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...ng the main routing protocols proposed for Mobile Ad hoc NETworks (MANETs), we have the Ad hoc On Demand Distance Vector (AODV) routing [8] and [9] and the Temporally Ordered Routing Algorithm (TORA) =-=[10]-=-. Both are examples of demand-driven algorithms that eliminate most of the overhead associated with table update in high-mobility scenarios. However, the path discovery phase incurs in high energy cos...

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...is controlled mobility, which is used by nodes to reach specific locations, then, for energy efficiency matters, it is convenient to use a table-driven system. Another interesting routing protocol is =-=[6]-=-, where the minimum metric paths are based on two different power metrics: • • Minimum energy per packet Minimum cost per packet However, this routing algorithm does not take into account the mobility...

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... been a hot research topic of the robotics community for many years. It concerns the motion coordination of a group of robots for a common objective, typically the coverage of a geographical area. In =-=[23]-=-, the authors consider the problem of deploying a mobile sensors network composed of a distributed collection of nodes equipped with locomotion capability. Such mobile nodes use their ability to move ...

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...ly, they did not take into account the delay in their work. The research community investigated throughly the delay-throughput tradeoff and some interesting results have been obtained. In fact, Gamal =-=[17]-=- determined the throughput-delay trade-off in a fixed and mobile ad hoc network. He showed that, for n nodes, the following statement holds D(n) = Ω(nT(n)), where D(n) and T(n) are the delay and the t...

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....11 wireless capabilities can be added to a sensor network in order to act as wireless hubs [1]. Load balancing through controlled mobility in wireless sensor networks is studied by Luo and Hubaux in =-=[2]-=-. The nodes closest to the base station are the bottleneck in the forwarding of data. A base station, which moves according to an arbitrary trajectory, continuously changes the closest nodes and solve...

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...Networks (WSNs) and only the base station is mobile. Among the main routing protocols proposed for Mobile Ad hoc NETworks (MANETs), we have the Ad hoc On Demand Distance Vector (AODV) routing [8] and =-=[9]-=- and the Temporally Ordered Routing Algorithm (TORA) [10]. Both are examples of demand-driven algorithms that eliminate most of the overhead associated with table update in high-mobility scenarios. Ho...

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...t mobility of some nodes, in order to design a routing algorithm that allows high throughput with low delays, where the delay depends on the nodes’ mobility, while the throughput is independent of it =-=[18]-=-. De Moraes [19] showed that there is a trade-off among mobility, capacity and delay in ad hoc networks. A first step in taking advantage of the possibilities that mobility introduces has been made by...

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... Sensor Networks (WSNs) and only the base station is mobile. Among the main routing protocols proposed for Mobile Ad hoc NETworks (MANETs), we have the Ad hoc On Demand Distance Vector (AODV) routing =-=[8]-=- and [9] and the Temporally Ordered Routing Algorithm (TORA) [10]. Both are examples of demand-driven algorithms that eliminate most of the overhead associated with table update in high-mobility scena...

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... nodes routing tables are updated with link state and trajectory information, which are received from other nodes. The problem of routing related to the predictable mobility has also been analyzed by =-=[22]-=-. In this work, paths are created by the movements of nodes, which will deliver the message they are carrying when they find other suitable nodes. The space-time routing framework it proposed leverage...

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...rol the path of movement and the surrounding environment. The robot can be equipped with3 sensors for detecting distances and obstacles. Another work worth mentioning has been conducted by Kansal in =-=[5]-=-. The authors do not present an algorithm for the optimization of some parameters, instead they propose Morph as a new vision of sensor networking, where controlled mobility is considered as an additi...

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...robot could act as a gateway to the sensor network and perform calibration tasks. An interesting application of sensor devices with mobile robots, related to coverage, is for people with disabilities =-=[3]-=- and [4]. In fact, technical devices, such as mobile robots can aid personal assistance. A mobile robot requires a sensing system in order to control the path of movement and the surrounding environme...

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...n terms of network performance as throughput, data delay and energy spent per packet, by explicitly exploiting mobility capabilities of the wireless devices. Previous analytical results formulated in =-=[11]-=-, [12] and [13] suggests that controlled mobility of nodes helps to improve network performance. Based on these results, we consider jointly controlled mobility and routing strategies. We perform simu...

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...trolled mobility to reduce power consumption realized by Intel, that showed as a few motes equipped with 802.11 wireless capabilities can be added to a sensor network in order to act as wireless hubs =-=[1]-=-. Load balancing through controlled mobility in wireless sensor networks is studied by Luo and Hubaux in [2]. The nodes closest to the base station are the bottleneck in the forwarding of data. A base...

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...uld act as a gateway to the sensor network and perform calibration tasks. An interesting application of sensor devices with mobile robots, related to coverage, is for people with disabilities [3] and =-=[4]-=-. In fact, technical devices, such as mobile robots can aid personal assistance. A mobile robot requires a sensing system in order to control the path of movement and the surrounding environment. The ...

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...covered by the network. Their approach is based on a potential-field approach and nodes are treated as virtual particles, subject to virtual forces. The concept of controlled mobility is also used by =-=[24]-=- by considering a hybrid network with both static and mobile nodes, which fully exploits the movement capability of the sensors. In [7] authors consider jointly mobility and routing algorithms, but th...

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...s of network performance as throughput, data delay and energy spent per packet, by explicitly exploiting mobility capabilities of the wireless devices. Previous analytical results formulated in [11], =-=[12]-=- and [13] suggests that controlled mobility of nodes helps to improve network performance. Based on these results, we consider jointly controlled mobility and routing strategies. We perform simulation...

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...ork performance as throughput, data delay and energy spent per packet, by explicitly exploiting mobility capabilities of the wireless devices. Previous analytical results formulated in [11], [12] and =-=[13]-=- suggests that controlled mobility of nodes helps to improve network performance. Based on these results, we consider jointly controlled mobility and routing strategies. We perform simulations through...

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...ition on the straight line between the source and the destination. When each relay node knows its position, the optimal configuration of relay nodes for an active flow is established as in [11] and4 =-=[15]-=-. It is worth to note that in this case the solutions found in [11] and [15] are the same, because the initial energy of nodes is the same. In practice, the nodes will reach the evenly spaced position...

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...me nodes, in order to design a routing algorithm that allows high throughput with low delays, where the delay depends on the nodes’ mobility, while the throughput is independent of it [18]. De Moraes =-=[19]-=- showed that there is a trade-off among mobility, capacity and delay in ad hoc networks. A first step in taking advantage of the possibilities that mobility introduces has been made by the research co...

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...nsor networks considers sink movement based on random mobility. However, the trajectories of the sink, in many practical applications, can be determined in advance. Based on these considerations, Lee =-=[20]-=- proposed a predictable mobility-based algorithm, which uses the existing dissemination protocols and it is based on the random mobility-based communication paradigm. He showed the improvements and th...

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...table mobility-based communication paradigm as the energy consumption decreases and the network lifetime increases. Predictable mobility of nodes has also been exploited to help in packets delivering =-=[21]-=-. In this work, nodes routing tables are updated with link state and trajectory information, which are received from other nodes. The problem of routing related to the predictable mobility has also be...