mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
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CDMA2000 qseli absoluturad Seesabameba<br />
CDMAone_s (IS-95), rac uzrunvelyofs ubralo <strong>da</strong><br />
iaf ga<strong>da</strong>svlas umavTulo kavSiris axal Taobaze.<br />
amiT uzrunvelyofs saoperatoro kompaniis kapital<strong>da</strong>bandebis<br />
aTvisebas. CDMA2000 qseli gvTavazobs<br />
bgeris xarisxis mniSvnelovan gaumjobesebas<br />
<strong>da</strong> xmovani arxebis tevadobis gazr<strong>da</strong>s, multimediis<br />
<strong>da</strong> monacemebis ga<strong>da</strong>cemis maRal siCqares.<br />
CDMA2000-sken evoluciis periodi iyofa or fazad<br />
1X <strong>da</strong> 3X. imisaTvis rom realizeba gavukeToT<br />
evoluciis periods IMT-2000-sken 1,25 mhc sixSiris<br />
zolSi ganixileba kidev erTi faza 1XEV stan<strong>da</strong>rtis<br />
ganviTareba, romelic saSualebas gvaZlevs gavafarTovoT<br />
CDMA2000-is SemWidrovebebi 1X-is zeviT.<br />
b) CDMA-2000 1X<br />
CDMA2000 1X qselebi funqcionireben imave six-<br />
Siris zolSi, romlebSic CDMAOne qselebi, magram<br />
isini floben 2-jer meti xmovani arxebis gatarebis<br />
SesaZleblobebs; monacemebis ga<strong>da</strong>cemis siCqares<br />
1444kbit/wm-Si. CDMA2000 1X <strong>da</strong> CDMA One mTlianad<br />
SeTavsebadia, isini un<strong>da</strong> ganvixiloT rogorc erTi<br />
qselis meorisaken Semdgomi srulyofa.<br />
ITA-m gamoaqveyna CDMA2000 1X rogorc IS-2000<br />
stan<strong>da</strong>rti. saxelwodeba 1X warmodgeba teqnikuri<br />
terminisagan 1XRTT, romelic Seexeba 1,25 mhc six-<br />
Siris zolSi momuSave CDMA2000 qsels. 1X aRniSnavs<br />
1,25 mhc zolSi radioga<strong>da</strong>cemis teqnologias.<br />
g) CDMA-2000 1XEV<br />
mocemuli stan<strong>da</strong>rti warmoadgens 1X stan<strong>da</strong>rtis<br />
Semdgom srulyofas. misi <strong>da</strong>xmarebiT miiRweva<br />
sixSiruli speqtris Se<strong>da</strong>rebiT efeqturi gamoyeneba,<br />
120<br />
izrdeba monacemebis ga<strong>da</strong>cemis SesaZlebloba. miiRweva<br />
informaciis ga<strong>da</strong>cemis umaRlesi siCqare 2<strong>da</strong>n<br />
5 mbit|wm igive 1,25 mhc sixSirul zolSi. operatoris<br />
gansazRvruli moTxovnebi miuTiTebs srulyofas<br />
me-2 etapze. informaciis ga<strong>da</strong>cemis ufro<br />
efeqturi saSualebisaTvis pirvel etapze saWiroa<br />
2,4 mbit|wm-ze meti siCqaris miRweva monacemebis ga<strong>da</strong>cemisas.<br />
meore etapis realizaciisas xdeba bgeris<br />
monacemebis ga<strong>da</strong>cemis siCqaris miRweva drois<br />
realur masStabSi.<br />
d) CDMA 3X<br />
CDMA-2000 3X aris CDMA-2000 stan<strong>da</strong>rtis meore<br />
faza. mocemuli fazis srulyofas uzrunvelyofen<br />
informaciis ga<strong>da</strong>cemis siCqaris gazrdiT mas<br />
zemoT, rac miRweulia 1X-Si, 2bit|wm-mde ga<strong>da</strong>cemis<br />
siCqaris maRalxarisxiani sistemis gamoyenebiT. 3Xis<br />
<strong>da</strong>saxeleba warmodgeba terminisagan 3XRTT, e.i.<br />
gamoiyeneba 1,25 mhc-iani 3 sixSiruli zoli 36 momsaxurebis<br />
warmodgenisaTvis. rogorc es gamosaxulia<br />
nax. 5.5-ze.<br />
e) CDMA 2000 sistemis mowyobis MC <strong>da</strong> MS<br />
variantebi sixSiris 3-ze meti ga<strong>da</strong>mtanis SemTxvevaSi.<br />
nax. 4.5-ze mocemulia qselis agebis is SemTxveva,<br />
rodesac saqme gvaqvs sixSiris sam ga<strong>da</strong>mtanTan<br />
mravalsixSiruli meTodis SemTxvevebSi. rogorc<br />
zemoT ukve aRvniSneT, qselSi gamoiyeneba MS <strong>da</strong> MC<br />
meTodebi. mravalsixSirul CDMA vatiantSi modulirebuli<br />
simboloebi mWidrovdeba ramodenime qvega<strong>da</strong>mtanze<br />
speqtris siganiT 1,25 mghc TiToeul<br />
maTganze. qvega<strong>da</strong>mtanebis ricxvi N SeiZleba Seicva-<br />
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