A Review Study on Shortest Path in WSN to detect the Abnormal Packet for saving Energy and Efficient Data Collection using AODV

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e-ISSN: 2349-9745
p-ISSN: 2393-8161
A Review Study on Shortest Path in WSN to detect the Abnormal
Packet for saving Energy and Efficient Data Collection using AODV
Rajan kakkar1
,Surender Singh2
1
M.Tech Student, 2
Asstt. Prof. in CSE Department,
Om Institutes of Tech & Mgt.
Abstract: The main motive of this research is to study energy-efficient data-gathering mechanisms to
abnormal packet data for saving the energy. To detect the abnormal packet irregularities is useful for
saving energy, as well as for management of network, because the patterns found can be used for
both decision making in applications and system performance tuning. Node distribution in WSNs is
either deterministic or self-organizing and application dependant. The sensor nodes in WSNs have
minimum energy and they use their energy for communication and sensing.
Keywords: AODV (Ad-hoc on demand distance vector), WSN (Wireless Sensor Network), DSDV
(Destination sequence distance vector), SPACO (Shortest Path Ant Colony Optimization)
I. INTRODUCTION
1.1. Wireless Sensor Network
A Wireless sensor network is composed of tens to thousands of sensor nodes which are densely
deployed in a sensor field and have the capability to collect data and route data back to its base
station. Wireless Sensor Network is used in different application now a day’s [1], such as detecting
and tanks on a battlefield, measuring traffic flow on roads, measuring humidity and other factors in
fields, tracking in buildings. Sensor nodes consist of sensing unit, processing unit, and power unit.
The “many - tiny” principle: wireless networks of thousands of inexpensive miniature devices
capable of computation, communication and sensing A WSN application there are two types of
nodes: source node – the node which actually sense and collect data – and sink node – the node to
which the collected data is sent. The sinks can be part of the network or outside the wireless sensor
networks. Usually, there is great number of source nodes than sink nodes. Therefore the two disciple
sensor network and data mining can be combined. Knowledge from sensor data (Sensor-KDD) is
important. Clustering of sensory data act as a nucleus job of data mining in KDD.
Challenges for WSN
The main aim of WSN is to transmit data by increasing the lifetime of the network and by employing
energy efficient routing protocols. WSN face rigorous resource constraints in communication
bandwidth, power supply, and storage and processor capacity. Again, the performance of a routing
protocol depends on the architecture and design of the network, so the architecture and design of the
network is very important features in WSNs. The pattern of the wireless sensor network is affect by
many factors which must be overcome before an effective network can be achieved in WSNs.

International Journal of Modern Trends in Engineering and Research (IJMTER)
Volume 01, Issue 05, [November - 2014] e-ISSN: 2349-9745, p-ISSN: 2393-8161
Node Distribution: Higher-capability mobile robots may be dispatched to gather more accurate
temperature or humidity readings Node distribution [12] in WSNs is either deterministic or self-
organizing and application based. The uniformity of the cluster head directly affects the performance
of the routing protocol used for this network. In case of deterministic node distribution, the sensor
nodes are differently placed and gathered data is transmitted through pre-defined areas. The sensor
nodes are distributed over the area of interest randomly thus creating an infrastructure in an ad hoc
manner. Each sensor node consists of four major components: sensor, processing unit, power unit
and transceiver.
Dynamicity: Since the nodes in WSNs may be fixed or variable, dynamicity of the network is a
challenging issue they are static, but in the case of dynamic BS or nodes routes from one node to
another must be reported periodically within the network so that all nodes can transmit data via the
reported route. Again depending on the application, the sensed event can be dynamic or static.
Energy efficiency: The sensor nodes in WSNs have minimum energy and they use their energy for
communication and sensing, so energy consumption is an important point in WSNs. According to
various routing protocols nodes take part in data fusion and expend more energy. In this regard,
direct communication is efficient. Since most of the times sensor nodes are distributed randomly,
multi-hop routing is preferable.
Scalability: A WSN consists many sensor nodes. Routing protocols must be workable with this large
number of nodes i.e., these protocols can be able to handle all of the functionalities of the sensor
nodes so that the lifetime of the network can be stable.
Data Fusion: Data fusion is a process of combining of data from different sources according to some
function. This is achieved by signal processing methods. This technique is used by some routing
protocols for energy efficiency and data transfer optimization.
II. RELATED WORK
Nowadays sensors are very essential for today life to monitor environment where human cannot get
involved very often. Wireless Sensor Networks (WSN) are used in many real world applications like
environmental monitoring, traffic control, trajectory monitoring. It is more challenging for sensor
network to sense and collect a large amount of data which are continuous over time, which in turn
need to be forwarded to sink for further decision making process [2]
.
In [3], B.Yuan, Maria Orlowska and Shazia Sadiq, in Sep 2007, proposed that given a set of sparsely
distributed sensors in the Euclidean plane, a mobile robot is required to visit all sensors to download
the data and finally return to its base. The effective range of each sensor is specified by a disk, and
the robot must at least reach the boundary to start communication. The primary goal of optimization
in this scenario is to minimize the travelling distance by the robot many research activities have been
carried out on the research issue. Since the fundamental task of WSN is to gather data efficiently
with less resource consumption, to address the problem, there are two threads of research to improve
the performance of data collecting: optimized data-gathering schemes and mobile collector assisted
data-gathering in WSNs. For the first thread, most data-gathering algorithms aim to prolong lifetime
with some optimized schemes. To balance load within each cluster, an even energy dissipation

protocol (EEDP) was proposed for efficient cluster-based data-gathering in WSNs. In [7] a new
proposal is to gathers data in high-density WSNs in real-time, which determines network topology
by hierarchical clustering to avoid radio collision and enables to gather data with minimum data
latency from numerous high-density sensor nodes. To address the problem of gathering information
in WSNs, the work in [4] took into account the fact that interference can occur at the reception of a
message at the receiver sensor. However it assumes the distribution of sources are known. Another
way to save energy is to decrease data transmitting with some schemes. A new distributed
framework to achieve minimum energy data-gathering was proposed in [4]. To minimize the total
energy for compressing and transporting information, the problem of constructing a data-gathering
tree over a WSN was studied. To some extent, all those schemes require the node has extra
computation to optimize the data transmission or compress and decompress data. For the second
thread, nodes in WSNs are in multi-hop and mobile environment in general. The characteristic of
each link will change timely. In the content of the WSNs where each node only has a partial view of
the network, it is very important for each node to estimate the system status by a simple and accurate
method. Especially for data transmission with less power consumption, a mobile data collector is
more perfectly suited to such applications, for the collector can be equipped with a powerful
transceiver and battery. Instead, it is effective to collect data by assisted mobile collector which can
achieve better power saving performance [11]. A new data-gathering mechanism called M-collector
for large-scale wireless sensor networks was proposed by introducing mobility into the network.
However, it just considers the single-hop data gathering problem. An adaptive data-gathering
protocol was proposed that employs multiple mobile collectors (instead of sinks) to help an existing
WSN achieve such requirements, which adopts a virtual elastic-force model to help mobile collectors
adjust their moving speed and direction while adapting to changes within the network. A novel data-
collecting algorithm using a mobile robot to acquire sensed data from a wireless sensor network
(WSN) that possesses partitioned/islanded WSNs is proposed in this paper. This algorithm permits
the improvement of data collecting performance by the base station of partitioned/islanded WSNs
and navigating a mobile robot to the desired location. However, the number of collectors cannot be
predefined, for the irregularity of the information generation rate as well as the cost of mobile
collectors. A well-planned adaptive moving strategy (AMS) for a mobile sink in large-scale,
hierarchical sensor networks was presented. The mobile sink traverses the entire network uploading
the sensed data from cluster heads in time-driven scenarios. However, it just tries to minimize the
whole tour length to save energy. An efficient hybrid method for message relaying and load
balancing was proposed in low-mobility wireless sensor networks. The system uses either a single
hop transmission to a nearby mobile sink or a multi-hop transmission to a far-away fixed node
depending on the predicted sink mobility pattern. Recently, many research efforts have appeared in
the literature to explore the mobility in wireless sensor networks for data collection, we only survey
the most related ones here [12]. The mobility-assisted data collection was classified into three
categories in [12]: with random mobility, predictable mobility, and controlled mobility respectively.
The mobile entities, referred to as Data Mobile Ubiquitous LAN Extensions (MULEs), lie in the
middle tier on top of the stationary sensor nodes, move around in the network to collect data from
sensor nodes, and ultimately upload the data to the sink. The term Data MULEs was widely used in
the literature since then. In [10], the data collection process with predictable mobility was modeled
as a queuing system, and the success of data collection was analyzed based on it. In [7], a mobile

data observer, called Sensor, was used as a mobile base-station in the network. It also showed that
the design of the travelling tour is critical for SenCar to accomplish data collection jobs successfully.
Observing the importance of the travelling tour, a lot of efforts were put into its optimal design,
[2].The tour selection problem can be modeled as a Travelling Salesman Problem with
Neighborhoods (TSPN), an NP-hard problem, if we do not consider the data rate constraints between
the mobile element (ME) and sensor nodes, where all the neighborhoods are possibly intersected
communication disks. It has been proven that approximating Euclidean TSPN within a factor of (2")
is also NP-hard [11].
III. CONCLUSION
Some distinct characteristics of WSNs such as large node density, unattended operation mode, high
dynamicity and severe resource constraints pose a number of design challenges on sensor data-
gathering schemes. Many research activities have been studied on the research issue. Since the
fundamental task of WSN is to gather data efficiently with less resource consumption, to address the
problem, there are two threads of research to improve the performance of data collecting: optimized
data-gathering schemes and mobile collector assisted data-gathering in WSNs. Most data-gathering
algorithms aim to prolong lifetime with some optimized schemes.
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A Review Study on Shortest Path in WSN to detect the Abnormal Packet for saving Energy and Efficient Data Collection using AODV

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A Review Study on Shortest Path in WSN to detect the Abnormal Packet for saving Energy and Efficient Data Collection using AODV