Mạng 3G và những thách thức trong tương lai

GHI NHAN TRAO DOI<br /> <br /> <br /> <br /> <br /> Mang 3G va<br /> nhung thach thirc<br /> trong tirong lai<br /> TurnSm 2007, dung lu'dng 3G da tang nhanh, bin se tiep tuc tang. 8 yeu td duge xem li dbng luc<br /> trong tu'dng lai xu hu'dng nay se tiep tuc gia thiie day sir 0 a tang luu lugng 3G bao gdm:<br /> t i n g hdn nffa. Do dd, cac nha khai thac 3G se<br /> Ngu&i sti dung chuyen ddi tti cac dich vu 2/2.SG<br /> phai ddi m | t nhihig thach thu'c Idn dang tiem<br /> lenSG<br /> an, trong dd thieu hut dung lu'dng la mot van<br /> a hau het cac thi trabng, mbt phan Ibn khach<br /> de. Oe giai quyet bai toan nay, cac nha khai<br /> hing van dang su dung cie mang 2G (GSM li ehu<br /> thac can phai dau tir xay dimg them nhieu<br /> yeu). Nhung trong 5 nim tbi, cic khich hing 2G<br /> tram gdc mdi va xin cap phep them phd tan.<br /> cua eie nhi dang khai thic 3G Men thbi se chuyen<br /> Odng thdi, ho cung can phai cd quyet sach kjp<br /> sang eae dieh vu 3G.<br /> thdi da diTa ra nhu'ng phu'dng thirc bo sung<br /> de phan phdi cac dich vu tdi nhihig ngu'di sir Mtic thim nhap cua cae modem USB vi eae the<br /> dung di ddng, n h i m siT dung hieu qua cac duMeu tang<br /> diem truy cap WLAN, cac giai phap quang ba Mite tham nhip eua cie modem USB hd trg cic<br /> di ddng va tai bien (sideioading). dieh vu bing rdng di dgng se tie dbng dang ke<br /> den khdi lugng luu lugng 3G. Sir thim nhap cua cic<br /> modem vi cie the dir Ueu tai cic qude 0a tren the<br /> 8 YEU TO THUC DAY TANG T R U O N G<br /> 0bi se thiic day luu lugng 3G tang tradng ding ke.<br /> Ll/U LU'ONG 3G TRONG T U O N G LAI<br /> Mtic tham nhap cua dien thoai thdng minh tang<br /> Trong vbng 5 nam tbi, dung lugng mang 3G ve co<br /> nhanh<br /> <br /> <br /> <br /> TAP CHI CNTT&TT KY 1 (7.2010) 51<br />  GHI NHAN TRAO OOI<br /> <br /> Vbi su thinh ebng eiia cac loai dien thoai thbng nMeu ngubi su dung, ddng thbi thiie day tang luu<br /> minh nhu Apple IPhone, sd lugng dien thoai bin ra lugng dung lugng 3G.<br /> da vi dang tang nhanh theo timg nim, trong tuong Tang tinh sin sing eua cic img dung du Meu tren<br /> lai sir ting tradng niy vin cbn tiep tue. Theo du bio, dien thoai thong minh<br /> den nim 2014 sd dien thoai thbng mmh tren toin<br /> Lgi ieh eua viee md rdng eie img dung dugc nMeu<br /> cau se tang gan ba lin so vbi con sd da cb trong<br /> ngubi su dung tten eie tMet bi 3G (vi du nhu radio<br /> nim 2008. Theo cbng bd mbi day ciia T-Moblle, sd<br /> Uitemet, catch- up TV, vi YouTube) se thiic day su<br /> ngubi su dung iPhone tray cap vio trang Web nMeu<br /> 0 a tang luu lugng dung lupng 3G. Su xuat Men kho<br /> hon khoing 30 den 40 lan so vbi nhiing ngubi su<br /> img dung App Store ciia Apple 0up nhiing ngubi su<br /> dung dil Ueu di dbng khie.<br /> dung IPhone de ding lua chpn vi tai cic img dung.<br /> Sir tang nhanh cie g&i dich vu cd mtic eudc cd Tmh den thing 4/2009 da cb 1 ty img dung dugc<br /> dinh tii xudng tit App Stcre.<br /> Gii cube dil Ueu dl ddng ddi vbi eie dieh vu can Gia ting sti dung cae tiiiet bi 3G trong nhi<br /> nMeu luu lugng (traffle-uitensive) dang ngiy cing Hien nay, sd khich hing sir dung dien thoai di<br /> phii hgp hon eho khich hing. Cic nhi mang da dua ddng de thuc Men cude ggi thay vl dien thoai cd<br /> ra mbt loat eae gbi 0eh vu eb mite cube cd dinh cho dinh ngiy cing tang. Vi rat nhieu ngubi trong sd<br /> dien thoai thbng minh vi bang rbng di dgng, vbi db tray cap eie dich vu Intemet vi da phuong tien<br /> nhiing hinh thitc su dung vi phan phdi hing thing bing dien thoai, thim cM ci cic dich vu 0dng nhu<br /> phong phii hon. Ddng thbi, 0a cube mbt sd dieh vu kM sir dung tren miy tiiih PC. Tai Phap cb tbi 40%<br /> bing rbng dl dbng ciing 0im. Do db, khich hing hp 0a dinh da su dung MobUe TV.<br /> ngiy cing chap nhin vi su dung cac 0eh vu bang<br /> rbng dl dbng nhu li mbt lua chpn khac thay cho<br /> bang rbng ed dinh. NHAN BIET VA XAC D I N H CAC LOAI<br /> LU'U LLTONG 3G TRONG T U O N G LAI<br /> Thay ddi cic loai hinh dich vu, hudng tdi cic dich<br /> vu dugc nhieu ngu&i su dung De 0 i i quyet bii toin ve sir 0 a ting luu lugng 3G<br /> trong tuong lai, viec xic dinh sd lugng luu lugng 3G<br /> Trabc kM cic dieh vu bing rbng dl dbng vi MobUe<br /> li can IMet. Tuy nMen, van de niy khi phite tap,<br /> TV dugc 0bi tMeu, eie dich vu pM thoai nhu tii<br /> do luu lupng trayen din bdi 3G bi anh hudng bdi<br /> thbng bio vin bin, cie trb choi vi xem ludt min<br /> nMeu yeu td, bao gdm:<br /> Mnh nhd (WAP) da cMem uu the, do eic dich vu niy<br /> khbng su dung nMeu tii nguyen mang. Tuy nMen, - Sd lugng tdng the eic tMet bi 3G<br /> vbi su thim nhip nhanh cua eie modem USB vi - Kieu cua tMet hi 3G da su dung, cie dien thoai<br /> dien thoai thbng minh, cie loai hinh dich vu di ddng eg bin, eie dien thoai thbng mmh, eac modem USB<br /> se tiep tue thay ddi ding ke. Tuong lai, cic 0eh vu vi cie the dii Ueu<br /> di ddng nhu xem video, lubt web min Mnh day du - Sd ngubi su dimg cic dich vu vi mite su dung cu<br /> se eb ty le ngubi sii dung eao hon. the cua eie 0ch vu db<br /> Ning cao hieu nang cua cac mang te bio - Cubng dp luu lugng cua mdi dich vu (vbi su khac<br /> Nhimg cbng nghe eii tien eiia 3G rihu HSPA+ vi nhau khi Ibn 0iia cic dich vu)<br /> LTE se mang lai eho nhiing ngucri su dung tdc do tdi - Su phin cMa su dung ttong nhi vi ngoii ttbi<br /> da eao hon nMeu, do db hd ttg tdt vbi cic dieh vu + Ty le sii dung dich vu khbng day ttong nhi dugc<br /> <br /> <br /> <br /> 5 2 I TAP CHi CNTT&TT KY 1 (7.2010)<br />  GHI NHAN TRAO O O I<br /> <br /> Service mix Tnmc Service<br /> Intensity delivery<br /> penetration of services methods<br /> Take-up of each<br /> W Take-up of each wrvicebj'Mfh Split oflnffif<br /> Tdkv-ijpor3C Traffic<br /> device acrojj dfhver,-<br /> T>*<br /> consutnprlonol<br /> different 1 for diffiprFnc mrthcxls for pach<br /> Usage ofeach each senice on<br /> maric^ts and 1 m i r k e u and sorviee on *jch<br /> ser^'iceoneach each device<br /> operaion K opentors<br /> device<br /> <br /> <br /> Voica M r v k « i<br /> CSvoKc<br /> VoIP VoIP<br /> OvM-all<br /> Mirrlpu 1 BMkpta»aM 1<br /> pMirtrarioD DMiMrvk** DMaMnricM<br /> Messaging Messagin£<br /> syslrmi<br /> MlgnlloD Email Email<br /> 1 SjniLr!tp!b9n 3G mocrocall<br /> broadcasting Sld«lo*dInt<br /> iDDct..ui.iini baiaitations<br /> WLAN F«ml«c«lt|<br /> <br /> <br /> <br /> <br /> Hinh 2: Cac phuong phap de phan<br /> phoi cac dich vu yd ngi dung tbi cac thiet bi 3G<br /> <br /> truyen din bbi eac he thong trong nhi chuyen bbt cic luu lupng mi thuc te nhiing ngubi su<br /> + Ty le npi dung 0ch vu duac dua vio eic tMet hi dung di dpng 3G tao ra sang eac mang khie. Hinh<br /> mobile 3G tit ben ngoii 2 dua ra mbt so phuang phip bo sung de phin phdi<br /> - Tinh sin sing eua eic mang qnang bi de phin eie dich vu 3G. Trong db, eie ebng nghe quang hi<br /> phoi bat ky mpt kieu nbi dung nio db nhu TV, radio di dbng nhu DVB-H, DMB, MB vi MediaFLO dupe su<br /> vi ty le nbi dung da phuong tien mi nb dugc dua dung de eung cap nbi dung da phuong tien (die biet<br /> vio cic mang quang b i li Mobile TV vi radio) eho cic tMet hi 3G eb trang<br /> bi cic miy thu quang b i iMch hop. Ngoii ra, eic<br /> Viec xic dinh chinh xic dung lupng luu lupng mi<br /> he thong trong nhi (cic diem truy cap WLAN hoac<br /> cic mang 3G phii truyen din se 0up cie rihi khai<br /> femtoeell) eiing duac su dung. Mb hinh niy 0up<br /> tl ac eb the ip dung eic 0ai phip ebng nghe nhim<br /> <br /> <br /> <br /> TAP CHI CNTT&TT KY 1 ( 7 . 2 0 1 0 ) 53<br />  GHI NHAN TRAO O O I<br /> <br /> <br /> phan phoi cac iing dung 3G Meu qua, dong thbi khai nhung cbng nghe niy. Theo db, cb hon 30 nhi<br /> ttarih su dung toi da dung lupng ciia cac mang 3G. khai thic cam ket sin sing trien khai LTE.<br /> Mot n6t die trung rat quan ttpng eua nhiing cbng<br /> CAC MANG 3G TIEP TUC CHIU SU'C nghe 3G eai tien do phit tiien tir HSPA len LTE li<br /> EP VE DUNG LUgNG BAT CHAP NHU'NG viee ting ding ke cic tdc du Ueu dinh. Trong db<br /> CONG NGHE CUA 3G CAI TIEN ttam gdc cd ging tdi da lde do dO tbi nhirng ngubi<br /> sii dung dau cuoi ttong cie dieu kien vb tuyen tot<br /> Hien nay, nMeu nhi khai thac dang quan tim tbi<br /> nhat (vi du, nhiing ngubi su dung di dbng a rat gan<br /> eie ebng nghe 3G cal tien nhim nang cao dung<br /> vbi ttam goc). Tuy nMen, vbi eie ebng nghe 3G cai<br /> lupng mang de hb ttg vi dip itng cic yeu eau ve luu<br /> tien, nhiing ngubi su dung di dpng vin cb the nhan<br /> lupng ttong tuong lai. Bang 1 dua ra mpt sd cbng<br /> dugc cie dieu kien tin Meu yeu.<br /> nghe 3G eai tien.<br /> Nhung cbng nghe 3G cat tien se cung cap cho<br /> nhiing ngubi sir dung toe dp toi da cao hon nMeu. MOT SO NHA KHAI THAC 3G SE PHAI<br /> Do db ho ttg tot hon cac dich vu nMeu ngubi su DOI MAT VOI CAC VAN DE DUNG LU'Q'NG<br /> dung, dong thbi thiic day tang dung lugng luu lupng TRONG NAM 2010<br /> 3G. Mb Mnh du bio a Hinh 3 cho thay cb su khic<br /> Trong kM HSPA di duge trien khai tren dien rpng nhau ding ke trong quan diem doi vbi eic nhi khai<br /> (bbi hon 95% eua cie nhi khai thic WCDMA), Men thic 3G khie nhau. Do cic mang HSPA khbng dip<br /> nay moi quan tam eiia eie nhi khai thic dl dbng ling dugc nhiing yeu cau ve dung lugng Men tai,<br /> dang tip tnmg vio HSPA+ vi LTE. Nam 2009, mot nen mot so rihi khai thic se phai ddi mat vbi nhiing<br /> sb eie nhi khai thic 3G (Mobilkom, Telecom Italia, van de ngMem ttpng dong thbi lai phai duong dau<br /> Vodafone vi AT&T) da cbng bo eie ke hoach trien vbi nhirng yeu cau luu luong mbi ttong tuong lai.<br /> <br /> Bing 1: Nhung cong nghe 3G cai tign<br /> Technology Description Peak downlink speed Peak uplink speed per<br /> peruser user<br /> <br /> W