LTE L3 NAS 信令详解.ppt

Neighbor RATT+H+Offset * Neighbor RATT2+H+Offset Serving cellT1+H+Offset * Neighbor Cell signalServing cell signal+Offset+Hysteresis * SA1tHRESHOLD+Hysteresis * SA1tHRESHOLD+Hysteresis * SA1tHRESHOLD+Hysteresis * * * * * * * Paging Type: PCCH Direction: Downlink Arfcn\Pci: 38950 - 3 PCCH-Message message c1 paging pagingRecordList PagingRecord ue-Identity s-TMSI mmec: 0x10 m-TMSI: 0xC0013193 cn-Domain: (1) cs * * RRCConnectionRequest RRCConnectionSetup RRCConnectionSetupComplete Extended Service Request Security header type: (1) Integrity protected protocol_discriminator: EPS Mobility Management Message authentication code: 0xb1162b9b Sequence number: 4 Security header type: (0) Plain NAS message, not security protected protocol_discriminator: (7) EPS mobility management messages NAS EPS Mobility Management Message Type: (0x4c) Extended service request Type of security context flag (TSC): (0) Native security context NAS key set identifier: (5) Service type: (1) Mobile terminating CS fallback or 1xCS fallback Mobile identity - M-TMSI Length: 5 octets Odd/even indication: (0) even number of identity digits Type of identity: (4) TMSI/P-TMSI Identity digits (HEX): c0 01 31 93 CSFB response 1011 .... = Element ID CSFB response: (1) CS fallback accepted by the UE * * DLInformationTransfer CS Service Notification Security header type: (2) Integrity protected and ciphered protocol_discriminator: EPS Mobility Management Message authentication code: 0xb6863e78 Sequence number: 1 Security header type: (0) Plain NAS message, not security protected protocol_discriminator: (7) EPS mobility management messages NAS EPS Mobility Management Message Type: (0x64) CS Service notification Paging identity Paging identity valu