Ko da yake an ba da lasisin 4G a China, an fara aikin gina manyan hanyoyin sadarwa.Fuskantar yanayin haɓakar fashewar bayanan wayar hannu, ya zama dole a ci gaba da haɓaka ƙarfin cibiyar sadarwa da ingancin ginin cibiyar sadarwa.Koyaya, watsawar mitar 4G, haɓakar tsangwama, da buƙatar raba rukunin yanar gizon tare da tashoshin tushe na 2G da 3G suna haifar da haɓaka eriyar tashar tushe zuwa jagorar haɓaka mafi girma, faɗaɗa bandwidth da ƙarin daidaitawa.
Ƙarfin ɗaukar hoto na 4G.
Kyakkyawan Layer ɗaukar hoto na cibiyar sadarwa da ƙayyadaddun kauri na iya aiki sune tushe guda biyu don tantance ingancin cibiyar sadarwa.
Ya kamata sabuwar hanyar sadarwa ta ƙasa ta yi la'akari da gina layin ƙarfin cibiyar sadarwa yayin da ake kammala abin da aka yi niyya."Gaba ɗaya magana, akwai hanyoyi guda uku ne kawai don haɓaka ƙarfin hanyar sadarwa," in ji Wang Sheng, darektan tallace-tallace na hanyoyin sadarwa mara waya ta China na sashin kasuwanci mara waya ta CommScope, ya shaida wa labaran lantarki na kasar Sin.
Ɗayan shine a yi amfani da ƙarin mitoci don ƙara girman bandwidth.Misali, GSM da farko yana da mitar 900MHz kawai.Daga baya, masu amfani sun karu kuma an ƙara mitar 1800MHz.Yanzu mitoci 3G da 4G sun fi yawa.Mitar TD-LTE ta China Mobile tana da makada uku, kuma an yi amfani da mitar 2.6GHz.Wasu mutane a cikin masana'antar sun yi imanin cewa wannan shine iyaka, saboda yawan haɓakawa mai girma zai kasance mafi tsanani, kuma shigar da kayan aiki da kayan aiki ba su da kyau.Na biyu shi ne kara yawan tashoshi na tushe, wanda kuma shine hanyar da aka fi amfani da ita.A halin yanzu, an rage yawan tashoshi na tushe a manya da matsakaitan birane daga matsakaicin tasha daya a kowace kilomita zuwa tasha daya mai tsawon mita 200-300.Na uku shi ne inganta aikin bakan, wanda shi ne alkiblar kowane zamani na fasahar sadarwar wayar salula.A halin yanzu, ingancin bakan na 4G shi ne mafi girma, kuma ya kai matakin raguwar mita 100 a Shanghai.
Samun kyakkyawan kewayon cibiyar sadarwa da ƙayyadadden kauri na iya aiki manyan tushe guda biyu ne na cibiyar sadarwa.Babu shakka, matsayin China Mobile na TD-LTE shine ƙirƙirar hanyar sadarwa mai inganci kuma ta tsaya a saman kasuwar 4G tare da ƙwarewar mai amfani mai inganci."Muna da hannu wajen gina yawancin cibiyoyin sadarwa na 240 LTE a duniya.""Daga kwarewar CommScope, akwai abubuwa biyar a cikin ginin cibiyar sadarwa na LTE. Na farko shine sarrafa hayaniyar hanyar sadarwa; na biyu shine tsarawa da sarrafa sassan mara waya; na uku shine sabunta hanyar sadarwa; na hudu shine yin amo. aiki mai kyau a cikin siginar dawowa, wato, bandwidth na siginar haɓakawa da siginar saukar da siginar ya kamata ya kasance mai faɗi sosai; na biyar shine yin aiki mai kyau na ɗaukar hoto na cikin gida da ɗaukar hoto a ƙarƙashin yanayi na musamman na wurare.
Bayanan fasaha na gwajin sarrafa amo.
Matsala ce ta gaske don sarrafa matakin amo da sanya masu amfani da gefen hanyar sadarwa su sami damar shiga cikin sauri.
Ya bambanta da haɓaka siginar 3G ta hanyar haɓaka ƙarfin watsawa, cibiyar sadarwar 4G za ta kawo sabon hayaniya tare da haɓaka siginar."Halayen cibiyar sadarwar 4G shine cewa amo ba wai kawai yana shafar sashin da eriya ta rufe ba, har ma yana shafar sassan da ke kewaye da shi. Misali, zai haifar da ƙarin laushi mai laushi, wanda zai haifar da asarar fakiti mai yawa. Ayyukan shine cewa An rage yawan watsa bayanai, an rage kwarewar mai amfani, kuma an rage kudaden shiga."Wang Sheng ya ce, "mafi nisa hanyar sadarwar 4G daga tashar tushe, raguwar adadin bayanai yana raguwa, kuma mafi kusancin hanyar sadarwa ta 4G zuwa na'urar watsawa, yawan albarkatun da masu amfani da su za su iya samu. Muna buƙatar sarrafa matakin amo, don haka. cewa gefen hanyar sadarwa na iya samun damar shiga cikin sauri, wanda shine matsalar da muke buƙatar magancewa."Don magance wannan matsala, akwai buƙatu da yawa: na farko, bandwidth na ɓangaren RF ya kamata ya kasance mai faɗi;na biyu, aikin kayan aiki na duk hanyar sadarwar mitar rediyo yakamata ya zama mai kyau;na uku, bandwidth na siginar haɓakawa da aka dawo ya kamata ya kasance mai faɗi sosai.
A cikin hanyar sadarwa ta 2G ta gargajiya, madaidaicin kewayon cibiyar sadarwa na sel tasha na kusa yana da girma.Wayoyin hannu na iya karɓar sigina daga tashoshin tushe daban-daban.Wayoyin hannu na 2G za su kulle ta atomatik a cikin tashar tashar tare da sigina mafi ƙarfi, yin watsi da wasu.Domin ba zai sauya akai-akai ba, ba zai haifar da wani tsangwama ga tantanin halitta na gaba ba.Don haka, a cikin hanyar sadarwar GSM, akwai wurare 9 zuwa 12 masu ruɓani waɗanda za a iya jurewa.Duk da haka, a cikin lokacin 3G, haɗin haɗin haɗin yanar gizon zai yi tasiri mai girma akan iya aiki na tsarin.Yanzu, ana amfani da eriya tare da rabin kusurwar kwancen digiri 65 don ɗaukar sassa uku.Rukunin ɓangarori uku na LTE yana buƙatar eriya mai ƙarfi da za a yi ta hanyar 3G."Wani abin da ake kira eriya mai girma yana nufin cewa lokacin yin ɗaukar nauyin eriya na digiri 65, ɗaukar hoto a bangarorin biyu na cibiyar sadarwa yana raguwa da sauri, yana sa yankin da ke haɗuwa tsakanin cibiyoyin sadarwa ya zama ƙarami. Saboda haka, zamu iya ganin cewa cibiyoyin sadarwa na LTE suna da girma kuma suna da girma. mafi girman buƙatun kayan aiki."Wang Sheng ya ce.
Rarraba mitar eriya mai zaman kanta ta lantarki tana ƙara zama mai mahimmanci.
Wajibi ne a sarrafa gefen hanyar hanyar sadarwa daidai don rage tsangwama tsakanin tashoshi.Hanya mafi kyau ita ce gane sarrafa eriya mai nisa.
Don warware katsalandan kula da cibiyar sadarwa, yafi dogara a kan abubuwa da yawa: na farko, cibiyar sadarwa shirin, barin isa yabo a cikin mita;na biyu, matakin na'ura, kowane tsarin gini ya kamata a sarrafa shi da kyau;na uku, matakin shigarwa."Mun shigo kasar Sin ne a shekarar 1997, kuma mun gudanar da ayyuka da dama, a kwalejin Andrew, wadda ta kware a fannin eriya, za mu yi horo domin koyar da su yadda ake sakawa da amfani da kayayyakin mu mara waya, a sa'i daya kuma, muna da wata tawagar da za ta yi amfani da su wajen yin amfani da su. yin haši da eriya.” Samfuran mara waya, musamman samfuran waje, suna da mafi munin yanayin aiki a cikin tsarin sadarwa gabaɗaya, suna fuskantar iska, rana, ruwan sama, yanayin zafi da ƙarancin zafin jiki, don haka buƙatunsa suna da girma sosai."Kayayyakinmu na iya tsayawa a can har tsawon shekaru 10 zuwa 30. Ba abu ne mai sauki ba."Wang Sheng ya ce.
Lokacin aikawa: Agusta-03-2022
