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MULTI TIERED SENSOR QUERY MANAGEMENT WITH LOAD DISTRIBUTION SCHEME

J. Jahina

PG Scholar, Department of CSE, Shree Venkateshwara Hi-TechEngg College, Gobi, Tamilnadu, India

Dr. T. Senthil Prakash

Professor & HOD, Department of CSE, Shree Venkateshwara Hi-TechEngg College, Gobi, Tamilnadu, India,

C. Janani

PG Scholar, Department of CSE, Shree Venkateshwara Hi-TechEngg College, Gobi, Tamilnadu, India

73-80

Vol: 6, Issue: 1, 2016

Receiving Date: 2015-12-05 Acceptance Date:

2016-01-02

Publication Date:

2016-02-01

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Abstract

Sensor node data collection process is carried out to distribute the sensed data to the required point. Network lifetime and data collection latency factors are considered in the data collection process in WSN. Data collection model consumes energy uniformly across the sensing field to achieve long network lifetime. Data collection schemes are divided into three categories. They are enhanced relay routing, cluster based model and mobile collector model. In enhanced relay routing data are relayed among sensors. In cluster model cluster heads are allowed to take the responsibility for forwarding data to the data sink. Mobile collectors are used to take the burden of data routing from sensors. Mobile Data Gathering (MDG) schemes are used to collect sensor node data values in WSN. Mobile data collection framework is divided into three-layers such as sensor layer, cluster head layer and mobile collector (SenCar) layer. Mobile data collection is carried out using distributed load balanced clustering and dual data uploading (LBC-DDU) method. Distributed load balanced clustering (LBC) algorithm is used to construct clusters with sensor nodes. Dual data uploading is performed with the support of multiple cluster heads. Connectivity ranges are used to manage the inter connectivity between the clusters. Cluster head information is forwarded to SenCar for its moving trajectory planning. SenCar is equipped with two antennas two enable the cluster heads simultaneously upload data to SenCar . The data upload process utilizes multi-user multiple-input and multiple-output (MU-MIMO) technique. Polling points are selected for each cluster to utilize dual data uploading benefits. The SenCar collects the data by visiting the polling points in the trajectory and transfer the data to the static data sink. The system is constructed with initialization, status claim, and cluster formation, receives packets and cluster heads algorithms.

Keywords: MDG,SenCar,LBU-DDC,Sensor,Cluster

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