如果您无法下载资料，请参考说明：
1、部分资料下载需要金币，请确保您的账户上有足够的金币
2、已购买过的文档，再次下载不重复扣费
3、资料包下载后请先用软件解压，在使用对应软件打开
NAS消息类型：EPSmobilitymanagementmessagetypes和EPSsessionmanagementmessagetypes——（24301-a10（230页））。根据协议指示判断是移动性管理消息和会话管理消息:Protocoldiscriminator——（24007-900（100页））if（pd==2）{会话管理消息解码（8.3节）}elseif（pd==7）{移动性管理消息解码（8.2节）}移动性管理消息解码：协议指示（Protocoldiscriminator）+安全头（Securityheadertype）：1字节消息类型（Messagetype）：1字节其他字段解码。。。。。。会话管理消息解码：协议指示（Protocoldiscriminator）+承载ID（EPSbeareridentity）：1字节过程事务ID（Proceduretransactionidentity）：1字节消息类型（Messagetype）：1字节其他字段解码。。。。。。注1：TLV（标志，长度，值）注2：O：可选部分；M：必选固定；C：条件可选。Table9.8.1:MessagetypesforEPSmobilitymanagementBits8765432101------EPSmobilitymanagementmessages01000001Attachrequest01000010Attachaccept01000011Attachcomplete01000100Attachreject01000101Detachrequest01000110Detachaccept01001000Trackingareaupdaterequest01001001Trackingareaupdateaccept01001010Trackingareaupdatecomplete01001011Trackingareaupdatereject01001100Extendedservicerequest01001110Servicereject01010000GUTIreallocationcommand01010001GUTIreallocationcomplete01010010Authenticationrequest01010011Authenticationresponse01010100Authenticationreject01011100Authenticationfailure01010101Identityrequest01010110Identityresponse01011101Securitymodecommand01011110Securitymodecomplete01011111Securitymodereject01100000EMMstatus01100001EMMinformation01100010DownlinkNAStransport01100011UplinkNAStransport01100100CSServicenotification01101000DownlinkgenericNAStransport01101001UplinkgenericNAStransportTable9.8.2:MessagetypesforEPSsessionmanagementBits8765432111------EPSsessionmanagementmessages11000001ActivatedefaultEPSbearercontextrequest11000010ActivatedefaultEPSbearercontextaccept11000011ActivatedefaultEPSbearercontextreject11000101ActivatededicatedEPSbearercontextrequest11000110ActivatededicatedEPSbearercontextaccept11000111ActivatededicatedEPSbearercontextreject11001001ModifyEPSbearercontextrequest11001010ModifyEPSbearercontextaccept11001011ModifyEPSbearercontextreject11001101DeactivateEPSbearercontextrequest11001110DeactivateEPSbearercontextaccept11010000PDNconnecti
立即下载
