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LTE Overview
Arquitetura, Protocolos, Fluxo de Procedimentos
e Desempenho VIVO
Mário Márcio Garcia Granja
14/01/2013
, Protocolos, Fluxo de Procedimentos, Configuração E///
Arquitetura EPS – LTE
EPS – 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 Físicos
o 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).
SRB
o 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
RAMDOM ACCESS PROCEDURE
CALL SETUP PROCEDURE – MO DATA
RAMDOM ACCESS PROCEDURE
MO DATA
HO PROCEDURE
CALL SETUP PROCEDURE
HO PROCEDURE - PREPARATION
CALL SETUP PROCEDURE – MO SIGNALING –
RRC CAUSES
ATTACH
Configuração de Performance E-NodeB
TSMV1_SP> pmom EutrancellFdd
EUtranCellFDD 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: 2013-01-15
Object Counter 18:00
EUtranCellFDD=TSMV11 pmRrcConnEstabAtt 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttEm 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttHpa 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttMod 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttMos 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttMta 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttReatt 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattEm 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattHpa 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattMod 0
EUtranCellFDD=TSMV11 pmRrcConnEstabAttReattMos 0
EUtranCellFDD=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