Başlık için MF - Makale Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering listeleme
Toplam kayıt 181, listelenen: 154-173
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A path loss model for link budget analysis of indoor visible light communications
(Istanbul Univ-Cerrahpasa, 2021-05)In the context of beyond 5G indoor communication systems, visible light communications (VLC) has emerged as a viable supplement for existing radio frequency based systems and as an enabler for high data rate communications. ... -
Postprocessing of decoded color images by adaptive linear filtering
(Elsevier Science, 2003-02)This paper presents an image adaptive linear filtering method for the reconstruction of the RGB (red, blue, green) color coordinates of a pixel from the lossy compressed luminance/chrominance color coordinates. In the ... -
Power allocation for cooperative communications
(IGI Global, 2009)In this chapter, we review the optimal power allocation policies for fading channels in single user and multiple access scenarios. We provide some background on cooperative communications, starting with the relay channel, ... -
Power amplifier design principles
(CRC Press Taylor & Francis Group, 2016)[No abstract available] -
Power control for fading cooperative multiple access channels
(IEEE, 2007-08)For a fading Gaussian multiple access channel with user cooperation, we obtain the power allocation policies that maximize the average rates achievable by block Markov superposition coding, subject to average power ... -
Power control for two user cooperative OFDMA channels
(IEEE-INST Electrical Electronics Engineers Inc, 2013-01)For a two user cooperative orthogonal frequency division multiple access (OFDMA) system with full channel state information (CSI), we obtain the optimal power allocation (PA) policies which maximize the rate region achievable ... -
Predictive vector quantization of 3-D mesh geometry by representation of vertices in local coordinate systems
(Elsevier Inc, 2007-08)In predictive 3-D mesh geometry coding, the position of each vertex is predicted from the previously coded neighboring vertices and the resultant prediction error vectors are coded. In this work, the prediction error vectors ... -
Range sensing with a Scheimpflug camera and a CMOS sensor/processor chip
(IEEE-INST Electrical Electronics Engineers Inc, 2004-02)An image-based range-sensing technique is presented. The technique is originally considered for highway collision avoidance applications, but its generality makes it suitable for application in robotics, manufacturing, and ... -
Rate-distortion and complexity optimized motion estimation for H.264 video coding
(IEEE-INST Electrical Electronics Engineers Inc, 2008-02)11.264 video coding standard supports several inter-prediction coding modes that use macroblock (MB) partitions with variable block sizes. Rate-distortion (R-D) optimal selection of both the motion vectors (MVs) and the ... -
A real frequency approach to describe lossless two-ports formed with mixed lumped and distributed elements
(Urban & Fischer Verlag, 2001)The design of microwave filters, matching networks, amplifiers, that Is the "Broadband Networks" with mixed lossless lumped and distributed elements, has been a significant concern of the circuit theoreticians of the field. ... -
Reconstruction algorithm for impenetrable rough surface profile under Neumann boundary condition
(Taylor and Francis Ltd., 2022-05-24)In this paper, an algorithm to reconstruct one-dimensional impenetrable rough surface from the knowledge of scattering field is presented. The rough surface is considered as locally perturbed and the scattering field data ... -
Recovery of impenetrable rough surface profiles via CNN-based deep learning architecture
(Taylor and Francis Ltd., 2022-08-18)In this paper, a convolutional neural network (CNN)-based deep learning (DL) architecture for the solution of an electromagnetic inverse problem related to imaging of the shape of the perfectly electric conducting (PEC) ... -
Robust stability analysis of a class of neural networks with discrete time delays
(Pergamon-Elsevier Science Ltd, 2012-05)This paper studies the existence, uniqueness and global asymptotic stability of the equilibrium point for the class of neural networks with discrete constant time delays under parameter uncertainties. The class of the ... -
Scattering of electromagnetic waves by a rectangular impedance cylinder
(Elsevier Science, 2000-04)A uniformly valid asymptotic solution is developed for the diffraction of a high-frequency wave by an infinitely long rectangular cylinder having different impedance walls. The incident wave is generated by a line source ... -
Sequence estimation with transmit diversity for wireless communications
(Urban & Fischer Verlag, 2003)In this paper, an optimum sequence estimation algorithm for wireless systems with Alamouti's two transmitter diversity in the presence of multipath fading is proposed. The algorithm is based on a jointly iterative channel ... -
Signal identification for multiple-antenna wireless systems: achievements and challenges
(IEEE, 2016-01-18)Signal identification is an umbrella term for signal processing techniques designed for the identification of the transmission parameters of unknown or partially known communication signals. Initially a key technology for ... -
Significance map pruning and other enhancements to SPIHT image coding algorithm
(Elsevier Science, 2003-10)This paper proposes several enhancements to the Set Partitioning in Hierarchical Trees (SPIHT) image coding algorithm without changing the original algorithm's general skeleton. First and foremost, a method for significance ... -
Special issue on cognitive radio: The road for its second decade
(Elsevier Science BV, 2013-12)[No abstract available] -
Spectral correlation of a digital pulse stream modulated by a cyclostationary sequence in the presence of timing jitter
(IEEE-INST Electrical Electronics Engineers Inc, 2009-02)Cyclostationarity is an inherent characteristic of many communication signals, which can be exploited for performing various signal processing tasks. Imperfections in the signal generation that affect the cyclic statistics ... -
Sperm motility analysis system implemented on a hybrid architecture to produce an intelligent analyzer
(Elsevier Ltd, 2020)Much research and analysis in biomedicine involve image and video inspection using microscopes. Presently, scientists are dissatisfied with manual observations and assessments, when objective and enhanced data can be ...
