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A Wireless Sensor and Actor Network (WSAN) is a group of wireless devices with the ability to sense physical events (sensors) or/and to perform relatively complicated actions (actors), based on the sensed data shared by sensors. This paper presents design and implementation of a simulation system based on Deep Q-Network (DQN) for mobile actor node control in WSANs. DQN is a deep neural network structure...
Mobile computing has many application domains. One important domain is that of mobile applications supporting collaborative work. In a collaborative work, the members of the team has to take decision or solve conflicts in project development (such as delays, changes in project schedule, taskasignment, etc.) and therefore members have to vote. Voting can be done in many ways, and in most works in the...
With the fast development of wireless technologies, Wireless Mesh Networks (WMNs) are becoming an important networking infrastructure due to their low cost and increased high speed wireless Internet connectivity. In this paper, we propose and implement a simulation system based on Particle Swarm Optimization (PSO). We use Size of Giant Component (SGC) and Number of Covered Mesh Clients (NCMC) as metrics...
P2P systems have shown useful to many types of distributed systems due to their features of efficient direct communication among peers. Although initially motivated by the need for efficient file sharing among large amount of peers, P2P techniques have found wide applicability to many domains within large scale distributed systems such as solving complex problems from science and engineering, data...
In this paper, we evaluate the performance of Ad hoc On-Demand Distance Vector (AODV) routing protocol for single and multiple traffic in MANETs. We investigate and compare the packet delivery fraction (PDF) and throughput. As network simulator, we used ns-3 and we considered random waypoint mobility model for different number of nodes and different maximum speed by sending single and multiple traffic...
This paper investigates into the transaction management of mobile web services, which is crucial to maintaining execution correctness of services and consistency of their underlying data. We propose a relaxed set of transaction correctness criteria, called Sacred (Semantic Atomicity, Consistency, Resiliency, Durability) and design protocols for enforcing these criteria in the execution of transactions...
Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. In this paper, we investigate packet loss, routing loss and transport loss in mobile Wireless Sensor Networks (WSNs) considering AODV protocol and different radio models. We compare the simulation results...
In this work, we carry out a comparison evaluation for mobile and static sensor nodes in Wireless Sensor Networks (WSNs) using TwoRayGround propagation model and different protocols. We consider packet-loss and delay metrics to evaluate the performance of WSN. The simulation results have shown that for WSN with mobile sensor nodes, the delay is better than static sensor nodes. In case of static sensor...
Sensor networks are sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. In this paper, we present a comparison evaluation for mobile and static sensor nodes in Wireless Sensor Networks (WNSs) considering TwoRayGround and Shadowing propagation models. The simulation results have...
Event detection is a major issue for applications of wireless sensor networks. In order to detect an event, a sensor network has to identify which application-specific incident has occurred based on the raw data gathered by individual sensor nodes. Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment...
Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. In this paper, we propose a sensor network with mobile and static sensor nodes set-up for performing tasks like sensing a phenomenon or monitoring a region. We investigate how the sensor network performs...
The importance of mobility in networks is being increased together with its number of users and applications. However, we still do not have broadly accepted solutions for mobility in Internet or other type of networks. In particular, mobility is difficult in heterogeneous networks, where heterogeneity could expand over ownership, administration, technology, and so on. We propose for such heterogeneous...
The multicast routing is very important for Mobile Ad hoc Networks (MANET). Though many multicast routing protocol are proposed, we consider ODMRP, which is a mesh based routing protocol. In ODMRP the reliability of the communication can be maintained by putting the relay nodes in the mesh. However, when the network is overloaded the performance of ODMRP is deteriorated. In this research, we try to...
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