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Joint Interference Alignment and Power Allocation for K-User Multicell MIMO Channel through Staggered Antenna Switching

2018 Sensors  
In this paper, we characterise the joint interference alignment (IA) and power allocation strategies for a K-user multicell multiple-input multiple-output (MIMO) Gaussian interference channel.  ...  The capacity for a K-user multicell MIMO Gaussian interference channel with reconfigurable multimode antennas is completely characterised.  ...  The achievable rate and channel capacity region for a two-cell Z multiple-input-multiple-output (MIMO) interference channel and K-user relay aided multiple-input-single-output (MISO) interference channel  ... 
doi:10.3390/s18020380 pmid:29382100 pmcid:PMC5856243 fatcat:b3bm6p4v5fbirdlnzqethjssqm

Cognitive Interference Alignment for Spectral Coexistence [chapter]

Shree Krishna Sharma, Symeon Chatzinotas, Björn Ottersten
2014 Signals and Communication Technology  
Interference Alignment (IA) has been widely recognized as a promising interference mitigation technique since it can achieve the optimal degrees of freedom in certain interference limited channels.  ...  Interference is an inevitable phenomenon in wireless communication systems when multiple uncoordinated links share a common wireless channel.  ...  This work was also partially supported by COST Action IC0902: "Cognitive Radio and Networking for Cooperative Coexistence of Heterogeneous Wireless Networks".  ... 
doi:10.1007/978-3-319-01718-1_2 fatcat:hrcd5b2wkjem7gvmzuq6v452lu

Comparison of interference mitigation techniques for next generation DSL systems

Sanda Drakulic, Driton Statovci, Martin Wolkerstorfer, Thomas Zemen
2015 2015 IEEE International Conference on Communications (ICC)  
We also propose interference alignment (IA) as an alternative method to DSM-L2 for dealing with the interference in and show that IA is superior to DSM-L2 in non-vectoring scenarios.  ...  Furthermore, we also propose time division multiple access (TDMA) for coordination of multiple vectoring groups in partial vectoring scenarios.  ...  Note that if DSL users were connected with more than one twisted pair to the network premises we could also consider interference alignment in the space dimension, i.e., over multiple-input multiple-output  ... 
doi:10.1109/icc.2015.7248448 dblp:conf/icc/DrakulicSWZ15 fatcat:xlnhfdnokjf5njzwcgpsoaaofm

Exploiting interference locality in coordinated multi-point transmission systems

Xinyu Zhang, M. A. Khojastepour, K. Sundaresan, S. Rangarajan, K. G. Shin
2012 2012 IEEE International Conference on Communications (ICC)  
DIAC builds on a key intuition of interference locality -since each link is interfered with a limited number of neighboring links, it is sufficient to coordinate with those strong interferers and ignore  ...  In this paper, we propose distributed interference alignment and cancellation (DIAC) to overcome these limitations.  ...  has explored centralized algorithms for integrating interference cancellation with interference alignment in a fully-connected network (i.e., every link interferes and coordinates with all other links  ... 
doi:10.1109/icc.2012.6364643 dblp:conf/icc/ZhangKSRS12 fatcat:52j2z5glfnfzvn5kh4je3nvpji

Iterative interference alignment for cellular systems with user selection

Jan Schreck, Gerhard Wunder
2012 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
An iterative interference alignment algorithm for cellular systems with multiple signaling dimensions is introduced.  ...  The main invention is that we combine iterative interference alignment with user selection, which naturally increases the system sum rate by exploiting the multiuser diversity.  ...  In this work, we consider coordinated scheduling and exploit the possibilities of interference alignment in cellular systems.  ... 
doi:10.1109/icassp.2012.6288507 dblp:conf/icassp/SchreckW12 fatcat:knc666lktbfinatggag5humocu

Topological Interference Management for K-User Downlink Massive MIMO Relay Network Channel

Poongundran Selvaprabhu, Sunil Chinnadurai, Jun Li, Moon Lee
2017 Sensors  
We propose an alternative transmission strategy named the relay space-time interference alignment (R-STIA) technique, in which a K-user multiple-input-multiple-output (MIMO) interference channel has massive  ...  In this paper, we study the emergence of topological interference alignment and the characterizing features of a multi-user broadcast interference relay channel.  ...  1 ] [1]u [1] 2 , R-STIA Relay space-time interference alignment MIMO Multiple-input-multiple-output MISO Multiple-input-single-output CSIR Channel state information at the relay CSIT Channel state  ... 
doi:10.3390/s17081896 pmid:28817071 pmcid:PMC5579574 fatcat:ole3332rcnfynhon7lppmsykf4

Linear MMSE Precoding and Equalization for Network MIMO with Partial Cooperation

S. Kaviani, O. Simeone, W. A. Krzymien, S. Shamai
2011 2011 IEEE Global Telecommunications Conference - GLOBECOM 2011  
A cellular multiple-input multiple-output (MIMO) downlink system is studied in which each base station (BS) transmits to some of the users, so that each user receives its intended signal from a subset  ...  This scenario is referred to as network MIMO with partial cooperation, since only a subset of the BSs are able to coordinate their transmission towards any user.  ...  Indeed, the multiple-input multiple-output (MIMO) capacity gains are severely degraded and limited in cellular environments due to the deleterious effect of interference [1] , [2] .  ... 
doi:10.1109/glocom.2011.6134245 dblp:conf/globecom/KavianiSKS11 fatcat:6jdghvciwnd2da5cz5oz2c7fzi

Interference Alignment - based Precoding and User Selection with Limited Feedback in Two - cell Downlink Multi - user MIMO Systems

Yin Zhu, Broadb and Wireless Communication and Multimedia Laboratory , Tongji University, Shanghai 201804 , China, Yang Ou, School of Electronic and Information Engineering , Suzhou University of Science and Technology , Suzhou 215009 , China, School of Electronic and Information Engineering , Suzhou University of Science and Technology , Suzhou 215009 , China, Departm e nt of Electrical and Computer En gineering, University of Toronto, Toronto, ON, M5S 3G4, Canada
2016 Journal of Engineering Science and Technology Review  
Interference alignment (IA) is a new approach to address interference in modern multiple-input multiple-out (MIMO) cellular networks in which interference is an important factor that limits the system  ...  This paper proposed a precoding and user selection scheme based on partial interference alignment in two-cell downlink multi-user MIMO systems under limited feedback.  ...  The proposed scheme can be easily implemented in current cellular systems. However, the scheme can be adopted only in the two-cell interfering scenario.  ... 
doi:10.25103/jestr.092.19 fatcat:q6ayxywypzeddpdwfia7mfwac4

On the Spatial Degrees of Freedom of Multicell and Multiuser MIMO Channels [article]

Taejoon Kim, David J. Love, Bruno Clerckx
2016 arXiv   pre-print
We study the converse and achievability for the degrees of freedom of the multicellular multiple-input multiple-output (MIMO) multiple access channel (MAC) with constant channel coefficients.  ...  We assume L>1 homogeneous cells with K>0 users per cell where the users have M antennas and the base stations are equipped with N antennas.  ...  Spatial techniques such as multiple-input multiple-output (MIMO) wireless systems have been widely studied to improve the spectrum reusability.  ... 
arXiv:1111.3160v2 fatcat:zkv2awizozdubogbxzvu7gwcra

Interference Alignment in Multi-Hop Cognitive Radio Networks under Interference Leakage

Eylem Erdogan, Sultan Çolak, Hakan Alakoca, Mustafa Namdar, Arif Basgumus, Lutfiye Durak-Ata
2018 Applied Sciences  
In this work, we examine the interference alignment (IA) performance of a multi-input multi-output (MIMO) multi-hop cognitive radio (CR) network in the presence of multiple primary users.  ...  Even though linear IA can suppress the interference in CR networks considerably, interference leakages may occur due to a fast fading channel.  ...  This paper focuses on the interference alignment in CR networks considering multiple hops in the underlay scheme.  ... 
doi:10.3390/app8122486 fatcat:hazwontb5rcavfqgipirv4wfsi

Multi-User Rate Splitting in Optical Wireless Networks [article]

Ahmad Adnan Qidan, Khulood Alazwary, Taisir El-Gorashi, Majid Safari, Harald Haas, Richard V. Penty, Ian H. White, Jaafar M. H. Elmirghani
2022 arXiv   pre-print
In this work, a user-grouping algorithm is proposed and used to form multiple groups, each group contains users spatially clustered.  ...  In this context, multi-user interference (MUI) is a crucial issue that must be managed efficiently to provide high spectral efficiency.  ...  In [25] , a closed-form strategy for RS is proposed to serve K users in a time correlated multiple-input single-output (MISO) broadcast channel scenario considering imperfect CSI at transmitters.  ... 
arXiv:2207.11458v1 fatcat:sny25owddjdu5abskep6o5eroy

Balancing Egoism and Altruism on MIMO Interference Channel [article]

Zuleita Ka Ming Ho, David Gesbert
2010 arXiv   pre-print
This paper considers the so-called multiple-input-multiple-output interference channel (MIMO-IC) which has relevance in applications such as multi-cell coordination in cellular networks as well as spectrum  ...  Combining egoistic and altruistic beamforming has been shown previously in several papers to be instrumental to optimizing the rates in a multiple-input-single-output interference channel MISO-IC (i.e.  ...  Recently an interesting game theory framework for beamforming-based coordination was proposed for the multiple-input-single-output (MISO) case by which the transmitters (e.g. the base stations) seek to  ... 
arXiv:0910.1688v4 fatcat:p5cui4otkfhovjdbl3kmom5dk4

Multiple-Antenna-Assisted Non-Orthogonal Multiple Access

Yuanwei Liu, Hong Xing, Cunhua Pan, Arumugam Nallanathan, Maged Elkashlan, Lajos Hanzo
2018 IEEE wireless communications  
This article is focused on exploiting multiple antenna techniques in NOMA networks, with an emphasis on investigating the rate region of multiple-input multiple-output (MIMO)-NOMA, whist reviewing two  ...  Non-orthogonal multiple access (NOMA) is potentially capable of circumventing the limitations of the classic the orthogonal multiple access schemes, hence it has recently received significant research  ...  no known results on its capacity region of this general Gaussian multiple-input single-output (MISO) BC.  ... 
doi:10.1109/mwc.2018.1700080 fatcat:bopoygl2unfb3kjm7zlrlar5z4

A practical precoding scheme for multicell MIMO channels with partial user's data sharing

Paul de Kerret, Rajeev Gangula, David Gesbert
2012 2012 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)  
JIn this work 1 , we consider a setting where K Transmitters (TXs) equipped with multiple antennas aim at transmitting to their K respective Receivers (RXs) also equipped with multiple antennas.  ...  In this virtual IC, it is then possible to apply any of the numerous algorithms (Interference Alignment algorithms) initially tailored for the IC.  ...  Interference Alignment In this work, we consider Interference Alignment (IA) in MIMO IC with a static channel. We characterize an IC by the elements K i=1 (M i , N i , d i ) as de ned above.  ... 
doi:10.1109/wcncw.2012.6215507 dblp:conf/wcnc/KerretGG12 fatcat:rac4244isnb6vlxnms2mbljo6i

Linear transceiver design in uplink coordinated multipoint multiple-input multiple-output systems

Ming-Chun Lee, Chung-Jung Huang, Gang-Han Chung, Wei-Ho Chung, Ta-Sung Lee
2014 IET Communications  
The authors investigate linear transceiver design in uplink (UL) coordinated multipoint transmission and reception (CoMP) multiple-input multiple-output (MIMO) systems with joint detections.  ...  A two-stage design algorithm is proposed by exploiting the technique of interference alignment, optimising the structure of the effective channel and employing power loading, with the goal to achieve high  ...  Techniques of advanced multiple-input multiple-output (MIMO) and spectrum reuse have been substantially studied as a means to improve spectral efficiency and throughput.  ... 
doi:10.1049/iet-com.2014.0264 fatcat:se2a2oxj2fby5n3tkiuv7frxvy
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