Range-Free
Detection and Prevention of Wormholes Based on Range-Free Localization Scheme
... Mobile ad-hoc networks (MANET) are particularly vulnerable to a severe attack known as the wormhole attack. A few existing protocols detect wormhole attacks but they require special hardware. This research paper aims at ...
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A Hybrid Range-free Algorithm Using Dynamic Communication Range for Wireless Sensor Networks
... hybrid range-free algorithm based on weighted dynamic communication range for WSNs to address poor location accuracy ...communication range based on hop counts to narrow hop size ...
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Research on range free location algorithm for wireless sensor network based on particle swarm optimization
... In order to solve the problem of location error caused by initial value sensitivity of least squares method in the coordinate calculation stage of unknown nodes and bea- con nodes, a range-free location ...
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Multihop range free localization with approximate shortest path in anisotropic wireless sensor networks
... the range-based schemes, range-free localization schemes solve the local- ization problem with network topology ...ventional range-free approaches [9,10] are focused on finding the most ...
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Range free localization using expected hop progress in anisotropic wireless sensor networks
... Unlike range-based algorithms, range-free algorithms, which rely on the network connect- ivity to estimate the positions of regular nodes without any extra hardware supporting, are more ...
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Node Reproduction Based Range-free Localization Algorithm in Wireless Sensor Networks
... dimensional range-free approach which does not need extra hardware requests and the unknown nodes can calculate reproduced node by position information from three- different anchor ...
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Distributed Range Free Localization Algorithm Based on Self Organizing Maps
... as range-based and range-free algorithms. Range-free algorithms utilize only connectivity information and the number of hops between ...
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A Novel Proximity-Based Range-Free Positioning Algorithm for Wireless Sensor Network Nodes
... Abstract—This paper aims to reduce the estimated distance error (EDE) and location error (LE) of hop-based range-free node positioning algorithms. For this purpose, a novel range free ...
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Localization of mobile nodes based on connectivity information
... with range free method, it is preferable for stability and ...this range free two sensor nodes communicate only if their distance is within a certain distance, called the radio ...
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A Survey of Different Localization Algorithms
... This paper secured the different localization algorithm techniques and their issues. The versatility of range based technique is less compared to range free technique. The localization techniques ...
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Improved Accuracy Distribution Localization in Wireless Sensor Networks
... a range free and range based localization algorithm that uses both type of antenna (directional and omni-directional), it allows sensors determine their location based on the region of intersection ...
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Combined free range piglets and energy crop production: Impact on nitrate leaching
... Integrating free-range pig farming with some selected energy crops particularly willow, poplar and mischanthus has been one proposed approach to improve animal welfare by providing shelter and protection in ...
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Breaking niche sustainable products into the mainstream: Organic milk and free‐range eggs
... contrast, free ‐ range eggs are one of only few examples where products have moved beyond the green niche and firmly entered the mainstream ...of free ‐ range eggs in the UK was 48% (BEIC, ...
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Effects of free range and confined housing on joint health in a herd of fattening pigs
... Lesions range from clinically silent, microscopic changes called osteochondrosis latens, to macroscopically visible retained cartilage called osteochondrosis manifesta, to osteochondrosis dissecans (OCD) [18-20], ...
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Molecular epidemiology of two fowl cholera outbreaks on a free-range Chicken layer farm
... Our work does not provide any evidence on the source of the clone of P. multocida associated with these two outbreaks. It is possible that there is an outside reservoir that periodically results in entry of P. multocida. ...
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The association between Femoral Tilt and impingement free range of motion in total hip arthroplasty
... For analysing the effects of FT on femoral antetorsion and an impingement-free compliant stem/cup position, we used a three-dimensional hip joint model including CAD files of actual implants with specific ...
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Performance and meat quality of suckling calves grazing cultivated pasture or free range in mountain
... Effect of pasture type C= Lowland cultivated pasture and M=Mountain free range and finishing E = early slaughtering directly after end of mountain grazing and F = late slaughtering after[r] ...
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The meat quality of layer males from free range in comparison with fast growing chickens
... (organic, free-range) is in- creasing mainly because these systems can be en- vironmentally friendly, sustaining animals in good health with high welfare standards and resulting in higher quality products ...
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Free Range VHDL: The No-frills Guide to Writing Powerful Code for Your Digital Implementations - Free Computer, Programming, Mathematics, Technical Books, Lecture Notes and Tutorials
... iterations the loop needs to perform. In this case, the loop stops iterating when the terms stated in the condition clause are not met. Using these loops in this manner constitutes a goo[r] ...
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Accurate hydration free energies at a wide range of temperatures from 3D-RISM
... a range of thermodynamic properties as well as struc- tural information about the solvent in a relatively short time (on the order of a few minutes) 14–17 ...
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