mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
nax. 3.14. D-AMPS (ADC) stan<strong>da</strong>rtSi paketebis<br />
kodirebuli bitebis monacvleobis organizacia<br />
TDMA kadrebis struqtura wina <strong>da</strong> ukuarxebSi<br />
naxevarsiCqariani salaparako arxis stan<strong>da</strong>rtebisaTvis<br />
naCvenebia nax.3.15-ze.<br />
nax. 3.15 naxevarsiCqariani salaparako arxis<br />
kadrebis struqtura<br />
94<br />
3.3. <strong>telekomunikaciis</strong> JDC stan<strong>da</strong>rtis<br />
<strong>mobiluri</strong> fiWuri sistema<br />
iaponuri cifruli <strong>mobiluri</strong> fiWuri kavSiris<br />
Seqmna ZiriTa<strong>da</strong>d xorcieldebo<strong>da</strong> NNT kompaniis mier,<br />
romelic uzrunvelyof<strong>da</strong> analoguri fiWuri <strong>mobiluri</strong><br />
kavSiris momsaxurebebs iaponiaSi, <strong>da</strong>wyebuli<br />
1979 wlis dekembri<strong>da</strong>n. kavSiris cifrul<br />
sistemaze specifikaciebis SemuSavebisas savaldebulod<br />
iTvlebo<strong>da</strong>:<br />
_ sixSireTa speqtris ekonomiis uzrunvelyofa:<br />
speqtrul efeqturi cifruli modulaciis gamoyenebis,<br />
<strong>da</strong>balsiCqariani <strong>da</strong> maRalxarisxiani bgeri-<br />
Ti kodekebis arCevis <strong>da</strong> radioarxebSi marTvis protokolebis<br />
gaumjobesebis xarjze;<br />
_ sistemis aparatul saSualebaTa Rirebulebis<br />
Semcireba arxebis droiTi <strong>da</strong>yofis gamoyenebis xarjze;<br />
_ momsaxurebaTa kompleqsis gafarToeba OSI Ria<br />
<strong>sistemebi</strong>s arqiteqturis gamoyenebis, funqcionalurad<br />
<strong>da</strong>mTavrebuli aparaturuli <strong>da</strong> programuli<br />
modulebis xarjze.<br />
JDC stan<strong>da</strong>rtis sistemis Taviseburebebs un<strong>da</strong> mivakuTvnoT<br />
ISDN qselebTan pir<strong>da</strong>piri kavSiri; ga<strong>da</strong>sacem<br />
SetyobinebaTa <strong>da</strong>Sifrvis SesaZlebloba, <strong>da</strong>balsiCqaruli<br />
bgeriTi kodekis VSELP-is gamoyeneba,<br />
sixSirul arxTa <strong>da</strong>yofa 25 khc-is SualediT.<br />
JDC <strong>mobiluri</strong> kavSiris qselisa <strong>da</strong> stan<strong>da</strong>rtis<br />
SemuSavebisas kompania NNT yuradRebas amaxvilebs<br />
Semdegi ZiriTadi moTxovnebis <strong>da</strong>kmayofilebaze:<br />
_ kavSiris fiqsirebul qselebTan urTierTqmedebis<br />
uzrunvelyofa (PSTN, ISDN);<br />
95
Change language