Improving the Orientation Estimation in a Packet Loss-affected Wireless Sensor Network for Tracking Human Motion |
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| Luca De Vito, Gianluca Mazzilli, Maria Riccio, Carmine Sementa |
- Abstract:
- This paper deals with a method to limit the consequences of packet loss on the accuracy of a real-time human motion tracking system based on Wireless Sensor Network (WSN). Since the need for a prolonged battery life is a prominent commitment in a WSN design, the power budget is so low that communication turns out to be not reliable enough for real-time requirements. Whereas packets getting lost may not represent a big deal in most of WSN applications, they are very likely to cause troubles in a system supposed to sample, stream and compute under very tight constraints. For this reason, countermeasures have to be taken in order to tolerate packet loss and limit its impact on the body segments’ orientation estimation. The experimented method interpolates between quaternions produced by complementary algorithms merging smoothness of motion under ordinary circumstances with the capacity of fast recovery from loss. The results look promising and pave the way to further research for loss tolerance solution in low-power wireless systems.
- Keywords:
- WSN, Motion tracking, Packet loss, Spherical Linear Interpolation
- Download:
- IMEKO-TC4-2016-35.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC4
- Event name:
- TC4 Symposium 2016
- Title:
21st IMEKO TC4 Symposium on Measurements of Electrical Quantities (together with 19th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC)
"Understanding the World through Electrical and Electronic Measurement"- Place:
- Budapest, HUNGARY
- Time:
- 07 September 2016 - 09 September 2016