5G azụmahịa, buru ụzọ. Site na ntinye ngwa ngwa nke netwọk 5G, dịka otu n'ime ndị na-ebu ibu ọrụ nke ụlọ ọrụ 5G dum, ọchịchọ maka netwọk 5G fronthaul na-esiwanye ike. N'oge 5G, netwọk ohere redio dabere na usoro C-RAN, a na-etinye DU n'ụzọ etiti, a na-ejikọkwa ọtụtụ AAU site na netwọk fronthaul. Ngwọta fronthaul nke C-RAN tụlere bụ isi ihe dị na fiber direct draịvụ, WDM na-anaghị arụ ọrụ na ngwọta OTN na-arụ ọrụ, nke nwere nsogbu dịka oke oriri akụrụngwa eriri, enweghị njikwa na ọnụ ahịa dị elu; Shenzhen HUANET Technology Co., Ltd. na-agba mbọ iwulite netwọk 5G fronthaul dị elu, Ọ bụ onye mbụ wepụtara ngwọta semi-active 5G fronthaul, nke na-eme ka ntụkwasị obi nke netwọk dịkwuo mma ma na-eme ka njikwa na ọrụ na mmezi nke netwọk fronthaul ka mma.
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Atụmatụ mmemme ahụ
Kwado CPRI 1~10 na eCPRI (10G/25G), dakọtara na STM-1/4/16/64, GE/10GE/25GE na ndị ọzọ na-ebu ibu ọrụ dị iche iche, nnyefe doro anya, mee ka uru nke netwọk fronthaul dịkwuo elu.
Nhazi modular, 1:6/12/18 nhọrọ, nwere ike nweta njikọta ọtụtụ ọkwa dị iche iche, nnukwu nchekwa eriri
Enwere ike inye modulu ọkụ agba dị iche iche, na-akwado ebili mmiri CWDM 18, ebili mmiri MWDM 12, ma na-emezu ihe dị iche iche achọrọ maka ndepụta mmefu ego ike akara.
Nkwado nchekwa nke oyi akwa anya 1: 1, oge mgbanwe nchekwa erughị 50ms, na-eme ka ntụkwasị obi netwọk ka mma
Na-akwado njikwa netwọk interface eserese, na-ewughachi ngalaba njikwa ikuku na nnyefe, ma na-eme nlekota zuru oke nke modulu optical na ọnọdụ ahịrị
Ngwa WDM na-arụ ọrụ na ọfịs etiti na-akwado nhọrọ inye ike AC 220V na DC -48V, nchekwa ntinye ike 1+1, na ọdịda ike akụrụngwa anaghị emetụta nnyefe azụmaahịa.
WDM dịpụrụ adịpụ nwere ikike nnyefe n'èzí yana ebe nnyefe na-agbanwe agbanwe
Ọnọdụ ngwa
Na-egbo mkpa nke ọnọdụ netwọk CRAN site na isi ruo na isi, anya dị n'etiti saịtị DU na AAU dị n'ime 10km.
N'ebe ebe akụrụngwa eriri anya dị ụkọ, enweghị akụrụngwa pipeline, a na-etinyekwa eriri anya ọhụrụ n'enweghị ihe ọ bụla.
Wulite netwọk fronthaul dị elu iji kwado mkpa azụmaahịa 5G dị elu