我们经常会看到听到一些流行词汇,也许并不清楚其全名是什么。
GSM(Global system for mobile),2G
UMTS(Universal mobile telecommunication system),3G
LTE(Long term evolution),4G
5G NR(5G New Radio),5G新空口
eCall(Emergency call),2G至5G
C-V2X(Cellular vehicle-to-everything communications)
V2X(Vehicle-to-everything communications)
WLAN(Wireless local area network),Wi-Fi
NFC(Near field communications)
RFID(Radio frequency identification)
GNSS(Global navigation satellite systems)全球导航卫星系统
美国的叫GPS,欧洲的叫Galileo,中国的叫BeiDou,俄罗斯的叫GLONASS
DVB(Digital video broadcasting)
ISDB-T(Integrated services digital broadcasting terrestrial)
ADAS(Advanced driver assistance systems)