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Beamforming in Coexisting Wireless Systems with Uncertain Channel State Information

Tuan Anh Le, Keivan Navaie, Quoc-Tuan Vien, Huan Xuan Nguyen
2016 2016 IEEE 84th Vehicular Technology Conference (VTC-Fall)  
We focus on the practical cases where there is uncertainty in the estimation of channel state information (CSI).  ...  This paper considers an underlay access strategy for coexisting wireless networks where the secondary system utilizes the primary spectrum to serve its users.  ...  Our preliminary work in [8] was based on the perfect channel state information (CSI).  ... 
doi:10.1109/vtcfall.2016.7880920 dblp:conf/vtc/LeNVN16 fatcat:tlbgs3mw4bdqfc7r3gbjd4hrmm

Subcarrier Pairing and Power Allocation With Interference Management in Cognitive Relay Networks Based on Genetic Algorithms

Hung-Sheng Lang, Shih-Chun Lin, Wen-Hsien Fang
2016 IEEE Transactions on Vehicular Technology  
Su "On Secure Beamforming for Wiretap Channels with Partial Channel State Information at the Transmitter" Invited for special session of APSIPA Annual Summit and Conference 2012 [C*3] T.-Y. Liu, T.H.  ...  Su, "Cognitive Radio with Partial Channel State Information at the Transmitter", IEEE Transactions on Wireless Communications, vol. 9, no. 11, pp. 3402-3413, Nov. 2010 (part of the thesis won Best PHD  ... 
doi:10.1109/tvt.2015.2483199 fatcat:3tqk6mh5rnaunolajoxwmcdi5m

Table of contents

2020 IEEE Transactions on Wireless Communications  
Molisch Securing Channel State Information in Multiuser MIMO With Limited Feedback ......................................... .......................................................................  ...  Idle-State Signaling in Cellular Systems: A Revisit to 4G Mobility Management ....  ... 
doi:10.1109/twc.2020.2984100 fatcat:4hvqvmtyqbhntbgclzw7rp5d2i

Modeling and Optimization of Miso Using Power Consumption

Maheswari I
2017 International Journal for Research in Applied Science and Engineering Technology  
In this paper proposed join beam forming using SA (Sampling Annealing) functions at layer providers. A server and Client are in same location at different providers.  ...  The model has been validated with experimental results, performed by using Primary and Secondary side loaded by real-world traffic traces.  ...  It considered a sum-rate maximization problem with beamforming in a single PU channel CRN.  ... 
doi:10.22214/ijraset.2017.2082 fatcat:2h7pdzd5cray3kyzhp7mcxquge

Robust MIMO Beamforming for Cellular and Radar Coexistence

Fan Liu, Christos Masouros, Ang Li, Tharmalingam Ratnarajah
2017 IEEE Wireless Communications Letters  
The proposed beamformer is designed to be robust to imperfect channel state information (CSI).  ...  In this letter, we consider the coexistence and spectrum sharing between downlink multi-user multiple-input-multiple-output (MU-MIMO) communication and a MIMO radar.  ...  SYSTEM MODEL We consider a Time Division Duplex (TDD) downlink MU-MIMO communication system that coexists with a MIMO radar on the same frequency band.  ... 
doi:10.1109/lwc.2017.2693985 fatcat:avxy2ugudvcclcmis3deinl5iy

A SECOND-ORDER CONE PROGRAMMING APPROACH FOR ROBUST DOWNLINK BEAMFORMING WITH POWER CONTROL IN COGNITIVE RADIO NETWORKS

Fulai Liu, Jinkuan Wang, Ruiyan Du, Lu Peng, Pingping Chen
2011 Progress In Electromagnetics Research M  
This paper presents a robust downlink beamforming method with power control for a multiuser multiple-input-single-output (MISO) CR-Net.  ...  In this proposed approach, the beamforming optimization problem is formulated as the second-order cone programming (SOCP).  ...  The worst-case robust beamforming with rank relaxation [10] is addressed for a downlink multiuser multi-antenna CR system coexisted with a number of PUs.  ... 
doi:10.2528/pierm11051103 fatcat:ilaquk66srf4pkmbhtyyceefte

Towards Smart Wireless Communications via Intelligent Reflecting Surfaces: A Contemporary Survey [article]

Shimin Gong, Xiao Lu, Dinh Thai Hoang, Dusit Niyato, Lei Shu, Dong In Kim, Ying-Chang Liang
2020 arXiv   pre-print
The fading wireless channel is uncontrollable and becomes one of the main limiting factors for performance improvement.  ...  As such, the IRS's phase control, combined with the conventional transmission control, can potentially bring performance gain compared to wireless networks without IRS.  ...  Besides, we notice that IRS-assisted systems face the common challenges of channel estimation and the design approaches under incomplete or uncertain channel information.  ... 
arXiv:1912.07794v2 fatcat:r76gsjgpovhhbgexlkdd3y5pqu

2018 IndexIEEE Wireless Communications LettersVol. 7

2018 IEEE Wireless Communications Letters  
., +, LWC Dec. 2018 950-953 Optimal Power Control in Cognitive Satellite Terrestrial Networks With Imperfect Channel State Information.  ...  ., +, LWC Aug. 2018 574-577 Optimal Power Control in Cognitive Satellite Terrestrial Networks With Imperfect Channel State Information.  ... 
doi:10.1109/lwc.2018.2888676 fatcat:olfvetmkt5bt3c572e5y76b5pm

2020 Index IEEE Transactions on Wireless Communications Vol. 19

2020 IEEE Transactions on Wireless Communications  
2020 650-664 Huang, A., see He, H., TWC Dec. 2020 7881-7896 Huang, C., Molisch, A.F., He, R., Wang, R., Tang, P., Ai, B., and Zhong, Z., Machine Learning-Enabled LOS/NLOS Identification for MIMO Systems  ...  in Dynamic Environments; TWC June 2020 3643-3657 Huang, C., see Yang, M., TWC Sept. 2020 5860-5874 Huang, D., Tao, X., Jiang, C., Cui, S., and Lu, J  ...  ., +, TWC Oct. 2020 6409-6424 Design and Analysis of FD MIMO Cellular Systems in Coexistence With MIMO Radar.  ... 
doi:10.1109/twc.2020.3044507 fatcat:ie4rwz4dgvaqbaxf3idysubc54

An Overview of Sustainable Green 5G Networks [article]

Qingqing Wu, Geoffrey Ye Li, Wen Chen, Derrick Wing Kwan Ng, and Robert Schober
2016 arXiv   pre-print
To enable sustainable 5G networks, new technologies have been proposed to improve the system energy efficiency and alternative energy sources are introduced to reduce our dependence on traditional fossil  ...  In particular, various 5G techniques target the reduction of the energy consumption without sacrificing the quality-of-service.  ...  number of antennas at the BSs while serving a large number of users with the same time-frequency resource, i.e., by increasing N in imperfect channel state information (CSI), while achieving the same  ... 
arXiv:1609.09773v2 fatcat:hb3c5i3p4jfcpmgneqpntxwik4

Seven Defining Features of Terahertz (THz) Wireless Systems: A Fellowship of Communication and Sensing [article]

Christina Chaccour, Mehdi Naderi Soorki, Walid Saad, Mehdi Bennis, Petar Popovski, Merouane Debbah
2021 arXiv   pre-print
However, operating a wireless system at the THz-band is limited by a highly uncertain channel.  ...  Based on these fundamentals, we characterize seven unique defining features of THz wireless systems: 1) Quasi-opticality of the band, 2) THz-tailored wireless architectures, 3) Synergy with lower frequency  ...  In that sense, THz systems are expected to have a certain level of synergy (cooperation and seamless coexistence) with the lower frequency band wireless technologies.  ... 
arXiv:2102.07668v2 fatcat:lg3dphy2zvhlhhwrpo7omwwp4i

Robust Max-Min Fairness Energy Harvesting in Secure MISO Cognitive Radio With SWIPT [article]

Fuhui Zhou, Zan Li, Julian Cheng, Qunwei Li, Jiangbo Si
2016 arXiv   pre-print
In this network, a secondary user coexists with multiple primary users and multiple energy harvesting receivers.  ...  A multiple-input single-output cognitive radio downlink network is studied with simultaneous wireless information and power transfer.  ...  However, it was shown that the secrecy rate of a wireless communication system with physical-layer security is limited by the channel state information (CSI).  ... 
arXiv:1602.08161v1 fatcat:hgoylknr5zd7hpqi4ungdlbrq4

Obstacle avoidance cell discovery using mm-waves directive antennas in 5G networks

Antonio Capone, Ilario Filippini, Vincenzo Sciancalepore, Denny Tremolada
2015 2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)  
In these architecture a functional split between C-plane and U-plane allows to guarantee the continuous availability of a signaling channel through conventional wireless technologies with the opportunity  ...  With the advent of next-generation mobile devices, wireless networks must be upgraded to fill the gap between huge user data demands and scarce channel capacity.  ...  Additionally, a larger beam-width is more robust to uncertain position information exchanged through the context channel. B.  ... 
doi:10.1109/pimrc.2015.7343691 dblp:conf/pimrc/CaponeFST15 fatcat:i6xb46ahljgwpann7663lkydna

Robust AN-Aided Beamforming Design for Secure MISO Cognitive Radio Based on a Practical Nonlinear EH Model

Yangchao Huang, Zan Li, Fuhui Zhou, Rui Zhu
2017 IEEE Access  
A robust artificial noise aided beamforming design problem is formulated under the bounded channel state information error model. The formulated problem is non-convex and challenging to be solved.  ...  Energy harvesting techniques are promising in next generation wireless communication systems. However, most of the existing works are based on an ideal linear energy harvesting model.  ...  However, the secrecy rate achieved by using physical-layer security is limited by the channel state information (CSI) [16] - [21] .  ... 
doi:10.1109/access.2017.2730220 fatcat:jbe3scovgzfntaa6olk4hkkgfa

6G White Paper on Localization and Sensing [article]

Andre Bourdoux, Andre Noll Barreto, Barend van Liempd, Carlos de Lima, Davide Dardari, Didier Belot, Elana-Simona Lohan, Gonzalo Seco-Granados, Hadi Sarieddeen, Henk Wymeersch, Jaakko Suutala, Jani Saloranta (+8 others)
2020 arXiv   pre-print
systems. 6G will be truly intelligent wireless systems that will not only provide ubiquitous communication but also empower high accuracy localization and high-resolution sensing services.  ...  They will become the catalyst for this revolution by bringing about a unique new set of features and service capabilities, where localization and sensing will coexist with communication, continuously sharing  ...  Fourth, the AI-enabled precoding for digital beamforming combined with a dynamic multipath simulator with environment information could add constructively for even sounder system attributes.  ... 
arXiv:2006.01779v1 fatcat:gvlog73wxffdno3glnxcfe56pu
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