scholarly journals DCNN Architecture Based Accurate Fingerprint Model Localization for Massive MIMO-OFDM System

2020 ◽  
Vol 8 (5) ◽  
pp. 5109-5112
Keyword(s):  
Practical Implementation ◽  
Frequency Division ◽  
Ofdm Systems ◽  
Modeling Error ◽  
Mimo Ofdm ◽  
Effective Angle ◽  
The Rich ◽  
Definition Of ◽  
Surrounding Areas ◽  
Amplitude Matrix

Fingerprint technology is an exciting facility to locate mobile terminals (MTs) in the rich surrounding areas like metropolitan and enclosed corridor. In this essay discuss the origin of the vast multifaceted frequency-division (OFDM) multiplexing structures with deep-convolution neural networks (DCNNs) centered on the fingerprint. We look at these systems. First recommend an effective angle-relevant amplitude matrix (ADCAM) fingerprint acquiring procedure, providing extreme resolution quality in delay and angle of large MIMO OFDM systems. A DCNN-enabled localization method is then proposed to overcome the modeling error for calculating fingerprint similarity. The definition of DCNN is known as well as DCNN regression. A hierarchic DCNN design is introduced for practical implementation. In a geometry-based following of sign the yield of the DCNN confinement framework is tried by methods for a recreation. Numerical discoveries show that DCNN is amazing at accomplishing high limitation explicit and raising overhead stockpiling and computational intricacy

Techniques for PAPR Reduction in OFDM Systems

2012 ◽  
Vol 443-444 ◽  
pp. 340-346
Author(s):  
Lin Chen ◽  
Xue Long Hu
Keyword(s):  
Orthogonal Frequency Division Multiplexing ◽  
Average Power ◽  
Papr Reduction ◽  
Signal Distortion ◽  
Frequency Division ◽  
Communication Research ◽  
Ofdm Systems ◽  
High Data ◽  
Advantages And Disadvantages ◽  
Definition Of

Orthogonal Frequency Division Multiplexing (OFDM) has been focused on in high-data-rate wireless communication research. But the high Peak-to-Average Power Ratio (PAPR) is one of the main obstacles to limit wide applications of OFDM. In this paper, based on the definition of the PAPR in OFDM systems, these techniques on PAPR reduction are presented, including signal distortion, signal scrambling, and block coding. The advantages and disadvantages of these techniques are discussed in detail and some performances are achieved by Monte Carlo simulations.

Modified MMSE SQRD Based Detection for Coded MIMO-OFDM Systems

2013 ◽  
Vol E96.B (3) ◽  
pp. 830-835 ◽  
Author(s):  
Wen ZHONG ◽  
Anan LU ◽  
Xiqi GAO
Keyword(s):  
Ofdm Systems ◽  
Mimo Ofdm

A Sparsity Enhanced Channel Estimation Algorithm Based on Compressed Sensing in MIMO-OFDM Systems

2014 ◽  
Vol 35 (3) ◽  
pp. 665-670 ◽  
Author(s):  
Zhi-bin Xie ◽  
Tong-si Xue ◽  
Yu-bo Tian ◽  
Wei-chen Zou ◽  
Qing-hua Liu ◽  
...  
Keyword(s):  
Channel Estimation ◽  
Compressed Sensing ◽  
Estimation Algorithm ◽  
Ofdm Systems ◽  
Mimo Ofdm

scholarly journals Reframing ‘integration’: acknowledging and addressing five core critiques

2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Sarah Spencer ◽  
Katharine Charsley
Keyword(s):  
Empirical Research ◽  
Recent Criticism ◽  
Heuristic Model ◽  
Migration Studies ◽  
Methodological Nationalism ◽  
Narrow Focus ◽  
The Subject ◽  
The Rich ◽  
Definition Of

AbstractEmpirical and theoretical insights from the rich body of research on ‘integration’ in migration studies have led to increasing recognition of its complexity. Among European scholars, however, there remains no consensus on how integration should be defined nor what the processes entail. Integration has, moreover, been the subject of powerful academic critiques, some decrying any further use of the concept. In this paper we argue that it is both necessary and possible to address each of the five core critiques on which recent criticism has focused: normativity; negative objectification of migrants as ‘other’; outdated imaginary of society; methodological nationalism; and a narrow focus on migrants in the factors shaping integration processes. We provide a definition of integration, and a revised heuristic model of integration processes and the ‘effectors’ that have been shown to shape them, as a contribution to a constructive debate on the ways in which these challenges for empirical research can be overcome.

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