mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
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mimReb mxareze Secdomebis pir<strong>da</strong>piri koreqciisaTvis<br />
gamoiyeneba siWarbiani kodirebis meTodi<br />
nax. 3.26. kodireba pir<strong>da</strong>pir arxSi<br />
nax. 3.27. kodireba ukuarxSi<br />
ukuarxSi gamoiyeneba kodirebis sxva meTodi, vinai<strong>da</strong>n<br />
mobilur sadgurSi ar SeiZleba gamoyenebul<br />
iqnes sayrdeni signalebis translaciis upiratesobebi.<br />
ukuarxSi, iseve, rogorc pir<strong>da</strong>pir arx-<br />
Si gamoiyeneba vokoderi <strong>da</strong> xvevadi kodirebis me-<br />
Todi siCqariT 1/3.<br />
108<br />
Tavi IV. <strong>telekomunikaciis</strong> IMT-2000<br />
<strong>sistemebi</strong>s agebis ZiriTadi<br />
princi pebi<br />
4.1. <strong>mobiluri</strong> <strong>telekomunikaciis</strong> mesameTaobis<br />
(3G) saerTo sargeblobis <strong>sistemebi</strong><br />
mesame Taobis saerTo sargeblobis <strong>mobiluri</strong><br />
radiokavSiris sistema 3G (winamorbedi <strong>da</strong>saxeleba:<br />
PLMTS-Future Public Land Mobile Telephone System _ saer-<br />
To sargeblobis <strong>mobiluri</strong> kavSiris sistema; dReisaTvis:<br />
IMT-2000-International Mobile Telecommunications – (after<br />
the year-2000 – <strong>mobiluri</strong> <strong>telekomunikaciis</strong> saer-<br />
TaSoriso sistema – 2000 wlis Semdeg), moicavs ramdenime<br />
saerTaSoriso regionalur <strong>da</strong> nacionalur<br />
sistemebs msoflio masStabis roumingiT.<br />
mesame Taobis <strong>sistemebi</strong> uzrunvelyofen:<br />
_ momsaxurebis iseTive farTo speqtrs romelsac<br />
uzrunvelyofs <strong>telekomunikaciis</strong> fiqsirebuli<br />
qselebi (saerTo sargeblobis satelefono<br />
qselebi, cifruli qselebi momsaxurebis integraciiT<br />
<strong>da</strong> a.S.);<br />
_ momsaxurebebs, romlebic specifikuria <strong>mobiluri</strong><br />
abonentebisaTvis.<br />
ITM-2000-is saabonento <strong>da</strong>maboloebeli (terminaluri)<br />
mowyobilobebi uzrunvelyofen SeRwevas<br />
qselis rogorc miwisze<strong>da</strong>, aseve Tanamgzavrul segmentTan.<br />
ITM-2000-is SemuSavebisa <strong>da</strong> <strong>da</strong>nergvis aspeqtebis<br />
g an xi lv a _ ITU-s (International Telecommunication<br />
Union_<strong>telekomunikaciis</strong> saerTaSoriso kavSiri) farglebSi<br />
<strong>da</strong>iwyo 1985 wli<strong>da</strong>n. evropaSi mesame Taobis<br />
<strong>sistemebi</strong>s stan<strong>da</strong>rtis SemuSaveba <strong>da</strong>iwyo 1990 wli<strong>da</strong>n<br />
ETSI-is (European Telecommunications Stan<strong>da</strong>rds Unstitute<br />
– satelekomunikacio stan<strong>da</strong>rtebis evropuli<br />
109
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