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Multiple routing metrics have been proposed for maximizing throughput or guaranteeing reliable delivery of the data. Some of the most common used metrics, neglect the bursty behavior of the channel. A new metric improve this by taking burstiness into account. This creates a burst estimation of all links and allocates the maximum number of required slots in worst-case. Even though this is a solution...
The routing algorithms for wireless sensor networks (WSN) are in process of optimization for addressing issues like energy conservation, delay and throughput in presence of limited resources in terms of memory, CPU processing power and power source (batteries). Although, it has not been possible to date, a development of routing algorithm addressing all the issues of WSN. Various tradeoffs exists...
In the past few years, the Internet of Things is driving the need for extending the Internet to constrained devices, including sensors and actuators. The IPv6 Routing Protocol for Low power and lossy networks (RPL) is appearing as an emerging IETF standard especially tailored for Low Power Area Networks (6LoWPAN). RPL constructs a Directed Acyclic Graph (DAG) according to an objective function that...
In the service oriented, customer experience centric and customer changing demand driven market environment, ICT is becoming the leading enabler and partner of the modern enterprise business. More and more companies are transformed into more or pure digital style and virtual organized enterprises that are enabled and supported by a group of business oriented and microservice based applications and...
In this paper, we propose a spectrum map aided routing protocol for a distributed cognitive radio network. We assume the presence of dedicated sensors that capture the spatio-temporal spectrum usage statistics to create the radio environment map. We exploit the map to find not only the best hops along a route but also the best available channel in terms of the expected performance. Through the use...
In Wireless Sensor Networks (WSNs), routing remains a key issue primarily regarding to the overall energy consumption. Accordingly, the energy conservation has been addressed by a few strategies, namely cluster-based hierarchical routing protocols. Nevertheless, the load balancing and the network lifetime achieved by such strategies strongly depend on the even distribution of the cluster-heads in...
In this paper, we propose Wall Pass Algorithm (WPA). WPA presents a function to forward the messages to a neighboring area. We evaluate the performance of a geographic location-based distributed routing (GDR) system when the mobile terminals are moving. The results show that GDR and CAN have the same mean and the variance of the path length and the relay length when storing data, while the mean and...
In recent years, Wireless Sensor Networks (WSNs) have become valuable assets to both the commercial and military communities with applications ranging from industrial control on a factory floor to reconnaissance of a hostile border. In both applications, the sensors act as data sources and forward information to a central sink or base station (BS). The unique role of the BS makes it a natural target...
In Wireless Sensor-Actor Networks (WSANs), sensors probe their surroundings and send their data to more capable actor nodes in order to execute an application task. The actors' response is mostly collaborative and requires them to coordinate their operation. Therefore, a strongly connected inter-actor topology would be necessary at all time and tolerance of an actor failure becomes a design requirement...
This paper proposes a geographic location-based distributed routing (GDR) system. GDR system is a structured distributed information lookup and routing (SDILR) system that provides information lookup, based on the geographic latitude and longitude coordinates, where each node is given the coordinates as an identifier (ID) and manages an overlay routing table. We generate an ID to reflect the geographical...
A wireless mesh network (WMN) has been popularly researched as a wireless backbone for Internet access with off-the-shelf and inexpensive equipments. Nowadays, several applications like contents sharing, multicast video streaming, vehicular networks encourage to build mesh networks in urban areas. However, the deployment of WMNs in unlicensed bands of dense urban areas imposes many challenges. While...
In energy-limited wireless sensor networks, network clustering and sensor scheduling are two efficient techniques for minimizing node energy consumption and maximizing network coverage lifetime. When integrating the two techniques, the challenges are how to select cluster heads and active nodes. In this paper, we propose a coverage-aware clustering protocol. In the proposed protocol, we define a cost...
In this paper, a new adaptive compressed sensing algorithm for Wireless Sensor Network (WSN) was proposed. Power efficiency is an important requirement in WSN, however, measurement matrix used in classical compressed sensing is always dense, which can not satisfy this constraint. In the proposed algorithm, a new metric named total coefficients power is defined to guide the node selection to build...
In this paper, the characteristics of network link quality is investigate under the condition of human movement. A new routing metric called dynamic neighbor quality threshold is introduced, which can reflect the dynamic changes of human behavior into traditional routing metric schemes to make the choice of routing path be more sensitive to link changes caused by human behavior. This can be achieved...
Lifetime-maximization is the critical concern for wireless sensor networks (WSNs). We notice that two common issues in existing routing schemes for WSNs are that (1) a path may traverse through a fixed set of sensors, draining out their energy quickly, and (2) packet retransmissions over an unreliable link of any fixed-path may consume energy significantly. In this paper, we exploit two natural advantages...
The article proposes HybridLQI to improve the performance of MultihopLQI in the asymmetrical wireless links sensor networks. Every node can maintain the number of messages it sends to each of its neighbours and how many of them are acknowledged, the packet loss percentage over the links can be calculated. Link Quality Indicator (LQI) is used to estimate the downlink channel. Therefore, without adding...
Routing in resource-constrained networks is a challenging task. Due to the complexity concerning resource constraints in terms of bandwidth utilization, energy consumption and latency, typical routing algorithms work poorly in such networks. Therefore, ant-based algorithms are used to address the problem. Among them, AntNet has shown promising performance results. This paper proposes and presents...
In this paper, we propose a routing protocol for wireless sensor networks based on a two-level, zone-based architecture. DV is applied in both intra-zone and inter-zone routing, based on the hop metric. Our solution is original because it is instrumentation-free (sensors are both localization and energy unaware) and completely distributed. We show performances of the proposed algorithm evaluating...
In this paper, we propose a novel dynamic routing strategy called tunnel routing that enables efficient and resilient data forwarding from sensors to a destination in wireless sensor networks. Instead of establishing a single static path, tunnel routing identifies a set of trusted sensor nodes that form a tunnel between the source and the destination. Terminals in the tunnel cooperate with each other...
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