INTERNATIONAL ISO/IEC STANDARD 15149 First edition 2011-12-01 Information technology - Telecommunications and information exchange between systems Magnetic field area network (MFAN) Technologiesde l'information-Téleinformatique-Réseau de zone dechampmagnetique (MFAN) Reference number ISO/IEC15149:2011(E) IEC ISO @ISO/IEC2011 Copyright Intemational Organization for Standardization vithout license from IHS Not for Resale ISO/IEC 15149:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2011 - All rights reserved without ficense from IHS Not for Resale ISO/IEC15149:2011(E) Contents Page Foreword. 1 Scope .1 2 Terms and definitions 3 Symbols and abbreviated terms 4 Overview.. 5 Network elements 5.1 General 5.2 Time element..... 5.2.1 Requestperiod 5.2.2 Responseperiod 5.2.3 Spontaneous period 5.2.4 Network activation. 5.3 Physical element .... 5.3.1 MFAN-C 5.3.2 MFAN-N 5.4 Address element... .8 5.4.1 MFAN ID 5.4.2 UID.. 5.4.3 Group ID .9 5.4.4 Node ID, 6 Network status 6.1 General 10 6.2 Network configuration 10 6.3 Network association..... 6.4 Network disassociation 10 6.5 Datatransmission 10 6.6 Network release .... 10 6.7 MFANdevicestate... 6.7.1 MFAN-C state... 11 6.7.2 MFAN..N state........ 7 PHY layer. 13 7.1 PHY layer frame format. 13 7.1.1 General 7.1.2 Preamble 13 7.1.3 Header. 13 7.1.4 7.1.5 Framechecksequence(Fcs) 15 7.2 Coding and modulation .. 16 7.2.1 16 7.2.2 The data rate and coding type 7.2.3 Modulation .... 18 7.2.4 The coding and modulation process. 18 8 MAC layer frame format.. 20 8.1 .20 8.2 Frame format.. 20 8.2.1 Frame header. 20 8.2.2 Framebody 21 8.3 Frame type .... ili CopyrghtIntematlonalOonizanstandardzation All rightsreserved thout ficense from IHS Not for Resale