1. #DASCongress
The Convergence of DAS, Licensed
Small Cells, Wi-Fi and Macrocells:
What Tomorrow’s HetNets Could
Look Like
Kashif Shakil
Head of Small Cells and WiFi Solutions

2. #DASCongress
10
Mbps
1
Mbps
0.1
Mbps
@
SMS
>10
Mbps
Performance relevant to the end user
everywhere and inside buildings
App Coverage

3. #DASCongress
Het net
1
2 3

4. #DASCongress
Uncoordinated
Cells
Split Spectrum
Basic Mobility
Coordinated Cells
Shared Spectrum
Full X2 Mobility, Load balancing
CoMP Cells
Common Baseband
CoMP, Combined cell
Add 9 Cells for 2X Capacity Add 5 Cells for 2X Capacity Add 3 Cells for 2X Capacity
TEXT
Limited User Experience
High TCO
Good User Experience
50% Reduced TCO
Great User Experience
70% Reduced TCO
Coordination reduces TCO

5. #DASCongress
Het net toolbox
DAS RBS RRU eDAS RBS RRU
AIR
micro
RRU
micro
RBS
Outdoor
WiFi AP
Pico
RBS
Dot Indoor
WiFi AP
Multiple sets of tools in het net
toolkit available today
Indoor
Outdoor
WDM LoS nLoS
Compact
BB
Pico GW
SON/O&M, Site
Solution, Small Cells
as a Service ,
Deployment, Design
and Optimization

6. #DASCongress
Indoor Solutions: Use Case View
Dense Urban / Residential
(1.Poles, 2.Roof / Building Mount, 3.Street Furniture)
Small / Med. Business
Mall / Airport / CampusStadium
Large EnterpriseHigh Rise Building Warehouse /
Manufacturing
OUTDOOR VENUES
INDOOR ENTERPRISESMB
RRU/
micro
RRU
ODAS
Outdoor
WiFi
Micro
RBS micro
RRU
AIR
DAS
Dot
Indoor
WiFi
Micro
RBS
Pico
RBS
micro
RRU
Pico
RBS Dot
Indoor
WiFi
Indoor
WiFi
Micro
RBS

7. #DASCongress
Coverage
Capacity
Deployability
Performance
Ease of O&M
Features & Operator Services
Multiple Operator Support
DAS
Dot
Pico RBS0
1
2
3
4
5
Score
Factors:
• Level of coverage
• Traffic carrying capacity
• Simplicity of deployment
• Performance
• Ease of O&M
• Support for features and
Operator services (like VoLTE,
eMBMS etc.)
• Multiple operator deployment
support
Indoor Solutions: Capability View
Pico RBS: Small cell with integrated baseband
Dot: Small cell with centralized baseband

8. #DASCongress
Indoor Solutions: Economics
TCO: CAPEX, Deployment cost, 5 year
OPEX, Multiple Operator Network
0
5
10
15
20
<50k 50k 100k 250k 500k >500k
Building size (sq ft)
RelativeTCO
DAS Dot Pico RBS
CostPerformance
Pico
DAS
Dot
Cost vs. performance of indoor
solutions (250k sq ft building)
Choice of solution depends on combination of factors:
use case, cost, capabilities, vertical and performance

9. #DASCongress
Solution Positioning
Numberofbuildings
Building size
Outside-in Pico DASDot
Smalltomedium
MediumtoLarge
Large

10. #DASCongress
Integrating WiFi into Het net
1. Common hardware for WiFi and 3GPP: Available
2. Network selection and traffic steering: On-going
Standard/Feature Benefits Limitations
ANDSF Access network discovery and selection Requires device support
Hotspot 2.0/
Passpoint, Next Gen
Hotspot (NGH)
Secure seamless roaming onto Wi-Fi,
best AP selection
Requires device support
Device-driven
RAN 2 Optimized network selection Early stage
Requires device support
IP Session Mobility Application/session continuity Not available yet Requires
device support
Access Selection Network selection based on historical
performance
Not real-time
Not per device
Real-Time Traffic
Steering
Network selection
based on real-time 3GPP and Wi-Fi
network status
Not in standards today

11. #DASCongress
Real-time Traffic Steering between
3GPP and WiFi
Always best
connected in real time
Macro
Small Cell
3GPP+Wi-FiWi-Fi
Visibility of user’s mobile requirements as well
as source and destination radio access
networks dynamically determines connections
Mobile connection is
steered between
3GPP and Wi-Fi
Each mobile device
benefits from
connection to the
best radio access
technology to
address their
requirements
0 10 20 30 40 50 60 70 80 90 100
0
10
20
30
40
50
60
70
80
Y coordinate
Throughput[Mbps]
Throughput TC 1.1(2013-12-10): Feature off
WiFi 95% confidence interval
WiFi mean
LTE 95% confidence interval
LTE mean
0 10 20 30 40 50 60 70 80 90 100
0
10
20
30
40
50
60
70
80
Y coordinate
Throughput[Mbps]
Throughput TC 1.3 r03 B (2013-12-10): Two-way traffic steering, from LTE to WiFi
WiFi 95% confidence interval
WiFi mean
LTE 95% confidence interval
LTE mean
OFF ON

12. #DASCongress
Collaboration Opportunities
• Technology:
– Interoperability (multi-
vendor interfaces)
– Converged solutions
• Beyond Technology
– Partnerships (esp. for site
acquisition)
– Value Creation with new
Services
– Business model innovation
D-RAN with
passive DAS
Ericsson Live Events

13. #DASCongress
Tomorrow’s network: Het net
Improved and densified
macro
Micro RRU forming
high capacity D-RAN
Micro RBS for hot-spot
densification
Pico RBS provides in-
building coverage to
SM Buildings
Dot for deep in-
building coverage
DAS in large venues &
buildings
* WiFi integrated with
DAS / small cell / Dot or
stand-alone
ABC &
effortless
experience
Macro
DAS