2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)最新文献

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Wavelength Reconfigurable Point-to-Multipoint Fiber-Wireless Fronthaul with 10 Gb/s traffic for Network Sharing Applications 波长可重构点对多点光纤无线前传与10gb /s流量的网络共享应用
C. Vagionas, R. Maximidis, G. Kalfas, M. Gatzianas, A. Mesodiakaki, A. Miliou, N. Pleros
{"title":"Wavelength Reconfigurable Point-to-Multipoint Fiber-Wireless Fronthaul with 10 Gb/s traffic for Network Sharing Applications","authors":"C. Vagionas, R. Maximidis, G. Kalfas, M. Gatzianas, A. Mesodiakaki, A. Miliou, N. Pleros","doi":"10.1109/CSNDSP54353.2022.9907934","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907934","url":null,"abstract":"A reconfigurable Fiber-Wireless fronthaul that can steer $4 lambda -$WDM IFoF channels with 4x 2.5 Gb/s data traffic of 16-QAM signals to V-band Phased Antennas Array using an AWGR as an all-passive any-to-any wavelength router is experimentally evaluatedpresented towards promoting the coexistence of multiple fronthaul streams of Mobile Network Operators/Tenants operating over a single, shared 5G C-RAN architecture, while simultaneously satisfying for the first time, the 5G Key Performance Indicator (KPI) requirement for a 10 Gb/s aggregate peak-data traffic capacity through FiWi mmWave/IFoF links based on Phased Array Antenna with RF beamsteering.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114657379","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
Prediphant: Short Term Heavy User Prediction 预见:短期重度用户预测
D. Sanvito, G. Siracusano, Roberto Gonzalez, R. Bifulco
{"title":"Prediphant: Short Term Heavy User Prediction","authors":"D. Sanvito, G. Siracusano, Roberto Gonzalez, R. Bifulco","doi":"10.1109/CSNDSP54353.2022.9907909","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907909","url":null,"abstract":"Traffic prediction is of paramount importance for the correct management of network infrastructures. Most research efforts try to forecast the aggregated traffic over the network and over large time windows. In this work, we tackle the problem the other way around. That is, we predict the behaviour of individual users over short time windows. First, we investigate the contribution of the most data eager users to the global network traffic. We do it by analyzing network traces coming from several thousand real users. Then, we design a technique, based on a combination of Natural Language Processing (NLP) and Long Short-Term Memory (LSTM) machine learning models, that leverages past navigation patterns to predict sudden changes in the amount of resources consumed by each user. Finally, we evaluate our method using real data finding it is able to predict about 80% of the users that will rump up their network needs in most realistic scenarios.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"381 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120849220","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
An ultra-short polarization beam splitter based on dual-core photonic crystal fiber with a nematic liquid crystal filled air hole 一种基于双芯光子晶体光纤的向列液晶填充气孔的超短偏振分束器
Yanan Xu, J. Yuan, Yuwei Qu, B. Yan, Kuiru Wang, Qiang Wu
{"title":"An ultra-short polarization beam splitter based on dual-core photonic crystal fiber with a nematic liquid crystal filled air hole","authors":"Yanan Xu, J. Yuan, Yuwei Qu, B. Yan, Kuiru Wang, Qiang Wu","doi":"10.1109/CSNDSP54353.2022.9907930","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907930","url":null,"abstract":"An ultra-short polarization beam splitter based on dual-core photonic crystal fiber with a nematic liquid crystal filled air hole is designed. The designed ultra-short PBS has a splitting length of 65 $mu$m and the maximum extinction ratio of 101.72 dB. In addition, its bandwidth is about 364 nm, which covers the most O+E+S+C+L communication band.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"238 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120854512","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
Experimental Validation of Zero Padding in SEFDM Systems Using Over-the-Air Transmission 无线传输SEFDM系统中零填充的实验验证
Waseem Ozan, R. Grammenos, I. Darwazeh
{"title":"Experimental Validation of Zero Padding in SEFDM Systems Using Over-the-Air Transmission","authors":"Waseem Ozan, R. Grammenos, I. Darwazeh","doi":"10.1109/CSNDSP54353.2022.9907982","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907982","url":null,"abstract":"Non-orthogonal spectrally efficient frequency division multiplexing (SEFDM) saves bandwidth by compressing the frequency spacing between the subcarriers. This is at the cost of introducing inter-carrier interference (ICI) between the subcarriers. This self-created ICI compounded by the signal degradation caused during wireless propagation in multipath environments, complicates the task of channel estimation and equalisation. Recent studies suggest that combining zero padding (ZP) with SEFDM signals can simplify the challenge of channel estimation and equalisation in the frequency-domain. In this work, we validate experimentally the new ZP scheme through over-the-air transmission of radio frequency (RF) signals. Experimental results prove that using ZP in SEFDM enhances the channel estimation and equalisation accuracy, in comparison to conventional cyclic prefix (CP)-SEFDM. In addition, it is shown that ZP-SEFDM offers robustness against timing offsets.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121278161","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
Unmanned aerial vehicle positioning and user equipment power allocation 无人机定位与用户设备功率分配
J. Martins, C. H. Antunes, Marco Gomes, V. Silva, R. Dinis
{"title":"Unmanned aerial vehicle positioning and user equipment power allocation","authors":"J. Martins, C. H. Antunes, Marco Gomes, V. Silva, R. Dinis","doi":"10.1109/CSNDSP54353.2022.9907929","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907929","url":null,"abstract":"In the near future, unmanned aerial vehicles (UAVs) will have enormous potential applications for next generation wireless communication systems, in which they can collaborate to serve several user equipment (UE) for communication purposes.Disaster scenarios are a relevant research topic, in which UAVs can aid establishing connections in circumstances where base stations (BS) may be inoperative.The resulting UAV positioning affects the overall spectral efficiency (SE) in each UAV-UE link. Moreover, UEs energy consumption must be optimized since the finite amount of energy available is one of the most significant limitations of these devices. Therefore, it is essential to determine the lowest power consumption necessary to guarantee a minimum SE throughput in a disaster location.In this paper, we investigate a cooperative meta-heuristic (MH) optimization algorithm for both the UAVs and UEs. We propose two parallel optimization approaches: one is the UAV search position process to find the best possible location to serve its pre-allocated UEs; the other is finding the lowest possible uplink (UL) power values for each user’s equipment. The preliminary results show that the Differential Evolution (DE) algorithm reaches good quality solutions in acceptable computation runtime.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127300681","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
Study on fabrication and sensing characteristics of a D-shaped fiber long-period fiber grating d型长周期光纤光栅的制作及传感特性研究
Hou Li, B. Liu, Juan Liu, Zabih Ghassemlooy, Qiang Wu
{"title":"Study on fabrication and sensing characteristics of a D-shaped fiber long-period fiber grating","authors":"Hou Li, B. Liu, Juan Liu, Zabih Ghassemlooy, Qiang Wu","doi":"10.1109/CSNDSP54353.2022.9907937","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907937","url":null,"abstract":"A long-period fiber grating (LPFG) structure based on D-shaped fiber is proposed, where a graphene oxide (GO) film layer is deposited on the fiber by the dipping method to jointly construct a new humidity sensor. The D-shaped fiber structure can provide a stronger evanescent field than conventional fibers, and therefore offer much higher sensitivity. The maximum average sensitivity achieved by the sensor in the range of ambient humidity of 20-80% RH (relative humidity) is -0.1908 nm/% RH, and the linearity is 0.998. The experimental results show that the humidity sensor has higher response sensitivity, and improved linear response characteristics. It provides a beneficial exploration for the development of low-cost, easy-to-manufacture, and highly sensitive fiber-optic humidity sensors.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126939715","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
Outage Performance of 6G NOMA Dual-Hop Hybrid RF-PLC System with Imperfect SIC 不完全SIC下6G NOMA双跳混合RF-PLC系统的中断性能
Ahmed Samir, Mohamed Elsayed, A. El-Banna, Taissir Y. Elganimi, Khaled Maaiuf Rabie, B. M. Elhalawany
{"title":"Outage Performance of 6G NOMA Dual-Hop Hybrid RF-PLC System with Imperfect SIC","authors":"Ahmed Samir, Mohamed Elsayed, A. El-Banna, Taissir Y. Elganimi, Khaled Maaiuf Rabie, B. M. Elhalawany","doi":"10.1109/CSNDSP54353.2022.9907944","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907944","url":null,"abstract":"The combination of power line communications (PLC) and radio frequency (RF) is essential for implementing new applications in smart grid and vehicular communications. In this paper, we propose a non-orthogonal multiple access (NOMA) based dual-hop hybrid wireless-power line communication (PLC) system with a decode-and-forward relay. The wireless channel is characterized by Nakagami-m fading under an additive white Gaussian noise, while the PLC channel is characterized by a Log-normal distribution with Bernoulli Gaussian noise including both background and impulsive noise components. New closedform expressions for the outage probability, and the asymptotic outage probability are derived under the practical assumption of imperfect successive interference cancellation (SIC) and verified via extensive representative simulations. For more insights on the outage performance, we also analyze the diversity order. Additionally, we proposed a power allocation optimization technique to achieve outage-optimal performance. The results show that the system outage probability improves as the arrival probability of the PLC impulsive component decreases. Finally, to highlight the achievable performance gain, the performance of the proposed system is compared against a benchmark OMA-based system.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122787578","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
Access-Metro Versatile Coherent Dual Optical Network Providing Integrated Services 接入-城域多用途相干双光网络,提供综合服务
J. Segarra, V. Polo, Miquel Masanas, J. Prat
{"title":"Access-Metro Versatile Coherent Dual Optical Network Providing Integrated Services","authors":"J. Segarra, V. Polo, Miquel Masanas, J. Prat","doi":"10.1109/CSNDSP54353.2022.9907946","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907946","url":null,"abstract":"A novel access-metro network architecture based on lightpath flows, using coherent transmissions, supporting numerous passive optical networks (PONs), and integrating multiple services, including 4G/5G/6G mobile networks, is presented. The lightpaths flows are flexibly assigned in an ultra-dense wavelength division multiplexing PON (UDWDM-PON) with dynamic bandwidth allocation. The mobile networks are integrated in a cloud radio access network (C-RAN), which provides reconfigurable capabilities between the remote radio heads (RRHs) near the users’ premises and the baseband units (BBUs) located at a centralized central office (CO) in the metro side. The whole access-metro proposal incorporates the PONs, including the C-RAN services, in a versatile coherent dual optical network (VERSONET) ring architecture; enabling resilience, real-time centralized control, provisioning and also administration and maintenance (OAM) functions.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122526778","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
MIMO System Based-Constrained Quantum optimization Solution 基于约束量子优化的MIMO系统
Abdulbasit M. A. Sabaawi, Mohammed R. Almasaoodi, Sara El Gaily, S. Imre
{"title":"MIMO System Based-Constrained Quantum optimization Solution","authors":"Abdulbasit M. A. Sabaawi, Mohammed R. Almasaoodi, Sara El Gaily, S. Imre","doi":"10.1109/CSNDSP54353.2022.9907967","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907967","url":null,"abstract":"The multiple-input multiple-output (MIMO) systems provide high data rates and spectral efficiency performance. However, the fundamental problems with these technologies are their rising computational complexity and power consumption. The aim of this paper is to minimize the total transmit power of the MIMO system subject to the target bit rate of the user. The procedure of assigning different transmit power values to transmiting antennas and selecting the optimum total transmit power with respect to the user’s bit rate constraint is computationally hard, especially when the size of the possible transmit power scenarios arises exponentially. To this end, an efficient quantum strategy called Constrained Quantum optimization Algorithm (CQOA) is proposed in this work, which searches faster (exponentially) for the optimum result. The proposed quantum strategy is compared with the various optimization algorithms such as Genetic Algorithm (GA). Simulation results highlight the fact that the CQOA outperforms the GA in terms of computational complexity.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129016114","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
Alzheimer’s Detection with Speech Using Singular Spectrum Analysis Trend Extraction Method 基于奇异谱分析趋势提取方法的语音阿尔茨海默病检测
G. Liao, B. Ling, C. Y. Ho
{"title":"Alzheimer’s Detection with Speech Using Singular Spectrum Analysis Trend Extraction Method","authors":"G. Liao, B. Ling, C. Y. Ho","doi":"10.1109/CSNDSP54353.2022.9907998","DOIUrl":"https://doi.org/10.1109/CSNDSP54353.2022.9907998","url":null,"abstract":"With the aging of the population in various countries, the impact of Alzheimer’s disease on humans is becoming more and more obvious. It is very necessary to propose an Alzheimer’s detection system. This paper attempts to use the singular spectrum analysis trend extraction method to complete the task of Alzheimer’s detection with speech. First, the singular spectrum analysis is performed on the speech signal, and the components obtained by the singular spectrum analysis are divided into a trend part and a detrend part according to the energy ratio. Second, feature extraction is performed on the trend part and the detrend part of the speech signal respectively. These features include multidimensional voice program, the gammatone frequency cepstral coefficient, and the Power-normalized cepstral coefficients. Then, use random forest to calculate the importance of feature vectors, and select the top 30 features that random forest considers the most important as the features used in this article. Finally, random forest is used for classification.","PeriodicalId":288069,"journal":{"name":"2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129267220","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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