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检索条件"主题词=SAGE Algorithm"
67 条 记 录,以下是51-60 订阅
排序:
EM/sage Based ML Channel Estimation for Uplink DS-CDMA Systems over Time-Varying Fading Channels
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IEEE COMMUNICATIONS LETTERS 2008年 第10期12卷 740-742页
作者: Dogan, Hakan Istanbul Univ Dept Elect & Elect Engn TR-34320 Istanbul Turkey
The matrix inversion for the maximum likelihood (ML) channel estimation requires high complexity for the direct-sequence code-division multiple-access (DS-CDMA) systems. The prime motivation of the paper is to propose... 详细信息
来源: 评论
Modeling and estimation of the direction-delay power spectrum of the propagation channel
Modeling and estimation of the direction-delay power spectru...
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3rd IEEE International Symposium on Control, Communications and Signal Processing (ISCCSP 2008)
作者: Yin, Xuefeng Liu, Lingfeng Pedersen, Troels Nielsen, Daniel K. Fleury, Bernard H. Aalborg Univ Sect Nav & Commun Dept Elect Syst Aalborg Denmark
In this contribution, a multi-variate probability density function (pdf) is derived and used to describe the normalized direction-(i.e. azimuth and elevation)-delay power spectral density of individual dispersed compo... 详细信息
来源: 评论
Modeling and Estimation of the Direction-Delay Power Spectrum of the Propagation Channel
Modeling and Estimation of the Direction-Delay Power Spectru...
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3rd International Symposium on Communications, Control, and Signal Processing (ISCCSP 2008), vol.1
作者: Xuefeng Yin Lingfeng Liu Troels Pedersen Daniel K. Nielsen Bernard H. Fleury Section Navigation and Communications Department of Electronic Systems University of Aalborg Aalborg Denmark Electromagnetics Microwave Communication Department of Electricity Université Catholique de Louvain Louvain-la-Neuve Belgium Forschungszentrum Telekommunikation Wien Vienna Austria
In this contribution, a multi-variate probability density function (pdf) is derived and used to describe the normalized direction-(i.e. azimuth and elevation)-delay power spectral density of individual dispersed compo... 详细信息
来源: 评论
On some near optimal low complexity detectors for MIMO fading channels
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IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 2007年 第4期6卷 1182-1186页
作者: Xie, Yongzhe Li, Qiang Georghiades, Costas N. Texas A&M Univ Dept Elect Engn College Stn TX 77843 USA
We introduce several low complexity sub-optimal MIMO detection schemes based on the List-BLAST algorithm, which exhausts the constellation points in the first layer of a BLAST scheme to generate multiple candidate sol... 详细信息
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Direction of arrival (DOA) parameter estimation with the sage algorithm
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SIGNAL PROCESSING 2004年 第3期84卷 619-629页
作者: Verhaevert, J Van Lil, E Van de Capelle, A Katholieke Univ Leuven Div ESAT TELEMIC B-3001 Louvain Belgium
In this study, we investigate the estimation of the relative delay, the azimuth and elevation angle and the complex amplitude of a known received signal with the space alternating generalised expectation (sage) maximi... 详细信息
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Improved sage algorithm for PET image reconstruction using rescaled block-iterative method
Improved SAGE algorithm for PET image reconstruction using r...
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26th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society
作者: Zhu, HQ Zhou, J Shu, HZ Li, SY Luo, LM Southeast Univ Dept Biol Sci & Med Engn Nanjing 210096 Peoples R China
Iterative reconstruction methods such as the expectation maximization maximum likelihood (EMML) method can be accelerated by using a resealed block-iterative (RBI) algorithm. It was demonstrated that the space-alterna... 详细信息
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Recursive EM and sage-inspired algorithms with application to DOA estimation
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2005年 第8期53卷 2664-2677页
作者: Chung, PJ Böhme, JF Natl Chiao Tung Univ Dept Elect Engn Hsinchu 300 Taiwan Ruhr Univ Bochum Dept Elect Engn & Informat Sci D-44780 Bochum Germany
This paper is concerned with recursive estimation using augmented data. We study two recursive procedures closely linked with the well-known expectation and maximization (EM) and space alternating generalized EM (sage... 详细信息
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Double directional ultra wideband channel characterization in a line-of-sight home environment
Double directional ultra wideband channel characterization i...
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International Workshop on Ultra Wideband Systems/Conference on Ultra Wideband Systems and Technologies
作者: Haneda, K Takada, J Kobayashi, T Natl Inst Informat & Commun Technol UWB Technol Inst Yokosuka Kanagawa 2390847 Japan Tokyo Inst Technol Grad Sch Sci & Technol Int Dev Engn Tokyo 1528550 Japan Tokyo Denki Univ Tokyo 1018049 Japan
This paper introduces the concept of measuring double directional channels in ultra wideband (UWB) systems. Antenna-independent channel data were derived by doing the measurements in a wooden Japanese house. The data ... 详细信息
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Experimental determination of propagation paths for the ETC system - Equipment development and field test
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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2004年 第11期E87A卷 3008-3015页
作者: Haneda, K Takada, J Iwata, T Wakinaka, Y Kunishima, T Tokyo Inst Technol Dept Int Dev Engn Tokyo 1528552 Japan Japan Publ Highway Corp Tokyo 1008979 Japan Takenaka Corp Chiba 2701395 Japan
Electronic Toll Collection (ETC), an application of Dedicated Short Range Wireless Communication (DSRC), had suffered from wrong operations due to multipath problems. To solve this problem, we proposed to apply a simp... 详细信息
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Joint multi-dimensional channel parameter estimation schemes for DS-CDMA systems using a modified version of the sage algorithm
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IEICE TRANSACTIONS ON COMMUNICATIONS 2001年 第3期E84B卷 511-519页
作者: Senhaji, YR Yamazato, T Katayama, M Ogawa, A Nagoya Univ Dept Informat Engn Grad Sch Engn Nagoya Aichi 4648603 Japan Nagoya Univ Ctr Informat Media Studies Nagoya Aichi 4648603 Japan Meijo Univ Sch Sci & Technol Dept Informat Sci Nagoya Aichi 4688502 Japan
A modified version of the sage algorithm is presented for joint delay-azimuth-attenuation parameters' estimation in a multiuser DS-CDMA system. The introduced modification consists of using different time interval... 详细信息
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