mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
`personaluri kavSiris momsaxureba~ (PCS-Personal Communication Service). am koncefciis realizaciis mizniT, aSS-is telekomunikaciis federalurma komisiam gamoyo sami sixSiruli ubani 1,9-2,0 ghc diapazonSi (farTozolovani PCS) da erTi sixSiruli ubani 900 mhc diapazonSi (viwrozolovani PCS). 1900 wels aSS-is telekomunikaciis sferoSi samrewvelo asociaciam (TIA-Telecommunication Industry Association) daamata erovnuli standarti IS-54 cifruli fiWuri kavSirisaTvis. es standarti ufro cnobilia Semdegi abreviaturiT D-AMDS (Digital AMPS) an ADC. evropisagan gansxvavebiT aSS-Si am standartisaTvis ar gamoiyo axali sixSiruli diapazonebi, amitom sistemebi muSaobs AMPS standartis sistemebis sixSirul diapazonSi. 1991 wels evropaSi GSM standartis bazaze Seiqmna standarti DCS-1800 (Digital Celluar System-1800 mhc). didma britaneTma umalve miiRo es standarti Tavisi koncefciis PCN-is realizaciisaTvis, ramac Tavis mxriv xeli Seuwyo am standartis swraf gavrcelebas mTel msoflioSi. iaponiaSi 1991 wels miRebul iqna standarti JDC (Japanese Digital Cellular), romelic Tavisi parametrebiT axloa amerikul D-AMPS standartTan. 1992 wels germaniaSi eqspluataciaSi Sevida GSM standartis pirveli sistema. 1993 wels did britaneTSi eqspluataciaSi Sevida DCS-1800 standartis qseli. 1993 wels amerikis samrewvelo asociaciam telekomunikaciis sferoSi (TIA) miiRo standarti CDMA (Code Division Multiphe Access _ mravlobiTi SeRweva koduri gancalkevebiT). zemoaRniSnuli cifruli mobiluri sistemebi miekuTvneba meore Taobas. 10 dReisaTvis fiWuri sistemebis ganviTareba xorcieldebaP mesame Taobis sistemebis moTxovnebis Sesabamisad. maTSi gamoiyenebian radioSeRwevis unificirebuli sistemebi, sadac erTiandeba arsebuli fiWuri, `ugamtaro~ kavSiris sistemebi da XXI saukunis sainformacio samsaxurebi. evropaSi am koncefcias ewoda UMTS (Universal Mobile Telecommunications System – mobiluri kavSiris universaluri sistema), romelic gulisxmobs arsebuli cifruli sistemebis SesaZleblobebis gaerTianebas mesame Taobis erTian sistemebSi – FPLMTS (Future Public Land Mobile Telephone System). am SemTxvevaSi abonentebs miewodebaT mobiluri kavSiris standartizebuli momsaxurebebi. saerTo sargeblobis saerTaSoriso mobiluri kavSiris sistemis (FPLMTS) Seqmnis samuSaoebs xelmZRvanelobs telekomunikaciis saerTaSoriso kavSiri (tsk) (ITU – International Telecommunication Union). am sistemisaTvis gamoyofilia sixSiruli diapazoni 1-3 ghc, romelSic stacionaruli sadgurebisaTvis gamoiyofa sixSiruli zoli siganiT 60 mhc, xolo mobilurisaTvis 170 mhc (nax. 1.1). 1990 1991 Ppirveli Taobis sistemebi CT2 inglisuri sistema Telepoint NMT-450 NMT-900 AMPS TACS ETACS Radiocom 2000 1992 1993 meore Taobis sistemebi 1994 GSM telekomunikaciis saerTo evropuli cifruli fiWuri sistema 11 1995 DECT JDC telekomunikaciis iaponuri cifruli fiWuri sistema LMSS amerikuli cifruli sistema ADS mobiluri kavSirisAamerikuli cifruli sistema 1996 Pmesame Taobis sistemebi nax. 1.1. mobiluri fiWuri sistemebis ganviTarebis etapebi FPLMTS 1997
1.2. personaluri radiogamoZaxebis sistemebi didi teritoriis momsaxurebisaTvis iqmneba ise- Ti peijinguri qselebi, romlebic agebulia peijinguri kavSiris sistemebis agebis radiosatelefono fiWuri qselebis analogiurad. fiWuri principi uzrunvelyofs signalebis miRebis saimedobas da saSualebas iZleva gafarTovdes momsaxurebis zona axlad dadgmuli gadamcemi mowyobilobebis racinaluri ganlagebis safuZvelze. fiWur principze agebuli peijinguri qselebis mtavari mtvar problemas warmoadgens mezobeli radiosadgurebis signalebis urTierTgavlena (interferencia) (nax. 1.2). am efeqtis gamosaricxad gamoiyeneba an sinqronuli (Simuclast) mauwyebloba, an gadamcemi Setyobinebebis droiTi gancalkeveba. ganvixiloT es meTodebi awvrilebiT. sinqronuli mauwyeblobis qselebSi gadamcemi musaobs erTdroulad, magram peijeri `ver amCnevs~ maT urTierTzemoqmedebas da rebulobs signals erTi gansazRvruli gadamcemidan. am dros aparaturis fasi SedarebiT SedarebiT maRalia da metad mkacri moTxovnebi waeyeneba kavSiris arxebs. arsebobs sinqronuli mauwyeblobis qselebis agebis sxva variantic, rodesac gadamcemebis marTva xdeba sasamsaxuro (daatebiT) sixSireze. aseT SemTxvevaSi mcirdeba pirdapiri radiokavSiris manZili, rac ZiriTadad ganixileba centraluri gadamcemi sadguris moqmedebis radiusiT, romelic gamoasxivebs signalebis sasamsaxuro sixSireze. msgavsi sistemebis gamoyenebis areali dReisaTvis sakmaod SezRudulia, radgan ufro didi gavrceleba hpoves sistemebma signalebis droiTi gancalkevebiT, rodesac TiToeuli gadamcemi muSaobs misTvis gamoyofili drois 12 nax. 1.2. radiogadamcemebis signalebis urTierTzegavlenis gamartivebuli sqema monakveTSi (drois fanjara). amis gamo, ramdenime gadamcemis moqmedebis zonaSi, peijeri drois mocemul momentSi iRebs signals mxolod erT-erTi maTganidan. es niSvnelovnad amcirebs wayenebul moTxovnebs aparaturisa da kavSiris arxebis mimarT, magram amasTan mcirdeba abonentebis ricxvi, rac ori droiTi fanjaris SemTxvevaSi Seadgens - 10000 abonents da 6500 abonents sami fanjris SemTxvevaSi. arsebobs agreTve did teritoriul qselebSi signalebis dayofis mesame meTodi. igi efuneba peijinguri repitorebis gamoyenebas. am SemTxveva- Si TiToeuli sabazo sadguri Setyobinebebis mimRebiTaa, romlebic muSaobs erT sixSireze. mezobeli sadgurebidan signalebis gadacemis Setyobinebebi miiReba mimRebis mier da grovdeba specialur buferul mowyobilobaSi. amis Semdeg mocemuli sabazo 13
- 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: teritoriis garkveul ubnebad dayofis
- 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 and 54: CDMA-s princi pze agebul sistemebSi
- Page 55 and 56: gadacemuli signalis simZlavris zust
- Page 57 and 58: mimReb mxareze Secdomebis pirdapiri
1.2. personaluri radiogamoZaxebis <strong>sistemebi</strong><br />
didi teritoriis momsaxurebisaTvis iqmneba ise-<br />
Ti peijinguri qselebi, romlebic agebulia peijinguri<br />
kavSiris <strong>sistemebi</strong>s agebis radiosatelefono<br />
fiWuri qselebis analogiurad. fiWuri principi<br />
uzrunvelyofs signalebis miRebis saimedobas <strong>da</strong><br />
saSualebas iZleva gafarTovdes momsaxurebis zona<br />
axlad <strong>da</strong>dgmuli ga<strong>da</strong>mcemi mowyobilobebis racinaluri<br />
ganlagebis safuZvelze. fiWur principze<br />
agebuli peijinguri qselebis mtavari mtvar problemas<br />
warmoadgens mezobeli radiosadgurebis<br />
signalebis urTierTgavlena (interferencia) (nax.<br />
1.2). am efeqtis gamosaricxad gamoiyeneba an sinqronuli<br />
(Simuclast) mauwyebloba, an ga<strong>da</strong>mcemi Setyobinebebis<br />
droiTi gancalkeveba. ganvixiloT es<br />
meTodebi awvrilebiT.<br />
sinqronuli mauwyeblobis qselebSi ga<strong>da</strong>mcemi<br />
musaobs erTdroulad, magram peijeri `ver amCnevs~<br />
maT urTierTzemoqmedebas <strong>da</strong> rebulobs signals<br />
erTi gansazRvruli ga<strong>da</strong>mcemi<strong>da</strong>n. am dros aparaturis<br />
fasi Se<strong>da</strong>rebiT Se<strong>da</strong>rebiT maRalia <strong>da</strong> metad<br />
mkacri moTxovnebi waeyeneba kavSiris arxebs. arsebobs<br />
sinqronuli mauwyeblobis qselebis agebis<br />
sxva variantic, rodesac ga<strong>da</strong>mcemebis marTva xdeba<br />
sasamsaxuro (<strong>da</strong>atebiT) sixSireze. aseT SemTxvevaSi<br />
mcirdeba pir<strong>da</strong>piri radiokavSiris manZili, rac ZiriTa<strong>da</strong>d<br />
ganixileba centraluri ga<strong>da</strong>mcemi sadguris<br />
moqmedebis radiusiT, romelic gamoasxivebs signalebis<br />
sasamsaxuro sixSireze. msgavsi <strong>sistemebi</strong>s gamoyenebis<br />
areali dReisaTvis sakmaod SezRudulia,<br />
radgan ufro didi gavrceleba hpoves sistemebma<br />
signalebis droiTi gancalkevebiT, rodesac TiToeuli<br />
ga<strong>da</strong>mcemi muSaobs misTvis gamoyofili drois<br />
12<br />
nax. 1.2. radioga<strong>da</strong>mcemebis signalebis<br />
urTierTzegavlenis gamartivebuli sqema<br />
monakveTSi (drois fanjara). amis gamo, ramdenime ga<strong>da</strong>mcemis<br />
moqmedebis zonaSi, peijeri drois mocemul<br />
momentSi iRebs signals mxolod erT-erTi maTgani<strong>da</strong>n.<br />
es niSvnelovnad amcirebs wayenebul moTxovnebs<br />
aparaturisa <strong>da</strong> kavSiris arxebis mimarT, magram amasTan<br />
mcirdeba abonentebis ricxvi, rac ori droiTi fanjaris<br />
SemTxvevaSi Seadgens - 10000 abonents <strong>da</strong> 6500<br />
abonents sami fanjris SemTxvevaSi.<br />
arsebobs agreTve did teritoriul qselebSi<br />
signalebis <strong>da</strong>yofis mesame meTodi. igi efuneba<br />
peijinguri repitorebis gamoyenebas. am SemTxveva-<br />
Si TiToeuli sabazo sadguri Setyobinebebis mimRebiTaa,<br />
romlebic muSaobs erT sixSireze. mezobeli<br />
sadgurebi<strong>da</strong>n signalebis ga<strong>da</strong>cemis Setyobinebebi<br />
miiReba mimRebis mier <strong>da</strong> grovdeba specialur buferul<br />
mowyobilobaSi. amis Semdeg mocemuli sabazo<br />
13
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