scholarly journals Cluster-Based Control Plane Messages Management in Software-Defined Flying Ad-Hoc Network

Sensors ◽  
2019 ◽  
Vol 20 (1) ◽  
pp. 67 ◽  
Author(s):  
Pedro Cumino ◽  
Kaled Maciel ◽  
Thaís Tavares ◽  
Helder Oliveira ◽  
Denis Rosário ◽  
...  
Keyword(s):  
Ad Hoc Network ◽  
Network Architecture ◽  
Ad Hoc ◽  
Delivery Ratio ◽  
Control Plane ◽  
Movement Trajectories ◽  
Signaling Overhead ◽  
Message Dissemination ◽  
Control Message ◽  
Bandwidth Consumption

Collaboration between multiple Unmanned Aerial Vehicles (UAVs) to establish a Flying Ad-hoc Network (FANET) is a growing trend since future applications claim for more autonomous and rapidly deployable systems. In this context, Software-Defined Networking FANET (SDN-FANET ) separates the control and data plane and provides network programmability, which considers a centralized controller to perform all FANET control functions based on global UAV context information, such as UAV positions, movement trajectories, residual energy, and others. However, control message dissemination in an SDN-FANET with low overhead and high performance is not a trivial task due to FANET particular characteristics, i.e., high mobility, failures in UAV to UAV communication, and short communication range. With this in mind, it is essential to predict UAV information for control message dissemination as well as consider hierarchical network architecture, reducing bandwidth consumption and signaling overhead. In this article, we present a Cluster-bAsed control Plane messages management in sOftware-defined flying ad-hoc NEtwork, called CAPONE. Based on UAV contextual information, the controller can predict UAV information without control message transmission. In addition, CAPONE divides the FANET into groups by computing the number of clusters using the Gap statistics method, which is input for a Fuzzy C-means method to determine the group leader and members. In this way, CAPONE reduces the bandwidth consumption and signaling overhead, while guaranteeing the control message delivering in FANET scenarios. Extensive simulations are used to show the gains of the CAPONE in terms of Packet Delivery Ratio, overhead, and energy compared to existing SDN-FANET architectures.

An Efficient and Stable Routing Algorithm in Mobile Ad Hoc Network

2021 ◽  
Vol 13 (04) ◽  
pp. 21-37
Author(s):  
Priyanka Pandey ◽  
Raghuraj Singh
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Residual Energy ◽  
Packet Delivery ◽  
Control Message ◽  
Mobile Ad Hoc ◽  
And Control ◽  
Route Request ◽  
Message Overhead

Mobile Ad hoc Network (MANET) is mainly designed to set up communication among devices in infrastructure-less wireless communication network. Routing in this kind of communication network is highly affected by its restricted characteristics such as frequent topological changes and limited battery power. Several research works have been carried out to improve routing performance in MANET. However, the overall performance enhancement in terms of packet delivery, delay and control message overhead is still not come into the wrapping up. In order to overcome the addressed issues, an Efficient and Stable-AODV (EFST-AODV) routing scheme has been proposed which is an improvement over AODV to establish a better quality route between source and destination. In this method, we have modified the route request and route reply phase. During the route request phase, cost metric of a route is calculated on the basis of parameters such as residual energy, delay and distance. In a route reply phase, average residual energy and average delay of overall path is calculated and the data forwarding decision is taken at the source node accordingly. Simulation outcomes reveal that the proposed approach gives better results in terms of packet delivery ratio, delay, throughput, normalized routing load and control message overhead as compared to AODV.

scholarly journals Enhancing Reactive Ad Hoc Routing Protocols with Trust

2022 ◽  
Vol 14 (1) ◽  
pp. 28
Author(s):  
Yelena Trofimova ◽  
Pavel Tvrdík
Keyword(s):  
Wireless Ad Hoc Networks ◽  
Routing Protocols ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Sensor Nodes ◽  
Delivery Ratio ◽  
Ad Hoc Routing ◽  
Trust Mechanism ◽  
Packet Delivery ◽  
Hoc Networks

In wireless ad hoc networks, security and communication challenges are frequently addressed by deploying a trust mechanism. A number of approaches for evaluating trust of ad hoc network nodes have been proposed, including the one that uses neural networks. We proposed to use packet delivery ratios as input to the neural network. In this article, we present a new method, called TARA (Trust-Aware Reactive Ad Hoc routing), to incorporate node trusts into reactive ad hoc routing protocols. The novelty of the TARA method is that it does not require changes to the routing protocol itself. Instead, it influences the routing choice from outside by delaying the route request messages of untrusted nodes. The performance of the method was evaluated on the use case of sensor nodes sending data to a sink node. The experiments showed that the method improves the packet delivery ratio in the network by about 70%. Performance analysis of the TARA method provided recommendations for its application in a particular ad hoc network.

scholarly journals An improved harmony search algorithm for optimized link state routing protocol in vehicular ad hoc network

2018 ◽  
Vol 7 (2.14) ◽  
pp. 177
Author(s):  
Mustafa Raad Hammoodi ◽  
Ravie Chandren Muniyand
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Search Algorithm ◽  
Harmony Search ◽  
Harmony Search Algorithm ◽  
Delivery Ratio ◽  
Roulette Wheel Selection ◽  
Link State ◽  
Improved Harmony Search

Vehicle Ad-hoc Network (VANET) is a direct application of Mobile Ad-hoc Network (MANET). Nodes in VANET are vehicles that communicate using vehicle to vehicle (V2V) or vehicle to infrastructure (V2I). These types of communications have led to the emergence of various applications that provide safer driving. Due to the high changing of topology and frequent fragmentation of VANET, routing pack-ets in this type of network is a hard task. In this work, the authors deal with the well-known MANET proactive Optimized Link State Rout-ing protocol (OLSR). The deployment of OLSR in VANET gives the moderate performance; this is due to its necessity of constant ex-changing of control packets. The performance of OLSR is highly dependent on its parameters, thus finding optimal parameters configura-tions that best fit VANETs environment and improves the network is essential before its deployment. Therefore, this research proposes a modified Harmony Search optimization (HSO) by incorporating selection methods in its memory consideration; roulette wheel selection to obtain fine-tuned OLSR for high density and velocity scenario. The experimental analysis showed that the OLSR with the proposed ap-proach acquired promising results regarding packet delivery ratio, end-to-end delay and overhead when compared with previous approaches.  

scholarly journals TEKNIK KOMUNIKASI DATA PADA AD HOC NETWORK COMMUNICATION

2014 ◽  
Vol 11 (2) ◽  
Author(s):  
Budi Rahmadya
Keyword(s):  
Mobile Networks ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Data Communication ◽  
High Mobility ◽  
Delay Tolerant Network ◽  
Network Communication ◽  
Destination Node ◽  
Delivery Ratio ◽  
Data Packets

Ad Hoc Network Communication is mobile networks communications and have a high mobility for each of its nodes. This type of network communications is a temporary networkwith utilizing a WiFi network or Bluethoot as a medium of communications. In the entirenetwork, node moves with a speed varying and unpredictable direction. Packets data delivery from the source node to destination node by using an ad hoc network requires its owntechniques. In this research discussed the existing data communication technique inVehicular Ad Hoc Network (VANETs) Communications with attention: Broadcasting Time, Routing Protocol, Message Dissemination, Delay Tolerant Network Dissemination and / DTN.These techniques can increase the delivery ratio / sending data packets to the destination as well as a smaller delay time. In order to maintain the integrity of the data packets received bythe destination node, the authors have proposed a method of duplicate messages in thisresearch.

Swarm Based Intelligent Transportation Systems Using Internet of Things in Vehicular Ad-Hoc Network

2020 ◽  
Vol 17 (12) ◽  
pp. 5503-5508
Author(s):  
R. Rajasekar ◽  
P. Sivakumar
Keyword(s):  
Internet Of Things ◽  
Smart City ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Research Work ◽  
Vehicular Ad Hoc Network ◽  
Delivery Ratio ◽  
Intelligent Transport System ◽  
Data Delivery ◽  
Intelligent Algorithms

The increasing current advancement of digital technology is completely based on Internet of Things (IoT). The IoT is used to facilitate smart city traffic congestion through Vehicular Ad-Hoc Network (VANET). In the Smart city, multiplying the number of vehicles has brought focus on road safety precautions and communication between vehicles. It is a precise time to concentrate on the new advancement of modern applications and its related services towards the vehicular environments. The Manual traffic systems are not sufficient for the increasing modernization of the city. The VANET is a spontaneous Ad-Hoc network formed over vehicles wandering on the road. In this research work states that the overview of various IoT based routing methodologies and challenges towards the VANET routing through intelligent optimization. The Swarm based intelligent algorithms for Vehicular Ad-Hoc networks deals with latency, data throughput, data delivery cost and data delivery ratio of the intelligent system. Swarm intelligent algorithms are used for optimization of intelligent transport system. It is a collective behavioral system of nature inspired ant/bee activity.

Issues Related to Network Security Attacks in Mobile Ad Hoc Networks (MANET)

2015 ◽  
pp. 234-256 ◽  
Author(s):  
Rakesh Kumar Singh
Keyword(s):  
Ad Hoc Network ◽  
Network Architecture ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Resource Constraints ◽  
Dynamic Network ◽  
Communication Devices ◽  
Wireless Medium ◽  
Mobile Ad Hoc ◽  
Hoc Networks

Mobile Ad Hoc Network (MANET) is a collection of communication devices or nodes that wish to communicate without any fixed infrastructure. The nodes in MANET themselves are responsible for dynamically discovering other nodes to communicate. A number of challenges like open peer-to-peer network architecture, stringent resource constraints, shared wireless medium, dynamic network topology etc. are posed in MANET. In this research, we identify the existent security threats an ad hoc network faces, the security services required to be achieved and the countermeasures for attacks in each layer. To accomplish our goal, we have done literature survey in gathering information related to various types of attacks and solutions, as well as we have made comparative study to address the threats in different layers. Finally, we have identified the challenges and proposed solutions to overcome them. There is no general algorithm that suits well against the most commonly known attacks such as wormhole, rushing attack, etc.

Analysis of Effective Routing Protocols for Flying Ad-Hoc Networks

2020 ◽  
Vol 3 (2) ◽  
pp. 1-18 ◽  
Author(s):  
Sudesh Kumar ◽  
Abhishek Bansal ◽  
Ram Shringar Raw
Keyword(s):  
Routing Protocol ◽  
Ad Hoc Network ◽  
High Speed ◽  
Ad Hoc ◽  
Network Formation ◽  
High Mobility ◽  
Delivery Ratio ◽  
Data Packets ◽  
Hoc Networks ◽  
Networking Technology

Recently, the flying ad-hoc network (FANETs) is a popular networking technology used to create a wireless network through unmanned aerial vehicles (UAVs). In this network, the UAV nodes work as intermediate nodes that communicate with each other to transmit data packets over the network, in the absence of fixed an infrastructure. Due to high mobility degree of UAV nodes, network formation and deformation among the UAVs are very frequent. Therefore, effective routing is a more challenging issue in FANETs. This paper presents performance evaluations and comparisons of the popular topology-based routing protocol namely AODV and position-based routing protocol, namely LAR for high speed mobility as well as a verity of the density of UAV nodes in the FANETs environment through NS-2 simulator. The extensive simulation results have shown that LAR gives better performance than AODV significantly in terms of the packet delivery ratio, normalized routing overhead, end-to-end delay, and average throughput, which make it a more effective routing protocol for the highly dynamic nature of FANETs.

scholarly journals Efficient Heuristic Based on Clustering Approach for OLSR

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Ali Choukri ◽  
Ahmed Habbani ◽  
Mohamed El Koutbi
Keyword(s):  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Delivery Ratio ◽  
Dynamic Nature ◽  
End To End Delay ◽  
Delay Control ◽  
Clustering Approach ◽  
Mobile Ad Hoc

Due to the dynamic nature of mobile ad hoc network (MANET), the quality of service (QoS) requires several improvements. The present papercomeswithin the framework of research to optimize QoS in MANET. In this paper, we propose a novel version of OLSR based on the clustering approach which is inspired from Lin and Chu heuristic and adapted to beimplemented inOLSR. We studied its stability and we compared its performances to those of standard OLSR. The metrics we used in evaluating network performances were average end-to-end delay, control routing overhead, and packet delivery ratio. Experimental results show that our alternative significantly reduces the traffic reserved to monitoring the network, which positively influences other performances such as throughput, delay, and loss.

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