A presentation on LTE Hetnet deployment strategies and options by Akram Awad from Cisco Systems at the LTE World Summit '13.

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LTE Hetnet Deployments:
The Five W's and the H
LTE World Summit
Dr. Akram Awad
Consulting Systems Engineer – Service Provider Mobility
June 2013

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The
Heterogeneous
Network

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The HetNet
4G Network
2G Network Wi-Fi Network
3G Network

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4G Network
2G Network Wi-Fi Network
3G Network
4G Carrier 1
4G Carrier 3 4G Carrier 4
4G Carrier 2 3G Carrier 1
3G Carrier 3 3G Carrier 4
3G Carrier 2
2G Carrier 1
2G Carrier 3 2G Carrier 4
2G Carrier 2 Wi-Fi Carrier 1
Wi-Fi Carrier 3 Wi-Fi Carrier 4
Wi-Fi Carrier 2

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4G Network
2G Network Wi-Fi Network
3G Network
4G Vendor 1
4G Vendor 2
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4G Vendor 2
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4G Vendor 2
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4G Vendor 2
3G Vendor 1
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WiFi Vendor 1
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WiFi Vendor 1
WiFi Vendor 2

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4G Network
2G Network Wi-Fi Network
3G Network
4G Vendor 1
4G Vendor 2
4G Vendor 1
4G Vendor 2
4G Vendor 1
4G Vendor 2
4G Vendor 1
4G Vendor 2
3G Vendor 1
3G Vendor 2
3G Vendor 1
3G Vendor 2
3G Vendor 1
3G Vendor 2
3G Vendor 1
3G Vendor 2
2G Vendor 1
2G Vendor 2
2G Vendor 1
2G Vendor 2
2G Vendor 1
2G Vendor 2
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2G Vendor 2
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Outdoor Indoor
Indoor Outdoor
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Indoor Outdoor
Outdoor Indoor
Indoor Outdoor
Outdoor Indoor
Indoor Outdoor

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4G Network
2G Network Wi-Fi Network
3G Network
4G Vendor 1
4G Vendor 2
4G Vendor 1
4G Vendor 2
4G Vendor 1
4G Vendor 2
4G Vendor 1
4G Vendor 2
3G Vendor 1
3G Vendor 2
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3G Vendor 2
2G Vendor 1
2G Vendor 2
2G Vendor 1
2G Vendor 2
2G Vendor 1
2G Vendor 2
2G Vendor 1
2G Vendor 2
WiFi Vendor 1
WiFi Vendor 2
WiFi Vendor 1
WiFi Vendor 2
WiFi Vendor 1
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WiFi Vendor 1
WiFi Vendor 2
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Outdoor Indoor
Indoor Outdoor
Outdoor Indoor
Indoor Outdoor
Outdoor Indoor
Indoor Outdoor
Outdoor Indoor
Indoor Outdoor

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LTE
HetNet
Strategy
LTE
HetNet
Strategy
Story

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LTE
HetNet
Strategy
Story
Where
Why
WhenHow
What/
Which
Who

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LTE
HetNet
Strategy
Story
Why
When
Enabling New Services
Coverage Not-Spots
Capacity Hotspots
Technology Leadership
Owned Spectrum
Refarming
LTE Spectrum
Acquisition
Regulator Plan Clarity

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LTE
HetNet
Strategy
Story
Where
What/
Which High/Low Frequency
FDD/TDD
Macro/Micro/Metro/Pico/Femto
Indoor/Outdoor
Residential/Enterprise/Venue
Urban/Suburban/Rural

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LTE
HetNet
Strategy
Story
How
Who
ICIC
Radio Resource
Distribution Strategy
SON

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X2 Message (ABSF)
A
C
B
A
C
B
Is it mandatory to small cell?
What if small cell is location at macrocell edge
X2 Message (HII or OI)
When shall a subscriber be considered at
cell centre or cell edge?
What define an overload or high
interference status? What if multi-vendor?
How much time shall be
granted to small cells?
How shall the BW split
between centre and cell
edge?
What shall the power
ratio be between the
two zones? How shall
the shared zone be
prioritized?

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X2 Message (ABSF)
A
C
B
A
C
B
Is it mandatory to small cell?
What if small cell is location at macrocell edge
X2 Message (HII or OI)
When shall a subscriber be considered at
cell centre or cell edge?
What define an overload or high
interference status? What if multi-vendor?
How much time shall be granted to small cells?
How shall the BW split
between centre and cell
edge?
What shall the power
ratio be between the
two zones? How shall
the shared zone be
prioritized?
What if the environment change over
time?
How will LTE cells coordinate with
other technologies (e.g. 3G)?
Who will guarantee different
cells will cooperate not
compete?What if each vendor interpret X2
messages differently?

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X2 Message (ABSF)
A
C
B
A
C
B
Is it mandatory to small cell?
What if small cell is location at macrocell edge
X2 Message (HII or OI)
When shall a subscriber be considered at
cell centre or cell edge?
What define an overload or high
interference status? What if multi-vendor?
How much time shall be granted to small cells?
How shall the BW split
between centre and cell
edge?
What shall the power
ratio be between the
two zones? How shall
the shared zone be
prioritized?
What if the environment change over
time?
What if each cell should have
different ICIC parameters and
thresholds?
How can ICIC be optimised for
the sheer number of small cells?
What if each vendor interpret ICIC
messages differently?

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LTE
HetNet
Strategy
Story
How
Who
Vendor Selection:
• RAN
• Backhaul
• Core
• SON

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USC 7000 Series
“ Mobile Internet delivered
in the modern urban
landscape”
Concourse
“ High density,
high intensity”
Venue
USC 5000 Series
“ All business is
mobile today”
Enterprise
“ Everyone consumes
the mobile Internet
here”
Hotspot
USC 3000 Series
“ Mobile as the center
of your lifestyle”
Home
“ In touch with the world with
my mobile business device”
Small Office/
Home Office (SoHo)

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• Consistency across LTE hetnet
• Speeds up introduction of new
components and vendors
• Avoids extensive IoT between
RAN and Core elements
• Multiple Architecture Options
supported:
• Both S1-MME and S1-U
Aggregation over HeNB-GW
• Only S1-MME Aggregation
over HeNB-GW
• Elastic Platform allows for future-
proof investment and flexibility
LTE Core
S11
HeNB-GW
MME
SGW
PGW
S5/S8
eNB
Small Cell
Management
System
UE
HeNB
UE
ASR5K
ASR5K
HeNB
LTE Small Cells
LTE
Macro
cells

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Pairs Cisco’s
best-in-class mobile
backhaul solution with
industry-leading
wireless backhaul
vendors
Cisco ASR 901S
Proven Interoperability  Reduced OpEx Complete Coverage  Increased Quality of Service
LoS  NLoS  Zero Touch Provisioning  End to End Synchronization and Management

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Cisco cSON
UMTS
OSS
LTE
OSS
MME
NodeBs
RNC
RNC
eNB
dSON
dSON
eNB
LTE Hybrid
SON
Small
Cell
OAM
Small Cell
GW
H(e)NBs
• Fully Automated and
Closed Loop Process
• Implements iRAT SON
functions
• Wide area SON
oversight and control
• Multi Vendor cSON

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Harvests Real-Time
Network Intelligence,
Analyzes it, and
applies the right policy
to:
• Optimize End-to-
End Network
Resources
• Capture New
Monetization
Opportunities at the
Right time and
location
Orchestration ANALYTICSPOLICY
Monetization
Indoor Location
Premium Video
Sponsored Data
Optimization
Access
Transport
Cloud
Orchestration ANALYTICSPOLICY
Software

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Thank you.