NDLI: Residual energy aware mobile data gathering in wireless sensor networks

Content Provider	Springer Nature Link
Author	Rao, Xuan Huang, Hongyu Tang, Jiqiang Zhao, Huan
Copyright Year	2015
Abstract	The intrinsic characteristic of wireless sensor networks is the power limitation of sensor nodes. The most difficult challenge is how to save energy of sensor nodes so that the lifetime of a sensor network will be prolonged. A mobile data collector (MDC) is introduced to achieve this goal. We suppose that all sensor nodes are kept static once deployed, and a single MDC traverses the network to reduce the communication of relaying data among sensors. In general, we need to consider two factors when designing a traveling path of a MDC, i.e., the data overflow on a sensor node and the timeliness of each data. In this paper, we aim to prolong lifetime of a sensor network by designing heuristic traveling paths of the MDC under these two constraints. It is obviously that a fixed MDC path leads to a quicker energy consumption of the nodes near that path. So we propose an iterative scheme which determines the traveling path of the MDC before each round of the data gathering. For each data gathering round, our scheme consists of four steps. First we iteratively partition the network into clusters by spectral clustering, and then select a cluster head as the polling point which is a special position for collecting data depended on residual energy. Following that, we construct a balanced data relay tree in each cluster. Last, we design a shortest path for the MDC. Since the paths of MDC are different in each round, the lifetime of the sensor network can be prolonged. Simulations reveal that our method is better than the existing methods and prolong the lifetime of wireless sensor network.
Starting Page	31
Ending Page	41
Page Count	11
File Format	PDF
ISSN	10184864
Journal	Telecommunication Systems
Volume Number	62
Issue Number	1
e-ISSN	15729451
Language	English
Publisher	Springer US
Publisher Date	2015-03-21
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Residual energy awareness Spectral clustering Data relay tree Path scheduling IT in Business Computer Communication Networks Artificial Intelligence (incl. Robotics) Probability Theory and Stochastic Processes
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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