Difference between revisions of "Medical WSNs"
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Revision as of 20:43, 5 February 2008
Contents
Challenges
- reliability
- privacy and security
- power management - not all devices are battery powered
- diversity - both a challenge and an opportunity
- fast deployment - disaster recovery scenarios
Medical devices
- ECG
- SpO2
Groups
- University of Virginia: Alarm-NET
- Intel Research Seattle
- University of Washington
- University of Rochester
- Harvard University
- John Hopkins: AID-N
Systems
SMART (Scalable Medeical Alert Response Technology)
- Domain: disaster recovery, triage
- Network architecture: 802.11b
- Two types of devices: patient monitoring and caregiver
- Devices: PDAs
- Sensors:
- medical: SpO2, ECG from MIT
- Functions:
- vital sign monitoring
- vital sign analysis & alarms
- localization
Notes:
Good background section.
References:
- Curtis DW, Pino EJ, Bailey JM, Shih EI, Waterman J, Vinterbo SA, Stair TO, Guttag JV, Greenes RA, Ohno-Machado L, SMART An Integrated Wireless System for Monitoring Unattended Patients. J Am Med Inform Assoc 2008 January-February; 15(1):44-53.
AID-N (Advanced Health and Disaster Network)
- Domain: disaster recovery, triage
- Network architecture:
- 802.11 -- one hop
- 802.15.4 -- seems one hop
- Devices: motes, PDAs, PCs
- Sensors:
- medical
- non-medical: GPS
- Functions:
- monitoring and alarm
- vital sign analysis & alarms
References:
- Tia Gao; D. Greenspan; M. Welsh; R.R. Juang; A. Alm, "Vital Signs Monitoring and Patient Tracking Over a Wireless Network," Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the , vol., no., pp.102-105, 2005
Alarm-NET
- Domain: assisted living, circadian activity rhythms (CAR)
- Network architecture:
- Spans body networks, sensor networks and IP networks
- Query service to collect data
- Emphasis on dynamic security
- Use CAR information for security and power management
- Devices: heterogeneous - motes, PDAs and PCs
- Sensors:
- medical: pulse, blood oxygenaton
- non-medical: temperature, light, infrared motion
References:
- A. Wood, G. Virone, T. Doan, Q. Cao, L. Selavo, Y. Wu, L. Fang, Z. He, S. Lin, J. Stankovic, “ALARM-NET: Wireless Sensor Networks for Assisted-Living and Residential Monitoring,” Technical Report
