2019 IEEE 5th International Conference on Wireless and Telematics (ICWT)最新文献

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Modify TOGAF ADM for Government Enterprise Architecture : Case Study in Ethiopia 为政府企业架构修改TOGAF ADM:埃塞俄比亚案例研究
2019 IEEE 5th International Conference on Wireless and Telematics (ICWT) Pub Date : 2019-07-01 DOI: 10.1109/ICWT47785.2019.8978260
Chernet Gebayew, A. A. Arman
{"title":"Modify TOGAF ADM for Government Enterprise Architecture : Case Study in Ethiopia","authors":"Chernet Gebayew, A. A. Arman","doi":"10.1109/ICWT47785.2019.8978260","DOIUrl":"https://doi.org/10.1109/ICWT47785.2019.8978260","url":null,"abstract":"Enterprise architecture is a conceptual blueprint that describes the structure and operation of the government and its elements. It provides a clear picture of the government where they are and where they want to be. In addition, it also addresses the issue of complexity and goes beyond IT in order to increase the simplicity of business processes across the country. The aim of this paper is to modify TOGAF ADM for the government enterprise architecture in order to improve the performance of the government enterprise. We have used eight steps to customize and modify TOGAF ADM for the government level. The modified TOGAF ADM comprises at the top Government Strategic Objective (i.e. it aims to align and formulate the overall strategic plan and policy across in both federal and regional government), Preliminary phase, Phase A—Phase H, and outside there is Security Architecture because it needs for all phases of the ADM. The modified TOGAF ADM provides basic guidelines for the government in order to align strategic objectives with the opportunity for the transformation of the country. It accelerates the prioritization of government goals, commitment, and communication between government actors and the implementation of government interoperability. This modified TOGAF ADM can be applied to the government-wide enterprise across the country. Therefore, the modified TOGAF ADM can be used for designing enterprise architecture for government across the country.","PeriodicalId":220618,"journal":{"name":"2019 IEEE 5th International Conference on Wireless and Telematics (ICWT)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123608685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
The Behavioral Study of an Optical Injection-Locked Semiconductor Laser under the Influence of Intensity and Phase Noise 光锁注入半导体激光器在强度和相位噪声影响下的行为研究
2019 IEEE 5th International Conference on Wireless and Telematics (ICWT) Pub Date : 2019-07-01 DOI: 10.1109/ICWT47785.2019.8978269
G. S. Samarakkody, Dushani Munasinghe, Sachinthani Alahakoon, Ajith Kumarayapa, R. Weerasuriya
{"title":"The Behavioral Study of an Optical Injection-Locked Semiconductor Laser under the Influence of Intensity and Phase Noise","authors":"G. S. Samarakkody, Dushani Munasinghe, Sachinthani Alahakoon, Ajith Kumarayapa, R. Weerasuriya","doi":"10.1109/ICWT47785.2019.8978269","DOIUrl":"https://doi.org/10.1109/ICWT47785.2019.8978269","url":null,"abstract":"This work theoretically investigates the influence of intensity and frequency noise on the locking range of a semi-conductor laser. The analysis was conducted using the numerical simulations based on the developed locking range model including the noise sources. The effect of intensity noise resulted in a broadening of the locking range by shifting its lower boundary along the detuning frequency axis and the effect of frequency noise has shifted the locking range without changing the locking range width. When intensity and frequency noise are considered simultaneously, the locking range shows a superposition of the individual variation of each type of noise. The results obtained through this work is applicable only for the lower injection ratio applications such as optical sensors.","PeriodicalId":220618,"journal":{"name":"2019 IEEE 5th International Conference on Wireless and Telematics (ICWT)","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127145806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rectangular Microstrip Yagi Array Antenna for Wifi Applications 用于Wifi应用的矩形微带八木阵列天线
2019 IEEE 5th International Conference on Wireless and Telematics (ICWT) Pub Date : 2019-07-01 DOI: 10.1109/ICWT47785.2019.8978213
N. Ismail, D. Permana, F. Oktafiani, S. Gumilar
{"title":"Rectangular Microstrip Yagi Array Antenna for Wifi Applications","authors":"N. Ismail, D. Permana, F. Oktafiani, S. Gumilar","doi":"10.1109/ICWT47785.2019.8978213","DOIUrl":"https://doi.org/10.1109/ICWT47785.2019.8978213","url":null,"abstract":"Wifi requires an additional external antenna with high gain so that its range increases. This paper discusses the design of a rectangular-microstrip Yagi array antenna for Wifi applications (2.4 GHz). The antenna consists of element driven and several parasitic elements, including reflector and director. The antenna is made in the form of an array consisting of 2 branches and each branch consists of 2 level directors. The antenna was realized using dielectric material with a relative permittivity of 4.3. Based on measurements, the value of return loss S11 is −15.42 dB at the frequency of 2.4 GHz. The gain obtained is 9.08 dB with bidirectional radiation patterns. The array method is proven to increase gain compared to antennas which only have 1 branch and 2 director levels.","PeriodicalId":220618,"journal":{"name":"2019 IEEE 5th International Conference on Wireless and Telematics (ICWT)","volume":"111 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128803480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low Complexity MIMO-SCMA Detector 低复杂度的MIMO-SCMA检测器
2019 IEEE 5th International Conference on Wireless and Telematics (ICWT) Pub Date : 2019-07-01 DOI: 10.1109/ICWT47785.2019.8978244
D. Kurniawan, M. S. Arifianto, A. Kurniawan
{"title":"Low Complexity MIMO-SCMA Detector","authors":"D. Kurniawan, M. S. Arifianto, A. Kurniawan","doi":"10.1109/ICWT47785.2019.8978244","DOIUrl":"https://doi.org/10.1109/ICWT47785.2019.8978244","url":null,"abstract":"The implementation of Multiple Input Multiple Output (MIMO) on the Sparse Code Multiple Access (SCMA) can enhance performance in 5G future communication. Low complexity detector for the MIMO-SCMA system to achieve near-optimum bit error rate (BER) performance is still hot topic in this research field. This paper is investigate low complexity MIMO-SCMA detector by combining a joint factor graph (JFG) and sphere decoding (SD) algorithm based on message passing algorithm (MPA) called by SD-JFG-MPA. SD-JFG-MPA is combine n-th single factor graph become one virtual factor graph to deal with MIMO detector. SD algorithm is used to reduce high complexity of the JFG-MPA by calculating possible combination codeword within search radius RSD. SD-JFG-MPA is investigated under Rayleigh channel model with overloading factor 150%. The simulation result shows that complexity and BER performance is determined by a selected radius of SD-JFG-MPA. Optimum performance with less processing time for one bit error on single SCMA when $R_{SD} = sqrt {E_b} times 3/2 times r_{max}$ meanwhile for 2x2 MIMO-SCMA when $R_{SD} = sqrt {E_b} times N_{mimo} times r_{max}$. 2×2 MIMO-SCMA performance is better with 5 dB gap at BER = 10−3 compared to single SCMA.","PeriodicalId":220618,"journal":{"name":"2019 IEEE 5th International Conference on Wireless and Telematics (ICWT)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128199022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Experiment OLSR Routing in Named Data Network for MANET 面向MANET的命名数据网络OLSR路由实验
2019 IEEE 5th International Conference on Wireless and Telematics (ICWT) Pub Date : 2019-07-01 DOI: 10.1109/ICWT47785.2019.8978256
Taufik Irfan, W. Ariefianto, S. N. Rachmana
{"title":"Experiment OLSR Routing in Named Data Network for MANET","authors":"Taufik Irfan, W. Ariefianto, S. N. Rachmana","doi":"10.1109/ICWT47785.2019.8978256","DOIUrl":"https://doi.org/10.1109/ICWT47785.2019.8978256","url":null,"abstract":"Nowadays, legacy IP network architecture has many limitations. Moreover, there is many researchers research for new future technology for network architecture called Named Data Network (NDN). Named Data Network (NDN) is a new design architecture for the network that uses directly name prefix of the content object instead of IP address, the most beneficial of using named based on content can do multi-hop forwarding and significantly reduced of the congestion happened. In this paper, the author tries to use the Named Data Network (NDN) architecture to create MANET network topology using the OLSR routing protocol, the reason using this topology is because MANET network is the most common.","PeriodicalId":220618,"journal":{"name":"2019 IEEE 5th International Conference on Wireless and Telematics (ICWT)","volume":"1077 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127181218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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