ISO/IEC 15149:2011
(Main)Information technology — Telecommunications and information exchange between systems — Magnetic field area network (MFAN)
Information technology — Telecommunications and information exchange between systems — Magnetic field area network (MFAN)
ISO/IEC 15149:2011 specifies the physical layer and media access control layer protocols of a wireless network over a magnetic field in a low frequency band (~300 kHz), for wireless communication in harsh environments (i.e. around metal, underwater, underground, etc.). The physical layer protocol is designed for the following scope: low carrier frequency for large magnetic field area and reliable communication in harsh environments; simple and robust modulation for a low implementation cost and error performance; variable coding and bandwidth for a link adaptation. The media access control layer protocol is designed for the following scope: simple and efficient network topology for low power consumption; variable superframe structure for compact and efficient data transmission; dynamic address assignment for small packet size and efficient address management. ISO/IEC 15149:2011 supports several kbps data transmission in a wireless network within a distance of several metres. It can be applied to various services such as the following areas: in the environmental industry, to manage pollution levels in soil and water using wireless underground or underwater sensors; in the construction industry, to monitor the integrity of buildings and bridges using wireless, inner-corrosion sensors; in the consumer-electronics industry, to detect food spoilage in wet, airtight storage areas and to transfer the sensing data from the inside to the outside; in the agricultural industry, to manage the moisture level as well as mineral status in soil using buried wireless sensors; in the transportation industry, to manage road conditions and traffic information using wireless underground sensors.
Technologies de l'information — Téléinformatique — Réseau de zone de champ magnétique (MFAN)
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Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 15149
First edition
2011-12-01
Information technology —
Telecommunications and information
exchange between systems — Magnetic
field area network (MFAN)
Technologies de l'information — Téléinformatique — Réseau de zone
de champ magnétique (MFAN)
Reference number
ISO/IEC 15149:2011(E)
©
ISO/IEC 2011
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ISO/IEC 15149:2011(E)
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ii © ISO/IEC 2011 – All rights reserved
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ISO/IEC 15149:2011(E)
Contents Page
Foreword . v
1 Scope . 1
2 Terms and definitions . 2
3 Symbols and abbreviated terms . 3
4 Overview . 4
5 Network elements . 6
5.1 General . 6
5.2 Time element . 6
5.2.1 Request period . 7
5.2.2 Response period . 7
5.2.3 Spontaneous period . 7
5.2.4 Network activation . 7
5.3 Physical element . 8
5.3.1 MFAN-C. 8
5.3.2 MFAN-N. 8
5.4 Address element . 8
5.4.1 MFAN ID . 8
5.4.2 UID . 9
5.4.3 Group ID . 9
5.4.4 Node ID . 9
6 Network status . 10
6.1 General . 10
6.2 Network configuration . 10
6.3 Network association . 10
6.4 Network disassociation .
...
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