mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
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sistemas SeuZlia uzrunvelyos rogorc samomsaxuro<br />
(brZanebebis) informaciis signalebis ga<strong>da</strong>cema<br />
agreTve uzrunvelyos momsaxurebis ori<br />
saxeoba:<br />
_ satelefono, faqsimiluri <strong>da</strong> peijinguri telekomunikacia;<br />
_ abonentis adgilmdebareobis (koordinatis)<br />
gansazRvra.<br />
kavSiris kargi xarisxi miiRweva xmauris msgavsi<br />
farTzolovani siganlebis saSualebiT arxebis<br />
koduri <strong>da</strong>yofiT. es saSualebas iZleva gamoyenebuli<br />
iqnas sixSiris erTi <strong>da</strong> igive diapazoni yovel<br />
16 sxivSi romlebic yalibdeba mravalsxivuri saborto<br />
antenis meSveobiT.<br />
xmauris msgavsi farTozolovani siganlebis<br />
CamoyalibebisaTvis uolSis Tanmimdevroba gamoiyeneba.<br />
yvela signali yalibdeba erTi wyaro<strong>da</strong>n, magram<br />
TiToeuls aqvs Tavisi gansazRvruli droiTi<br />
Zvra pilot-signalTan mimarTebaSi. polit-signali<br />
uolSis funqciis nulovani mimdevrobiT ga<strong>da</strong>icema<br />
(yvela niSani 0-ia).<br />
xmauris msgavsi farTzolovani signalebis gamoyenebisas<br />
sxva ucxo obieqtebi<strong>da</strong>n areklili signalebi<br />
jamdeba ZiriTad signalTan mravalmxriani<br />
mimRebebis <strong>da</strong>xmarebiT, rac mniSvnelovnad zrdis<br />
sistemis mdgradobas xelSeSlis mimarT. es Sesa-<br />
Zlebels xdis agreTve uzrunvelvyoT abonentis<br />
e.w. rbili ga<strong>da</strong>svla erTi sxivis moqmedebis zoni<strong>da</strong>n<br />
meore sxivis moqmedebis zonaSi <strong>telekomunikaciis</strong><br />
<strong>da</strong>ukargavad (nax. 5.10)<br />
160<br />
am SemTxvevaSi arxebis droiTi an sixSiruli<br />
<strong>da</strong>yofis sitemebisagan gansxvavebiT ga<strong>da</strong>svlis procesSi<br />
abonentTan kavSiri narCundeba orive sxivis<br />
mxri<strong>da</strong>n manam, sanam erT-erTi maTganis signalis<br />
done gansazRvrul mniSvnelobaze <strong>da</strong>bali ar gaxdeba.<br />
amgvari alogriTmi abonentis terminalSi ga<strong>da</strong>rTvis<br />
xmauris gamoricxvis saSualebas iZleva. es faqtori<br />
sxva sistemebSi SeiZleba iyos smenadi. am SemTxvevaSi<br />
komunikaciis gawyvetis albaTobac Semcirebulia.<br />
signalebis koduri <strong>da</strong>yofisa <strong>da</strong> cifruli nakadis<br />
ga<strong>da</strong>cemis cvladi siCqaris (1200-9699 bit/wm-Si)<br />
gamo yoveli arxis gamtanurianoba Zalian maRalia.<br />
cifruli nakadis ga<strong>da</strong>cemis cvladi siCqare laparakis<br />
pauzebSi samosamsaxuro signalebis (brZanebebis)<br />
ga<strong>da</strong>cemis saSualebas iZleva.<br />
nax. 5.10. sistema Globalstar-is mravalsxiviani<br />
anteniT de<strong>da</strong>miwis ze<strong>da</strong>piris <strong>da</strong>farvis struqtura<br />
161
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