Information Technology - Wireless Beacon-enabled Energy Efficient Mesh network (WiBEEM) for wireless home network services

ISO/IEC 29145-2:2014(E) specifies the MAC of the WiBEEM (Wireless beacon-enabled energy efficient mesh network) protocol for wireless home network services that supports a low power-consuming wireless mesh network as well as device mobility and QoS.

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Status
Published
Publication Date
21-May-2014
Current Stage
6060 - International Standard published
Start Date
21-May-2014
Completion Date
22-May-2014
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ISO/IEC 29145-2:2014 - Information Technology - Wireless Beacon-enabled Energy Efficient Mesh network (WiBEEM) for wireless home network services
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ISO/IEC 29145-2
Edition 1.0 2014-03
INTERNATIONAL
STANDARD
Information technology – Wireless beacon-enabled energy efficient mesh
network (WiBEEM) standard for wireless home network services –
Part 2: MAC layer
ISO/IEC 29145-2:2014-03(en)
---------------------- Page: 1 ----------------------
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ISO/IEC 29145-2
Edition 1.0 2014-03
INTERNATIONAL
STANDARD
Information technology – Wireless beacon-enabled energy efficient mesh
network (WiBEEM) standard for wireless home network services –
Part 2: MAC layer
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
ICS 35.200 ISBN 978-2-8322-1449-7

Warning! Make sure that you obtained this publication from an authorized distributor.

---------------------- Page: 3 ----------------------
– 2 – ISO/IEC 29145-2 © ISO/IEC 2014
CONTENTS

FOREWORD ........................................................................................................................... 5

INTRODUCTION ..................................................................................................................... 6

1 Scope .............................................................................................................................. 7

2 Normative reference ........................................................................................................ 7

3 Terms, definitions and abbreviations ............................................................................... 7

3.1 Terms and definitions ......................................................................................... 7

3.2 Abbreviations ..................................................................................................... 8

3.3 Conventions ....................................................................................................... 9

4 Conformance ................................................................................................................. 10

5 Overview of the WiBEEM technology ............................................................................. 10

6 MAC layer specifications ............................................................................................... 10

6.1 General ............................................................................................................ 10

6.2 MAC layer service specifications ...................................................................... 10

6.2.1 Service overview ............................................................................ 10

6.2.2 MAC data service ........................................................................... 11

6.2.3 MAC management service .............................................................. 17

6.2.4 Association primitives ..................................................................... 17

6.2.5 Disassociation primitives ................................................................ 22

6.2.6 Beacon notification primitive ........................................................... 24

6.2.7 Primitives for reading PIB attributes ................................................ 27

6.2.8 RAP management primitives ........................................................... 28

6.2.9 Primitives for orphan notification ..................................................... 31

6.2.10 Primitives for resetting the MAC layer ............................................. 34

6.2.11 Primitives for specifying the receiver enable time ........................... 35

6.2.12 Primitives for channel scanning ...................................................... 37

6.2.13 Communication status primitive ...................................................... 39

6.2.14 Primitives for writing MAC PIB attributes ......................................... 41

6.2.15 Primitives for updating the superframe configuration ....................... 42

6.2.16 Primitives for synchronising with a WRC ......................................... 45

6.2.17 Primitives for requesting data from a WRC ..................................... 47

6.3 MAC frame formats .......................................................................................... 49

6.3.1 General .......................................................................................... 49

6.3.2 General MAC frame format ............................................................. 50

6.3.3 Beacon frame format ...................................................................... 52

6.3.4 MAC command frame format .......................................................... 52

Bibliography .......................................................................................................................... 62

Figure 1 – MAC layer structure ............................................................................................. 11

Figure 2 – Message sequence chart describing the MAC data service .................................. 16

Figure 3 – Message sequence chart for association .............................................................. 22

Figure 4 – Message sequence chart for disassociation ......................................................... 24

Figure 5 – Message sequence chart for RAP allocation initiated by a device ......................... 31

Figure 6 – Message sequence chart for RAP deallocation initiated by a device and the

WMC .................................................................................................................................... 31

---------------------- Page: 4 ----------------------
ISO/IEC 29145-2 © ISO/IEC 2014 – 3 –

Figure 7 – Beacon lost (orphan notification) message sequence chart .................................. 33

Figure 8 – Message sequence chart for updating the superframe configuration ..................... 45

Figure 9 – Message sequence chart for synchronising to a WRC in a beacon-enabled

WPAN ................................................................................................................................... 47

Figure 10 – Message sequence chart for requesting data from the WRC............................... 49

Figure 11 – General MAC frame format ................................................................................. 50

Figure 12 – Beacon frame format .......................................................................................... 52

Table 1 – MLDE-DATA.request parameters ............................................................................ 12

Table 2 – MLDE-DATA.confirm parameters ........................................................................... 13

Table 3 – MLDE-DATA.indication parameters ....................................................................... 14

Table 4 – MLDE-ERASE.request parameters ........................................................................ 15

Table 5 – MLDE-ERASE.confirm parameters ........................................................................ 16

Table 6 – Summary of the primitives accessed through the MLME-SAP ................................ 17

Table 7 – MLME-ASSOCIATE.request parameters ................................................................ 18

Table 8 – MLME-ASSOCIATE.indication parameters ............................................................ 19

Table 9 – MLME-ASSOCIATE.response parameters ............................................................. 20

Table 10 – MLME-ASSOCIATE.confirm parameters .............................................................. 21

Table 11 – MLME-DISASSOCIATE.request parameters ........................................................ 22

Table 12 – MLME-DISASSOCIATE.indication parameters ..................................................... 23

Table 13 – MLME-DISASSOCIATE.confirm parameters ........................................................ 24

Table 14 – MLME-BEACON-NOTIFY.indication parameters .................................................. 25

Table 15 – Elements of mesh descriptor ............................................................................... 26

Table 16 – MLME-READ-MIB.request parameters ................................................................. 27

Table 17 – MLME-READ-MIB.confirm parameters ................................................................. 28

Table 18 – MLME- RAP-MANAGEMENT.request parameters ................................................ 29

Table 19 – MLME-RAP-MANAGEMENT.confirm parameters ................................................. 29

Table 20 – MLME-RAP-MANAGEMENT.indication parameters .............................................. 30

Table 21 – MLME-BEACON-LOST.indication parameters ...................................................... 32

Table 22 – MLME-BEACON-LOST.indication parameters ...................................................... 33

Table 23 – MLME-RESET.request parameters ...................................................................... 34

Table 24 – MLME-RESET.confirm parameters ...................................................................... 35

Table 25 – MLME-RX-ON.request parameters ...................................................................... 35

Table 26 – MLME-RX-ON.confirm parameters ...................................................................... 36

Table 27 – MLME-SCAN.request parameters ........................................................................ 37

Table 28 – MLME-SCAN.confirm parameters ........................................................................ 39

Table 29 – MLME-COMM-RESULT.indication parameters ..................................................... 40

Table 30 – MLME-WRITE-MIB.request parameters ............................................................... 41

Table 31 – MLME-WRITE-MIB.confirm parameters ............................................................... 42

Table 32 – MLME-START.request parameters ...................................................................... 43

Table 33 – MLME-START.confirm parameters ...................................................................... 44

Table 34 – MLME-SYNC.request parameters ........................................................................ 45

Table 35 – MLME-SYNC-LOSS.indication parameters .......................................................... 46

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– 4 – ISO/IEC 29145-2 © ISO/IEC 2014

Table 36 – MLME-INDIRECT-COMM.request parameters ..................................................... 48

Table 37 – MLME-INDIRECT-COMM.confirm parameters ..................................................... 48

Table 38 – MAC command frame .......................................................................................... 53

Table 39 – Association request command ............................................................................. 53

Table 41 – Association response command .......................................................................... 54

Table 42 – Association status field ........................................................................................ 55

Table 43 – Disassociation notification command format ........................................................ 55

Table 44 – Disassociation reason code ................................................................................. 56

Table 45 – Data request command format ............................................................................. 57

Table 46 – Mesh ID conflict notification command format ...................................................... 57

Table 47 – Orphan notification command format ................................................................... 58

Table 48 – Beacon request command format ........................................................................ 58

Table 49 – Co-ordinator realignment command format .......................................................... 59

Table 50 – CFP request command format ............................................................................. 60

Table 51 – CFP characteristics field format ........................................................................... 60

Table 52 – Rate reconfiguration request format .................................................................... 60

Table 53 – Data rate ............................................................................................................. 61

Table 54 – Rate reconfiguration request command format .................................................... 61

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ISO/IEC 29145-2 © ISO/IEC 2014 – 5 –
INFORMATION TECHNOLOGY –
WIRELESS BEACON-ENABLED ENERGY EFFICIENT MESH NETWORK
(WIBEEM) STANDARD FOR WIRELESS HOME NETWORK SERVICES –
Part 2: MAC layer
FOREWORD

1) ISO (International Organization for Standardization) and IEC (International Electrotechnical Commission) form the

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

IEC member body interested in the subject dealt with may participate in this preparatory work. International

governmental and non-governmental organizations liaising with ISO and IEC also participate in this preparation.

2) In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.

Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting.

Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote.

3) The formal decisions or agreements of IEC and ISO on technical matters express, as nearly as possible, an

international consensus of opinion on the relevant subjects since each technical committee has representation

from all interested IEC and ISO member bodies.

4) IEC, ISO and ISO/IEC publications have the form of recommendations for international use and are accepted

by IEC and ISO member bodies in that sense. While all reasonable efforts are made to ensure that the

technical content of IEC, ISO and ISO/IEC publications is accurate, IEC or ISO cannot be held responsible for

the way in which they are used or for any misinterpretation by any end user.

5) In order to promote international uniformity, IEC and ISO member bodies undertake to apply IEC, ISO and

ISO/IEC publications transparently to the maximum extent possible in their national and regional publications.

Any divergence between any ISO/IEC publication and the corresponding national or regional publication

should be clearly indicated in the latter.

6) ISO and IEC provide no marking procedure to indicate their approval and cannot be rendered responsible for

any equipment declared to be in conformity with an ISO/IEC publication.

7) All users should ensure that they have the latest edition of this publication.

8) No liability shall attach to IEC or ISO or its directors, employees, servants or agents including individual experts

and members of their technical committees and IEC or ISO member bodies for any personal injury, property

damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees)

and expenses arising out of the publication of, use of, or reliance upon, this ISO/IEC publication or any other IEC,

ISO or ISO/IEC publications.

9) Attention is drawn to the normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

10) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of

patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.

International Standard ISO/IEC 29145-2 was prepared by subcommittee 25: Interconnection

of information technology equipment, of ISO/IEC joint technical committee 1: Information

technology.

The list of all currently available parts of the ISO/IEC 29145 series, under the general title

Information technology – Wireless beacon-enabled energy efficient mesh network (WiBEEM)

for wireless home network services, can be found on the IEC web site.

This International Standard has been approved by vote of the member bodies, and the voting

results may be obtained from the address given on the second title page.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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– 6 – ISO/IEC 29145-2 © ISO/IEC 2014
INTRODUCTION

This International Standard specifies the WiBEEM (Wireless Beacon-enabled Energy Efficient

Mesh network) protocol, which provides low-power-consuming mesh network functions by

enabling the “beacon mode operation”. WiBEEM is based on IEEE 802.15.4 standard with

additional upper layer protocols and a specific usage of the MAC layer protocol. Through the

novel use of beacons, WiBEEM technology achieves longer battery life, larger network

support, quicker response, enhanced mobility and dynamic reconfiguration of the network

topology compared with other protocols such as ZigBee.

In the beacon mode, Beacon information propagates over the entire mesh network nodes

during the BOP (Beacon-Only Period) of the superframe structure without any beacon

conflicts by utilising a smart beacon scheduling technique in the BOP. It also provides

location information about moving devices without spending extra time running a positioning

and locating algorithm by using RSSI (Received Signal Strength Indication). These features

allow the WiBEEM protocol to be widely used for wireless home network services in the

ubiquitous network era.

One of the key features of the WiBEEM protocol is that it has a special time interval called

BOP (Beacon-Only Period) in the superframe structure that allows more than two beacons to

be transmitted. This unique time period is located at the beginning of the Superframe.

Because the BOP does not use the CSMA/CA mechanism, the network will not work properly

in the beacon mode unless an appropriate algorithm is applied. This algorithm needs to

manage and control multiple beacons in a single superframe. The solution is the Beacon

Scheduling method applied in the BOP to avoid collisions among beacons, providing

synchronisation among all the nodes of the entire mesh network.

For the network layer, the NAA (Next Address Available) mechanism, which is a short address

allocation algorithm, has been adopted to provide an efficient way of utilising the complete 16-

bit address space. The NAA algorithm does not limit the maximum number of children nodes

that a node of a mesh network can have. Since the number of children nodes is unlimited, the

NAA mechanism allows the WiBEEM protocol to be used not only for home network services,

but also for community services. WiBEEM can be used where high network expandability

through efficient use of short address spaces, device mobility and end-to-end QoS are

required.

This part of the standard ISO/IEC 29145 specifies the Medium Access Control (MAC) layer of

the WiBEEM protocol.
---------------------- Page: 8 ----------------------
ISO/IEC 29145-2 © ISO/IEC 2014 – 7 –
INFORMATION TECHNOLOGY –
WIRELESS BEACON-ENABLED ENERGY EFFICIENT MESH NETWORK
(WIBEEM) STANDARD FOR WIRELESS HOME NETWORK SERVICES –
Part 2: MAC layer
1 Scope

This part of ISO/IEC 29145 specifies the MAC of the WiBEEM (Wireless Beacon-enabled

Energy Efficient Mesh network) protocol for wireless home network services that supports a

low power-consuming wireless mesh network as well as device mobility and QoS.
2 Normative reference

The following documents, in whole or in part, are normatively referenced in this document and

are indispensable for its application. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any
amendments) applies.

ISO/IEC 29145-1:2014, Information technology – Wireless beacon-enabled energy efficient

mesh network (WiBEEM) for wireless home network services – Part 1: PHY layer

IEEE 802.15.4:2003, IEEE Standard for Information technology – Telecommunications and

information exchange between systems – Local and metropolitan area networks – Specific

requirements – Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY)

Specifications for Low-Rate Wireless Personal Area Networks (LR-WPANs)
3 Terms, definitions and abbreviations
3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/IEC 29145-1, as

well as the following apply.
3.1.1
association
service used to establish the membership of a device in a wireless mesh network
3.1.2
co-ordinator

wireless device configured to provide synchronisation services through the transmission of

beacons

Note 1 to entry: If a co-ordinator is the principal controller of a wireless mesh network, it is called the WMC

(WiBEEM Mesh Co-ordinator).
3.1.3
device

entity containing an implementation of the WiBEEM applications, NWK, MAC and physical

interface to the wireless medium
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– 8 – ISO/IEC 29145-2 © ISO/IEC 2014
3.1.4
disassociation
service that removes an existing association
3.1.5
frame

data format of aggregated bits from a medium access control (MAC) layer entity transmitted in

a specified sequence
3.1.6
logical channel

abstract representation of a communications link independent of the physical implementation

Note 1 to entry: Defines "logical channel" as it is used this International Standard.

3.1.7
mobile device
device that uses network communications while in motion
3.1.8
orphaned device
device that has lost its parent node with its associated mesh network
3.1.9
packet

format of aggregated bits transmitted in a specified sequence across the physical medium

3.1.10
payload data
contents of a data message that is being transmitted
3.1.11
personal operating space

space of typically about 10 m around a person or an object, no matter whether this person or

object is stationary or in motion
3.1.12
protocol data unit
unit of data exchanged between two peer entities
3.1.13
service data unit
information delivered as a unit through a service access point (SAP)
3.2 Abbreviations

The following acronyms and abbreviations are used in this standard. They are commonly used

in other industry publications.
BI Beacon Interval
BN Beacon Number
BO Beacon Order
BOP Beacon Only Period
BSN Beacon Sequence Number
BTTSL Beacon Transmit Time Slot Length
CAP Contention Access Period
---------------------- Page: 10 ----------------------
ISO/IEC 29145-2 © ISO/IEC 2014 – 9 –
CFP Contention-Free Period
CRC Cyclic Redundancy Check
CSMA-CA Carrier Sense Multiple Access With Collision Avoidance
DSN Data Sequence Number
ED Energy Detection
ID Identifier
IFS Interframe Space or Spacing
LIFS Long Interframe Spacing
LQ Link Quality
LQI Link Quality Indication
LR-WPAN Low-Rate Wireless Personal Area Network
MAC Medium Access Control
MFR MAC Footer
MHR MAC Header
MIB MAC Information Base
MLME MAC Layer Management Entity
MLME-SAP MAC Layer Management Entity-Service Access Point
MPDU MAC Protocol Data Unit
MSDU MAC Service Data Unit
NAA Next Address Available
PDU Protocol Data Unit
PHY Physical Layer
PIB PAN Information Base
PLME Physical Layer Management Entity
PLME-SAP Physical Layer Management Entity-Service Access Point
POS Personal Operating Space
PQP Prioritised QoS Period
QoS Quality of Service
RAP Reservation-based Access Period
RSSI Received Signal Strength Indication
RX Receive or Receiver
SAP Service Access Point
SD Superframe Duration
SDL Specification and Description Language
SDU Service Data Unit
SO Superframe Order
WED WiBEEM End Device
WiBEEM Wireless Beacon-enabled Energy Efficient Mesh network
WMC WiBEEM Mesh Co-ordinator
WRC WiBEEM Routable Co-ordinator
3.3 Conventions

All the italicized words used in this standard represent relevant constants defined and stored

in the MIB (Management Information Base) of each layer.
---------------------- Page: 11 ----------------------
– 10 – ISO/IEC 29145-2 © ISO/IEC 2014
4 Conformance

A wireless device that claims conformance to this standard shall implement all the primitives

that are specified in 6.2 and the MAC frame formats in 6.3. Each WiBEEM device shall be

able to act as a WMC, a WRC and a WED. When operating in the role of a WMC it shall act

as specified in 5.3.2 of ISO/IEC 29145-1:2014, when operating in the role of a WRC, it shall

act as specified in 5.3.3 of ISO/IEC 29145-1:2014, and when operating in the role of a WED, it

shall act as specified in 5.3.3 of ISO/IEC 29145-1:2014.
5 Overview of the WiBEEM technology

Clause 5 of ISO/IEC 29145-1:2014 presents an overview of the WiBEEM technology and the

functionalities of the WiBEEM devices.
6 MAC layer specifications
6.1 General

This clause specifies the MAC layer of this standard. The MAC layer handles all access to the

physical radio channel and is responsible for the following tasks:
– generating network beacons if the device is a co-ordinator;
– synchronising to network beacons;
– supporting the mesh network association and disassociation;
– supporting device security;
– employing the CSMA/CA mechanism for channel access;
– handling and maintaining the RAP mechanism;
– providing a reliable link between two peer MAC entities;
– providing multi-rate operation between PLME and MLME.

Constants and attributes that are specified and maintained by the MAC layer are written in the

text of this clause in italics. Constants have a general prefix of “a”. Attributes have a general

prefix of “mac”.
6.2 MAC layer service specifications
6.2.1 Service overview

The MAC layer services provide an interface between the MAC layer and the PHY layer. The

MAC layer conceptually includes a management entity called MLME. This entity shall provide

the service interfaces through which layer management functions may be invoked. MLME is

also responsible for maintaining a database of managed objects pertaining to the MAC layer.

This database is referred to as the MIB representing the MAC layer information base. The

MAC layer provides two services, accessed through two SAPs:
– MAC data service, accessed through the MAC layer data SAP (MLDE-SAP), and
– MAC management service, accessed through the MLME-SAP.

These two services provide the interface between the MAC and the PHY layers, via the PLDE-

SAP and PLME-SAP interfaces shown in Figure 1. In addition to these external interfaces, an

implicit interface also exists b
...

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