{"title":"Sequence design for radar applications using particle swarm optimization","authors":"Momin Jamil, H. Zepernick","doi":"10.1109/ATC.2016.7764775","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764775","url":null,"abstract":"Performance of polyphase sequences in radar applications can be evaluated using measures including autocorrelation function, integrated sidelobe ratio (ISLR), and peak-to-sidelobe ratio (PSLR). In this paper, we adopt particle swarm optimization to find optimal parameters of Oppermann sequences such that sequences with optimal ISLR and PSLR are generated. This class of sequences has been chosen as it allows to design for a wide range of correlation characteristics by essentially controlling three parameters. A sequence design example is provided in order to illustrate that particle swarm optimization is indeed well-suited to produce optimal sequence designs with respect to the considered performance measures.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"80 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":"124114712","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}
Nguyen Van Cuong, Nguyen Trong Bang, L. D. Tuyen, Pham Ngoc Nam
{"title":"Dynamic mapping of quality adjustable applications on NoC-based reconfigurable platforms","authors":"Nguyen Van Cuong, Nguyen Trong Bang, L. D. Tuyen, Pham Ngoc Nam","doi":"10.1109/ATC.2016.7764799","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764799","url":null,"abstract":"NoC based SoC FPGAs are a promising technology for high performance embedded systems because they provide a good balance between performance, rapid time to market, cost and flexibility. The reconfigurability aspect of FPGAs allows FPGA platforms to adapt themselves to the various processing requirement of applications. On the other hand, many applications are designed in such a way that their quality level can be adjusted to match the processing capability of hardware platforms. In this paper, we consider the problem of mapping quality adjustable applications onto heterogeneous NoC-based dynamically reconfigurable platforms under resource constraints while ensuring the maximum overall quality of service (QoS) of the applications. The parameters such as resource usage efficiency, processing time, communication overhead and quality of service will be considered in the mapping. Simulation results show that the proposed solution is very flexible and can accommodate more applications than existing solutions on the same platform.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"28 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":"127471426","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}
{"title":"An online local boundary detection and classification algorithm for networked multi-robot systems","authors":"Pham Duy Hung, T. Q. Vinh, T. Ngo","doi":"10.1109/ATC.2016.7764783","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764783","url":null,"abstract":"We present an online boundary classification error detection algorithm to improve accuracy of the original distributed boundary detection algorithm for networked multirobot systems. It is a fully decentralized method based on the geometric approach allowing to suppress boundary errors without recursive process and global synchronization. The accuracy of the ration of correctly identified robots over the total number of robots reaches 100%. We have demonstrated the effectiveness of this boundary detection algorithm in both simulation and real-world environment.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"1 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":"116078787","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}
{"title":"Fuzzy-logic based low power solution for Network-on-Chip architectures","authors":"Hai-Phong Phan, Xuan-Tu Tran","doi":"10.1109/ATC.2016.7764801","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764801","url":null,"abstract":"Network-on-Chip (NoC) paradigm allows designers to integrate efficiently more intellectual properties (IPs) into a single chip system. However, the power consumption has become one of the most critical issues for designing such large complex systems. Low power design can be achieved by scaling the voltage and frequency of the target components. The question is how to make the voltage-frequency scaling adaptable to the required performance of the system at run-time while reducing as much as possible the power consumption. This paper presents a novel solution for NoC architectures to reduce power consumption using fuzzy-logic algorithms. As the communication traffic is not equally distributed over the network architecture, depending on the communication load, each router in the network will be applied with a corresponding voltage and frequency to minimize the power consumption while keeping necessary communication throughput.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"418 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":"124199752","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}
Quang-Hai Luong, Duc-Tan Tran, Linh-Trung Nguyen, T. Huynh
{"title":"Estimation of elasticity and viscosity in heterogeneous medium using FDTD method and AHI algorithm","authors":"Quang-Hai Luong, Duc-Tan Tran, Linh-Trung Nguyen, T. Huynh","doi":"10.1109/ATC.2016.7764794","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764794","url":null,"abstract":"Mechanical properties of tissues in terms of elasticity and viscosity provide us useful information which may be used in detecting tumors. These parameters can be estimated from the measurement of particle velocities of shear wave propagation which is generated by a vibrating needle at a certain frequency. For the heterogeneous medium, the finite difference time domain (FDTD) is an effective method to present the shear wave propagation. The elasticity and viscosity are then estimated using the algebraic Helmholtz inversion (AHI) algorithm. However, there is a lack of deep investigation of estimation by combining FDTD method and AHI algorithm. Thus, this paper presents a complete system which includes the principle of excitation and measurement, the FDTD to model the shear wave propagation, the AHI algorithm to estimate the elasticity and viscosity, and the investigation on frequency-dependent the elasticity and viscosity. Also, we suggest that the excitation frequency of 200 Hz will offer the best estimation of the elasticity and viscosity.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"5 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":"121720877","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}
A. Prokeš, Josef Vychodil, Martin Pospísil, J. Blumenstein, T. Mikulášek, A. Chandra
{"title":"Time-domain nonstationary intra-car channel measurement in 60 GHz band","authors":"A. Prokeš, Josef Vychodil, Martin Pospísil, J. Blumenstein, T. Mikulášek, A. Chandra","doi":"10.1109/ATC.2016.7764753","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764753","url":null,"abstract":"The paper deals with a time varying intra-vehicle channel measurement in the 60 GHz millimeter wave (MMW) band using a unique time-domain channel sounder built from off-the-shelf components and standard measurement devices. The aim of the presented work is to describe the sounder architecture, the primary data processing technique, and preliminary results of measurements aimed at the effect of vehicle vibrations and twisting, and passengers moving in a car cabin. As the amplitude of the car cabin vibration and twisting had been supposed to be comparable with the MMW wavelength, some effect on the channel impulse response (CIR) and consequently on the delay-Doppler spread (DDS) was expected. Preliminary results confirm the correctness of this assumption and allow us to assess the effect of different above-mentioned phenomena. We tested the effect of driving the car on different types of road (bumpy road, flat road, highway, etc.). For comparison purposes we use DDS and statistics of CIR amplitudes calculated using the correlative technique applied to the pseudorandom binary sequence.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"19 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":"115139760","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}
{"title":"The design and performance of SEFDM with the Sinc-to-RRC modification of subcarriers spectrums","authors":"A. Gelgor, A. Gorlov, V. Nguyen","doi":"10.1109/ATC.2016.7764831","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764831","url":null,"abstract":"In this paper we propose a utilization of infinite RRC-pulses (with finite root raised cosine spectrum) as shapes for subcarriers' spectrums in spectrally efficient frequency division multiplexing (SEFDM). For this purpose, we suggest algorithms for SEFDM generation and detection in frequency domain. Employing the dualism of Fourier transforms, we treat spectrum samples as time-domain samples, and entire SEFDM spectrum is considered as a time-domain faster-than-Nyquist signal. This approach allows a signal detection based on the Viterbi algorithm. The computational complexity of this receiver depends linearly on a number of allocated subcarriers. A transition from sine to RRC subcarriers' spectrums leads to increase of SEFDM symbol duration in time domain. We have demonstrated by simulation that bandwidth and energy consumptions of SEFDM with RRC subcarriers' spectrums are significantly lower than the consumptions of SEFDM with sine subcarriers' spectrums under a fixed computational complexity of the receiver. In addition, we have represented the comparison of our signals with the conventional SEFDM in terms of modified energy consumptions taking a signal peak to average power ratio into account. In this case, SEFDM with RRC subcarriers' spectrums also outperform SEFDM with sine subcarriers' spectrums.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"1 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":"127573984","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}
{"title":"Improved beamforming for FSO MISO system over gamma-gamma fading with pointing errors","authors":"A. Garg, M. Bhatnagar, O. Berder, B. Vrigneau","doi":"10.1109/ATC.2016.7764806","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764806","url":null,"abstract":"In this paper, we study the problem of feedback based beamforming for multiple-input single-output free space optical (FSO) system with pointing errors. For a 2 × 1 FSO system, it is shown by analysis that any arbitrary beamforming scheme performs poorer than the repetition coding scheme but achieves full diversity over the Gamma-Gamma fading with pointing errors. Then we study a beamforming scheme for 2 × 1 FSO system which employs one bit feedback from receiver to the transmitter. Erroneous feedback leads to loss in diversity for this beamforming scheme as established by the bit error rate (BER) analysis. For avoiding the loss in diversity, an improved one bit feedback based beamforming scheme is proposed which outperforms the repetition coding. The average BER of this scheme is obtained by using the order statistic and it is minimized to find the optimized transmit weights for the transmit apertures under the erroneous feedback over Gamma-Gamma fading with pointing errors.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"23 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":"116714078","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}
V. Nguyen-Duy-Nhat, T. Bui-Thi-Minh, Chien Tang-Tan, Vo Nguyen Quoc Bao, H. Nguyen-Le
{"title":"Joint phase noise and doubly selective channel estimation in full-duplex MIMO-OFDM systems","authors":"V. Nguyen-Duy-Nhat, T. Bui-Thi-Minh, Chien Tang-Tan, Vo Nguyen Quoc Bao, H. Nguyen-Le","doi":"10.1109/ATC.2016.7764817","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764817","url":null,"abstract":"This paper is concerned with the joint estimation of phase noise and time-varying channel responses in full-duplex multiple-input multiple-output (MEMO) orthogonal frequency division multiplexing (OFDM) systems. The time-variation of phase noise and multipath MIMO channel responses gives rise to the identiflability problem of estimating a large number of unknowns which is much greater than the number of received signal samples. To overcome the resulting identiflability estimation problem, this paper employs basis expansion models (BEM) for reducing the number of time-varying channel impairment parameters to be estimated. Using the BEM-based approximation of the channel impairment responses, this paper formulates a pilot-aided algorithm for maximum-a-posteriori (MAP)-based estimation of the BEM coefficients. This paper provides empirical mean squared error (MSE) results of the joint channel impairment parameter estimation and related analytical values of Bayesian Cramer Rao lower bounds (BCRLB). The numerical results illustrate that the use of BEM facilitates reliable estimation of the time-varying channel impairment responses whereas the corresponding MSE and bit-error-rate (BER) values are comparable to related BCRLBs and ideal BER ones, respectively.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"26 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":"127175496","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}
{"title":"The index-based optical spatial modulation scheme in optical MIMO","authors":"Ngoc-Tan Nguyen, Q. Nguyen, Nam-Hoang Nguyen","doi":"10.1109/ATC.2016.7764772","DOIUrl":"https://doi.org/10.1109/ATC.2016.7764772","url":null,"abstract":"Optical Multi-Input and Multi-Output (O-MIMO) is considered as an effective solution in order to achieve high performance for Visible Light Communication (VLC) systems. However, O-MIMO systems are faced with the impact of Inter-Channel Interference (ICI) which results in system performance decrease. In this paper, a novel Index-based Optical Spatial Modulation (IOSM) is proposed to remove ICI and increase spectrum efficiency for indoor VLC systems applying O-MIMO. In our proposed scheme, the signals are DC biased for intensity modulation and direct detection (IM/DD) and a Maximum-likelihood (ML) decoder decision to maximize the signal-to-noise ratio (SNR) at the receiver. Computer simulation results show that the proposed scheme outperforms previously proposed spatial modulation schemes in O-MIMO systems.","PeriodicalId":225413,"journal":{"name":"2016 International Conference on Advanced Technologies for Communications (ATC)","volume":"08 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":"127198896","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}