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Content for TS 48.002 Word version: 18.0.0

1… 4…

4 Functional division between Base Station System (BSS) and MSC p. 8

4.1 Terrestrial channel management p. 8

4.1.1 Terrestrial channel allocation p. 8

4.1.2 Blocking of terrestrial channels p. 9

4.2 Radio channel management p. 9

4.2.1 Channel configuration management p. 9

4.2.2 Radio TCH management p. 9

4.2.2.1 Radio channel allocation p. 9

4.2.2.2 TCH radio link supervision p. 9

4.2.2.3 Frequency hopping management p. 9

4.2.2.4 Idle channel observation p. 9

4.2.2.5 TCH power control p. 10

4.2.2.6 TCH channel release p. 10

4.2.3 BCCH CCCH management p. 10

4.2.3.1 Scheduling of BCCH and CCCH messages p. 10

4.2.4 DCCH Management p. 10

4.2.4.1 DCCH link supervision p. 10

4.2.4.2 DCCH channel release p. 10

4.2.4.3 DCCH power control p. 10

4.2.4.4 Radio Channel Allocation p. 10

4.3 Resource indication p. 10

4.4 Channel coding decoding p. 10

4.5 Transcoding/rate adaptation p. 11

4.6 Interworking function (data calls) p. 11

4.7 Measurement information p. 11

4.7.1 Measurement information reported from the MS p. 11

4.7.2 Uplink measurement information p. 11

4.7.3 Traffic information p. 11

4.8 Handover p. 11

4.8.1 Internal handover within one cell p. 11

4.8.2 Internal handover between cells p. 11

4.8.3 External handover p. 12

4.8.3.1 Recognition that a handover is required for a radio reason p. 12

4.8.3.2 Recognition that a handover is required for a traffic reason p. 12

4.8.3.3 Decision of Target Cell p. 12

4.8.3.4 Execution p. 12

4.9 Mobility management p. 12

4.10 Call control p. 12

4.11 Security features p. 12

4.11.1 User data confidentiality p. 12

4.11.2 User identity confidentiality p. 13

4.11.3 Signalling information confidentiality p. 13

4.11.4 Authentication of users p. 13

4.12 Global Text Telephony p. 13

4.13 NAS Node Selection Function p. 13

5 Transcoder/rate adapter integration p. 13

5.1 TDM based A-Interface p. 13

5.2 IP based A-Interface p. 13

6 Multiplexing of common and dedicated control channels p. 14

7 Classes of signalling messages p. 14

8 Support of services and features other than speech p. 14

8.1 Data services p. 14

8.2 Supplementary services p. 14

9 Interface structures p. 14

10 Operation and maintenance p. 15

A Remote Mobile Switching Unit (RMSU) p. 16

A.1 Introduction p. 16

A.2 Functions provided by the RMSU p. 16

A.3 General requirements p. 16

B Void

$ Change History p. 18