Subject: [NEXTEL-1] PSWN- Operational Best Practices for Managing Trunked Land Mobile Radio Systems

From: [email-masked]
Date: Sun, 08 Jun 2003 14:08:18 -0400

PSWN- Operational Best Practices for Managing Trunked Land Mobile Radio Systems
Final May 2003

INTRODUCTION

Until about 30 years ago, public safety agencies relied heavily on conventional radio systems.  Trunked LMR systems became popular as the population in urban areas grew and the size and scope of public safety missions and requirements expanded, resulting in a greater demand for public safety spectrum to meet communications needs.  In effect, trunked LMR systems took precedence in urban areas because of the technologies efficient use of finite public safety spectrum through frequency sharing.  Today, trunked LMR systems are common within the public safety arena because of this benefit, as well as other advantages including fast system access, enhanced feature sets, channel efficiency, security, and flexibility.  In short, trunking technology provides the ability to easily and efficiently segment the user population of an organization into functional groups that are more reflective of the actual organizational structure of the user agency.  These groups are typically referred to as talk groups.
This segmentation allows the routing of calls to members of only these groups.  Despite these technological benefits, trunked LMR systems require communications officials to coordinate, manage, and consistently monitor several aspects of the system as well to plan as for future improvements.
With the aid of this Operational Best Practices for Managing Trunked LMR Systems, communications officials may be able to identify new procedures or improved methods to complement system management functions and assist users with LMR communications.

It is important to note that despite this reports focus on trunking technology, communications, officials that manage systems using alternate technologies may also find many of the practices outlined are applicable to their LMR system operations.  For readers desiring an overview of the basics of trunking technology, see Appendix A.
Trunked land mobile radio (LMR) system oversight requires a multifaceted management approach.  Communications officials routinely must assess various technical and operational factors that impact their systems, and ultimately their customers, the radio users.  Yet, LMR operational factors are seldom subjected to further research and documentation.
To assist communications officials with this important endeavour, the Public Safety Wireless Network (PSWN) Program has developed the Operational Best Practices for Managing Trunked LMR Systems document.  This report explores and documents various operational techniques, procedures, and processes that may be helpful to system managers and users alike.

It highlights best practices and lessons learned that, when implemented, may result in enhanced interoperability, improved system efficiencies, and the advancement of overall LMR management functions.  This report is intended to support public safety radio system managers, communications representatives, or project managers researching procedures and activities for improved trunked LMR capabilities.

http://www.pswn.gov/admin/librarydocs11/Operational_Best_Practices_for_Trunked_Radio_Systems.pdf

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