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Wireless sensor network is composed of many wireless sensor nodes with the same or different functions. A typical sensor node consists of four parts: sensor unit, information processing unit, wireless communication unit and energy supply unit. In this paper, the existing ant colony algorithm is analyzed, and an improved ant colony optimization algorithm is proposed. The paper presents design of routing...
The proposed Heuristic clustered (HC) technique, can increase the performance of the mobile ad hoc network. This proposed Heuristic clustered (HC) technique can involve in three different stages such as clustering formation, software-based clustering, and heuristic clustered routing protocol. In clustering formation, cluster head will be selected based on the weighted clustering algorithm. Software-based...
Wireless sensor network (WSN) is a network which includes spatially distributed autonomous devices using sensors to monitor environmental or physical conditions. WSN is emerging as popular and essential ways of providing pervasive computing environments for numerous applications. The sensor nodes are constrained in terms of energy and therefore energy consumption and extending network lifetime is...
The area of wireless sensor network (WSN) is shrouded with the issues of routing protocol that has been witnessed in the last few decade in the research community. One of the direct influences of routing protocol is the performance of data aggregation in WSN. This paper presents a novel routing protocol that performs a cost effective, reliable and robust routing mechanism in wireless sensor network...
Wireless Sensor Networks (WSNs) are increasingly implemented in different area of applications. It is possible that the data collected by adjacent nodes can be redundant due to large numbers of nodes in these networks, so aggregation of data should be exploited for Energy conservation in WSNs. It is very important to transmit the aggregated data to the sink node or base station effectively and reliably...
Routing Algorithms are driving the growth of the data transmission in wireless sensor network. Contextually, many algorithms proposed for efficient data transferring. This paper uses the scenario and node distribution across the Battle field in India. This Paper uses clustering algorithms to send the data over different geographic region. During the Battle, data gathering and data aggregation to base...
Designing and development of energy effective path planning algorithm is very key research domain in order to tackle the issues of limited life-time for Wireless Sensor Networks (WSNs). So in WSNs, energy efficiency is major concern of researchers. Overall advancement in routing protocols prove that clustering is much better approach as compared to flat and location-based energy efficient routing...
Wireless sensor network routing protocol LEACH improves the energy efficiency with hierarchical topology structure, which exists shortages that less residual energy nodes are elected cluster head and that cluster heads directly communicate with base station. An energy balanced hierarchical routing algorithm (EBHRA) is proposed to improve disadvantages of LEACH. The EBHRA algorithm introduces residual...
In this paper, we propose an energy efficient data forwarding protocol called Energy Aware Geographic Routing Protocol (EAGRP) for wireless sensor networks to extend the life time of the network. In EAGRP, both position information and energy are available at nodes used to route packets from sources to destination. The routing design of EAGRP is based on two parameters: location and energy levels...
Resources are scarce in Wireless Sensor Networks (WSN) and one of the challenges is to design a lightweight communication protocol to support efficient and uniform power consumption among nodes. In this paper, we propose an energy aware routing scheme based on a cross-layer approach for WSNs with the objective to minimize the overall consumed energy; thus, maximizing the network lifetime. The remaining...
In this paper proposes a novel clustering algorithm for energy efficient routing based on a cluster head selection. To extend the lifetime of networks and it improves node energy efficiency, balances energy consumption of all sensor nodes, increases dependability of data transmission and remits network lifetime in comparison of existing clustering protocol. Furthermore, the protocol increases the...
In this work, we consider the problem of providing QoS routing in wireless sensor network. Due to the dynamic nature of wireless network, it's a challenging issue to implement QoS routing in multi-hop network. We make following major contribut contributions in this paper. First, we propose and implement a QoS providing framework based on DiffServ model. Second, we implement bandwidth and ETX measurement...
To realize maximization of the effective coverage area and lifetime for wireless sensor networks monitoring areas, the design of network routing protocol needs to take consideration of both the individual node and the whole network energy consumption. Aiming at the characteristics that node distribution is influenced by natural condition and data can fuse in real environment, as well as signaling...
In this paper an unequal clustering algorithm based on fuzzy theory (FTUC) is proposed. Firstly, to extend lifetime of wireless sensor networks (WSN), the network region is divided into several virtual blocks (VBs) in FTUC. According to the principle of energy minimization, the optimal number of cluster heads (CHs) is calculated to control the number and the size of the VB. Secondly, the residual...
We are dealing with a host of challenging issues in wireless sensor networks like: limited energy supply of a sensor which is a threat for network life time, QOS needs and energy efficient routing. Researchers have proposed a variety of approaches to deal with these issues, but when it comes to dynamic, unpredictable environments, some of these solutions lose their effectiveness. The question is whether...
In order to improve energy efficiency in wireless sensor networks (WSNs), an unequal clustering algorithm based on virtual blocks (VBUC) is proposed. Firstly, the monitoring area is divided into several virtual blocks (VBs) in VBUC. According to the principle of energy minimization, the optimal number of cluster heads (CHs) is calculated to control the number and the size of the VB. Secondly, the...
Due to limitations of power, computation capability and storage resources, wireless sensor networks are vulnerable to many attacks. The paper proposed a novel routing protocol algorithm for Wireless sensor network. The proposed routing protocol algorithm can adopt suitable routing technology for the nodes according to distance of nodes to the base station, density of nodes distribution and residual...
At present most of the WSNs routing protocol only have a single research objective. The overall network performance lacks of multi-objective inspection and evaluation. The basic task of multi-objective routing is to find a route in the network which has sufficient resources to optimize some network parameters and satisfy multiple constrains. A multi-objective model, constrained of bandwidth, is put...
LEACH is one classical protocol in wireless sensor network, which is a clustering-based protocol with good performance. In this paper, an improved routing algorithm based on LEACH protocol will be proposed, which involves cluster head choosing, multi-hop routing and the building of its path. Simulation in MATLAB, an improved routing algorithm has higher energy utilizing rate, and it helps prolong...
As WSN is a resource-constrained network, especially the limited energy, so it must maintain smaller router information and reduce the energy consumption as much as possible. This paper briefly introduces the wireless sensor network, and analysis the problems existed in LEACH routing protocol. Put forward the improved algorithm based on LEACH cluster head multi-hops algorithm, and under considering...
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