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ISO/IEC 14543-3-10
Edition 2.0 2020-03
INTERNATIONAL
STANDARD
colour
inside
Information technology – Home electronic system (HES) architecture –
Part 3-10: Amplitude modulated wireless short-packet (AMWSP) protocol
optimized for energy harvesting – Architecture and lower layer protocols
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ISO/IEC 14543-3-10
Edition 2.0 2020-03
INTERNATIONAL
STANDARD
Information technology – Home electronic system (HES) architecture –
Part 3-10: Amplitude modulated wireless short-packet (AMWSP) protocol
optimized for energy harvesting – Architecture and lower layer protocols
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.240.67 ISBN 978-2-8322-7979-3
– 2 – ISO/IEC 14543-3-10:2020 © ISO/IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 13
4 Conformance . 13
5 Architecture . 13
5.1 Generic protocol description . 13
5.1.1 Overview . 13
5.1.2 Physical layer . 14
5.1.3 Data link layer . 14
5.1.4 Network layer . 14
5.1.5 Transport layer . 15
5.1.6 Session layer . 15
5.1.7 Presentation layer . 15
5.1.8 Application layer . 15
5.2 Data unit description . 15
6 Layer 1 – Physical layer . 16
6.1 Overview. 16
6.2 General description . 16
6.3 Requirements for the 315 MHz AMWSP protocol . 18
6.4 Requirements for the 868,3 MHz AMWSP protocol. 21
6.5 Frame structure . 23
7 Layer 2 – Data link layer . 25
7.1 Overview. 25
7.2 Subtelegram timing . 25
7.3 Data integrity . 26
7.3.1 General . 26
7.3.2 4 bit summation hash function algorithm . 27
7.3.3 8 bit summation hash function algorithm . 27
7.3.4 8 bit cyclic redundancy check (CRC) hash function algorithm . 27
7.4 Listen before talk . 28
8 Layer 3 – Network layer . 28
8.1 Overview. 28
8.2 Switch telegram . 28
8.3 Repeater . 29
8.3.1 General . 29
8.3.2 Time response for collision avoidance . 29
8.3.3 Bits of a repeater level in the STATUS byte . 30
8.4 Addressing . 30
8.4.1 General . 30
8.4.2 Encapsulation . 31
Annex A (informative) Examples of how to evaluate the hash values . 32
Bibliography . 34
Figure 1 – Structure of a subtelegram . 15
Figure 2 – Illustration of an ASK envelope and various physical parameters . 17
Figure 3 – Complete frame structure for the 868,3 MHz AMWSP protocol . 23
Figure 4 – Encoded subframe . 24
Figure 5 – TX maturity time divided into four 10 ms time ranges . 25
Figure 6 – Conversion of a switch telegram to a normal telegram. 29
Figure 7 – Example of an encapsulation . 31
Figure A.1 – Example of a C code program of the 4 bit long summation hash value . 32
Figure A.2 – Example of a C code program of the 8 bit long summation hash value . 32
Figure A.3 – Efficient C code program for the evaluation of an 8 bit long CRC type
hash value . 33
Table 1 – AMWSP protocol stack structure (OSI) . 14
Table 2 – Transmitter requirements for the 315 MHz AMWSP protocol . 19
Table 3 – Receiver requirements for the 315 MHz AMWSP protocol . 20
Table 4 – Minimum required link budget for the 315 MHz AMWSP protocol . 20
Table 5 – Maximum RX power for the 315 MHz AMWSP protocol . 21
Table 6 – Transmitter requirements for the 868,3 MHz AMWSP protocol. 21
Table 7 – Receiver requirements for the 868,3 MHz AMWSP protocol . 22
Table 8 – Minimum required link budget for the 868,3 MHz AMWSP protocol . 22
Table 9 – Maximum RX power for the 868,3 MHz AMWSP protocol . 23
Table 10 – Frame definition for the 315 MHz AMWSP protocol . 24
Table 11 – Frame definition for the 868,3 MHz AMWSP protocol . 24
Table 12 – Maturity time parameters . 25
Table 13 – Allocation of time slots to the different subtelegrams . 26
Table 14 – Identification of the hash function used in the telegram . 27
Table 15 – Conversion of the telegram type and STATUS fields from a switch telegram
to a telegram . 29
Table 16 – STATUS byte with repeater level bits . 30
Table 17 – Repeating bits in STATUS byte . 30
– 4 – ISO/IEC 14543-3-10:2020 © ISO/IEC 2020
INFORMATION TECHNOLOGY –
HOME ELECTRONIC SYSTEM (HES) ARCHITECTURE –
Part 3-10: Amplitude modulated wireless short-packet (AMWSP)
protocol optimized for energy harvesting –
Architecture and lower layer protocols
FOREWORD
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specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in
the development of International Standards. Their preparation is entrusted to technical committees; any ISO and
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Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting.
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