有，参阅。
3GPP TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based Services and Packet Data Networks (PDN)"
IETF RFC 2865: "Remote Authentication Dial In User Service (RADIUS)"
IETF RFC 2866: "Remote Accounting"
IETF RFC 3576: "Dynamic Authorization Extensions to Remote Authentication Dial In User Service (RADIUS)"
IETF RFC 1661: "The Point-to-Point Protocol (PPP)"
IETF RFC 1334: "PPP Challenge Handshake Authentication Protocol (CHAP)"
