A na-akpọkwa ONU nke abụọ 5G onu, a pụkwara ịkpọ ya AC onu.
Gịnịzi bụ dualband onu?
Dịka ọkọlọtọ netwọk ikuku si dị, ọnụọgụ abụọ nke onu ga-aka mma karịa ọnụọgụ otu. Ọ ga-abụ onu kacha ewu ewu n'ọdịnihu.
IEEE 802.11ac
IEEE 802.11ac bụ ọkọlọtọ nkwukọrịta netwọk kọmputa ikuku 802.11 na-emepe emepe, nke na-eji eriri ugboro 6GHz (a makwaara dị ka eriri ugboro 5GHz) maka nkwukọrịta netwọk mpaghara ikuku (WLAN). N'echiche, ọ nwere ike inye opekata mpe 1 Gigabit kwa sekọnd maka nkwukọrịta netwọk mpaghara ikuku ikuku (WLAN) nke ọtụtụ ọdụ, ma ọ bụ opekata mpe megabits 500 kwa sekọnd (500 Mbit/s) maka otu bandwidth nnyefe njikọ.
Ọ na-anabata ma na-agbasa echiche njikọ ikuku sitere na 802.11n, gụnyere: bandwit RF sara mbara (ruo 160 MHz), ọtụtụ iyi oghere MIMO (amụbaala ruo 8), MU-MIMO, na nnukwu njupụta demodulation (modulation, ruo 256QAM). Ọ nwere ike ịbụ onye ga-anọchi IEEE 802.11n.
Ụlọ ọrụ anyị, Shenzhen HUANET Technology CO., Ltd, nwere ike inye ụdị ont abụọ dị iche iche. Lee ụfọdụ ụdị onu abụọ.
WiFi 5GHz na-eji eriri ugboro ugboro dị elu iji belata mkpọchi ọwa. Ọ na-eji ọwa 22 ma ọ naghị egbochi ibe ya. Ma e jiri ya tụnyere ọwa atọ nke 2.4GHz, ọ na-ebelata mkpọchi mgbaàmà nke ukwuu. Ya mere, ọnụego nnyefe nke 5GHz bụ 5GHz ngwa ngwa karịa 2.4GHz.
Ngwakọta ugboro Wi-Fi nke 5GHz nke na-eji usoro 802.11ac nke ọgbọ nke ise nwere ike iru ọsọ nnyefe nke 433Mbps n'okpuru bandwit nke 80MHz, yana ọsọ nnyefe nke 866Mbps n'okpuru bandwit nke 160MHz, ma e jiri ya tụnyere ọnụego nnyefe 2.4GHz nke ọnụego kachasị elu nke 300Mbps. Emeela ka ọ ka mma nke ukwuu.
Agbanyeghị, Wi-Fi 5GHz nwekwara adịghị ike. Ihe ndị na-adịghị mma ya dị na anya nnyefe na ikike ịgafe ihe mgbochi.
Ebe ọ bụ na Wi-Fi bụ ebili mmiri elektrọnik, ụzọ mgbasa ya bụ mgbasa kwụ ọtọ. Mgbe ọ zutere ihe mgbochi, ọ ga-emepụta ịrịgo, ntụgharị uche, diffraction na ihe ndị ọzọ. N'ime ha, ịrịgo bụ isi, obere akụkụ nke mgbaàmà ga-apụta. Ntụgharị uche na diffraction. Àgwà anụ ahụ nke ebili mmiri redio bụ na obere ugboro, ogologo ebili mmiri, obere mfu n'oge mgbasa, ka mkpuchi ahụ si obosara, na ọ dị mfe ịgafe ihe mgbochi; ka ugboro ugboro na-arị elu, otú ahụ ka mkpuchi ahụ si dị obere ma sie ike karị. Gaa gburugburu ihe mgbochi.
Ya mere, akara 5G nwere ugboro dị elu na ogologo ogologo dị mkpụmkpụ nwere obere mpaghara mkpuchi, ikike ịgafe ihe mgbochi adịghịkwa mma dịka 2.4GHz.
Maka anya nnyefe, Wi-Fi 2.4GHz nwere ike iru oke mkpuchi nke mita 70 n'ime ụlọ, yana oke mkpuchi nke mita 250 n'èzí. Wi-Fi 5GHz nwere ike iru naanị oke mkpuchi nke mita 35 n'ime ụlọ.
Oge ozi: Julaị-03-2023