Chidziwitso

kapena chitsanzo cha OSI, kusinthaku kumagwira ntchito pagawo lachiwiri lachitsanzo ichi, chingwe cholumikizira deta. Monga tawonera pachithunzi chotsatira, kusinthaku kuli ndi madoko asanu ndi atatu. Chidacho chikalumikizidwa mu switch kudzera pa RJ45, chip master cha switchcho chimazindikira madoko omwe alumikizidwa mu netiweki...

Module ya PON ndi mtundu wa module ya kuwala. Zimagwira ntchito pazida za OLT terminal ndikulumikizana ndi zida zaofesi za ONU. Ndi gawo lofunikira pa netiweki ya PON. PON Optical modules akhoza kugawidwa mu APON (ATM PON) Optical modules, BPON (broadband passive network) Optical modules, EPON (Efaneti ...

FHSS, teknoloji yafupipafupi yodumphira kufalikira kwa sipekitiramu, pansi pa chikhalidwe cha kugwirizanitsa ndi nthawi imodzi, imavomereza zizindikiro zomwe zimaperekedwa ndi zonyamulira zopapatiza zamtundu winawake (mawonekedwe enieniwa ali ndi mafupipafupi, ndi zina zotero) pamapeto onse awiri. Kwa wolandila wopanda mtundu wina wake, hop...

OFDM yaperekedwa mu IEEE802.11a. Kutengera njira yosinthira iyi, tiyenera kudziwa kuti OFDM ndi chiyani kuti timvetsetse ma protocol osiyanasiyana. Kodi OFDM ndi chiyani? OFDM ndi ukadaulo wapadera wonyamula zinthu zambiri. Tekinoloje iyi ikufuna kugawa tchanelo kukhala njira zingapo za orthogonal, ndi ...

Momwe mungawerengere kuchuluka kwa Wi-Fi 6? Choyamba, lingalirani kuyambira pachiyambi mpaka kumapeto: Kuchuluka kwa kufalikira kudzakhudzidwa ndi kuchuluka kwa mitsinje yapakati. Chiwerengero cha ma bits omwe chonyamulira chilichonse chingatumize ndi kuchuluka kwa ma bits okhala ndi chonyamulira chilichonse. Kukwera kwa kuchuluka kwa zolemba, kuli bwino. Angati ...

Choyamba, tiyeni tiphunzire za IEEE 802.11ax. Mu mgwirizano wa WiFi, umatchedwa WiFi 6, yomwe imadziwikanso ngati netiweki yam'deralo yopanda zingwe. Ndi mulingo wamba wopanda zingwe. 11ax imathandizira 2.4GHz ndi 5GHz magulu, ndipo imatha kukhala kumbuyo yogwirizana ndi protoco yomwe imagwiritsidwa ntchito kwambiri ...