accelerating lte-a-deployments
TRANSCRIPT
Innovative Approach for Accelerating LTE/LTE-A Deployment
Bjorn Baera Head of Business Development European Service Providers
LTE World Summit 2015 2
Agenda
• Timing Synchronization for Accelerating
LTE/LTE-A Deployment
• Innovative Approach for Performance Monitoring
LTE World Summit 2015 3
Timing Synchronization Requirements
Application Frequency Network/Air Phase
GSM, UMTS, WCDMA, LTE-FDD 16 ppb / 50 ppb No requirement
CDMA2000 16 ppb / 50 ppb ± 3µs to ± 10 µs
LTE – TDD 16 ppb / 50 ppb ± 1.5µs/± 5µs
LTE MBMS (LTE-FDD & LTE TDD) 16 ppb / 50 ppb ± 10µs
LTE-Advanced 16 ppb / 50 ppb ± 1.5µs to ± 5 µs
LTE-Advanced requires additional Phase/Time Synchronization
• Sync-E isn’t sufficient anymore (no Time support)
• Central PTP (IEEE 1588) Grandmaster (GM) isn’t fit-for-purpose
– Full PTP BC support is required across the backhaul network
LTE World Summit 2015 4
Base Station Site Access Aggregation IP Core
PRC
Central Grandmaster
Regional
RNC aGW
eNB
eNB
eNB
eNB
eNB
Central Grandmaster distributes frequency
16/50 ppb is
sufficient Sync-E from Central GM
Packet Aggregation & Core
Sync-E does not provide time distribution!
Challenge with Synchronous Ethernet
LTE World Summit 2015 5
Base Station Site Access Aggregation IP Core
PRC
Central Grandmaster
Regional
RNC aGW
eNB
eNB
eNB
eNB
eNB
Central Grandmaster distribute
phase & time
Requirements ± 1.5 µs to ± 5 µs
IEEE 1588 PTP from Central GM
BC BC
BC BC BC
BC BC
BC
BC
BC BC
BC
BC
BC
BC
BC
BC
BC
BC
BC Boundary Clock
Average of 10 – 20 hops between GM and Slave On-path support required Upgrade or Swap Out of HW
Challenge with Central PTP Grandmaster
LTE World Summit 2015 6
RAD’s Solution: Distributed IEEE 1588 Grandmaster - On an SFP Base Station Site Access Aggregation IP Core Regional
eNB
eNB
eNB
eNB
eNB
PRC
Central Grandmaster
RNC aGW
Grandmaster – Built-in GNSS receiver – Assisted Partial Timing Support (APTS)
High Quality PTP
No Upgrade/Swap Out required
MiCLK Distributed Grandmaster on an SFP
MiCLK
Distributed GM
GNSS
1-64 slaves
MiCLK
Distributed GM
GNSS
LTE World Summit 2015 7
Advantages with Distributed GM on an SFP
• Lower capital expenses – No need to re-invest in core/aggregation for timing purposes
– No need for expensive GNSS in every eNodeB
• Lower operational costs – Fast implementation (insert SFP in existing equipment)
– No need for rack space
– No need for external power supply
• Robust solution – Built-in failover mechanisms
– Future proof (FPGA based)
Innovative Approach for Performance Monitoring
LTE World Summit 2015 9
Challenges with LTE/LTE-Advanced: Full Visibility of Data Transport Quality
• New dynamics of backhaul networks
– Growing bandwidth (LTE)
– Growing number of cell sites
– Variety of access technologies
– Multi-vendor small cell technologies
• Visibility and tighter control of backhaul performance is a MUST
– Service activation tests (SAT) of transport links
– Continuous performance monitoring
Mobile Backhaul Network Macro cell sites
Multi-vendor small cells
Multi-vendor pico cells
Ethernet Metro
DSL Lines
End-to-End Visibility is Required
IP/MPLS Mobile
Core
Leased Lines
MicroWave
aGW
Consistent Method for Service Assurance
is Required (Normalization)
PON
LTE World Summit 2015 10
RAD’s Solution: Overlay Performance Monitoring for Mobile Networks
• Plug in MiNID in existing equipment (cell GW, eNB) for full PM functionality
• Run L2/L3 monitoring from ETX PM Controller
• L2/L3 service activation tests (Y.1564)
• 24/7 service quality monitoring reporting (TWAMP, Y.1731)
• RADview Performance Monitoring Portal
MiNID
RNC/aGW Router
ETX PM Controller
RADview with Performance Monitoring Portal
Packet Switched Network Transport
eNB
MiNID
ETH MW
ETH
NB/eNB
ETH
NB/eNB
ETH
NB/eNB
End-to-End Performance Monitoring
LTE World Summit 2015 11
Patented design – plug-in SFP and plug into hosting device
• Designed as physical SFP “sleeve” – Plugged into SFP cage (FE/GE, ordering options)
– Work with existing SFPs – 10/40/80Km
MiNID – Miniature Programmable NID
SFP Sleeve Ruggedized Standalone “Combo” Standalone “Bypass”
LTE World Summit 2015 12
The advantages of RAD’s Performance Monitoring solution
• Enable any network equipment to be state-of-the-art monitoring probe
• Enable overlay monitoring – no change to existing Network
• Instant LTE backhaul performance and quality information
• Assurance and threshold crossing alerts to operations
Performance and quality measurement reporting
MiNID Performance Monitoring
In an SFP Sleeve
LTE World Summit 2015 13
Summary: RAD’s Innovative Solutions Accelerating LTE/LTE-A Deployment
• Distributed PTP Grandmaster on an SFP – Turn any Network equipment into
an IEEE 1588 Grandmaster for LTE/LTE-Advanced
• MiNID – Miniature Programmable NID in an SFP sleeve – Turn any network equipment into
a performance monitoring probe for LTE/LTE-Advanced
