Multi-transceiver simulation modules for free-space optical mobile ad hoc networks

Bilgi, Mehmet; Yüksel, Murat

doi:10.1117/12.851756

Cited by 12 publications

(12 citation statements)

References 13 publications

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“…The performance of the Cross‐layer based Reconfigurable Hierarchical Routing Protocol (CRHRP) is evaluated through NS‐2 simulation . Realistic simulation modules are developed to analyze the characteristics of multi‐transceiver FSO MANET . It consists of multi‐transceiver mobile wireless nodes simulated in NS‐2, practical obstacles in the medium and communication between optical transceivers…”

Section: Simulation Resultsmentioning

confidence: 99%

“…13 Realistic simulation modules are developed 20 to analyze the characteristics of multi-transceiver FSO MANET. 21 It consists of multi-transceiver mobile wireless nodes simulated in NS-2, practical obstacles in the medium and communication between optical transceivers. 22,23 The FSO extension to NS-2 is used to run the simulation, which includes the following features:…”

Section: Simulation Parametersmentioning

confidence: 99%

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Reconfigurable routing protocol with optical sphere in FSO MANET

Balamurugan¹,

Chitra

Jawahar

2018

Concurrency and Computation

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Summary In Free Space Optic Mobile Ad hoc Networks (FSO MANET), during data transmission through hierarchical routing protocol, the route failure may either occur if the node has expired due to energy drain or if the node is not positioned with the succeeding hop node owing to mobility. To circumvent these obstacles, in this work, a cross layered reconfigurable protocol for routing with multiple transceivers called as optical sphere in FSO MANET is developed in NS‐2. In this protocol, the nodes are clustered, and the cluster head is selected using network source connector. If any of the cluster member expire due to energy drain and if the alternate path is not available in the routing table, then the source will perform route reconfiguration to change the orientation and transmission radius of the node resulting in direct transmission of packet to cluster head. During data transmission through re‐configured route, if the node interface is positioned with respect to the succeeding hop node, then the packet can be delivered. Otherwise, per‐flow buffer algorithm is used for re alignment. Results simulated show that the proposed protocol surpasses the existing works in terms of delay, delivery ratio, and residual energy.

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Section: Simulation Resultsmentioning

confidence: 99%

Section: Simulation Parametersmentioning

confidence: 99%

Reconfigurable routing protocol with optical sphere in FSO MANET

Balamurugan¹,

Chitra

Jawahar

2018

Concurrency and Computation

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“…Using equations (16), (17) and receiver array radius J RA we determine the BII: (15) and (19) in equation (3) yields the alignment coefficient for a single-tixel flat transmitter and multi-rixel flat receiver configuration with beam divergence into effect. The lit tixel is located at the center of transmitter array.…”

Section: Flat Transmitter Flat Receiver Modelmentioning

confidence: 99%

“…(16) can be replaced with Eq. (20) and equations (17) through (19) can then be rewritten respectively as: ' ' '…”

Section: Flat Transmitter Flat Receiver Modelmentioning

confidence: 99%

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Multielement FSO Transceivers Alignment for Inter-UAV Communications

Kaadan

Refai

LoPresti

2014

J. Lightwave Technol.

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Given the increased interest in aerial communications, Free-space Optics (FSO) has gained considerable attention for its ability to deliver wider bandwidth, license-free and secure communication. FSO was initially developed for fixed platforms. As such, the current push to introduce mobility is one of the greatest challenges for FSO developers. This paper presents the first open-loop alignment/stability analysis of hovering multirotors proven to maintain an FSO link despite inherent instability. Communication distance, wavelength, and platform deviation are among the many parameters evaluated in our model. We characterize fiber-bundle transceivers, as an example of optical arrays, and their applicability to aerial FSO communication. Our simulation is based on static lab measurements combined with theoretical analysis and optical geometrical intersection models. Analyses indicated that rotational deviation has a much higher impact on performance than translational deviation. Current commercial multirotor platforms proved adequate for future FSO communication, with 16 to 30% expected throughput when employing suitable optical arrays. We conducted a parametric sweep test to determine optimal and marginal receiver parameters based on platform characteristics and performance metrics. This analysis was conducted and reported as one example of the many applications that our developed mathematical models support.

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Dir-DREAM: Geographical Routing Protocol for FSO MANET

Devi

Sarje

2015

Intelligent Distributed Computing

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Multi-transceiver simulation modules for free-space optical mobile ad hoc networks

Cited by 12 publications

References 13 publications

Reconfigurable routing protocol with optical sphere in FSO MANET

Reconfigurable routing protocol with optical sphere in FSO MANET

Multielement FSO Transceivers Alignment for Inter-UAV Communications

Dir-DREAM: Geographical Routing Protocol for FSO MANET

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