Results 11 to 20 of about 5,097 (176)

UAV Relay Flight Path Planning in the Presence of Jamming Signal [PDF]

open access: yesIEEE Access, 2019
The flight path of the unmanned aerial vehicle (UAV) relay can significantly affect the performance of the wireless relay communication system. In this paper, we investigate the optimization of the UAV flight path in a wireless relay communication system,
Meng-Chuan Mah   +2 more
doaj   +2 more sources

SINR performance analysis of DFT spread generalized multi-carrier system [PDF]

open access: yesTongxin xuebao, 2008
A signal-to-interference-plus-noise ratio(SINR) performance analysis method of discrete fourier transform spread generalized multi-carrier(DFT-S-GMC) system was proposed.The closed-form SINR expression based on simpli-fied frequency-domain equivalent ...
RUI Yun1   +5 more
doaj   +3 more sources

Enhancing Spectral Efficiency of 6G Downlink Beamforming via Cooperative Multi-Agent Deep Reinforcement Learning [PDF]

open access: yesSensors
This paper presents a new beamforming algorithm for Multi-User Multiple-Input Multiple-Output (MU-MIMO) systems using Multi-Agent Reinforcement Learning (MARL).
Ali Al Janaby   +2 more
doaj   +2 more sources

Mixed Power Control Strategies for Cognitive Radio Networks under SINR and Interference Temperature Constraints [PDF]

open access: yesRadioengineering, 2014
Without consideration of the minimum signal-to-interference-plus-noise ratio (SINR) and frequent information exchange, traditional power control algorithms can not always satisfy SINR requirements of secondary users (SUs) and primary users (PUs) in ...
Y. J. Xu, X. H. Zhao
doaj   +3 more sources

Quantification of Interference Constraint for Small Cells in Low SINR Regime With Steepest Ascent Method

open access: yesIEEE Access
The ubiquitous proliferation of small cells (SCs) is for boosting system capacity, coverage, and quality of services (QoS) for smart applications.
Sanjeeb Shrestha   +4 more
doaj   +3 more sources

Base station beamforming technique using multiple signal-to-interference plus noise ratio balancing criteria [PDF]

open access: yes, 2022
S.248-259The authors propose a coordinated multi-cell beamforming technique for signal-to-interference plus noise ratio (SINR) balancing under multiple base station power constraints. Instead of balancing SINR of all users in all cells to the same level,
Lambotharan, S.   +4 more
core   +1 more source

SINR Improvement Across the Automotive Radar Signal Processing Chain [PDF]

open access: yes, 2022
A systematic analysis of signal to interference plus noise ratio (SINR) at each step of the signal processing chain of frequency modulated continuous wave based automotive radar is presented for the first time.
Cherniakov, Mike   +6 more
core   +1 more source

Energy Efficient Secure Communication Model against Cooperative Eavesdropper

open access: yesApplied Sciences, 2021
In a wiretap channel system model, the jammer node adopts the energy-harvesting signal as artificial noise (jamming signal) against the cooperative eavesdroppers.
Akashkumar Rajaram   +3 more
doaj   +1 more source

Maximizing Signal to Interference Noise Ratio for Massive MIMO : A Stochastic Neurodynamic Approach [PDF]

open access: yes, 2022
In this paper, we consider the problem of maximizing the worst user signal to interference noise ratio (SINR) for massive multiple input multiple output (MaMIMO).
Tassouli, Siham, Lisser, Abdel
core   +1 more source

Performance analysis of beamformers using generalized loading of the covariance matrix in the presence of random steering vector errors [PDF]

open access: yes, 2005
Robust adaptive beamforming is a key issue in array applications where there exist uncertainties about the steering vector of interest. Diagonal loading is one of the most popular techniques to improve robustness.
Besson, Olivier, Vincent, François
core   +1 more source

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