Chii Fiber Optic Access Network Reform muiyo 5G Era?
Isu takaona 5G's bandwidth inowedzera, kunonoka kuderedzwa uye kusimba kutsigira kweInternet yezvinhu. Izvo zvakare zvinounza dambudziko rakakura kune yetsika Optical yekutsvaga network. Kutanga, kune echinyakare mabasa eInternet, iyo bandwidth yevashandisi vefoni inowedzerwa kune 1 ~ 10Gbps. Iko kunonoka kunoderedzwa kusvika ku1 ~ 10ms, iyo yakaenzana neyakagadzirirwa-mutsara optical yekuita kwekuita. Iyo bandwidth uye kunonoka mabhenefiti echinyakare echinyakare yekupinda inorasika pamberi pe5G, uye kuve nyore kwekufamba kunowedzera kuchinjisa kweyemotoriki yakawanda kune ye5G isina waya. Kechipiri, Kune iyo IoT service, iyo 5G IoT ine yakawanda yakafukidzwa, yakanakira basa sevhisi, yakagadzika masangana, nyore kushanda uye kugadzirisa, uye yakaderera mitengo kupfuura yeIoT gate.

Zvinetso nemikana yemikana yekupinda mukati  meiyo nguva
Sezvo ruzivo rwakakosha uye hwokukurukurirana kushandurwa kwedhijitari kwevanhu vese, 5G ichaona kubatana kwezvinhu zvese, nekubatanidza vanhu nemishini, nharaunda, nezvimwe zvakanyanya padhuze uye nenzira kwayo, uye iri nyore, inokurumidza, yakangwara uye yakavimbika. Iyo yekukurukurirana yekukurukurirana ichazotungamira kune hunyanzvi uye shanduko yemaitiro ese enharaunda maitiro, bhizinesi modhi uye mararamiro
Kuenzaniswa ne 4G, 5G inogona kupa masevhisi akasimba, yakaganhurirwa munzvimbo nhatu dzefoni bhizinesi, imwe inokwidziridzwa mobile telebandband (eMBB) ine huwandu hwepamusoro inosvika 10Gbps, uye imwe yacho ndeyekuti huwandu hwehukama hunogona kusvika miriyoni imwe pawerekitita. . Yakabatanidzwa neInternet yezvinhu (mMTC), chetatu chakaderera-latency, yakakwirira-kuvimbika yekukurukurirana (URLLC) nekunonoka-kusvika-kugumisa kunonoka kwe1ms, senge iyo Internet yeVemotokari.
Isu takaona 5G's bandwidth inowedzera, kunonoka kuderedzwa uye kusimba kutsigira kweInternet yezvinhu. Izvo zvakare zvinounza dambudziko rakakura kune yetsika Optical yekutsvaga network. Kutanga, kune echinyakare mabasa eInternet, iyo bandwidth yevashandisi vefoni inowedzerwa kune 1 ~ 10Gbps. Iko kunonoka kunoderedzwa kusvika ku1 ~ 10ms, iyo yakaenzana neyakagadzirirwa-mutsara optical yekuita kwekuita. Iyo bandwidth uye kunonoka mukana wetsika yechinyakare yekupinda inorasika kumeso kwe5G, uye kuve nyore kwekufamba kunowedzera kuchinjisa kutamisa kwakawanda kune iyo 5G isina waya network. Kechipiri, Kune iyo IoT service, iyo 5G IoT ine yakawanda yakafukidzwa, yakanakira basa sevhisi, yakagadzika masangana, nyore kushanda uye kugadzirisa, uye yakaderera mitengo kupfuura yeIoT gate.
Kune rimwe divi, kuvandudzwa kwe5G kunounza mikana mitsva yemagetsi network yekuona. Kutanga, 5G ichishandisa AAU uye DU kupatsanura kuvaka, uye nekuda kwehurefu hwakawanda hwunosvitsa 5G AAU huwandu hukuru, iyo 4G nguva 2 kana anopfuura dzimwe nguva, saka 5G isati yatanga kutumira kweneti inova yakakosha kwazvo, kiyi kune optical fiber zviwanikwa yakaiswa; izvi zvakavakirwa yakakwirira-density kuvharira ODN network, yakaderera mutengo uye nyore kuwana pane zvinodiwa. 5G AAUs, WDM-PON matekiniki anopa huwandu hwakasiyana hwekushandisa. Chipiri, 5G inoshandisa zvikwangwani zvepamusoro-soro, iyo ine kusasimba kumadziro-kune-madziro, uye zvakare kune dambudziko rekushomeka kwebhendwidhi uye kusagadzika kwemhando yekuwana pamucheto wetairesi isina waya. Mukupesana, bandwidth uye mhando yekushandira yevashandisi vekufambisa-yakatarwa vashandisi-yakasununguka vanomira kure. Ndehwe wakakura mukana.
Vashandisi vanogona kufunga nezvezvakanakira zvekubatanidza 5G isina waya yekuwana uye yekutarisa kupinda kuti uite chinowedzera. Ivo vanovimba neakakura ODN fiber zviwanikwa uye yakagadzikana yakakura-bandwidth yekupinda iyo yakavakirwa kune iripo network yekupa vashandisi vane yakagadzikana uye yakavimbika 5G + FTTH maviri-gigabit kupinda.

Optical kupinda network shanduko maitiro uye tekinoroji hotspot
Kuti uwane 5G + FTTH mbiri mbiri Gigabit, iyo Optical yekupinda network inoda kufungidzira nezve shanduko ye wired uye isina waya kutendeuka, iyo ine yakarongedzwa kuronga uye kuvaka, network architecture, uye technical nzira.
Kubva pamaonero ekuronga uye kuvaka, mukuronga fiber network yekuvhara uye kugadzirwa kwekamuri remakomputa, zvinodikanwa kuti ufunge nezve bhizimusi razvino rekuvhara uye kuwedzera bhizinesi ramangwana. Kugadzira nzvimbo yakabatanidzwa yekuwana sevhisi inzira inoshanda, iyo iri pamusoro pekuparadzanisa network yakamisikidzwa, isina waya station station, uye nevemabhizinesi ehurumende, pamwe chete nekuparadzaniswa kwenzvimbo dzekutarisira nenzvimbo dzechisikigo, dhizaini yemugwagwa, kugoverwa kwevatengi. Imwe neimwe yenzvimbo dzakasanganiswa dzekuwana sevhisi inosanganisira ine yakanyanya kufukidzwa yeODN network uye yakabatanidzwa yekushandisa yemakamuri. Iyo yakabatanidzwa yekushandisa michina yekamuri inoshongedza yakatwasuka-mutsara OLT, isina waya BBU / DU, uye tambo yekufambisa midziyo. , kuti uwane nzvimbo yakatarwa yekuchinja.
Kubva pamaonero ekushongedzwa kwetiweki, iyo yekubatanidzwa yekuwana nzvimbo yePOP inowanikwa nevashandisi uye yakakosha nzira yekuziva sevhisi yekuzivikanwa uye kuburitsa gore kune gore. Iyo huru-yakakura-yakabatanidzwa yekuwanikwa kamuri inodzora huwandu hwemakamuri emuchina uye inosangana nezvinodiwa zveweta network network Nekutanga imba yakakwana yekushandisa michina, seyakabatana sevhisi, yemakamuri yekushandiswa, uye nzira dzekushandura, shanduko yemangwana kune SDN network uye kuiswa kweAI kungwara kushanda nekugadzirisa kucharerutsa kwazvo kuvakwa nekushanda kwese kwese meso kupinda network uye kuderedza mashandiro. Mari yebhizinesi.
Munzira yehunyanzvi, kuitira kuti usangane nezvakawandisa zvezviitiko zvemashumiro matsva akadai se 4K / 8K / VR / AR, tambo inokwiridzwa kusvika ku10G PON tekinoroji, uye isina waya inowedzera 5G kuwana kusvika kupfuura 1Gbps bandwidth pamushandisi. Kuburikidza neNFVI masisitimu anonyudza mvumo yekupinda mukamuri yekushandisa uye MEC tekinoroji, yekusangana chaiyo-nguva yepasi-latency bhizinesi inodiwa, kuitisa masevhisi matsva seVR, mota network, kudzora kure
Ukatarisa pakushanda kwakanyanya kweODN fiber zviwanikwa, PON tekinoroji inosimudzira pane-point-to-multipoint architecture inopa dzakawanda hotspot maidhi, kusanganisira WDM-PON tekinoroji ye5G pre-kutapurirana uye 50G PON tekinoroji yakakura bandwidth.
WDM-PON inongedzo -to- multipoint tekinoroji yezvekuvaka (tarira kune iri pazasi). Iyo inoshandisa yakazvimiririra wavelengths kupa akasimba mapayipi kumushandisi wega wega, uye kumhanya kwacho kuri kusvika ku25Gbps, iyo inosangana nezvinodiwa zve5G kutungamira kutapurirana. Panguva imwecheteyo, WDM-PON inoenderana neiyo iripo ODN network inochengetedza musana fiber masisitimu, uye yakakodzera 5G kuvharirwa munzvimbo dzakaputirwa mumaguta. Icho chimwe chezvisarudzo zvakakosha zve5G yekufambisa tekinoroji. Parizvino, WDM-PON ichine matambudziko akadai semutengo wepamusoro uye kuderera kwakadzika kwekushanda kwekushisa mamiriro, ayo anofanirwa kugadziriswa kuburikidza nekambani yeindasitiri.

Iyo inotevera-chizvarwa PON inotora 50G PON tekinoroji, uye ITU-T yakagadzwa muna 2018. 50G PON inotora single-wavelength tekinoroji, inoenderana neXG (S) PON uye GPON, uye inonyatsovandudza uplink kunonoka kuita kuburikidza nekudzikira-latency DBA tekinoroji. Iyo inogona kusangana nezvinodiwa zveimba yakakura bandwidth kuwedzera, uye zvakare inogona kushandiswa kune hurumende uye bhizinesi uye 5G diki base station backhaul. Iyo munda mutsva wakawedzera zvakanyanya kuwanda kwekushandisa kwePON uye ndiyo yakanakisa tekinoroji yekushandura nzira yevanoshanda kuti vashandise zvizere maODN network iripo.
Pfungwa dziri paKugadzira kweAptical Access Network mune iyo  meiyo Era
Musimboti weiyo optical yekupinda network yekuvakwa munguva ye5G ndeyekuvaka kamuri yekubatanidza inopinda mukamuri yakangwara-yekudyidzana nhare yekubatanidza, inosangana nezvinodiwa zvehunyanzvi zvekumhanya, nyore, nyore , akangwara uye akavimbika. Reference test iyo FIG., Ichichengeta iyo yekutanga magetsi magetsi system (inosanganisira backup simba), iyo kesi iyo iyo mhepo-yekudzora inotonhorera system, control system, uye nzira yekushandisa, network yekuwana yakakamurwa kuita mana emukati kamuri anoshanda modules.

-Kubatanidza basa: inoreva kune yemukati network yenzvimbo yekuwanikwa, taura kuSpine-Leaf aratidziro yenzvimbo yedata, simbisa bandwidth yakakura, scalable, uye yakavimbika yemukati yekukurukurirana system yekusangana isina waya DU / wired OLT / uplink transmission / nzvimbo yekupinda NFVI Kukurukurirana bhizinesi kutaurirana uye QoS inovimbisa pakati pezvimisikidzo;
- Access network: inoreva isina waya DU uye wired OLT, iyo inomirira isina waya uye wired yekugadzirisa yekugadzirisa zvakateerana;
-Nharaunda yeNFVI (computer yekuchengetedza basa): Senge  iri kure module yemupendero data EDC,  iyo basa reNVV richimhanya pairi rinotarisirwa neiyo 5G musimboti network yekuve nechokwadi chekugadzirisa nekukurumidza kwepasi-latency chaiyo-nguva masevhisi;
-Kutakura basa: Inopa network-side interface yekuita neruoko kutakura wired uye isina waya traffic; mudziyo wekutapurira unogona kuva OTN, IPRAN kana SPN.
Muchokwadi, huwandu hwekupinda mukamuri yekombuta yakakura, uye mamiriro emuchadenga nenzvimbo zvakatosiyanawo. Iyo capital Investment nemidziyo yekushandurwa kwemidziyo yese yakakura uye basa rakakura. Mukuita kwakananga, idzi nhungamiro nhatu dzinotevera dzinofanira kutariswa zvizere uye kuitiswa nhanho nedanho. Zvishoma nezvishoma akazochinja.
- Openness nheyo: Iyo yekuwana basa, kubatana basa, NFVI zvigadzirwa (komputa yekuchengetedza basa) uye yekufambisa basa mumhepo yekuwana network inofanirwa kutsigira yakavhurika interface; iyo NFVI zvigadzirwa zvezvivakwa zvakagovaniswa neese mabasa uye vashandisi mukamuri yemidziyo. .
- Scalability nheyo: Iwo chaiwo mamiriro ekupinda mukamuri yekushongedza akasiyana zvakasiyana, senge Hardware mamiriro seyenzvimbo yemuchina wekamuri yenzvimbo, magetsi, uye kupisa kupisa; basa rekuwana, basa rekubatanidza, raramo yeNFVI (basa rekuchengetedza makomputa), uye basa rekutapurirana mukamuri yekuwana Crop zvichienderana nezvinodiwa chaizvo zvebhizinesi uye kutsigira kuwedzera kwakanaka nebasa uye nekugona.
- Nheyo yekushanduka-shanduka: Iyo shanduko yemagetsi enzvimbo yekuwana yekushandisa inofanirwa kunge iri pamusoro pekutarisa kwakashata kweiyo iripo michina yekushandisa yezvivakwa. Pasi peimba yekusimbisa mashandiro akajairika emasevhisi aripo, mabasa akakodzera anogona kutorwa nyore nyore zvichienderana nemamiriro ekamuri yekushandisa.
Iyo Optical yekupinda network mune ye5G nguva ichine kukosha kukuru. Zvichienderana nebasa rehungwaru reODN fiber, kuburikidza nekuvakwa kwenzvimbo yekubatanidzwa sevhisi, iyo ine wired uye isina waya yekuwana masevhisi inogona kuenderana nenzvimbo yekamuri yemidziyo, uye kugovera zviwanikwa zvakaita seimba yemuchina uye MEC inogona kuzadzikiswa. Yakasanganiswa pamwe nekuenderera mberi kwekushanduka kwePON tekinoroji uye kuiswa kweSNN & NFV tekinoroji. Kuti uone kushandurwa kwekuchenjera kwekamuri yekubatanidza yekushandisa michina uye kurerutsa kutumirwa kwebasa uye kushanda uye kugadzirisa.