ETSI EN 300 938-2000 数字蜂窝通信系统(第2+阶段).移动台-基站系统(MS-BSS)接口.数据链路(DL)层规范.GSM 04.06(版本8.0.1,1999年发布)
Digital Cellular Telecommunications System (Phase 2+); Mobile Station - Base Station System (MS - BSS) Interface; Data Link (DL) Layer Specification (GSM 04.06 Version 8.0.1 Release 1999)