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Project Organization

Working groups

In WISE-WAI, working groups are dubbed "Cars" (what else?) from the first letters of the name of the funding institution. Until now, two cross-workpackage working groups have formed to carry on some of the main activities within the project:

  • CarLOT (LOcalization and Tracking) deals with the design and evaluation of localization and tracking techniques for wireless sensor networks. The group is currently working toward the creation of a portable platform for context-rich movement tracking, that will eventually be used for graphics-aided building navigation, and contextualized visualization of environmental data.
  • CarMON (Monitoring and Actuation) deals with energy-efficient wireless sensor networks for environmental monitoring and control. The activities of the group are aimed at providing a flexible algorithm for reporting sensed data and a monitoring software suite to be made publicly available.

 

Workpackages

WP0: Project Management

Project_mngBuilding a full scale sensor network requires a holistic approach since the problems to be faced are diverse, but strongly interdependent. The people working on WISE-WAI form a very interdisciplinary team of researchers at the Department of Information Engineering (DEI) of the University of Padova. In addition to the research group of the Principal Investigator, Prof. Michele Zorzi (networking protocol design issues, energy efficiency, cross-layer design, security), the team includes the groups of Prof. Lorenzo Vangelista (transmission systems, radio access, advanced communications technologies), Prof. Andrea Neviani (device and circuit design, miniaturization, energy efficiency), and Prof. Ruggero Frezza (localization and tracking, self-configuration, application). WP0 is intended to coordinate the research activities carried on in the technical WPs, in order to steer and monitor the progress towards, and to guarantee the achievement of, the project goals as stated in the previous section.

Architecture

WP1: Reference Application Scenarios & System Architecture

A primary goal of this workpackage will be the definition of appropriate reference application scenarios, whose specifications and requirements will drive the design of the system components as well as the overall system concept. Additionally, this WP is in charge of defining the system architecture.

WP2: Low-Energy RF Transceivers

RF_transceiverA key ingredient of an energy-efficient wireless sensor network is the availability of low-energy nodes. The energy requirements of a wireless node are set by its core component, i.e., an integrated circuit that supports communication, sensor interfacing, positioning, and other functionalities that depend on the application scenario. Looking more closely at the power budget of the integrated device, it should be noted that reducing the energy requirements of the RF transceiver is the first goal for the design of energy-efficient wireless motes. Furthermore, most of the nodes should be able to operate in an heavily interfered environment while maintaining acceptable performance. Both circumstances impose strict functional and performance specifications to the RF transceiver. The main goal of WP2 will be to address the above challenges and design a CMOS prototype of an RF front-end for a wireless node.

WP3: Adaptive Protocols and AlgorithmsProtocol stack

A suite of protocols, algorithms and adaptation mechanisms is key to any network. Major functionalities that are needed in a multihop wireless network include medium access control (MAC) and routing. Location-dependent applications and geography-based protocols require nodes to be aware of their own location, and in some cases the ability to track the position of moving nodes. Proper handling of the data collected by the sensors, their dissemination and storage in the network, and accessibility by the interested end-user, are key issues for the sensor network to be useable. Finally, a key ingredient to achieve network adaptivity is the ability to reconfigure and reprogram network nodes on the fly. The main goal of this WP is to address the above areas, and for each to propose novel solutions that are energy-efficient, scalable, and flexible, while maintaining a good level of performance. The devised solution will be implemented in the final testbed demonstration.

WP4: Experimental Facilities and Proof-of-concept Demonstration

Testbed_EYESThe main goal of this workpackage is to provide a means to test the concepts developed throughout the project in a realistic environment, and to build large scale experimental research facilities that will be used both during the project and after its end, and will also be made available to external groups to facilitate research and collaboration activities. The outcomes of this WP include three semi-permanent wireless sensor network experimental facilities, and a proof-of-concept demonstration as one of the key final deliverables of the project.

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