mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
58 nax.2.1. NMT standartis ti piuri qselis struqturuli sqema MSC uzrunvelyofs sistemis marTvas da warmoadgens damakavSirebel rgols (interfeiss) mobilur sadgurebsa da fiqsirebul satelefono qsels Soris. NMT-450 standartis tipiuri qselis struqturuli sqema mocemulia nax. 3.1-ze. TiToeuli MSC emsaxureba mobiluri sadgurebis jgufs. bazuri sadgurebis erToblioba, romelic emsaxureba erTi MSC _s, qmnis momsaxurebis zonas. cxr. 2.2-Si naCvenebia NMT-450 da NMT-900 standartis ZiriTadi maxasiaTeblebi. cxr. 2.2. analoguri fiWuri sistemebis NMT-450 da NMT-900 standartebis ZiriTadi maxasiaTeblebi # maxasiaTeblebis dasaxeleba NMT-450 NMT-900 1 2 3 4 5 6 7 sixSiruli diapazoni: gadacema _ mobiluri sadguri-bazuri sadguri miReba-bazuri sadguri-mobiluri sadguri arxebis sixSiruli dacileba gadacemis da miRebis dupleqsuri arxebis dacileba arxebis raodenoba fiWis radiusi bazuri sadguris gadamcemis simZlavre mobiluri sadguris gadamcemis simZlavre 59 420-490 mhc 453-457,5 mhc 463-467,5 mhc 25(20) khc 10 mch 180(225) 15-40 km 50 vt 15 vt 1,5 vt 0,15 vt 890-960 mhc 890-915 mhc 935-960 mhc 25khc (12,5khc gadaSorisebiT) 45 mhc 999(1999-mde gadaSorisebiT) 2-20 km 25 vt 6 vt 1 vt 0,1vt
2.2. mobiluri telekomunikaciis AMPS standartis fiWuri sistema AMPS standartis sistema aSS-Si eqspluataciaSi Sevida 1979 wels. sistema muSaobs 825-890 mhc diapazonSi da gaaCnia 666 dupleqsuri arxi. TiToeuli arxis sixSiruli zolis sigane tolia 30 mhc-is. sabazo sadguris gadacemis simZlavrea 45 vt, saavtomobilo mobiluri sadguris _ 12 vt, xolo gadasatani aparaturisa _ 1 vt. standartSi gamoyenebulia rigi originaluri teqnikuri siaxleni, romlebic uzrunvelyofs maRalxarisxovan kavSirs aparaturis nonimaluri Rirebulebisas. am standartis bazaze SemuSavebulia ori standarti analoguri N-AMPS da cifruli D-AMPS. AMPS standartis fiWur sistemaSi gamoiyeneba bazuri sadgurebi antenebiT, romelTa mimarTulobis diagramis sigane aris 120 0 da romlebic fiWebis kuTxeebSi montaJdeba. sabazo sadgurebi sakomutacio centrebTan mierTebulia gamtariani xazebiT, maTi meSveobiT gadaicema rogorc salaparako signalebi, aseve sasamsaxuro informacia. abonentisaTvis gadacemuli mmarTveli Setyobinebis sigrZe Seadgens 463 bits. sistemaSi gamoyenebulia SetyobinebaTa miRebis gancalkevebuli meTodi da amis gamo Seicavs or antenas da Sesabamis zolur filtrebs. mimRebi orarxiania, sixSireTa ormagi gardaqmniT TiToeul arxSi. sakontrolo bloki asrulebs sadguris mdgomareobis diagnostikis funqcias. 60 2.3. mobiluri telekomunikaciis TACS standartis sistema TACS standartis fiWuri mobiluri kavSiris sistema (didi britaneTi) igeba radialuri principiT, amasTan, gamoiyeneba sabazo sadgurebis mcire ricxvi. am standartis sistemebSi TiToeuli sabazo sadguri uSualod uerTdeba sakomutacio centrs, romelsac aqvs gadasasvleli saerTo sargeblobis satelefono qselTan (PSTN). agebis principiT, marTvis sistemis organizacii- Ta da sadgurebs Soris SeuRlebiT TACS standartis sistemebi faqtobrivad identuria AMPS standartis sistemisa. ZiriTadi gansxvaveba mdgomareobs arxebis mier dakavebuli sixSireebis zolis siganeSi da sixSiris pikur deviaciaSi. kerZod, Tu AMPS standartis sistemebSi arxis sigane aris 30 khc da sixSiris pikuri deviacia 12 khc, TACS sistemaSi es sidideebi Sesabamisad tolia 25 khc-is da 9,5 khc-is. am sistemaSi gamoiyeneba 1000 dupleqsuri arxi, romelTagan 956 aris salaparako, xolo danarCeni warmoqmnis or jgufs 21 arxiT TiToeulSi, romlebic warmoadgens marTvis arxebs. salaparako arxebSi informaciis (Setyobinebis) gadasacemad gamoiyeneba viwrozolovani sixSiruli modulacia. xolo im arxebSi sadac gadaicema monacemebi, cifruli informaciis analogur signalad gardaqmnisaTvis gamoiyeneba orobiTi sixSiruli manipulacia. cxrilSi 3.3. mocemulia TACS standartSi miRebul sixSireTa deviaciis mniSvnelobebi. 61
- Page 1 and 2: g. murjikneli, g. robitaSvili, T. v
- Page 3 and 4: uak 621. 396. wignSi ganxilulia mob
- Page 5 and 6: 4.1. mobiluri telekomunikaciis mesa
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- Page 27 and 28: amasTan, abonentTa saerTo ricxvi lo
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- Page 31: Cveni azriT, mizanSewonilia, ganvix
- Page 35 and 36: cxr. 3.1. cifruli standartebis maxa
- Page 37 and 38: is neli gadarTviT (wamSi 217 naxtom
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- Page 41 and 42: nax. 3.5. droebiTi monacemebi, roml
- Page 43 and 44: sixSiris Sewyobis droiTi ganmeoreba
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- Page 47 and 48: nax. 3.10. b. cifrul formaSi gardaq
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- Page 51 and 52: _ mobilur abonentTa da sxvadasxva f
- Page 53 and 54: CDMA-s princi pze agebul sistemebSi
- Page 55 and 56: gadacemuli signalis simZlavris zust
- Page 57 and 58: mimReb mxareze Secdomebis pirdapiri
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- 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
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- Page 79 and 80: tis xedvis zonaSi sul ramdenime wam
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2.2. <strong>mobiluri</strong> <strong>telekomunikaciis</strong> AMPS<br />
stan<strong>da</strong>rtis fiWuri sistema<br />
AMPS stan<strong>da</strong>rtis sistema aSS-Si eqspluataciaSi<br />
Sevi<strong>da</strong> 1979 wels. sistema muSaobs 825-890 mhc diapazonSi<br />
<strong>da</strong> gaaCnia 666 dupleqsuri arxi. TiToeuli<br />
arxis sixSiruli zolis sigane tolia 30 mhc-is.<br />
sabazo sadguris ga<strong>da</strong>cemis simZlavrea 45 vt, saavtomobilo<br />
<strong>mobiluri</strong> sadguris _ 12 vt, xolo ga<strong>da</strong>satani<br />
aparaturisa _ 1 vt. stan<strong>da</strong>rtSi gamoyenebulia<br />
rigi originaluri teqnikuri siaxleni, romlebic<br />
uzrunvelyofs maRalxarisxovan kavSirs aparaturis<br />
nonimaluri Rirebulebisas. am stan<strong>da</strong>rtis bazaze<br />
SemuSavebulia ori stan<strong>da</strong>rti analoguri N-AMPS<br />
<strong>da</strong> cifruli D-AMPS.<br />
AMPS stan<strong>da</strong>rtis fiWur sistemaSi gamoiyeneba<br />
bazuri sadgurebi antenebiT, romelTa mimarTulobis<br />
diagramis sigane aris 120 0 <strong>da</strong> romlebic fiWebis<br />
kuTxeebSi montaJdeba. sabazo sadgurebi sakomutacio<br />
centrebTan mierTebulia gamtariani xazebiT,<br />
maTi meSveobiT ga<strong>da</strong>icema rogorc salaparako signalebi,<br />
aseve sasamsaxuro informacia. abonentisaTvis<br />
ga<strong>da</strong>cemuli mmarTveli Setyobinebis sigrZe Seadgens<br />
463 bits.<br />
sistemaSi gamoyenebulia SetyobinebaTa miRebis<br />
gancalkevebuli meTodi <strong>da</strong> amis gamo Seicavs or<br />
antenas <strong>da</strong> Sesabamis zolur filtrebs. mimRebi<br />
orarxiania, sixSireTa ormagi gar<strong>da</strong>qmniT TiToeul<br />
arxSi. sakontrolo bloki asrulebs sadguris<br />
mdgomareobis diagnostikis funqcias.<br />
60<br />
2.3. <strong>mobiluri</strong> <strong>telekomunikaciis</strong> TACS<br />
stan<strong>da</strong>rtis sistema<br />
TACS stan<strong>da</strong>rtis fiWuri <strong>mobiluri</strong> kavSiris<br />
sistema (didi britaneTi) igeba radialuri principiT,<br />
amasTan, gamoiyeneba sabazo sadgurebis mcire<br />
ricxvi. am stan<strong>da</strong>rtis sistemebSi TiToeuli sabazo<br />
sadguri uSualod uerTdeba sakomutacio centrs,<br />
romelsac aqvs ga<strong>da</strong>sasvleli saerTo sargeblobis<br />
satelefono qselTan (PSTN).<br />
agebis principiT, marTvis sistemis organizacii-<br />
Ta <strong>da</strong> sadgurebs Soris SeuRlebiT TACS stan<strong>da</strong>rtis<br />
<strong>sistemebi</strong> faqtobrivad identuria AMPS stan<strong>da</strong>rtis<br />
sistemisa. ZiriTadi gansxvaveba mdgomareobs<br />
arxebis mier <strong>da</strong>kavebuli sixSireebis zolis<br />
siganeSi <strong>da</strong> sixSiris pikur deviaciaSi. kerZod, Tu<br />
AMPS stan<strong>da</strong>rtis sistemebSi arxis sigane aris 30<br />
khc <strong>da</strong> sixSiris pikuri deviacia 12 khc, TACS sistemaSi<br />
es sidideebi Sesabamisad tolia 25 khc-is <strong>da</strong> 9,5<br />
khc-is.<br />
am sistemaSi gamoiyeneba 1000 dupleqsuri arxi,<br />
romelTagan 956 aris salaparako, xolo <strong>da</strong>narCeni<br />
warmoqmnis or jgufs 21 arxiT TiToeulSi, romlebic<br />
warmoadgens marTvis arxebs. salaparako arxebSi<br />
informaciis (Setyobinebis) ga<strong>da</strong>sacemad gamoiyeneba<br />
viwrozolovani sixSiruli modulacia.<br />
xolo im arxebSi sa<strong>da</strong>c ga<strong>da</strong>icema monacemebi, cifruli<br />
informaciis analogur signalad gar<strong>da</strong>qmnisaTvis<br />
gamoiyeneba orobiTi sixSiruli manipulacia.<br />
cxrilSi 3.3. mocemulia TACS stan<strong>da</strong>rtSi miRebul<br />
sixSireTa deviaciis mniSvnelobebi.<br />
61
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