Standard Public Safety Trunked Radio Systems

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Standard Public Safety
Trunked Radio Systems
Assessment of
Technologies and Markets for
First Responders Radio

Published:
Vlad Kaminsky, Ph.D.
September, 2004

Audience | Overview | TOC

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*one print copy included

Target Audience:

This report is important for the government agencies involved in the first response to critical situations. The technical departments of such agencies need to have a document, which in simple language explains radio technology and architectures of networks supporting public safety radios. They also need to have a picture of the market with the major players and their portfolios to select the right equipment.For vendors of the first response technology, this report provides valuable information on competition. It also supports these vendors with the market assessment.

Overview:

This report is about technologies and markets for public safety systems. Public safety system is a generic term, which combines various means of communications used by law enforcement, first responders and other similar agencies. They include paging systems, two-way mobile relay systems, short messaging systems and many others. This report is dealing only with type of public safety systems – trunked radio, which is the most popular due to the richness of the features and cost efficiency.

The key to network and radio interoperability and success of public safety systems are maturing radio communications standards known as Project 25, or P25 for short, which gained exclusive popularity in the U.S, and TETRA, which was developed by ETSI in Europe and spread around the world.

This report is written in the time when the civilized world is at war with terrorism. Addressing the technical aspects of effective communications between first responders and agencies involved in this war at the first line of offense and defense is very important. This is why we see the report as a necessary document to analyze the technologies and the market for the first responders’ radios.

This report consists of the two major parts and it addresses the following major items:

Technology

Standardization process

Trends

Requirements

Specifics

Roadblocks

Architecture

Market

Trends

Specifics

Modeling

Forecast

Vendors and their portfolio.

The significance of this report is difficult to overestimate. We are producing a document, which analyzes a complex of issues associated with the use of the first responders’ radios and we are evaluating the current problems with telecommunications technology to support first responders. We show technological trends and developments of the market for public safety systems, and we stress the importance to equip the police, firefighters and others with the most advanced means of communications. In the today environment, this is not a luxury, but a matter of live or death for many people. We found lack of the information in this arena, especially in the public domain.

Table of Contents

1.0 Introduction

1.1 New Era

1.2 Initial Actions

1.2.1 Road to Interoperability

1.2.2 New Technology

1.3 Scope and Goals

1.4 Research Methodology

1.5 Target Audience

2.0 Trunked Radio – The Way to Go

2.1 Concept

2.2 Details

2.2.1 Talk Groups

2.2.1.1 Encryption

2.2.3 Spectrum Efficiency

2.2.4 System Operation: Dispatch/Land Mobile Radio

2.2.5 System Administration

2.2.6 Directions

3.0 Technology: New Roads for Public Safety Communications

3.1 Requirements to Public Safety Radio

3.2 Standardization Process and Technologies

3.2.1 General

3.2.2 Beginning

3.2.3 Project 25/TIA 102: Details

3.2.3.1 Efforts

3.2.3.2 Phased Approach

3.2.3.3 Scope

3.2.3.3.1 General Mission and Objectives

3.2.3.4 Technical Highlights

3.2.3.4.1 Common Air Interface

3.2.3.4.2 RF Sub-system

3.2.3.4.3 Inter-system interface

3.2.3.4.4 Telephone Interconnect Interface

3.2.3.4.5 Network Management Interface

3.2.3.4.6 Host and Network Data Interfaces

3.2.4 Spectrum: Problems

3.2.5 Major Improvements

3.2.6 Services

3.2.7 Network Scenario

3.3 TETRA: Scope

3.3.1 General

3.3.2 Bands

3.3.3 TETRA and GSM

3.3.4 Main Features

3.3.4.1 General

3.3.4.2 Technical

3.3.4.3 Services

3.3.5 Benefits

3.3.6 Networking

3.3.7 Details

3.3.7.1 General

3.3.7.2 Interfaces

3.3.7.3 Structure

3.4 P25 and TETRA

3.5 Other Techniques

3.5.1 iDEN

TDMA/Channel Definition

M16-QAM Digital Modulation

Signal Formats Carrier Numbers vs. Frequencies

Audio Digitization and Compression

3.5.2 Software Define Radio

3.5.2.1 Benefits