Ulwazi

Umaleko wekhonkco lwedatha ye-WLAN isetyenziswa njengomaleko ophambili wokuhanjiswa kwedatha. Ukuze uqonde i-WLAN, kufuneka uyazi ngokweenkcukacha. Ngokusebenzisa ezi ngcaciso zilandelayo: Kwiprothokholi ye-IEEE 802.11, i-sublayer yayo ye-MAC iqulethe iindlela zokufikelela kwimidiya ye-DCF kunye ne-PCF: Intsingiselo ye-DCF: Ukusabalalisa...

I-PHY, umaleko womzimba we-IEEE 802.11, unembali elandelayo yophuhliso lwetekhnoloji kunye nemigangatho yobugcisa: IEEE 802 (1997) Itekhnoloji yokumodareyitha: ukuhanjiswa kwe-infrared ye-FHSS kunye ne-DSSS Ibhendi yokuqhutywa kwamaza: esebenza kwi-2.4GHz frequency band (2.42.4835GHz, 83.5MHZ iyonke...

Kukho izibizo ezininzi ezibandakanyekayo kwi-WLAN. Ukuba ufuna ukuqonda ngokunzulu amanqaku olwazi lwe-WLAN, kufuneka wenze inkcazo epheleleyo yobungcali kwinqanaba ngalinye lolwazi ukuze ukwazi ukuqonda lo mxholo ngokulula ngakumbi kwixesha elizayo. Isitishi (STA, ngokufutshane). 1). Isikhululo (inqaku), al...

I-WLAN inokuchazwa kuzo zombini ingqiqo ebanzi kunye nengqiqo emxinwa: Ukusuka kwimbono encinci, sichaza kwaye sihlalutye i-WLAN kwiimvakalelo ezibanzi kunye nezimxinwa. Ngengqiqo ebanzi, i-WLAN yinethiwekhi eyenziwe ngokutshintshela enye okanye yonke imidiya yosasazo ye-LAN enentambo ngamaza erediyo, anje nge-infrared, l...

Ukuqonda unxibelelwano lwedatha kwinethiwekhi kunzima. Kweli nqaku ndiza kubonisa ngokulula ukuba iikhompyuter ezimbini zidibana njani, zigqithise kwaye zifumane ulwazi lwedatha kunye ne-Tcp/IP yeprotocol yomaleko amahlanu. Yintoni unxibelelwano lweDatha? Igama elithi "unxibelelwano lwedatha" i...

Iiswitshi ezilawulwayo ziphezulu kunezo zingalawulwayo ngokwemigaqo yokusebenza, kodwa zifuna ubuchule bomlawuli okanye injineli ukuze baqonde ngokupheleleyo amandla abo. Ulawulo oluchanekileyo ngakumbi lothungelwano kunye nezakhelo zabo zedatha zenziwe ukuba zikwazi ukusebenzisa iswitshi elawulwayo. Kwelinye icala, ...