mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
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warmodgenilia ma-is mimRebSi C/I fardobis <strong>da</strong>mokidebuleba<br />
fiWis normirebul manZilze (2.15)-is<br />
gamoyenebiT miRebuli sxva<strong>da</strong>sxva M-Tvis.<br />
simZlavris marTviT<br />
simZlavris marTvis gareSe<br />
nax. 2.15 nax. 2.16<br />
nax. 1.17<br />
simZlavriT marTvis ganxiluli xerxi saSualebas<br />
iZleva <strong>da</strong>axloebiT orjer SevamciroT qsel-<br />
Si saerTo interferencia fiWebis ganusazRvreli<br />
raodenobisas, rac uzrunvelyofs <strong>da</strong>saSvebi aqtiuri<br />
abonentebis ricxvis 2-jer gazr<strong>da</strong>s aramarTvadi<br />
simZlavris analogiur sistemasTan Se<strong>da</strong>rebiT.<br />
ZiriTadi wvlili qselis jamur interferenciaSi<br />
SeaqvT pirveli rgolis fiWebs. meore rgolis<br />
fiWebiT Seqmnili interferenciis gaTvaliswinebas<br />
mivyavarT lokalur fiWaSi aqtiuri abonentebis<br />
<strong>da</strong>saSvebi ricxvis Semcirebisaken mxolod<br />
erTeuliT.<br />
54<br />
Tavi II. <strong>mobiluri</strong> <strong>telekomunikaciis</strong><br />
analoguri fiWuri <strong>sistemebi</strong> (1G)<br />
rogorc zemoT aRiniSna, <strong>mobiluri</strong> radiokavSis<br />
fiWuri <strong>sistemebi</strong>s ganviTareba msoflioSi <strong>da</strong>iwyo<br />
gasuli saukunis samoc<strong>da</strong>aTian wlebSi. misma <strong>da</strong>nergvam<br />
ga<strong>da</strong>wyvita radiosixSiruli speqtris<br />
ekonomiis problema gamoyofili radisixSiruli<br />
resursis mravaljeradi gamoyenebis gziT. amasTanave,<br />
qselis agebis fiWurobis topologiam saSualeba<br />
misca operatorebs, mravaljera<strong>da</strong>d gazrdiliyo<br />
telesakomunikacio qselebis tevadoba, kavSiris<br />
xarisxis gauaresebis gareSe, radialuri struqturis<br />
mqone qselebTan Se<strong>da</strong>rebiT.<br />
cnobilia <strong>mobiluri</strong> radiokavSiris analoguri<br />
fiWuri <strong>sistemebi</strong>s cxra stan<strong>da</strong>rti (ix. cxrili 2.1).<br />
magram <strong>mobiluri</strong> fiWuri radiokavSiris analoguri<br />
<strong>sistemebi</strong> dRes ukve veRar akmayofilebs sainformacio<br />
teqnologiebis Tanamedrove dones maTi uaryofiTi<br />
mxareebis gamo, romelTagan SeiZleba gamoiyos<br />
ZiriTa<strong>da</strong>d Semdegi:<br />
_ stan<strong>da</strong>rtebis SeuTavsebloba;<br />
_ moqmedebis SezRuduli zona;<br />
_ kavSiris <strong>da</strong>bali xarisxi;<br />
_ ga<strong>da</strong>cemuli Setyobinebebis gasaidumloebis<br />
SeuZlebloba;<br />
_ integraluri momsaxurebis cifrul (ISDN-Integrated<br />
Services Digital Network) <strong>da</strong> monacemTa ga<strong>da</strong>cemis<br />
paketur qselebTan (PDN-Packet Data Network) urTierTqmedebis<br />
SeuZlebloba.<br />
zemoaRniSnulis gamo es <strong>sistemebi</strong> ukanasknel periodSi<br />
TiTqmis ar inergeba, magram miuxe<strong>da</strong>vad amisa,<br />
55
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