1. The Implementation of Indoor Location System to Control ZigBee Home Network Date:2011/11/02 Speaker : Da-Wei Yang 1 Woo-Chool Park, Myung-Hyun Yoon SICE-ICASE International Joint Conference 2006

2. Outline Introduction Zigbee Network Network Layer Data Entity (NLDE) Network layer management entity (NLME) Indoor Positioning System IPS-G (Indoor Positioning System - Gateway) IPS-I/M(Indoor Positioning System - Infrastructure/Mobile) Conclusion 2

3. Introduction we implement the indoor location system which uses ZigBee based home control system. ZigBee is a low data rate, low power consumption, low cost; wireless networking protocol targeted towards automation and remote control applications. we implement a home control with indoor location system which uses ultrasound, RF signal(TOA: Time of Arrival). 3

4. Zigbee Network The ZigBee network layer is required to provide functionality to ensure correct operation of the IEEE 802.15.4-2003 MAC sub-layer and to provide a suitable service interface to the application layer. To interface with the application layer, the network layer conceptually includes two service entities that provide the necessary functionality. These service entities are the data service and the management service. NWK layer data entity (NLDE) NWK layer management entity (NLME) 4

5. Network Layer Data Entity (NLDE) The NLDE shall provide a data service to allow an application to transport application protocol data units (APDU) between two or more devices. The devices themselves must be located on the same network. The NLDE will provide the following services: 1.Generation of the Network level PDU (NPDU). 2.Topology specific routing. 5

6. Network Layer Data Entity (NLDE) 1.Generation of the Network level PDU (NPDU). The NLDE shall be capable of generating an NPDU from an application support sub-layer PDU through the addition of an appropriate protocol header. 2.Topology specific routing. The NLDE shall be able to transmit an NPDU to an appropriate device that is either the final destination of the communication or the next step towards the final destination in the communication chain. 6

7. Network layer management entity (NLME) The NLME shall provide a management service to allow an application to interact with the stack. The NLME shall provide the following services: 1.Configuring a new device. 2.Starting a network. 3.Joining and leaving a network. 4.Addressing. 5.Neighbor discovery. 6.Route discovery. 7.Reception control. 7

8. Indoor Positioning System Indoor Location Algorithm 1.IPS-I happens RF, Ultrasound signals every clock intervals. 2.IPS-I calculates between IPS-M distance and acknowledges IPS-I/G 3.IPS-I/G transmits to Host PC by Ethernet network. 8

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10. IPS-G (Indoor Positioning System - Gateway) IPS-G (Indoor Positioning System - Gateway) is a system that is performing the role of linking with IPS-M (Indoor Positioning System - Mobile) to create a packet of data collected from IPS-M using Ethernet and transmitting it to the server group. 10

11. IPS-I/M(Indoor Positioning System - Infrastructure/Mobile) IPS-I/M is a system which is performing the role of recognizing positions using the method of measuring distance through time difference of the RF signal and the ultrasound signal. 11

12. Conclusion Indoorlocation technology in the smart home is based the ubiquitous home service. It is a theme vigorously studied and developed all over the world. During the second year, the technology of positioning system using ultrasound sensor and RF was developed. Results of the second year project concerned positioning hardware, and development for IPS-M/I,IPS-G, and various sensor interface boards were completed. We have implement ZigBee based home control system with indoor location 12