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    Isingeniso esifushane sama-Wi-Fi Antenna

    Isikhathi sokuthumela: Jun-14-2022

    I-Antenna iyisisetshenziswa esingenzi lutho, sithinta kakhulu amandla e-OTA nokuzwela, ukumbozwa kanye nebanga, futhi i-OTA iyindlela ebalulekile yokuhlaziya nokuxazulula inkinga yokuphuma, ngokuvamile thina ikakhulukazi ngamapharamitha alandelayo (amapharamitha alandelayo awalicabangeli iphutha elabhorethri, ukusebenza kwedizayini ye-antenna kuzophinde kuthinte ukusebenza kokuphumayo):

    a) VSWR

    Linganisa idigri yokuboniswa kwamasiginali okokufaka endaweni yokuphakela kwe-antenna.Leli nani alisho ukuthi ukusebenza kwe-antenna kuhle, kodwa inani alilihle, kusho ukuthi okokufaka kwamandla endaweni okuphakelayo kwe-antenna kubonakala kakhulu, uma kuqhathaniswa ne-antenna yamagagasi emile, amandla angasetshenziselwa imisebe. yehliswe kakhulu.

    b) ukukhiqiza

    Isilinganiso samandla akhishwa uthi kuya kokokufaka kwamandla endaweni yokuphakelayo yothi sizothinta ngokuqondile ukusebenza kwamandla e-Wi-Fi OTA (TRP) kanye nokuzwela (TIS).

    c) inzuzo

    Imele isilinganiso samandla sendawo endaweni eya ku-antenna yomthombo wephoyinti efanelekile lapha, kuyilapho idatha ye-OTA ngokuvamile iyinzuzo enkulu yefrikhwensi eyodwa (isiteshi) endimeni, ehlobene kakhulu nebanga lokudlulisela.

    d) TRP/TIS

    Lezi zinkomba ezimbili ezibanzi zitholwa ngokuhlanganisa yonke inkundla yemisebe yesikhala esikhululekile (engaqondwa njengendawo yelabhorethri ye-OTA), engabonisa ngokunembile ukusebenza kwe-Wi-Fi komkhiqizo (i-PCBA hardware + OTA ukusebenza kwesikhunta + i-antenna).

    Uma ukuhlolwa kwe-TRP / TIS kuhlukile kulokho okulindelekile, qaphela ukuthi i-Wi-Fi ingena kumodi yamandla aphansi kanye nemikhiqizo esebenza ngebhethri;I-TRP idinga ukugxila kumodi ye-ACK kanye ne-non-ACK, futhi i-TIS ibilokhu iyiphuzu eliyinhloko ku-OTA, ngemva kwakho konke, ukudluliswa kungabonisa kuphela ukuphazamiseka okuthile, izici zesofthiwe zizophinde zithinte i-TIS.

    I-TRP / TIS ingasetshenziswa njengendlela ebalulekile yokuhlaziywa kokuphuma kwe-Wi-Fi.

    e) umdwebo oqondisayo

    Isetshenziselwa ukuhlola ngokufanelekile ukumbozwa kwemisebe yomkhiqizo emkhathini, futhi idatha yokuhlola ivamise ukwehlukaniswa ngokuya ngefrikhwensi (isiteshi), imvamisa ngayinye inobuso obuthathu: H, E1 kanye no-E2, ukuze ibonise ukumbozwa kwesiginali yonke inkundla ye-antenna.Uma umkhiqizo we-Wi-Fi empeleni usetshenziswa ebangeni elide (lapho ishadi lomumo lingakwazi ukubonakala ebangeni eliseduze), ukumbozwa kwesignali engenantambo yomkhiqizo empeleni kuqinisekiswa ngokuhlola ukuphuma kuma-engeli amaningi.

    izimpondo1 izimpondo2

    f) ukwahlukanisa

    Idigri ye-Isolation ikala izinga lokuhlukaniswa le-antenna yeziteshi eziningi ze-Wi-Fi kanye nokuhlangana phakathi kwezimpondo.Idigri enhle yokuhlukanisa inganciphisa ukuhlangana phakathi kwezimpondo futhi ibe nemephu yokuqondisa okuhle, ukuze wonke umshini ube nesiginali engenantambo.



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