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Chii chinonzi LAN? LAN zvinoreva Local Area Network. LAN inomiririra dunhu renhepfenyuro, zvinoreva kuti nhengo dzese dzeLAN dzichagashira mapaketi enhepfenyuro anotumirwa nechero nhengo. Nhengo dzeLAN dzinogona kutaura kune mumwe nemumwe uye dzinogona kuseta nzira dzadzo dzemakomputa kubva kune vakasiyana vashandisi kutaura kune yega yega ...

Iyo data link layer yeWLAN inoshandiswa sekiyi layer yekufambisa data. Kuti unzwisise WLAN, iwe unofanirwawo kuiziva zvakadzama. Kuburikidza netsananguro dzinotevera: Muprotocol yeIEEE 802.11, iyo MAC sublayer ine nzira dzekuwana midhiya yeDCF nePCF: Zvinoreva DCF: Govera...

PHY, iyo yemuviri layer yeIEEE 802.11, ine inotevera nhoroondo yekuvandudza tekinoroji uye tekinoroji zviyero: IEEE 802 (1997) Modulation tekinoroji: infrared transmission yeFHSS uye DSSS Operating frequency band: inoshanda mu2.4GHz frequency band (2.42.4835GHz, 83.5MHZ yakazara...

Kune mazita akawanda anobatanidzwa muWLAN. Kana iwe uchida kunzwisisa zvakadzama mapoinzi eruzivo eWLAN, unofanirwa kuita tsananguro yakazara yehunyanzvi yenzvimbo yega yega yeruzivo kuitira kuti unzwisise zvirimo zviri nyore mune ramangwana. Chiteshi (STA, kwenguva pfupi). 1). Chiteshi (point), al...

WLAN inogona kutsanangurwa mune zvese pfungwa yakafara uye yakamanikana pfungwa: Kubva padiki maonero, isu tinotsanangura nekuongorora WLAN mune zvese zvakafara uye nhete pfungwa. Mupfungwa yakafara, WLAN itiweki yakagadzirwa nekutsiva imwe kana yese yewaya yeLAN yekuparadzira midhiya nemasaisai eredhiyo, senge infrared, l...

Constellation ipfungwa yakakosha mudhijitari modulation. Patinotumira masaini edhijitari, isu kazhinji hatitumire 0 kana 1 zvakananga, asi kutanga taumba boka re 0 uye 1 masiginecha (bits) zvinoenderana neimwe kana akati wandei. Semuenzaniso, mabhii maviri ega ega anoumba boka, kureva, 00, 01, 10, uye 11. Pane matunhu mana ...