The Standards Environment for next Generation Systems

THE STANDARDS ENVIRONMENT FOR NEXT GENERATION SYSTEMS

David Chater-Lea

Fellow of the Technical Staff, Motorola Solutions UK Ltd Chairman, TC TETRA WG4 Vice Chairman, TC TETRA WG6

ICT KTN & Cambridge Wireless Security & Defence SIG: The Evolution of First Responder Communications - Making the Most of Available 4G Services 26th November 2013

Topics

The need for standards

Mission critical services standards

Spectrum for mission critical services

Security & Defence SIG - 26 November 2013

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

Approx 4 million terminals sold in current TETRA market vs 6.5 billion active mobile connections.... (Source: GSMA)


Network and application layer standards

The network layer standard(s) are fairly clear

The application layer still has many parallel standards activities....


IP

Mission Critical Applications PTT voice, video, ...

?

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?

?


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)


3GPP timelines


2013 2014 2015 2016

Requirements freeze (Mar/June)

Architecture freeze (Dec/Mar)

Protocols freeze (June) Release

12

Release

13 Protocols freeze

Date TBA

UE eNBMBMS

GWBM-SC

GCSE

Application

server

MME P-GW

Uu GC3

S1-MME

SG-imb

SGi

SG-mb

GC2

S-GW

GC4 S11 S5

S1-U

GCSE

Application

UE

GCSE

Application

ProSe Communication

UEGC1GCSE

Application

MuSe

GC5Media

Reference architecture

for group call service

Further releases on an approximately 18 month cycle

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


CCA

EPC + eNB

UE

Mobile CCA

Mobile Applications

Applications

CCA

EPC

UE

Mobile

CCA

Mobile

App

Apps.

1

2

3

4

5

6

7

8

PMR

Infra

MobApp

Apps.

8

PMR

Terminal

e.g.

Voice

SMS

9

Terminal

Spectrum

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?


30MHz 300MHz 3GHz 100MHz 1GHz

Insufficient bandwidth Much interference Longer ranges = poor cellular reuse Long antennas

NATO Lower ranges More expensive networks

400MHz 500MHz 600MHz 700MHz 800MHz 900MHz 1GHz

‘Sweet spot’ Good range Good reuse

Narrowband TV Cellular (+others) (TV)

APPROVE

D

APPROVE

D

Spectrum relationships

RADIO SPECTRUM POLICY GROUP

Political decision that ‘need’ exists and is justified

Procedural route to identify where spectrum

will come from

Ratification of the allocation of spectrum to fit

‘need’

Implementation of the decision in member states

FM49

RADIO SPECTRUM FOR PUBLIC

PROTECTION AND DISASTER

RELIEF (PPDR)

WORK IN

PROGRESS

COMPLETION

2014

Region 1: EMEA,

RU, CIS

Region 2:

Americas

Region 3: APAC

2012: Agenda

Setting

2015: Agenda

Item

2020: Spectrum

Avail.

User groups

LEWP, PSCE

NB: International agreements; national allocation


http://www.cept.org/cept

http://www.cept.org/ecc

Spectrum progress

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


400MHz 500MHz 600MHz 700MHz 800MHz 900MHz 1GHz

Existing Narrowband users. BB-NB interference effects Heavily used Insufficient bandwidth in most countries

Remains protected for TV broadcast use

Currently broadcast TV Likely to be co-primary with mobile following WRC2015 Protection of TV and international interference to be considered

Allocated to mobile following first digital dividend

Cellular mobile and other services

“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.”

DECISION No 243/2012/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 14 March 2012

establishing a multiannual radio spectrum policy programme

Technology

The Standards Environment for next Generation Systems