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Since its definition, RPL (the IPv6 Routing Protocol for Low-Power and Lossy Networks) has been emerging as the standard protocol for routing in Internet of Things (IoT) solutions. RPL is a proactive routing protocol that performs the process of route creation based on Objective Functions (OFs). The OFs are responsible for defining rules and constraints to select the best paths considering different...
The advance of technology in wireless sensor networks is increased nowadays. In this network, minimizing the battery consumption is most enormous challenge. For reliable data transmission, effective routing is required. In this work, an efficient node infirmity tracking scheme with stable supportive route for reliable data transmission is proposed. Problem Statement: Sensor nodes sense the data and...
With the further development and utilization of space resource, space communications nowadays are increasingly becoming irreplaceable networking technologies for highresolution earth observation, satellite navigation and deep space exploration where big data is produced. This has created great challenges in ensuring the security and reliability of some sensitive data. In order to solve some problems...
Underwater Wireless Sensor Network (UWSN) is emerging lots of attention due to its various types of characteristics and applications. Distinctive underwater characteristics leads to many challenges such as-high propagation delay, data losses, nodes mobility, localization, nodes deployment while designing any reliable and efficient routing protocol. In this paper, an extension of CDBR (Forwarding nodes...
For data center networks (DCNs), it is very important to perform multicast transmission reliably. However, due to packet loss in DCNs, not only the reliability of data transmission should be guaranteed, but also the network throughput should be maintained stably. To this end, in this paper, we design a multicast fat-tree data restoration strategy (MRDC). The advantage of MRDC is that it can haul back...
Multipath interference or route coupling is a severe issue in multipath routing schemes of wireless sensor networks. Due to that, quality of data transmission is impossible in wireless sensor network (WSN) or heterogeneous wireless sensor network (HTWSN). Multipath routing is having many features over single path routing, but it is highly prone to multipath interference. The existing multipath routing...
This paper proposes PBRR and Blowfish algorithms to achieve three factors in one dimensional (1-D) queue network. These factors are network lifetime, increased packet delivery ratio and average residual energy. Network lifetime is defined as amount of time the nodes are awake in the network. Packet delivery ratio is defined as ratio of number of packets received by destination to the number of packets...
In challenged networks, such as opportunistic networks or Delay Tolerant Networks (DTNs), due to frequent network partition an end-to-end connection between source and destination may not always be possible due to nodes move unpredictably with high speeds. For such type of networks, traditional routing protocols fails to transmit and also no guarantee on delivery of data to specified destination because...
Underwater sensor networks (USNs) has many characteristics different from terrestrial wireless sensor networks (WSNs), such as dynamic network topology, unreliable acoustic communication, which increases the difficulty in energy efficiency and reliability of data transmission, for traditional WSN protocols are not suitable for underwater acoustic sensor networks (UASNs). Vector based forwarding (VBF)...
Vector based forwarding (VBF) routing protocol is a location-based energy efficient routing protocol designed for underwater acoustic sensor networks (UASNs). In this paper a VBF-improved routing protocol is proposed, which uses not only the information of location but also the residual energy and the number of retransmission in last cycle to make decision whether to make data forwarding. According...
In order to increase the network latency and resolve the security bottlenecks induced by the camouflaged malicious nodes in Wireless Sensor Networks, the residual energy and trust values are used to form a secured clustering, the network lifetime is increased by using the backup nodes in order to distribute the load among the secured clusters and reliable multipath node disjoint route discovery algorithm...
In this paper, a reliable routing protocol for underwater acoustic sensor networks is proposed, which uses both the information of position and residual energy of intermediate node to make decision of data forwarding. Compared to previous vector-based routing protocol, evenly energy consumption and more reliable data transmission are provided.
To solve the problem of congestion which often occurs in the process of the large data transmission in large-scale wireless senator networks, a multipath routing protocol based on congestion control mechanism implemented by cross-layer design concept is proposed. Realizing the multipath routing protocol on the basis of AODV protocol, congestion control mechanism with active congestion avoidance, real-time...
Technology enhancement makes the computing available everywhere and provides access to widely distributed resources which is known as Mobile Computing. Mobile computing enables innovative applications through the sharing of computing resources among mobile devices such as notebook, smart phones and Personal Digital Assistant (PDAs) without any pre-existing infrastructure. Mobile computing includes...
Diversified applications of wireless sensor networks demand reliable data transmission, which generally experiences limited performance owing to the inherent resource constraints of sensor nodes. Estimated round trip time is one of the prominent aspects of reliable transmissions that possesses a potential to enhance the performance sustaining the resource constraints. Therefore, we have already proposed...
WSNs hold the promise of many new applications that require the network to handle traffic with different priority levels and QoS requirement in an energy efficient way while avoiding collisions and interference. In this paper, we investigate several aspects related to the application requirements and the network states and resources in order to provide multi-QoS routing protocol for WSNs. We propose...
Our developed protocol Energy Aware Mesh Routing EMRP is a robust, cluster-based routing technique used in Wireless Sensor Network (WSN). It can provide a reliable, scalable, energy efficient multipath routing mechanism for data transmission to Base Station (BS). This scheme is also classified as a routing technique supporting virtualization WSN (VSN) as it can share network resources between different...
Multi-Channel Multi-Radio (MCMR) Wireless Mesh Networks (WMNs) have emerged as a new paradigm in multi-hop wireless networks. In a typical MCMR WMNs, each node has multiple radios with multiple available channels on each radio, which allows nodes to have simultaneous transmissions and receptions. Therefore, network performance is improved. As a key technology in WMNs, reliable broadcast can provide...
In the application of wireless sensor networks (WSNs), energy efficiency is always an important topic for extending the network lifetime. Scheduling the operation modes of sensors can reduce the energy wasted by redundant sensors, but frequent alterations of sensors' modes and different data transmission routes influence the reliability of the WSN. In this paper, a novel algorithm for maximizing the...
Routing methods and algorithms in "Wireless Sensor Networks" attract researchers' attention a lot recently. In order to find the optimal path in WSNs depending on their type and application, various algorithms are proposed. In this paper, an optimal path finding algorithm based on "Game Theory" is discussed and improved. This algorithm finds a path witch is optimizing network lifetime,...
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