mobiluri telekomunikaciis miwispira da Tanamgzavruli sistemebi

2 B
q 0,
87
Ms
pir ;
xolo uku arxSi
q
2B
B
1,
14
1,75M 1
M - 0,57
2
uku .
s
s
aqtiuri abonentebis fiqsireuli raodenobis SemTxvevaSi
s/x-is Sefardeba pirdapir arxSi mcirea, vi-
2 2
dre uku arxSi q pir q uku . trafikis arxebis raodenoba,
romelic Semodis fiWis seqtorSi, am SemTx-
vevaSi tolia:
0,87B
int
qpir
Ms 2 ,
sadac int[x] _ x ricxvis mTeli nawilia.
Tu simZlavris avtomaturi regulirebis sistema
moqmedebs rogorc MS_ze, aseve BS-ze, maSin s/x-is
fardoba pirdapir arxSi iqneba,
xolo uku arxSi
2B
q 2,
16
q
2
pir
M
;
s
2B
1,75M -1
2
uku ;
s
aqtiuri abonentebis fiqsirebuli raodenobis
SemTxvevaSi s/x-is Sefardeba ukuarxSi ufro
2 2
mcirea, vidre pirdapirSi ( q uku q pir ). trafikis arxebis
raodenoba, romlebic Semodian fiWis seqtor-
Si, am SemTxvevaSi:
40
2B
1
int 1
q
1,
75
.
uku
Ms 2
fiWis seqtorze trafikis arxebis M s raodenobis
da gamoZaxebebis blokirebis P b albaTobis dros,
SeiZleba gaviangariSoT fiWis seqtorSi satele-
fono A s datvirTva erlangis formulis gamoyenebiT:
Ms
A
Pb
i
As
( Ms!
)
i!
s
M s
io
cxr. 1.1-Si mocemulia CDMA sistemaSi erTseqtoriani
da samseqtoriani fiWebis trafikis parametrebis
angariSis Sedegebi Semdegi monacemebisTvis:
informaciis gadacemis siCqare C = 9600 kbit/wm.
makoreqtirebeli kodis siCqare R = 1/2;
signalis baza B = 64;
samisamarTo mimdevrobebis taqturi sixSire
F = 1,2288 mCip/wm.
s/x-is zRvruli Sefardeba q 2 = 7 db;
gamoZaxebis blokirebis albaToba 0.01.
aris SemTxvevebi, rodesac BS-is erTi nawili gadatvirTulia,
xolo meore ara. swored aseT situaciebSi
CDMA-s aqvs kidev erTi Rirseba: Tu erTi
an ramodenime gadatvirTuli fiWis irgvliv arian
naklebad datvirTuli fiWebi, maSin centraluri
fiWebis gatarebis unari izrdeba. es xdeba naklebad
datvirTuli fiWebis mxares urTierTxelSeSlebis
Semcirebis Sedegad.
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