Sensor Relocation for Emergent Data Acquisition in Sparse Mobile Sensor Networks | Zendy

Wei Wu | Zendy; Xiaohui Li | Zendy; Shili Xiang | Zendy; Hock Beng Lim | Zendy; KianLee Tan | Zendy

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Sensor Relocation for Emergent Data Acquisition in Sparse Mobile Sensor Networks

Author(s) -

Wei Wu,

Xiaohui Li,

Shili Xiang,

Hock Beng Lim,

KianLee Tan

Publication year - 2010

Publication title -

mobile information systems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.346

H-Index - 34

eISSN - 1875-905X

pISSN - 1574-017X

DOI - 10.1155/2010/651589

Subject(s) - computer science , relocation , bridge (graph theory) , task (project management) , base station , wireless sensor network , scheme (mathematics) , real time computing , data acquisition , exploit , computer network , computer security , engineering , medicine , mathematical analysis , mathematics , systems engineering , programming language , operating system

In this paper, we study the problem of sensor relocation for emergent data acquisition (initiated by a base station) in sparse mobile sensor networks. We propose a distributed scheme called BRIDGE that relocates mobile sensors to fulfill an emergent data acquisition task with the objective to minimize the task completion time. BRIDGE gradually finds a sensor that is close to the task location and relocates that sensor to the task location, and at the same time relocates some other sensors to connect that sensor to the base station. BRIDGE exploits the encountered sensors during relocation, and handles the challenges caused by intermittent connections. Our extensive performance study shows the effectiveness of our proposed scheme.

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