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Role of Wireless Communications in Intelligent Transportation Systems: Technologies and Markets

Published by: Practel, Inc.

Published: Apr. 1, 2008 - 168 Pages


Table of Contents


1.0 Introduction

1.1 Goal

1.2 IEEE 802.11

1.3 Project 25

1.4 Scope

1.5 Research Methodology

1.6 Target Audience

2.0 Intelligent Transportation Systems

2.1 General

2.2 History: U.S.

2.3 ITS Architecture: U.S.

2.4 Technologies

2.5 ITS Applications

2.6 National Transportation Communications for ITS Protocol (NTCIP)

3.0 Wireless Communications Protocols: 5.9 GHz DSRC Basis

3.1 General

3.2 IEEE 802.11p

3.2.1 General

3.2.2 Objectives and Status

3.2.3 5.9 GHz Transmission Advantages

3.2.4 Major Features

3.3 IEEE 1609

3.3.1 General

3.3.2 Overview

3.3.3 Relationship

3.3.4 IEEE 1556

3.4 Other

3.5 5.9 GHz DSRC Technology

3.5.1 History

3.5.2 Licensing

3.5.3 Equipment

3.5.4 Details: Dedicated Short Range Communications

3.5.5 Channel Designation

3.5.6 Service Categories

3.5.7 Applications

3.5.8 5.9 GHz DSRC Characteristics (U.S.)

3.5.9 DSRC at Work

3.5.9.1 Priorities

3.5.10 Requirements: DSRC

3.5.11 Regulation

3.5.12 Comparison

3.6 DSRC Worldwide Standard Activity

3.6.1 General

3.6.2 Process

3.6.3 Directions

3.6.4 ISO Additions

3.6.5 SAE Activity

3.6.6 OmniAir Consortium

3.6.7 Program

3.6.8 Japan

3.6.9 Korea

3.6.10 Brazil

3.7 5.9 GHz DSRC Benefits and Limitations

3.7.1 General

3.7.2 Toll Industry Benefits

3.8 Examples

3.9 RFID and DSRC: Similarities and Differences

3.10 Market

3.10.1 Market Drivers

3.10.2 Market Requirements

3.10.3 Data

3.10.4 Market Estimate

3.11 Vendors

Arinc

Cornet

Iteris

Kapsch

Mark IV

Oki

Q-Free

Raytheon

Signalion

Sirit

TransCore

TechnoCom

4.0 P25 Technology: New Directions for ITS

4.1 Introduction

4.1.1 ITS Communications Environment

4.2 Requirements

4.3 Standardization Process and Technologies

4.3.1 General: P25 Standard

4.3.2 Beginning

4.3.3 Project 25/TIA 102: Scope

4.3.3.1 Efforts

4.3.3.2 Phased Approach

4.3.3.2.1 Phases

4.3.3.2.2 Phase I

4.3.3.2.3 Phase II

4.3.3.2.4 Phase III

4.4 Current P25 Development-Phase I

4.4.1 General Mission and Objectives

4.4.1.2 Compliance

4.4.1.3 Benefits and Issues

4.4.2 Technical Highlights

4.4.2.1 Common Air Interface

4.4.2.2 Fixed Station Interface

4.4.2.3 Console Sub-system Interface

4.4.2.4 RF Sub-system

4.4.2.5 Inter-system Interface (ISSI)

4.4.2.6 Telephone Interconnect Interface

4.4.2.7 Network Management Interface

4.4.2.8 Host and Network Data Interfaces

4.4.2.9 Data Network Interface

4.4.2.10 Summary: Interfaces

4.4.3 Security

4.4.4 Coding

4.5 Frequency Bands

4.6 P25 Voice Messaging

4.7 System

4.8 Spectrum: Problems

4.8.1 700 MHz Band

4.9 Major Improvements

4.10 Services

4.11 Network Scenario

4.12 Basic Characteristics

4.13 Phase II

4.13.1 Transition

4.13.2 Scope

4.13.3 Time

4.13.3.1 Motorola and “Harmonized” Solutions

4.14 Phase III

4.14.1 General

4.14.2 Organization

4.14.3 Background

4.14.4 Project MESA Formulators

4.14.5 Networking

4.14.6 MESA Statement of Requirements (SoR)

4.14.6.1 General

4.14.6.2 Vision: Ad-hoc and Cell

4.14.6.2.1 Features

4.14.6.2.2 Technological Needs

4.14.6.2.3 General Technology-Requirements

4.14.6.2.4 Specific and Functional Requirements

4.14.7 Goals

4.14.8 Applications

4.14.9 Crossroads

4.14.9.1 Vendors Position

4.14.10 Technology Details: System of Systems

4.14.10.1 Framework description

4.14.10.1.1 Overview

4.14.11 Architecture

4.14.12 Security

4.14.13 Projects P25 and MESA

4.15 Characteristics

4.15.1 Technical

4.15.2 Economics

4.16 P25 Radio Market: ITS Application

4.16.1 General

4.16.2 Geography

4.16.3 Market Drivers

4.16.4 Market Forecast

4.16.4.1 Model Assumptions

4.16.4.2 Addressable Market Estimate

4.17 Vendors

Catalyst

Daniels

Datron

Digital Voice System

EDAS Secure Networks

EF Johnson

Etherstack

ICOM America

Kenwood

M/A-Com (Tyco Electronic)

Midland

Motorola

Nexus Wireless

Relm

Raytheon JPS

Simoco

Thales

Tait Electronics

Technisonic

Westel

Wireless Pacific

4.18 Examples

5.0 Conclusions

Appendix A: The Project 25 Suite of Standards Documents

Abstract

This report addresses progress and issues in the development of communications technologies and markets that support the Intelligent Transportation Systems (ITS). Particular, it shows the significance of Dedicated Short Reach Communications (DSRC) in 5.9 GHz band and Project 25 trunked radio in enhancing ITS features and effectiveness.

The development of these new communications technologies for the ITS application is a response on the users and government organizations demand to establish the industry standards, system compatibility and improve road safety.

Vehicular communications are becoming a reality driven by navigation safety requirements and by the investments of car manufacturers and Public Transport Authorities. Safe navigation support through wireless car to car and car to curb communications has become an important priority for car manufacturers as well as Municipal Transportation Authorities and Communications Standards Organizations.

5.9 GHz DSRC is the emerging communication technology that offers standardized ITS products and benefits in national large-scale deployments. U.S. DOT and the automotive OEMs will be the strategic players making deployment decisions in the 2008-2009 timeframe. 5.9 GHz DSRC systems provide a significant enhancement in communication capabilities over all previous ITS communications systems. DSRC will support multiple uses in vehicle/public safety and commercial applications that cannot be achieved today. DSRC is a cost-effective communications service, especially when compared with current cellular and satellite systems.

Key Findings:
  • At the present time, DSRC systems are not compatible with each other
  • In the U.S., the prevailing technology is 915 MHz DSRC
  • In Europe, the prevailing technology is 5.8 GHz DSRC
  • 5.9 GHz DSRC has many advantages, and it is under development by various research and standards organizations
  • This technology is envisioned as a replacement of all existing DSRC systems. This replacement will be gradual, and for several years new and old systems will co-exist. It is not expected that the new systems will create any noticeable interference into the old systems
  • The commercial introduction of 5.9 GHz systems is expected in 2008-2009 when IEEE ratifies the 802.11p standard
  • At the present time, the 5.9 GHz systems market is mostly limited to research and testing
  • The 5.9 GHz technology and market maturing is expected in the 2012-2014 timeframe.
Another communications technology that is enhancing ITS characteristics is a standard trunked radio, known in the U.S. as Project 25 radio. This radio is using digital technology, is frequency efficient and originally was developed for public safety organizations. The report shows that ITS applications of P25 radio are the second in importance after public safety applications. The report analyzes the P25 specifics for ITS applications; it shows details of the phase approach in the radio development and standardization; it also provides the results of the market analysis for P25 radio and its ITS application. The report contains examples of P25 systems used in airports and by Transit Authorities to improve efficiency of operation, safety, scheduling and other important transportation characteristics.

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