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Luya kwenza ntoni iFibre Optic Fikelela iNethiwekhi kuHlelo lwe-5G?

Luya kwenza ntoni iFibre Optic Fikelela iNethiwekhi kuHlelo lwe-5G?

Luya kwenza ntoni iFibre Optic Fikelela iNethiwekhi kuHlelo lwe-5G?
Sibonile ukwanda kweebhendi ze-5G, ukunciphisa ukulibaziseka kunye nenkxaso eyomeleleyo ye-Intanethi yezinto. Ikwabangela umceli mngeni omkhulu kunxibelelwano lwendabuko lokufumana. Okokuqala, kwiinkonzo zesintu ze-Intanethi, ububanzi bebhendi babasebenzisi bonyuswe ukuya kwi-1 ~ 10Gbps. Ukulibaziseka kuncitshisiwe kuye kwi-1 ~ 10ms, elingana ngokusetyenzwa komgca wokusebenza okungasasebenziyo. I-bandwidth kunye nokulibaziseka kokungena kokukhanya kwendabuko kulahlekile ebusweni be-5G, kwaye ukulula kokuhamba kuya kwandisa ukugqithiswa kwezithuthi ezininzi kwinethiwekhi ye-5G engenacingo. Okwesibini, kwinkonzo ye-IoT, i-5G IoT inegubungelo elibanzi, ukuhanjiswa kweenkonzo ngokulula, iindlela ezinqamlezileyo, ukusebenza okulula kunye nokulungiswa, kunye neendleko eziphantsi kunesango le-IoT.

Imingeni kunye namathuba lothungelwano ufikelelo enombala kwi  5G  era
Njengoko ulwazi nonxibelelwano iziseko ibaluleke kakhulu inguqu yedijithali yoluntu lonke, 5G uya kuqonda unxulumano oluphakathi zonke izinto, kunye nabantu Connect kunye oomatshini, okusingqongileyo, njl ngokusondeleyo kakhulu kwaye ngokufanelekileyo, kwaye kufanelekile, ngokukhawuleza, kukrelekrele kwaye kunokuthenjwa. Unxibelelwano lonxibelelwano luza kukhokelela kwimbono kunye nokuzivelela kwayo yonke imveliso yoluntu lonke, imodeli yeshishini kunye nendlela yokuphila.
Xa kuthelekiswa ne-4G, i-5G inokubonelela ngeenkonzo ezomeleleyo, zahlulelwe ukuba zibe kwindawo ezintathu zeshishini lefowuni, enye yonyuswe i-mobilebandband (EMBB) ngereyithi yokufika kwi-10Gbps, kwaye enye yeyokuba inani lonxibelelwano linokufikelela kwisigidi esinye kwikhilomitha nganye. . Ixhunyiwe kwi-Intanethi yeZinto (mMTC), okwesithathu kukuhamba kancinci, ukunxibelelana okuphezulu (URLLC) nokulibaziseka kokuphela kwexesha le-1ms, njenge-Intanethi yeZithuthi.
Sibonile ukwanda kweebhendi ze-5G, ukunciphisa ukulibaziseka kunye nenkxaso eyomeleleyo ye-Intanethi yezinto. Ikwabangela umceli mngeni omkhulu kunxibelelwano lwendabuko lokufumana. Okokuqala, kwiinkonzo zesintu ze-Intanethi, ububanzi bebhendi babasebenzisi bonyuswe ukuya kwi-1 ~ 10Gbps. Ukulibaziseka kuncitshisiwe kuye kwi-1 ~ 10ms, elingana ngokusetyenzwa komgca wokusebenza okungasasebenziyo. I-bandwidth kunye nokulibaziseka kokungena kokufumana kwendalo ilahlekile ebusweni be-5G, kwaye ukulula kokuhamba kuya kwandisa ukugqithiswa kwezithuthi ezininzi kwinethiwekhi ye-5G engenacingo. Okwesibini, kwinkonzo ye-IoT, i-5G IoT inegubungelo elibanzi, ukuhanjiswa kweenkonzo ngokulula, iindlela ezinqamlezileyo, ukusebenza okulula kunye nokulungiswa, kunye neendleko eziphantsi kunesango le-IoT.
Kwelinye icala, ukukhula kwe-5G kuzisa amathuba amatsha othungelwano lokufikelela. Okokuqala, i-5G isebenzisa i-AAU kunye ne-DU uyilo loyilo, kwaye ngenxa yobuninzi obuphezulu bokuzisa i-5G AAU inani elikhulu, amaxesha angama-4G amaxesha ama-2 okanye ngaphezulu, ngoko i-5G ngaphambi kothungelwano lokuhambisa lubaluleke kakhulu, isitshixo semithombo yefayibha yodibaniso isasazwa; Oku kwakhiwe yenethiwekhi ephezulu ye-ODN inethiwekhi, iindleko eziphantsi kunye nokufikelela ngokulula kwimfuno. I-5G AAUs, iitekhnoloji ze-WDM-PON zibonelela uluhlu olubanzi lwezicelo. Okwesibini, i-5G isebenzisa izibonakaliso ezihamba rhoqo, ezinobuthakathaka bokuya eludongeni, kwaye kukho nengxaki yokuwohloka kwe-bandwidth kunye nomgangatho wokungazinzi ukufikelela kumda wenethiwekhi engenacingo. Ngokwahlukileyo, ububanzi bebhendi kunye nomgangatho wenkonzo yabasebenzisi abanomgca wokufikelela osisigxina abazimeleyo bazimele. Ngaba sisibonelelo esikhulu.
Abanini zithuthi banokujonga izibonelelo zongenelelo olungenacingo lwe-5G kunye nokufikelela kokukhanya ukwenza ulongezo. Baxhomekeke kubutyebi bemithombo enkulu ye-ODN kunye nofikelelo oluzinzileyo lwe-bandwidth eyakhiwe kwinethiwekhi ekhoyo ukubonelela abasebenzisi ngokuzinzileyo kunye nokuthenjwa kwe-5G + FTTH yokufikelela kabini-gigabit.

Indlela yokufikelela yothungelwano lwe-Optical ukufikelela kunye nobuchwephesha be-hotspot
Ukuze ufezekise ukufikelela kwe-GGab FG ye-FG ye-5G, ukufikelela kumnatha womnatha kufuneka kuthathelwe ingqalelo enye indalo yokuguqulelwa okungenazintambo kunye okungenantambo, okubandakanya ucwangciso nolwakhiwo, uyilo lwenethiwekhi, kunye nendlela yobugcisa.
Ngokombono wokucwangciswa nokwakha, ekucwangcisweni kokugubungela inethiwekhi kunye nokwakhiwa kwegumbi lekhompyuter, kubalulekile ukuqaphela ukhuseleko lweshishini lwangoku kunye nokwanda kweshishini elizayo. Ukuseka indawo yokungena yenkonzo edibeneyo yindlela efanelekileyo, esekwe kulwahlulo lwenethiwekhi esisigxina, isikhululo esingasebenzisi zingcingo, kunye neenkonzo zeshishini zikarhulumente, zidityaniswa nolwahlulo lweendawo zolawulo kunye neendawo zendalo, ulwakhiwo lwenethiwekhi yendlela, kunye ukuhanjiswa kwabathengi. Indawo nganye yokufikelela ekungenelweni kweenkonzo ibandakanya uthungelwano lwe-ODN eligubungele kakhulu kunye negumbi lezixhobo zokudibanisa ukufikelela. Igumbi lezixhobo lokungena lokungena elihlanganisiweyo lisebenzisa i-OLT engasebenziyo, i-BBU / DU engenazingcingo, kunye nesixhobo sokuhambisa intambo. , ukufezekisa isitishi esime nkqo.
Ngokombono woyilo lwenethiwekhi, igumbi lokuhlangana elihlanganisiweyo liyindawo ye-POP efikeleleka ngabasebenzisi kwaye iyindawo ebalulekileyo yokwaziwa kokuchongwa kwenkonzo kunye nokukhutshelwa kwilifu. Igumbi elikhulu lokufikelela elinamandla amakhulu lihlisa inani lamagumbi oomatshini kwaye lihlangabezana neemfuno zokwenza lula inethiwekhi yomqhubi. Ngokuseka igumbi lezixhobo zonxibelelwano ezifikelelekayo, imodeli yenkonzo ehlanganisiweyo, ukucaciswa kwegumbi lezixhobo, iindlela zobuchwephesha, kunye nezisombululo zonxibelelwano, ukuvela kwezinto ezizayo kwinethiwekhi ye-SDN kunye nokuqaliswa kwe-AI yokusebenza ngobuchule kunye nokugcinwa kuya kwenza lula ukwakhiwa kunye nokusebenza kwezinto zonke zamehlo ukufikelela kwenethiwekhi kunye nokunciphisa ukusebenza. Iindleko zeshishini.
Kwindlela yezobuchwepheshe, ukuze uhlangabezane neemfuno ezigqithileyo zeemfuno zeenkonzo ezintsha ezinje nge-4K / 8K / VR / AR, intambo inyuselwa kubuchwepheshe be-10G PON, kwaye ngaphandle kwamacingo kongeza ukufikelela kwe-5G ukufezekisa ngaphezu kwe-1Gbps bandwidth yomsebenzisi ngamnye. Ngokusetyenziswa kweziseko ezingundoqo ze-NFVI ukufikelela kwigumbi lezixhobo kunye netekhnoloji ye-MEC, yokuhlangabezana neemfuno zeshishini le-low-latency yangempela, ukwenza iinkonzo ezintsha ezinje ngeVR, uthungelwano lweemoto, ulawulo olukude.
Ukugxila kusetyenziso olusebenza ngokugqibeleleyo lwezixhobo ze-ODN fiber, itekhnoloji ye-PON esekwe kunxibelelaniso lwe-point-to-multipoint ekunikezeleni umkhombandlela we-hotspot, kubandakanya ne-WDM-PON teknoloji yokuhambisa ngaphambi kwe-5G kunye netekhnoloji ye-50G PON yeebhendi enkulu.
I-WDM-PON luyilo lwetekhnoloji eyakhiweyo- (jonga kumzobo ongezantsi). Isebenzisa i-wavelengths ezimeleyo ukubonelela ngemibhobho eqinileyo yomsebenzisi ngamnye, kwaye isantya siphezulu ukuya kwi-25Gbps, ehlangabezana neemfuno zokuhambisa kwangaphambili kwe-5G. Kwangelo xesha, i-WDM-PON itshatisa inethiwekhi ekhoyo ye-ODN isindisa imithombo yefibre yangasemva, kwaye ilungele ukugubungela i-5G kwimimandla emxinwa yedolophu. Ngenye yokhetho olubalulekileyo lwetekhnoloji yokuhambisa i-5G phambili. Okwangoku, i-WDM-PON iseneengxaki ezinje ngeendleko eziphezulu kunye nokuthembela okuphantsi kweemeko zobushushu emsebenzini, ekufuneka zisonjululwe ngumbhinqo wezoqoqosho.

I-PON yesizukulwana esilandelayo isebenzisa ubuchwephesha be-50G PON, kwaye i-ITU-T isungulwe ngo-2018. I-50G PON yamkela itekhnoloji ye-single-wavelength, iyahambelana ne-XG (S) PON kunye ne-GPON, kwaye iphucula kakhulu ukusebenza kokulibaziseka kwe-uplink ngokusebenzisa i-DBA esezantsi-latency. Itekhnoloji. Inokuhlangabezana neemfuno zokonyuka kwebhendi ebanzi yasekhaya, kwaye inokusetyenziselwa urhulumente kunye neshishini kunye ne-5G isiseko esincinci sasemva kwesiteshi. Intsimi entsha ikwandise kakhulu uluhlu lwe-PON kwaye yeyona ndlela ilungileyo yokuziphucula kwendlela yokusebenza kubaqhubi ekusebenziseni ngokupheleleyo iinethiwekhi ezikhoyo ze-ODN.
Iingcinga malunga noKwakha iNethiwekhi yokuFikelela kuMoya kwi-  5G  Era
Isiseko sothungelwano lokungena soqobo ngexesha le-5G kukwakha igumbi lokungena lokungena kwigumbi elinobuchule bokudityaniswa kweselfowni, ukufezekisa iimfuno zobuchwephesha zesantya, ezilula, eziguqukayo. , okrelekrele nothembekileyo. Uvavanyo lwereferensi ye-FIG., Ngelixa kugcinwa inkqubo yoqobo yokubonelela ngombane (kubandakanya amandla okugcina), imeko apho inkqubo yokupholisa umoya, inkqubo yokulawula, kunye nezitishi zokuhamba, inethiwekhi yokungena yahlulahlulwe zaza zasebenza iimodyuli zangaphakathi zegumbi.

Umsebenzi woqhagamshelo: ubhekisa kuthungelwano lwangaphakathi lwegumbi lokufikelela, bhekisa uyilo lwe-Spine-Leaf yeziko ledatha, ukuseka indawo enkulu ye-bandwidth, scalable, kunye neenkqubo zonxibelelwano zangaphakathi ezithembekileyo zokuhlangabezana ne-DU / i-wt ye-OLT engenantambo / yokuhambisa ngocingo / igumbi lokungena leNFVI Unxibelelwano lweshishini oluntsonkothileyo kunye neziqinisekiso zeQoS phakathi koncedo;
Inethiwekhi yokufikelela: ibhekisa kwi-DU engenazingcingo kunye ne-OLT engenazintambo, enoxanduva lokujongana ngaphandle kwamacingo kunye nocingo ngokulandelelana;
-Iziseko zophuhliso zeNFVI (umsebenzi wokugcina wekhompyuter):  Njengomodyuli okude weziko ledatha ye- EDC,  inkonzo ye-NFV eqhuba kuyo ilawulwa yinethiwekhi ye-5G engxamisekileyo yokuqinisekisa ukuqhutywa ngokukhawuleza kweenkonzo ezisexesheni kunye nokuphucula amava omsebenzisi;
-Ukuhambisa umsebenzi: Inika ujongano kwicala lothungelwano ukuqhuba ngokufana kunye nokuhamba kwetrafti ngaphandle kwamacingo; isixhobo sokuhambisa sinokuba yi-OTN, IPRAN okanye i-SPN.
Ngokwenyani, inani lokufikelela kwigumbi lekhompyuter likhulu, kwaye iimeko zekhompyuter kunye nokusingqongileyo nazo zahlukile. Utyalomali lwemali kunye nezixhobo zotshintsho lwezixhobo zonke zikhulu kwaye umthwalo mkhulu. Kuphunyezo oluthile, le migaqo mithathu ilandelayo kufuneka iqwalaselwe ngokupheleleyo kwaye iphunyezwe inyathelo ngenyathelo. Ngokuthe ngcembe savela.
-Ukuvulwa komgaqo: Umsebenzi wokungena, umsebenzi woqhakamshelwano, izibonelelo ze-NFVI (umsebenzi wokugcinwa kwekhompyuter) kunye nomsebenzi wothumelo kwinethiwekhi yegumbi lokungena kufuneka uxhase ubumbano oluvulekileyo; isixhobo sokwakhiwa kwe-NFVI sabiwe ngayo yonke imisebenzi kunye nabasebenzisi kwigumbi lezixhobo. .
-Umgaqo wokukhubazeka: Iimeko ezithile zokungena kwigumbi lezixhobo zahluke kakhulu, njengemeko yehadiwe njengendawo yezixhobo zegumbi, ukuhambisa umbane kunye nokucima ubushushu; umsebenzi wokungena, umsebenzi woqhakamshelwano, izibonelelo ze-NFVI (umsebenzi wokugcinwa kwekhompyuter), kunye nomsebenzi wothumelo kwigumbi lokufikelela Izityalo ezisekwe kwiimfuno zeshishini lokwenene kunye nenkxaso yokwanda okuthe tye ngomsebenzi kunye nomthamo.
-Umgaqo wokuguquguquka: Utshintsho lwenethiwekhi yegumbi lezixhobo zofikeleleko malusekwe ekuqinisekeni okucocekileyo koyilo lwezixhobo olukhoyo. Ngaphantsi kwesakhiwo sokuqinisekisa ukusebenza okuqhelekileyo kweenkonzo ezikhoyo, imisebenzi efanelekileyo inokuqokelelwa ngokulula ngokwemeko yegumbi lezixhobo.
Inethiwekhi yokufikelela ngamehlo ngexesha le-5G isenxabiso elikhulu. Ngokusekwe kwimithombo ye-ODN ye-ubiquitous ye-ubiquitous, ngokwakhiwa kwenkonzo yokufikelela kwindawo edityanelweyo, iinkonzo ezingena zingasebenzisi zingcingo zinokutshatiswa nendawo yegumbi lezixhobo, kwaye nokwabelana ngezixhobo ezinje ngegumbi lezixhobo kunye ne-MEC kunokufezekiswa. Ukudityaniswa nokudalwa okuqhubekayo kwetekhnoloji ye-PON kunye nokuqaliswa kwetekhnoloji ye-SDN kunye ne-NFV. Ukuqonda inguqu ekrelekreleyo yegumbi lezixhobo zokudibanisa ukufikelela kunye nokwenza lula ukuthunyelwa kwenkonzo kunye nokusebenza kunye nokugcinwa.


Post time: Dec-04-2019