Ukunxibelelana nge-wireless, igama elithi "Hz" (elithetha "i-hertz," emva kwenzululwazi yekhulu le-19 uHeinrich Hertz) libhekisela kwimiyalezo yokuhanjiswa kwemisakazo kwimijikelezo yesibini.
- I-1Hz ifana nomjikelezo omnye ngesibini.
- I-1MHz (megahertz) ilingana nezigidi ezili-1 ngeesibini (okanye 1 million iHz).
- I-1GHz (gigahertz) ilingana neebhiliyoni ezili-1 ngesibini (okanye i-1000 MHz).
Iinkonzo zekhomputha ze-Wireless zisebenza kwiifom ehlukeneyo zokusasaza, kuxhomekeke kwi-teknoloji abasebenzisayo. Unxibelelwano olungenazintambo lusebenza ngaphezu kweenqanaba leziganeko (ezibizwa ngokuba ngamaqela ) kunokuba enye inamba yefowuni echanekileyo.
Intanethi esebenzisa uxhulumaniso oonxibelelwano lwe-othotho oluphezulu-ntambo ayinakunikezela ngesivinini ngokukhawuleza kunokuba kunxibelelwano lwe-wireless ephantsi.
Hz kwi-Wi-Fi Networking
Iinqununu ze-Wi-Fi zonke zisebenza kwi-2.4GHz okanye kwi-5GHz. Ezi zigaba zerhoxo ezivulekileyo ezivulelekileyo zonxibelelwano zoluntu (okt, ezingagunyaziswanga) kumazwe amaninzi.
Amanqanaba e-2.4GHz e-Wi-Fi avela kwi-2.412GHz ekupheleni kwezantsi ukuya kwi-2.472GHz esiphelweni esiphakamileyo (kunye neqela elongezelelweyo elinenkxaso ephantsi eJapan). Ukuqala nge- 802.11b ukuya kwii- 802.11ac zakutshanje, ii-2.4GHz ze-Wi-Fi amanethiwekhi zonke zabelana ngee-band ezifanayo kunye kwaye ziyahambelana.
I-Wi-Fi yaqalisa ukusebenzisa ii-radios ezi-5GHz ziqala nge- 802.11a , nangona ukusetyenziswa kwazo okuqhelekileyo kumakhaya kwaqala kuphela ngo- 802.11n . Iinqununu ze-5GHz ze-Wi-Fi zivela kwi-5.170 ukuya kwi-5.825GHz, kunye namanye amaqela angaphantsi aphantsi asekelwe eJapan kuphela.
Ezinye iindidi zokubonakaliswa ezingenazintlu zilinganiselwe kwi-Hz
Ngaphandle kwe-Wi-Fi, qwalasela le mizekelo yezonxibelelwano ezingenantambo:
- Iifowuni zentambo ezingenazintambo ezisetyenziswa kwi-900MHz ububanzi, njengokuba umgangatho omtsha we-802.11ah
- Ukunxibelelana kwenethiwekhi yeBluetooth kusetyenziswa ukubonakaliswa kwe-2.4GHz, okufana ne-Wi-FI, kodwa i-Bluetooth ne-Wi-Fi ayihambelani.
- Iiprotokholi eziliqela ezingama- 60GHz ezingenazintambo ziye zaphuhliswa kwizicelo ezizodwa ezibandakanya ubuninzi beemali ezihamba ngeendlela ezimfutshane.
Kutheni iimeko ezahlukeneyo ezahlukeneyo? Ngolunye, iintlobo ezahlukeneyo zonxibelelwano kufuneka zisebenzise iifayile ezihlukeneyo ukuze ziphephe ukuqhubana. Ukongezelela, iimpawu eziphakamileyo eziphambili ezifana ne-5GHz zinokuthatha ixabiso elininzi lwedatha (kodwa, ngokubuyisela, zinomda omkhulu kumgama kwaye zidinga amandla amaninzi ukungena ekuthinteleni).