Joint Project: PKU-TKK


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Prof. Zhao Yuping's presentation at UBI-SERV Start-up Workshop May 19th 2009 at TKK.

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Joint Project: PKU-TKK

  1. 1. EECS, Peking University Wireless ECG Healthcare Monitoring System Bingli Jiao & Yuping Zhao Wireless & Satellite Communication Lab EECS, Peking University, China 19.05.2009 1
  2. 2. EECS, Peking University Outline Background System descriptions Hardware implementations Performances Further works 19.05.2009 2
  3. 3. EECS, Peking University Background The population of orders has increased Difficult to accommodate all senior citizens in hospitals Nursing homes is preferable healthcare mode for privacy and lower costs Using devices to act as nurses 19.05.2009 3
  4. 4. EECS, Peking University Background Technical possibility development of wireless communication technologies impact on our life worldwide Wireless Healthcare Monitoring System is possible Two types wireless networks can be used mobile network wireless local area network (WLAN). 19.05.2009 4
  5. 5. EECS, Peking University System descriptions Wireless Healthcare Monitoring System— ECG(Electrocardiogram) PKU has developed wireless ECG devices – for the heart remote monitoring Internet and software/hardware enable the network for real-time transmissions Tele-medical can be performed at low cost User centric service with ubiquitous computing Technology of wireless transmission for quality of medical services Classifying and grouping the medical information into the services 19.05.2009 5
  6. 6. EECS, Peking University wireless monitoring system -Developed by Peking University (PKU) 19.05.2009 6
  7. 7. EECS, Peking University Wireless transmission systems Wireless LAN (WiFi) Wireless Personal area network (WPAN) -Zigbee 19.05.2009 7
  8. 8. EECS, Peking University Zigbee description 19.05.2009 8
  9. 9. EECS, Peking University characteristics of Zigbee 2.4GHz and 868/915 MHz dual PHY modes Low power consumption, with battery life ranging from months to years Maximum data rates are: 250 kbps (2.4 GHz), 40 kbps (915 MHz), and 20 kbps (868 MHz) High throughput and low latency for low duty-cycle applications (<0.1%) Addressing space of up to 64 bit IEEE address devices, 65,535 networks 50m typical range Different topologies: star, peer-to-peer, mesh 19.05.2009 9
  10. 10. EECS, Peking University Zigbee Topology Star Topology Peer-to-Peer Topology PAN Coordinator PAN Coordinator Full Function Device Reduced Function Device 19.05.2009 Communication Flow 10
  11. 11. EECS, Peking University data stream in the ECG system ECG Monitor Generte warnings Configure Network Describe syptoms Motion Sensors Personal Server Internet Medical Server Location (GPS) SpO2 Temperature & Humidity 19.05.2009 11
  12. 12. EECS, Peking University network diagram of the ECG system SMS Alarm Home terminal Normal monitor home Home terminal Server home Data base Hospital terminal Hospital terminal Access point Doctor terminal hospital Hospital terminal Data collecting Data Processing 19.05.2009 12 Nurse terminal Monitering
  13. 13. EECS, Peking University Three generation patient terminal First generation Using WiFi for wireless data transmission 19.05.2009 13
  14. 14. EECS, Peking University Three generation patient terminal Second generation 19.05.2009 Using WiFi for wireless data transmission 14
  15. 15. EECS, Peking University Three generation patient terminal Third generation 19.05.2009 Using WPAN 802.15.4 for wireless data transmission 15
  16. 16. EECS, Peking University System Performances Working in the 2.4GHz Band 200Hz sampling rate for each data packet of 17Bytes The raw ECG data rate for a single user is about 3.4Kbyte/s 19.05.2009 16
  17. 17. EECS, Peking University System Performances Both the sensor terminal and the hospital terminal are developed by PKU The wireless transmission is connected: sensor – Internet - hospital The system testing is finished with very good performance The software and hardwire are ready for the real product 19.05.2009 17
  18. 18. EECS, Peking University Interface of patient terminal 19.05.2009 18
  19. 19. EECS, Peking University Interface of hospital terminal 19.05.2009 19
  20. 20. EECS, Peking University Future Works The experimental results and analysis verified that the system has a friendly user interface and good stability, with great practical potential. The diversification of the system terminal also makes the system applicable to a variety of scenes. 19.05.2009 20
  21. 21. EECS, Peking University Future Works Technical works: Continue to improve the system in terminal miniaturization Further reduce the cost and size Increase the mobility and make more convenience terminal device. Increase system reliability Application related works Find a suitable situation for the applications Make real testing during the project Find some industry partners for product devolopment 19.05.2009 21
  22. 22. EECS, Peking University Suggestions are welcome Technical suggestions To increase the system performances Medical suggestions Suggestion from terminal users Suggestions from hospitals: doctors and nurses Application suggestions Practical cases for utilizations Application and testing during this joint project Commercial suggestion The way of become real products 19.05.2009 22
  23. 23. EECS, Peking University 19.05.2009 23