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The Standards Environment for next Generation Systems

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  • 1. THE STANDARDS ENVIRONMENT FOR NEXT GENERATION SYSTEMS David Chater-Lea Fellow of the Technical Staff, Motorola Solutions UK Ltd ICT KTN & Cambridge Wireless Security & Defence SIG: Chairman, TC TETRA WG4 Vice Chairman, TC TETRA WG6 The Evolution of First Responder Communications Making the Most of Available 4G Services 26th November 2013
  • 2. Topics The need for standards Mission critical services standards Spectrum for mission critical services Security & Defence SIG - 26 November 2013
  • 3. The need for common standards for mission critical systems Any technology adopted for professional communications must be standards based • The professional mobile communications industry is too small to • • support several technologies We need the total market size to support competition for pricing and functionality We need the total market size to support the niche market products – ruggedised terminals, covert installations, ATEX products etc. LTE will be the basis for future mission critical broadband technology • The greatest investments in wireless technology development come from the Cellular operator and Internet industries • Driven by growth in data communications, and need to drive down the cost of data service We also need solutions to work over other IP networks • WiFi, fixed, what’s next....? Harmonised, common spectrum is also necessary • Permits interoperation between systems and between countries • Increases the market size for specialised terminals, making the market viable Security & Defence SIG - 26 November 2013 Approx 4 million terminals sold in current TETRA market vs 6.5 billion active mobile connections.... (Source: GSMA)
  • 4. Network and application layer standards The network layer standard(s) are fairly clear The application layer still has many parallel standards activities.... ? Mission Critical Applications PTT voice, video, ... IP Security & Defence SIG - 26 November 2013
  • 5. Standards acceptability? ETSI standards are ‘required’ in Europe • ETSI standards are also widely accepted in much of the rest of the world We need a global standard • Which other standards bod(ies) do we partner with? ? Security & Defence SIG - 26 November 2013
  • 6. 3GPP progress Work and Study items in progress to assist Public Safety services: Group Call Service Enablers (R12) • Adding appropriate multicast bearers to carry high capacity group calls • Service continuity when switching between unicast and multicast Proximity Services (R12) • Direct terminal to terminal communication (Direct Mode) • Under control of network for offloading (commercial) • Free from control of network (Public Safety) • Relay facility (DMO gateway) (Public Safety) Radio enhancements (R11) • High power operation, Band 14 (US) Security enhancements • To enable secure GCSE and ProSe operation Isolated E-UTRAN operation for Public Safety (R13) Requirements for Mission Critical PTT over LTE (R13) Security & Defence SIG - 26 November 2013
  • 7. 3GPP timelines 2013 Release 12 2014 2015 2016 Protocols freeze (June) Architecture freeze (Dec/Mar) Requirements freeze (Mar/June) Release 13 Protocols freeze Date TBA Further releases on an approximately 18 month cycle S1-MME MME GC4 P-GW S11 S5 SGi GC5 Media Reference architecture for group call service S1-U S-GW GCSE Application UE eNB GC3 Uu ProSe Communication MBMS GW GC2 SG-imb MuSe BM-SC SG-mb GCSE Application UE UE GCSE GC1 Application Security & Defence SIG - 26 November 2013 GCSE Application server
  • 8. Application level standards Europe: • TETRA and Critical Communications Association has defined an architecture for • • mission critical services over broadband ETSI TC-TCCE (TETRA and Critical Communications, formerly TC-TETRA) have a work item running for completion in 2016 to define mission critical services over broadband bearers Requirements capture exercise started from use cases and other input to TCCA; now being catagorised in ETSI TC-TCCE N America • TIA similarly working on requirements and specifications for PTT service Global bodies • Open Mobile Alliance are considering a new Work Item for Public Safety PTT • services A new Work Item has been started in 3GPP to document requirements for mission critical PTT services • Inputs for requirements from both N America and Europe Note: Most users expect new broadband services to work in conjunction with existing narrowband voice services for some years to come Security & Defence SIG - 26 November 2013 Apps. Applications Apps. 5 CCA 8 CCA 8 PMR Infra 2 EPC 9 EPC + eNB 1 UE 4 7 UE PMR Terminal Mobile CCA Mobile App 3 Mobile CCA 6 Mobile Applications Terminal e.g. Voice MobApp SMS
  • 9. Spectrum 30MHz 300MHz 100MHz Insufficient bandwidth Much interference Longer ranges = poor cellular reuse Long antennas 400MHz Narrowband 500MHz NATO 600MHz TV 3GHz 1GHz ‘Sweet spot’ Good range Good reuse 700MHz 800MHz (TV) Lower ranges More expensive networks 900MHz Cellular (+others) Four questions: • Dedicated and harmonised, or combined with cellular operators? • How much spectrum is needed for mission critical services? • Where can the spectrum be allocated? • How can the spectrum be allocated? Security & Defence SIG - 26 November 2013 1GHz
  • 10. Spectrum relationships APPROVE D 2012: Agenda Setting 2015: Agenda Item 2020: Spectrum Avail. APPROVE D RADIO SPECTRUM POLICY GROUP User groups LEWP, PSCE WORK IN PROGRESS COMPLETION FM49 2014 RADIO SPECTRUM FOR PUBLIC PROTECTION AND DISASTER RELIEF (PPDR) Political decision that ‘need’ exists and is justified Region 1: EMEA, RU, CIS Region 2: Americas Region 3: APAC NB: International agreements; national the Ratification of allocation allocation of spectrum to fit ‘need’ Procedural route to Security & Defence SIG - 26 November 2013 identify where spectrum Implementation of the decision in
  • 11. Spectrum progress DECISION No 243/2012/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 14 March 2012 establishing a multiannual radio spectrum policy programme “The Commission shall, in cooperation with the Member States seek to ensure that sufficient spectrum is made available under harmonised conditions to support the development of safety services and the free circulation of related devices as well as the development of innovative interoperable solutions for public safety and protection, civil protection and disaster relief.” 400MHz Existing Narrowband users. BB-NB interference effects Heavily used Insufficient bandwidth in most countries 500MHz 600MHz Remains protected for TV broadcast use 700MHz Currently broadcast TV Likely to be co-primary with mobile following WRC2015 Protection of TV and international interference to be considered 800MHz Allocated to mobile following first digital dividend CEPT Working Group FM project team 49 (FM49) are mandated to solve the ‘how much’ and ‘where’ problems Two methods adopted to estimate required spectrum in FM49 • Top down, and bottom up from user requirements • 10+10MHz for wide area spectrum • National needs may vary • Additional spectrum needed for voice, DMO, Air to Ground Examining possible band options • Some countries may allow some narrower blocks at 400MHz, but not acceptable to most • 700MHz spectrum from 2nd digital dividend most promising Spectrum delivery • Spectrum delivery is a national matter • Solution will be an agreed use of a band within a tuning range (e.g. 694-790MHz) • Some countries may provide dedicated spectrum • Some may provide through operators, e.g. through encumbrances Security & Defence SIG - 26 November 2013 900MHz Cellular mobile and other services 1GHz