Filters








269 Hits in 4.8 sec

2018 IndexIEEE Wireless Communications LettersVol. 7

2018 IEEE Wireless Communications Letters  
., +, LWC Feb. 2018 38-41 A Novel Cell Reconfiguration Technique for Dynamic TDD Wireless Networks. Ardah, K., +, LWC June 2018 320-323 A Novel Pilot Assignment Scheme in Massive MIMO Networks.  ...  ., +, LWC Feb. 2018 118-121 A Novel Pilot Assignment Scheme in Massive MIMO Networks. Ma, S., +, LWC April 2018 262-265 A Space-Time Transmission Scheme for Large MIMO Systems. M.  ... 
doi:10.1109/lwc.2018.2888676 fatcat:olfvetmkt5bt3c572e5y76b5pm

Contents

2013 2013 8th International Conference on Communications and Networking in China (CHINACOM)  
973 Xiaoyuan Liu, Yanling Zhang, Yang Li, Zhongshan Zhang, Keping Long A Spatial domain based Method against Pilot Contamination for Multi-cell 218 Massive MIMO Systems Zhiguo Ding Uplink Power  ...  Yan He MU-MIMO User Pairing Algorithm to Achieve Overhead-Throughput Tradeoff 347 in LTE-A Systems Ying Wang, Fei Peng, Weidong Zhang, Yuan Yuan Effective user selection algorithm for quantized  ... 
doi:10.1109/chinacom.2013.6694552 fatcat:c3ost4eg4feizceykgnftvsgry

Enabling 5G mobile wireless technologies

Long Bao Le, Vincent Lau, Eduard Jorswieck, Ngoc-Dung Dao, Afshin Haghighat, Dong In Kim, Tho Le-Ngoc
2015 EURASIP Journal on Wireless Communications and Networking  
disruptive technologies to fulfill 5G rate and capacity requirements including network densification, employment of large-scale (massive) multiple input multiple output (MIMO), and exploitation of the  ...  In general, many fundamental changes and innovations to re-engineer the overall network architecture and algorithms in different layers and to exploit new system degrees of freedom would be needed for  ...  We would also like to thank all reviewers for their detailed and constructive review comments for all papers. We would like to further thank Prof.  ... 
doi:10.1186/s13638-015-0452-9 fatcat:ntsd3tzg3je2xis2gtmu5665ea

2020 Index IEEE Transactions on Green Communications and Networking Vol. 4

2020 IEEE Transactions on Green Communications and Networking  
., +, TGCN Dec. 2020 1165-1173 System Energy-Efficient Hybrid Beamforming for mmWave Multi-User Systems.  ...  Secrecy Spectrum and Energy Efficiency Analysis in Massive MIMO-Enabled Multi-Tier Hybrid HetNets.  ... 
doi:10.1109/tgcn.2020.3040053 fatcat:vezhfmfgqfd5jislcy5zasqmay

2019 Index IEEE Wireless Communications Letters Vol. 8

2019 IEEE Wireless Communications Letters  
., +, LWC April 2019 580-583 Secure Transmission in Multi-Cell Multi-User Massive MIMO Systems With an Active Eavesdropper.  ...  ., +, LWC Dec. 2019 1541-1545 Secure Transmission in Multi-Cell Multi-User Massive MIMO Systems With an Active Eavesdropper.  ... 
doi:10.1109/lwc.2019.2961756 fatcat:bwxehcl4ejew7a6m66prb6s4z4

5G Technology : A Survey of Architecture and Emerging Technologies

Hitesh H Vandra
2016 International Journal of Scientific Research in Science and Technology  
In this paper, a general probable 5G cellular network architecture is proposed, which shows that D2D, small cell access points, network cloud, and the Internet of Things can be a part of5G cellular network  ...  association, full duplex radios, milli-meter wave solutions for 5G cellular networks, and cloud technologies for 5G radio access networks and software defined networks.  ...  In, a novel semi-orthogonal pilot design for massive MIMO wireless systems is developed to reduce the pilot resource consumption where a successive interference cancelation (SIC)based channel estimation  ... 
doi:10.32628/ijsrst21830 fatcat:pyxfobtjhzdidp3hpf7kki77am

2020 Index IEEE Transactions on Vehicular Technology Vol. 69

2020 IEEE Transactions on Vehicular Technology  
+ Check author entry for coauthors ami-mFading Channels With Integer and Non-Integerm; TVT March 2020 2785-2801 Hoang, T.M., Tran, X.N., Nguyen, B.C., and Dung, L.T., On the Performance of MIMO Full-Duplex  ...  Relaying System With SWIPT Under Outdated CSI; TVT Dec. 2020 15580-15593 Hodtani, G.A., see Gholami, R., TVT Sept. 2020 9938-9950 Hoki, K., see Kawakami, T., TVT Dec. 2020 16168-16172 Hong, C.,  ...  Novel Downlink Interference Alignment Method for Multi-User MIMO System With No CSIT: A Space-Time Coding Approach.  ... 
doi:10.1109/tvt.2021.3055470 fatcat:536l4pgnufhixneoa3a3dibdma

5G technology: towards dynamic spectrum sharing using cognitive radio networks

W. S. H. M. W. Ahmad, N. A. M. Radzi, F. S. Samidi, A. Ismail, F. Abdullah, M. Z. Jamaludin, M. N. Zakaria
2020 IEEE Access  
However, the scarcity of the spectrum resource creates a serious challenge in achieving an efficient management scheme.  ...  For a complete survey, discussions are conducted on the issues and challenges in the current implementation of SS and CR, and the means to support efficient 5G advancement are provided.  ...  Cell-free massive MIMO exhibited higher spectral efficiency for all user equipment compared with cellular massive MIMO.  ... 
doi:10.1109/access.2020.2966271 fatcat:cobdo5ucibcdpc5jfecbdwhni4

Evolution of NOMA Toward Next Generation Multiple Access (NGMA) for 6G [article]

Yuanwei Liu and Shuowen Zhang and Xidong Mu and Zhiguo Ding and Robert Schober and Naofal Al-Dhahir and Ekram Hossain and Xuemin Shen
2022 arXiv   pre-print
To address these challenges, advanced multiple access schemes are expected to be developed, namely next generation multiple access (NGMA), which are capable of supporting massive numbers of users in a  ...  Furthermore, we discuss advanced mathematical tools for facilitating the design of NOMA communication systems, including conventional optimization approaches and new machine learning techniques.  ...  for cell-free massive MIMO-NOMA underlaid below a primary massive MIMO system, and characterized its achievable sum rate.  ... 
arXiv:2108.04561v2 fatcat:yy2wmlweffft5b2wzefkrde6za

Combination of Ultra-Dense Networks and other 5G Enabling Technologies: A Survey

Mary A. Adedoyin, Olabisi E. Falowo
2020 IEEE Access  
INDEX TERMS Macrocells, small cells, ultra-dense networks, QoS.  ...  To overcome these challenges and achieve the performance requirements in 5G, there is a need to combine UDNs with other 5G enabling technologies and then, design intelligent management techniques for better  ...  Hence, this implies that user scheduling scheme should be an essential part of massive MIMO systems. • Pilot contamination: In a multi-cell massive MIMO system, users from neighbouring cells can use nonorthogonal  ... 
doi:10.1109/access.2020.2969980 fatcat:dpyo5xyrgjgvhcsfhilepbmuo4

How to Meet Increased Capacities by Future Green 5G Networks: A Survey

Afef Bohli, Ridha Bouallegue
2019 IEEE Access  
Furthermore, the Deployment Efficiency (DE) for a dense network deployment that measures the system throughput per unit of deployment cost, as proven in Fig. 2 , faces the same crucial challenge relative  ...  INDEX TERMS Energy efficiency, spectrum efficiency, cognitive radio, D2D, heterogeneous networks, massive MIMO. where θ EE defines the EE, which presents the achievable data rate per unit of transmitted  ...  However, to improve performance, the hybrid beamforming structure was suggested for 5G communications. 2) MASSIVE MIMO The Massive Multi-Input Multi-Output (MIMO) user [22] is a key technology driver  ... 
doi:10.1109/access.2019.2907284 fatcat:ewcpvwzlive7pclqfiwa2wdztq

2020 Index IEEE Transactions on Wireless Communications Vol. 19

2020 IEEE Transactions on Wireless Communications  
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  ...  ., 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 July 2020 4617-4631 Subset MMSE Receivers for Cell-Free Networks. Attarifar, M., +, TWC June 2020 4183-4194 Superimposed Pilot for Multi-Cell Multi-User Massive FD-MIMO Systems.  ... 
doi:10.1109/twc.2020.3044507 fatcat:ie4rwz4dgvaqbaxf3idysubc54

A Survey on High-Speed Railway Communications: A Radio Resource Management Perspective [article]

Shengfeng Xu, Gang Zhu, Bo Ai, Zhangdui Zhong
2016 arXiv   pre-print
Then we provide a literature survey on state-of-the-art RRM schemes for HSR wireless communications, with an in-depth discussion on various RRM aspects including admission control, mobility management,  ...  RRM design is a challenging problem due to heterogenous quality of service (QoS) requirements and dynamic characteristics of HSR wireless communications.  ...  The investigation on novel and proper admission control schemes is of great importance.  ... 
arXiv:1603.05368v1 fatcat:lgxfxh6glbggdogkddht2e64h4

Two-Stage Subspace Constrained Precoding in Massive MIMO Cellular Systems

An Liu, Vincent K. N. Lau
2015 IEEE Transactions on Wireless Communications  
We propose a subspace constrained precoding scheme that exploits the spatial channel correlation structure in massive MIMO cellular systems to fully unleash the tremendous gain provided by massive antenna  ...  The Tx subspace control is adaptive to the channel statistics for inter-cell interference mitigation and Quality of Service (QoS) optimization.  ...  However, the solution in [8] for single cell systems is fundamentally Proposed two stage precoding Two stage precoding in [8] System topology Multi-cell massive MIMO system Single cell massive MIMO  ... 
doi:10.1109/twc.2015.2403364 fatcat:4rsn6e5gtnfojk3mtpzvyxrl3u

Performance and User Association Optimization for UAV Relay-Assisted mm-Wave Massive MIMO Systems

Widad Belaoura, Khalida Ghanem, Muhammad Zeeshan Shakir, Mazen O. Hasna
2022 IEEE Access  
Also, to exploit UAV relay-based architecture in serving different ground BS-user pairs, we propose a UAV relayassisted multi-BS mm-wave massive MIMO system with hybrid beamforming architecture, which  ...  Thus, a multi-user hybrid beamforming scheme is designed to mitigate the inter-user interference issues and achieve better trade-off between performance and complexity in UAV-enabled communications.  ...  MULTI-USER HYBRID BEAMFORMING DESIGN For the considered UAV relay-assisted multi-user mm-wave massive MIMO system, it is costly to connect each antenna to a separate RF chain, more particularly at a relay  ... 
doi:10.1109/access.2022.3172436 fatcat:eujuathi6rhwnedgx6o4neckai
« Previous Showing results 1 — 15 out of 269 results