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The Internet of Things (IoT) and cloud computing are the prime focus of the current research and development in all field of study. In this work, an attempt is made to enhance the integration of wireless sensor network (WSN) in IoT environment with cloud computing for health care system. IoT is a dynamic network infrastructure, that interconnects different sensor networks through Internet, acquire...
Massive advancements in computing and communication technologies have enabled the ubiquitous presence of interconnected computing devices in all aspects of modern life, forming what is typically referred to as the “Internet of Things”. These major changes could not leave the industrial environment unaffected, with “smart” industrial deployments gradually becoming a reality; a trend that is often referred...
In this paper we present methods to reach 10-years of battery life for Industrial Internet of Things (IIoT) wireless sensor network (WSN) using a platform called the I3Mote. I3Mote provides connected sensor nodes for tough industrial environment and a number of I3Motes can form a large-scale coverage of data collectors or actuators. The goal is to achieve 10-years network life time for all the connected...
Characterization of communication links in wireless sensor networks (WSN) deployed in mine environment is of paramount importance for achieving reliable network performance. Inaccurate communication model may lead to the inferior performance of protocols designed hence may exhibit inconsistent behavior due to link degradation. It is thus significant to account for propagation factors that affect link...
Wireless body area network is an application of sensor network and open for research in our propose work we Firstly we begin with the round of transmission for selecting cluster head, for that we have to define a criteria that is based on specific energy values for selecting a node as cluster head, In the phase of selecting cluster head a probability distribution is utilized that is relayed on probabilistic...
In this paper, we propose, design and experiment an energy efficient protocol for Wireless Sensor Networks (WSNs) named Opportunistic Duty cYcle based routing protocol for wirelesS Sensor nEtworks (ODYSSE). The main key innovation of ODYSSE is that it judiciously makes use of three mechanisms. The first one is duty cycling which consists in randomly switching on/off transceivers to save energy. The...
In wireless sensor Networks, sending data consumes energy which affects the lifetime of the network. Since Routing protocol plays an important role in this process, designing a routing protocol must take into a count energy consumption in order to increase the lifetime of the network. In this paper, we propose an improved multipath leach protocol which uses at most one intermediate cluster head. The...
This paper analyzes the characteristics and key technologies of Zigbee wireless sensor network. It adopts modularization to realize Zigbee protocol stack, and designs Zigbee wireless sensor network platform. It also designs and realizes the overall framework, hardware circuit and software design module framework of this platform. The platform uses newly emerging communication protocol to be the communication...
Because the wireless sensor network (WSN) has the characteristics of dynamic change of network topology, wireless link interference, and many-to-one, it is easy to cause congestion in wireless sensor networks. Analyzing the current congestion detection algorithms, Aiming at the characteristics of wireless sensor networks with limited data source, proposed congestion control algorithm based on a small...
Wireless sensor based communication system is an ever growing sector in the industry of communication. Wireless infrastructure is a network that enables correspondence between various devices associated through a infrastructure protocol. In WSN enhancing the life span of network depends on the energy dissipation of the sensor devices. Reducing the energy dissipation of sensor devices will improve...
Cross-technology interference on the license-free ISM bands has a major negative effect on the performance of Wireless Sensor Networks (WSNs). Channel hopping has been adopted in the Time-Slotted Channel Hopping (TSCH) mode of IEEE 802.15.4e to eliminate blocking of wireless links caused by external interference on some frequency channels. This paper proposes an Enhanced version of the TSCH protocol...
In home automation (HA) industry, various roles are involved such as device manufactures, system integrators, and installers. Engineering tools are required not only to improve installation efficiency and reduce the engineering cost, but also to simplify information exchange among different stakeholders. In this paper, a RESTful information exchange method among installer-friendly engineering tools...
Using Cluster-based routing algorithm to prolong wireless sensor network's lifetime is an important research topics. In this paper we proposed a novel clustering algorithm named PLEACH, which selects cluster head more evenly. First, it calculates the optimal cluster numbers according to a new strategy. Then it uses improved PSO algorithm to choose the most suitable cluster head in the next round selecting...
Wireless Sensor Networks (WSNs) are used for monitoring and data collection purposes. A key challenge in effective data collection is to schedule and synchronize the activities of the nodes with global clock. This paper proposes the Synchronized Data Aggregation Algorithm (SDA) using spanning tree mechanism. It provides network-wide time synchronization for sensor network. In the initial stage algorithm...
The sensing and processing power combined with wireless communication technology makes Wireless Sensor Networks(WSN) lucrative for being exploited in abundance in days to come. However, the security of WSN remains an open challenge. One such open security challenge is the node replication attack, where the enemy captures the authentic node from the network and extracts all the security credentials...
In Wireless sensor networks (WSNs), many tiny sensor nodes communicate using wireless links and collaborate with each other. The data collected by each of the nodes is communicated towards the gateway node after carrying out aggregation of the data by different nodes. It is necessary to secure the data collected by the WSN nodes while they communicate among themselves using multi hop wireless links...
Wireless sensor networks (WSN's) rely on various resource constrained nodes with limited energy, range, memory and computational power it is necessary to conserve battery energy so as to extend the life time of the given WSN deployment. In any WSN application measured data is gathered at regular intervals and the same is sent to the Base station (BS) by using neighbouring nodes. By forming clusters...
Wireless sensor network (WSN) consists of distributed sensor nodes in the remote locations and are used to measure the sensor data in remote locations. Each node of WSN consists of a wireless micro controller interfaced with sensors. The user is confronted with independently working and diverse electronic devices like television, PDAs, laptops etc. Middleware is required to glue all these heterogeneous...
Wireless sensor networks possess many challenges. One of the most significant is routing. In this paper, we focus on so-called Self-organizing Coordinate Systems, which are perceived as the current state of the art. Protocols included in this class are intended to create a virtual coordinate system within the network, applying principles of geographical routing. We aim to find a solid starting point...
According to characteristics of coal mine goaf, a suitable routing mechanism based on LEACH protocol was proposed. The mechanism's improvement including two sides: Firstly, LEACH cluster heads selection mechanism was improved. Secondly a routing algorithm of wireless sensor network was designed with the multi-path routing mechanism. Finally, the NS2 simulation result show that this new routing mechanism...
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