Wireless Healthcare Applications Presented: Deng-Sing Yang Adviser: Chih-Kuo Liang Date:

Outline Overview Introduction 2 Conclusion5 Future works 6 References 1 7 Materials & Methods 3 Results 4

Overview  Mobile healthcare (m-health)  “Always connected” healthcare functionality  Concept background  HSDPA/HSUPA  Mobile WiMAX  mObile- Tele-Echography using an ultra- Light rObot (OTELO)  Robot arm control (limitation)  Ultrasound imaging

Introduction  HSDPA (High Speed Downlink Packet Access)  An enhanced 3G ， also dubbed 3.5G  speeds of up to 42 Mbit/s downlink and 84 Mbit/s  HSUPA (High Speed Uplink Packet Access)  A 3G mobile telephony protocol in the HSPA family with up-link speeds up to 5.76 Mbit/s

Introduction  Worldwide Interoperability for Microwave Access (WiMAX )  4G wireless communication technology  Communication technology for wirelessly delivering high-speed internet service to large geographical areas.  Bit rates 40Mbits/s upto 1Gbit/s

HSDPA vs. WiMAX TechnologyHSDPAWiMAX Standard3GRPP Rel-5IEEE e Max. Date Rate14.4Mbps15Mbps Channel Bandwidth 5MHz Coverage0.5-5Km1-50Km

Medical Quality of Services  Issues to be addressed:  Utilization Ultrasound streaming data only  Packet Loss  End to End Delay <5s for video <350ms for m-health application

Materials & Methods

Fig. 1 The OTELO Mobile Robotic System over 3.5G (HSDPA) / WiMAX communication network

Fig. 2 Q-USR algorithm and state model. Shows the timing sequence between the Q-learning controller and the wireless medical video streaming environment in terms of the states, the actions and relevant reward.

Materials & Methods  Implementation software:  LabVIEW  MATLAB  HSDPA network  Vodafone / UK  Data rate: Downlink: 1.8Mbps Uplink: 384 kbps

Materials & Methods  Experimental Ultrasound scanner  13 frames per second (fps)  Buffer size  Twice the average frame size  Ultrasound image transmission  Streams with PSNR = dB  Average frame rate 9.3 fps

 Time delay (expert side)  0.07 sec (16 byte robotic control data)  Ave. time to reach expert: 0.12±0.063 sec  End to End time delay  sec.

Results Fig. 3. Average 3.5G throughput of the received ultrasound streams at PSNR (37.75dB) and frame rate (9.3 fps)

Fig G uplink bandwidth capability Results

 Delay Variation (Jitter)  Average delay jitter Fig. 5. Performance of the packet delay at the expert end Results

Paper Conclusion  Presented provisions for medical quality services using HSDPA and WiMAX  Successful implementation of Q-USR control algorithm  In the future need more comparative study on HSUPA/ m-Wimax

M-Health using WiMAX

QoS Requirements

System layout Fig. 6 A mobile patient can communicate with hospital data center and/ or physician through wireless networks, health grid station (HGS), and personal devices such as PWH.

Future works  Learn Android software & develop applications  Transmit physiological signals to mobile phone

References  R.S.H. Istepanian and N.Y. Philip, ” Provisioning of medical quality of services for HSDPA and mobile WiMAX in healthcare applications”, IEEE International Conference Engineering in Medicine and Biology Society, Sept, Minneapolis, 2009, pp. 717 – 720.  黃憲隆 /Gle, “WiMax 應用服務營運模式介紹 ” 取自 黃憲隆 /Gle, “WiMax 應用服務營運模式介紹 ” 取自

Mobilizing your health today!