Filters








879 Hits in 5.4 sec

MIMO Transceiver Designs for Spatial Sensing in Cognitive Radio Networks

Keonkook Lee, Chan-Byoung Chae, Robert W. Heath, Joonhyuk Kang
2011 IEEE Transactions on Wireless Communications  
We propose transceiver algorithms in cognitive radio networks where the cognitive users are equipped with multiple antennas.  ...  This work considers designs of precoding and decoding matrices for spatial sensing to achieve two objectives: i) to prevent interference to the primary receivers and ii) to remove the interference, due  ...  Osvaldo Simeone for his valuable discussion. The work of C.  ... 
doi:10.1109/twc.2011.092711.101305 fatcat:cd6trlvcjfds3mj74lyo2xclo4

A real time MIMO OFDM testbed for cognitive radio & networking research

Weijun Zhu, Minko Tsai, Babak Daneshrad, Jatin Bhatia, Jesse Chen, Hun-Seok Kim, Karim Mohammed, Omar Nasr, Sandeep Sasi, Anish Shah
2006 Proceedings of the 1st international workshop on Wireless network testbeds, experimental evaluation & characterization - WiNTECH '06  
A real time, 2 Mbps to 200 Mbps portable radio unit with MIMO and sensing capability which exposes all the PHY parameters to the higher layers will help advance experimental cognitive radio (CR), and wireless  ...  Collaboration between Silvus Communication Systems and the UCLA WISR group has resulted in the first generation radio specifically designed to meet the needs of the CR and wireless networking community  ...  TESTBED HIGHLIGHTS AND FEATURES Our efforts produced a real time MIMO OFDM testbed that can satisfy the needs for both the cognitive radio community and the traditional wireless networking community.  ... 
doi:10.1145/1160987.1161018 dblp:conf/mobicom/ZhuDBCKMNSST06 fatcat:x4yllju5dncxjipoz5dow7lzwa

Table of contents

2021 IEEE Transactions on Communications  
Matolak 4558 Joint Resource Allocation and Transceiver Design for Sum-Rate Maximization Under Latency Constraints in Multicell MU-MIMO Systems ..........................................................  ...  Based Spectrum Leasing in Cognitive Radio Network: Power Optimization and Performance Analysis ...... ...................................................................................................  ... 
doi:10.1109/tcomm.2021.3091820 fatcat:ymptkb6ulbau5nrijacliund5e

Table of contents

2019 IEEE Transactions on Communications  
Wei 4654 Hybrid Overlay-Underlay Cognitive Radio Networks With Energy Harvesting .............................. 4900 Analysis and Optimization of Caching and Multicasting for Multi-Quality Videos in  ...  Lu 4782 Compressive Sensing Assisted Generalized Quadrature Spatial Modulation for Massive MIMO Systems .............. ........................................................... L. Xiao, P. Xiao, Y.  ... 
doi:10.1109/tcomm.2019.2925514 fatcat:uo3yjfkpffgilifv46q7qpgswa

Cognition and Cooperation in Advanced Wireless and Mobile Information Systems

Chao Chen, Carlos Pomalaza-Ráez, Yunfei Chen, Kun Xie, Tricha Anjali
2016 Mobile Information Systems  
An open-source distributed virtual platform called cognitive privacy framework is proposed, in which each personal cloud may decide on the fly to use different transmission network for different types  ...  By compiling these papers, we hope to encourage our readers and researchers to apply cognitive and cooperative principles in designing future wireless and mobile information systems.  ...  Zhang et al. develop a rankconstrained beamforming algorithm for underlay multipleinput multiple-output (MIMO) cognitive radio networks.  ... 
doi:10.1155/2016/5404986 fatcat:dronsmawuzd2xla7q4l6bqwtp4

Cognitive Radio: From Theory to Practical Network Engineering [chapter]

Ekram Hossain, Long Le, Natasha Devroye, Mai Vu
2009 New Directions in Wireless Communications Research  
A cognitive radio transceiver is able to adapt to the dynamic radio environment and the network parameters to maximize the utilization of the limited radio resources while providing flexibility in wireless  ...  ., spatial locations of the users, transmission probability of primary users) on the cognitive sensing performance.  ...  In the following, we describe typical designs for scenarios where each cognitive user has two or one transceiver. • Each cognitive user has two transceivers: We describe a typical MAC protocol design based  ... 
doi:10.1007/978-1-4419-0673-1_10 fatcat:2n6y2hnicnhupkmo2hmqwfn3nq

2018 IndexIEEE Wireless Communications LettersVol. 7

2018 IEEE Wireless Communications Letters  
., +, LWC Feb. 2018 86-89 Simultaneous Detection and Channel Estimation for Censoring-Based Spectrum Sensing in Cognitive Radio Networks.  ...  ., +, LWC Feb. 2018 78-81 Simultaneous Detection and Channel Estimation for Censoring-Based Spectrum Sensing in Cognitive Radio Networks.  ... 
doi:10.1109/lwc.2018.2888676 fatcat:olfvetmkt5bt3c572e5y76b5pm

Optimization of Non-Contiguous OFDM based Data Transmission Schemes in Cognitive Radio Transceivers

Dr. Avinash Rai
2019 International Journal for Research in Applied Science and Engineering Technology  
Spectrum sensing is the major function of a cognitive radio network.  ...  Cognitive radio is an emerging technology for the opportunistic use of under-utilized spectrum. It promises to change the future technological trends forever if employed properly.  ...  Figure 1 : 1 Spectrum sensing structure in a cognitive radio network Figure 2 : 2 Block diagram for cooperative spectrum sensingV.  ... 
doi:10.22214/ijraset.2019.7035 fatcat:43rcnfwd5jfu5g2tuo3oqx3sta

Potential Key Technologies for 6G Mobile Communications [article]

Yifei Yuan, Yajun Zhao, Baiqing Zong, Sergio Parolari
2019 arXiv   pre-print
Unlike previous papers which discuss in-length about the use cases, deployment scenarios or new network architectures of 6G, this paper focuses on a few potential technologies for 6G wireless communications  ...  The followed world-wide deployment of 5G networks is expected to bring very high data rate for enhanced mobile broadband, to support ultra reliable and low latency services and to be able to accommodate  ...  The main challenges include the novel transceiver design for nano-scale devices, channel models for the new environments of the nano-scale networks, physical layer solutions including channel coding and  ... 
arXiv:1910.00730v1 fatcat:vgiy7cnzhncobnb27f7qyirzxe

2010 Index IEEE Transactions on Signal Processing Vol. 58

2010 IEEE Transactions on Signal Processing  
., +, TSP Jan. 2010 38-52 Sequential and Cooperative Sensing for Multi-Channel Cognitive Radios. Kim, S.-J., +, TSP Aug. 2010 4239-4253 Spectrum Sensing in Wideband OFDM Cognitive Radios. Hwang, C.  ...  ., +, TSP Oct. 2010 5262-5276 Distributed Spectrum Sensing for Cognitive Radio Networks by Exploiting Sparsity. Bazerque, J.  ...  Global Positioning System A Fixed-Lag Particle Filter for the Joint Detection/Compensation of Interference Effects in GPS Navigation.  ... 
doi:10.1109/tsp.2010.2092533 fatcat:4y66ezuo7zf6doe6nwjqwtc42i

Table of Contents

2011 IEEE Transactions on Vehicular Technology  
Sung 514 Nonlinear Transceiver Designs in MIMO Amplify-and-Forward Relay Systems . . . . . . . . . F.-S. Tseng and W.-R.  ...  Jiang 716 Joint Optimal Cooperative Sensing and Resource Allocation in Multichannel Cognitive Radio Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ... 
doi:10.1109/tvt.2011.2109493 fatcat:4bole45l4zec3blksnv36bw63u

Transceiver Designs to Improve Spectrum Utilization in MIMO Interference Channels

Le Ty Khanh, Ha Hoang Kha, Nguyen Minh Hoang
2015 Journal of Science and Technology Issue on Information and Communications Technology  
This paper is concerned with a multiple-input multiple-output (MIMO) multi-user wireless networks in which multiple secondary users (SUs) can share the same radio spectrum with a single primary user (PU  ...  In this paper, we consider to design the transceivers using the interference alignment techniques.  ...  In this paper, we consider the optimal design of SU transceivers in the MIMO cognitive radio wireless networks in which multiple secondary links coexist concurrently with a primary link.  ... 
doi:10.31130/jst.2015.11 fatcat:eigsdoyi7fcg7g7hjsafd7nkdq

Cognitive Radio and Networking Research at Virginia Tech

A.B. MacKenzie, J.H. Reed, P. Athanas, C.W. Bostian, R.M. Buehrer, L.A. DaSilva, S.W. Ellingson, Y.T. Hou, M. Hsiao, Jung-Min Park, C. Patterson, S. Raman (+1 others)
2009 Proceedings of the IEEE  
, high-performance, and secure computing, and run-time algorithms for electronic design automation.  ...  We also describe developments that support the cognitive engine and advances in radio technology that provide the flexibility desired in a cognitive radio node.  ...  Chamas Zhao for their substantial contributions to the work reported in this paper.  ... 
doi:10.1109/jproc.2009.2013022 fatcat:hngyzlfvtfek7paxj3dlivffaa

An overview of multi-antenna technologies for space-ground integrated networks

Lei Gao, Shuo Zhang, Ziyao Liu, Jinyong Lin, Shuai Wang, Chengwen Xing
2016 Science China Information Sciences  
For future space-ground integrated networks (SGINs), the traditional various kinds of separated information networks will converge to a whole fully connected information network to provide more flexible  ...  Multi-antenna technologies have already achieved a series of great successes in the development of information networks.  ...  Acknowledgements This work was supported in part by National Scientific Foundation of China for Young Scholars (Grant Nos. 61301088, 61301089) .  ... 
doi:10.1007/s11432-016-0588-8 fatcat:2zfpw2cuizgplmgftxcvjou4fe

2020 Index IEEE Transactions on Wireless Communications Vol. 19

2020 IEEE Transactions on Wireless Communications  
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  ...  ., Joint Access and Backhaul Resource Management in Satellite-Drone Networks: A Competitive Market Approach; TWC June 2020 3908-3923 Hu, Y.H., see Xia, M., TWC June 2020 3769-3781 Hua, C., see Li, M  ...  ., +, TWC Nov. 2020 7663-7676 Decision-Driven Time-Adaptive Spectrum Sensing in Cognitive Radio Networks.  ... 
doi:10.1109/twc.2020.3044507 fatcat:ie4rwz4dgvaqbaxf3idysubc54
« Previous Showing results 1 — 15 out of 879 results