mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
zo sadguri anawilebs abonentebis simZlavreebs imgvarad, rom miRweul iqnes salaparako signalebis miRebis damakmayofilebeli done. rogorc pirdapir, aseve ukuarxebSi simZlavreTa marTvis zemoT aRniSnuli principi, ra Tqma unda, moqmedebs mobiluri sadgurebis akumulatorebis gamoyenebis vadaze. gamokvlevebi gviCvenebs, rom (nax. 3.21) CDMA sistemebSi gamosxivebuli saSualo simZlavre naklebia vidre sxva SeRwevis meTodebis gamoyenebiT agebul sistemebSi. nax. 3.21. mobiluri sadgurebis gamosxivebuli simZlavris cvlileba pirdapir arxSi simZlavris regulireba xdeba zemoT ganxilulisagan gansxvavebulad. am SemTxvevaSi SesaZlebelia regulirebis ori varianti: Ria ciklisas (gawyvetili maryuJi) da Sekruli ciklisas (Sekruli maryuJi), rogorc es naCvenebia nax. 3.22-ze. 102 nax. 3.22. pirdapir arxSi simZlavris marTva gavaanalizoT simZlavris regulirebis Ria cikli. mobiluri sadguri CarTvis Semdeg eZebs sabazo sadguris signals. am signalTan sinqronizaciis Semdeg xdeba misi simZlavris gazomva da aRiricxeba gadacemuli signalis simZlavre. aRricxvebi efuZneba imas, rom gamosxivebuli signalis savaraudo simZlavrisa da miRebuli signalis sim- Zlavris doneebis jami unda iyos mudmivi da -73 db-is toli. Tu miRebuli signalis done, mag., tolia -85 db-is, maSin gamosxivebuli simZlavris done toli unda iyos 12 db-is. es procesi meordeba yovel 20 mwm-Si, magram igi mainc ver uzrunvelyofs sasurvel sizustes simZlavris regulirebaSi, imdenad, ramdenadac pirdapiri da uku arxebi muSaoben sxvadasxva sixSirul diapazonebSi (sixSireTa Zvra 45 mhc-ia) da, aqedan gamomdinare, aqvT milevis sxvadasxva done gavrcelebisas da sxvadasxvagvarad ganicdian xelSeSlebis zemoqmedebas. ganvixiloT simZlavris regulirebis daxuruli cikli. simZlavris regulirebis meqanizmi am dros 103
gadacemuli signalis simZlavris zustad daregulirebis saSualebas iZleva: sabazo sadguri mudmivad afasebs Secdomis albaTobas yovel miRebul signalSi. Tu igi aWarbebs programulad dadgenil zRvars, sabazo sadguri ubrZanebs Sesabamis mobilur sadgurs gamosxivebis simZlavris gazrdas, regulireba xorcieldeba 1 db bijiT. es procesi meordeba yovel 1,25 mwm-Si. aseTi regulirebis procesis mizani mdgomareobs imaSi, rom yovelma mobilurma sadgurma gamoasxivos minimaluri simZlavris signali, romelic sakmarisia laparakis misaRebi xarisxis uzrunvelyofisaTvis. imis gamo, rom yvela mobiluri sadguri gamoasxivebs normaluri muSaobisaTvis saWiro simZlavris signalebs (da ara umetes), maTi urTierTqmedeba minimumamde dadis da Sesabamisad sistemis saabonento tevadoba izrdeba. mobilurma sadgurebma unda uzrunvelyos gamosasvleli signalis simZlavris regulireba far- To dinamikur diapazonSi _ 85 db-mde. iseTi faqtorebi, rogoricaa momxmarebelTa raodenoba da sabazo sadguridan manZili, zemoqmedebs maqsimaluri gamosxivebuli simZlavris mniSvnelobaze. zemoT aRniSnulis gaTvalisiwnebiT SeiZleba iTqvas, rom gadamcemis simZlavris gamaZliereblis wrfivobisadmi wayenebuli moTxovnebi (Semavali signalis 20 db-is zRvrebSi cvlilebisas) uaRresad maRalia. gamosxivebuli CDMA signalis speqtri, romelic miiReba uolSis mixedviT kodirebuli mravali sabazo signalis gaerTianebiT, axloa xmauris signalis speqtrTan. amasTan, pikuri mniSvnelobis fardoba saSualo mniSvnelobasTan tolia 11 db-is. sxva- 104 dasxva standartis sabazo sadgurebSi simZlavris gamaZliereblisadmi wayenebuli moTxovnebis ilustracia mocemulia nax. 3.23-ze. nax. 3.23. moTxovnebi sabazo sadguris simZlavris gaZlierebaze imisaTvis, rom ufro gasagebi iyos CDMA standartis sistemebis muSaobis Cvens mier gaanalizebuli zogadi principebi, mokled ganvixiloT mobiluri sadguris muSaobis principi. CarTvis Semdeg mobiluri sadguri iwyoba qselis muSa six- Sireze da eZebs sabazo sadguris signals. rogorc wesi, igi aRmoaCens sxvadasxva sabazo sadguris ramdenime signals, romelTa gamorCeva SesaZlebelia mokle kodSi droiTi daZvriT. mobiluri sadguris SeirCevs didi donis signals da amgvarad, iRebs koherentul sayrdens sinqronizaciis signalis Semdgomi demodulaciisaTvis. am signals Seesabameba uolSis 32-e kodi. masSi gadaicema informacia 42 Tanrigiani daZvris registris Semadgenlobis Sesaxeb, romelic gamoiyeneba grZeli kodis formirebisaTvis. es informacia igzavneba sainformacio arxSi gadacemul 105
- Page 3 and 4: uak 621. 396. wignSi ganxilulia mob
- Page 5 and 6: 4.1. mobiluri telekomunikaciis mesa
- Page 7 and 8: teritoriis garkveul ubnebad dayofis
- Page 9 and 10: 1.2. personaluri radiogamoZaxebis s
- Page 11 and 12: 1.3. mobiluri telekomunikaciis fiWu
- Page 13 and 14: sixSiruli zolis sigane aris F k , m
- Page 15 and 16: 2.6. naxazidan Cans, rom miRebul rT
- Page 17 and 18: ganmeorebis N periodis mqone fsevdo
- Page 19 and 20: sadac m aris erTi mimdevrobis droiT
- Page 21 and 22: mimdinare koordinatebia. 2 2 D r
- Page 23 and 24: 2 B q 0, 87 Ms pir ; xolo uku arxS
- Page 25 and 26: SesaZlebelia abonentTa maqsimaluri
- Page 27 and 28: amasTan, abonentTa saerTo ricxvi lo
- Page 29 and 30: 2 4 ( r / R) ( r / R) 4 62, 5 0 0
- Page 31 and 32: Cveni azriT, mizanSewonilia, ganvix
- Page 33 and 34: 2.2. mobiluri telekomunikaciis AMPS
- Page 35 and 36: cxr. 3.1. cifruli standartebis maxa
- Page 37 and 38: is neli gadarTviT (wamSi 217 naxtom
- Page 39 and 40: erTi saerTaSoriso saidentifikacio n
- Page 41 and 42: nax. 3.5. droebiTi monacemebi, roml
- Page 43 and 44: sixSiris Sewyobis droiTi ganmeoreba
- Page 45 and 46: fizikuri arxis formirebamde cifrul
- Page 47 and 48: nax. 3.10. b. cifrul formaSi gardaq
- Page 49 and 50: mowyobilobaTa Semadgenloba da funqc
- Page 51 and 52: _ mobilur abonentTa da sxvadasxva f
- Page 53: CDMA-s princi pze agebul sistemebSi
- Page 57 and 58: mimReb mxareze Secdomebis pirdapiri
- Page 59 and 60: mis siCqare 384 kbiti/wm B-ISDN-Si
- Page 61 and 62: IMT-2000 (UMTS) gamoyofil sixSireTa
- Page 63 and 64: CDMA2000 qseli absoluturad Seesabam
- Page 65 and 66: li cikluri wanacvlebiT, rac moiTxov
- Page 67 and 68: formis mixedviT ganasxvaveben Semde
- Page 69 and 70: ganTavsebisas. kosmosuri aparatebis
- Page 71 and 72: nax. 5.3-ze naCvenebia miTiTebuli d
- Page 73 and 74: _ calkeuli kosmosuri aparatis mier
- Page 75 and 76: telekomunikacia abonetebs Soris 2 s
- Page 77 and 78: cxrili 5.2 148 cxrili 5.2 (gagrZele
- Page 79 and 80: tis xedvis zonaSi sul ramdenime wam
- Page 81 and 82: omelic zrunvelyofs salaparako infor
- Page 83 and 84: sistemas SeuZlia uzrunvelyos rogorc
- Page 85 and 86: i 5-15 aTas km simaRleze. saSualorb
- Page 87 and 88: uzrunvelyofs monacemTa gadacemis ma
- Page 89 and 90: lis maRali kuTxiT (45 0 -ze meti) d
- Page 91 and 92: momavlisaTvis dagegmilia CrdiloeT n
- Page 93 and 94: loebiT 520 mwm-s. Tu signali erTxel
- Page 95 and 96: nax. 5.18. xmeleTis, atlantikis da
- Page 97: ibeWdeba avtorTa mier warmodgenili
ga<strong>da</strong>cemuli signalis simZlavris zustad <strong>da</strong>regulirebis<br />
saSualebas iZleva: sabazo sadguri mudmivad<br />
afasebs Secdomis albaTobas yovel miRebul<br />
signalSi. Tu igi aWarbebs programulad <strong>da</strong>dgenil<br />
zRvars, sabazo sadguri ubrZanebs Sesabamis mobilur<br />
sadgurs gamosxivebis simZlavris gazr<strong>da</strong>s, regulireba<br />
xorcieldeba 1 db bijiT. es procesi meordeba<br />
yovel 1,25 mwm-Si. aseTi regulirebis procesis<br />
mizani mdgomareobs imaSi, rom yovelma mobilurma<br />
sadgurma gamoasxivos minimaluri simZlavris<br />
signali, romelic sakmarisia laparakis misaRebi<br />
xarisxis uzrunvelyofisaTvis. imis gamo, rom yvela<br />
<strong>mobiluri</strong> sadguri gamoasxivebs normaluri<br />
muSaobisaTvis saWiro simZlavris signalebs (<strong>da</strong><br />
ara umetes), maTi urTierTqmedeba minimumamde <strong>da</strong>dis<br />
<strong>da</strong> Sesabamisad sistemis saabonento tevadoba izrdeba.<br />
mobilurma sadgurebma un<strong>da</strong> uzrunvelyos gamosasvleli<br />
signalis simZlavris regulireba far-<br />
To dinamikur diapazonSi _ 85 db-mde.<br />
iseTi faqtorebi, rogoricaa momxmarebelTa raodenoba<br />
<strong>da</strong> sabazo sadguri<strong>da</strong>n manZili, zemoqmedebs<br />
maqsimaluri gamosxivebuli simZlavris mniSvnelobaze.<br />
zemoT aRniSnulis gaTvalisiwnebiT SeiZleba<br />
iTqvas, rom ga<strong>da</strong>mcemis simZlavris gamaZliereblis<br />
wrfivobisadmi wayenebuli moTxovnebi (Semavali<br />
signalis 20 db-is zRvrebSi cvlilebisas) uaRresad<br />
maRalia.<br />
gamosxivebuli CDMA signalis speqtri, romelic<br />
miiReba uolSis mixedviT kodirebuli mravali<br />
sabazo signalis gaerTianebiT, axloa xmauris signalis<br />
speqtrTan. amasTan, pikuri mniSvnelobis fardoba<br />
saSualo mniSvnelobasTan tolia 11 db-is. sxva-<br />
104<br />
<strong>da</strong>sxva stan<strong>da</strong>rtis sabazo sadgurebSi simZlavris<br />
gamaZliereblisadmi wayenebuli moTxovnebis ilustracia<br />
mocemulia nax. 3.23-ze.<br />
nax. 3.23. moTxovnebi sabazo sadguris simZlavris<br />
gaZlierebaze<br />
imisaTvis, rom ufro gasagebi iyos CDMA stan<strong>da</strong>rtis<br />
<strong>sistemebi</strong>s muSaobis Cvens mier gaanalizebuli<br />
zogadi principebi, mokled ganvixiloT <strong>mobiluri</strong><br />
sadguris muSaobis principi. CarTvis Semdeg<br />
<strong>mobiluri</strong> sadguri iwyoba qselis muSa six-<br />
Sireze <strong>da</strong> eZebs sabazo sadguris signals. rogorc<br />
wesi, igi aRmoaCens sxva<strong>da</strong>sxva sabazo sadguris ramdenime<br />
signals, romelTa gamorCeva SesaZlebelia<br />
mokle kodSi droiTi <strong>da</strong>ZvriT. <strong>mobiluri</strong> sadguris<br />
SeirCevs didi donis signals <strong>da</strong> amgvarad, iRebs<br />
koherentul sayrdens sinqronizaciis signalis<br />
Semdgomi demodulaciisaTvis. am signals Seesabameba<br />
uolSis 32-e kodi. masSi ga<strong>da</strong>icema informacia<br />
42 Tanrigiani <strong>da</strong>Zvris registris Semadgenlobis Sesaxeb,<br />
romelic gamoiyeneba grZeli kodis formirebisaTvis.<br />
es informacia igzavneba sainformacio arxSi ga<strong>da</strong>cemul<br />
105
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