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Semelhante a Successfully Integrating Small Cells into the Network (20)
Successfully Integrating Small Cells into the Network
- 1. Successfully
Integrating Small Cells
into the Network
Alejandro Ferrer, Senior Strategy Consultant
Broadband World Forum Amsterdam, 22 October 2013
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 1
- 2. Small cell objectives
Today’s challenges
WHAT?
WHERE?
Time to
Market
(TTM)
Coverage?
Suburban
Dense Urban
Capacity?
Residential
Enterprise
Mall/Convention
Venue
Quality?
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 2
HOW?
Total Cost of
Ownership
(TCO)
- 4. HN & Small Cell
Modeling
3D models of existing
cities to ensure
accurate results
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 4
- 5. Identify solutions for
your network expansion
Increasing DL capacity
GB/User
20
16
12
8
4
0
Baseline
(10 MHz 2X2)
10 MHz =>
20 MHz
2X2
=> 2X4
2X2
=> 4X4
Increase bandwidth
and antennas
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 5
Doubling
number of
macro sites
12
LPNs/macr
o
Increase
number of sites
Baseline,
20 MHz,
4X4,
doubling of
macro sites
+6
LPNs/site
Baseline,
20 MHz,
4X4,
doubling of
macro sites
Combination
of efforts
- 6. Small cell planning
Identify
Define options and
select solution
Coverage?
CM/SI
Transport
Capacity?
Issues
Requirements
Quality?
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 6
Deploy and
integrate small cells
- 7. Geolocation to
improve accuracy
Clutter info
Prediction +
PM
Network
Geo-data
(Parsed GPEH)
Drive Test
Social
media
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 7
HN
Geolocation
- 8. Design for small cells
a sophisticated process
Traffic density
TCO for each
location/solution
Coverage holes
Capacity bottlenecks
Dominance/geometry
Available power/transport
Small cell locations &
solutions
Adjustable
Optimization
technology
(field-proven)
Best solution by understanding all possibilities and constraints
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 8
- 9. Where is the small
cell?
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 9
- 10. Typical result from a
live 3G network
Conclusion
Traffic
16
6.4W
6.4W
14
A
B
12
1.6W
3.2W
3.2W
10
8
6
4
4.4W
4.4W
8.7W
8.7W
17.4W
17.4W
2
0
Week
1
Week
2
Week
3
Time period
A
B
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 10
Small Cell B captures 3 times
more traffic than Small Cell A
with 1/3 of the power
- 11. Small Cell optimization
managing complexity
CHALLENGES
Complex
topology of
neighboring
cells
Intra/inter
layer/tech
Traffic
balancing
Centralized
SON
Distributed
SON
Overall
Interference
management
Broadband World Forum 2013 | © Ericsson AB 2013 | 2013-10-22 | Page 11
Ericsson SON
Optimization Manager
