mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi
fiWis moculoba simZlavris marTvisas. Tu davuSvebT rom qselis yvela sabazo sadgurisaTvis: _ TiToeul fiWaSi SesaZlebelia trafikis M arxis gamoyeneba; _ gavrcelebis rTuli pirobebis gamo miRebuli signali damokidebulia mobilur abonentsa da sabazo sadgurs Soris daSorebis m-ur xarisxze; _ P R simZlavre, romelsac asxivebs sabazo sadguri erT kodur arxSi, SeirCeva imdagvarad, rom uzrunvelyos miRebuli signalis saWiro done fi- Wis sazRvarze; sabazo sadgurebis antenebi moqmedeben horizontalur sibrtyeSi. maSin, nebismieri mobiluri abonentebisaTvis lokaluri fiWis SigniT SesaZlebelia Caiweros gamosaxuleba (2.1) garemomcveli mezobeli fiWebis sxvadasxva ricxvisa da fiWaSi abonentis ganlagebis sxvadasxva SemTxvevisaTvis. SemTxveva, rodesac abonenti ganlagebulia Tavisi fiWis sazRvarze, mocemulia literaturaSi. ganvixilod ufro zogadi SemTxveva. vTqvaT lokaluri fiWis j-uri abonenti imyofeba fiWis SigniT nebismier adgilze da mis kodur arxs eniSneba sim- Zlavre Semdegi wesis Sesabamisad: Pj PR ( rj / R) , (1.2) sadac r _ manZilia bazuri sadguridan (bs) j-iur j abonentamde. cxadia, rom nebismier SemTxvevaSi - romeliRac dadebiTi ricxvia. maCvenebeli arsebiTad damokidebulia gavrcelebis pirobebze da icvleba 2-dan (praqtikulad Tavis- 46 ufali sivrce) 6-mde (pirdapiri xilvadobis ar arseboba Senobis SigniT). konkretuli Sedegebis mis- aRebad davuSvaT, rom β =2. vaCvenoT, rom simZlavris marTvisas qselSi jamuri interferenciis saSualo mniSvneloba fiWebis usasrulo ricxvisas arsebiTad mcirea mniSvnelobaze, romelic miiReba sim- ZlavriT marTvis sqemis gamoyenebis gareSe. es sa- Sualebas iZleva gaizardos abonentTa dasaSvebi ricxvi TiToeul fiWaSi. davuSvaT, rom M mobiluri abonenti, romliTac mocemuli bazuri sadguris lokaluri fiWis M arxi emsaxureba, SemTxveviT da Tanabrad aris ganawilebuli fiWaSi. viRebT ra, rom fiWas aqvs wris forma, davyoT igi rgolebad saSualo radiusiT r q , 0 < r q < R, q=1,2,...Q, sadac Q _rgolebis ricxvia, romelic mTlianad faravs lokaluri fiWis farTobs. abonentebis saSualo ricxvi M q , romelic q nomris rgolSi aRmoCndeba: Mq γ rq , 0 rq R, sadac γ _ proporciulobis koeficientia da M Q q 1 M q . Tu davuSvebT, rom yvela abonentebs, romlebic imyofebian rgolSi q nomriT, simZlavris marTvis kanonis Sesabamisad eniWebaT simZlavre P q , maSin jamuri simZlavre P t , gamosxivebuli lokaluri fiWis bs-is mier: R 3 2 r R P t PR γ dr P 2 Rγ . (1.3) R 4 0 47
amasTan, abonentTa saerTo ricxvi lokalur fiWaSi: 2 R M Mq γ . (1.4) 2 Q q1 CavsvaT (2.3) (2.4)-Si miviRebT: PR Pt M . 2 . (1.5) Tu simZlavris marTva ar xdeba, maSin TiToeul kodur arxs eniSneba erTi da igive simZlavre P . R am SemTxvevaSi bs-is jamuri gamosxivebuli simZlavre: MP P . (1.6) t R (2.5) da (2.6) gamosaxulebebis Sedarebidan gamomdinareobs, rom simZlavris marTvis kanonis Sesabamisad, β 2 dros, jamuri simZlavre, gamosxivebuli erTi bs-is mier, mcirdeba 2-jer. Tu ugulvebelvyofT interferencias mezobeli fiWebidan, maSin bs-idan r 0 manZilze ganlagebuli mobiluri sadgurisTvis signalis interferenciul xelSeSlebTan fardobis miaxloebiTi mniSvneloba: C I 2 PR ( r0 / R) r0 ( r0 / R) P R 0 ( M 1) / 2r M / 2 48 2 . l=3 4 3 0 r0 2 a n 5 A nax.1.14. 49 6 C(n,k) r(n,k,l) dabrkolebebis donis gamosaTvlelad mezobeli fiWebidan, magaliTad, nax. 1.14-ze mesame rgolSi ganlagebulebidan (ma-is mdebareoba am naxazze miTiTebulia mcire rgoliT eqvskuTxa fiWaSi nomriT 0), SemovitanoT Semdegi aRniSvnebi: n -iT aRvniSnoT im fiWebis rgolis nomeri, romlebic gars ertymian lokalur fiWas nomriT 0, n=1,2,..., (magaliTad, rgolSi nomriT 1 ganlagebulni arian fiWebi nomrebiT 1-6); a 2 -iT aRvniSnoT manZili eqvskuTxedis mwvervals, romlis gverdebi aerTeben mesame rgolis (nax. 1.12-ze gamosaxulia punqtiriT) da lokaluri b B 1 l=0 C
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- 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: SesaZlebelia abonentTa maqsimaluri
- 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
- 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
amasTan, abonentTa saerTo ricxvi lokalur<br />
fiWaSi:<br />
2<br />
R<br />
M Mq<br />
γ . (1.4)<br />
2<br />
Q<br />
<br />
q1<br />
CavsvaT (2.3) (2.4)-Si miviRebT:<br />
PR<br />
Pt<br />
M .<br />
2<br />
. (1.5)<br />
Tu simZlavris marTva ar xdeba, maSin TiToeul<br />
kodur arxs eniSneba erTi <strong>da</strong> igive simZlavre P . R<br />
am SemTxvevaSi bs-is jamuri gamosxivebuli<br />
simZlavre:<br />
MP P . (1.6)<br />
t<br />
R<br />
(2.5) <strong>da</strong> (2.6) gamosaxulebebis Se<strong>da</strong>rebi<strong>da</strong>n gamomdinareobs,<br />
rom simZlavris marTvis kanonis Sesabamisad,<br />
β 2 dros, jamuri simZlavre, gamosxivebuli<br />
erTi bs-is mier, mcirdeba 2-jer.<br />
Tu ugulvebelvyofT interferencias mezobeli<br />
fiWebi<strong>da</strong>n, maSin bs-i<strong>da</strong>n r 0 manZilze ganlagebuli<br />
<strong>mobiluri</strong> sadgurisTvis signalis interferenciul<br />
xelSeSlebTan fardobis miaxloebiTi mniSvneloba:<br />
C<br />
I<br />
2 <br />
PR<br />
( r0<br />
/ R)<br />
r0<br />
( r0<br />
/ R)<br />
<br />
P<br />
<br />
R<br />
0<br />
<br />
( M 1)<br />
/ 2r<br />
M / 2<br />
48<br />
2<br />
.<br />
l=3<br />
4<br />
3<br />
0<br />
r0<br />
2<br />
a n<br />
5<br />
A<br />
nax.1.14.<br />
49<br />
6<br />
C(n,k)<br />
r(n,k,l)<br />
<strong>da</strong>brkolebebis donis gamosaTvlelad mezobeli<br />
fiWebi<strong>da</strong>n, magaliTad, nax. 1.14-ze mesame rgolSi<br />
ganlagebulebi<strong>da</strong>n (ma-is mdebareoba am naxazze<br />
miTiTebulia mcire rgoliT eqvskuTxa fiWaSi<br />
nomriT 0), SemovitanoT Semdegi aRniSvnebi: n -iT<br />
aRvniSnoT im fiWebis rgolis nomeri, romlebic<br />
gars ertymian lokalur fiWas nomriT 0, n=1,2,..., <br />
(magaliTad, rgolSi nomriT 1 ganlagebulni arian<br />
fiWebi nomrebiT 1-6); a 2 -iT aRvniSnoT manZili<br />
eqvskuTxedis mwvervals, romlis gverdebi aerTeben mesame<br />
rgolis (nax. 1.12-ze gamosaxulia punqtiriT) <strong>da</strong> lokaluri<br />
b<br />
B<br />
1<br />
l=0<br />
C
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