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2014 International Conference on Advanced Technologies for Communications (ATC 2014)最新文献

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Use of in-and-quadrature phase signals for cooperative spectrum sharing 利用正交相位信号进行合作频谱共享
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043382
T. Tran, T. Tran, T. V. Nguyen, H. Kong
{"title":"Use of in-and-quadrature phase signals for cooperative spectrum sharing","authors":"T. Tran, T. Tran, T. V. Nguyen, H. Kong","doi":"10.1109/ATC.2014.7043382","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043382","url":null,"abstract":"This article considers a model of cooperative spectrum sharing between primary and secondary systems in which transmission occurs in two phases. In this scheme, we introduce that a single secondary transmitter, ST, employs a quadrature-phase-based signal to present the secondary message, while the primary message is presented by an in-phase-based signal. This allows simultaneous spectrum sharing without mutual interference. Therefore, an interference constraint is not necessary to protect primary operating performance from being degraded by the secondary user operations. Theoretical analysis and Simulations are then provided to confirm the superiority of the proposed scheme over the the current conventional methods.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124851774","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
Reactance switching methods for CMIMO system CMIMO系统的电抗切换方法
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043418
Kyu-Tae Lee, Hyunsik Ahn, Do-Hyeun Kim
{"title":"Reactance switching methods for CMIMO system","authors":"Kyu-Tae Lee, Hyunsik Ahn, Do-Hyeun Kim","doi":"10.1109/ATC.2014.7043418","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043418","url":null,"abstract":"A smart phone subscriber needs wide bandwidth services for more fast data communication on the internet. The conventional MIMO system is now developing to resolve these problems with limited device space for antenna and frequency band environment reserved. One of a way to make it practically is to add the number of antennas theoretically. But it is difficult to increase the antenna element as a limited space on the system. Therefore an active beam forming scheme is known as a way of constructing a low power MIMO system for that. In this paper, the fast switching control block was suggested to adjust a reactance of the antenna element and verified experimentally the effects by switching signal on an orthogonal beam forming through a spatial domain.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124811252","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
Network coding for LTE-based Cooperative communications 基于lte的协同通信网络编码
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043459
Cuong Cao Luu, D. Ta, Quy Trong Nguyen, Sy Quy Nguyen, H. Nguyen
{"title":"Network coding for LTE-based Cooperative communications","authors":"Cuong Cao Luu, D. Ta, Quy Trong Nguyen, Sy Quy Nguyen, H. Nguyen","doi":"10.1109/ATC.2014.7043459","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043459","url":null,"abstract":"In this contribution, we propose a novel Network Coding based LTE Cooperative-communication (NCLC) system. More specifically, our novel NCLC system is devised by incorporating a beneficial network coding scheme into the TD-LTE system. The benefit obtained by employing the network coding scheme in our NCLC systems are highlighted and analysed by both insightful formulae and illustrative examples. Particularly, Monte Carlo simulation based results suggest that our NCLC system outperforms the conventional TD-LTE by at least 3dB at an FER of 10-5.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126202739","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: 1
High-speed photoreceiver and its related technology 高速光电接收器及其相关技术
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043493
T. Umezawa
{"title":"High-speed photoreceiver and its related technology","authors":"T. Umezawa","doi":"10.1109/ATC.2014.7043493","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043493","url":null,"abstract":"In this paper, we present high-speed photoreceivers and related technologies for frequency compensation techniques, including InA quantum dots photoabsorption technology and an RF interface. A newly developed high-conversion-gain analog photoreceiver was fabricated by using the above techniques and was demonstrated with 16-QAM optical signals.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126309663","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: 1
A proposal of a compact Ultra-Wide Band antenna works as a magnetic dipole 提出了一种紧凑的超宽带天线作为磁偶极子工作
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043455
L. Trung, N. Dinh
{"title":"A proposal of a compact Ultra-Wide Band antenna works as a magnetic dipole","authors":"L. Trung, N. Dinh","doi":"10.1109/ATC.2014.7043455","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043455","url":null,"abstract":"Recently, the Ultra-Wideband Multi-Input Multi-Output technique has draw the intention of many researchers as it is very promising for high data rate wireless communication systems. In this paper, a new ultra-wideband (UWB) antenna with the size of 15 mm × 26 mm × 1.6 mm is proposed. The antenna works as a magnetic dipole and has the working bandwidth from 3.1 GHz to 10.6 GHz with VSWR ≤ 2. The antenna parameters such as radiation pattern, maximal gain are also investigated.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128917241","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
Adaptability of EPON to a virtual single cell network EPON对虚拟单蜂窝网络的适应性研究
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043475
Takahiko Yamada, Toshikazu Nishimura, T. Phan
{"title":"Adaptability of EPON to a virtual single cell network","authors":"Takahiko Yamada, Toshikazu Nishimura, T. Phan","doi":"10.1109/ATC.2014.7043475","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043475","url":null,"abstract":"In this paper, we study on the adaptation of EPON (Ethernet Passive Optical Network) mobile backhaul network to support the virtual single cell network. The virtual single cell network is a mobile network that offers fast movers no break handover for packet transfer by logical grouping adjacent small cells into virtual single cell. Due to constructing from a large number of small cells it requires cost-effective backhaul network. High speed PON is a good candidate for the mobile backhaul network since it can cost-effectively accommodate many terminals spread over the wide service areas. In our scope, we investigate adaptability of EPON mobile backhaul network into a virtual single cell network with modified WLAN interface shows (i) The EPON frame itself can be used for the virtual single cell network; (ii) The definition of mode bit in the preamble field should be modified; (iii) The mode bit meaning becomes to indicate communication types, point-to-point or multicast. The multicast here means limited broadcast to ONUs which possibly include a target terminal and transfer inhibit on the links under the OLTs which don't includes the target terminal; (iv) The broadcast communication should be indicated with LLID (Logical Link ID), not with the mode bit.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124336401","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: 1
Bendable organic memristors in a crossbar array: Applications to information storage 交叉棒阵列中的可弯曲有机忆阻器:在信息存储中的应用
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043351
T. T. Dao
{"title":"Bendable organic memristors in a crossbar array: Applications to information storage","authors":"T. T. Dao","doi":"10.1109/ATC.2014.7043351","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043351","url":null,"abstract":"This article demonstrates a bendable 256-bit organic memristor in a crossbar array fabricated from a composite of fullerene organic semiconductor and polymer matrix. Electrical measurements indicated that the memristor cell can be reversibly switched at a voltage pulse of -4 or 4 V for 1 μs. The operating mechanism was attributed to the charge storage of fullerene. The memristor exhibited highly reliable with the stable retention time characteristics with a large on/off current ratio of five orders of magnitude at 0.5 V. These obtained results suggest that the memristor based on fullerene can be utilized for storing information in bendable electronics.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115466487","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: 1
Keynote talk #1: A stroll with shannon along wireless avenue to nextgeneration plaza… 主题演讲#1:与香农沿着无线大道漫步到下一代广场…
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043341
L. Hanzo
{"title":"Keynote talk #1: A stroll with shannon along wireless avenue to nextgeneration plaza…","authors":"L. Hanzo","doi":"10.1109/ATC.2014.7043341","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043341","url":null,"abstract":"The spectacular success of MIMO systems may be attributed to the fact that the MIMO capacity increases linearly with the number of transmit antennas, provided that the number of receive antennas is equal to the number of transmit antennas. With the further proviso that the total transmit power is increased proportionately to the number of transmit antennas, a linear - rather than logarithmic - capacity increase is achieved upon increasing the transmit power [1, 2]","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132509860","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
A DWT-based image watermarking approach using quantization on filtered blocks 一种基于小波变换的图像水印方法
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043398
Thien Huynh-The, Sungyoung Lee, Hieu Pham-Chi, T. Le-Tien
{"title":"A DWT-based image watermarking approach using quantization on filtered blocks","authors":"Thien Huynh-The, Sungyoung Lee, Hieu Pham-Chi, T. Le-Tien","doi":"10.1109/ATC.2014.7043398","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043398","url":null,"abstract":"In this paper, the authors propose a digital watermarking scheme for gray-scale images, in which, coefficients of a host image are quantized in the wavelet domain. In particular, the binary watermark image is embedded into the wavelet-blocks that can be obtained by grouping four coefficients at different sub-bands at corresponding coordinates. The modification of only two coefficients at the LH4 and HL4 sub-bands is decided by the value of watermark bit and the significant difference of them. In order to improve the performance, these blocks are filtered by sorting in the difference as the reparation before applying an embedding algorithm. The improvement reduces the degradation in the output image. The method is evaluated for many samples under various types of attack including the geometric and non-geometric attacks. Moreover, the comparison of the proposed method and recent others is also represented at the same payload.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"2016 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130967650","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
Fresh food recognition using feature fusion 基于特征融合的生鲜食品识别
2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI: 10.1109/ATC.2014.7043401
Cuong T. Pham, N. T. Thuy
{"title":"Fresh food recognition using feature fusion","authors":"Cuong T. Pham, N. T. Thuy","doi":"10.1109/ATC.2014.7043401","DOIUrl":"https://doi.org/10.1109/ATC.2014.7043401","url":null,"abstract":"This paper presents a fresh food recognition system that utilizes the feature fusion extracted from food images captured from optical fibers embedded inside a chopping board. We exploit both local and global features including color, SURF and shape for image representation. In addition, we propose cost-based schemes for feature matching and the Borda count method for feature fusion. An experiment is conducted on our previous study's dataset, which consists of 1,800 images of 12 food ingredients for evaluating the proposed method. The results demonstrate that the overall recognition accuracies can be achieved 86% precision and 83% recall, which is significantly improved from our previous work on food recognition.","PeriodicalId":333572,"journal":{"name":"2014 International Conference on Advanced Technologies for Communications (ATC 2014)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124642712","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
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