WDM/OTN----An ExcellentChoiceFsau 5gBearerTtshuab
& quot; 5G kev lag luam, tus neeg nqa khoom ua ntej", tus neeg nqa khoom network yog lub hauv paus tseem ceeb ntawm 5G kev lag luam, 5G tus tuav tau dhau los ua lub ntsiab lus kub hauv kev lag luam. Tam sim no, peb tus tswv lag luam loj thiab ntau tus neeg muag khoom tau ua haujlwm nquag hauv 5G tus tuav.
5G fronthaul ntsib qhov kev sib tw ntawm kev tsis txaus ntawm cov khoom siv kho qhov muag
Ntawm" 2017 Optical Communication Technology and Development Forum" tuav lub Cuaj Hlis 6, cov kws tshaj lij los ntawm Lub Tsev Haujlwm Saib Xyuas Kev Tshawb Fawb thiab Kev Sib Txuas Lus, Tuam Tshoj Txawb, Huawei, ZTE, FiberHome thiab lwm tus kws tshaj lij tau tshaj tawm lawv cov kev xav ntawm 5G tus tuav. Ntawm lawv, covOTN-raws li5G kev daws teeb meem ntawm Tuam Tshoj Telecom qhia los ntawm Li Junjie, tus thawj coj ntawm Optical Communication Research Center ntawm Tuam Tshoj Telecom Beijing Research Institute, tshwj xeeb yog qhov muag pom.
5G fronthaul tab tom ntsib qhov kev sib tw ntawm qhov tsis txaus ntawm cov khoom siv fiber ntau. Nyob rau theem pib ntawm 5G, kev sib txuas tsawg zaus tau txais, thiab cov peev txheej fiber ntau xav tau rau 3G / 4G / 5G cov chaw sib koom ua ke. Nyob rau hauv lub mature theem ntawm 5G, high-frequency networking los yog tsawg zaus ntxiv yog yuav tsum tau, thiab ntau fiber ntau yuav tsum tau ntxiv. . Hauv kev teb rau qhov kev sib tw no, WDM thev naus laus zis yog qhov kev siv tau zoo los daws qhov teeb meem ntawm fronthaul.
Rau qhov nruab nrab / backhaul bearer network, OTN muaj qhov loj bandwidth, cov kav dej nyuaj, thiab muaj ob qho tib si optical txheej ib-hop direct nkag thiab OTN ncua kev ua kom zoo dua qub thiab muaj peev xwm hloov pauv, nrog rau kev tswj hwm kev nplua nuj thiab kev ua haujlwm thiab kev saib xyuas. Qhov kawg-rau-kawg OTN networking muaj qhov zoo tshaj plaws Strong kev sib tw kom zoo dua.
Nyob rau theem pib ntawm 5G, kev sib tshuam ntawm ntug kev tsheb me me, tab sis cov kev pabcuam nkag tau muaj ntau haiv neeg thiab cov granularity muaj ntau haiv neeg. Enhanced pob ntawv OTN yog raws li lub siab-bandwidth nyuaj yeeb nkab, uas muab cov txiaj ntsig zoo ntawm OTN thiab kev ua cov pob ntawv kom tau raws li cov kev xav tau sib txawv ntawm ntug DC kev pabcuam.
Hauv 5G lub sijhawm nruab nrab, kev lag luam hauv zos maj mam nce, thiab ib feem ntawm DCI txav mus. Lub sijhawm no, DCI network tau muab faib ua ob txheej. Raws li kev txhim kho pob ntawv OTN kev sib tshuam, nws yog ib qho tsim nyog los ua ke covoptical txheej ROADMrau Mesh interconnection ntawm ntug DCs.
Nyob rau theem tom ntej ntawm 5G, cov ntaub ntawv sib txuas hauv network yog qhov loj, thiab kev teem caij ua lag luam yuav tsum tau ua tiav thoob plaws hauv lub network. Ntau qhov loj ntawm ROADMs siab yuav tsum tau muab xa mus thoob plaws hauv lub network kom ua tiav txhua qhov kev sib txuas ntawm cov ntug DCs thiab cov tub ntxhais DCs kom tau raws li qhov yuav tsum tau ua lag luam qis.
Hauv 5G era, yuav muaj qhov sib txawv xws li nce tus naj npawb ntawm cov chaw nres tsheb, cais kev xa tawm ntawm CU thiab DU, thiab kev sib txuas hauv network. Yog li ntawd, kev hloov pauv tau yooj yim thiab hloov pauv tau thiab xa mus ua haujlwm yuav tshwm sim. Nyob rau tib lub sijhawm, 5G network yog tswj hwm los ntawm kev tsheb khiav mus rau sab qaum teb-sab qab teb, nrog kev txwv kev tsheb mus rau sab hnub tuaj-sab hnub poob. Bandwidth thiab ncua sij hawm yog qhov tseem ceeb ntawm kev sib tw. Cov txheej txheem kho qhov muag xav tau los txhim kho kev ua haujlwm tseem ceeb kom ua tau raws li qhov yuav tsum tau ua kom yooj yim.
