Rec. ITU-T Y.4474 (08/2020) Functional architecture for Internet of things services based on visible light communication
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Overview
7 Functional requirements
     7.1 Light control
     7.2 Data transfer
     7.3 Network management
     7.4 Mobility management
     7.5 IoT service support
     7.6 Device management
8 Functional architecture
     8.1 Architectural overview
     8.2 Light control function
     8.3 Data transfer functions
          8.3.1 Data forwarding function
          8.3.2 Data aggregation function
          8.3.3 Synchronous data transfer function
          8.3.4 Asynchronous data transfer function
     8.4 Network management functions
          8.4.1 VLC channel management function
          8.4.2 Uplink channel management function
     8.5 Mobility management functions
          8.5.1 Light proximity management function
     8.6 IoT service support functions
          8.6.1 Service advertisement function
          8.6.2 Service subscription function
     8.7 Device management functions
          8.7.1 Device discovery function
          8.7.2 Device advertisement function
          8.7.3 Device registration function
          8.7.4 Membership management function
     8.8 Reference points
          8.8.1 IS
          8.8.2 VA
          8.8.3 VL
          8.8.4 UT
9 Messages and information flows
     9.1 Device initialization
     9.2 Device monitoring (in the active mode)
     9.3 Device monitoring (in the passive mode)
     9.4 Service data transport
     9.5 Light control
     9.6 Device roaming
Appendix I  Protocol stacks for the three data types
     I.1 Light control data
     I.2 Device control data
          I.2.1 DCD in bidirectional VLC
          I.2.2 DCD in unidirectional VLC
     I.3 IoT service data)
          I.3.1 ISD in the bidirectional VLC
          I.3.2 ISD in the unidirectional VLC
Bibliography