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Pimrc 2010 sniri
1. Small Cells and Femto Cells
For Future Mobile Broadband
PIMRC – 21st Annual IEEE International Symposium on Personal, Indoor
and Mobile Radio Communication
Turkey – 28th Sep 2010
Dr Shahram G Niri
Director of LTE/SAE Global Strategy & Solution – NEC Europe
2. Femto for Operators and End Users
The Requirements Of Changing Industry
Services will grow in multiplicity, diversity and richness
New services with the Internet at the heart the services
New ecosystem & new player, new business and revenue models
More powerful and enabled devices
Users will grow in importance
Customer delight is absolutely essential
Adopting new habits (e.g. social media)
More demanding on the quality, interactivity, personalisation,
Networks will grow in complexity
Walled Garden will change to Open Networks
High capacity pipes with intelligent plumbing
Self managed and automated networks Relay
Femto
Communication delivered through SW on standards / generic HW Small
Micro/Pico
Macro
Communication networks to improve in intelligence, flexibility,
automation, resilience, efficiency, speed, security, privacy, latency YET
lower delivery cost per bit/per sub/per sq km
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3. Diverged Traffic & Revenue Growth
50 Telecoms Price Development
From Kilo (103 ) bytes to Tera (1012 ) and Zeta (1021 )
40 Mobile
bytes
Broadband
Global ubiquitous Internet-based solution with hyper 30
Euro/Month
Connectivity
Hundred-fold increase in network flow brought by mass 20
terminals and mass digital content, and the thousand-
fold, increase in traffic flow on mobile networks 10
0
Users are spending more time on the phone & internet 2002 2003 2004 2005 2006 2007 2008 2009
Average household spending on communication falls
Consumer pay less while getting better value -> they
Traffic
pay ~30% less than 5 years ago
Complexity
Significant growth in traffic while slow in revenue
User experience at risk
What do we do with a surging traffic Gap
Is it a problem or an opportunity?
Revenue
Time
Overall cost reduction is a very critical but not at the cost
of compromising the service quality
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4. Innovation & Reform Towards More Sustainability
Significant growth in traffic while slow in revenue
Cost Vs Revenue does not add up
User experience at risk
Limit/control it (e.g. Cap in flat rate)
Bring the cost of it down (e.g. More efficient deliveries in radio, transport and core network,
Optimizations and other means of traffic handling
Turn it to revenue (e.g. Innovative solutions, New revenue streams and sources)
LTE
Bigger, Smarter & Cheaper pipe
Cheaper NW operation
Higher performance
Femto
Intelligent Indoor Solution
New services & applications
Cost saving and revenue generation
Carrier Cloud
New service & revenue model
Service differentiation
Cost optimization
Lower cost & better performance and new revenue streams needed
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6. Small Cells /Femto Cells Benefits
Better availability of high data rate
Lower CAPEX due to saving in
multimedia services
site acquisition, installation and
Service bundling
civil work Optimised
Services Faster data rates indoors where most of
OPEX savings due to power, Deployment
the data traffic exists
site rental, operation manpower
Longer terminal battery life due to lower
Build as you grow where the
transmit power requirement
investment needed
Fast LTE deployment
Business Last mile broadband solution
More capacity at reduced Performance
Target high revenue locations
Opportunities
cost per bit New revenue streams (indoor)
Higher peak and cell edge Location-specific tariffs and family
performance contracts
Churn reduction
Indoor / Outdoor deployment
Zero Touch, Plug&Play
NO Site acquisition necessary
Indoor / Outdoor
One-Touch and Plug&Play operation
deployment
Fan Less and Air-Cooling
Residential / SOHO
Lowe power consumption
Enterprise for indoor
Commercial Power Adaptation
private
(AC/DC)
Outdoor Public
Small Cells and Femto cells are essential part of the future mobile broadband
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7. Femto for Operators and End Users
Operators End Users
Coverage improvements Better quality and availability,
Capacity improvements Single handset & single subscription
TCO reduction / optimisation Cheaper tariff /free calls
Increased revenues (home zone and family tariff),
•New market and new services Secure broadband mobile data
•Reduce churn, improve quality and New services - Social Networking, Home
encourage more usage voice & data networking, Presence, Content Sharing,
• Increase customer loyalty, FMS
The solution/ proposition different depending on:
Where you are (region/country),
Which operator (mobile/hybrid/ new player, small / large, …)
Which market (residential/ enterprise/various mobile broadband segments)
Existing investment in high speed mobile broadband
Cost saving on the capacity will depend on many factors
A very efficient and cost effective solution for a true mobile broadband
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8. 3GPP LTE Femto Status
R99 R4 R5 R6 R7 R8 R9 R10
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
HSPA
HSPA
IMS HSPA
UMTS
EPC
LTE/
LTE
Adv
UL
DL
+
Comm
MMTel
IMS
Rel 8 Rel 9 Rel 10
The key functionalities added
in Release 9 are:
In Rel 8, 3GPP specified UTRA • A novel Hybrid Cell concept
and LTE Femto cells. HeNB • Management of out-of-date
main functionalities that were CSG info Release 10 discussions are still
defined are: • Inbound Mobility (including ongoing.
• Architecture variants proximity reports) Major work items include:
• Closed and open access • Hybrid access control • Enhanced Mobility
control • Operation, Administration • Enhanced ICIC
• Automatic CSG selection and Maintenance for HeNB
• Outbound Mobility • Operator controlled CSG list
• RF Requirements for TDD
and FDD HeNBs
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9. Femto & LTE Femto Architecture Variants
3G Femto with Iuh LTE Femto:
1 - Dedicated HeNB-GW
LTE Femto
2 - No HeNB-GW
3GPP defines 3 options for LTE Femto, the
choice depends on several factors
Reuse of the LTE ePC
MME and SGW scaling and expansion LTE Femto
Connectivity and signalling load 3 - HeNB-GW for C-Plane
TNL processing and functionality
3G Femto migration
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10. LTE deployment with Small Cells & Femto Cells
macro
High cost of outdoor/macro radio
Data traffic /revenue mainly in hotspots & in-building Macro LTE deployment drivers
Pico
2G and 3G networks (already provide macro coverage)
Femto
Invest where the traffic and hence the revenue is (Residential
Improve your overall data traffic capacity and performance /SME) 4
2
1
Fast to deploy, cheap and easy to install and operate 3
Overlay LTE Network - Start small and build as your number of
users / traffic increases 1 Capacity Driven
Hotspots and high traffic zones
LTE on 2.6 Ghz initially for high data traffic hot spots
Address indoor coverage and capacity with LTE Femto 4
Use macro 800 Mhz for LTE wide area coverage 3
Improve macro (HSPA) coverage by overflowing traffic to LTE
2
1
2G/3G HSPA/LTE (800 Mhz) 2 New Business Driven
2G&3G for ubiquitous voice & Femto and hotspot islands
HSPA mainly data
LTE (1800/2.6 Mhz)
2G&3G for Voice & HSPA for
LTE 1
ubiquitous data & LTE for High
data with small cells and Femtos 3
LTE 4
2G / 3G for voice , HSPA for 2
ubiquitous data & LTE for High Femto
2.6
data 2.6
Mhz
Mhz Coverage Driven
LTE Femto 3
Macro deployment
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11. Concluding Remarks
LTE as a cost effective and future proof technology is a key to future
mobile broadband
Capacity and cost will remain a challenge in the future mobile
broadband
New innovative solution, lower TCO, flexibility and scalability in the
deployment, simplicity and ease of operation will be key to the success
of mobile broadband
An overlay network with LTE small cells and LTE Femto deployment is
the way forward
Small cells and Femto cells a must in meeting capacity and
performance demand in future mobile broadband
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