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Unitary Cyclic Music Algorithm In A Multipath Environment

Zhigang Liu, Jinkuan Wang
2004 Zenodo  
Publication in the conference proceedings of EUSIPCO, Viena, Austria, 2004  ...  Thus a signal selective Unitary Cyclic MUSIC algorithm is proposed to circumvent the drawback,which has a better performance in the presence of multipath propagation in this paper.  ...  The results for Cyclic MUSIC algorithm and Unitary Cyclic MUSIC algorithm versus the SNR are plotted in Fig. 4.  ... 
doi:10.5281/zenodo.38164 fatcat:nundxuk3s5d2ppiexm25ih3q6y

An eigenstructure-based 2D DOA estimation method using dual-size spatial invariance array

XueYa Yang, BaiXiao Chen, YunHai Chen
2010 Science China Information Sciences  
A sparse planar array vertically placed in y − z plane is proposed to improve the angle estimation accuracy of sources in low angle region with reflection multipath.  ...  obtains cyclically ambiguous fine estimates of low-variance.  ...  Acknowledgements This work was supported by the Program for New Century Excellent Talents in University (Grant No.  ... 
doi:10.1007/s11432-010-4138-y fatcat:xxinbytc5ffitfdbbxoitggrx4

Unitary cyclic ESPRIT-like direction finding

ZhiGang Liu, JinKuan Wang
2010 Science China Information Sciences  
A unitary formulation of cyclic ESPRIT algorithm, with uniform linear array (ULA) configuration, is proposed by constructing the forward backward cyclic autocorrelation matrix by Hermitian mapping.  ...  In addition, this method allows to select desired signals and to ignore interferences because of its signal-selective property.  ...  In [1] , Huarng and Yeh presented a real-valued variant of spectral MUSIC based on a unitary transformation.  ... 
doi:10.1007/s11432-010-4057-y fatcat:gq5ht7op2ffixfyji3zcq7sa6y

Linear Prediction Approach to Direction Estimation of Cyclostationary Signals in Multipath Environment

Jingmin XIN, Akira SANO
2000 Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications  
Therefore, this paper aims to investigate an efficient method for estimating the DOA of closely spaced narrowband cyclostationary signals in a multipath propagation environment.  ...  Linear Prediction Approach to Direction Estimation of Cyclostationary Signals in Multipath Environment Jingmin Xin, Member, IEEE, and Akira Sano, Member, IEEE Abstract-In this paper, we investigate the  ...  In fact, the LP parameters satisfy the relation [43] , [44] (B2) where is a complex constant.  ... 
doi:10.5687/sss.2000.315 fatcat:pgginbs24fbwzhoi7tybn5pqca

Cyclostationarity-based DOA estimation algorithms for coherent signals in impulsive noise environments

Yang Liu, Qiong Wu, Yinghui Zhang, Jing Gao, Tianshuang Qiu
2019 EURASIP Journal on Wireless Communications and Networking  
The new algorithms can be used in the presence of a wide range of interference, Gaussian noise, and α-stable distribution impulsive noise environments.  ...  Estimating direction of arrival (DOA) is important in a variety of practical applications.  ...  improvements over the FLOS-based MUSIC and ESPRIT algorithms; (2) in impulsive environments, the proposed methods are more robust to impulsive noise than the cyclic MUSIC and cyclic ESPRIT algorithms;  ... 
doi:10.1186/s13638-019-1410-8 fatcat:3xnok7lgyjhk3js3ah6txbkaea

Linear prediction approach to direction estimation of cyclostationary signals in multipath environment

Jingmin Xin, A. Sane
2001 IEEE Transactions on Signal Processing  
In the proposed algorithm, the evaluation of the cyclic array covariance matrix is avoided, and the difficulty of choosing the optimal time lag parameter is alleviated.  ...  In this paper, we investigate the estimation of the directions-of-arrival (DOA) of closely spaced narrowband cyclostationary signals in the presence of multipath propagation.  ...  Therefore, this paper aims to investigate an efficient method for estimating the DOA of closely spaced narrowband cyclostationary signals in a multipath propagation environment.  ... 
doi:10.1109/78.912915 fatcat:5eb5n7vlonhwxd4uyfaxtf3eay

Maximum likelihood estimation of OFDM carrier frequency offset

Biao Chen
2002 IEEE Signal Processing Letters  
Alternatively receiver diversity may be used in the CFO estimation. We show that in both cases, the estimator again reduces to the form similar to that of the MUSIC-like algorithm as in [1].  ...  It turned out that the resulting estimator has an identical form to that of a previously proposed blind estimation scheme by Liu and Tureli [1].  ...  Acknowledgments This work was supported in part by the CASE center of Syracuse University.  ... 
doi:10.1109/97.1001648 fatcat:e5fmrcws2jbqjkc4vzsmunvvxe

Delay Estimation for Ranging and Localization Using Multiband Channel State Information

Tarik Kazaz, Gerard J. M. Janssen, Jac Romme, Alle-Jan Van der Veen
2021 IEEE Transactions on Wireless Communications  
In wireless networks, an essential step for precise range-based localization is the high-resolution estimation of multipath channel delays.  ...  The data model of the acquired measurements has a multiple shift-invariance structure, and we use this property to develop a high-resolution delay estimation algorithm.  ...  Therefore, the main challenge is the design of (i) a practical approach for measuring the channel, and (ii) high-resolution delay estimation algorithms in the presence of close-in multipath. A.  ... 
doi:10.1109/twc.2021.3113771 fatcat:tki3sobwpzcbjmkm2x6dydlozi

Survey of WiFi positioning using time-based techniques

Ahmed Makki, Abubakr Siddig, Mohamed Saad, Chris Bleakley
2015 Computer Networks  
i o n o f a w o r k t h a t Abstract Estimating the position of mobile devices with high accuracy in indoor environments is of interest across a wide range of applications.  ...  This paper provides an overview of the IEEE 802.11 standards and summarizes the key research challenges in 802.11 time-based positioning.  ...  We thank our project collaborators in Rice University, Houston, Texas, and Queen's University, Belfast, for their continued assistance and support.  ... 
doi:10.1016/j.comnet.2015.06.015 fatcat:7zwdvfolkzbpth6oqpawy5d5ji

Source localization using a non-cocentered orthogonal loop and dipole (NCOLD) array

Zhaoting Liu, Tongyang Xu
2013 Chinese Journal of Aeronautics  
By exploiting the polarization information of impinging waves, an electromagnetic vector-sensor array outperforms the unpolarized scalar-sensor array in resolving this cyclic ambiguity.  ...  A uniform array of scalar-sensors with intersensor spacings over a large aperture size generally offers enhanced resolution and source localization accuracy, but it may also lead to cyclic ambiguity.  ...  Moreover, with a pre-processing procedure, the proposed algorithm can be extended to estimate DOAs in a multipath environment.  ... 
doi:10.1016/j.cja.2013.10.010 fatcat:2gxxws6ehbexrjg4ww7beznggq

Multidimensional Sparse Recovery for MIMO Channel Parameter Estimation [article]

Christian Steffens, Yang Yang, Marius Pesavento
2016 arXiv   pre-print
Multipath propagation is a common phenomenon in wireless communication.  ...  Our proposed decomposition relies on convex optimization in terms of nuclear norm minimization and we present an efficient implementation in terms of the recently developed STELA algorithm.  ...  In [3] a variation of the MUSIC algorithm for joint MD channel parameter estimation has been presented, which is applicable to arbitrary spatio-temporal sampling.  ... 
arXiv:1603.05410v1 fatcat:foqlzzwcy5gkzabefelal3coky

Multidimensional sparse recovery for MIMO channel parameter estimation

Christian Steffens, Yang Yang, Marius Pesavento
2016 2016 24th European Signal Processing Conference (EUSIPCO)  
Multipath propagation is a common phenomenon in wireless communication.  ...  Our proposed decomposition relies on convex optimization in terms of nuclear norm minimization and we present an efficient implementation in terms of the recently developed STELA algorithm.  ...  In [3] a variation of the MUSIC algorithm for joint MD channel parameter estimation has been presented, which is applicable to arbitrary spatio-temporal sampling.  ... 
doi:10.1109/eusipco.2016.7760211 dblp:conf/eusipco/SteffensYP16 fatcat:7aqqfyavkzc2lodbitjlw6mgiu

AoA-aware Probabilistic Indoor Location Fingerprinting using Channel State Information [article]

Luan Chen, Iness Ahriz, Didier Le Ruyet
2019 arXiv   pre-print
In the online phase, by exploiting both CSI amplitude and phase information, a novel bivariate kernel regression scheme is proposed to precisely infer the target's location.  ...  Meanwhile, the harsh indoor environment can also breed similar radio signatures among certain predefined reference points (RPs), which may be randomly distributed in the area of interest, thus mightily  ...  The total gain of nearly 10 degrees validates the superior performance of our super-resolution JADE-MUSIC algorithm. 6) Impact of AoA Proximity in NLoS Condition: For NLoS environment such as the laboratory  ... 
arXiv:1912.10108v1 fatcat:juxfaxojwbfvdkf6abclj7dv7y

Analysis of Smoothing Techniques for Subspace Estimation with Application to Channel Estimation

Niels Lovmand Pedersen, Morten Lomholt Jakobsen, Christian Rom, Bernard Henri Fleury
2011 2011 IEEE International Conference on Communications (ICC)  
ACKNOWLEDGMENT This work was supported in part by the 4GMCT cooperative research project funded by Infineon Technologies Denmark A/S, Agilent Technologies, Aalborg University and the Danish National Advanced  ...  Technology Foundation and by the European Commission within the ICT-216715 FP7 Network of Excellence in Wireless Communications (NEWCOM++) and the two projects ICT-217033 and ICT-248894 Wireless Hybrid  ...  We consider an OFDM system with the channel estimation performed as in [8] and [9] operating in a multipath environment. II. SYSTEM DESCRIPTION A.  ... 
doi:10.1109/icc.2011.5962560 dblp:conf/icc/PedersenJRF11 fatcat:3j6h47aflrgezcy3xjqbu5jahe

Tensor-Based Channel Estimation for Dual-Polarized Massive MIMO Systems

Cheng Qian, Xiao Fu, Nicholas D. Sidiropoulos, Ye Yang
2018 IEEE Transactions on Signal Processing  
Furthermore, a compressed tensor decomposition algorithm is developed for alleviating the downlink training overhead.  ...  However, most existing channel estimation work under the DD model has not yet considered DP arrays, perhaps because of the complex array manifold and the resulting difficulty in algorithm design.  ...  Xie, ‘Unitary PUMA algorithm for estimating the frequency of a complex sinusoid,” IEEE Trans. Signal Process., vol. 63, no. 20, pp. 5358-5368, 2015. [30] D. C. Rife and R. R.  ... 
doi:10.1109/tsp.2018.2873506 fatcat:lunrha5c3vgcnlz2past7oin74
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