Role of Small Cells in Early 5G Success

Role of small cells in the early success of 5G
Caroline Gabriel, Content Director, SCF

5G will be about many services and use cases – early trials in dense
scenarios
• More capacity → denser networks of small cells
• More coverage means more cells → small cells more easily deployed
• More spectrum at higher frequencies → small cells needed for shorter
ranges
• More bandwidth with low power shared spectrum → small cells needed
shorter ranges
Small cells will be at the heart of 5G
© Small Cell Forum Ltd 2017
5G requirements point to even denser networks of smaller cells

Early trials point to new architecture
Without a new architecture, networks will fail due to:
• the cost of supporting rising demands
• power consumption demands
• lack of resource flexibility
Many early 5G trials are already focusing on these challenges in dense
or challenging environments

A migration path to the 5G future
79% of MNOs plan a dense
HetNet by 2020
Of those, 30% have already
planned migration to 5G
Today 5G
4G densification under way
18 million small cells High capacity
100% coverage
Ultra reliable
Low latency
Engage vertical
markets
Alternative ownership
and operations models
Scalable repeatable
deployment process
Open and interoperable
standards for the
new interfaces
NFV and SDN

Some 5G elements are evolutionary …
• Many MNOs will put other pieces of the
new network in place before 5G NR
• Densification can start in 4G, as long as
there is a clear 5G roadmap
• LTE will live a long time, developing
alongside 5G
• Initial use cases will often enhance
existing models – e.g. eMBB
8
79
69
47
16
13
45
5
18
0
10
20
30
40
50
60
70
80
90
5G radio Dense HetNet C-RAN and MEC
%ofMNOs
Before 2020 2020-2023 2024 and later
% of MNOs planning to embark on 5G and on HetNet. Source: Rethink

But the scale and urgency is new
• Some aspects of 5G are unprecedented
• Not just about technology change
• Real change will be scale:
• Hyperdensity in cities, stadiums,
some enterprises
• Ubiquity for IoT, critical
communications, remote access or
mobile base stations
Many operators need to reach huge
scale in just a few years
0
500
1,000
1,500
2,000
2,500
2016 2017 2018 2019 2020 2021
,000cells
Hyperdense Dense Medium dense Non-dense

Progress is strong – but more is needed
Strong progress underway – but some
markets will need more
Outdoor
small cells
ABI
Global revenues
HIS Markit
Non-res small cells
Rethink
38%
8.4% to
$2.2bn
36% to
4.8m
800% more
cells needed in
an urban
centres by 2022

What are the enablers of massive scale?
• Diverse and innovative ecosystem built on standards
• Taiwan a good example, as supplier and consumer

New architectures with common drivers
5G Era
Served by LTE and 5G
SCF’s Path to 5G
Drive small cell technology
Open and interoperable standards
Engaging enterprise verticals
Establishingnew ownership models
Scalable repeatable deployment
Align industry on sequence of investments
+other radios
Architectural changes: Densification, Functional Split, NFV, MEC…
LTE Advanced LTE Advanced Pro
5G New Radio
The path to 5G requires cultural changes as well as new technology

A new industry culture
Then Now
10 years ago in 2007 10 years on in 2017
Standards
and

Interoperability
No
concept
of
small
cells
in
standards
Full
Standards
Support…
HNB
&
HeNB,
Iuh
for
3G, S1
&
X2,
integrated
Wi-‐Fi
LAA.

OAM
with
BBF
TR196.
FAPI
for
baseband
silicon.
Open

source
for
nFAPI
x-‐haul.
Testing
at
SCF
PlugFests
Market
attitude NIMBY
Mobile
coverage
seen
as
essential
People
and
business
prepared
to
pay

Business
models
All
about
voice
and
text

Operators
do
everything

Data
dominates
infrastructure
investment
&
drives

densification.
Third
party
SIs
and
SPs
emerging

Regulation
Macro-‐centric
regulation

a
barrier
to
densification
Strong
political
will
for
connected
society
driving

policy
and
regulation
Deployment
&

operations
Macro-‐sites
highly
engineered,

expensive
and
slow
to
deploy
Plug
and
play
small
cells
self-‐deployable
small
cells

5G scale does not mean uniformity
Many types of deployments ….

This requires many types of cell
• Standalone
• Virtualized
• High power
• Ultra-low power
• New form factors
emerge for new
use cases

• Common standards and frameworks create scale for everyone:
• High innovation within that common framework to support many form factors and
services
• Scale for chip and device makers
• Accelerated availability for new and established service providers
• Lower barriers to innovation for vendors and operators
But it does mean unity
• Radio standards
• Interfaces for multivendor
interoperability (FAPI, nFAPI)
• Common architectures (HetNet, SON)
• APIs

Scale breeds diversity and innovation
Radio standards
5G NR, LTE-A, WiFi
Interfaces for MV
interoperability
FAPI, nFAPI
Common
architectures and
APIs
Common foundations for dense 5G HetNets
Many form factors and services

SCF has a dual role:
• Drive the continuing adoption of small cells in everyday use, now
• Plot the path to next generation technologies and use cases
Initiatives to facilitate at-scale deployment today:
• Identifying and promoting case studies to share best practice
• High profile campaigns targeted at municipalities, and at key enterprise sectors
• Practical steps to lower deployment barriers – e.g. work on standard equipment
classes to reduce regulatory red tape
• Release programs pull together processes, interfaces and know-how to equip
operators with the tools to densify
Role of Small Cell Forum

SCF’s cross-functional approach
Business
Principles
Operations
Technology
and 5G
Interoperability
Market
Stimulate mainstream adoption
Articulate value proposition
Publish market research
Verticals outreach & social proofs
Tomorrow’s technology roadmap:
SON, shared spectrum,
virtualization, MEC, FOG,
5G eMBB, IOT, URLLC
Alternative
ownership models
Multi-stakeholder
interactions
New value chains
The people, teams, regulation and backhaul
for a scalable, repeatable deployment process
Testing to improve standards for
a healthy, competitive ecosystem
SCF

Working with partners
SCF
Business
Principles
Operations
Technology
and 5G
Interoperability
Market

• A fully virtualized, agile infrastructure that is capable of supporting multiple
radio technologies, services and customer segments
• Businesses, consumers and regulators are aware of a range of small cells
• Open and interoperable standards broadly embraced by the vendor community.
• A range of connectivity resellers addressing targeted markets
• 5G active sharing enables multi-operator neutral hosts and spectrum sharing
• Zero touch self-configuration organises any deployment to operator
acceptable quality.
• A fully virtualized network that can be sliced and diced to offer a range of
services and optimized for different QoS requirements
What happens next? See SCF200
Our 2027 vision looks forward to another ten years of technological changes and associated cultural shifts

Download SCF documents @ http://scf.io

Role of Small Cells in Early 5G Success

Role of Small Cells in Early 5G Success

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