy yoki
maxallay telefon operatorlari
tomonidan boshqariladi.
The public switched telephone network
is the aggregate of the world's circuit-
switched telephone networks that are
operated by national, regional, or local
telephone operators.
ISDN
Umumfoydalanuvchi telefon
tarmog‗idan ovoz, video, ma‘lumot
va boshqa xizmatlarni uzatish
xizmatidir.
Integrated Services for Digital Network
is a set of communication standards for
simultaneous digital transmission of
voice, video, data, and other network
services over the traditional circuits of
the public switched telephone network.
CDМА2000
CDMA2000 mobil telefonlar va baza
stansiyalari o‗rtasida ovoz,
ma‘lumot, signalli ma‘lumotlarni
uzatish uchun 3G mobil
texnologiyasi standartlarining oilasi.
CDMA2000 is a family of 3G mobile
technology standards for sending voice,
data, and signaling data between mobile
phones and cell sites.
PCRF
Hisob kitob qoidalari funksiyasi -
multimedia tarmoqlarida real vaqtda
dasturiy tugun hisoblanadi.
Policy and charging rules function is the
software node designated in real-time to
determine policy rules in a multimedia
network.
Gm
interface
Foydalanuvchi terminali va P-CSCF
o‗rtasidagi SIP asosidagi interfeys
hisoblanadi
The Gm reference point is a SIP-based
reference point between the user
equipment and the P-CSCF.
Мw
Interface
P-CSCF va I-CSCF/S-CSCF
o‗rtasida interfeysni ta‘minlash
uchun xizmat qiladi.
The SIP-based Mw reference point
provides for an interface between the P-
CSCF and I-CSCF/S-CSCF.
Ма
Interface
CSCF va AS o‗rtasida xabarlarni
almashishni amalga oshirish uchun
ishlatiladi.
This is used to exchange messages
between I-CSCF and AS.
Cх
Interface
CSCFs va HSS o‗rtasida xizmat va
At the heart of the IMS is the home
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foydalanuvchi ma‘lumotlarini
saqlash uchun ma‘sul interfeys
hisoblanadi.
subscriber server that is responsible for
storing the subscriber and service data.
The reference point between the CSCFs
and the HSS is the Cx reference point
Dх
Interface
SLFga xabar jo‗natish uchun, CSCF
va S-CSCFDiameterasosidagi
Dxinterfeysidan foydalanadi.
To send a message to the SLF, the I-
CSCF or S-CSCF uses the Diameter-
based Dx reference point.
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