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Content for  TS 23.121  Word version:  3.6.0

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4  Working assumptionsp. 7

4.1  Generalp. 7

4.2  Iu Interfacep. 7

4.3  UMTS Mobility Management (UMM)p. 14

4.3.1  Location Management and Mobility Management concept overviewp. 14

4.3.2  Description of the Location Management and Mobility Management Conceptp. 17

4.3.3  Relationship between MM and SM states for an UEp. 19

4.3.4  Requirement in case of temporarily loss of coverage of packet UEp. 20

4.3.5  MM functionality in different UE service statesp. 20

4.3.6  The RRC state machinep. 21

4.3.7  Relationship between CS and PS service states and RRC state for an UEp. 22

4.3.8  Service registration and location updatep. 23

4.3.9  Paging initiated by CNp. 23

4.3.10  Signalling connection establishmentp. 24

4.3.10a  CS Domain Signalling Requirements (in particular relating to handover)p. 24

4.3.11  Relations between SRNS relocation and Location registrationp. 24

4.3.12  Requirements on Identifiers for UMTS and GSMp. 26

4.3.13  Use of TMSI signaturep. 26

4.3.14  Signalling proceduresp. 27

4.3.15  -p. 36

4.3.16  UTRAN coordinationp. 36

4.4  UMTS call controlp. 37

4.5  Core network layer 3p. 43

4.6  Structure of radio interface layer 3p. 44

4.7  Alternate Access technologies to UTRANp. 44

4.8  Location of the IP compression function in UMTSp. 45

4.9  Short Message Service for UMTSp. 46

4.10a  Cell Broadcast Service in UMTSp. 47

4.10  Mobile IP for UMTS/GPRS End Usersp. 49

4.11  Allowed network and terminal configurationsp. 51

5  UMTS to UMTS handover for circuit switched servicesp. 52

6  Interoperability between GSM and UMTSp. 52

A  Reduction of UMTS signallingp. 56

$  Change historyp. 57


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