Our friends at Telecom Italia / Pirelli in Berkeley are hiring interns for Summer 2007. The lab was started a year or so ago and has attracted some great individuals. More information is below:

Summer Internships at WSN Lab sponsored by Pirelli and Telecom Italia

1. Modeling and optimization of the Zigbee protocol Stack

   The project will require to model the ZigBee Protocol Stack in a Network Simulator environment. The simulator will be used to analyze:
   

   
   
   • the portability of a node in the network (slow mobility);
     
   • the impact of multiple applications on the performance of the network (information services, home automation applications, sensing and monitoring applications);
     
   • the throughput performances in a ZigBee network.
     
   
   As an output of the activity, it is expected a contribution to the ZigBee standard and in particular to the new Telecom Applications and Wireless Sensor Applications profiles.

   Desired knowledge and skills:
   - experience with modeling in a network simulator environment
   - ZigBee and IEEE 802.15.4 protocol stacks
   - C/C++ expertise
   - Implementation skills (script languages)

2. Optimization of Wireless Sensor Network Protocols

   The goal of the project is to define a network optimization engine for Wireless Sensor Networks (WSNs). This engine should take into account the application requirements and identify the settings of the parameters of the protocol stack that optimize the network performances and the use of network resources. The project will require to define a constrained optimization problem for the parameters of the Zigbee protocol stack and develop techniques to solve it. As a first step, the optimization will focus on network layer parameters. Later it will be extended to parameters belonging to multiple layers of the stack.

   Desired knowledge and skills:
   - Background in optimization techniques and random processes
   - Programming experience in a network simulator environment
   - Programming experience in ns-2 and knowledge of Zigbee and IEEE 802.15.4 is preferred but not required.

3. Feature Extraction and Classification for Activity Monitoring using Body Sensor Networks

   The goal of the project is to develop algorithms to determine the recurrent patterns in the sensor data for different actions including transition movements such as sit-to-stand, stand-to-lie for alert systems, and movements such as walking and running for localization. The data are collected by three-axis accelerometers and gyros placed in several parts of the person’s body. Recent work focuses on the analysis of the data in a single, mostly waist-mounted, triaxial accelerometer unit. This project will add more dimensions to the problem through the placement of sensors in multiple modalities and locations. The internship will require developing feature extraction and classification techniques, and identify patterns of activities of a person.

   Background in data processing and statistics, and implementation skills are required.
   

If interested in applying for any of the above internships, please send your resume to:
- Marco Sgroi: marco.sgroi@wsnlabberkeley.com
- Sinem Ergen: sinem.ergen@wsnlabberkeley.com

Wireless Sensor Networks Lab sponsored by Pirelli and Telecom Italia
1995 University Ave. Suite 225
Berkeley, CA 94704
Tel: (510) 666-0174 ext. 101

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