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A 3-D Spatial Model for In-building Wireless Networks with Correlated Shadowing [article]

Junse Lee, Xinchen Zhang, Francois Baccelli
2016 arXiv   pre-print
Consider orthogonal planes in the 3-D space representing floors and walls in a large building. These planes divide the space into rooms where a wireless infrastructure is deployed.  ...  This model, which we propose to call the Poisson building, captures the complex in-building shadowing correlations, is scalable in the number of dimensions and is tractable for network performance analysis  ...  Main Contributions: the Poisson Grid Model Compared with classical planar models, the main technical challenge for obtaining a tractable 3-D spatial model for in-building wireless networks lies in the  ... 
arXiv:1603.07072v1 fatcat:zjtsdf5vkzcy5exxoieuglfeeu

A 3-D Spatial Model for In-Building Wireless Networks With Correlated Shadowing

Junse Lee, Xinchen Zhang, Francois Baccelli
2016 IEEE Transactions on Wireless Communications  
Consider orthogonal planes in the 3-D space representing floors and walls in a large building. These planes divide the space into rooms where a wireless infrastructure is deployed.  ...  This model, which we propose to call the Poisson building, captures the complex in-building shadowing correlations, is scalable in the number of dimensions and is tractable for network performance analysis  ...  Main Contributions: the Poisson Grid Model Compared with classical planar models, the main technical challenge for obtaining a tractable 3-D spatial model for in-building wireless networks lies in the  ... 
doi:10.1109/twc.2016.2607206 fatcat:pqeryjk5jzcrjewqva7dswl3he

Efficient modeling of correlated shadow fading in dense wireless multi-hop networks

Shani Lu, John May, Russell J. Haines
2014 2014 IEEE Wireless Communications and Networking Conference (WCNC)  
The model enables the generation of spatially correlated shadow fading for all meshed links in wireless multihop networks.  ...  In this paper, we propose and analyze a correlated shadow fading model based on Gaussian random fields.  ...  The proposed model enables the generation of spatially correlated shadow fading for all meshed links in wireless multi-hop networks.  ... 
doi:10.1109/wcnc.2014.6951986 dblp:conf/wcnc/LuMH14 fatcat:novulvgdzzccphglx4csiwp5ky

Simulating spatial cross-correlation in vehicular networks

Xiaohui Wang, Eric Anderson, Peter Steenkiste, Fan Bai
2014 2014 IEEE Vehicular Networking Conference (VNC)  
This paper studies the trade-offs between different ways of simulating spatial channel cross-correlation in the context of vehicular networks.  ...  We compare independent stochastic, locally cross-correlated stochastic, and explicitly geometric models in terms of both their complexity and the network-level performance they induce.  ...  We compare two general approaches to simulation spatial cross-correlation: (1) Geometric models in which cross-and auto-correlation result automatically from the effects of explicitly-modeled objects,  ... 
doi:10.1109/vnc.2014.7013350 dblp:conf/vnc/WangASB14 fatcat:t4cznzwzfvexhcna65asbd6c4e

A Machine Learning Approach to Predicting Coverage in Random Wireless Networks

Hajar El Hammouti, Mounir Ghogho, Syed Ali Raza Zaidi
2018 2018 IEEE Globecom Workshops (GC Wkshps)  
In this work, we adopt a data-driven approach to derive a model that can predict the coverage probability in any random wireless network.  ...  Then, by building large simulation-based datasets, the relationship between the wireless network parameters and the parameters of the sigmoid-like function is modeled using a neural network.  ...  neural network to estimate the fitting parameters.A NN model is built for each of the spatial models of the wireless network (PPP, HCPP and hexagonal).  ... 
doi:10.1109/glocomw.2018.8644199 dblp:conf/globecom/HammoutiGZ18 fatcat:zg77e76tcbhrrlijo2sx3w2dri

Effects of Correlated Shadowing Modeling on Performance Evaluation of Wireless Sensor Networks

Shani Lu, John May, Russell J. Haines
2015 2015 IEEE 82nd Vehicular Technology Conference (VTC2015-Fall)  
In this paper, the ns-3 simulation environment has been enhanced with a prototype correlated shadowing model developed in our previously published work.  ...  Although different types of correlated shadowing models have been proposed for wireless channels, these models are not present in popular network simulators.  ...  This spatial correlation of shadowing among proximate wireless links has been frequently observed in cellular systems [2] [3], satellite systems [4] and wireless multi-hop networks (WMHNs) [5] .  ... 
doi:10.1109/vtcfall.2015.7390909 dblp:conf/vtc/LuMH15 fatcat:oegzdwdtyzgktafxqw6tiqueli

Correlated link shadow fading in multi-hop wireless networks

P. Agrawal, N. Patwari
2009 IEEE Transactions on Wireless Communications  
This paper presents and analyzes a non-site-specific statistical propagation model which accounts for the correlations that exist in shadow fading between links in multi-hop networks.  ...  The measurements show statistically significant correlations among shadowing experienced on different links in the network, with correlation coefficients up to 0.33.  ...  ACKNOWLEDGEMENTS The authors wish to thank Jessica Croft for her help with the field deployment measurement campaign.  ... 
doi:10.1109/twc.2009.071293 fatcat:a7wsbmdjundkxox4omjszwu54u

How long before I regain my signal?

Tingting Lu, Pei Liu, Shivendra S. Panwar
2015 2015 49th Annual Conference on Information Sciences and Systems (CISS)  
Shadow fading has been proven to be a significant contributor to channel variations in wireless communication.  ...  However, in a mobile network, it is also important to know how shadow fading is correlated both in space and in time, which can greatly affect application layer behavior and service quality.  ...  Assume the shadow fading (in dB) is N (0, σ 2 ) where σ is the standard deviation, the spatial correlation between S A and S B will be given by ρ A,B = E[S A S B ] σ 2 = e − d A,B d 0 (3) where d A,B is  ... 
doi:10.1109/ciss.2015.7086854 dblp:conf/ciss/LuLP15 fatcat:7i4xnpjs2be7xhdhux5julmf7q

Estimation of communication signal strength in robotic networks

Yasamin Mostofi, Mehrzad Malmirchegini, Alireza Ghaffarkhah
2010 2010 IEEE International Conference on Robotics and Automation  
In this paper we consider estimating the spatial variations of a wireless channel based on a small number of measurements in a robotic network.  ...  We show that our model-based approach can estimate the channel well for several scenarios, with only a small number of gathered measurements.  ...  As for the spatial correlation of small-scale fading, on the other hand, there is no single model that can be a good match for different environments.  ... 
doi:10.1109/robot.2010.5509677 dblp:conf/icra/MostofiMG10 fatcat:lrcrvuvrnzhhbbtiq6zuh5qu2q

Modelling Wireless Propagation for Indoor Localization

Shweta Jain, Christian Barona, Nicholas Madamopoulos
2016 Journal of Cyber Security and Mobility  
For example, path loss computed with this technique shows that co-moving receivers experience correlated signal fades while those moving in different spaces see un-correlated fading.  ...  In addition, this technique captures the spatial correlation of signal impairment.  ...  If X σ is a zero mean Gaussian variable with standard deviation σ, path loss in dB due to shadow fading is modelled as: P L (d) (dB) = P L (d 0 ) + 10nlog 10 d d 0 + Xσ (3) Small scale and variable RF  ... 
doi:10.13052/jcsm2245-1439.443 fatcat:hf2bnkp4grbmbpvsqmjnjxzd3m

Modelling Wireless Propagation for Indoor Localization

Shweta Jain, Christian Barona, Nicholas Madamopoulos
2016 Journal of Cyber Security and Mobility  
For example, path loss computed with this technique shows that co-moving receivers experience correlated signal fades while those moving in different spaces see un-correlated fading.  ...  In addition, this technique captures the spatial correlation of signal impairment.  ...  If X σ is a zero mean Gaussian variable with standard deviation σ, path loss in dB due to shadow fading is modelled as: P L (d) (dB) = P L (d 0 ) + 10nlog 10 d d 0 + Xσ (3) Small scale and variable RF  ... 
doi:10.13052/2245-1439.443 fatcat:dxor2ikupbdy3algxx2r5je4hy

140 GHz Urban Microcell Propagation Measurements for Spatial Consistency Modeling [article]

Shihao Ju, Theodore S. Rappaport
2021 arXiv   pre-print
This result may guide the development of a statistical spatially consistent channel model for frequencies above 100 GHz in the UMi street canyon environment.  ...  Compared to the correlation distances reported in the 3GPP TR 38.901 for frequencies below 100 GHz, the measured correlation distance of shadow fading at 142 GHz (3.8 m) is much shorter than the 10-13  ...  The exponential decaying function is widely applied in various channel models such as 3GPP and NYUSIM channel models [9] , [10] to characterize the spatial correlation of shadow fading: ρ(d) = exp (  ... 
arXiv:2103.05496v1 fatcat:ibuxxnqswjhoxp4cymxdyjuo5u

Gaussian Random Fields as a Model for Spatially Correlated Log-Normal Fading

Daniel Catrein, Rudolf Mathar
2008 2008 Australasian Telecommunication Networks and Applications Conference  
In this paper, Gaussian random fields are used as a model for correlated slow fading in urban environments. An exponential correlation function is employed.  ...  Slow fading or shadowing on a wireless channel is commonly modeled by stochastically independent, log-normally distributed random variables.  ...  Gaussian random fields as models for shadow fading are also investigated in the work [2] , however for a different type of spatial correlation and without considering parameter estimation.  ... 
doi:10.1109/atnac.2008.4783314 fatcat:6ayd3rrcm5azdnptbwwibtdq3m

Detect, Localize and Estimate the number of Spoofing Attackers in Wireless Network
English

Deepthy Mary Mathai, T. K Parani
2014 International Journal of Engineering Trends and Technoloy  
In the context of network security, a spoofing Attack is a situation which one person or program successfully masquerades as another by falsifying data and thereby gaining an illegitimate advantage.  ...  In this project SILENCE mechanism is used to find number of attackers. GADE technique is used to find presence of attacker in wireless network. IDOL system is to localize attackers.  ...  INTRODUCTION A wireless network uses wireless network connection. It eliminates the costly process of laying cables into any building like homes, telecommunication network.  ... 
doi:10.14445/22315381/ijett-v7p269 fatcat:v6rgf3vt6zb4dpqdayn6tpoyty

A Comprehensive Overview and Characterization of Wireless Channels for Networked Robotic and Control Systems

Alejandro Gonzalez-Ruiz, Alireza Ghaffarkhah, Yasamin Mostofi
2011 Journal of Robotics  
The goal of this overview paper is to serve as a reference for researchers that are interested in the realistic modeling of wireless channels for the purpose of analysis and optimization of networked robotic  ...  By utilizing the knowledge available in the wireless communication literature, we first summarize a probabilistic framework for the characterization of the underlying multiscale dynamics of a wireless  ...  A small part of this work is presented in the International Conference on Intelligent RObots and Systems (IROS), 2009 [42] .  ... 
doi:10.1155/2011/340372 fatcat:y2vua6disbfmpcbhbtlc2g5lre
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