scholarly journals Different Routing Protocols for Wireless Body Sensor Area Network

2019 ◽  
Vol 8 (11) ◽  
pp. 3360-3363
Keyword(s):  
Network Performance ◽  
Data Dissemination ◽  
Life Time ◽  
Link Quality ◽  
Sensor Nodes ◽  
Area Network ◽  
Body Movements ◽  
Dynamic Changes ◽  
Efficient Data

Locomotion produced by body movements in Wireless Body Area Networks (WBANs) affects the link-quality of intra-BAN and inter-BAN interacting units, that, in turn, changes the Quality-of-Service (QoS) of individual WBAN, that includes reliability, efficient data transmission and network throughput . Further, the variation in link quality In central of WBANs and Access Points (APs) makes the WBAN-equipped cold-blooded more resource-constrained in nature, which also varies the data dissemination delay. Therefore, to lessen the DDA of the network, WBANs send Cold-blooded’ physiologic info to local servers using the proposed opportunistic transient connectivity establishment algorithm. Additionally, limb/body movements induce dynamic changes to the on-body network topology, which, in turn, increases the network management cost and decreases the life-time of the sensor nodes periodically. Simulation results show significant improvement in the network performance compared to the existing solutions

Novel Energy Aware Algorithm to Design Multilayer Architecture for Dense Wireless Sensor Networks

2016 ◽  
pp. 79-114
Author(s):  
Naveen Chilamkurti ◽  
Sohail Jabbar ◽  
Abid Ali Minhas
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Network Architecture ◽  
Network Performance ◽  
Data Dissemination ◽  
Base Station ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Energy Aware ◽  
Unbalanced Load

Network layer functionalists are of core importance in the communication process and so the routing with energy aware trait is indispensable for improved network performance and increased network lifetime. Designing of protocol at this under discussion layer must consider the aforementioned factors especially for energy aware routing process. In wireless sensor networks there may be hundreds or thousands of sensor nodes communicating with each other and with the base station, which consumes more energy in exchanging data and information with the additive issues of unbalanced load and intolerable faults. Two main types of network architectures for sensed data dissemination from source to destination exist in the literature; Flat network architecture, clustered network architecture. In flat architecture based networks, uniformity can be seen since all the network nodes work in a same mode and generally do not have any distinguished role.

Novel Energy Aware Algorithm to Design Multilayer Architecture for Dense Wireless Sensor Networks

2020 ◽  
pp. 372-399
Author(s):  
Naveen Chilamkurti ◽  
Sohail Jabbar ◽  
Abid Ali Minhas
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Network Architecture ◽  
Network Performance ◽  
Data Dissemination ◽  
Base Station ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Energy Aware ◽  
Unbalanced Load

Network layer functionalists are of core importance in the communication process and so the routing with energy aware trait is indispensable for improved network performance and increased network lifetime. Designing of protocol at this under discussion layer must consider the aforementioned factors especially for energy aware routing process. In wireless sensor networks there may be hundreds or thousands of sensor nodes communicating with each other and with the base station, which consumes more energy in exchanging data and information with the additive issues of unbalanced load and intolerable faults. Two main types of network architectures for sensed data dissemination from source to destination exist in the literature; Flat network architecture, clustered network architecture. In flat architecture based networks, uniformity can be seen since all the network nodes work in a same mode and generally do not have any distinguished role.

scholarly journals Ground Level Deployment of Wireless Sensor Networks: Experiments, Evaluation and Engineering Insight

Sensors ◽  
2019 ◽  
Vol 19 (15) ◽  
pp. 3358
Author(s):  
Rodrigue Domga Komguem ◽  
Razvan Stanica ◽  
Maurice Tchuente ◽  
Fabrice Valois
Keyword(s):  
Network Performance ◽  
Negative Impact ◽  
Field Tests ◽  
Ground Level ◽  
Theoretical Models ◽  
Lessons Learned ◽  
Link Quality ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
The Impact

In this paper, we are interested in characterizing the link properties of a wireless sensor network with nodes deployed at ground level. Such a deployment is fairly common in practice, e.g., when monitoring the vehicular traffic on a road segment or the status of infrastructures such as bridges, tunnels or dams. However, the behavior of off-the-shelf wireless sensor nodes in these settings is not yet completely understood. Through a thorough experimentation campaign, we evaluated not only the impact of the ground proximity on the wireless links, but also the impact of some parameters such as the packet payload, the communication channel frequency and the topography of the deployment area. Our results show that a ground-level deployment has a significant negative impact on the link quality, while parameters such as the packet size produce unexpected consequences. This allows us to parameter classical theoretical models in order to fit a ground-level deployment scenario. Finally, based on the lessons learned in our field tests, we discuss some considerations that must be taken into account during the design of communication protocols and before the sensor deployment in order to improve network performance.

scholarly journals Energy Efficient and Secured Data Dissemination in Wsn

2019 ◽  
Vol 9 (2) ◽  
pp. 324-327
Keyword(s):  
Energy Efficient ◽  
Data Dissemination ◽  
Life Time ◽  
Delivery Ratio ◽  
Process Data ◽  
Application Service ◽  
Efficient Data ◽  
Small Change ◽  
High Level ◽  
Secured Data

Data dissemination is a high level application service, provided to WSN to update the configuration parameter to make the node perform intended services. The configuration parameters of the nodes are updated by means of reprogramming and reconfiguration through over air programming. In data dissemination, the data are so sensitive that even a small change in a data will lead to data corruption and nodes will not perform intended services. In most of the existing systems, providing energy efficient secured data dissemination is a major concern. The attackers can interrupt the process data dissemination and launch various types of attacks, In-order to overcome these challenges. In this paper, a novel Secure Based Dissemination protocol is proposed which can provide energy efficient data dissemination. The proposed protocol ensures better authentication during data dissemination. The proposed protocol is implemented in NS2 simulator. Simulation results justifies that, proposed protocol output forms the existing techniques and has better Packet Delivery Ratio, throughput , network life time, energy consumption, end to end delay and routing overhead .

scholarly journals Developing a fuzzy logic based system for monitoring and early detection of residential fire based on thermistor sensors

2015 ◽  
Vol 12 (1) ◽  
pp. 63-89 ◽  
Author(s):  
Mirjana Maksimovic ◽  
Vladimir Vujovic ◽  
Branko Perisic ◽  
Vladimir Milosevic
Keyword(s):  
Fuzzy Logic ◽  
Real World ◽  
Network Performance ◽  
Performance Monitoring ◽  
Sensor Nodes ◽  
Sensor Data ◽  
Critical Event ◽  
The Internet ◽  
Network Performance Monitoring

The recent proliferation of global networking has an enormous impact on the cooperation of smart elements, of arbitrary kind and purpose that can be located anywhere and interact with each other according to the predefined protocol. Furthermore, these elements have to be intelligently orchestrated in order to support distributed sensing and/or monitoring/control of real world phenomena. That is why the Internet of Things (IoT) concept raises like a new, promising paradigm for Future Internet development. Considering that Wireless Sensor Networks (WSNs) are envisioned as integral part of arbitrary IoTs, and the potentially huge number of cooperating IoTs that are usually used in the real world phenomena monitoring and management, the reliability of individual sensor nodes and the overall network performance monitoring and improvement are definitely challenging issues. One of the most interesting real world phenomena that can be monitored by WSN is indoor or outdoor fire. The incorporation of soft computing technologies, like fuzzy logic, in sensor nodes has to be investigated in order to gain the manageable network performance monitoring/control and the maximal extension of components life cycle. Many aspects, such as routes, channel access, locating, energy efficiency, coverage, network capacity, data aggregation and Quality of Services (QoS) have been explored extensively. In this article two fuzzy logic approaches, with temporal characteristics, are proposed for monitoring and determining confidence of fire in order to optimize and reduce the number of rules that have to be checked to make the correct decisions. We assume that this reduction may lower sensor activities without relevant impact on quality of operation and extend battery life directly contributing the efficiency, robustness and cost effectiveness of sensing network. In order to get a real time verification of proposed approaches a prototype sensor web node, based on Representational State Transfer (RESTful) services, is created as an infrastructure that supports fast critical event signaling and remote access to sensor data via the Internet.

scholarly journals Power enhancement based link quality for wireless mesh network

2021 ◽  
Vol 11 (2) ◽  
pp. 1388
Author(s):  
Mohammad Khalaf Rahim Al-juaifari ◽  
Hussain Mumtaiz Alshamy ◽  
Noor Hassan Abed Khammas
Keyword(s):  
Wireless Mesh Networks ◽  
Network Performance ◽  
Mesh Networks ◽  
Life Time ◽  
Link Quality ◽  
Mesh Network ◽  
Self Healing ◽  
Mobile Nodes ◽  
Long Distance ◽  
Wireless Mesh

Energy consumption of wireless network communication is still a big issue and a lot of research papers have proposed many solutions to increase node life time. The WMN architecture is made up of a fixed and mobile component, whereas the wireless mesh networks (WMNs) are multi-hop wireless networks with instant deployment, self-healing, self-organization and self-configuration features. The reduction in the distance by a factor of two can result in at least four times more powerful signals at the receiver. This paper presents suggestions that the links are more reliable without the increase in power of the transmitter in individual nodes. As a result, the present simulations networks are nine mobile nodes for considering coverage issues of the service area. The analytic results show that the link power node for direct communication between two nodes with long distance consuming more power than it is cleared. The improvement in the network performance for maintaining is available and this solution can be used to implement mobility in such case with low power region for the wireless mesh networks.

scholarly journals Performance evaluation of WLAN in enterprise WAN with real-time applications based on OPNET modeler

2021 ◽  
Vol 21 (2) ◽  
pp. 911
Author(s):  
Mohammed Ghadhban Al-Hamiri ◽  
Haider J. Abd ◽  
Hanaa M. Al Abboodi
Keyword(s):  
Response Time ◽  
Network Performance ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Local Area ◽  
Area Network ◽  
File Transfer ◽  
Hybrid Star ◽  
Hybrid Ring

<p><span>Wireless local area networks (WLAN) has been used recently due to their benefits which exhibits outstanding mobility with easier and faster configurations. The wireless local area network performance is much influenced by both network topology and hardware specifications and thus will impact the quality of service (QoS) parameters which are delay, load, and response time. This works estimated the performance of WLAN in enterprise WAN based on the OPNET modeler. Three scenarios have been suggested which are FDDI scenario, FDDI Hybrid Star scenario, and FDDI hybrid ring scenario involving web browsing (HTTP) and file transfer protocol (FTP). Hardware objects and software configurations kept the same for all proposed scenarios. Different types of links and topologies have been applied among WLAN subnets as well as the involved gateway has been changed to measure parameters of quality of services (QoS) for all scenarios used. The findings confirmed that the FDDI Hybrid Ring scenario presents better performance than the FDDI Hybrid Star Scenario and FDDI scenario in terms of WLAN delay, WLAN load, FTP download response time, and HTTP object response time.</span></p>

Node and Hub Data Gathering Architectures for Healthcare Applications based on IEEE 802.15.6 Standard

2015 ◽  
Vol 6 (3) ◽  
pp. 38-62
Author(s):  
Hadda Ben Elhadj ◽  
Lamia Chaari ◽  
Saadi Boudjit ◽  
Lotfi Kamoun
Keyword(s):  
Routing Protocol ◽  
Data Dissemination ◽  
Modular Design ◽  
Network Reliability ◽  
Wireless Body Area Network ◽  
Data Gathering ◽  
Area Network ◽  
Healthcare Applications ◽  
Layered Architecture

In this paper, the authors present a Node Management Entity (NME) and a Hub Management Entity (HME) architectures based on the Wireless Body Area Network (WBAN) standard. The proposed HME and NME combine cross and modular design architecture to ensure network reliability and enhance the WBAN Quality of Service (QoS). Furthermore, the authors propose an Adaptive Two-hop Routing protocol, termed ATR, a simple but yet efficient algorithm to provide reliable data dissemination in WBANs. The proposed ATR is evaluated under layered architecture and NME and HME entities. Simulation results show that both entities perform well 802.15.6 standard and WBAN QoS requirements than layered architecture.

scholarly journals Augmenting Speech Quality Estimation in Software-Defined Networking Using Machine Learning Algorithms

Sensors ◽  
2021 ◽  
Vol 21 (10) ◽  
pp. 3477
Author(s):  
Jan Rozhon ◽  
Filip Rezac ◽  
Jakub Jalowiczor ◽  
Ladislav Behan
Keyword(s):  
Network Performance ◽  
Service Providers ◽  
Software Defined Networking ◽  
Speech Quality ◽  
Machine Learning Algorithms ◽  
Link Quality ◽  
Multimedia Communications ◽  
Speech Communication ◽  
Sdn Controller

With the increased number of Software-Defined Networking (SDN) installations, the data centers of large service providers are becoming more and more agile in terms of network performance efficiency and flexibility. While SDN is an active and obvious trend in a modern data center design, the implications and possibilities it carries for effective and efficient network management are not yet fully explored and utilized. With most of the modern Internet traffic consisting of multimedia services and media-rich content sharing, the quality of multimedia communications is at the center of attention of many companies and research groups. Since SDN-enabled switches have an inherent feature of monitoring the flow statistics in terms of packets and bytes transmitted/lost, these devices can be utilized to monitor the essential statistics of the multimedia communications, allowing the provider to act in case of network failing to deliver the required service quality. The internal packet processing in the SDN switch enables the SDN controller to fetch the statistical information of the particular packet flow using the PacketIn and Multipart messages. This information, if preprocessed properly, can be used to estimate higher layer interpretation of the link quality and thus allowing to relate the provided quality of service (QoS) to the quality of user experience (QoE). This article discusses the experimental setup that can be used to estimate the quality of speech communication based on the information provided by the SDN controller. To achieve higher accuracy of the result, latency characteristics are added based on the exploiting of the dummy packet injection into the packet stream and/or RTCP packet analysis. The results of the experiment show that this innovative approach calculates the statistics of each individual RTP stream, and thus, we obtain a method for dynamic measurement of speech quality, where when quality decreases, it is possible to respond quickly by changing routing at the network level for each individual call. To improve the quality of call measurements, a Convolutional Neural Network (CNN) was also implemented. This model is based on two standard approaches to measuring the speech quality: PESQ and E-model. However, unlike PESQ/POLQA, the CNN-based model can take delay into account, and unlike the E-model, the resulting accuracy is much higher.

scholarly journals Ant Based Cross Layered Optimization Protocol for WMSN with Fuzzy Clustering

2018 ◽  
Vol 10 (1) ◽  
pp. 295
Author(s):  
DipaliParag Adhyapak ◽  
Sridharan Bhavani ◽  
Aparna Pradeep Laturkar
Keyword(s):  
Fuzzy Clustering ◽  
Routing Protocol ◽  
Network Performance ◽  
Routing Algorithm ◽  
Life Time ◽  
Sensor Nodes ◽  
Cross Layer ◽  
Delivery Ratio ◽  
Wireless Multimedia ◽  
Cross Layer Optimization

Wireless Multimedia Sensor Network (WMSN) is embedded with large number of Audio, Video and scalar sensor nodes which can able to retrieve the multimedia information from the environment. WMSN has several challenges such as life time of the network, Memory requirement, Coverage, Bandwidth and QoS metrics. Hence selection of routing algorithm is crucial in WMSN. Again interdependencies of the protocol layer cannot be neglected to improve the network performance. Clustering in WMSN is challenging task in order to increase network lifetime and to improve the communication. Hence Fuzzy clustered Ant based cross layer protocol (FCAXL) is proposed. In this paper performance analysis of ant based cross layer optimization protocol with fuzzy clustering based on number of nodes and packet size is done. Simulation results shows that Fuzzy clustered ant based cross layer optimization protocol performs best as compared to AntSenseNet routing protocol, Cross layer routing protocol and Ant based cross layer routing protocol in terms of QoS parameters such as Throughput, Packet delivery ratio and delay. Hence the life time of the network increases.

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