1. 6GHz babban ƙalubalen mitar mita
Na'urorin masu amfani da fasahar haɗin kai kamar Wi-Fi, Bluetooth, da salon salula kawai suna goyan bayan mitoci har zuwa 5.9GHz, don haka abubuwan haɗin gwiwa da na'urorin da aka yi amfani da su don ƙira da ƙira an inganta su ta tarihi don mitoci ƙasa da 6 GHz don Juyin kayan aikin don tallafawa har zuwa 7.125 GHz yana da tasiri mai mahimmanci akan duk tsawon rayuwar samfur daga ƙira da inganci har zuwa masana'antu.
2. 1200MHz ƙalubalen ƙalubalen fasfo mai faɗi
Faɗin mitar 1200MHz yana ba da ƙalubale ga ƙira na gaba-gaba na RF kamar yadda yake buƙatar samar da daidaitaccen aiki a duk faɗin mitar mita daga mafi ƙasƙanci zuwa mafi girman tashar kuma yana buƙatar kyakkyawan aikin PA / LNA don rufe kewayon 6 GHz. . linearity. Yawanci, wasan kwaikwayon ya fara raguwa a babban gefen band ɗin, kuma na'urori suna buƙatar daidaitawa da gwada su zuwa mafi girman mitoci don tabbatar da cewa za su iya samar da matakan ƙarfin da ake sa ran.
3. Dual ko tri-band ƙira ƙalubale
Na'urorin Wi-Fi 6E galibi ana tura su azaman na'urori biyu (5 GHz + 6 GHz) ko (2.4 GHz + 5 GHz + 6 GHz). Don zaman tare na Multi-band da rafukan MIMO, wannan ya sake sanya buƙatu masu girma a kan gaba-gaba na RF dangane da haɗin kai, sararin samaniya, zubar da zafi, da sarrafa wutar lantarki. Ana buƙatar tacewa don tabbatar da keɓancewar bandeji don gujewa tsangwama a cikin na'urar. Wannan yana ƙara ƙira da rikitaccen tabbaci saboda ana buƙatar ƙarin gwaje-gwajen zaman tare/rashin hankali kuma ana buƙatar gwada makada da yawa a lokaci guda.
4. Gurbacewar iska tana iyakance ƙalubalen
Don tabbatar da zaman lafiya tare da wayar hannu da tsayayyen sabis a cikin rukunin 6GHz, kayan aikin da ke aiki a waje suna ƙarƙashin ikon tsarin AFC (Automatic Frequency Coordination).
5. 80MHz da 160MHz babban ƙalubalen bandwidth
Faɗin tashar tashoshi yana haifar da ƙalubalen ƙira saboda ƙarin bandwidth shima yana nufin ƙarin masu ɗaukar bayanan OFDMA ana iya aikawa (da karɓa) lokaci guda. An rage SNR kowane mai ɗaukar kaya, don haka ana buƙatar mafi girman aikin na'ura mai watsawa don samun nasarar yankewa.
Flatness na Spectral ma'auni ne na rarraba wutar lantarki a cikin duk masu ɗaukar siginar OFDMA kuma yana da ƙalubale ga manyan tashoshi. Hargitsi yana faruwa ne lokacin da masu ɗaukar mitoci daban-daban suka rage ko ƙara su da abubuwa daban-daban, kuma mafi girman mitar, mafi kusantar su nuna wannan nau'in murdiya.
6. 1024-QAM babban tsari na daidaitawa yana da buƙatu mafi girma akan EVM
Yin amfani da tsarin QAM mafi girma-tsari, nisa tsakanin wuraren taurari ya fi kusa, na'urar ta zama mai kula da nakasu, kuma tsarin yana buƙatar SNR mafi girma don ragewa daidai. Ma'aunin 802.11ax yana buƙatar EVM na 1024QAM ya zama <-35 dB, yayin da 256 EVM na QAM bai kai -32 dB.
7. OFDMA yana buƙatar ƙarin daidaitaccen aiki tare
OFDMA na buƙatar aiki tare da duk na'urorin da ke cikin watsawa. Daidaiton lokaci, mita, da aiki tare da wutar lantarki tsakanin APs da tashoshin abokin ciniki yana ƙayyade ƙarfin cibiyar sadarwa gabaɗaya.
Lokacin da masu amfani da yawa ke raba bakan da ke akwai, tsangwama daga mugun ɗan wasa ɗaya na iya lalata aikin cibiyar sadarwa ga duk sauran masu amfani. Tashoshin abokin ciniki masu shiga dole ne su watsa a lokaci guda tsakanin 400 ns na juna, daidaita mitar (± 350 Hz), da watsa iko tsakanin ± 3 dB. Waɗannan ƙayyadaddun bayanai suna buƙatar matakin daidaiton da ba a taɓa tsammani ba daga na'urorin Wi-Fi da suka gabata kuma suna buƙatar tabbatarwa a hankali.
Lokacin aikawa: Oktoba-24-2023
