CONG NGHE - GIAI PHAP<br />
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i H I | l ! A \ § S M U i l M i O ' ; ! Giail phap hifuj quai)<br />
chPitiii'eiiikhail Si QU 0.^liQ] €1111 PHi WB^<br />
Cac nhi cung cip dich vu tmyen thdng (CSP) dang cluu ip luc ngiy cang ldn<br />
* de cat 0im ehi phi/bit trong phin phdi bang rdng di ddng va tang cudng hieu<br />
qui boat ddng. Nguyen nhan ehinh li do subungnd cua luu lupng dQheu, chay<br />
dua 0am 0i cudc vi cic didu khoin chat che vd vimg phu sdng vi dung luong<br />
mi cie eo quan quan ly dua ra. Chia se ha tang mang chinh la mdt phuang phap<br />
huu hieu de ning cao hieu qua va 0im chi phi phan phdi bang rdng di ddng.<br />
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CAC TIEP CAN CHIA SE J^IANG<br />
Chia se mang gdm 3 hinh thue ehinh: chia se RAN Trong khi dd, chia se mang tmy cap vd toydn<br />
thu ddng, chia se FLAN chu ddng vd chia se dua tren (RAN) ehu ddng lai chia se hdu bet he thdng tmy<br />
chuyen vung (Hinh 1). nhdp vd toydn, didu khien, tmydn tai va quan ly<br />
mang, bao gdm cd chia se bang thdng vd tdn sd<br />
Chia se thu ddng ed nghia Id chia se cae tram vat<br />
thdm ehi ca mang ldi. Tidp can ndy hdi hdi vide thue<br />
ly vd eac thdnh phdn thu dpng nhu cdt anten, cap<br />
hien quyet dinh chung trong ddu tu, van hdnh va<br />
tiep sdng, ngudn didn, he thdng sao luu vd lam mat.<br />
quan ly.<br />
Lpi ich ehu yeu la giam ehi phi thud vd xdy dung<br />
tram. Do dd mdi CSP phai ddu to ridng phdn ldn Trong chia se dua tren chuyen vimg (roaming),<br />
thidt hi backhaul vd vd toydn, toy nhidn hp ed todn cde khdch hang cua mdt CSP ed the ehuyen viing<br />
quydn Mem soat cde tdi nguyen eua minh. Udn thdng ttong mang cua mdt CSP "ehu". Tiep can<br />
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CWa se traiit RAN thu<br />
dong<br />
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Cilia s^ dua tren chuyen<br />
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Cilia se K \^^ chu