Elektrik - Elektronik Mühendisliği Bölümü Koleksiyonu by Institution Author "Şenol, Habib"
Now showing items 1-20 of 21
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Bayesian estimation of discrete-time cellular neural network coefficients
Özer, Hakan Metin; Özmen, Atilla; Şenol, Habib (TUBITAK Scientific & Technical Research Council Turkey, 2017)A new method for finding the network coefficients of a discrete-time cellular neural network (DTCNN) is proposed. This new method uses a probabilistic approach that itself uses Bayesian learning to estimate the network ... -
Channel Estimation for Realistic Indoor Optical Wireless Communication in ACO-OFDM Systems
Özmen, Atilla; Şenol, Habib (Springer, 2018)In this paper channel estimation problem in a visible light communication system is considered. The information data is transmitted using asymmetrical clipped optical orthogonal frequency division multiplexing. Channel ... -
Channel estimation in underwater cooperative OFDM system with amplify-and-forward relaying
Şenol, Habib; Panayırcı, Erdal; Erdoğan, Mustafa; Uysal, Murat (IEEE, 2012)This paper is concerned with a challenging problem of channel estimation for amplify-and-forward cooperative relay based orthogonal frequency division multiplexing (OFDM) systems in the presence of sparse underwater acoustic ... -
Data-Aided Autoregressive Sparse Channel Tracking for OFDM Systems
Buyuksar, Ayse Betul; Şenol, Habib; Erküçük, Serhat; Cirpan, Hakan Ali (IEEE, 2016)In order to meet future communication system requirements channel estimation over fast fading and frequency selective channels is crucial. In this paper Space Alternated Generalized Expectation Maximization Maximum a ... -
Effect of Inter-Block-Interference-Free Region on Compressed Sensing Based Channel Estimation in TDS-OFDM Systems
Başaran, Mehmet; Erküçük, Serhat; Şenol, Habib; Cirpan, Hakan Ali (IEEE, 2016)Time domain synchronous orthogonal frequency division multiplexing (TDS-OFDM) is the basis technology for digital television standard (DTV) employed in some countries thanks to its high spectral efficiency when compared ... -
Information theoretical performance limits of single-carrier underwater acoustic systems
Nouri, Hatef; Uysal, Murat; Panayırcı, Erdal; Şenol, Habib (Inst Engineering Technology-IET, 2014)In this study the authors investigate the information theoretical limits on the performance of point-to-point single-carrier acoustic systems over frequency-selective underwater channels with intersymbol interference. Under ... -
Joint Channel Estimation and Equalization for OFDM based Broadband Communications in Rapidly Varying Mobile Channels
Şenol, Habib; Poor, H. Vincent (IEEE, 2010)This paper is concerned with the challenging and timely problem of channel estimation for orthogonal frequency division multiplexing (OFDM) systems in the presence of frequency selective and very rapidly time varying ... -
Joint Channel Estimation Equalization and Data Detection for OFDM Systems in the Presence of Very High Mobility
Panayırcı, Erdal; Şenol, Habib; Poor, H. Vincent (IEEE-INST Electrical Electronics Engineers Inc, 2010)This paper is concerned with the challenging and timely problem of joint channel estimation equalization and data detection for uplink orthogonal frequency division multiplexing (OFDM) systems in the presence of frequency ... -
Joint phase noise estimation and source detection [Ortak faz gürültüsü kestirimi ve kaynak sezimlemesi]
Rapidly time-varying and random disturbing effects on the phase of a signal waveform are known as phase noise. In this paper we consider the problem of joint detection of continuous-valued information source output and ... -
A low-complexity KL expansion-based channel estimator for OFDM systems
This paper first proposes a computationally efficient pilot-aided linear minimum mean square error (MMSE) batch channel estimation algorithm for OFDM systems in unknown wireless fading channels. The proposed approach employs ... -
A low-complexity time-domain MMSE channel estimator for space-time/frequency block-coded OFDM systems
Şenol, Habib; Çırpan, Hakan Ali; Panayırcı, Erdal (Hindawi Publishing Corporation, 2006)Focusing on transmit diversity orthogonal frequency-division multiplexing (OFDM) transmission through frequency-selective channels this paper pursues a channel estimation approach in time domain for both space-frequency ... -
Modeling of Visible Light Channels and Performance Analysis of ACO-OFDM
Yeşilkaya, Anıl; Alsan, Hüseyin Fuat; Miramirkhani, Farshad; Panayırcı, Erdal; Şenol, Habib; Uysal, Murat (IEEE, 2015)Spectrum scarcity of traditional radio communication has led communication engineers to find new alternatives. Indoor visible light communication is one alternative to solve this problem since its spectrum is not regulated ... -
MP-SAGE Based Channel Estimation for Underwater Cooperative OFDM Systems
Erdoğan, Mustafa; Şenol, Habib; Panayırcı, Erdal; Uysal, Murat (IEEE, 2013)In this paper an efficient channel estimation algorithm is proposed for amplify-and-forward (AF) cooperative relay based orthogonal frequency division multiplexing (OFDM) system in the presence of sparse underwater acoustic ... -
Nondata-aided joint channel estimation and equalization for OFDM systems in very rapidly varying mobile channels
Şenol, Habib; Panayırcı, Erdal; Poor, H. Vincent (IEEE-INST Electrical Electronics Engineers Inc, 2012)This paper is concerned with the challenging and timely problem of joint channel estimation and equalization for orthogonal frequency division multiplexing (OFDM) systems in the presence of frequency selective and very ... -
Performance Investigation of IEEE 802.11af Systems Under Realistic Channel Conditions
Macit, Mustafa Can; Şenol, Habib; Erküçük, Serhat (IEEE, 2015)As the analog TV broadcasting channels have become less frequently used in the last decade there has been a great interest in these frequency bands for the deployment of metropolitan local and personal area networks. Among ... -
Pilot-aided bayesian MMSE channel estimation for OFDM systems: Algorithm and performance analysis
This paper proposes a computationally efficient pilot-aided minimum mean square error (MMSE) channel estimation algorithm for OFDM systems. The proposed approach employs a convenient representation of the discrete multipath ... -
Rapidly Varying Sparse Channel Tracking with Hybrid Kalman-OMP Algorithm
Büyükşar, Ayşe Betül; Şenol, Habib; Erküçük, Serhat; Cirpan, Hakan Ali (Springer, 2019)It is expected from future communication standards that channel estimation algorithms should be able to operate over very fast varying frequency selective channel models. Therefore in this study autoregressive (AR) modeled ... -
Realistic Channel Estimation of IEEE 802.11af Systems in TV White Space
Başaran, Mehmet; Macit, Mustafa Can; Şenol, Habib; Erküçük, Serhat (Institute of Electrical and Electronics Engineers Inc., 2020)This work investigates the realistic performance of IEEE 802.11af systems released for the efficient spectrum utilization of TV white space (TVWS). These systems are operated over many contiguous or non-contiguous channels ... -
Semiblind joint channel estimation and equalization for OFDM systems in rapidly varying channels
We describe a new joint iterative channel estimation and equalization algorithm for joint channel estimation and data detection for orthogonal frequency division multiplexing (OFDM) systems in the presence of frequency ... -
Sparse channel estimation for OFDM-based underwater cooperative systems with amplify-and-forward relaying
Şenol, Habib; Panayırcı, Erdal; Uysal, Murat (IEEE Computer Society, 2014)This paper is concerned with a challenging problem of channel estimation for amplify-and-forward cooperative relay based orthogonal frequency division multiplexing (OFDM) systems in the presence of sparse underwater acoustic ...