OXC (Haɗin giciye na gani) ingantaccen sigar ROADM ne (Reconfigurable Optical Add-Drop Multiplexer).
A matsayin ginshiƙan maɓallin sauyawa na hanyoyin sadarwa na gani, haɓakawa da ƙimar farashi na hanyoyin haɗin kai na gani (OXCs) ba wai kawai ƙayyade sassaucin hanyoyin hanyoyin sadarwa ba har ma da tasiri kai tsaye ga gini da aiki da ƙimar kulawa na manyan cibiyoyin sadarwa na gani. Nau'o'in OXC daban-daban suna nuna bambance-bambance masu mahimmanci a ƙirar gine-gine da aiwatar da ayyuka.
Hoton da ke ƙasa yana kwatanta tsarin gine-ginen gargajiya na CDC-OXC (Launuka mara daɗaɗɗen Maɗaukaki Mai Kyau), wanda ke amfani da maɓallan zaɓi na tsawon tsayi (WSSs). A gefen layi, 1 × N da N × 1 WSSs suna aiki azaman ingress / egress modules, yayin da M × K WSSs a gefen ƙara / sauke suna sarrafa ƙari da digo na raƙuman ruwa. Waɗannan samfuran suna haɗe ta hanyar filayen gani a cikin jirgin baya na OXC.
Hoto: Gine-gine na CDC-OXC na Gargajiya
Hakanan ana iya samun wannan ta hanyar juyar da jirgin baya zuwa cibiyar sadarwa ta Spanke, wanda ke haifar da gine-ginen Spanke-OXC.
Hoto: Spanke-OXC Architecture
Hoton da ke sama ya nuna cewa a gefen layi, OXC yana da alaƙa da nau'ikan tashar jiragen ruwa guda biyu: tashar jiragen ruwa da kuma tashar fiber. Kowane tashar tashar jiragen ruwa ta yi daidai da alkiblar yanki na OXC a cikin hanyar sadarwa ta hanyar sadarwa, yayin da kowane tashar fiber ke wakiltar filaye biyu na filaye biyu a cikin tashar jagora. Tashar jiragen ruwa na al'ada ta ƙunshi nau'i-nau'i-nau'i-nau'i-nau'i na fiber bidirectional (watau tashar jiragen ruwa masu yawa).
Yayin da OXC na tushen Spanke ya cimma matsananciyar sauyawa mara hanawa ta hanyar ƙirar jirgin baya mai alaƙa da haɗin kai, iyakokinta suna ƙara yin mahimmanci yayin da zirga-zirgar hanyar sadarwa ke ƙaruwa. Ƙididdigan ƙidayar tashar tashar jiragen ruwa na zaɓin zaɓi na kasuwanci (WSSs) (misali, matsakaicin tallafi na yanzu shine tashoshin jiragen ruwa 1 × 48, kamar Finisar's FlexGrid Twin 1 × 48) yana nufin faɗaɗa girman OXC yana buƙatar maye gurbin duk kayan masarufi, wanda ke da tsada kuma yana hana sake amfani da kayan aikin da ake dasu.
Ko da tare da babban tsarin gine-gine na OXC dangane da hanyoyin sadarwar Clos, har yanzu yana dogara da M × N WSSs masu tsada, yana mai da wahala a cika buƙatun haɓaka haɓakawa.
Don magance wannan ƙalubalen, masu bincike sun ba da shawarar sabon tsarin gine-gine: HMWC-OXC (Hybrid MEMS da WSS Clos Network). Ta hanyar haɗa tsarin microelectromechanical (MEMS) da WSS, wannan gine-ginen yana kula da aikin kusa da ba tare da toshewa ba yayin da yake goyan bayan damar "biyan-kamar-girma", yana samar da hanyar haɓaka mai inganci mai tsada ga masu aikin cibiyar sadarwa na gani.
Babban ƙirar HMWC-OXC ya ta'allaka ne a cikin tsarin cibiyar sadarwar sa mai Layer Layer uku.
Hoto: Gine-gine na Spanke-OXC Dangane da hanyoyin sadarwar HMWC
Ana amfani da maɓalli na gani na MEMS masu girma a cikin shigarwa da matakan fitarwa, kamar ma'auni na 512 × 512 a halin yanzu yana goyan bayan fasahar zamani, don samar da babban tashar tashar tashar jiragen ruwa. Matsakaicin Layer ya ƙunshi ƙananan ƙananan na'urori na Spanke-OXC, haɗin haɗin gwiwa ta hanyar "T-ports" don rage cunkoso na ciki.
A cikin matakin farko, masu aiki za su iya gina abubuwan more rayuwa dangane da Spanke-OXC da ke wanzu (misali, 4 × 4 sikelin), kawai tura masu sauya MEMS (misali, 32 × 32) a matakan shigarwa da fitarwa, yayin da suke riƙe da guda ɗaya na Spanke-OXC a tsakiyar Layer (a wannan yanayin, adadin T-tashoshi ba kome ba ne). Yayin da buƙatun ƙarfin hanyar sadarwa ke ƙaruwa, ana ƙara sabbin na'urori na Spanke-OXC a hankali zuwa tsakiyar Layer, kuma ana saita tashoshin T-tashoshi don haɗa samfuran.
Misali, lokacin fadada adadin na'urori na tsakiya daga ɗaya zuwa biyu, ana saita adadin tashoshin T-tashoshi zuwa ɗaya, yana ƙaruwa duka girma daga huɗu zuwa shida.
Hoto: Misalin HMWC-OXC
Wannan tsari yana biye da ƙayyadaddun ma'auni M> N × (S - T), inda:
M shine adadin tashoshin jiragen ruwa na MEMS,
N shine adadin ma'auni na matsakaicin Layer,
S shine adadin tashoshin jiragen ruwa a cikin Spanke-OXC guda ɗaya, kuma
T shine adadin tashoshin jiragen ruwa masu haɗin kai.
Ta hanyar daidaita waɗannan sigogi masu ƙarfi, HMWC-OXC na iya tallafawa faɗaɗa a hankali daga ma'aunin farko zuwa maƙasudin manufa (misali, 64×64) ba tare da maye gurbin duk kayan masarufi a lokaci ɗaya ba.
Don tabbatar da ainihin aikin wannan gine-gine, ƙungiyar bincike ta gudanar da gwaje-gwajen siminti dangane da buƙatun hanyoyin gani mai ƙarfi.
Hoto: Toshe Ayyukan Sadarwar HMWC
Simintin yana amfani da ƙirar zirga-zirgar Erlang, ɗauka cewa buƙatun sabis sun bi rarraba Poisson kuma lokutan riƙon sabis suna bin rarraba mara kyau. An saita jimlar nauyin zirga-zirga zuwa 3100 Erlang. Maƙasudin girman OXC shine 64 × 64, kuma ma'aunin shigarwa da fitarwa na MEMS shima 64 × 64 ne. Matsakaicin ƙirar Spanke-OXC na tsakiya sun haɗa da ƙayyadaddun bayanai na 32×32 ko 48×48. Adadin tashoshin T-tashoshi daga 0 zuwa 16 ya danganta da buƙatun yanayin.
Sakamako ya nuna cewa, a cikin yanayin tare da madaidaicin shugabanci na D = 4, yuwuwar toshewar HMWC-OXC yana kusa da na asalin Spanke-OXC na gargajiya (S(64,4)). Misali, ta amfani da tsarin v(64,2,32,0,4), yuwuwar toshewa yana ƙaruwa da kusan 5% ƙarƙashin matsakaicin nauyi. Lokacin da girman jagora ya karu zuwa D = 8, yiwuwar toshewa yana ƙaruwa saboda "tasirin gangar jikin" da raguwar tsawon fiber a kowane shugabanci. Duk da haka, ana iya sauƙaƙe wannan batu yadda ya kamata ta hanyar ƙara yawan tashoshin T-tashoshi (misali, daidaitawar v(64,2,48,16,8).
Musamman ma, kodayake ƙari na ƙirar tsakiyar Layer na iya haifar da toshewar ciki saboda takaddamar tashar T-tashar, gine-ginen gabaɗaya na iya samun ingantaccen aiki ta hanyar daidaitawa mai dacewa.
Binciken farashi yana ƙara nuna fa'idodin HMWC-OXC, kamar yadda aka nuna a cikin adadi na ƙasa.
Hoto: Toshe Yiwuwar da Kudin Gine-ginen OXC Daban-daban
A cikin yanayi mai girma tare da 80 wavelengths/fiber, HMWC-OXC (v(64,2,44,12,64)) na iya rage farashi da 40% idan aka kwatanta da Spanke-OXC na gargajiya. A cikin yanayin ƙananan raƙuman ruwa (misali, 50 raƙuman raƙuman ruwa/fiber), fa'idar farashi ya fi mahimmanci saboda rage yawan adadin tashoshin jiragen ruwa da ake buƙata (misali, v(64,2,36,4,64)).
Wannan fa'idar tattalin arziƙin ya samo asali ne daga haɗuwa da babban tashar tashar tashar jiragen ruwa na masu sauya MEMS da dabarun haɓaka na zamani, wanda ba wai kawai yana guje wa kashe babban maye gurbin WSS ba amma har ma yana rage ƙimar haɓaka ta hanyar sake amfani da samfuran Spanke-OXC. Sakamakon kwaikwaiyo kuma ya nuna cewa ta hanyar daidaita adadin na'urori masu tsaka-tsaki da ƙimar T-tashoshi, HMWC-OXC na iya daidaita aiki da farashi mai sauƙi a ƙarƙashin ƙarfin tsayin tsayi daban-daban da daidaitawar shugabanci, samar da masu aiki tare da haɓaka haɓakawa da yawa.
Bincike na gaba zai iya ƙara gano tsayayyen algorithms na rarraba tashar T-tashar don inganta amfani da albarkatu na ciki. Bugu da ƙari kuma, tare da ci gaba a cikin ayyukan masana'antu na MEMS, haɗakar da maɗaukaki masu girma za su kara haɓaka haɓakar wannan gine-gine. Ga masu gudanar da cibiyar sadarwa na gani, wannan gine-ginen ya dace da yanayin yanayi tare da ci gaban zirga-zirgar da ba a tabbatar da shi ba, yana ba da mafita na fasaha mai amfani don gina hanyar sadarwa mai juriya da daidaita duk wata hanyar sadarwa ta kashin baya.
Lokacin aikawa: Agusta-21-2025