mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
sixSiris neli naxtomebis gamoyeneba SFH (Slow Fregueney Hopping). maTi ZiriTadi daniSnulebaa six- Siruli ganawilebis uzrunvelyofa radioarxebSi, romlebic funqcionirebs radiotalRebis mravalsxivuri gavrcelebis pirobebSi. sixSiris neli naxtomebi gamoiyeneba yvela mobilur qselebSi, rac saabonento sadgurebis neli moZraobisas amaRlebs kodirebisa da Senacvlebis efeqturobas. nax. 3.8. GSM standartSi kavSiris arxebis kombinirebuli TDMA/FDMA sqema 82 neli naxtomebis formirebis princi pi sixSiruli TvalsazrisiT mdgomareobs SemdegSi: Setyobineba, romelic gadaicema abonentisTvis gamoyofili drois intervalSi TDMA – kadrSi 0,577 wm, yovel momdevno kadrSi gadaicema (miiReba) axal fiqsirebul sixSireze (nax. 4.8). kadrebis struqturis Sesabamisad sixSiris gardaqmnisaTvis saWiro dro Seadgens daaxloebiT 1 mwm-s. sixSiris naxtomebis procesSi mudmivad Senar- Cunebulia sxvaoba miRebisa da gadacemis arxebs Soris (nax. 3.8). yvela aqtiur abonents, romlebic erT fiWaSi mdebareobs, eniWeba sixSireTa gadarTvis gadaukveTavi mimdevrobebi, rac gamoricxavs xarvezebs abonentebs Soris Setyobinebis miRebisas. six- SireTa gadarTvis mimdevrobis parametrebi (six- Sirul-droiTi matrica da sawyisi sixSire) moiniSneba yoveli mobiluri sadgurisaTvis damyarebis procesSi. kavSiris arxebi GSM standartSi SeiZleba davyoT fizikur da lokalur arxebad. fizikuri arxi iqmneba signalebis droiTi da sixSiruli dayofis kombinirebis gziT da ganisazRvreba rogorc radiosixSiruli arxebisa (sixSireTa SesaZlo naxtomebiT), ise TDMA-kadris droiTi intervalebis mimdevroba. yoveli gadamtani Seicavs 8 fizikur arxs, gan- Tavsebuls TDMA – kadris 8 droiTi intervalis sazRvrebSi. yoveli fizikuri arxisaTvis yovel TDMA-kadrSi gamoiyeneba erTi da igive droiTi intervali. 83
fizikuri arxis formirebamde cifrul formaSi warmodgenili Setyobinebebi da monacemebi jgufdeba da erTiandeba ori tipis arxebSi: _ kavSiris arxi _ kodirebuli saubrisa da monacemebis gadacemisaTvis; _ marTvis arxi _ marTvisa da sinqronizaciis signalebis gadacemisaTvis. logikuri arxebis Sesabamisi kombinaciisaTvis erTi da imave fizikur arxze SeiZleba moTavsdes erTze meti logikuri arxis tipi. kavSiris logikuri arxebi SeiZleba iyos: _ SetyobinebaTa sruli siCqariT gadacemis arxi (22,8 kbit/wm-TCH/F (Full Rate Traffic Channel); _ SetyobinebaTa naxevari siCqariT gadacemis arxi (11,4 kbit/wm – TCH/H (Half Rate Traffic Channel). logikur kadrebSi gamoiyeneba 26 kadriani multikadri. FAC CH-(Fast Associated Control Channel) marTvis Cqari SeTavsebuli logikuri arxi gamoiyeneba gankargulebaTa gadacemisaTvis mobiluri sadguris fiWidan _ fiWaSi gadasvlisas, e.i. estafeturi gadacemisas. marTvis neli SeTavsebuli logikuri arxi _ SAC CH (Slou Associated Control Channel) gamoiyeneba pirdapir arxSi im signalebis gadacemisaTvis, romlebic saWiroa mobiluri sadguris gadamcemis gamosasvleli donis simZlavris dayenebisaTvis, xolo piriqiT ki _ dayenebuli simZlavris donis Sesaxeb monacemTa gadacemisaTvis. kavSiris srul sixSirul arxSi multikadris yovel me-13 TDMA kadrSi gadaicema SACCH arxis informaciis paketi, amasTan, yoveli 26-e TDMA kadri Tavisufalia. naxevarsiCqariani kavSiris arxSi informaciis igive paketi gadaicema multikadris yovel me-13 da 26-e TDMA- 84 kadrSi (nax. 4.9), ramdenadac srulsiCqariani arxis multikadrSi laparakisa da monacemTa gadacemisaTvis gamoiyeneba 24 TDMA kadri 26-dan da multikadris xangrZlivobaa 120 mwm, amdenad, sainformacio SetyobinebaTa gadacemis siCqare am arxSi Seadgens 22,8 kbit/wm-s. T,t-TDMA kadri arxebis gadacemisaTvis (TCH); CA-TDMA kadri SACCH/T-s gadacemisaTvis; `A~ carieli TDMA kadri. nax. 3.9. kavSiris arxebis gaerTianebis sqema 3.1.3. informaciis dacva da usafrTxoeba aRniSnul standartSi termini `usafrTxoeba~ gulisxmobs sistemis arasanqcionirebuli gamoyenebis dauSveblobas da abonentTa saubrebis gasaidumloebis uzrunvelyofas. GSM standartSi am moTxovnaTa dasakmayofileblad gaTvaliswinebulia Semdegi meqanizmebi: _ autentifikacia; _ monacemTa gadacemis gasaidumloeba; _ abonentis gasaidumloeba; _ gamoZaxebis mimarTulebis gasaidumloeba. 85
- 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
- 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: sixSiris Sewyobis droiTi ganmeoreba
- 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 and 54: CDMA-s princi pze agebul sistemebSi
- Page 55 and 56: gadacemuli signalis simZlavris zust
- 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
fizikuri arxis formirebamde cifrul formaSi<br />
warmodgenili Setyobinebebi <strong>da</strong> monacemebi jgufdeba<br />
<strong>da</strong> erTiandeba ori tipis arxebSi:<br />
_ kavSiris arxi _ kodirebuli saubrisa <strong>da</strong> monacemebis<br />
ga<strong>da</strong>cemisaTvis;<br />
_ marTvis arxi _ marTvisa <strong>da</strong> sinqronizaciis<br />
signalebis ga<strong>da</strong>cemisaTvis. logikuri arxebis Sesabamisi<br />
kombinaciisaTvis erTi <strong>da</strong> imave fizikur<br />
arxze SeiZleba moTavsdes erTze meti logikuri<br />
arxis tipi. kavSiris logikuri arxebi SeiZleba<br />
iyos:<br />
_ SetyobinebaTa sruli siCqariT ga<strong>da</strong>cemis arxi<br />
(22,8 kbit/wm-TCH/F (Full Rate Traffic Channel);<br />
_ SetyobinebaTa naxevari siCqariT ga<strong>da</strong>cemis arxi<br />
(11,4 kbit/wm – TCH/H (Half Rate Traffic Channel).<br />
logikur kadrebSi gamoiyeneba 26 kadriani multikadri.<br />
FAC CH-(Fast Associated Control Channel) marTvis<br />
Cqari SeTavsebuli logikuri arxi gamoiyeneba gankargulebaTa<br />
ga<strong>da</strong>cemisaTvis <strong>mobiluri</strong> sadguris<br />
fiWi<strong>da</strong>n _ fiWaSi ga<strong>da</strong>svlisas, e.i. estafeturi ga<strong>da</strong>cemisas.<br />
marTvis neli SeTavsebuli logikuri<br />
arxi _ SAC CH (Slou Associated Control Channel) gamoiyeneba<br />
pir<strong>da</strong>pir arxSi im signalebis ga<strong>da</strong>cemisaTvis,<br />
romlebic saWiroa <strong>mobiluri</strong> sadguris ga<strong>da</strong>mcemis<br />
gamosasvleli donis simZlavris <strong>da</strong>yenebisaTvis,<br />
xolo piriqiT ki _ <strong>da</strong>yenebuli simZlavris donis<br />
Sesaxeb monacemTa ga<strong>da</strong>cemisaTvis. kavSiris srul<br />
sixSirul arxSi multikadris yovel me-13 TDMA<br />
kadrSi ga<strong>da</strong>icema SACCH arxis informaciis paketi,<br />
amasTan, yoveli 26-e TDMA kadri Tavisufalia. naxevarsiCqariani<br />
kavSiris arxSi informaciis igive<br />
paketi ga<strong>da</strong>icema multikadris yovel me-13 <strong>da</strong> 26-e TDMA-<br />
84<br />
kadrSi (nax. 4.9), ramdena<strong>da</strong>c srulsiCqariani arxis<br />
multikadrSi laparakisa <strong>da</strong> monacemTa ga<strong>da</strong>cemisaTvis<br />
gamoiyeneba 24 TDMA kadri 26-<strong>da</strong>n <strong>da</strong> multikadris<br />
xangrZlivobaa 120 mwm, amdenad, sainformacio<br />
SetyobinebaTa ga<strong>da</strong>cemis siCqare am arxSi Seadgens<br />
22,8 kbit/wm-s.<br />
T,t-TDMA kadri arxebis ga<strong>da</strong>cemisaTvis<br />
(TCH); CA-TDMA kadri SACCH/T-s ga<strong>da</strong>cemisaTvis; `A~<br />
carieli TDMA kadri.<br />
nax. 3.9. kavSiris arxebis gaerTianebis sqema<br />
3.1.3. informaciis <strong>da</strong>cva <strong>da</strong> usafrTxoeba<br />
aRniSnul stan<strong>da</strong>rtSi termini `usafrTxoeba~<br />
gulisxmobs sistemis arasanqcionirebuli gamoyenebis<br />
<strong>da</strong>uSveblobas <strong>da</strong> abonentTa saubrebis gasaidumloebis<br />
uzrunvelyofas. GSM stan<strong>da</strong>rtSi am<br />
moTxovnaTa <strong>da</strong>sakmayofileblad gaTvaliswinebulia<br />
Semdegi meqanizmebi:<br />
_ autentifikacia;<br />
_ monacemTa ga<strong>da</strong>cemis gasaidumloeba;<br />
_ abonentis gasaidumloeba;<br />
_ gamoZaxebis mimarTulebis gasaidumloeba.<br />
85
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