LTE - Arquitetura, Protocolos e Procedimentos - By MM
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Transcript of LTE - Arquitetura, Protocolos e Procedimentos - By MM
LTEOverview
Arquitetura, Protocolos, Fluxo de Procedimentos, Configuração E/// e Desempenho VIVO
Mário Márcio Garcia Granja14/01/2013
Arquitetura EPS – LTEEPS – Evolved Packet System
EPC – Evolved Packet Core MME SAE/S-GW PDN-GW
E-UTRAN – Evolved UTRAN E-NODEB UE
USIM TE
NE E-nodeB - Evolved Node B
RRM RRC – Radio Resource Control. SIS Info e Cell Selection. Alocação de Recursos. Controle de Acesso (Admission Control). Controle de Mobilidade.
PDCP Compressão do cabeçalho IP. Segurança (RRC e UP) IPSEC Opcional
Roteamento CP para MME UP para S-GW Classificação de pacotes e QoS (MAC)
Identificação GUTI – Similar ao TMSI (Attach) TAI – Similar ao RAI ECGI – Identificação global da célula.
MME – Mobilty Management Entity CP – Sinalização NAS
EMM (Attach, Detach, TAU, Service Request, Alocação de GUTI, Autenticação, Paging, Security Mode Control)
ESM (Ativação , Modificação e Desativação de Bearer Context) Inter MME Handover Interligação rede IMS (HSS e AAA)
S-GW UP – Buffer de Pacotes GTP/PMIP Roteamento de Pacotes
Interfaces Uu – RF (RRC e Datagramada IP) S1-MME – Control Plane (S1AP) S1-U – User Plane (Datagrama IP) X2 – User e/ou Control Plane (X2AP)
Protocolos e Funcionalidades
CP: Control Plane
UP: User P lane
EPS – Bearer
Canais Físicoso Downlink
PSS – Primary Syncronization (PL Identity – 3 ). SSS – Secondary Syncronization (PL Cell Identity – 168). PBCH – Physical Broadcast Channel (MIB). PDSCH – Physical Downlink Shared Channel (User Data, SIB). PDCCH – Physical Downlink Control Channel (Alocação de Recursos). PHICH – Physical (HARQ , ACK e NACK UL Packet). PCFICH – Physical Control Format Indicator Channel (Símbolos OFDM no PDCCH). DRS – Demoulation Reference Signal (Associado a transmissão do PUSCH e PUCCH).
o Uplink PUSCH – Physical Uplink Shared Channel (Control e User Data). PUCCH – Physical Uplink Control Channel (UCI, CQI, ACK, NACK do DL). PRACH – Physical Random Access Channel (Transmissão de Preambulo). SRS – Sound Reference Signal ( Garantia de qualidade no canal utilizado).
SRBo SRB0 – Estabelecimento de RRC mapeado no CCCH – Canal Comum.o SRB1 – Transporte de mensagens RRC e NAS de Alta prioridade no DCCH – Canal Dedicado.o SRB2 – Transporte de mensagens RRC e NAS de Baixa prioridade no DCCH – Canal Dedicado.
Physical Layer – RF – OFDMA e SC-FDMA
Banda Brasil
Portadora e SubPortadoras
Ocupação da Portadora – UE/e-NB
SC-FDMA – Single Carrier FDMA
OFDMA – Ortogonal FDMA
Vídeo YouTube: Rohde & Schwarz LTE Basic Webinar – Part 03
Configuração e-NodeB - Ericsson=================================================================================================================
8 SystemFunctions=1,Licensing=1,CapacityLicenses=1,CapacityConnectedUsers=1
=================================================================================================================
CapacityConnectedUsersId 1
capacityUnitConnectedUsers Number of Connected Users
gracePeriodActive false
gracePeriodAvailable true
gracePeriodOriginalLicenseLimit 0
gracePeriodTimeLeft 0
keyIdConnectedUsers CXC4010608
licConnectedUsersPercentileConf 90
licenseCapacityConnectedUsers 1500
licenseStateConnectedUsers 1 (ENABLED)
=================================================================================================================
9 SystemFunctions=1,Licensing=1,CapacityLicenses=1,CapacityChannelBandwidth=20MHz
=================================================================================================================
CapacityChannelBandwidthId 20MHz
capacityUnitChannelBandwidth Number of 20000kHz licenses
keyIdChannelBandwidth CXC4010720
licenseCapacityChannelBandwidth 3
licenseStateChannelBandwidth 1 (ENABLED)
130114-15:20:23 10.11.23.130 9.0k ERBS_NODE_MODEL_C_1_124 stopfile=/tmp/27499
=================================================================================================================
16 SystemFunctions=1,Licensing=1,CapacityLicenses=1,DlBasebandCapacity=1
=================================================================================================================
DlBasebandCapacityId 1
capacityUnitDlBbCapacity Mbit/s
keyIdDlBbCapacity CXC4010623
licDlBbPercentileConf 90
licenseCapacityDlBbCapacity 450
licenseStateDlBbCapacity 1 (ENABLED)
=================================================================================================================
110 Equipment=1,Subrack=1,Slot=1
=================================================================================================================
SlotId 1
activeSwAllocation SwAllocation=main
productData Struct{5}
>>> 1.productName = DUS4101
>>> 2.productNumber = KDU 137 624/1
>>> 3.productRevision = R3D
>>> 4.serialNumber = C826416824
>>> 5.productionDate = 20121002
=================================================================================================================
189 Equipment=1,HwUnit=SUP-1,AlarmPort=16
=================================================================================================================
AlarmPortId 16
activeExternalAlarm false
administrativeState 0 (LOCKED)
alarmSlogan
availabilityStatus 128 (NOT_INSTALLED)
normallyOpen true
operationalState 0 (DISABLED)
perceivedSeverity 4 (MINOR)
probableCause 550 (EXTERNAL_EQUIPMENT_FAILURE)
userLabel
=================================================================================================================
SYSTEM INFORMATION
systemInformationBlock3 Struct{17}
>>> 1.threshServingLow = 0
>>> 2.qHyst = 4
>>> 3.sIntraSearchQ = 0
>>> 4.sIntraSearchP = 62
>>> 5.sNonIntraSearchQ = 0
>>> 6.sNonIntraSearchP = 0
RAMDOM ACCESS PROCEDURE
CALL SETUP PROCEDURE – MO DATA
HO PROCEDURE - PREPARATION
CALL SETUP PROCEDURE – MO SIGNALING – ATTACH
RRC CAUSES
Configuração de Performance E-NodeBTSMV1_SP> pmom EutrancellFddEUtranCellFDD 511
pmActiveDrbDlSum
pmActiveDrbDlSumQci [256]
pmActiveDrbUlSum
pmActiveUeDlMax
pmActiveUeDlSum
pmActiveUeDlSumQci [256]
pmActiveUeDrbSamp
pmActiveUeUlMax
pmActiveUeUlSum pmActiveUeUlSumLcg [4]
Total: 511 counters (13702 including PDF)
TSMV1_SP> pmom EutrancellFdd rrc
130115-16:28:56 10.11.23.130 9.0k ERBS_NODE_MODEL_C_1_124 stopfile=/tmp/25804
###################################################################################################################################
MO Class Pm Counter Type Flags
###################################################################################################################################
EUtranCellFDD pmRrcConnEstabAtt long PEG,ropReset
The total number of RRC Connection Request attempts.
Unit: -
Condition: Stepped at reception of RRC message RRC Connection Request.
Counter type: PEG
Scanner: Primary
Counter is reset after measurement period: Yes
***********************************************************************************************************************************
TSMV1_SP> pmx eutrancellfdd pmRrcConnEstabAtt
Report from 2013-01-15 18:00 UTC to 2013-01-15 18:14 UTC (1 ropfiles)Node SW: CXP102051/16_R25AK (L12B)
Date: 2013-01-15Object Counter 18:00EUtranCellFDD=TSMV11 pmRrcConnEstabAtt 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttEm 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttHpa 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttMod 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttMos 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttMta 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttReatt 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattEm 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattHpa 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattMod 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattMos 0EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattMta 0
Arquivo XML - Ericsson<?xml version="1.0"?><?xml-stylesheet type="text/xsl" href="MeasDataCollection.xsl"?><!DOCTYPE mdc SYSTEM "MeasDataCollection.dtd"><mdc xmlns:HTML="http://www.w3.org/TR/REC-xml"><mfh><ffv>32.401 V6.2</ffv><sn>SubNetwork=ONRM_ROOT_MO_R,SubNetwork=RJMSJ-GPRHUA-SGS01,MeContext=TABD1_SP</sn><st></st><vn></vn><cbt>20130107120000Z</cbt></mfh><md><neid><neun>TABD1</neun><nedn>SubNetwork=ONRM_ROOT_MO_R,SubNetwork=RJMSJ-GPRHUA-SGS01,MeContext=TABD1_SP</nedn><nesw>CXP102051/16_R26AZ</nesw></neid><mi><mts>20130107121500Z</mts><gp>900</gp><mt>pmRrcConnEstabAttEm</mt><mt>pmRrcConnEstabAttHpa</mt><mt>pmRrcConnEstabAttMod</mt><mt>pmRrcConnEstabAttMos</mt><mt>pmRrcConnEstabAttMta</mt><mt>pmRrcConnEstabAttReattEm</mt><mt>pmRrcConnEstabAttReattHpa</mt><mt>pmRrcConnEstabAttReattMod</mt><mt>pmRrcConnEstabAttReattMos</mt><mt>pmRrcConnEstabAttReattMta</mt><mt>pmRrcConnEstabFailBearerAdmissionRej</mt><mt>pmRrcConnEstabFailHighLoad</mt><mt>pmRrcConnEstabFailOverload</mt><mt>pmRrcConnEstabSuccEm</mt><mt>pmRrcConnEstabSuccHpa</mt><mt>pmRrcConnEstabSuccMod</mt><mt>pmRrcConnEstabSuccMos</mt><mt>pmRrcConnEstabSuccMta</mt> <moid>ManagedElement=1,ENodeBFunction=1,EUtranCellFDD=TABD11</moid><r>0</r><r>0</r><r>1</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r><r>0</r>
TEMIP – DBN0
ALTAIA – DBN1
Dicionário Métrica
PRÉVIA DE PERFORMANCE
e-nodeB TSMD1_SP Setor 1