The 4d1ye
Wi-Fi Icho chinhu chatinoziva tese pasina mubvunzo, asi wakambotora nguva shoma uye uchishamisika kuti yakabva kupi? Muna 2019, vadikani vedu uye vanodiwa Wi-Fi anosvitsa makore makumi maviri uye zuva iri harigone kusiiwa risina chinhu. q6v65
Mune ino yakakosha, tinokuudza zvishoma nezve kwakabva nyaya yechigadzirwa ichi icho nhasi chinotibatanidza uye inotitenderedza kwese kwatinoenda, uye hongu, marudzi ese e Wi-Fi uye kuti yakashanduka sei nekufamba kwemakore.
Kwakabva zvisingatarisirwi n4057
Muna 1999, kambani yakadana Wi-Fi Alliance izvo ndaiva nebasa rekutengesa midziyo ine frequency IEEE802.11, ndiko kuti, midziyo yakashandisa mawaya emhepo kuchinjana data uye ruzivo.
Sezvo nguva yakafamba, kambani imwechete yakacherechedza kuti zita rokuti "Equipment neIEEE 802.11 frequency uye algorithm yekutsinhanisa data" rakanga risiri zita rakanaka kudaro rechigadzirwa chayo, icho chakanga chatotanga kubudirira. Saka, vakafunga kuhaya timu yekushambadzira uye yekumaka kubva Interbrand kubatsira kambani kusarudza zita riri nani rechigadzirwa chayo.
Wi-Fi zvishandiso uye adapters
Phil Belanger, imwe yenhengo dzekutanga dze Wi-Fi Alliance aivepo panguva yekusarudzwa kwemazita echigadzirwa chekambani yake, uye akati izwi rekuti “Wi-Fi"Yaishandiswa sejee pakati pevaaishanda navo nekuti yaiita seyakafanana neshoko rekuAmerica"Mhoro-Fi" zvinoreva Kuvimbika kwakakwirira, izwi rinoshandiswa kuratidza uye kuratidza kirasi yekutanga uye midziyo yakavimbika. Uye saka, izwi rakazvarwa Wi-Fi!
kuratidza nehukuru iyo Ying-Yang, kuenzanisa uye kukwana
Kungofanana nezvigadzirwa zvakawanda zvaunogona kusiyanisa chete nemavara azvo kana brand logo, iyo yekare Wi-Fi logo haina kukanganisa chero kupi. Asi unoziva zvazvinoreva here?
O Ying-Yang haipo chete mumavara asiwo mune logo ye Wi-Fi, inofananidzira kupindirana kwekombiyuta nemidziyo yechitatu, nemamwe mazwi, kuwirirana kwakakwana pakati pavo. Uye iyo haisi imwe mhando yeruzivo rwese, ichokwadi. O Wi-Fi anotipedzisa, anotikomberedza uye anotibatanidza mazuva ese.
Wakambomira here kuti uone kuti wakabatana sei? Kunyangwe kuburikidza nesocial network, midhiya, ruzivo, nhau, mitambo, chero, iwe wakabatana chero kwaunenge uri, uye frequency inokonzera izvi, Wi-Fi.
Evolution yeWi-Fi kuburikidza nemakore 4a6t72
Sezvakangoita tekinoroji uye kunyangwe kusimudzira, kubatana kwakagadziridzwa uye kwakashanduka nekufamba kwemakore, uye iyo isina waya yekubatanidza haina mutsauko kune iyi shanduko. Zvishoma nezvishoma kukura nekudzidza kubva mukukanganisa kwayo, iyo yekubatanidza uye algorithm yayo yakawedzera kukura uye yakakura uye, pamwe chete navo, iyo frequency rate uye kuchinjanisa data zvakare.
Pakutanga muna 1997, michina inoshandisa IEEE 802.11 tekinoroji uye algorithm, iyo yave kusashanda, network yekuparadzira michina yakakwanisa kusvika frequency ye2.4 GHz (Gigahertz), iyo yakashanda seye frequency range ye Wi-Fi munzvimbo yawakanga uri, inosiyana pakati pe15 ~ 20 metres neiyo frequency uye zvakare nekuchinjana data kwe1 kusvika 2 mbp/s (megabits pasekondi), iyo yainzi yakakurumidza chaizvo panguva iyoyo.
Sezvambotaurwa, iyo algorithm yakachinja akati wandei uye chokwadi, zvese zvinoshanduka zvinoshanduka. Isu tinotaura muchidimbu kushanduka kwealgorithm pano Wi-Fi nekufamba kwemakore:
- 802.11b (1999) yakanga iri chiitiko chekuchinja kwekutanga kwegorgorithm, kwayakange yava kukwanisa kushanda nekuchinjana kukuru kwedata, kubva ku1, 2, 5.5, kusvika ku11Mbp / s asi kuchengetedza kuwanda pa2.4Ghz;
- 802.11a (1999) mugore rimwe chetero, kushandura chiyero chayo chekuchinja data kusvika pachiyero chepamusoro, ichichiwedzera kusvika ku54Mbp/s. Zvakare inoratidzira yakakwira frequency rate, inosvika 5.5Ghz;
- 802.11g (2003) ichiri kuchengetedza zviyero zvakafanana, iyo algorithm inongowedzera huwandu hwehuwandu hwekutapurirana kwayo, nekudaro ichiita kuti ivhare kusvika ku38 metres, 18 metres kupfuura yakatanga kugadzirwa;
- 802.11 (2007) Shanduro dzinoverengeka dzakaburitswa kugadzirisa matambudziko madiki nekubatanidza uye kuchinjanisa data pane network isina waya, yakaonekwa nemabhii d,e,g,h,i,j asi zvine basa shoma kana yakanyorwa. Vese vakapedzisira vabatana uye vakava shanduro IEEE 802.11-2007 ye algorithm;
- 802.11n (2009) ikozvino kuwedzera basa rekubatanidza uye kugadzirisa akawanda antenna kumidziyo ine algorithm, iyo Wi-Fi anotanga kuwana simba. Iye zvino kukwanisa kushandisa mazinga e2.4 uye 5.0Ghz pamudziyo mumwe chete, iyo algorithm inogonawo kugadzirisa kune itsva data exchange, kubva pa72.2 kusvika ku150 Mbps / s. Uyezve kuwedzera huwandu hwayo hwepamusoro, kusvika ku70 mamita;
- 802.11 (2012) Sezvakangoita muna 2007, gore rino shanduro dzakagadzirisa matambudziko madiki mune yakapfuura algorithms yakanyorwa, yakatumidzwa zita. k,r,y,n,w,p,z,v,u,s, vese vaive vakabatana se IEEE 802.11-2012.
- 802.11ac (2013) pasina kugadziridzwa muhuwandu hwayo, iyi ndiyo yazvino vhezheni yegorgorithm yakatoburitswa, iyo inogona kushanda nehukuru hwakasiyana mukutsinhana kwayo data, ichibva ku200 Mbps / s ine muganho mukuru unosvika 1.73 Gbp / s mune imwe midziyo, kuchengetedza hongu, yayo 5.0Ghz frequency kune ese azvino zvishandiso.
Iyi algorithm nomenclature, zvisinei, yakaraswa, uye panzvimbo payo, iyo algorithms pamwe chete yakagamuchira shanduro inoperekedzwa nezita rehunyanzvi. Pazasi ndiyo nzira yazvinotaridzika zvino:
- Wi-Fi 802.11b yava Wi-Fi 1;
- 802.11a Wi-Fi ikozvino Wi-Fi 2;
- Wi-Fi 802.11g yava Wi-Fi 3;
- Wi-Fi 802.11n yakashandurwa kuita Wi-Fi 4;
- 802.11ac Wi-Fi ikozvino Wi-Fi 5.
Gore rino 2019 rinoratidzawo kutanga kweiyo algorithm itsva iyo Wi-Fi ichatanga kutora, inova 802.11ax, iyo ichagamuchira zita rezita re Wi-Fi 6, Pasinei nekuve mutsva, ma routers uye mafoni anototsigira teknolojia itsva, yakadai semutsara LG, pakati pevamwe.
O Wi-Fi 6 Inovimbisa kukurumidza, kuchengeteka, kuwedzera hupfumi uye zvakare inovimbisa kutsigira zvimwe zvakawanda zvakabatana zvishandiso. Kuuya gare gare gore rino, iyo algorithm nyowani inofanirwa kutsigira 9,6 GB/s yekubatanidza uye ichashanda pa2,4Ghz uye 5Ghz frequency.
Kukosha kweWi-Fi muhupenyu hwedu hwemazuva ese 5e4t1z
Kwete kungotumira mafaera kana kuwana masocial network, iyo Wi-Fi Inoita basa rakakosha muhupenyu hwedu hwezuva nezuva pamwe nehunyanzvi hwakatitenderedza. Ive kungova mota yekutsinhanisa data kuburikidza newireless network yekubatanidza uye kunyange kuenda kure sekuchengetedzeka zvinoreva zvakare.
Makambani akasiyana akadai Microsoft, apuro, AT & T, Dell uye kunyange zvake Google Ivo vanoshandisa data rekuchinjana frequency nekuda kwezvinangwa zvekuchengetedza, kungave kutarisa kana kuchinjana data kubva kune imwe nzvimbo kuenda kune imwe.
Kushandisa teknolojia WEP (Wired Zvakaenzana Zvakavanzika, yakaenzana isina waya zvakavanzika) pakutanga, algorithm yekuchengetedza iyo yaibvumira mushandisi kungobatana netiweki kana akasangana nezvinodiwa, senge zita retiweki pacharo uye, chokwadi, , iyo yaifanira kunge iine pakati pegumi negumi. 10 manhamba ane hexadecimal.
Zvisinei, muna 2003, the Wi-Fi Alliance akazivisa kuti kuchengeteka nzira WEP yakanga isingachashandi uye yaizotsiviwa ne WPA (Wi-Fi Yakadzivirirwa Kuwana, yakachengetedzwa isina waya network access) iyo yakatanga iyo yekuchengetedza sisitimu iyo mushure memakore mashoma yakazopedzisira yava iyo WPA2 and the WPA3, iyo imwechete yekuchengetedza sisitimu asi mumafomu ayo akavandudzwa. Inowanzoshandiswa nemaitiro ekuchengetedza mumidziyo ine mabasa ekuchengetedza. Wi-Fi mazuvano.
Muna 2018, imwe nzira yekuchengetedza yakadanwa TKIP (Temporal Key Kutendeseka Protocol, chimwe chinhu chakafanana neprotocol yekubatanidza kiyi chengetedzo), mukuwedzera kune, hongu, chiyero WPA3, iyo inovanza iyo kiyi encryption yechishandiso, nekudaro kuita chishandiso neiyi itsva algorithm uye chengetedzo maprotocol asingasvikike nevechitatu mapato, kunze kwemuviri.
Mambure Wi-Fi Kunyangwe iri mu "mhepo" uye neimwe nzira yakasununguka kuenda chero kwaunoda, inosimbiswa se mukombuta yako yekushandisa. Saka usanetseka, ndatenda Wi-Fi, data yako yakachengeteka chero kwairi uye chero kwainotumirwa!
Ehezve, isu tinoda zvakare kutaura makambani anoshandisa frequency uye algorithm yayo kutengesa yavo yakasarudzika michina, senge Cisco, D-Link, ea HP. Uye zviri pachena kuti tiri kutaura nezve wireless network transmitters, iyo Routers.
Router zvigadziriso zvave zvakajairika senharembozha kana makomputa asi izvo zvechokwadi hazviwane kutariswa kwazvinofanirwa. Kuita basa rakakosha munharaunda yetiweki, idzi Hardware dzine basa rekuparadzira network network Wi-Fi kwese kwatinoenda, zvisinei nehukuru.
Kubatana ndiyo kiyi yekukura uye Wi-Fi ndiro bhiriji rinotibatanidza 5u5l2v
Kwemakore Wi-Fi Yakanga iripo muhupenyu hwedu, ichikura uye ichishanduka, sezvakaita isu pachedu. Kuburikidza nekubatana, tinobatana nemumwe, isu tiri chikamu chehupenyu hweumwe neumwe uye tine chikwereti chechimwe cheizvozvo kwavari.
Haisi kungotipa iyo isina waya network yekubatanidza uye mamiriro-ye-the-art chengetedzo inogara ichishanduka, asi zvakare inotichengeta takabatana chero kwatinenge tiri. Ingave yekuchinjana mafaera kana data, iyo Wi-Fi Iri kwese kwese kwaunoenda. Makorokoto pamakore makumi maviri!
pamusoro