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Asọmpi teknụzụ 5G, Millimeter Wave na Sub-6

Asọmpi teknụzụ 5G, Millimeter Wave na Sub-6

Ọgụ maka ụzọ teknụzụ 5G bụ n'ezie ọgụ maka igwe egwu ugboro. Ka ọ dị ugbu a, ụwa na-eji eriri ugboro abụọ dị iche iche na-ebuga netwọk 5G, a na-akpọ bandwit n'etiti 30-300GHz millimeter wave; nke ọzọ ka a na-akpọ Sub-6, nke gbadoro anya na bandwit 3GHz-4GHz.

N'okpuru njirimara anụ ahụ nke ebili mmiri redio, obere ebili mmiri na ebili mmiri dị warara nke ebili mmiri millimeter na-eme ka mkpebi mgbaàmà, nchekwa mgbasa ozi na ọsọ mgbasawanye dịkwuo elu, mana anya nnyefe na-ebelata nke ukwuu.

Dabere na ule mkpuchi mkpuchi 5G nke Google maka otu nso na ọnụ ọgụgụ ọdụ ọdụ, netwọk 5G etinyere na ebili mmiri millimeter nwere ike kpuchie 11.6% nke ndị bi na ọnụego 100Mbps, yana 3.9% na ọnụego 1Gbps. 6-band 5G netwọk, 100Mbps ọnụego netwọk nwere ike kpuchie 57.4% nke ndị bi, na 1Gbps ọnụego nwere ike kpuchie 21.2% nke ndị bi.

Enwere ike ịhụ na mkpuchi nke netwọk 5G na-arụ ọrụ n'okpuru Sub-6 karịrị ugboro 5 nke ebili mmiri millimeter. Tụkwasị na nke ahụ, owuwu nke ọdụ ụgbọ mmiri millimeter chọrọ ihe dị ka nde 13 nrụnye n'elu okporo osisi bara uru, nke ga-efu $ 400 ijeri, iji hụ na mkpuchi 72% na 100 Mbps kwa nkeji na band 28GHz na ihe dị ka 55 kwa nkeji na 1Gbps. % mkpuchi. Naanị Sub-6 kwesịrị ịwụnye ọdụ ọdụ 5G na ọdụ ntọala 4G mbụ, nke na-echekwa ego mbufe ya nke ukwuu.

Site na mkpuchi ruo na ọnụ ahịa azụmaahịa, Sub-6 dị elu karịa mmWave n'oge dị mkpirikpi.

Ma ihe kpatara ya bụ na ihe dị iche iche dị iche iche dị ukwuu, bandwit na-ebu ibu nwere ike iru 400MHz / 800MHz, na nnyefe ikuku ikuku nwere ike iru karịa 10Gbps; nke abụọ bụ warara milimita-efegharị efegharị, ntụzịaka dị mma, na mkpebi oghere dị oke elu; Nke atọ bụ ihe ndị na-efegharị milimita Tụnyere akụrụngwa Sub-6GHz, ọ dị mfe iji wedata. Nke anọ, oge subcarrier dị ukwuu, na otu oge SLOT (120KHz) bụ 1/4 nke obere ugboro Sub-6GHz (30KHz), na nkwụsịtụ ikuku ikuku na-ebelata. N'ime ngwa netwọkụ nkeonwe, uru nke ebili mmiri milimita fọrọ nke nta ka ọ kụpịa Sub-6.

Ka ọ dị ugbu a, netwọk nzuzo nke ụgbọ ala na-arụ ọrụ site na nkwurịta okwu millimeter-wave na ụlọ ọrụ ụgbọ okporo ígwè nwere ike nweta ọnụego nnyefe nke 2.5Gbps n'okpuru nnukwu ọsọ ọsọ, na nkwụsịtụ nnyefe nwere ike iru 0.2ms, nke nwere nnukwu uru. nkwalite netwọkụ nkeonwe.

Maka netwọkụ nkeonwe, ọnọdụ dị ka njem ụgbọ okporo ígwè na nlekota nchekwa ọha nwere ike inye egwuregwu zuru oke na uru teknụzụ nke ebili mmiri millimita iji nweta ezi ọsọ 5G.

 


Oge nzipu: Ọktoba 27-2022