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Spectral Efficiency Scaling Laws in Dense Random Wireless Networks with Multiple Receive Antennas [article]

Namyoon Lee, Francois Baccelli, Robert W. Heath Jr
2014 arXiv   pre-print
This paper considers large random wireless networks where transmit-and-receive node pairs communicate within a certain range while sharing a common spectrum.  ...  This observation demonstrates that having CSIR for dominant interfering links provides a multiplicative gain in the scaling law.  ...  CONCLUSION We considered a network with multiple receive antennas and explored the benefits of exploiting multiple antennas in terms of the sum spectral efficiency.  ... 
arXiv:1410.7502v1 fatcat:5x46qtkkingxncafbq4rolfvo4

On the Spectral Efficiency of Links with Multi-antenna Receivers in Non-homogenous Wireless Networks [article]

Siddhartan Govindasamy, Daniel W. Bliss
2010 arXiv   pre-print
An asymptotic technique is developed to find the Signal-to-Interference-plus-Noise-Ratio (SINR) and spectral efficiency of a link with N receiver antennas in wireless networks with non-homogeneous distributions  ...  It is found that for receivers in dense clusters, the SINR grows with N at rates higher than that of homogeneous networks and that constant spectral efficiencies can be maintained if the ratio of N to  ...  In addition to strengthening previously known results for homogenous networks, these results characterize the spectral efficiency of a link with multiple receiver antennas in networks with a non-homogenous  ... 
arXiv:1012.1295v1 fatcat:hohtvz2fmvcn5mugrhn3jmab5e

Guest Editorial: Large-Scale Multiple Antenna Wireless Systems

Michail Matthaiou, George K. Karagiannidis, Erik G. Larsson, Thomas L. Marzetta, Robert Schober
2013 IEEE Journal on Selected Areas in Communications  
, where wireless users with single transmit and receive antennas cooperate in clusters to form distributed transmit and receive antenna arrays.  ...  They also establish the associated scaling laws for dense and extended networks, and develop a distributed resource allocation scheme that achieves the same sum rate scaling as that of the proposed upper  ...  He is the originator of Large-Scale Antenna Systems which can provide huge improvements in wireless spectral-efficiency and energy-efficiency. Dr  ... 
doi:10.1109/jsac.2013.130201 fatcat:usgytwcckfezpl3t7tsilze26i

Scaling Laws for Ergodic Spectral Efficiency in MIMO Poisson Networks [article]

Junse Lee, Namyoon Lee, Francois Baccelli
2016 arXiv   pre-print
A major implication of the derived scaling laws is that spatial multiplexing transmission methods are essential for obtaining better and eventually optimal scaling laws in multiple antenna random wireless  ...  In this paper, we examine the benefits of multiple antenna communication in random wireless networks, the topology of which is modeled by stochastic geometry.  ...  When L = ⌊ Nr Nt ⌋ − 1, the sum spectral efficiency per unit area with ZF- a random wireless network with multiple transmit and receive antennas and examined the benefits of using MIMO techniques for  ... 
arXiv:1608.06065v1 fatcat:pjuumpf34newnctxffy7c253s4

Power-Bandwidth Tradeoff in Dense Multi-Antenna Relay Networks

Ozgur Oyman, Arogyaswami Paulraj
2007 IEEE Transactions on Wireless Communications  
We consider a dense fading multi-user network with multiple active multi-antenna source-destination pair terminals communicating simultaneously through a large common set of K multi-antenna relay terminals  ...  Our results indicate that point-to-point coded multi-user networks supported by distributed relay beamforming techniques yield enhanced energy efficiency and spectral efficiency, and with appropriate signaling  ...  This paper characterizes the powerbandwidth tradeoff over dense fixed-area wireless adhoc networks in the limit of large number of terminals, in the special case of a multi-antenna relay network (MRN)  ... 
doi:10.1109/twc.2007.05815 fatcat:5q7ztucvs5b7bkijplhugwsypi

Towards 5th generation cellular mobile networks

Jian A. Zhang, Peng Cheng, Andrew R. Weily, Y. Jay Guo
2014 Australian Journal of Telecommunications and the Digital Economy  
dense small cells, and provide an indepth discussion on potential enabling techniques for the next generation (5G) cellular networks, particularly massive MIMO and multiband base-station antennas.  ...  We review the evolution of international standards for cellular mobile networks in the last two decades, describe how the network layout has been migrating from rigid cellular architecture to random and  ...  further reap the benefits of utilising multiple antenna technology and promises orders-ofmagnitude improvements in spectral-efficiency over 4G LTE-Advanced.  ... 
doi:10.7790/ajtde.v2n2.34 fatcat:43ixpaqptzdybafodcglgnakwq

Asymptotic Spectral Efficiency of Multi-antenna Links in Wireless Networks with Limited Tx CSI [article]

Siddhartan Govindasamy and Daniel W. Bliss and David H. Staelin
2010 arXiv   pre-print
An asymptotic technique is presented for finding the spectral efficiency of multi-antenna links in wireless networks where transmitters have Channel-State-Information (CSI) corresponding to their target  ...  It is found that targeted-receiver CSI, which can be acquired with low overhead in duplex systems with reciprocity, can increase spectral efficiency several fold, particularly when link lengths are large  ...  Spatially Distributed Network Consider a circular wireless network of radius R with n wireless transmitters at random IID points in the circle such that: n = ρπR 2 . (1) The representative receiver R 1  ... 
arXiv:1009.4128v1 fatcat:hhmtmhbvtvcdpbcpud5xuixoce

A Brief History on the Theoretical Analysis of Dense Small Cell Wireless Networks [article]

David Lopez-Perez, Ming Ding
2018 arXiv   pre-print
from sparse ones, and why the well-known linear scaling law of capacity with the base station (BS) density in the latter does not apply to the former.  ...  This article provides dives into the fundamentals of dense and ultra-dense small cell wireless networks, discussing the reasons why dense and ultra-dense small cell networks are fundamentally different  ...  As a result, the spectral efficiency in the cell does not stay constant, and the network capacity does not grow linearly with the BS density anymore.  ... 
arXiv:1812.02269v1 fatcat:uuykengp7vbjph34sst7epj5uq

3D coverage analysis of LTE urban heterogeneous networks with dense femtocell deployments

Florian Letourneux, Yoann Corre, Erwan Suteau, Yves Lostanlen
2012 EURASIP Journal on Wireless Communications and Networking  
The results show a moderate impact on the average spectral efficiencies but a strong impact locally.  ...  In this study, closed-access femtocells cause dead zones for non-subscribers in 15% of indoor areas leading to non-uniform service coverage, whereas they increase the spectral efficiency of femtocell subscribers  ...  Acknowledgements This project was supported in part by the European Project FP7-STREP Freedom. Author details  ... 
doi:10.1186/1687-1499-2012-319 fatcat:k4cyjw55yjabtaskqkbbwstfce

Are We Approaching the Fundamental Limits of Wireless Network Densification? [article]

Jeffrey G. Andrews, Xinchen Zhang, Gregory D. Durgin, Abhishek K. Gupta
2016 arXiv   pre-print
These are the questions explored in this paper.  ...  The single most important factor behind the data rate increases experienced by users of wireless networks over the past few decades has been densification, namely adding more base stations and access points  ...  Particular thanks to Anthony Soong of Huawei for originally suggesting that we conduct analysis with a 2-slope path loss model.  ... 
arXiv:1512.00413v2 fatcat:elndu6b6ozhdxj5tsx5j6vupde

Area Spectral Efficiency and SINR Scaling Laws in Multi-Antenna Cellular Networks [article]

Ahmad AlAmmouri, Jeffrey G. Andrews, Francois Baccelli
2020 arXiv   pre-print
We study the scaling laws of the signal-to-interference-plus-noise ratio (SINR) and area spectral efficiency (ASE) in multi-antenna cellular networks, where the number of antennas scales with the base  ...  For the MIMO case with single-stream eigenbeamforming and N_r(λ) ≤ N_t(λ) receive antennas, we prove that the scaling laws of the conditional SINR and ASE are exactly the same as the MISO case, i.e. not  ...  INTRODUCTION Earlier academic works [2] and several decades of industry deployments indicate that area spectral efficiency (ASE) -the network sum throughput per unit area -increases about linearly with  ... 
arXiv:2002.04118v1 fatcat:newikok25zg6phvtg4jfqpefcq

Massive Access for 5G and Beyond [article]

Xiaoming Chen, Derrick Wing Kwan Ng, Wei Yu, Erik G. Larsson, Naofal Al-Dhahir, Robert Schober
2020 arXiv   pre-print
This paper presents a comprehensive survey of aspects of massive access design for B5G wireless networks.  ...  Massive access, also known as massive connectivity or massive machine-type communication (mMTC), is one of the main use cases of the fifth-generation (5G) and beyond 5G (B5G) wireless networks.  ...  In B5G wireless networks, the BTSs might be equipped with a large-scale antenna array.  ... 
arXiv:2002.03491v2 fatcat:e632upafkvhwlm4m2mwhbeleam

OFDM using Chaotic Sequence for Adaptive Modulation
English

Apurva Dubey, Prof. Gaurav Gupta, Vratika Mehta
2014 International Journal of Engineering Trends and Technoloy  
So here we are using OFDM systems that provide large data rates with sufficient robustness to radio channel impairments.  ...  In this we have used chaotic communication in OFDM system for secure communication and to improve system performance.  ...  The spectral efficiency of the fixed modulation is constant, while it, in general, will increase with increasing channel SNRs for the adaptive scheme.  ... 
doi:10.14445/22315381/ijett-v15p249 fatcat:eo2pfohfjzc5hlbfpjdl5ljzim

Reconfigurable Intelligent Surfaces vs. Relaying: Differences, Similarities, and Performance Comparison

Konstantinos Ntontin, Marco Di Renzo, Jian Song, Fotis Lazarakis, Julien De Rosny, Dinh-Thuy Phan-Huy, Osvaldo Simeone, Rui Zhang, Merouane Debbah, Geoffroy Lerosey, Mathias Fink, Sergei Tretyakov (+1 others)
2019 Zenodo  
in future wireless networks.  ...  When used as anomalous mirrors, the RISs resemble multiple-antenna relay stations.  ...  Our analysis reveals that the potential gains and applications of RISs in wireless networks depend on the scaling law of the received power as a function of the distance.  ... 
doi:10.5281/zenodo.3529414 fatcat:bkgwrhq77nbhjbccmdfvqoynii

Rate-Splitting Multiple Access in Multi-cell Dense Networks: A Stochastic Geometry Approach [article]

Qiao Zhu, Zhihong Qian, Bruno Clerckx, Xue Wang
2022 arXiv   pre-print
) in a wide range of power splitting ratio; 3) By increasing the number of antennas and BS density in an RSMA-enhanced multi-cell dense network, the area spectral efficiency can be substantially enhanced  ...  In this paper, the potential benefits of applying the Rate-Splitting Multiple Access (RSMA) in multi-cell dense networks are explored.  ...  Downlink multi-cell dense networks are investigated in this framework, in which each BS is equipped with multiple antennas to serve multiple single-antenna users simultaneously with RSMA transmission.  ... 
arXiv:2207.11430v1 fatcat:afsnnotwfndzhczbc73dh4bxvm
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