Search Results - "Spectrum efficiency"

The evolution of Wi-Fi: Advancing transmission rates and connectivity (2013-2025)

Authors: Danekula, Prasad

Source: World Journal of Advanced Research and Reviews. 26:2575-2583

Subject Terms: Multi-Link Operation, Power Optimization, Wireless Connectivity, Spectrum Efficiency, Multi-User Access

A Comprehensive Survey on Intelligent Reflecting Surfaces and Unmanned Aerial Vehicles Integration for Enhanced Communication in Massive Networks

Authors: Attar, Hani Ababneh, Jafar Hafez, Mohamed et al.

Source: 2025 11th International Conference on Mechatronics and Robotics Engineering (ICMRE). :149-155

Subject Terms: Control and Optimization, Intelligent Reflecting Surface (IRS), Mechanical Engineering, Wireless communication, Real-time data transmission, Computer Science Applications, Energy efficiency, Communication in Massive Networks, Collaborative systems, Artificial Intelligence, SDG 7 - Affordable and Clean Energy, Spectrum efficiency, Unmanned Aerial Vehicle (UAV), Instrumentation

Joint Optimization of Spectrum and Power Control in 6G Multi-UAV Networks: Managing Data Redundancy

Authors: Mohammad Ahmed Alnakhli

Source: IEEE Access, Vol 13, Pp 132913-132925 (2025)

Subject Terms: data redundancy, B5G/6G, network reliability, Electrical engineering. Electronics. Nuclear engineering, Multi-UAV networks, power control, spectrum efficiency, TK1-9971

Access URL: https://doaj.org/article/00406a2c12a8465dbc31cd8c34a0e404

An Active RIS-Aided DFRC System for Improved Multi-User Communications

Authors: Ravi Patel Aayush Singh Keshav Singh et al.

Source: IEEE Open Journal of the Communications Society, Vol 6, Pp 4908-4922 (2025)

Subject Terms: weighted sum rate, dual-functional radar and communication (DFRC), Telecommunication, Active reconfigurable intelligent surfaces (RIS), TK5101-6720, Transportation and communications, spectrum efficiency, HE1-9990

Access URL: https://doaj.org/article/6c11f2d1a6494b3199fad81227ff0b04

NOMA-Integrated Interleave-Division Multiple Access: A Beyond 5G Perspective

Authors: Varun Shukla Manoj Kumar Misra Shivani Dixit et al.

Source: Sakarya University Journal of Computer and Information Sciences, Vol 8, Iss 3, Pp 441-456 (2025)

Subject Terms: non-orthogonal multiple access (noma), interleave-division multiple access (idma), successive interference cancellation (sic), multi-user detection (mud), spectrum efficiency, Electronic computers. Computer science, QA75.5-76.95, Information technology, T58.5-58.64

File Description: electronic resource

Relation: https://dergipark.org.tr/en/download/article-file/4658277; https://doaj.org/toc/2636-8129

Access URL: https://doaj.org/article/f5aeff3668cb4872b2a3f06e6b97df49

Pilot Assignment for Cell Free Massive MIMO Systems: A Successive Interference Cancellation Approach

Authors: Osman Dikmen

Source: Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Vol 12, Iss 3, Pp 1739-1751 (2024)
Volume: 12, Issue: 31739-1751
Düzce Üniversitesi Bilim ve Teknoloji Dergisi
Duzce University Journal of Science and Technology

Subject Terms: Technology, Science (General), Science, pilot assignment scheme, Cell-free massive MIMO, Pilot assignment scheme, Successive interference cancellation (SIC), Spectrum efficiency, Hücresiz büyük MIMO, Pilot atama şeması, Ardışık girişim iptali (SIC), Spektrum verimliliği, Engineering (General). Civil engineering (General), spectrum efficiency, Q1-390, ardışık girişim iptali (sic), Electrical Engineering (Other), cell-free massive mimo, hücresiz büyük mimo, pilot atama şeması, spektrum verimliliği, Elektrik Mühendisliği (Diğer), successive interference cancellation (sic), TA1-2040

File Description: application/pdf

Access URL: https://doaj.org/article/eb2223d5535c47e396ab51f2573c01f3
https://dergipark.org.tr/tr/pub/dubited/issue/86351/1448494

Probabilistic Constellation Shaping in Flex-Grid over Multicore Fibre Optical Backbone Networks: An Energy Savings Evaluation

Authors: Perelló Muntan, Jordi Gené Bernaus, Joan M. Cho, Junho et al.

Source: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Subject Terms: Multi-cores, Transceivers, Time division multiple access, Multicarrier modulation, Optical backbone networks, Multicore programming, Multicore fiber, Flex-Grid, Constellation shaping, Optical, Energy consumption, Optical fiber communication, PCS, transceivers, Optical networks, Probabilistics, SDM, Probabilistic constellation shaping, Spectrum efficiency, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació, Multicore fibres, Energy-consumption, Flex-grid

File Description: application/pdf

Pilot Length Optimization With RS-LS Channel Estimation for Extremely Large Aperture Arrays

Authors: Demir, Özlem Tuğfe Björnson, E. Alicioǧlu, M.

Source: 2024 IEEE Wireless Communications and Networking Conference (WCNC). :1-6

Subject Terms: pilot length optimization, Signal to noise ratio, Computer Science - Information Theory, Large aperture, Spatial correlation matrix, channel estimation, holographic massive MIMO, Aperture arrays, Extremely large aperture array, Channel estimation, Low bound, Least squares approximations, Least-square estimators, 5G mobile communication systems, Holographic massive MIMO, User equipments, Antennas, Pilot length optimization, Spectrum efficiency, Electrical Engineering and Systems Science - Signal Processing, Optimisations

Access URL: http://arxiv.org/abs/2402.01426

Multi-Static Target Detection and Power Allocation for Integrated Sensing and Communication in Cell-Free Massive MIMO

Authors: Zinat Behdad Özlem Tuğfe Demir Ki Won Sung et al.

Source: IEEE Transactions on Wireless Communications. 23:11580-11596

Subject Terms: Signal Processing (eess.SP), FOS: Computer and information sciences, cell-free massive MIMO, Computer Science - Information Theory, Clutter (information theory), Integrated sensing and communication, MIMO systems, multi-static sensing, FOS: Electrical engineering, electronic engineering, information engineering, Multistatics, Electrical Engineering and Systems Science - Signal Processing, Multiple inputs, Multiple outputs, Signal to noise ratio, Integrated sensing, Information Theory (cs.IT), Cell-free, Radar cross section, power allocation, Cell-free massive multiple-input multiple-output, Benchmarking, Energy efficiency, Integrated sensing and communication (ISAC), Power allocations, C-RAN, Spectrum efficiency, Multi-static sensing

Access URL: http://arxiv.org/abs/2305.12523

Performance Evaluation of Fractal Wavelet Packet Transform on Wireless Communication Systems

Authors: Mohammad Ridwan Effendi Rheyuniarto Sahlendar Asthan Achmad Munir

Source: Journal of ICT Research and Applications, Vol 18, Iss 1 (2024)

Subject Terms: Rayleigh frequency selective fading channel, orthogonal wavelet division multiplexing (OWDM), fractal wavelet packet transform, Telecommunication, TK5101-6720, Information technology, M-ary phase shift keying (M-ary PSK), T58.5-58.64, wireless communication system, spectrum efficiency

Access URL: https://doaj.org/article/60f7a3bb9a7e450fac1a46a4b02feb83

Device to Device Communication Using Optimized Frequency Spectrum Reuse (OFSR) in Multi-Layered Cellular Network

Authors: Matthew, Ugochukwu.O Aderinola, Musefiu Shuaibu, Isiaka et al.

Source: HAFED POLY Journal of Science, Management and Technology; Vol. 5 No. 2 (2023); 172-191
HAFED POLY Journal of Science, Management and Technology; Vol. 5 No. 1 (2023)

Subject Terms: 9. Industry and infrastructure, Mobile Cellular Network, D2D Communication, Wireless frequency Reuse, Data Transmission Protocol, Spectrum Efficiency

File Description: application/pdf

Access URL: https://www.ajol.info/index.php/hpjsmt/article/view/270151
https://www.ajol.info/index.php/hpjsmt/article/view/245241

Robust Beamforming Design for Energy Efficiency and Spectral Efficiency Tradeoff in Multi-STAR-RIS-Aided C-HRSMA

Authors: Shiming Teng Xinwei Lin Yafeng Wang

Source: Sensors, Vol 25, Iss 22, p 6917 (2025)

Subject Terms: RSMA, STAR-RIS, spectrum efficiency (SE), energy efficiency (EE), symbiotic radio, Chemical technology, TP1-1185

File Description: electronic resource

Relation: https://www.mdpi.com/1424-8220/25/22/6917; https://doaj.org/toc/1424-8220

Access URL: https://doaj.org/article/3622eb83f9e74534847fa5da8fbf41e6

Cell-Free Massive MIMO in O-RAN: Energy-Aware Joint Orchestration of Cloud, Fronthaul, and Radio Resources

Authors: Özlem Tuğfe Demir Meysam Masoudi Emil Björnson et al.

Source: IEEE Journal on Selected Areas in Communications. 42:356-372

Subject Terms: Signal Processing (eess.SP), FOS: Computer and information sciences, Computer Science - Information Theory, Information Theory (cs.IT), Cell-free massive MIMO, Cloud computing, Computer architecture, end-to-end resource allocation, joint network orchestration, joint transmission, Massive MIMO, Optical network units, Power demand, Resource management, Virtualization, virtualized O-RAN, 0202 electrical engineering, electronic engineering, information engineering, FOS: Electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Electrical Engineering and Systems Science - Signal Processing, 7. Clean energy, Cells, Computing power, Cytology, Electric power utilization, Energy efficiency, Green computing, Light transmission, Network architecture, Radio, Radio access networks, Resource allocation, Spectrum efficiency, Virtual reality, Cell-free, Cloud-computing, End to end, End-to-end resource allocation, Joint network, Joint network orchestration, Joint transmissions, Power demands, Resources allocation, Virtualizations, Virtualized open radio access network

Access URL: http://arxiv.org/abs/2301.06166

Deep Learning Based Energy, Spectrum, and SINR-Margin Tradeoff Enabled Resource Allocation Strategies for 6G

Authors: Vivek Pathak R. Chethan Rahul Jashvantbhai Pandya et al.

Source: IEEE Access, Vol 12, Pp 74024-74044 (2024)

Subject Terms: spectrum efficiency (SE), residual battery indicator (RBI), transferred learning (TL), energy efficiency (EE), signal to interference and noise ratio-margin (Γ), 0202 electrical engineering, electronic engineering, information engineering, Electrical engineering. Electronics. Nuclear engineering, 02 engineering and technology, Terahertz (THz) communication, 7. Clean energy, TK1-9971

Access URL: https://doaj.org/article/87ff6de1066249fc9da0a55a17a10d72

Bandwidth Allocation and Power Control Optimization for Multi-UAVs Enabled 6G Network

Authors: Mohammad Ahmed Alnakhli Ehab Mahmoud Mohamed Mostafa M. Fouda

Source: IEEE Access, Vol 12, Pp 67405-67415 (2024)

Subject Terms: multi-UAVs, 0202 electrical engineering, electronic engineering, information engineering, Electrical engineering. Electronics. Nuclear engineering, 02 engineering and technology, M-matrix, SQP, 01 natural sciences, 7. Clean energy, energy efficiency, 6G, spectrum efficiency, TK1-9971, 0104 chemical sciences

Access URL: https://doaj.org/article/1f2b45acb12e466b857bbe076e7d38c2

D2D Spectrum Efficiency Optimization Algorithm for Many-to-One Reusing Scenarios

Authors: Hui Dun Erryang Huan

Source: IEEE Access, Vol 12, Pp 78865-78877 (2024)

Subject Terms: cost function, ultra-dense D2D, many-to-one, non-cooperative game, 0202 electrical engineering, electronic engineering, information engineering, discrete power control, Electrical engineering. Electronics. Nuclear engineering, 02 engineering and technology, Spectrum efficiency, TK1-9971, 12. Responsible consumption

Access URL: https://doaj.org/article/da10b00c11294c5cb73605481e66f872

Enhanced energy and spectrum efficiency in visible light communications

Authors: Gutema, Tilahun Zerihun

Subject Terms: visible light communications, spectrum efficiency, Enhanced energy, radio frequency (RF) wireless communication, radio frequency (RF) wireless communication systems, visible light communication (VLC), light-emitting diodes (LEDs), signal swing/signal-to-noise ratio (SNR), probabilistic shaping (PS), optical orthogonal frequency-division multiplexing (OFDM) modulation, wavelength-division multiplexing (WDM), orthogonal frequency-division multiplexing (OFDM), frequency shift chirp modulation (FSCM)

Access URL: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.884160

Energy-Efficient Cell-Free Massive MIMO Through Sparse Large-Scale Fading Processing

Authors: Shuaifei Chen Jiayi Zhang Emil Björnson et al.

Source: IEEE Transactions on Wireless Communications. 22:9374-9389

Subject Terms: Signal Processing (eess.SP), Electric power utilization, Energy efficiency, Mean square error, Optimization, Signal processing, Spectrum efficiency, Cell-free, Cell-free massive MIMO, Distributed database, Distributed processing, Downlink, Large-scale fading, Large-scales, Power demands, Signal-processing, Sparse optimizations, Task analysis, Uplink, Wireless communications, MIMO systems, 0202 electrical engineering, electronic engineering, information engineering, FOS: Electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Electrical Engineering and Systems Science - Signal Processing, 7. Clean energy, distributed processing, energy efficiency, large-scale fading, sparse optimization

Access URL: http://arxiv.org/abs/2208.13552
https://hdl.handle.net/20.500.11851/10998
https://doi.org/10.1109/TWC.2023.3270299 10.1109/TWC.2023.3270299
https://hdl.handle.net/20.500.11851/10998
https://doi.org/10.1109/TWC.2023.3270299

ESEIABS: Energy and spectrum efficient hybrid technique for 5G and beyond networks using interference aware beam selection

Authors: Javaid A. Shiekh Ishfaq Bashir Sofi Zahid A. Bhat et al.

Source: ICT Express, Vol 9, Iss 5, Pp 769-775 (2023)

Subject Terms: MIMO, Energy efficiency, Beam-space, 0202 electrical engineering, electronic engineering, information engineering, RF chains, Information technology, 02 engineering and technology, Spectrum efficiency, T58.5-58.64, IA beam selection

Access URL: https://doaj.org/article/242859ef1c9641358993080b2ac69a47

Research on reference signal scheme for high-mobility scenarios in the Terahertz frequency band

Authors: LIU Liping BAO Tong XIN Yu et al.

Source: Dianxin kexue, Vol 40, Pp 34-41 (2024)

Subject Terms: Terahertz frequency band, high-mobility scenario, reference signal, channel estimation, spectrum efficiency, Telecommunication, TK5101-6720, Technology

File Description: electronic resource

Relation: https://doaj.org/toc/1000-0801

Access URL: https://doaj.org/article/447ffdde5ab14d9a8ffeadc697953d6a