CDMA, wadda ke tsaye ga Ƙarin Maɓallin Ƙungiyar Code , yana da fasahar fasaha ta wayar salula ga GSM , hanyar da wayar da aka fi amfani da ita ta duniya .
Kwanan nan ka ji labarin waɗannan maganganu yayin da aka gaya maka cewa ba za ka iya amfani da wasu wayar a kan hanyar sadarwarka ba saboda suna amfani da fasaha daban-daban waɗanda basu dace da juna ba. Alal misali, ƙila ka sami wayar AT & T wanda ba'a iya amfani dashi a cibiyar sadarwa ta Verizon saboda wannan dalili.
Yarjejeniyar CDMA ta tsara ta farko ta Qualcomm a Amurka kuma ana amfani da ita a Amurka da kuma yancin Asiya ta wasu masu sufurin.
Wadanne Ƙungiyoyi ne CDMA?
Daga cikin sanannun cibiyoyin sadarwa na yau da kullum, a nan akwai ragowar CDMA da GSM:
CDMA:
- Gudu
- Verizon Mara waya
- Virgin Mobile
GSM:
- T-Mobile
- AT & T
Ƙarin Bayani akan CDMA
CDMA yana amfani da hanyar "fasaha" wanda ake amfani da makamashi na lantarki don ba da izinin siginar tare da bandwidth mafi fadi. Wannan yana bada dama ga mutane da yawa a cikin wayoyin salula masu yawa don "zama da yawa" a kan wannan tashar don rarraba bandwidth na ƙananan.
Tare da fasahar CDMA, ana raba rahotannin bayanai da muryoyin murya ta hanyar amfani da lambobin sannan kuma an yi amfani da su ta hanyar amfani da tasha mai yawa. Tun lokacin da aka ƙayyade sararin samaniya don bayanai tare da CDMA, wannan daidaitattun ya zama kyakkyawa don amfani da intanet ta wayar tafi-da-gidanka na 3G .
CDMA vs GSM
Mafi yawancin masu amfani bazai buƙatar damuwa game da abin da cibiyar sadarwar wayar suka zaba a cikin abin da fasaha ya fi kyau. Duk da haka, akwai wasu bambance-bambance daban-daban da za mu dubi a nan.
Coverage
Yayinda CDMA da GSM ke yin gwagwarmayar kai tsaye dangane da gudunmawar haɓakar bandwidth, GSM yana da cikakken cikakkiyar yanayin duniya saboda yadda ake tafiyar da hanyoyi masu tasowa.
GSM fasaha tana kokarin rufe yankunan karkara a Amurka fiye da CDMA. Yawancin lokaci, CDMA ya ci gaba da ƙwarewar fasaha na TDMA ( Time Division Multiple Access ), wanda aka sanya shi zuwa GSM mai ci gaba.
Kayan na'ura da katin SIM
Yana da sauƙin sauƙi wayoyin hannu a cibiyar sadarwar GSM da CDMA. Wannan shi ne saboda wayoyin GSM suna amfani da katunan katin SIM mai kariya don adana bayanai game da mai amfani a cibiyar sadarwar GSM, yayin da wayoyin CDMA basuyi ba. Maimakon haka, cibiyoyi na CDMA suna amfani da bayanan da ke cikin sakon uwar garken don tabbatar da irin wannan bayanin da aka sanya katin GSM a cikin katin SIM.
Wannan yana nufin cewa katunan katin SIM a kan sadarwar GSM yana iya canzawa. Alal misali, idan kun kasance a cibiyar sadarwar AT & T, saboda haka suna da katin AT & T na wayarka a wayarka, zaka iya cire shi kuma saka shi cikin wani GSM waya daban, kamar T-Mobile waya, don canja wurin duk bayanan biyan kuɗi , ciki har da lambar wayarka.
Abin da wannan ya dace shine ya baka damar amfani da wayar T-Mobile akan cibiyar AT & T.
Irin wannan sauƙi mai sauƙi ba zai yiwu ba tare da mafi yawan wayoyin CDMA, koda kuwa suna da katunan katin SIM mai sauyawa. Maimakon haka, kuna buƙatar izinin mai ɗaukar ku don yin wannan swap.
Tun da GSM da CDMA basu dace da juna ba, bazaka iya amfani da wayar Gyara a kan hanyar T-Mobile ba, ko kuma waya ta Verizon Wireless tare da AT & T. Haka yake don duk wani nau'in na'ura da mai ɗaukar hoto wanda zaka iya fitar daga jerin CDMA da GSM daga sama.
Tip: Wayoyin CDMA da suke amfani da katunan SIM suna yin haka ko dai saboda LTE na buƙatar shi ko saboda wayar yana da slot na SIM don karɓar cibiyar sadarwar GSM waje. Wadannan masu sufuri, duk da haka, suna amfani da fasahar CDMA don adana bayanan mai biyan kuɗi.
Sautin lokaci daya da amfani da bayanai
Yawancin cibiyoyin CDMA ba su yarda izinin murya da watsa bayanai ba a lokaci guda. Wannan shine dalilin da ya sa za ka iya bombarded tare da imel da sauran sanarwa na intanet idan ka gama kira daga cibiyar sadarwa ta CDMA kamar Verizon. Bayanai yana da kyau a kan hutu lokacin da kake cikin kira.
Duk da haka, zaku lura cewa irin wannan labari yana aiki ne kawai idan kun kasance a cikin wayar tarho cikin kewayon cibiyar sadarwa na WiFi saboda wifi, ta ma'anarsa, ba ta amfani da hanyar sadarwa.