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A novel multiband frequency reconfigurable PIFA antenna 一种新型多频带可重构PIFA天线
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764832
Pham Trung Minh, To Thi Thao, N. T. Duc, V. V. Yem
{"title":"A novel multiband frequency reconfigurable PIFA antenna","authors":"Pham Trung Minh, To Thi Thao, N. T. Duc, V. V. Yem","doi":"10.1109/ATC.2016.7764832","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764832","url":null,"abstract":"In this paper, we design and implement a novel six-band frequency reconfigurable Planar Inverted-F Antenna (PIFA) for GSM1800, WCDMA, m-WiMAX and WLAN applications. The antenna consists of three radiator patches whose optimal parameters are iteratively selected on different configurations using Genetic Algorithm (GA). PIN-diodes are used in appropriate locations to accurately control the operating frequency bands. Simulation results show that depending on ON/OFF states of the PIN-diodes, the antenna can operate in six applicable frequency bands i.e., 1.8 GHz, 2.1 GHz, 2.4 GHz, 3.5 GHz, 3.7 GHz and 5.8 GHz with corresponding peak gains of 3.34 dBi, 2.8 dBi, 5.16 dBi, 3.95 dBi, 5.05 dBi and 6.98 dBi, respectively. The efficiency of the six frequency bands is spread from 64% to 96%. The overall size of the radiated parts is 42.5×20 mm2 which makes it easy and possible to be integrated into small wireless handsets. Measurements have also been carried out on a fabricated prototype in order to validate the correctness our design.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133190518","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: 10
Flat retroreflector based on transformation electromagnetics 基于变换电磁学的平面后向反射器
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764759
T. Nagayama, A. Sanada, S. Fukushima, Toshio Watanabe
{"title":"Flat retroreflector based on transformation electromagnetics","authors":"T. Nagayama, A. Sanada, S. Fukushima, Toshio Watanabe","doi":"10.1109/ATC.2016.7764759","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764759","url":null,"abstract":"A flat reflector having retroreflection characteristics is presented based on transformation electromagnetics. The retroreflector is designed with a distributed full-tensor anisotropic metamaterial. Its retroreflection operations are confirmed by circuit simulations based on the equivalent circuit model of the distributed anisotropic metamaterial.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122044618","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: 6
Integration of compressed sensing and frequency hopping techniques for ultrasound tomography 超声断层扫描压缩感知与跳频技术的集成
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764823
Tran Quang-Huy, Tran Duc-Tan
{"title":"Integration of compressed sensing and frequency hopping techniques for ultrasound tomography","authors":"Tran Quang-Huy, Tran Duc-Tan","doi":"10.1109/ATC.2016.7764823","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764823","url":null,"abstract":"The FH-DBIM (frequency hopping distorted Born iterative method) is a promising approach for imaging tumors at the level of biological tissues. This uses multiple frequencies for producing images, leading to large computational complexity and storage space (i.e. for each frequency, NtNrN2 calculations are required). It is a main barrier that the FH-DBIM approach is not fully exploited in commercialized devices. Therefore, in this paper, we propose an alternative algorithm for significant reducing the computational complexity of the FH-DBIM by integrating compressed sensing and frequency hopping techniques for the DBIM. That is, the needed number of measurements for imaging is tremendously reduced in comparison with the conventional one. The proposed algorithm - CS-FH-DBIM-offers a new prospect for being able to image high-resolution images at the level of biological tissues in practice.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126420291","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
Making real-time hardware-in-the-loop testing of automotive electronic control units wireless 汽车电子控制单元无线实时硬件在环测试
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764816
M. Kloc, R. Weigel, A. Koelpin
{"title":"Making real-time hardware-in-the-loop testing of automotive electronic control units wireless","authors":"M. Kloc, R. Weigel, A. Koelpin","doi":"10.1109/ATC.2016.7764816","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764816","url":null,"abstract":"Hardware-in-the-loop (HIL) simulation is an industry standard for testing automotive electronic control units (ECUs). In this paper, we present a concept that replaces the common wired cabling between a HIL test system and an automotive ECU and thus makes the real-time transmission of time-critical control, diagnostics, and calibration (CoDiCa) data wireless. This increases the flexibility of the HIL test setup and opens up new possibilities for testing automotive ECUs or autonomous driving systems. The proposed wireless communication gateway system adopts the robust physical layer IEEE 802.11p and is designed for operation in the 2.4 GHz industrial, scientific, and medical frequency (ISM) frequency band. To achieve compliance with the European regulations on spectrum access in this unlicensed band and to enable the bidirectional deterministic transfer of CoDiCa data, a new adaptive spectrum access procedure and time-slotted communication scheme is introduced. Based on extensive link-level simulations it is demonstrated that the introduced approach is able to meet the required real-time performance and hence is suitable to be applied for novel HIL test applications.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127355112","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: 6
Disturbance estimation combined with new adaptive RBF neural network for uncertain system with disturbance 基于自适应RBF神经网络的不确定系统扰动估计
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764782
Thiem V. Pham, L. Lãi, Q. T. T. Nguyen, M. Nguyen
{"title":"Disturbance estimation combined with new adaptive RBF neural network for uncertain system with disturbance","authors":"Thiem V. Pham, L. Lãi, Q. T. T. Nguyen, M. Nguyen","doi":"10.1109/ATC.2016.7764782","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764782","url":null,"abstract":"In this work, we propose a new adaptive neural network controller combined with disturbance estimation for a class of nonlinear systems. The approach uses Radial Basis Functions, RBF neural network. An adaptive scheme for the RBF neural network is developed to approximate unknown system functions and to estimate disturbances consisting of both approximation errors and external disturbances. An adaptive law is then applied to update the parameters of controller instead of choosing fixed controller's parameters which are coefficients of Hurwitz polynomial. Thanks to Lyapunov's theory, asymptotic stability is established with the tracking errors converging to a neighborhood of the origin. Finally, an example, coupled tank liquid system, is presented to illustrate the proposed methods.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":" 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120933642","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: 2
Performance analysis of network-coded two-way dual-hop mixed FSO/RF systems 网络编码双向双跳混合FSO/RF系统性能分析
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764833
T. V. Nguyen, Tu V. M. Pham, Thu A. Pham, H. Pham, N. Dang, A. Pham
{"title":"Performance analysis of network-coded two-way dual-hop mixed FSO/RF systems","authors":"T. V. Nguyen, Tu V. M. Pham, Thu A. Pham, H. Pham, N. Dang, A. Pham","doi":"10.1109/ATC.2016.7764833","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764833","url":null,"abstract":"In this paper, a novel two-way relaying technique based on network coding is proposed to improve the throughput of dual-hop mixed free-space optics (FSO)/radio-frequency (RF) communication systems. We investigate the performance of the proposed systems over Gamma-Gamma atmospheric turbulence and Rice/Rayleigh channels. The effect of pointing error on FSO link is also considered in our analysis. Closed-form expressions for end-to-end outage probability and bit error rate are analytically formulated, taking into account the physical layer impairments from both FSO and RF links as well as the receiver noise. The numerical results show the feasibility of using network-coded two-way relaying in dual-hop mixed FSO/RF systems. In addition, the comparison between the magnitudes of negative impacts caused by FSO and RF links is discussed. Based on this comparison, the recommendation for locating the relay node is given so that better performance could be obtained.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126127395","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: 4
Power controlling for device to device transmissions in aerial access networks 空中接入网中设备对设备传输的功率控制
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764828
S. Kandeepan, K. Gomez, Leonardo Gorratti, T. Rasheed, G. Baldini
{"title":"Power controlling for device to device transmissions in aerial access networks","authors":"S. Kandeepan, K. Gomez, Leonardo Gorratti, T. Rasheed, G. Baldini","doi":"10.1109/ATC.2016.7764828","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764828","url":null,"abstract":"Device to Device communication in LTE technology has been standardized with the recent release of the 3GPP standardization documentation (Release-13). Aerial networks on the other hand are being considered for many applications including the cellular communications. In this paper we consider the D2D technology to be part of an aerial access network for providing terrestrial cellular coverage. To enable D2D in aerial access networks, we present and study a power control mechanism for D2D transmissions when the same radio resources are shared between D2D and aerial networks. We present a simulation based performance analysis for the power control mechanism, and the results show considerable improvement in the outage performance especially at the cell edge.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127723925","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
A hierarchical opportunistic routing with stability information for mobile ad hoc networks 一种具有稳定性信息的移动自组织网络分层机会路由
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764820
R. Yamamoto, S. Ohzahata, Toshihiko Kato
{"title":"A hierarchical opportunistic routing with stability information for mobile ad hoc networks","authors":"R. Yamamoto, S. Ohzahata, Toshihiko Kato","doi":"10.1109/ATC.2016.7764820","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764820","url":null,"abstract":"In ad hoc networks, terminals form a network with decentralized and self-organizing manners. Although this can surely extend its potentials, it also suffers from unstable and unreliable communication environments. As concerns this, a broadcast-based routing protocol called opportunistic routing (OR) has been proposed. ORs do not establish any specific route from a source terminal to a destination terminal unlike conventional unicast routing protocols. This characteristic contributes to obtain path diversity and improves end-to-end reliability with multiple forwarding paths. However, the metrics to select appropriate forwarders to a destination terminal greatly affect its performance and grasp of comprehensive terminal status still remains as an issue to be discussed. In this paper, we propose a hierarchical opportunistic routing with stability information of terminals to enable more efficient and reliable forwarding in ad hoc networks to address the issue. The performance evaluation shows that the proposed method has better performance than the conventional protocols.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127910124","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: 2
Performance analysis of energy-harvesting relay selection systems with multiple antennas in presence of transmit hardware impairments 多天线能量收集中继选择系统在传输硬件缺陷情况下的性能分析
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764758
Van Phu Tuan, S. Q. Nguyen, H. Kong
{"title":"Performance analysis of energy-harvesting relay selection systems with multiple antennas in presence of transmit hardware impairments","authors":"Van Phu Tuan, S. Q. Nguyen, H. Kong","doi":"10.1109/ATC.2016.7764758","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764758","url":null,"abstract":"In this paper, we consider a decoded-and-forward (DF) energy-harvesting system with multiple antennas in the presence of transmit hardware impairments. The relays are energy-constrained nodes that collect energy from the source signals using time-switching architecture. Two partial relay selection (PRS) schemes that are PRS-1 and PRS-2 are employed for simplifying the relay-selection complexity. In particular, for the PRS-1 scheme, the best relay that assists the source-to-destination communication is selected based on the first-hop channel-state-information (CSI) whereas for the PRS-2 scheme, the best relay is selected based on the second-hop CSI. To evaluate the effects of hardware impairments on system performance, the analytical expressions for outage probability and throughput are derived. Monte Carlo simulation and insightful discussion are provided.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132664234","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: 8
A fan-beam array antenna with reflector back for 5 GHz outdoor Wi-Fi applications 一种带反射器的扇形波束阵列天线，适用于5 GHz户外Wi-Fi应用
2016 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2016-10-01 DOI: 10.1109/ATC.2016.7764812
Tang The Toan, N. Tran, T. Giang
{"title":"A fan-beam array antenna with reflector back for 5 GHz outdoor Wi-Fi applications","authors":"Tang The Toan, N. Tran, T. Giang","doi":"10.1109/ATC.2016.7764812","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764812","url":null,"abstract":"This paper introduces a sprout-shaped fan beam linear array antenna for outdoor Wi-Fi access points. The proposal is made up of two main parts which are a linear array and a reflector. The array has been placed on Rogers RT/Duroid 5870 tm with the dimensions of 390 mm × 30 mm × 1.575 mm, and consists of 10 single elements in sprout-shape. The reflector, which is made of FR4-epoxy, is relatively wider with size of 390 × 70 × 1.6 mm3. The proposed antenna has really good simulation results with the wide bandwidth of 590 MHz, the gain of 17.2 dBi and the low side lobe level of -15.4 dB at 5.6 GHz. A prototype has been fabricated and measured to validate the simulation results. It is demonstrated that a good agreement between simulation and measurement has been obtained. The array antenna sample can be a good candidate for 5GHz outdoor Wi-Fi applications.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"283 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133437216","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: 2
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