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ＧＳＭ的无线传输接口前言在欧洲，有关ＧＳＭ（全球移动通信系统）的工作始于１９８２年，欧洲邮电管理委员会（ＣＥＰＴ把一个新频段（８９—９１５ＭＨＺ和９３５～９６０ＭＨｚ份配给蜂窝区移动通信，并建立了一个特别工作组（ＧＳＭ），接着以ＳＭＧ（Ｓｐｅｃｉａｌ...
GSM Wireless Interface Preface In Europe, work on GSM (Global System for Mobile Communications) began in 1982 with the European Post and Telecommunication Commission (CEPT) allocating a new frequency band (89-915 MHz and 935-960 MHz to cellular cellular communications and Established a special working group (GSM), followed by SMG (Special ...