Browsing by Subject "Signal to noise ratio"
Now showing items 1-20 of 64
-
1D Convolutional Neural Networks Versus Automatic Classifiers for Known LPI Radar Signals under White Gaussian Noise
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this study we analyze the signal classification performances of various classifiers for deterministic signals under the additive White Gaussian Noise (WGN) in a wide range of signal to noise ratio (SNR) levels (-40dB ... -
A Deep Learning Model for LoRa Signals Classification Using Cyclostationay Features
( IEEE Computer Society , 2021 , Conference Paper)With the witnessed exponential growth of Internet of Things (IoT) nodes deployment following the emerging applications, multiple variants of technologies have been proposed to handle the IoT requirements. Among the proposed ... -
A promising non-orthogonal multiple access based networking architecture: Motivation, conception, and evolution
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Since it can offer higher spectral efficiency by granting the served data to share the same spectrum resource synchronously, NOMA is considered as a bright multiple access technique for future wireless networks. Accommodating ... -
A simple cross correlation switched beam system (XSBS) for angle of arrival estimation
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)We propose a practical, simple and hardware friendly, yet novel and efficient, angle of arrival (AoA) estimation system. Our intuitive, two-phases cross-correlation-based system requires a switched beam antenna array with ... -
Adaptive hierarchical cooperative communication using energy harvesting relay
(2013 , Conference Paper)In this paper, we present an adaptive wireless communication system with energy harvesting relay where, two sources wish to send data to a destination via an energy harvesting relay that utilizes hierarchical constellation. ... -
Adaptive network coding for spectrum sharing systems
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper, we propose an adaptive network coding scheme for cognitive relay networks comprising multiple secondary sources communicating with a common destination in the presence of multiple primary users. Conventional ... -
Airborne Sounding Radar for Desert Subsurface Exploration of Aquifers: Desert-SEA: Mission concept study [Space Agencies]
( IEEE , 2024 , Article)Shallow aquifers are the largest freshwater bodies in the North African Sahara and the Arabian Peninsula. Their groundwater dynamics and response to climatic variability and anthropogenic discharge remain largely unquantified ... -
An efficient algorithm for instantaneous frequency estimation of nonstationary multicomponent signals in low SNR
(2011 , Article)A method for components instantaneous frequency (IF) estimation of multicomponent signals in low signal-to-noise ratio (SNR) is proposed. The method combines a new proposed modification of a blind source separation (BSS) ... -
Asymptotic BER analysis of FSO with multiple receive apertures over M-distributed turbulence channels with pointing errors
( Optical Society of American (OSA) , 2014 , Article)In this paper, we consider a free-space optical (FSO) communication with multiple receive apertures over M-distributed turbulence channels with pointing errors. In particular, we consider two different combining schemes ... -
Average ber of multihop communication systems over fading channels
( IEEE , 2003 , Conference Paper)Multihop transmission is a way to attain broader coverage by splitting the communication link from the source to the destination into several, possibly shorter links/hops. This paper presents an expression for the moment ... -
Cognitive relay-sharing by using hierarchical modulation under interference constraints
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)In this paper, we investigate relay-sharing in cognitive radio (CR) networks to improve the secondary user's (SU's) performance in the presence of interference. It is assumed that the relay is shared simultaneously between ... -
Cooperative cognitive relaying under primary and secondary quality of service satisfaction
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)This paper proposes a new cooperative protocol which involves cooperation between primary and secondary users. We consider a cognitive setting with one primary user (PU) and multIPle secondary users (SUs). The time resource ... -
Coverage, Probability of SNR Gain, and DOR Analysis of RiS-Aided Communication Systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Recent studies have shown that reconfigurable Intelligent surfaces (RiSs) can help In extending the wireless coverage. However, no work has quantitatively analyzed the coverage. In this letter, we present the coverage ... -
Design and analysis of an adaptive compressive sensing architecture for epileptic seizure detection
( IEEE Computer Society , 2013 , Conference Paper)Epileptic detection techniques rely heavily on the Electroencephalography (EEG) as a representative signal carrying valuable information pertaining to the current brain state. In this work, we investigate the stability of ... -
Distributed interference management using Q-Learning in cognitive femtocell networks: New USRP-based implementation
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Femtocell networks have become a promising solution in supporting high data rates for 5G systems, where cell densification is performed using the small femtocells. However, femtocell networks have many challenges. One of ... -
Distributed spectrum sensing of correlated observations in cognitive radio networks
(2013 , Conference Paper)In this paper, Collaborative Spectrum Sensing (CSS) as one of the most efficient sensing approaches in Cognitive Radio Networks (CRNs) is investigated when the Secondary Users (SUs) observations are assumed to be correlated. ... -
Diversity-multiplexing tradeoff for log-normal fading channels
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Although there has been a growing interest on the study of diversity-multiplexing tradeoff (DMT), the existing works are mostly restricted to the outcomes reported for Rayleigh, Rician, and Nakagami fading channels. In ... -
End-to-End Image Steganography Using Deep Convolutional Autoencoders
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Image steganography is used to hide a secret image inside a cover image in plain sight. Traditionally, the secret data is converted into binary bits and the cover image is manipulated statistically to embed the secret ... -
End-to-end performance of transmission systems with relays over Rayleigh-fading channels
( IEEE , 2003 , Article)End-to-end performance of two-hops wireless communication systems with nonregenerative relays over flat Rayleigh-fading channels is presented. This is accomplished by deriving and applying some new closed-form expressions ... -
Energy conservation-based thresholding for effective wavelet denoising of partial discharge signals
( Institution of Engineering and Technology , 2016 , Article)Recent studies have shown that wavelet transform can effectively be used for noise reduction in the context of partial discharge (PD) signal detection and classification. Several thresholding approaches for wavelet denoising ...