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2018 15th International Symposium on Wireless Communication Systems (ISWCS)最新文献

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Impact of Selective Channels on Post-OFDM Waveforms for 5G Machine Type Communications 5G机型通信中选择信道对后ofdm波形的影响
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-28 DOI: 10.1109/ISWCS.2018.8491073
Y. Medjahdi, Y. Louët, Mouna Ben Mabrouk, D. Roviras, R. Zakaria, H. Shaiek, D. L. Ruyet, S. Traverso, R. Gerzaguet, David Demmer, Jean-Baptiste Doré, R. Zayani
{"title":"Impact of Selective Channels on Post-OFDM Waveforms for 5G Machine Type Communications","authors":"Y. Medjahdi, Y. Louët, Mouna Ben Mabrouk, D. Roviras, R. Zakaria, H. Shaiek, D. L. Ruyet, S. Traverso, R. Gerzaguet, David Demmer, Jean-Baptiste Doré, R. Zayani","doi":"10.1109/ISWCS.2018.8491073","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491073","url":null,"abstract":"This paper proposes a thorough comparison of post-OFDM waveforms with both time and frequency selective channels. The waveforms which are considered are CP-OFDM, f-OFDM, WOLA, WOLA-COQAM, FBMC-OQAM, UF-OFDM, Wavelet-OFDM, FFT-FBMC and BF-OFDM. All these waveforms are potential candidates to support critical machine type communications (C-MTC) typically between devices. Based on real propagation channels, it first appears that UF -OFDM is more sensitive to delay spread compared to the others waveforms which have all similar performance. For large velocities, WOLA-COQAM, FFT-FBMC and BF-OFDM experience error floors much larger than the other waveforms.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131396923","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
Kalman Tracking of GEO Satellite Signal for Opportunistic Rain Rate Estimation 基于卡尔曼跟踪的地球同步轨道卫星信号机会雨率估计
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491192
F. Giannetti, R. Reggiannini, M. Moretti, S. Scarfone, A. Colicelli, F. Caparrini, G. Bacci, A. Petrolino, A. Vaccaro, E. Adirosi, A. Mazza, L. Facheris
{"title":"Kalman Tracking of GEO Satellite Signal for Opportunistic Rain Rate Estimation","authors":"F. Giannetti, R. Reggiannini, M. Moretti, S. Scarfone, A. Colicelli, F. Caparrini, G. Bacci, A. Petrolino, A. Vaccaro, E. Adirosi, A. Mazza, L. Facheris","doi":"10.1109/ISWCS.2018.8491192","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491192","url":null,"abstract":"Ahstract- In the NEFOCAST project we aim at estimating rainfall by the opportunistic use of the signal attenuation due to the propagation channel in satellite communications. The estimation is performed by reverse engineering the effects of the various propagation phenomena on the satellite signal. However, the accuracy of the estimation is affected by several factors: in first place the rapid fluctuations in signal amplitude caused by small-scale irregularities in the tropospheric refractive index; secondly, the perturbations of the orbit of GEO satellites, such as the gravitational effects of the moon and the sun, which, even if periodically counteracted by correction maneuvers, nevertheless cause residual orbit inclinations. The problem with all these factors is that they can cause large deviations in the clear-sky measurements that can be misinterpreted as rain events. In this paper we address these problems by employing two Kalman filters designed to track slow and fast changes of the received signal energy, so that the rain events can be reliably estimated.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127213515","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
Low-Complexity Nonlinearity Post Compensator for Shared Band Transmission in Satellite Communication 卫星通信中共享频段传输的低复杂度非线性后补偿器
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491201
Sooyeob Jung, J. Ryu, D. Oh, Heejung Yu
{"title":"Low-Complexity Nonlinearity Post Compensator for Shared Band Transmission in Satellite Communication","authors":"Sooyeob Jung, J. Ryu, D. Oh, Heejung Yu","doi":"10.1109/ISWCS.2018.8491201","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491201","url":null,"abstract":"In this paper, we propose a low-complexity nonlinearity post compensation technique for shared band transmission in the satellite communication system. To reduce the computational overhead of the Volterra equalizer with an adaptive algorithm, we employ the structure of the nonlinearity post compensator using a look-up table (LUT) with the error detector. The error detector computes the amplitude and angle errors between the reference signal and the received signal to estimate the characteristics of a travelling wave tube amplifier (TWTA). By accumulating the computed errors iteratively, the LUT can estimate the compensation values. Finally, we can compensate the nonlinearity of the TWTA by reading these compensation values from the LUT. The effectiveness of the proposed low-complexity technique is verified by simulation results.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127276373","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
On Peak-to-Average Power Ratio Optimization for Coded APSK 编码APSK的峰均功率比优化研究
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491087
Farah Arabian, Willie K. Harrison, Chad Josephson, M. Rice, E. Perrins
{"title":"On Peak-to-Average Power Ratio Optimization for Coded APSK","authors":"Farah Arabian, Willie K. Harrison, Chad Josephson, M. Rice, E. Perrins","doi":"10.1109/ISWCS.2018.8491087","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491087","url":null,"abstract":"The symmetric information rate is used to define the relationship between the APSK constellation parameters, the code rate, and the average and peak E<inf>b</inf>/N<inf>0</inf>. Minimizing the average E<inf>b</inf>/N<inf>0</inf> reproduces the DVB-S2 constellation parameters for 16- and 32-APSK. Minimizing the peak E<inf>b</inf>/N<inf>0</inf>produces DVB-S2 constellation parameters for 16- and 32-APSK that minimize the peak-to-average power ratio. The peak-to-average power ratio gains are less than 1 dB, but when used on coded systems with very steep decoded bit error probability vs. E<inf>b</inf>/N<inf>0</inf> curves, the gains can be significant.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125811974","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
Machine Learning for Channel Estimation from Compressed Measurements 基于压缩测量的信道估计机器学习
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491199
M. Koller, C. Hellings, Michael Knoedlseder, Thomas Wiese, David Neumann, W. Utschick
{"title":"Machine Learning for Channel Estimation from Compressed Measurements","authors":"M. Koller, C. Hellings, Michael Knoedlseder, Thomas Wiese, David Neumann, W. Utschick","doi":"10.1109/ISWCS.2018.8491199","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491199","url":null,"abstract":"It has recently been proposed to employ convolutional neural networks for estimating structured channels, e.g., channels where the received power is concentrated around the centers of a small number of propagation paths. In simulations, the approach shows good performance also for systems with a high number of antennas, but it does not consider that such systems might have less receiver chains than receive antennas. In this case, an analog mixing network would connect the antennas to the receiver chains, which results in low-dimensional observations. In this paper, we study how the machine learning approach can be used to estimate the channel from such compressed measurements.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116460388","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: 7
Joint Power and Channel Allocation for Relay-Assisted Device- to- Device Communications 中继辅助设备对设备通信的联合功率和信道分配
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491059
Miaomiao Liu, Li X. Zhang
{"title":"Joint Power and Channel Allocation for Relay-Assisted Device- to- Device Communications","authors":"Miaomiao Liu, Li X. Zhang","doi":"10.1109/ISWCS.2018.8491059","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491059","url":null,"abstract":"Relay-assisted D2D (Device-to-Device) communication was proposed as a supplement to direct D2D communications for enhancing traffic offloading capacity in Long Term Evolution-Advanced (LTE-A) systems. In this paper, we formulate the joint power and channel allocation relay-assisted D2D communications problem aiming at maximizing the system sum rate of all cellular and D2D links while guaranteeing the minimum required SINR (Signal to Interference and Noise Ratio) of both links. As it is a MINLP (Mixed Integer Non-linear Programming), which can not be solved in polynomial time, we propose two heuristic algorithm (named Proposed HA1 and Proposed HA2) with different complexity levels to solve our design problems. Monte-Carlo simulation results show that the performances of our proposed algorithms with acceptable complexity have a good performance comparing with the optimal performance.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122186876","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
Statistical Analysis of Downlink Transmissions for Ultra-Reliable Low-Latency Communications 超可靠低延迟通信下行传输的统计分析
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491043
Hamidreza Shariatmadari, Zexian Li, K. Hugl, M. Uusitalo, R. Jäntti
{"title":"Statistical Analysis of Downlink Transmissions for Ultra-Reliable Low-Latency Communications","authors":"Hamidreza Shariatmadari, Zexian Li, K. Hugl, M. Uusitalo, R. Jäntti","doi":"10.1109/ISWCS.2018.8491043","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491043","url":null,"abstract":"The fifth generation (5G) of wireless systems aims at providing connectivity for a large number of applications by introducing new services. Ultra-reliable low-latency communications (URLLC) is one of the considered services that envisions mission-critical applications, such as industrial Internet, remote surgery, and intelligent vehicular systems. The 5G new radio (NR) might employ different transmission schemes to meet the stringent URLLC requirements in terms of availability, reliability, and latency. This paper presents downlink transmission schemes that can be utilized to support URLLC. In addition, the statistical reliability analysis is provided. A proper transmission scheme can be selected according to the communication requirements and reliabilities of data and control channels.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128686466","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
Combined K-Means and Amplitude Clustering of Impulse Response for 60 GHz Vehicular Channels 60 GHz车载信道脉冲响应的联合k均值和幅度聚类
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491224
Sucheta Bhaumik, A. Prokeš, A. Chandra
{"title":"Combined K-Means and Amplitude Clustering of Impulse Response for 60 GHz Vehicular Channels","authors":"Sucheta Bhaumik, A. Prokeš, A. Chandra","doi":"10.1109/ISWCS.2018.8491224","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491224","url":null,"abstract":"Saleh- Valenzuela based clustered propagation concept is widely adopted for modelling UWB channels operating in the 3–11 GHz band. In this paper, we examine whether 60 GHz mmWave channels can be modelled along the same line. First, an automatic clustering algorithm is developed for the purpose which groups multipath components according to their time delays and amplitudes. Next, the algorithm is used to analyze measured impulse responses for 60 GHz channels inside a car. It was found that 60 GHz in-vehicle propagation can be characterized quite satisfactorily with IEEE 802.15.3a CM1. The out-of-car channel behaviour, however, is significantly distinct.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129332430","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
Polarization-based Cross-tier Interference Alignment in Cognitive Heterogeneous Cellular Network 认知异构蜂窝网络中基于极化的跨层干扰对齐
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491230
Xiaofang Gao, Caili Guo, Shuo Chen
{"title":"Polarization-based Cross-tier Interference Alignment in Cognitive Heterogeneous Cellular Network","authors":"Xiaofang Gao, Caili Guo, Shuo Chen","doi":"10.1109/ISWCS.2018.8491230","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491230","url":null,"abstract":"To eliminate the cross-tier interference and optimize the bit-error-rate performance of small cell for downlink underlay cognitive heterogeneous cellular network, a novel polarization-based cross-tier interference alignment scheme is proposed in this paper by exploiting the polarization resource of two-tier network. The transmitting and receiving polarization states of small cell are designed by interference alignment-like behaviors of the minimum total mean squared error optimization model under interference power constraint. An analytical and noncooperative closed form solution is provided for the model. Simulation results show the proposed scheme outperforms the existing schemes in bit-error-rate performance of small cell while keeping the maximum sum rate of overall system. And the tradeoff between bit-error-rate performances of macro cell and small cell is also evaluated.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114315084","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
Global Power Amplifier Efficiency Evaluation with PAPR Reduction Method for Post-OFDM Waveforms 后ofdm波形的全局功率放大器效率评估与PAPR降低方法
2018 15th International Symposium on Wireless Communication Systems (ISWCS) Pub Date : 2018-08-01 DOI: 10.1109/ISWCS.2018.8491086
Y. Louët, D. Roviras, A. Nafkha, H. Shaiek, R. Zayani
{"title":"Global Power Amplifier Efficiency Evaluation with PAPR Reduction Method for Post-OFDM Waveforms","authors":"Y. Louët, D. Roviras, A. Nafkha, H. Shaiek, R. Zayani","doi":"10.1109/ISWCS.2018.8491086","DOIUrl":"https://doi.org/10.1109/ISWCS.2018.8491086","url":null,"abstract":"This paper provides simulation results to establish a realistic power budget of a transmitter by taking into account different post-OFDM waveforms along with a non linear high power amplifier (HPA). The waveforms used are the Orthogonal Frequency Division Multiplexing (OFDM), the weighted overlap and add OFDM (WOLA-OFDM) and Block-Filtered OFDM (BF-OFDM) coupled with a Peak to Average Power Ratio (PAPR) method (SeLected Mapping) so as to increase the HPA efficiency. Simulation results show that there is a clear optimum point between the PAPR reduction gain and the overall power budget of the transmitter.","PeriodicalId":272951,"journal":{"name":"2018 15th International Symposium on Wireless Communication Systems (ISWCS)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133708898","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
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