2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)最新文献

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A study of the performance of solar cells for indoor autonomous wireless sensors 用于室内自主无线传感器的太阳能电池性能研究
M. Rasheduzzaman, P. B. Pillai, A. N. C. Mendoza, Maria Merlyne De Souza
{"title":"A study of the performance of solar cells for indoor autonomous wireless sensors","authors":"M. Rasheduzzaman, P. B. Pillai, A. N. C. Mendoza, Maria Merlyne De Souza","doi":"10.1109/CSNDSP.2016.7574001","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7574001","url":null,"abstract":"The performances of six solar cell technologies for indoor energy harvesting are assessed under a controlled light intensity of 77.40 μW/cm2. A comparison of the calculated efficiencies of crystalline (c-Si), polycrystalline (poly-Si), amorphous silicon (a-Si), perovskite, gallium arsenide (GaAs) and dye-sensitized solar cells (DSSC) shows that both DSSC and GaAs solar cells exhibit an efficiency of ~28%, whereas the efficiencies of perovskite and a-Si solar cells are 20.4% and 15.59% respectively. Considering both performance and cost, DSSC is the best choice for indoor light energy harvesting. Due to its high power density of 22.0 μW/cm2, the DSSC requires an area of 15 cm2 to charge a 3.4 mAh rechargeable battery from a nominal voltage of 2.8 to 3.0 V in 60 minutes.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125672063","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: 19
112-Gbit/s PDM-PAM4 transmission over 80-km SMF using digital coherent detection without optical amplifier 112 gbit /s PDM-PAM4传输超过80 km SMF,采用数字相干检测,无光放大器
Xian Zhou, K. Zhong, Jiahao Huo, Yiguang Wang, Liang Wang, J. Tu, Yanfu Yang, Lei Gao, L. Zeng, Changyuan Yu, A. Lau, Chao Lu
{"title":"112-Gbit/s PDM-PAM4 transmission over 80-km SMF using digital coherent detection without optical amplifier","authors":"Xian Zhou, K. Zhong, Jiahao Huo, Yiguang Wang, Liang Wang, J. Tu, Yanfu Yang, Lei Gao, L. Zeng, Changyuan Yu, A. Lau, Chao Lu","doi":"10.1109/CSNDSP.2016.7573937","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7573937","url":null,"abstract":"In this work, we experimentally demonstrated a 112 Gbit/s polarization-division-multiplexed (PDM) four-level pulse amplitude modulation (PAM4) transmission over 80-km single mode fiber (SMF) using digital coherent detection without optical amplifier and CD compensation for the short reach applications. Here, a signal-phase aided least-mean-square (SP-LMS) equalization algorithm is proposed to avoid the effects of carrier frequency offset and phase noise. Without additional carrier recovery algorithms, the PDM-PAM4 system shows good transmission performance. The received optical power (ROP) penalty is only about 0.2 dB after 80 km transmission comparing to back-to-back (BTB) transmission. A receiver sensitivity of -20dBm (at 7% FEC limit) can be reached after 80-km transmission.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130742824","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
Using curve fitting for spectral reflectance curves intervals in order to hyperspectral data compression 采用曲线拟合的方法对光谱反射率曲线区间进行拟合,以达到高光谱数据压缩的目的
Mersedeh Beitollahi, S. A. Hosseini, abolfazl. hosseini
{"title":"Using curve fitting for spectral reflectance curves intervals in order to hyperspectral data compression","authors":"Mersedeh Beitollahi, S. A. Hosseini, abolfazl. hosseini","doi":"10.1109/CSNDSP.2016.7573958","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7573958","url":null,"abstract":"Hyperspectral (HS) images due to the simultaneous data acquisition in hundreds of narrow and close spectral bands, have high between bands correlation. In order to storage and transformation, they need to be compressed. A number of lossy/lossless methods have been developed for data compression in spatial or spectral domain. Spectral information of HS data has much more of importance than spatial information; therefore compression should be done in such a way that the spectral information is well preserved. In this paper, a lossy compression technique in the spectral domain is proposed by using curve fitting. The method has better performance compared to data compressing method using principal component analysis. In the presented method, the spectral reflectance curve (SRC) of each pixel is divided into a few non-overlapping intervals based on a specific criterion, and then, a polynomial function is fitted on each interval. The calculated coefficients of each fitted curve are considered as the new features of that section of the SRC. The experimental results show that the compressed data after the recovery is very similar to the original data.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129890022","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
Accuracy of jitter and shimmer measurements for speaker in the database TIMIT and NTIMIT TIMIT和NTIMIT数据库中扬声器抖动和闪烁测量的精度
I. Daly, Michal Novotný, Zied Hajaiej, Ali Garsallah
{"title":"Accuracy of jitter and shimmer measurements for speaker in the database TIMIT and NTIMIT","authors":"I. Daly, Michal Novotný, Zied Hajaiej, Ali Garsallah","doi":"10.1109/CSNDSP.2016.7573987","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7573987","url":null,"abstract":"In this work we present the method that we have adopted in order to leave in search of the speaker through different measures of jitter and shimmer are measures of the fundamental frequency and of amplitude variations cycle to cycle. We have used these two indices as they characterize some aspects concerning the Voice individuals, so it helps us to have a certain degree of specificity of speaker. This study thus allows us on the one hand to better understand where these indices to discriminate the speakers and sets out criteria to distinguish the quality of the signal according to the conditions of registration for the automatic recognition of the speaker with the base TIMIT and NTIMIT.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127276814","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
Radio over WDM-PON by spatial multiplexing in few mode fiber WDM-PON无线电在少模光纤中的空间复用
S. You, Y. Wang, Zhen Wang, Mengchi Chen, Xiang Li, Ming Luo, Ying Qiu, Rong Hu, Qi Yang, Jian Chen
{"title":"Radio over WDM-PON by spatial multiplexing in few mode fiber","authors":"S. You, Y. Wang, Zhen Wang, Mengchi Chen, Xiang Li, Ming Luo, Ying Qiu, Rong Hu, Qi Yang, Jian Chen","doi":"10.1109/CSNDSP.2016.7574032","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7574032","url":null,"abstract":"In this paper, we propose mode division multiplexing in radio over fiber transmission system to increase the channel capacity in the uplink of wavelength division multiplexing (WDM) passive optical networks (PONs). The experiment is demonstrated in a 2×2 multiple input multiple output (MIMO) OFDM radio over fiber system including both wireless transmission and two-mode few-mode fiber (FMF) transmission. The MIMO digital signal processing algorithm can successfully compensate the crosstalk induced in wireless and FMF transmissions.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130645526","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
Non-binary turbo codes on additive impulsive noise channels 加性脉冲噪声信道上的非二进制turbo码
Wael Abd-Alaziz, M. Johnston, S. L. Goff
{"title":"Non-binary turbo codes on additive impulsive noise channels","authors":"Wael Abd-Alaziz, M. Johnston, S. L. Goff","doi":"10.1109/CSNDSP.2016.7574024","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7574024","url":null,"abstract":"It is well known that binary error-correcting codes with iterative decoders can achieve near Shannon-limit performance on the additive white Gaussian noise (AWGN) channel, but their performance on more realistic wireless channels can become degraded due to the presence of burst errors or impulsive noise due to interference. A better performing coding scheme is the class of non-binary codes, which are known to be more effective in correcting burst errors, but interestingly there is no research reported in the literature investigating non-binary codes on impulsive noise channels. In this paper, we investigate the performance of non-binary turbo codes defined in a finite field GF(4) on symmetric alpha-stable impulsive noise channels and compare with comparable binary turbo codes. A Cauchy receiver is also employed to mitigate the effects of the channel to assist the turbo decoding. Our simulation results show that although the non-binary turbo code performs similarly to the binary turbo code on the AWGN channel, it achieves a significant coding gain over the binary turbo code as impulsiveness increases.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130742513","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
Performance of eU-OFDM based relay-assisted visible light communications 基于eU-OFDM的中继辅助可见光通信性能研究
Gerard Djengomemgoto, Omer Narmanlioglu, M. Uysal
{"title":"Performance of eU-OFDM based relay-assisted visible light communications","authors":"Gerard Djengomemgoto, Omer Narmanlioglu, M. Uysal","doi":"10.1109/CSNDSP.2016.7573914","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7573914","url":null,"abstract":"In this paper, we consider relay-assisted visible light communication (VLC) system where intermediate light source cooperates with main light source. Following IEEE 802.15.7r VLC reference channel model, we assume presence of two difference light sources in office space. First one is information source employed on ceiling and second one is desk lamp. Our system builds upon enhanced unipolar optical orthogonal frequency division multiplexing (eU-OFDM) where task light performs amplify-and-forward relaying to assist the communication and operates in half-duplex mode. We investigate bit error rate performance of relay-assisted VLC system and demonstrate that cooperation brings significant performance gains over direct transmission.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128106780","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
Efficient transmission under low dimming control levels in indoor visible light communications 低调光控制水平下室内可见光通信的高效传输
Xiaodi You, Jian Chen, Changyuan Yu, Zabih Ghassemlooy
{"title":"Efficient transmission under low dimming control levels in indoor visible light communications","authors":"Xiaodi You, Jian Chen, Changyuan Yu, Zabih Ghassemlooy","doi":"10.1109/CSNDSP.2016.7573899","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7573899","url":null,"abstract":"In indoor visible light communication (VLC) systems based on orthogonal frequency division multiplexing (OFDM), employing multi-pulse position modulation (MPPM) for dimming control will affect the receiver (Rx) sensitivity requirement particularly at low dimming levels (DLs), thus affecting the system bit error rate (BER) performance. In this paper, we propose a hybrid visible light (VL) and infrared (IR) link, where the IR is used for downlink when the DL for VLC is very low. The “off” periods of MPPM is utilized for data transmission without affecting the illumination level. This arrangement will ensure data transmission under all illumination and dark conditions. Numerical results show that by adopting the IR link, low level M-ary quadrature amplitude modulation can be always used. At low DLs, both the Rx sensitivity requirement of the VL signal and the required transmit power can be significantly alleviated while keeping a constant data rate at a BER <; 10-3.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122433325","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
Exact perfect reconstruction of filter window bank with application to incompatible nonuniform filter banks 滤波器窗组的精确重构及其在不相容非均匀滤波器组中的应用
Qing Liu, Xiao-Zhi Zhang, W. Ling, Meilin Wang, Qingyun Dai
{"title":"Exact perfect reconstruction of filter window bank with application to incompatible nonuniform filter banks","authors":"Qing Liu, Xiao-Zhi Zhang, W. Ling, Meilin Wang, Qingyun Dai","doi":"10.1109/CSNDSP.2016.7573965","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7573965","url":null,"abstract":"This paper proposes a filter window bank structure. It consists of a bank of single input single output analysis linear time invariant filters, a bank of analysis periodic windows, a bank of single input single output synthesis linear time invariant filters and a bank of synthesis periodic windows. Since the joint downsampling functions and the upsampling functions in conventional uniform filter banks, conventional nonuniform filter banks, conventional uniform block filter banks and conventional nonuniform block filter banks are particular types of periodic window functions, these conventional filter banks are particular types of the proposed filter window banks. This paper derives the exact perfect reconstruction conditions for the proposed filter window banks with both the constant and the time varying synthesis periodic window functions. Finally, the filter window banks with both the constant synthesis periodic window functions and the time varying periodic window functions are compared to conventional nonuniform filter banks and conventional nonuniform block filter banks.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121210054","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
Using genetic algorithm for advanced municipal waste collection in Smart City 基于遗传算法的智慧城市高级城市垃圾收集
R. Fujdiak, Pavel Mašek, P. Mlynek, J. Misurec, Ekaterina Olshannikova
{"title":"Using genetic algorithm for advanced municipal waste collection in Smart City","authors":"R. Fujdiak, Pavel Mašek, P. Mlynek, J. Misurec, Ekaterina Olshannikova","doi":"10.1109/CSNDSP.2016.7574016","DOIUrl":"https://doi.org/10.1109/CSNDSP.2016.7574016","url":null,"abstract":"The Internet of Things (IoT), as expected infrastructure for envisioned concept of Smart City, brings new possibilities for the city management. IoT vision introduces promising and economical solutions for massive data collection and its analysis which can be applied in many domains and so make them operating more efficiently. In this paper, we are discussing one of the most challenging issues - municipal waste-collection within the Smart City. To optimize the logistic procedure of waste collection, we use own genetic algorithm implementation. The presented solution provides calculation of more efficient garbage-truck routes. As an output, we provide a set of simulations focused on mentioned area. All our algorithms are implemented within the integrated simulation framework which is developed as an open source solution with respect to future modifications.","PeriodicalId":298711,"journal":{"name":"2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115411947","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: 55
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