scholarly journals AUV Link Mobile Ad-Hoc Network Examination

2019 ◽  
Vol 8 (5S3) ◽  
pp. 512-517 ◽  
Keyword(s):  
Communication System ◽  
Communication Systems ◽  
Communication Channel ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Pulse Interval ◽  
Digital Pulse ◽  
Mobile Ad Hoc ◽  
Parametric Approximation ◽  
Self Organizing

Wireless optical communication systems allow reliable communication in the ultraviolet (UV) range, and protected from intentional suppression and interception, both in the presence and in the absence of direct visibility between the transmitter and the receiver. Currently, the actual and insufficiently explored direction is the development and research of mobile ad-hoc networks (MANET) with a UV communication channel. To analyze the capacity of a mobile network of UV communications with different spatial orientation of network nodes, it is necessary to take into account not only their coordinates and elevation angles but also azimuths. NLOS UV bandwidth models have been developed using three types of modulation: on-off keying (OOK), pulse-phase modulation (PPM), digital pulse interval modulation (DPIM) with a different number of guard intervals. The noted advantages of DPIM, which are most important for the implementation of a mobile self-organizing network with a UV channel, are: it does not require symbolic synchronization of the transmitter and receiver, it requires a smaller frequency band compared to PPM, it has a higher energy efficiency compared to OOK. A parametric approximation of losses in the NLOS UV channel has been performed, taking into account the azimuthal deviations of the transmitter and receiver for specific parameters of the communication system. Has been done a performance simulation of the MANET network with an ultraviolet communication channel Has been calculated values of the bit error rate (BER), and bit rate for a system with different types of modulation with low, medium, and high noise levels in the channel. With the use of parametric approximation of losses in the channel, are analyzed the BER and the bitrate of the UV communication system with an azimuthal deviation within 30 degrees. Based on the obtained simulation results, prospects for the further development of mobile self-organizing networks with a UV channel are indicated to improve their reliability and performance.

scholarly journals Mobile Ad Hoc Network in Disaster Area Network Scenario: A Review on Routing Protocols

2021 ◽  
Vol 17 (03) ◽  
pp. 49
Author(s):  
Zhiyan A. Younis ◽  
Adnan Mohsin Abdulazeez ◽  
Subhi R. M. Zeebaree ◽  
Rizgar Ramadhan Zebari ◽  
Diyar Qader Zeebaree
Keyword(s):  
Ad Hoc Networks ◽  
Mobile Ad Hoc Networks ◽  
Routing Protocols ◽  
Communication System ◽  
Ad Hoc Network ◽  
Communication Systems ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Mobile Ad Hoc ◽  
Hoc Networks

Disasters could cause communication systems partially or completely down. In such a case, relief operations need a rapidly deployed communication system to save lives. Exchanging information among the rescue team is a vital factor to make important decisions. Communication system required to be robust to failures, rapidly deployable, easily maintainable to provide better services. Wireless ad-hoc networks could be the choice of establishing communication with the aid of existing infrastructure in a post-disaster case. In order to optimize mobile ad-hoc network performance, address the challenges that could lead to unreliable performance is required. One and most crucial key challenge is routing information from a sender to receiver. Due to the characteristics of a disaster environment such as signal attenuation, communication links exist between rescue crew is short-lived, suffer from frequent route breakage, and may result in unreliable end-to-end services. Many routing protocols have been proposed and evaluated in different network environments. This paper presents the basic taxonomy of Mobile Ad Hoc Networks and the state of the art in routing categorizes (Proactive, Reactive, Geographic-aware and Delay tolerant Networks (DTN)). The comparison of existing routing protocols in Mobile Ad-Hoc Networks indicates that overhead in Proactive and Geographic is competitive with delay in Reactive and DTN routing.

scholarly journals Security with respect to MANET (Mobile Ad-hoc Network) and IoT (Internet of Things)

2017 ◽  
Vol 10 (1) ◽  
pp. 82-85
Author(s):  
Vikram Agrawal
Keyword(s):  
Value Chain ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Data Transfer ◽  
Dynamic Network ◽  
Global Business ◽  
Internet Users ◽  
Mobile Ad Hoc ◽  
Self Organizing

MANET is self organizing, decentralized and dynamic network. In which participating nodes can move anywhere. The nodes can be host or router anytime [1]. Mobile ad hoc network is decentralized network so if one node is participating as router for particular time but if that node leave network then it is very difficult to transfer data packets. The main feature of MANET network of self organizing capability of node has advantage and disadvantage as well. By this it is easy to maintain network and convert topology but at same time we need to tolerate data transfer. The MANET is also used for big network and internet but there is no smart objects like IoT which can share information machine to machine. Now rapidly increase internet users worldwide to access global information and technology [2]. IoT is basically used to converge applications and services to open global business opportunities which can use I-GVC (Information-driven Global Value Chain) for efficient productivity.

scholarly journals Performance analysis of MIMO communication system with NLOS UV channel

2020 ◽  
Vol 12 (4) ◽  
pp. 91
Author(s):  
Gleb Sergeevich Vasilyev ◽  
Oleg R. Kuzichkin ◽  
Dmitry I. Surzhik
Keyword(s):  
Performance Analysis ◽  
Communication System ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Spatial Multiplexing ◽  
Line Of Sight ◽  
Solar Blind ◽  
Mobile Ad Hoc ◽  
Non Line Of Sight

Performance analysis is carried out, of a multiple input, multiple output (MIMO) ultraviolet (UV) communication system with a non-line-of-sight (NLOS) UV channel. The achievable bit error coefficient is calculated using three spatial multiplexing methods for different bitrate values, azimuthal deviation between the directional diagrams of an optical transmitter and an optical receiver, and different noise levels. Full Text: PDF ReferencesZ. Xu, B. Sadler, "Ultraviolet communications: potential and state-of-the-art", IEEE Commun. Mag. 4667-73 (2009). CrossRef D. Han, Y. Liu, K. Zhang et al., "Theoretical and experimental research on diversity reception technology in NLOS UV communication system", Opt. Expr. 20(14), 15833 (2012). CrossRef Q. Guo, N. He, Z. He, "Research on the channel performances and transmission in UV-LED scatter communications", Study Opt. Comm. 3, 64 (2013). DirectLink G. Chen, L. Liao, Z. Li et al., "Experimental and simulated evaluation of long distance NLOS UV communication", Communication Systems, Networks and Digital Signal Processing (CSND-SP), 9th Int. Symp. on IEEE, 904-909 (2014). CrossRef M.A. El-Shimy, S. Hranilovic, "Spatial-Diversity Imaging Receivers for Non-Line-of-Sight Solar-Blind UV Communications", J. Lightwave Techn. 33(11), 2246 (2015). CrossRef G. Shaw, M. Nischan, M. Iyengar, S. Kaushik, M. Griffin, NLOS UV communication for distributed sensor systems, Proc. SPIE 412683, 96 (2000). CrossRef I.S. Konstantinov, G.S. Vasyliev, O.R. Kuzichkin, D.I. Surzhik, I.A. Kurilov, S.A. Lazarev, "AUV Link Mobile Ad-Hoc Network Examination", J. Eng. Adv. Techn. 8(5S) July 2019 CrossRef I.S. Konstantinov, G.S. Vasilyev, O.R. Kuzichkin, I.A. Kurilov, S.A. Lazarev, "Modeling and Analysis of the Characteristics of Ultraviolet Channels under Different Conditions of Radiation Propagation for the Organization of Wireless AD-HOC Network", J. Adv. Res. Dynam. Contr. Syst. 07, 1853 (2018) DirectLink I.S. Konstantinov, G.S. Vasyliev, O.R. Kuzichkin, D.I. Surzhik, I.A. Kurilov, S.A. Lazarev, "Development Of Uv Communication Channels Characteristics Modeling Algorithm In A Mobile Ad-Hoc Network", J. Adv. Res. Dynam. Contr. Syst. 11(08), 1920 (2019). CrossRef G. Chen, F. Abou-Galala, Z. Xu, B.M. Sadler, "Experimental evaluation of LED-based solar blind NLOS communication links", Opt. Expr. 16(19), 15059 (2008). CrossRef

An Adaptable Secure Scheme in Mobile Ad hoc Network to Protect the Communication Channel From Malicious Behaviours

2021 ◽  
Vol 16 (3) ◽  
pp. 54-73
Author(s):  
Srilakshmi R. ◽  
Jaya Bhaskar M.
Keyword(s):  
Ad Hoc Network ◽  
Communication Channel ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Multipath Routing ◽  
Routing Overhead ◽  
Digital World ◽  
Proposed Model ◽  
Mobile Ad Hoc ◽  
Packet Drop

Mobile ad-hoc network (MANET) is a trending field in the smart digital world; it is effectively utilized for communication sharing purposes. Besides this communication, it has numerous advances like a personal computer. However, the packet drop and low throughput ratio became serious issues. Several algorithms are implemented to increase the throughput ratio by developing multipath routing. But in some cases, the multipath routing ends in routing overhead and takes more time to transfer the data because of data load in the same path. To end this problem, this research aimed to develop a novel temporary ordered route energy migration (TOREM). Here, the migration approach balanced the data load equally and enhanced the communication channel; also, the reference node creation strategy reduced the routing overhead and packet drop ratio. Finally, the outcome of the proposed model is validated with recent existing works and earned better results by minimizing packet drop and maximizing throughput ratio.

An Integrated Wireless Communication System for Remote Pastoral Areas in Tibet

2013 ◽  
Vol 427-429 ◽  
pp. 2313-2316
Author(s):  
Cao Huang ◽  
Xiao Jun Guo ◽  
Ze Guo Liu
Keyword(s):  
Wireless Communication ◽  
Mobile Communications ◽  
Communication System ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Data Services ◽  
Wireless Communication System ◽  
Mobile Ad Hoc ◽  
Voice Message

To support mobile communications in remote pastoral areas of Tibet effectively, this paper proposes an integrated wireless communication system including mobile ad hoc network (MANET), wireless senor network (WSN), cellular network and Beidou satellite network. The overall integrated wireless communication system and the relevant elements are described specifically. The proposed system can help to reduce the network deployment cost and provide voice, message and low rate data services.

scholarly journals PENGEMBANGAN APLIKASI KOMUNIKASI PADA PERANGKAT ANDROID BERBASIS JARINGAN MANET UNTUK PENANGGULANGAN DAERAH BENCANA

2016 ◽  
Vol 3 (1) ◽  
Author(s):  
Ahmad Sabiq
Keyword(s):  
Natural Disaster ◽  
Mobile Devices ◽  
Communication System ◽  
Ad Hoc Network ◽  
Mobile Application ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Data Transfer ◽  
Network Infrastructure ◽  
Mobile Ad Hoc

A communication system without network supporting is needed to resolve the paralyzed network and communication infrastucture caused by natural disaster. MANET (Mobile Ad-Hoc Network) is a network consisting of several mobile devices that communicates through wireless network without router. Mobile devices are not only used for voice and data transfer, but also as a router. This research develops a mobile application based on MANET that can communicate without network infrastructure. It can be used when the natural disaster damages the network infrastructure. The testing result shows the application, that runs under android platform, can communicate well in MANET network.Key Word: Ad-hoc network, manet, disaster recoveryPada kondisi bencana alam yang menyebabkan infrastruktur jaringan dan komunikasi lumpuh, dibutuhkan sebuah sistem komunikasi yang mampu digunakan tanpa adanya infrastruktur jaringan. Jaringan MANET (Mobile Ad-Hoc Network) merupakan jaringan yang terdiri dari beberapa perangkat bergerak yang berkomunikasi melalui jaringan nirkabel tanpa router yang secara khusus disediakan, sehingga semua perangkat bergerak yang digunakan selain berfungsi sebagai alat untuk komunikasi dan pertukaran data, juga berfungsi sebagai perantara komunikasi atau router. Pada penelitian ini, dibuat sebuah aplikasi untuk melakukan komunikasi pada perangkat android melalui jaringan tanpa infrastruktur berbasis MANET yang dapat digunakan pada penanggulangan bencana yang mengakibatkan lumpuhnya sarana jaringan dan komunikasi. Dari hasil pengujian, aplikasi yang telah dibuat dapat digunakan untuk berkomunikasi pada perangkat android berbasis jaringan MANET.Kata Kunci: Jaringan ad-hoc, manet, penanggulangan bencana

Mobile Ad Hoc Network

2011 ◽  
pp. 601-607
Author(s):  
Subhankar Dhar
Keyword(s):  
Ad Hoc Network ◽  
Large Scale ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Mobile Nodes ◽  
Communication Infrastructure ◽  
Mobile Ad Hoc ◽  
Wireless Mobile ◽  
Self Organizing

A mobile ad hoc network (MANET) is a temporary, self-organizing network of wireless mobile nodes without the support of any existing infrastructure that may be readily available on conventional networks. It allows various devices to form a network in areas where no communication infrastructure exists. Although there are many problems and challenges that need to be solved before the large-scale deployment of an MANET, small and medium-sized MANETs can be easily deployed.

Sign in / Sign up

Export Citation Format

Share Document