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March 20191Project 25 Technology Interest Group

International Wireless and Communications ExpoLas Vegas, Nevada

March 7, 2019

Project 25 with LTE: Mission Critical PTT Interworking Standards in

Development

Presented by:PTIG - The Project 25 Technology Interest Group

www.project25.org – Booth 2761

http://www.project25.org/


Program Participants

Moderator• Steve Nichols, Director, Project 25 Technology Interest Group (PTIG)

Panelists• Cindy Cast, Radio Systems Manager, Miami-Dade County, Florida

Chairman: Project 25 Technology Interest Group

Vice-Chairman: State of Florida, Communications Focus Group

• Jeremy Elder, Director of Integrated Platforms, HARRIS CORPORATION

• Andy Davis, Senior Resource Manager, Project 25, MOTOROLA SOLUTIONS Chairman: TIA TR-8


Agenda

TOPIC SPEAKER

P25 Resources Available Steve Nichols, PTIG

Project 25 with LTE Overview & User PerspectiveCindy Cast, Miami-

Dade County

Business Model - Deployment models for P25 & LTE MCPTT

Interworking

Jeremy Elder,

HARRIS

Standards Update: ATIS/TIA LMR LTE Joint Project Committee Andy Davis,

MOTOROLA

Open Q&A session


What do we do?• Provide a forum for users and manufacturers

• Manage education and training on Project 25

• Create and distribute Project 25 information

• Support the TIA standards process

• Offer Users access to the standards process without the rigor of TIA membership

• Maintain a “neutral ground” among the competing manufacturers and providers

And…

• Present Classroom Training and Panels such as THIS SESSION.

Project 25 Technology Interest Group (PTIG)


WWW.Project25.org


Project 25 Technology Interest Group (PTIG)

Documents available at www.Project25.org

• P25 Standards Update SummarySummary of the latest TIA TR-8 P25 Standards Meetings with user benefits defined

• List of P25 Systems (2200+)

• P25 Case Studies, PTIG Conference Presentations

• P25 Testing (Links to DHS CAP Program)

• P25 Non CAP ISSI Testing Template and Reports

• New P25 White papers: P25 Authentication, What is P25

Compliance?

• P25 Frequently Asked Questions

• P25 Capability Guide Remains the best tool for managing P25 features and capabilities for system planning and RFP development




March 7, 2019

Project 25 with LTE Overview & User Perspective



Cindy CastRadio Systems Manager, Miami Dade County FL

Chairman, Project 25 Technology Interest Group




• Project 25 (P25) – Land Mobile Radio (LMR)

• Long Term Evolution (LTE) – Cellular

• FirstNet (LTE) – Public Safety Broadband Network

• Existing Radio System

• Existing Cellular Usage

• Government Users LTE Expectations

• Government Users LTE Initial Deployments

• Government Users LTE Challenges/Opportunities

• Government Users LMR/LTE Interworking

Overview & User Perspective


• Project 25 (P25) – Land Mobile Radio (LMR)

o Standard for the design and manufacture of interoperable digital two-way wireless communications products.

o Developed in North America with state, local and federal representatives and Telecommunications Industry Association (TIA) governance, P25 has gained worldwide acceptance for public safety, security, public service, and commercial applications

• Long Term Evolution (LTE) – Cellular

o Standard for wireless broadband communication for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA technologies.

o It increases the capacity and speed using a different radio interface together with core network improvements.

Overview


• FirstNet - Public Safety Broadband Network

o The First Responder Network Authority of the United States was created under the Middle Class Tax Relief and Job Creation Act of 2012 as an independent authority.

o FirstNet is a nationwide wireless broadband network being built for first responders.

o The First Responder Network Authority is the federal entity charged with overseeing the creation and delivery of the FirstNet network. It is housed within the Department of Commerce, National Telecommunications and Information Administration.

o AT&T was awarded the contract in April 2017 to build the LTE broadband network.

o The agency’s role is to ensure AT&T delivers on the terms of its contract and creates a network that meets the needs of public safety now and into the future.

Overview


• Government agencies rely on Land Mobile Radio (LMR) systems to support voice two-way radio communications for personnel in the field to communicate.

• Radio Systems are complex terrestrially-based, wireless communications systems. Not all radio systems are the same. The configuration of the radio system makes it unique. When developing a radio system there are many elements involved. However, some of the primary elements are:

oCapacity - # of talkpaths, # of devices, avg. length of conversation

o Frequency – VHF, UHF, 800 MHz, 700 MHz

oCoverage – street level, inside of buildings (density level) for jurisdiction

o Type – Conventional, trunked, single site, multi-site, analog, digital, encryption, local control, programming processes for interoperability

oReliability – the performance of the system under a stated condition for a specified period of time.

oCost – Original purchase price, plus, on-going operational and maintenance costs

Existing Radio System


• Government agencies utilize Cellular systems to augment existing forms of communication

• Mobile Data Terminals (MDT) – laptops in vehicles – NCIC Lookups

– Local Computer Aid Dispatch (CAD) Systems

– Access Shared Data Information

– Emails

– Internet

• Cell phones– Voice Calls

– Data transmissions

» Emails

» Internet

Existing Cellular Usage


• Reliability• Equal or better

• Coverage • Equal or better

• Cost• Less money or more services

• Capacity • Equal or better

• Frequency • Band 14 plus commercial bands

• Type • Local control & seamless transfer from carrier to carrier for interoperability

Government Users LTE Expectations


• Replacing existing MDT service provider equipment

• Interworking with existing P25 systems

• Increasing coverage for non-critical users regularly going outside of jurisdiction

• Increasing coverage gaps for non-critical users within existing systems

• Convergence of new devices (testing phase)

Government Users LTE Initial Deployments


• Overcoming, State and Local government agency contracts with carriers that are not AT&T(FirstNet), which currently indicate they have enhanced coverage.

• Since there are currently, no established standards or agreements for the following, they should be developed.

• cellular commercial carriers to ensure prioritized interoperability for critical public safety applications and access between carriers.

• cellular commercial carriers to ensure seamless access and transferring of data between carriers.

Government Users LTE Challenges/Opportunities


• LTE to operate between carriers for public safety mission critical broadband data

• LTE to operate between carriers & FirstNet for public safety mission critical broadband data

• LTE/FirstNet to develop interoperable capabilities with P25 systems

Government Users LMR/LTE Interworking


Government Users LMR/LTE Interworking

There is a place in Public Safety for LMR & LTE systemsUtilizing the best of both technologies


Thank You

Cindy [email protected]

Radio Systems Manager, Miami Dade County FL

Chairman, Project 25 Technology Interest Group




March 7, 2019

Business Model Deployment models for P25 & LTE

MCPTT Interworking



Jeremy Elder, Director of Integrated Platforms, Harris



• Major trends advancing P25/LTE MCPTT Interworking and supporting network evolution to P25 with 3GPP LTE:

o Migration of proprietary & analog LMR technologies to P25

o Legislation & spectrum policy support for public safety broadband

o Standards advancement (discussed later today)

o Major carrier investments in 3GPP LTE MCPTT capabilities

• Objective: Discuss deployment models for P25/LTE MCPTT interworking and describe their trade-offs

Introduction

These P25/LTE MCPTT deployment models are present in the marketplace today. This presentation will focus on models rather than

on specific examples of implementations.


A general model for 3GPP standards deployment with P25 interworking

Standardized interfaces between 3GPP MCPTT services and between MCPTT and LMR (P25) networks are enablers


Carrier-centric deployment model

PTT Service and LTE subscription are offered as a bundled service with interworking interface available


Carrier-centric deployment model

Key Points:

• Carrier offers MCPTT and LTE subscription as a bundled service

• Carrier provides interworking interface that can be used to connect a P25 system

Benefits:

• OPEX model with low initial cost of entry

• Potential cost benefits with bundled packages

• Native interoperability with other PTT service members

Potential Challenges:

• Limited local control

• Interop with agencies subscribing to a different carrier


Cloud deployment model

PTT over LTE networks “as-a-Service”


Cloud deployment model

Key Points:

• PTT service subscription and LTE service subscription are obtained from different vendors

• PTT service provides interworking capabilities for P25

Benefits:

• OPEX model with low initial cost of entry

• PS agency has choice in LTE providers & PTT service providers


• Establishing QoS over the LTE network

• Interoperability with agencies that subscribe to a different PTT service


On-premise deployment model

PTT service co-deployed with P25 service and operating over LTE network.


On-premise deployment model

Key Points:

• PTT and P25 services are procured from the same vendor

• PTT and P25 services are jointly deployed on an agency’s network

Benefits:

• Choice in LTE providers & PTT service providers

• High amount of local control as entities “own” the service


• Initial capital investment & ongoing maintenance costs

• Establishing QoS over the LTE network

• Interoperability with other PTT services


Summary – P25/LTE MCPTT Interworking Deployment Models

• P25 migration & P25/3GPP LTE network evolution are both underway

• Multiple deployment models are possible, each with different trade-offs:

o CAPEX investments versus OPEX costs.

o Choices for LTE provider, PTT provider, and devices

o Tiers of Local Control & Quality of Service

o Interoperability challenges depending on offered capabilities

• Availability of multiple deployment options enables agencies to adopt the solution that best meets their needs


Thank You

Jeremy [email protected]

Director of Integrated Platforms, Harris



March 7, 2019

P25 Standards UpdateATIS/TIA Joint LMR LTE Joint Project

Committee

Andy DavisChairman; TIA TR-8 Mobile and Personal Private Radio Engineering Committee

Sr. Resource Manager; P25 Standards - Motorola Solutions

Presented by:

PTIG - The Project 25 Technology Interest Group




• TIA and ATIS Memorandum of Understanding dates back to 2006 in which the two SDOs “agree to jointly sponsor and work cooperatively in the development of joint standards documents that are of mutual interest”.

• ATIS – Alliance for Telecommunications Industry Solutions is a Standards Development Organization (SDO) develops technical and operational standards and solutions for the ICT (Information and Communication Technologies) industry (members include manufacturers and user agencies such as APCO)

• TIA – Telecommunications Industry Association is a Standards Development Organization (SDO) that develops voluntary, consensus-based industry standards for a wide variety of ICT products (members include manufacturers and P.S. Agency reps)

ATIS and TIA Background (1 of 2)


• TIA and ATIS began work on interworking of LTE Mission Critical (MC) and LMR services in 2012

• Joint Project Committee known as “JLMRLTE”

• This included Tetra, P25 Conventional, P25 Trunking and TIA-603 based Conventional Analog FM service

• In 2014 , the JLMRLTE agreed to “postpone further work in JLMRLTE until the LTE part of MCPTT work in 3GPP is more developed”

• In 2015 work resumed that created documents defining kLMRterminology and high level service descriptions

• Provided to 3GPP in 2016

• In December 2017, JLMRLTE work resumed

• Primary participants are 3GPP member representatives, TIA member representatives, Firstnet, AT&T

ATIS and TIA Background (2 of 2)


• Current ATIS Issue statement (WTSC-JLMRLTE-2017-00001R001) excerpt:

This issue statement proposes that ATIS WTSC (SN and RAN) initiate work with TIA TR-8 (TR-8.8 subcommittee) to develop joint ATIS/TIA specification(s), with ATIS as the lead Standards Development Organization (SDO).

Joint ATIS/TIA specification(s) on Use Cases, requirements, architecture, call/message flows, and implementation guidelines would be developed that define interworking of standard interfaces for published or future TIA LMR standards to the 3GPP interworking specifications. The JPC shall coordinate with 3GPP and TIA committees to identify and address gaps and evolve those standards as necessary. in support of this issue. As application and service protocols evolve, the work should accommodate, in so far as is possible, interoperation of new broadband public safety features with new features of TIA-102 and TIA-603 conventional FM systems.

ATIS/TIA JLMRLTE Status (1 of 7)


• Current work item WTSC-JLMRLTE-2019-00001R001 title:

• “Study of Interworking between P25 LMR and 3GPP (MCPTT) Mission Critical Services”

• Scope excerpt:

This document contains scenarios and considerations for the use of a 3GPP

Release 15 Interworking Function to enable interoperability of services

between a 3GPP MC system and a TIA-based LMR system. For the purposes

of this document there are three distinct TIA-based LMR systems that will be

examined, namely: P25 trunking, P25 conventional, and TIA-603 analog

conventional FM.

NOTE: This document is intended to describe how that 3GPP Interworking Function

may be used to enable interoperability of those services that are common

between 3GPP MC systems and each of the three TIA-based LMR systems

mentioned above. Interoperability of services between 3GPP MC systems and

TETRA-based LMR systems are outside the scope of this document.



• 3GPP Release 15 and 16 documents define:

• Interconnection of 3GPP LTE Mission Critical Systems

• Interworking between LTE and non-LTE Systems

• The 3GPP Interworking architecture defines an Interworking functional entity (IWF)

• Adapts LMR Systems to mission critical systems via the IWF interface and supports interworking between LMR systems and mission critical systems.

• From the 3GPP side, the IWF acts as another MC System

• From the LMR side, the IWF acts as another LMR System

• The IWF is the functional entity responsible for conversion of media and control signaling between LTE and LMR technologies



• High level functional model found in the JLMRLTE document:


MC serviceIWF

Conventional FMLMR system

IWF-1, IWF-2, IWF-3

L603

TIA-102 LMR system

L102C/L102T

L603 – TBD interface to Conventional analog FM system

L102C – TBD interface to P25 Conventional System

L102T – TBD interface to P25 Trunking System

IWF-1, -2, -3 – Interfaces to 3GPP Mission Critical (MC) System

Services

NOTE: IWF in this picture = LMR Interworking Gateway device(s) that

connect LMR and LTE standard interfaces to enable interoperability (orange box in previous deployment model slides)


• Current philosophy of the JLMRLTE document:

• Describe how common services (features) may interwork (interoperate)oDo not prescribe a particular LMR interfaces to the IWF although ISSI/DFSI

are likely candidates

oDo not prescribe specific 3GPP or TIA messages to or from the IWF

oDo not prescribe specific TIA devices that may interface with the IWF

• High level identification of message translations that are needed for interworking

• High level identification of media translations that are needed for interworking

• Identify issues “For Future Study (FFS)” that must be resolved



• Current JLMRLTE document Table of Contents includes:

oArchitectural considerations and assumptions (active work)

oFunctional models (placeholder)

oAddressing (placeholder)

oDeployment models (placeholder)

oFeatures and scenarios (active work)

• Architectural considerations and assumptions section provides high level descriptions of how services operate

• Features and scenarios section provides descriptions and generic message flows for establishing, maintaining and terminating interworking services



• ATIS intends to publish some form of the current working document in June 2019

• The completion level of the current document by June 2019 is TBD

• The level of detail (architecture level vs. protocol level) that ATIS will eventually provide is TBD

• The JLMRLTE has requested the submission of discussion papers from the participating members that are intended to further define the breadth and depth of documents to be produced by the JLMRLTE

• Standards work in 3GPP or TIA may be necessary to enable implementation of 3GPP LTE MC and TIA LMR service interworking defined by the JLMRLTE documentation



Thank You

Andy [email protected]

Chairman; TIA TR-8 Mobile and Personal Private Radio

Engineering Committee

Sr. Resource Manager; P25 Standards - Motorola Solutions



March 5, 2019

Project 25 with LTE: Mission Critical PTT Interworking

Standards in Development