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Public and Private Land Mobile Radio Telephones and Systems

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Public and Private Land Mobile Radio Telephones and Systems


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  • Copyright 2000
  • Edition: 1st
  • Book
  • ISBN-10: 0-13-673609-2
  • ISBN-13: 978-0-13-673609-7


This single book covers what you need to know about analog and digital land mobile radio systems to develop and sell systems, mobile radios and services. It explains the different types of public and private land mobile radio technologies including iDEN, EDACS, TETRA, APC025, MPT1327, LTR and others. It describes the key applications, such as group call, voice broadcast and short messaging, that help drive the rapid customer growth for these systems. This book is important to managers, technicians and salespeople who want to understand how the technologies work and the key features they can offer without having to use complicated mathematical references.

Public and Private Land Mobile Radio Telephones and Systems features:

  • Simple, nonmathematical descriptions of the leading land mobile radio technologies
  • Listings of major LMR system and mobile equipment suppliers Reviews from more than 100 industry experts, leading manufacturers and service providers
  • Descriptions of the key applications and the economics associated with them

Here is what others say about the book:

"This is one of the most comprehensive books on public and private land mobile radio available today." —Tom Wineland, President, Kenwood

"Someone entering the land mobile radio field will find this book a great introduction." —Stacy Skillern Horne, Editor, Radio Resource Magazine

"This book is essential for those involved with land mobile radio technologies." —Steven Fulford, President, Comspace

"Finally, a book that covers the advanced products and services that land mobile systems can provide!" —Frank Casazza, President, Mobex

"The overviews of land mobile radio technologies allow a good understanding of the recent advances in land mobile radio technology." —Sal Farina, Vice President of Sales, Uniden

"A great reference book for new entrants and established professionals in the land mobile radio industry." —Ray Trott, President, Radio Club of America and Chairman, Trott Communications


Sample Content

Downloadable Sample Chapter

Click here for a sample chapter for this book: 0136736092.pdf

Table of Contents

1. Introduction to Land Mobile Radio.

Conventional Land Mobile Radio (Two-Wav). Commercial Trunked Radio. The Need for Land Mobile Radio. Locations of Commercial Trunked Radio Systems.

North America. Europe/Eurasia. Central and South America and the Caribbean. Asia-Pacific. Africa/Middle East.

Commercial Trunked Radio Services.

Voice. Dispatch. Paging and Messaging. Data.

Commercial Trunked Radio Standards.

Analog Systems. Digital Systems.

Trunked Mobile Radio Equipment. Commercial Trunked Radio Users. Commercial Trunked Radio Equipment Suppliers. Trunked Radio Competition. Radio Spectrum Regulation. Summary.

2. SMR Technology and Evolution.

Mobile Radio Systems.

Conventional Two-Way Radio. Trunked Radio. Enhanced Specialized Mobile Radio (ESMR).


Analog. Digital. Simplex Systems. Semi-Duplex Systems. Full Duplex Systems. Repeater Systems. Community Repeater Systems. Conventional System Enhancements.

Key Applications.

Public Safety. Emergency. Industrial. Utilities. Transportation. Marine. Local Dispatch. Business Radio Services. Location Tracking. Environemental. Security.

3. Analog Land Mobile Radio Systems.

Logic Trunked Radio (LTR). SmartWorks. SmartNet. SmarTrunk. SmartZone. LTR-Net. Multi-Net II. PassPort. APCO. ESAS. MPT.

4. Digital LMR Technology.

Digital System Advantages.

Increased Capacity. New Features. Digital Transmission Quality. Security and Voice Privacy. Economic Benefits.

System Access Technologies.

Frequency Division Multiple Access (FDMA). Time Division Multiple Access (TDMA). Spread Spectrum (FHMA and CDMA).


Amplitude Modulation (AM). Frequency Modulation (FM). Phase Modulation (PM). Combined Phase and Amplitude Modulation.

Radio Channel Types.

Traffic (or Voice) Channels. Control.

Duplex Operation. Voice Processing/Speech Coding. Channel Coding (Error Detection and Correction).

Block Coding. Convolutional Coding.

RF Power Level Control. Dynamic Time Alignment. Spectral Efficiency. System Efficiency. System Security and Privacy. Dual Mode Systems. Signaling.

In-Band Signaling. Out-of-Band Signaling. Logical Channels.

Squelch Systems.

Carrier Controlled Squelch System. Tone Controlled Squelch System. Digital Squelch System.

5. Digital LMR Systems.


6. Land Mobile Radios.

Analog Audio Signal Processing. Digital Audio Signal Processing. Speech Coding. Error Protection. Radio Signal Processing. Display Technology.


Gain. Antenna Loaded Coils.


External Microphone. External Speaker. Modems and Data Adapters. Battery Chargers. Software Download Transfer Equipment. Subscriber Identity Cards.

Power Supply.

Vehicle Power Supplies. Line Voltage Power Supplies. Batteries.

Digital Land Mobile Radio.

7. Land Mobile Radio Systems.

Land Mobile Radio System Equipment.

Base Stations. Antenna Towers. Repeater Relays. Dispatch Consoles. Switching Centers. Databases. System Security.

Implementation Methods.

Radio Simulcasting. Offset Radio Channel. Frequency Reuse. Handoff. Voting Receivers. Upgrading Conventional LMR to Trunked Radio Systems. Integrated and Overlay. Sub-Rate Multiplexing. Distributed Switching. Echo Cancelers.

LMR System Interconnections.

Public Telephone Network. Dispatch Center. Data Networks. Voice and Fax Mail Systems. Customer Service Center.

System Design.

Strategic Planning. Radio Propagation. Frequency Planning. System Testing and Verification.

8. LMR Economics.

Land Mobile Radios.

Development Costs. Cost of Production. Patent Royalty Cost. Marketing Cost. Post-Sales Support. Manufacturers' Profit.

System Equipment.

Development Costs. Cost of Production. Patent Royalty Cost. Marketing Costs. Post-Sales Support. Manufacturer's Profit.

System Capital Cost.

Radio Site. System Operations Center.

System Operational Cost.

Leasing and Maintaining Communication Lines. Local and Long-Distance Tariffs. Billing Services. Operations, Administration and Maintenance (OA&M). Land and Site Leasing. Service Revenue Potential. System Cost to the Service Provider. Voice Service Cost to the Consumer. Data Service Cost to the Consumer. Mobile Radio Cost to the Consumer. Availability of Equipment. Distribution and Retail Channels.

Market Growth.

9. Future LMR Technologies.

Voice Paging. High Speed Packet Systems. Digital Channel Multicarrier Architecture (DC/MATM). Spatial Division Multiple Access (SDMA). Dual Technology Mobile Radios.

10. Advanced LMR Services.

Short Messaging.

Point-to-Point Messaging. Point-to-Multi-Point Messaging. Broadcast Messaging. Executable Messages.

Data Communication.

Circuit Switched Data. Packet Switched Data. Fax Delivery. Telemetry/Monitoring. Remote Control.

Image Services.

Photo Transfer. Video Transfer.

Location Monitoring.

System Position Location. External Position Location.


Voice Dispatch. Computer-Aided Dispatch.

Appendix I. Acronyms.

Appendix II. Industry Standards.

Document Distribution.

United States. Australia. Brazil. Canada. Colombia. France. Germany. Hong Kong. Italy. Mexico. Latin America (via Miami). Nordic. South Africa. United Kingdom.


Appendix III. Associations.




Commercial Trunked Radio is currently in operation in over 61 countries worldwide, and it will continue to grow as more and more countries realize the enormous benefits to their economies.

In some countries, we refer to trunked radio as Specialized Mobile Radio, Enhanced Specialized Mobile Radio, or Public Access Mobile Radio, just to name a few. Recognizing the many different terms for essentially the same basic service, be it analog or digital, IMTA prefers to use the term Commercial Trunked Radio.

What characterizes this type of radio system apart from traditional LMR systems is not so much the technology but the nature of exclusive licenses that allow operators to operate as a carrier. Operators of private internal systems often have little incentives to upgrade equipment, maximize capacity, and develop larger coverage areas. On the contrary, commercial trunked radio operators have economic incentives to operate efficiently, expand coverage areas, and to offer an array of different services (voice & data) and more.

Today there are over 8,000,000 units in service worldwide. We use this particular measure for analysis since a typical customer may order and maintain eight radios on average. The overall growth of "units in service" is expected to increase very dramatically as we see more and more digital systems coming on line.

We are extremely pleased to have been invited to help in the preparation of this worthy endeavor, and are pleased to be looked upon as a truly international association representing the Commercial Trunked Radio Industry worldwide. This book is truly a "must read" for anyone considering entering this highly lucrative business.

Alan R. Shark
President & CEO
International Mobile Telecommunications Association
Washington, D.C.


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