Ali Rahmanpour

internet of things smartcity communications iot télécommunications internet wireless mobile lte lte-advanced technology persian icann industry transformation digital startup lessons learned workshop iran smart city low power wide area lpwan business model ppp communication networks review umts gsm networks farsi evolution cdma wireless networks cellular communications wireless security secrecy security physical layer security wireless communications mimo communications mimo wireless channels زیرساخت dns servers root servers iran irantelecom اینترنت dariche سرور ریشه ایران dns infrastructure