mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
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Cveni azriT, mizanSewonilia, ganvixiloT mokled<br />
im <strong>sistemebi</strong>s agebis ZiriTadi principebi, rac gaadvilebs<br />
wignSi Semdeg mocemuli masalis obieqtur<br />
analizs. qvemoT cxr. 2.1-Si mocemulia analogur<br />
<strong>mobiluri</strong> fiWuri <strong>sistemebi</strong>s stan<strong>da</strong>rtebis Ziri-<br />
Tadi parimetrebi.<br />
cxr. 2.1.<br />
analoguri <strong>mobiluri</strong> fiWuri <strong>sistemebi</strong>s<br />
stan<strong>da</strong>rtebis ZiriTadi parametrebi<br />
stan<strong>da</strong>rtis<br />
maxasiaTeblebi<br />
AMPS<br />
aSS<br />
HCMTS<br />
iaponi<br />
a<br />
NMT- NMT-<br />
450 900<br />
skandinaviis<br />
qveynebi<br />
C-450<br />
germania<br />
TACS ETACS<br />
inglisi<br />
RTMS 10<br />
IH<br />
italia<br />
1 2 3 4 5 6 7 8 9<br />
eqsploataciaSi gaSvebis<br />
dro<br />
1983 1979 1981 1986 1985 1985 1987 1985<br />
sixSiruli diapazoni<br />
ga<strong>da</strong>cemaze (mhc):<br />
_ bazuri sadguri<br />
_ <strong>mobiluri</strong> sadguri<br />
<strong>da</strong>cileba dupleqsur<br />
arxebs Soris (mhc)<br />
arxebs Soris <strong>da</strong>cileba<br />
(khc)<br />
dupleqsuri arxebis<br />
ricxvi<br />
bazuri sadgurebis<br />
maqsimaluri efeqturi<br />
gamosxivebis simZlavre,<br />
vt<br />
<strong>mobiluri</strong> sadguris<br />
ga<strong>da</strong>mcemis nominaluri<br />
simZlavre, vt<br />
arxebis ga<strong>da</strong>rTvis dro<br />
fiWebis sazRvarze, mwm<br />
signali/xmauri Semavali<br />
Sefardebis minimaluri<br />
sidide, db<br />
870-890<br />
825-845<br />
870-885 463-467.5<br />
925-940 453-457.5<br />
56<br />
935-960<br />
890-915<br />
461.3-465.74 935-950 917-933<br />
451.3-455.74<br />
890-905<br />
872-888<br />
460-465<br />
450-455<br />
45 55 10 45 10 45 45 10<br />
30 25/12,5 25/20 12,5 20/10 25 25 25<br />
666 600-1200 180-225 1000-1999 222 600 --- 200<br />
100 50/25 50 100 100 100 100 25/2,5<br />
3 5/1 15/2 6/1 15 2-20 2-20 10/1<br />
250 800 1250 270 300 290 290 ---<br />
10 17 15 --- --- 10 10 ---<br />
fiWis radiusi, km 2-20 5-10 1-40 0,5-20 2-30 2-20 2-10 5-20<br />
2.1. <strong>mobiluri</strong> <strong>telekomunikaciis</strong> NMT-450<br />
(NMT-900) stan<strong>da</strong>rtis fiWuri <strong>sistemebi</strong><br />
NMT-450 (NMT-900) _ stan<strong>da</strong>rtis sistema aRWur-<br />
vilia oTxi tipis saabonento sadgurebiT:<br />
_ Cveulebrivi <strong>mobiluri</strong> sadgurebi;<br />
_ <strong>mobiluri</strong> sadgurebi prioritetiT;<br />
_ portatuli <strong>mobiluri</strong> sadgurebi;<br />
_ <strong>mobiluri</strong> sadgurebi _ taqsafonebi.<br />
sistema uzrunvelyofs:<br />
_ kavSirSi Sesvlas <strong>da</strong> laparakis Rirebulebis<br />
registracias rogorc <strong>mobiluri</strong> sadguri<strong>da</strong>n, ise<br />
piriqiT, avtomatur reJimSi;<br />
_ <strong>mobiluri</strong> sadguris kavSiris organizacias<br />
rogorc mobilurTan, ise fiqsirebuli satelefono<br />
qselis nebismier abonentTan <strong>da</strong> piriqiT;<br />
_ <strong>mobiluri</strong> abonentis avtomatur Zebnas gaer-<br />
Tianebuli qselebis farglebSi (mag., skandinaviis<br />
qveynebis teritoriaze).<br />
sistemis muSaobis principebi <strong>da</strong>fuZnebulia fiqsirebul<br />
satelefono qselebTan urTierTqmedeba-<br />
ze. sistemis SemadgenlobaSi Sedis (nax. 3.1):<br />
_ MSC (Mobile Services Switching Centre) - <strong>mobiluri</strong> kav-<br />
Siris komutaciis centri;<br />
_ BTS (Base Transmission Station) - sabazo (bazuri)<br />
sadgurebi;<br />
_ MS (Mobile Station) - <strong>mobiluri</strong> sadgurebi.<br />
57
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