GSM

From Wikipedia

[edit] Horudhac

Sistamka Isgaarsiinta Caalamaka ee teleefonada gacanta oo loo soo gaabiyo GSM (Global System for Mobile Communication) waa farsamo iyo shuruuc la'dejiyay taasoo sababtay in telefoonada gacanta ee caalamka ee isu soo dhawaadaan oo ay sahlaan in horumarintooda lagawada qaybqaato.

Magaca GSM waa magac loo bixiyey koox la dhisay sanadka markii uu ahaa 1982 looguna talagalay in ay sameyo shuruuc (standard) midaysan, oo noqda mid wada mideeysa dhamaan isgaarsiinta teleefonada gacanta ee qaarada yurub lana siiyo fursad ay wadamada kale kaga faa'ideystaan. Sistamkaasna waxaa loo qorsheeyay in uu ku shakheeyo hirarka 900 MHz. Isticmaalka teleefonada gacanta waa teknoolojiyada isgaarsiinta uu horemarkeeda aad u socdo dadka dunida ku nool waxaa ka isticmaala inku dhow 30% (Desember 2006) taasoo u dhiganta labo miliyardi. Fikrada guud ee teleefonada gacanta waa ayaga oo isticmaalaya awood (Power) aad u yar marka uu qadka furanyahay. Hadii loo fiiriyo awoodaas awoodaha ay raadiyoyaasha ciidamada ay kuwada xiriiraan waxaa u dhaxayso farqi aad u wayn (1/10000).