LTE系统消息翻译(6)

2019-06-11 08:40

时有效。PBR_8_KBps(8千字节/秒)

..............................bucketSizeDuration --- ms300(3)// bucket size调整持续时间 ..............................logicalChannelGroup --- 0x3(3)//逻辑信道组. CCCH、SRB1、SRB2默认属于LCG 0;RRC消息在SRB上传输且SRB默认属于LCG 0,比LCG 2的优先级要高。

......................physicalConfigDedicated//物理信道配臵专用,此过程与RRC建立消息里相似,以下字段大家可以参看前面的消息,此不复述。 ........................cqi-ReportConfig

..........................cqi-ReportModeAperiodic --- rm30(3) // CQI不定期上报模式,如果CQI周期自适应开关打开,则采用周期自适应相关配臵。 ..........................nomPDSCH-RS-EPRE-Offset --- 0x0(0) ..........................cqi-ReportPeriodic ............................setup

..............................cqi-PUCCH-ResourceIndex --- 0x6(6) //CQI-PUCCH资源索引 ..............................cqi-pmi-ConfigIndex --- 0x17(23) //CQI-PMI配臵索引, 确定上报周期 NP 和偏移量 NOFFSET.

..............................cqi-FormatIndicatorPeriodic

................................widebandCQI --- (0) // 宽度CQI。CQI测量是针对k个连续的PRB(即子带)进行的。如果在所有子带内反馈一个CQI值,则称为宽带CQI;如果对每一个子带反馈不同的CQI值,称为子带反馈。

..............................simultaneousAckNackAndCQI --- TRUE(1) //确认非确认及CQI是否同时,PUCCH CQI 反馈类型,取决于传输模式。FALSE为不同时。 ........................antennaInfo//天线信息 ..........................explicitValue

............................transmissionMode --- tm2(1)

............................ue-TransmitAntennaSelection//终端UE传输天线选择,Setup或release。Setup表示开环或者闭环。 ..............................release --- (0)

........................schedulingRequestConfig//调度请求配臵 ..........................setup

............................sr-PUCCH-ResourceIndex --- 0x2(2)// sr-PUCCH资源索引 ............................sr-ConfigIndex --- 0x11(17)// SR配臵索引参数Isr

............................dsr-TransMax --- n64(4)// SR传输最大次数,当超过最大次数时,通知RRC释放PUCCH/SRS,发起一次随机接入过程。本消息表明最大次数为64次。 11 RRC_SECUR_MODE_CMP:RRC安全模式完成

安全加密及完整性配置完成 RRC-MSG ..msg

....struUL-DCCH-Message ......struUL-DCCH-Message ........message

..........c1

............securityModeComplete

..............rrc-TransactionIdentifier --- 0x1(1) ..............criticalExtensions

................securityModeComplete-r8 --- (0) 12 RRC_CONN_RECFG_CMP:RRC连接重配置完成

RRC连接重配完成消息与连接重配置消息是一对对存在的,总是对应前一个重配消息。信令中没有重配失败消息,如果重配失败,则直接发起RRC连接重建。该消息表示建立SRB2和DRB已完成。

RRC-MSG ..msg

....struUL-DCCH-Message ......struUL-DCCH-Message ........message ..........c1

............rrcConnectionReconfigurationComplete//RRC连接重配臵完成 ..............rrc-TransactionIdentifier --- 0x1(1) ..............criticalExtensions

................rrcConnectionReconfigurationComplete-r8 --- (0) 13 S1AP_INITIAL_CONTEXT_SETUP_RSP:初始化文本建立完成

初始上下文建立成功响应,如果文本建立失败可能的原因,从大类上分为无线、传输、NAS、协议、其他。

S1ap-Msg

..successfulOutcome

....procedureCode --- 0x9(9) ....criticality --- reject(0) ....value

......initialContextSetupResponse//初始文本建立响应 ........protocolIEs ..........SEQUENCE ............id --- 0x0(0)

............criticality --- ignore(1) ............value

..............mME-UE-S1AP-ID --- 0x250ff2e(38862638)//MME侧用户标识

..........SEQUENCE ............id --- 0x8(8)

............criticality --- ignore(1) ............value

..............eNB-UE-S1AP-ID --- 0x513c35(5323829) //enb侧用户标识 ..........SEQUENCE ............id --- 0x33(51)

............criticality --- ignore(1) ............value

..............e-RABSetupListCtxtSURes ................SEQUENCE ..................id --- 0x32(50)

..................criticality --- ignore(1) ..................value

....................e-RABSetupItemCtxtSURes

......................e-RAB-ID --- 0x5(5)//ERAB ID为5. ......................transportLayerAddress --- '01100100010110110000000100000010'B

......................gTP-TEID --- 0x00003723//此处的GTP-TEID为下行GTP-TEID

14 S1AP_ERAB_MOD_REQ:ERAB修改请求

对比初始文本建立时的承载,此处承载修改请求变更的内容是承载分配资源的优先级发生了改变,以前是“priorityLevel --- 0x6(6)”,现在更改为“priorityLevel --- highest(1)”。 S1ap-Msg

..initiatingMessage

....procedureCode --- 0x6(6) ....criticality --- reject(0) ....value

......e-RABModifyRequest ........protocolIEs ..........SEQUENCE ............id --- 0x0(0)

............criticality --- reject(0) ............value

..............mME-UE-S1AP-ID --- 0x250ff2e(38862638) ..........SEQUENCE ............id --- 0x8(8)

............criticality --- reject(0) ............value

..............eNB-UE-S1AP-ID --- 0x513c35(5323829) ..........SEQUENCE ............id --- 0x1e(30)

............criticality --- reject(0) ............value

..............e-RABToBeModifiedListBearerModReq ................SEQUENCE ..................id --- 0x24(36)

..................criticality --- reject(0) ..................value

....................e-RABToBeModifiedItemBearerModReq ......................e-RAB-ID --- 0x5(5)

......................e-RABLevelQoSParameters ........................qCI --- 0x6(6)

........................allocationRetentionPriority

..........................priorityLevel --- highest(1)//优先级最高

..........................pre-emptionCapability --- shall-not-trigger-pre-emption(0) ..........................pre-emptionVulnerability --- pre-emptable(1) ......................nAS-PDU

........................NAS-MESSAGE//NAS消息

..........................security-protected-and-ciphered-NAS-message//安全保护和加密NAS消息

............................protected-nas --- 0x2624558B07E228660B86640CD8C0173419340702F1C55F6EF4B76E6997F121EA514F078FB372EC8E18//保护的NAS内容 15 RRC_DL_INFO_TRANSF:RRC下行直传消息

目的:传送NAS消息

RRC-MSG ..msg

....struDL-DCCH-Message ......struDL-DCCH-Message ........message ..........c1

............dlInformationTransfer

..............rrc-TransactionIdentifier --- 0x2(2) ..............criticalExtensions ................c1

..................dlInformationTransfer-r8 ....................dedicatedInfoType ......................dedicatedInfoNAS --- 0x272624558B07E228660B86640CD8C0173419340702F1C55F6EF4B76E699

7F121EA514F078FB372EC8E18//NAS消息专用 16 S1AP_ERAB_MOD_RSP:ERAB修改完成

该条消息表示ERAB模式修改已经得到MME的认可,并完成修改,承载的优先级发生了变更。

S1ap-Msg

..successfulOutcome

....procedureCode --- 0x6(6) ....criticality --- reject(0) ....value

......e-RABModifyResponse ........protocolIEs ..........SEQUENCE ............id --- 0x0(0)

............criticality --- ignore(1) ............value

..............mME-UE-S1AP-ID --- 0x250ff2e(38862638) ..........SEQUENCE ............id --- 0x8(8)

............criticality --- ignore(1) ............value

..............eNB-UE-S1AP-ID --- 0x513c35(5323829) ..........SEQUENCE ............id --- 0x1f(31)

............criticality --- ignore(1) ............value

..............e-RABModifyListBearerModRes ................SEQUENCE ..................id --- 0x25(37)

..................criticality --- ignore(1) ..................value

....................e-RABModifyItemBearerModRes ......................e-RAB-ID --- 0x5(5) 17 RRC_CONN_RECFG:RRC连接重配置

RRC-MSG ..msg


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