Content for TR 44.901 Word version: 18.0.0
4 Introduction and Motivation
5 Requirements
6 Generic mechanism for exchange of RAN information
7 Exchange of RAN information for external NACC
8 Interface load
9 Phased approach for the implementation
10 Open Issues
11 Specification Impact and Associated Change Requests
$ Change History
4 Introduction and Motivation p. 7
4.1 Task Description p. 7
4.2 GPRS Cell Reselection pre-Release 4 p. 7
4.3 NACC in GERAN Release 4, Short description p. 7
4.4 Extension of NACC in Release 5 p. 8
4.4.1 General p. 8
4.4.2 Short Technical Description p. 10
5 Requirements p. 10
5.1 Architectural Requirements p. 10
5.1.1 Case 16 - Intra-UTRAN case p. 11
5.1.2 Case 4, 8, 12: GERAN → UTRAN p. 12
5.1.3 Case 13 - 15: UTRAN → GERAN p. 12
5.2 Node Requirements p. 12
5.3 Interface Requirements p. 13
5.3.1 Gb interface p. 13
5.3.2 A interface p. 13
5.3.3 Iu interface p. 13
5.3.4 Iur-g (Iur) interface p. 14
5.3.5 Gn interface p. 14
5.3.6 Uu interface p. 14
5.3.7 Um interface p. 14
6 Generic mechanism for exchange of RAN information p. 14
6.1 General p. 14
6.2 Generic RIM procedures for exchange of RAN information p. 15
6.2.1 General p. 15
6.2.2 RAN Information Request procedure p. 15
6.2.3 RAN Information Send procedure p. 15
6.2.4 RIM support in CN/RAN nodes. p. 16
6.3 Messages for RAN information p. 16
7 Exchange of RAN information for external NACC p. 18
7.1 Principles for use of the generic mechanism for exchange of RAN information for NACC application p. 18
8 Interface load p. 19
9 Phased approach for the implementation p. 20
10 Open Issues p. 20
11 Specification Impact and Associated Change Requests p. 20
11.1 General p. 20
11.2 3GPP TS 23.060 GPRS; Stage 2 description p. 20
11.3 3GPP TS 44.018 Mobile radio interface layer 3 specification p. 21
11.4 3GPP TS 44.060 GPRS RLC/MAC Protocol p. 21
11.5 3GPP TS 48.018 BSS GPRS Protocol (BSSGP) p. 21
11.6 3GPP TS 29.060 GPRS Tunneling Protocol (GTP) p. 21
11.7 3GPP TS 25.41x UTRAN Iu interface p. 21
$ Change History p. 22
