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What must LTE deliver…. and when will it?Comparing LTE with TETRA etc. digital PMR for Critical Communications
Tony GrayRegional Business Director
P3 communications GmbH
CRITICAL COMMUNICATIONS STREAM
Background: Recent study
The Critical Communications market segmented into:
Public Safety
Transport
Utilities
Industry
Global TETRA shipments 2013
Courtesy of IHS Research
64%
13%
8%
5%10%
PPDR
Transport
Utilities
Industrial
Other
SWOT analysis: TETRA
Strengths
• Mature, proven & well established.
• Excellent spectrum efficiency + available harmonised spectrum.
o Very low relative spectrum requirement
• Unrivalled critical comms features, e.g. for:
o Security
o Call set-up time
o Voice call feature set
o Low speed packet & short data services
• Resilience and availability features, e.g.:
o Direct Mode, Site Trunking, etc.
SWeaknesses
• No high speed data.
• Misperceptions of relative cost – particularly of infrastructure.
• Misperception that TETRA is only for PPDR.
• Niche market ecosystem compared to other mainstream standards.
o lack of global harmonisation & economies of scale
• Difficulty of interoperation with other standards (e.g. P25, TETRAPOL, etc.)
W
Threats
• Other digital trunked PMR standards squeezing voice & short data applications markets ‘from below’.
• Suitably standardised & developed features & services in LTE (&/or future variants) could supersede TETRA as both a voice & data bearer in the longer term.
TOpportunities
• Continue to capitalise on strengths in existing & potential future vertical market segments not requiring broadband data.
• TETRA is still an evolving standard with growth potential
O
SWOT analysis: LTE
Strengths
• Global standard – leverages economies of scale from global ecosystem.
• High data rate
• New features in process of standardisation to encompass critical communications requirements.
• Offers basis for all-IP, bearer agnostic services delivery.
SWeaknesses
• As yet unproven functionality & security for critical comms applications.
W
Threats
• Lack of adequate available spectrum in appropriate bands.
TOpportunities
• Suitably standardised & developed features & services in LTE (&/or future variants) could make it the de facto critical comms bearer in the longer term.
O
Critical LTE standardisation & equipment development timelines
2015 2016 2017 2018 2019
Rel-14 equipment
Rel-12
Rel-13
Rel-12 equipment
Device-to-devicecommunications (D2D) – part 1
Proximity Services (ProSe) – part 1
Group Communications Enablers (GCSE) – part 1
Device-to-device Communications cont…
Group Based Enhancements (GROUPE)
Extended Proximity Services (ProSe-Ext)
Isolated E-UTRAN Operation (IOPS) – incomplete?
Mission Critical Push-To-Talk (MCPTT) – incomplete?
TBA…Complete IOPS?
Complete MCPTT?MC Video?
MC Messaging?
Rel-14
Rel-13 equipment
The benefits of standards
Standards:
Encourage competition, innovation, market scale and associated economies through participation in a global
ecosystem.
Reduce prices by enabling economies of scale in larger more globalised markets.
Support all aspects of conformity and interoperability.
Facilitate integrated solutions, including compatibility or connectivity with other products, services and
systems.
Reduce unnecessary variety in the marketplace.
All of the foregoing has been clearly proven over many years by the success of standards such as TETRA, GSM,
UMTS and many others.
…. and risks of proprietary solutions
The adoption of proprietary solutions during the necessary period required to agree, specify and develop
international standards is counter-productive and could:
Fragment markets, potentially even negating global standardisation efforts by creating ‘de facto standards’.
Potential prove costly and technically risky due to single-source lock-in.
Global adoption timeline aspirations for critical LTE
2013-2016 2017-2020 2021-2024 2025-2028
Pathfinders: UK, Korea, (USA?)
High risk:Based on use of non-
standard / “pre-standard” proprietary technology
and / or MNOs
1st generationstandardised
technology. Variety of implementation
approaches
2nd + generation standardised
technology. Harmonised implementation
approaches
Rel-15+ implementations
Overall timeframe for gradual migration from PMR/LMR to LTE
Rel-13 implementations
Rel-14 implementations
TETRA and LTE co-existence
• TETRA and LTE will need to co-exist and integrate for both technical and practical economic reasons.
• Network equipment manufacturers currently envisage a range of co-existence mechanisms for closer and
deeper integration between TETRA and LTE.
• At the service level these include:
Interconnecting gateways
Service integration - i.e. using a common service server for several different networks / technologies
Network integration - i.e. using both a common service server and common Home Subscriber Server (HSS)
• Some manufacturers are already integrating equipment at the Radio Access Network (RAN) level, e.g.
single-cabinet TETRA base station and LTE eNodeB with shared common backhaul.
In conclusion
• 3-5 years before availability of 1st generation standardised critical LTE products to be deployed.
• Next 10 years likely to see significant expansion in the critical LTE market globally, particularly during the
latter five years 2020-2025.
• Some user groups may never require critical broadband and will therefore only ever need TETRA, etc.
• TETRA and digital PMR generally can expect an enduring market for the foreseeable future of at least 10
years, and will need to coexist with LTE increasingly, particularly during the latter half of that period.
• In the same timeframe the critical LTE market can be expected to grow considerably, but only if and when:
standards specifications are completed and adopted into products by industry, and
adequate and suitable spectrum can be found in which to operate critical LTE networks for the future.
Further reading on these topics
• Full report of P3’s TCCA TETRA & LTE study (TCCA members only):
www.tandcca.com/Library/Documents/Members_Area/TCCA%20TETRA%20%20LTE%20study%20P3C%20Fi
nal%20v1%201%20Feb%2015.pdf
• TCCA White Paper “TETRA & LTE Working Together”:
www.tandcca.com/Library/Documents/TETRA%20and%20LTE%20Working%20Together%20v1.1.pdf
• ETSI TR 102 022-1 - User Requirements: Mission Critical Broadband
Communication:www.etsi.org/deliver/etsi_tr/102000_102099/10202201/01.01.01_60/tr_10202201v01010
1p.pdf
• TCCA white paper “What are standards?”:
www.tandcca.com/Library/Documents/Broadband/What%20are%20standards%20v1%2002.pdf
Your Contact
e-mail: [email protected]: www.p3-communications.com
WEB
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This document and its content shall not be used for any purpose other than that for whichit is supplied.
Tony Graye: [email protected]: +49 151 276 54501
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