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Small cell backhaul:
Progress, challenges and next steps
July 2016
1) Small Cell Backhaul Trends
Caroline Gabriel, Rethink Research
2) Operator Issues for Small Cell Backhaul
David Orloff, ...
SMALL CELL BACKHAUL TRENDS
CAROLINE GABRIEL, RESEARCH DIRECTOR, RETHINK TECHNOLOGY RESEARCH
OUTDOOR SMALL CELL GROWTH
 Operators start to shift from targeted hotspots
to large-scale deployments
 Densification pro...
GROWTH BRINGS NEW CHALLENGES
India CAGR 125% 2020 375K
CALA CAGR 140% 2020 140K
NAM CAGR 45%
2020
260K
42,600
CAGR
66%
878...
BACKHAUL IS A MAJOR HEADACHE AGAIN
 Survey of over 65 MNOs - small cell barriers to
mass deployment
 Backhaul has moved ...
THE CHANGING BACKHAUL ISSUES
Was a technology issue … but
 More solutions coming to market
 More fiber in many markets, ...
1) Small Cell Backhaul Trends
Caroline Gabriel, Rethink Research
2) Operator Issues for Small Cell Backhaul
David Orloff, ...
1 Regulation regarding telecom equipment installation varies with location
• There is no clear and uniform regulation on h...
We are keen to encourage further work into backhauling, the sort of
things we have in mind are:
• Self-backhauling options...
Small Cell Forum on Small Cell Backhaul
Julius Robson
SCF Steering Group
Addressing backhaul needs
for different flavours of small cells
© Small Cell Forum Ltd 2016
Home and SOHO
© Small Cell Forum Ltd 2016
Residential Femtocells prove that compact
cellular base stations *can* be plug a...
On site LAN needs to be configured to support small cell traffic
WAN backhaul likely to be operator provided to ensure QoE...
Urban Densification
• Urban small cells are cells deployed by operators in areas of high demand
density on an open-access ...
Backhaul services: MEF’s
Carrier Ethernet profiles describing
connectivity performance requirements
for backhaul.
Backhaul...
[SCF155]Rural and remote [SCF155]
Enabling Digitalized Enterprise
Education of verticals – Via Enterprise Taskforce marketing group
will develop an educatio...
Rome Plenary 13-15 September
Registration http://www.smallcellforum.org/events/next-plenary/
• Kicking off ‘Deploying Hype...
Q&A
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Small cell backhaul: progress, challenges and next steps

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Small cell backhaul: progress, challenges and next steps

  1. 1. Small cell backhaul: Progress, challenges and next steps July 2016
  2. 2. 1) Small Cell Backhaul Trends Caroline Gabriel, Rethink Research 2) Operator Issues for Small Cell Backhaul David Orloff, AT&T 3) Small Cell Forum’s Work on Backhaul Julius Robson, Small Cell Forum Q&A Agenda
  3. 3. SMALL CELL BACKHAUL TRENDS CAROLINE GABRIEL, RESEARCH DIRECTOR, RETHINK TECHNOLOGY RESEARCH
  4. 4. OUTDOOR SMALL CELL GROWTH  Operators start to shift from targeted hotspots to large-scale deployments  Densification programs  Spectrum availability  Shift to capacity  Maturing of HetNet enablers  Drives demand for small cell backhaul  $6.4bn spend between 2016 and 2020 on outdoor small cell backhaul kit (IHS) 85 173 287 412 528 667 13 20 30 50 67 88 0 200 400 600 800 2015 2016 2017 2018 2019 2020 ,000units Urban Rural+Remote Outdoor small cell shipments Source: Mobile Experts
  5. 5. GROWTH BRINGS NEW CHALLENGES India CAGR 125% 2020 375K CALA CAGR 140% 2020 140K NAM CAGR 45% 2020 260K 42,600 CAGR 66% 878,000 CAGR and installed base outdoor small cells Source: Rethink Outdoor backhaul connections installed Source: IHS Rising number of connections = new challenges • More fiber in many markets • Wireless solutions maturing e.g. PMP • Development in mmWave spectrum • Large deployments must be automated and repeatable • Regulatory and site issues multiplied • Fronthaul
  6. 6. BACKHAUL IS A MAJOR HEADACHE AGAIN  Survey of over 65 MNOs - small cell barriers to mass deployment  Backhaul has moved back up their priority list  Changed from technology issue to one of scalability, process and architecture  Many issues of 2013 have been addressed, new ones have arisen 2013 2015 2017 Backhaul Automation Automation/ scalability Securing optimal sites Integration with other networks Backhaul Provisioning and management Monetization Site issues Monetization Backhaul Monetization Site costs Site issues New architectures e.g. virtualization Top 5 barriers to outdoor deployment of small cells Source: Rethink MNO survey
  7. 7. THE CHANGING BACKHAUL ISSUES Was a technology issue … but  More solutions coming to market  More fiber in many markets, including dark fiber  NLOS wireless backhaul maturing  Self backhauling and aggregation  New spectrum  Still performance issues but higher confidence these will be addressed  More providers entering space eg cablecos, SCaaS New issues are about large scale logistics  Regulation non-harmonized eg street furniture  SON needed to lower costs  MNOs want standardized repeatable processes from site negotiation to management  Uncertainty re spectrum, mmWave targeted for 5G access  Virtualization – cost efficiencies and flexibility, but fronthaul issues  Rural and remote issues Small cell backhaul is a moving target, will be central to new Small Cell Forum work program
  8. 8. 1) Small Cell Backhaul Trends Caroline Gabriel, Rethink Research 2) Operator Issues for Small Cell Backhaul David Orloff, AT&T 3) Small Cell Forum’s Work on Backhaul Julius Robson, Small Cell Forum Q&A Agenda
  9. 9. 1 Regulation regarding telecom equipment installation varies with location • There is no clear and uniform regulation on how telecom equipment should be installed in public areas, street furniture, etc. Not even in the same country 2 NLOS wireless backhaul performance doesn’t fulfil expected targets: • Trials find uneven performance due to urban environment (trees, vehicles, …). Small Cell wireless backhaul performance lower than traditional wireless backhaul solution for Macro, but it is expected to provide similar performance between Macro and Small Cell 4G sites. 3 Today’s Small Cell wireless Backhaul is far from being “plug, play and forget” • Self-healing or self-organised features are not fully deployed, resulting in (unexpected) high O&M costs 4 High Uncertainty over Wireless Backhaul Spectrum • Unlicensed spectrum plus further 5G spectrum allocation is throttling Small Cells wireless backhaul rollouts. SCF Member Operator Viewpoint © Small Cell Forum Ltd 2016
  10. 10. We are keen to encourage further work into backhauling, the sort of things we have in mind are: • Self-backhauling options/techniques, • how backhaul options affect antenna design, • how to do backhauling for high-density deployments, • how to do backhauling for high reliability • Urban densification is definitely of interest, particularly comparison of different backhaul & fronthaul options: • Wireless options are very important to us as well as fixed-line • How can different functional splits be deployed over fixed line, both fibre and copper? • Can G.Fast support RRHs with a higher layer split than CPRI? • Can we make more efficient use of fibre assets using higher layer splits? SCF Member Operator Viewpoint © Small Cell Forum Ltd 2016
  11. 11. Small Cell Forum on Small Cell Backhaul Julius Robson SCF Steering Group
  12. 12. Addressing backhaul needs for different flavours of small cells © Small Cell Forum Ltd 2016
  13. 13. Home and SOHO © Small Cell Forum Ltd 2016 Residential Femtocells prove that compact cellular base stations *can* be plug and play and operate over consumer grade broadband for backhaul SCF developed the original proposal for Iuh interface developed 3GPP ..and now we’re developing nFAPI to enable CRAN small cells over Ethernet… Image courtesy of Ubiquisys
  14. 14. On site LAN needs to be configured to support small cell traffic WAN backhaul likely to be operator provided to ensure QoE of voice service A small cell centric SLA includes: • Backhaul bandwidth provisioned according to end user usage as opposed to small cell capacity limits • QoS prioritisation and security features [SCF078] Enterprise Small Cells © Small Cell Forum Ltd 2014 Enterprise SCBH comprises separately managed LAN and WAN segments
  15. 15. Urban Densification • Urban small cells are cells deployed by operators in areas of high demand density on an open-access basis to all the customers of the operator. • They can be deployed outdoors on street furniture or indoor public locations such as transport hubs and retail malls. 15
  16. 16. Backhaul services: MEF’s Carrier Ethernet profiles describing connectivity performance requirements for backhaul. Backhaul Deployment Planning and deployment processes needed for Non Line of Sight, LoS and wireline backhaul technologies [095] Urban Backhaul Topic Brief Network Architectures: Defines the interfaces between network nodes which backhaul must support Backhaul topologies: How different link technologies can be combined together and the impact on end-end performance Backhaul technologies: Wireless and wired last mile backhaul solutions Backhaul requirements: performance and features required from the transport connections to meet the needs of network interfaces Synchronization Implications for the performance of the underlying transport Business Case Backhaul TCO model comprising CAPEX and OPEX
  17. 17. [SCF155]Rural and remote [SCF155]
  18. 18. Enabling Digitalized Enterprise Education of verticals – Via Enterprise Taskforce marketing group will develop an education program geared to specific vertical segments with a particularly urgent need for small cells. Internet of Things – defining the most promising commercial use cases for enterprise and vertical IoT services that rely on small cells, and ensuring the key technical elements are in place. Mobile Edge Computing – developing common frameworks based on ETSI MEC for delivering content close to the user, personalizing services and analyzing data locally, in order to add value to the enterprise small cell case. Multi-operator – detailing the business case and the enabling technologies for multi-operator and neutral host platforms, with a direct route towards 5G concepts like network slicing. Unlicensed – focusing on the enterprise aspects of deploying small cells in licensed, unlicensed and shared spectrum, including technologies such as LWIP (lightweight IP). What next: SCF Work Streams 2016-2017 Deploying Hyperdense Networks Interoperability – ensuring that enabling technologies, such as NFV, management and orchestration, and automation are fit for 5G purpose and fully interoperable. Backhaul – delivering affordable gigabit backhaul to meet next generation capacity requirements everywhere. Site acquisition – defining an efficient repeatable process for acquiring sites in order to remove one of the biggest barriers to urban densification. SON – identifying how self-optimizing network technology can simplify the deployment and management process. Internet of Things – identifying the market drivers for small cells to deliver IoT services, especially indoors. Unlicensed spectrum – integrating many spectrum bands and licensing schemes within a single network to maximize flexible capacity, including coexistence, policy management, traffic shaping and authentication issues. July 2016 Backhaul issues • Deployment scalability for dense deployments • E2E SON, including backhaul • Planning regulation • Backhaul, fronthaul and everything in between • Self-backhaul • 5G backhaul • Backhaul spectrum Work items Kick off at our Rome Plenary 13-15 September
  19. 19. Rome Plenary 13-15 September Registration http://www.smallcellforum.org/events/next-plenary/ • Kicking off ‘Deploying Hyperdense networks’ and digital enterprise • Deployment stories workshop • Finalising virtualisation release supporting the new nFAPI definition • Laying the foundations of practical and profitable 5G standards
  20. 20. Q&A

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