Rabindra Bista

Rabindra Bista
Kathmandu University · Department of Computer Science and Engineering

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18
Publications
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170
Citations

Publications

Publications (18)
Chapter
Energy efficiency in Wireless Sensor Networks is very important issue now a days because with development of sophisticated hardware and better software, the area of implementation of WSN has widened remarkably. Clustering technique has been widely used in WSN for achieving better management and energy efficiency. LEACH is one of the widely used alg...
Article
Since wireless sensor networks (WSNs) are resources-constrained, it is very essential to gather data efficiently from the WSNs so that their life can be prolonged. Data aggregation can conserve a significant amount of energy by minimizing transmission cost in terms of the number of data packets. Many applications require privacy and integrity prote...
Conference Paper
Many applications require reliable and trustful data aggregation in Wireless Sensor Networks (WSNs). In this paper, we propose a new scheme to achieve data privacy and integrity protection in data aggregation for WSNs, called Preserving Privacy and Assuring Integrity (PPAI) scheme. For this, before data transmission, the PPAI scheme blurs the origi...
Conference Paper
In this paper, we propose a new privacy preserving data aggregation scheme for WSNs. Our scheme applies additive property of complex numbers in order to combine sensor data and preserve data privacy during transmission to the sink node. In addition, for supporting scalability, we propose a novel mechanism in which a special set of real numbers are...
Conference Paper
A sink node must be aware of the identifications (node IDs) of those all sensor nodes which contribute in aggregated value of sensors data in order to derive exact result of them in privacy preserving data aggregation scheme for wireless sensor networks (WSNs). This is possible only when if there exists such a scheme which can transmit IDs of all t...
Conference Paper
Since wireless sensor networks (WSNs) are resources- constrained, it is very essential to gather data efficiently so that the life of the networks can be prolonged. Data aggregation can conserve a significant amount of energy by minimizing the transmission costs in terms of the number of data packets. On the other hand, many applications require pr...
Conference Paper
Many wireless sensor network (WSN) applications require privacy of the sampled data during transmission from the source nodes to a data collecting device, say a query server. Providing an efficient data aggregation scheme with preserving data privacy is a challenging problem in WSNs. Although the secure data aggregation in WSNs has been well studie...
Article
Full-text available
Many wireless sensor network (WSN) applications require privacy-preserving aggregation of sensor data during transmission from the source nodes to the sink node. In this paper, we explore several existing privacy-preserving data aggregation (PPDA) protocols for WSNs in order to provide some insights on their current status. For this, we evaluate th...
Conference Paper
Many applications require the privacy of the sampled data while they travel from the source sensor nodes to data collecting device, say data sink. Providing an efficient data aggregation scheme with preserving data privacy is a challenging problem in the research of wireless sensor networks (WSNs). Although the secure data aggregation in WSNs has b...
Conference Paper
For wireless sensor networks (WSNs), how to design routing protocols is very important to gather data efficiently so that the life of the network can be prolonged. A usual concept to collect data by a sink node is to transfer data from sensor nodes to the sink node by multi-hop. However, it gives rise to two problems. The first one is the hotspot p...
Conference Paper
For wireless sensor networks (WSNs), how to design routing protocols is very important to gather data efficiently so that the life of the network can be prolonged. A usual concept to collect data by a sink node is to transfer data from sensor nodes to the sink node by multihop. However, it gives rise to two problems. The first one is that core sens...
Conference Paper
A wireless sensor network (WSN) is composed of a large number of sensor nodes which are resource constraints, e.g., limited power. This drives research on how to design routing protocols to gather data efficiently so that the life of the network can be prolonged. A usual concept to collect data by a sink node is to transfer data from sensor nodes t...
Conference Paper
In this paper, we define a new measure to compute spatio-temporal similarity between two trajectories of moving objects on road networks, which is known as spatio-temporal distance (STDist). In addition, we propose a new spatio-temporal similar trajectory search algorithm to retrieve similar trajectories based on the spatio-temporal distance, a com...
Conference Paper
In this paper, we propose a new spatio-temporal similarity measure to compute spatio-temporal relevance between two trajectories of moving objects on road networks, which is known as spatio-temporal distance (STDist). In addition, we provide a similar trajectory search algorithm to retrieve similar trajectories based on the proposed measure i.e., a...

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