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beacon</title> <meta name="description" content="Search results for: BLE beacon"> <meta name="keywords" content="BLE beacon"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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badge-info">7</span> Detecting and Locating Wormhole Attacks in Wireless Sensor Networks Using Beacon Nodes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=He%20Ronghui">He Ronghui</a>, <a href="https://publications.waset.org/search?q=Ma%20Guoqing"> Ma Guoqing</a>, <a href="https://publications.waset.org/search?q=Wang%20Chunlei"> Wang Chunlei</a>, <a href="https://publications.waset.org/search?q=Fang%20Lan"> Fang Lan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper focuses on wormhole attacks detection in wireless sensor networks. The wormhole attack is particularly challenging to deal with since the adversary does not need to compromise any nodes and can use laptops or other wireless devices to send the packets on a low latency channel. This paper introduces an easy and effective method to detect and locate the wormholes: Since beacon nodes are assumed to know their coordinates, the straight line distance between each pair of them can be calculated and then compared with the corresponding hop distance, which in this paper equals hop counts × node-s transmission range R. Dramatic difference may emerge because of an existing wormhole. Our detection mechanism is based on this. The approximate location of the wormhole can also be derived in further steps based on this information. To the best of our knowledge, our method is much easier than other wormhole detecting schemes which also use beacon nodes, and to those have special requirements on each nodes (e.g., GPS receivers or tightly synchronized clocks or directional antennas), ours is more economical. Simulation results show that the algorithm is successful in detecting and locating wormholes when the density of beacon nodes reaches 0.008 per m2.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Beacon%20node" title="Beacon node">Beacon node</a>, <a href="https://publications.waset.org/search?q=wireless%20sensor%20network" title=" wireless sensor network"> wireless sensor network</a>, <a href="https://publications.waset.org/search?q=worm%20hole%20attack." title=" worm hole attack."> worm hole attack.</a> </p> <a href="https://publications.waset.org/3516/detecting-and-locating-wormhole-attacks-in-wireless-sensor-networks-using-beacon-nodes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3516/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3516/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3516/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3516/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3516/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3516/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3516/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3516/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3516/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3516/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3516.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1879</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> A Beacon Based Priority Routing Scheme for Solar Power Plants in WSNs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ki-Sung%20Park">Ki-Sung Park</a>, <a href="https://publications.waset.org/search?q=Dae-Hee%20Lee"> Dae-Hee Lee</a>, <a href="https://publications.waset.org/search?q=Dae-Ho%20Won"> Dae-Ho Won</a>, <a href="https://publications.waset.org/search?q=Yeon-Mo%20Yang"> Yeon-Mo Yang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Solar power plants(SPPs) have shown a lot of good outcomes in providing a various functions depending on industrial expectations by deploying ad-hoc networking with helps of light loaded and battery powered sensor nodes. In particular, it is strongly requested to develop an algorithm to deriver the sensing data from the end node of solar power plants to the sink node on time. In this paper, based on the above observation we have proposed an IEEE802.15.4 based self routing scheme for solar power plants. The proposed beacon based priority routing Algorithm (BPRA) scheme utilizes beacon periods in sending message with embedding the high priority data and thus provides high quality of service(QoS) in the given criteria. The performance measures are the packet Throughput, delivery, latency, total energy consumption. Simulation results under TinyOS Simulator(TOSSIM) have shown the proposed scheme outcome the conventional Ad hoc On-Demand Distance Vector(AODV) Routing in solar power plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Solar%20Power%20Plants%28SPPs%29" title="Solar Power Plants(SPPs)">Solar Power Plants(SPPs)</a>, <a href="https://publications.waset.org/search?q=Self%20routing" title=" Self routing"> Self routing</a>, <a href="https://publications.waset.org/search?q=Quality%20of%0AService%28QoS%29" title=" Quality of Service(QoS)"> Quality of Service(QoS)</a>, <a href="https://publications.waset.org/search?q=WPANs" title=" WPANs"> WPANs</a>, <a href="https://publications.waset.org/search?q=WSNs" title=" WSNs"> WSNs</a>, <a href="https://publications.waset.org/search?q=TinyOS" title=" TinyOS"> TinyOS</a>, <a href="https://publications.waset.org/search?q=TOSSIM" title=" TOSSIM"> TOSSIM</a>, <a href="https://publications.waset.org/search?q=IEEE802.15.4" title=" IEEE802.15.4"> IEEE802.15.4</a> </p> <a href="https://publications.waset.org/15357/a-beacon-based-priority-routing-scheme-for-solar-power-plants-in-wsns" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15357/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15357/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15357/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15357/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15357/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15357/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15357/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15357/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15357/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15357/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15357.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2170</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> Malware Beaconing Detection by Mining Large-scale DNS Logs for Targeted Attack Identification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Andrii%20Shalaginov">Andrii Shalaginov</a>, <a href="https://publications.waset.org/search?q=Katrin%20Franke"> Katrin Franke</a>, <a href="https://publications.waset.org/search?q=Xiongwei%20Huang"> Xiongwei Huang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the leading problems in Cyber Security today is the emergence of targeted attacks conducted by adversaries with access to sophisticated tools. These attacks usually steal senior level employee system privileges, in order to gain unauthorized access to confidential knowledge and valuable intellectual property. Malware used for initial compromise of the systems are sophisticated and may target zero-day vulnerabilities. In this work we utilize common behaviour of malware called ”beacon”, which implies that infected hosts communicate to Command and Control servers at regular intervals that have relatively small time variations. By analysing such beacon activity through passive network monitoring, it is possible to detect potential malware infections. So, we focus on time gaps as indicators of possible C2 activity in targeted enterprise networks. We represent DNS log files as a graph, whose vertices are destination domains and edges are timestamps. Then by using four periodicity detection algorithms for each pair of internal-external communications, we check timestamp sequences to identify the beacon activities. Finally, based on the graph structure, we infer the existence of other infected hosts and malicious domains enrolled in the attack activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Malware%20detection" title="Malware detection">Malware detection</a>, <a href="https://publications.waset.org/search?q=network%20security" title=" network security"> network security</a>, <a href="https://publications.waset.org/search?q=targeted%20attack." title=" targeted attack."> targeted attack.</a> </p> <a href="https://publications.waset.org/10004242/malware-beaconing-detection-by-mining-large-scale-dns-logs-for-targeted-attack-identification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10004242/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10004242/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10004242/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10004242/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10004242/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10004242/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10004242/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10004242/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10004242/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10004242/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10004242.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">6109</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> An Indoor Guidance System Combining Near Field Communication and Bluetooth Low Energy Beacon Technologies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Rung-Shiang%20Cheng">Rung-Shiang Cheng</a>, <a href="https://publications.waset.org/search?q=Wei-Jun%20Hong"> Wei-Jun Hong</a>, <a href="https://publications.waset.org/search?q=Jheng-Syun%20Wang"> Jheng-Syun Wang</a>, <a href="https://publications.waset.org/search?q=Kawuu%20W.%20Lin"> Kawuu W. Lin </a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Users rely increasingly on Location-Based Services (LBS) and automated navigation/guidance systems nowadays. However, while such services are easily implemented in outdoor environments using Global Positioning System (GPS) technology, a requirement still exists for accurate localization and guidance schemes in indoor settings. Accordingly, the present study presents a methodology based on GPS, Bluetooth Low Energy (BLE) beacons, and Near Field Communication (NFC) technology. Through establishing graphic information and the design of algorithm, this study develops a guidance system for indoor and outdoor on smartphones, with aim to provide users a smart life through this system. The presented system is implemented on a smartphone and evaluated on a student campus environment. The experimental results confirm the ability of the presented app to switch automatically from an outdoor mode to an indoor mode and to guide the user to the requested target destination via the shortest possible route.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Beacon" title="Beacon">Beacon</a>, <a href="https://publications.waset.org/search?q=BLE" title=" BLE"> BLE</a>, <a href="https://publications.waset.org/search?q=Dijkstra%20algorithm" title=" Dijkstra algorithm"> Dijkstra algorithm</a>, <a href="https://publications.waset.org/search?q=indoor" title=" indoor"> indoor</a>, <a href="https://publications.waset.org/search?q=GPS" title=" GPS"> GPS</a>, <a href="https://publications.waset.org/search?q=near%20field%20communication%20technology." title=" near field communication technology."> near field communication technology.</a> </p> <a href="https://publications.waset.org/10005404/an-indoor-guidance-system-combining-near-field-communication-and-bluetooth-low-energy-beacon-technologies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005404/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005404/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005404/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005404/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005404/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005404/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005404/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005404/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005404/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005404/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005404.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1268</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Designing Mobile Application to Motivate Young People to Visit Cultural Heritage Sites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yuko%20Hiramatsu">Yuko Hiramatsu</a>, <a href="https://publications.waset.org/search?q=Fumihiro%20Sato"> Fumihiro Sato</a>, <a href="https://publications.waset.org/search?q=Atsushi%20Ito"> Atsushi Ito</a>, <a href="https://publications.waset.org/search?q=Hiroyuki%20Hatano"> Hiroyuki Hatano</a>, <a href="https://publications.waset.org/search?q=Mie%20Sato"> Mie Sato</a>, <a href="https://publications.waset.org/search?q=Yu%20Watanabe"> Yu Watanabe</a>, <a href="https://publications.waset.org/search?q=Akira%20Sasaki"> Akira Sasaki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper presents a mobile phone application developed for sightseeing in Nikko, one of the cultural world heritages in Japan, using the BLE (Bluetooth Low Energy) beacon. Based on our pre-research, we decided to design our application for young people who walk around the area actively, but know little about the tradition and culture of Nikko. One solution is to construct many information boards to explain; however, it is difficult to construct new guide plates in cultural world heritage sites. The smartphone is a good solution to send such information to such visitors. This application was designed using a combination of the smartphone and beacons, set in the area, so that when a tourist passes near a beacon, the application displays information about the area including a map, historical or cultural information about the temples and shrines, and local shops nearby as well as a bus timetable. It is useful for foreigners, too. In addition, we developed quizzes relating to the culture and tradition of Nikko to provide information based on the Zeigarnik effect, a psychological effect. According to the results of our trials, tourists positively evaluated the basic information and young people who used the quiz function were able to learn the historical and cultural points. This application helped young visitors at Nikko to understand the cultural elements of the site. In addition, this application has a function to send notifications. This function is designed to provide information about the local community such as shops, local transportation companies and information office. The application hopes to also encourage people living in the area, and such cooperation from the local people will make this application vivid and inspire young visitors to feel that the cultural heritage site is still alive today. This is a gateway for young people to learn about a traditional place and understand the gravity of preserving such areas.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=BLE%20beacon" title="BLE beacon">BLE beacon</a>, <a href="https://publications.waset.org/search?q=smartphone%20application" title=" smartphone application"> smartphone application</a>, <a href="https://publications.waset.org/search?q=Zeigarnik%20effect" title=" Zeigarnik effect"> Zeigarnik effect</a>, <a href="https://publications.waset.org/search?q=world%20heritage%20site" title=" world heritage site"> world heritage site</a>, <a href="https://publications.waset.org/search?q=school%20trip." title=" school trip."> school trip.</a> </p> <a href="https://publications.waset.org/10006168/designing-mobile-application-to-motivate-young-people-to-visit-cultural-heritage-sites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10006168/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10006168/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10006168/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10006168/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10006168/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10006168/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10006168/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10006168/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10006168/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10006168/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10006168.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1958</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Efficient Utilization of Unmanned Aerial Vehicle (UAV) for Fishing through Surveillance for Fishermen</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=T.%20Ahilan">T. Ahilan</a>, <a href="https://publications.waset.org/search?q=V.%20Aswin%20Adityan"> V. Aswin Adityan</a>, <a href="https://publications.waset.org/search?q=S.%20Kailash"> S. Kailash</a> </p> <p class="card-text"><strong>Abstract:</strong></p> UAV鈥檚 are small remote operated or automated aerial surveillance systems without a human pilot aboard. UAV鈥檚 generally finds its use in military and special operation application, a recent growing trend in UAV鈥檚 finds its application in several civil and nonmilitary works such as inspection of power or pipelines. The objective of this paper is the augmentation of a UAV in order to replace the existing expensive sonar (Sound Navigation And Ranging) based equipment amongst small scale fisherman, for whom access to sonar equipment are restricted due to limited economic resources. The surveillance equipment鈥檚 present in the UAV will relay data and GPS (Global Positioning System) location onto a receiver on the fishing boat using RF signals, using which the location of the schools of fishes can be found. In addition to this, an emergency beacon system is present for rescue operations and drone recovery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=GPS" title="GPS">GPS</a>, <a href="https://publications.waset.org/search?q=RF%20signals" title=" RF signals"> RF signals</a>, <a href="https://publications.waset.org/search?q=School%20of%20fish" title=" School of fish"> School of fish</a>, <a href="https://publications.waset.org/search?q=Sonar" title=" Sonar"> Sonar</a>, <a href="https://publications.waset.org/search?q=Surveillance%0D%0AUAV" title=" Surveillance UAV"> Surveillance UAV</a>, <a href="https://publications.waset.org/search?q=Video%20stream." title=" Video stream."> Video stream.</a> </p> <a href="https://publications.waset.org/10001857/efficient-utilization-of-unmanned-aerial-vehicle-uav-for-fishing-through-surveillance-for-fishermen" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001857/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001857/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001857/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001857/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001857/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001857/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001857/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001857/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001857/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001857/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001857.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3170</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Optimization of Transmitter Aperture by Genetic Algorithm in Optical Satellite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Karim%20Kemih">Karim Kemih</a>, <a href="https://publications.waset.org/search?q=Yacine%20Yaiche"> Yacine Yaiche</a>, <a href="https://publications.waset.org/search?q=Malek%20Benslama"> Malek Benslama</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To establish optical communication between any two satellites, the transmitter satellite must track the beacon of the receiver satellite and point the information optical beam in its direction. Optical tracking and pointing systems for free space suffer during tracking from high-amplitude vibration because of background radiation from interstellar objects such as the Sun, Moon, Earth, and stars in the tracking field of view or the mechanical impact from satellite internal and external sources. The vibrations of beam pointing increase the bit error rate and jam communication between the two satellites. One way to overcome this problem is the use of very small transmitter beam divergence angles of too narrow divergence angle is that the transmitter beam may sometimes miss the receiver satellite, due to pointing vibrations. In this paper we propose the use of genetic algorithm to optimize the BER as function of transmitter optics aperture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Optical%20Satellite%20Communication" title="Optical Satellite Communication">Optical Satellite Communication</a>, <a href="https://publications.waset.org/search?q=Genetic%0AAlgorithm" title=" Genetic Algorithm"> Genetic Algorithm</a>, <a href="https://publications.waset.org/search?q=Transmitter%20Optics%20Aperture" title=" Transmitter Optics Aperture"> Transmitter Optics Aperture</a> </p> <a href="https://publications.waset.org/3732/optimization-of-transmitter-aperture-by-genetic-algorithm-in-optical-satellite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3732/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3732/bibtex" target="_blank" rel="nofollow" class="btn 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