mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
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cxr. 1.1.<br />
erTseqtoriani <strong>da</strong> samseqtoriani fiWebis<br />
parametri<br />
erTseqtoriani fiWis trafikis<br />
arxebis odenoba (ma = 1; 1/ 0,<br />
375)<br />
samseqtoriani fiWis trafikis<br />
trafikis parametrebi<br />
arxebis raodenoba (ma =2,55; 1 / 0,<br />
375)<br />
satelefono <strong>da</strong>tvirTva erTseqtorian<br />
fiWaze (ma =1; 1 / 0,<br />
375)<br />
, erl.<br />
satelefono <strong>da</strong>tvirTva samseqtorian<br />
fiWaze (ma = 2,55; 1 / 0,<br />
375)<br />
, erl.<br />
42<br />
simZlavris<br />
avtomaturi<br />
regulireba uku<br />
arxSi<br />
simZlavris<br />
avtomaturi<br />
regulireba<br />
pir<strong>da</strong>pir arxSi<br />
11/22 15/30<br />
28/56 38/77<br />
5,8/14,9 8,9/21,8<br />
20,2/45,5 29,1/65,7<br />
un<strong>da</strong> aRiniSnos, rom erT-erTi yvelaze mTavari<br />
Tviseba CDMA sistemisa aris muSa arxebis sixSirul-droiTi<br />
resursis srulyofili gamoyenebis<br />
SesaZlebloba. cdmaOne sistemis speqtraluri efeqturoba<br />
3-4-jer metia GSM-Tan Se<strong>da</strong>rebiT.<br />
e) CDMA-s bazaze agebuli <strong>sistemebi</strong>s moculobis<br />
miaxloebiTi Sefaseba fiWaSi abonentis<br />
SemTxveviTi mdebareobisas<br />
rogorc zemoT aRiniSna, msoflios ganviTarebul<br />
qveynebSi Catarebuli gamokvlevebis Sedegebis<br />
yovelmxrivi analizis safuZvelze SeiZleba<br />
<strong>da</strong>vaskvnaT, rom mesame (3G) <strong>da</strong> Semdgomi Taobis<br />
<strong>sistemebi</strong>saTvis optimalurs warmoadgens teqnolo-<br />
gia CDMA. cnobilia, rom am teqnologiis gamoyenebisas<br />
qselis moculoba Semoifargleba Si<strong>da</strong>-<br />
sistemuri xelSeSlebiT, romlebic gamowveulia<br />
sistemaSi gamoyenebuli rTuli signalebis (xmaurismagvari<br />
signalebis) urTierTkovaraciuli fun-<br />
qciebis obieqturad ganpirobebuli araidealuro-<br />
biT. am xelSeSlis Semcirebis erT-erTi efeqturi<br />
meTodia bazur sadgurTan axlos mdebare mobil-<br />
uri abonentis telefoniT gamosxivebuli simZlavris<br />
Semcireba.<br />
rogorc cnobilia arsebobs sxva<strong>da</strong>sxva maTema-<br />
tikuri modeli, romlebic saSualebas iZlevian gani-<br />
sazRvros simZlavris saWiro medianuri mniSvneloba<br />
sabazo sadgursa <strong>da</strong> mobilur abonents Soris cno-<br />
bili manZilisas. Tu <strong>da</strong>vuSvebT, rom bazur sad-<br />
gurze drois nebismieri momentisaTvis aris informacia<br />
misgan <strong>mobiluri</strong> abonentis <strong>da</strong>Sorebis<br />
Sesaxeb, aseve bazur sadgurs SeuZlia TiToeul<br />
kodur arxSi <strong>da</strong>ayenos saSualo simZlavre <strong>mobiluri</strong><br />
aparatis mimRebSi C/I (signali/interferencia)<br />
fardobis saWiro mniSvnelobis uzrunvelsayofad.<br />
aseTi <strong>da</strong>Sveba marTebulia mocemuli bazuri sadguris<br />
lokaluri fiWis yvela abonentisaTvis, mi-<br />
uxe<strong>da</strong>vad misi adgilmdebareobisa fiWaSi <strong>da</strong> aseve<br />
marTebulia qselis yvela bazuri sadgurebisaTvis,<br />
romlebic moicaven msgavs fiWaTa usasrulo raode-<br />
nobas gansaxilveli teritoriis farglebSi. am<br />
pirobebSi fiWis TiToeuli abonentisaTvis uzrunvelyofilia<br />
C/I fardobis saWiro mniSvneloba <strong>da</strong><br />
43
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