ETSI TS 100 938-2001 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)层的规范3GPP TS 04.06(版本7.2.1,1998年发布)
Digital Cellular Telecommunications System (Phase 2+); Mobile Station - Base Stations System (MS-BSS) Interface; Data Link (DL) Layer Specification 3GPP TS 04.06 Version 7.2.1 Release 1998