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Narrowband Land Mobile Radio Standards, Markets and Technologies
PracTel Inc., March 2010, Pages: 72
This report addresses technologies, applications and markets for digital narrowband Land Mobile Radio (LMR). This type of radio was developed to satisfy requirements of users and regulatory/standard organizations (such as FCC/ETSI):
- Cost efficiency; There is a wide open market of users who cannot afford P25/TETRA networks development and implementation; meanwhile they are satisfied with technical characteristics of the discussed in these report technologies that allow building less expensive radios.
- Narrowbanding; It seems that the discussed technologies can save users’ investments when the FCC and European organizations come up with final dates mandated to have 6.25 kHz channels.
The development was carried over independently in the U.S. and Europe, with the following results:
1. NXDN and MOTOTRBO. These narrowband (6.25 kHz channel) technologies were introduces in the U.S. by vendors (NXDN – Icom and Kenwood, and MOTOTRBO by Motorola.) So far, applications of these radios are concentrated on commercial users, such as railroads, utilities and other. Though only 3-4 years old NXDN an MOTOTRBO have already found their place in the market. NXDN is based on the FDMA technology; MOTOTRBO is based on the TDMA technology.
2. In Europe, practically at the same time when 6.25 kHz radios were introduced in the U.S., ETSI was working on the development of the DMR technology (TDMA) and dPMR technology (FDMA). Currently, ETSI has published standards for these 6.25 kHz radios and is working on their enhancements. Several vendors introduced their products.
The report analyzes properties of 6.25 kHz narrowband LMRs, their characteristics and the standardization process as well as their markets.
Target Audience:
This report is important for organizations using LMR. They need to understand the market dynamics and to be familiar with vendors’ portfolios to make a right choice in selection of equipment.
For LMR vendors, this report provides valuable information on competition. It also supports these vendors with the market assessment.
Research Methodology:
Considerable research was done using the Internet. Information from various Web sites was studied and analyzed; evaluation of publicly available marketing and technical publications was conducted. Telephone conversations and interviews were held with industry analysts, technical experts and executives. In addition to these interviews and primary research, secondary sources were used to develop a more complete mosaic of the market landscape, including industry and trade publications, conferences and seminars.
The overriding objective throughout the work has been to provide valid and relevant information. This has led to a continual review and update of the information content.
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