• Channel modeling and characterization for VLC-based MBSNs impaired by 3D user mobility 

  Dönmez, Barış; Miramirkhani, Farshad (IEEE, 2021-11-27)

  This paper focuses on channel modeling and characterization of indoor visible light communication (VLC)-based medical body sensor networks (MBSNs) which establish links between light-emitting diodes (LEDs) and MBSNs nodes ...

• Considerations for inverter topology selection and limitations in active power filtering applications 

  Büyükdeğirmenci, Veysel T.; Sözüer, Abdurrahman; Milletsever, Özgür C.; Kozarva, Ömer F.; Öz, Taha; Hava, Ahmet Masum (IEEE, 2022-03-31)

  This paper presents a modular inverter structure utilizing hybrid SiC MOSFET based active neutral point clamped inverter for active power filter (APF) applications. An FPGA-based digital controller is developed. One major ...

• Semantic Communications in Networked Systems: A Data Significance Perspective 

  Uysal, Elif; Kaya, Onur; Ephremides, Anthony; Gross, James; Codreanu, Marian; Popovski, Petar; Assaad, Mohamad; Liva, Gianluigi; Munari, Andrea; Soleymani, Touraj; Soret, Beatriz; Johansson, Karl Henrik (IEEE, 2021-06)

  We present our vision for a departure from the established way of architecting and assessing communication networks, by incorporating the semantics of information for communications and control in networked systems. We ...

• Age of Information in Practice 

  Uysal, Elif; Kaya, Onur; Baghaee, Sajjad; Beytur, Hasan Burhan (Cambridge University Press, 2021-06-07)

  While age of Information (AoI) has gained importance as a metric characterizing the freshness of information in information-update systems and time-critical applications, most previous studies on AoI have been theoretical. ...

• Enabling 5G indoor services for residential environment using VLC technology 

  Miramirkhani, Farshad; Karbalayghareh, Mehdi; Zeydan, Engin; Mitra, Rangeet (Elsevier B.V., 2022-03-10)

  Visible light communication (VLC) has emerged as a viable complement to traditional radio frequency (RF) based systems and as an enabler for high data rate communications for beyond-5G (B5G) indoor communication systems. ...

• Inductor saturation compensation in three-phase three-wire voltage-source converters via inverse system dynamics 

  Özkan, Ziya; Hava, Ahmet Masum (Institute of Electrical and Electronics Engineers Inc., 2022-05-01)

  In three-phase three-wire (3P3W) voltage-source converter (VSC) systems, utilization of filter inductors with deep saturation characteristics is often advantageous due to the improved size, cost, and efficiency. However, ...

• Image recovery of inaccessible rough surfaces profiles having impedance boundary condition 

  Sefer, Ahmet; Yapar, Ali (IEEE, 2022)

  This letter addresses a reconstruction algorithm of locally rough inaccessible surface profiles via the knowledge of the scattered field data under the consideration of the impedance boundary condition (IBC). To this aim, ...

• Reconstruction algorithm for impenetrable rough surface profile under Neumann boundary condition 

  Sefer, Ahmet; Yapar, Ali (Taylor and Francis Ltd., 2021-11)

  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 ...

• Channel modeling and characterization for VLC-based medical body sensor networks: trends and challenges 

  Dönmez, Barış; Mitra, Rangeet; Miramirkhani, Farshad (IEEE, 2021-11-15)

  Optical Wireless Communication (OWC) refers to transmission in unguided propagation media through the use of optical carriers, i.e., visible, Infrared (IR), and Ultraviolet (UV) bands. In this paper, we focus on indoor ...

• A novel biometric identification system based on fingertip electrocardiogram and speech signals 

  Güven, Gökhan; Güz, Ümit; Gürkan, Hakan (Elsevier Inc., 2022-03)

  In this research work, we propose a one-dimensional Convolutional Neural Network (CNN) based biometric identification system that combines speech and ECG modalities. The aim is to find an effective identification strategy ...

• When to pull data for minimum age penalty 

  Yavaşcan, Orhan Tahir; Ceran, Elif Tuğçe; Cakir, Zeynep; Uysal, Elif; Kaya, Onur (IEEE, 2021-10-18)

  A communication receiver that wants to pull data from a remote sensor by exploiting wireless energy transfer is considered. The receiver has a long-term average energy budget for this operation, and its goal is to keep the ...

• Comparative performance evaluation of VLC, LTE and WLAN technologies in indoor environments 

  Zeshan, Arooba; Karbalayghareh, Mehdi; Miramirkhani, Farshad; Uysal, Murat; Baykaş, Tunçer (IEEE, 2021-05-24)

  Recent years have seen an exponential rise in the demand for indoor wireless connections that have driven future generation networks to aim for higher data rates with extended coverage and affordable rates. The two most ...

• Effect of scattering phase function on underwater visible light communication channel models 

  Miramirkhani, Farshad; Karbalayghareh, Mehdi; Uysal, Murat (Elsevier Ltd, 2021-10)

  Non-sequential ray tracing simulations are commonly employed to model underwater visible light communication (VLC) channels. The accuracy of such simulations highly depends on how well the optical properties of water (i.e., ...

• A Fractional-Order Transitional Butterworth-Butterworth Filter and its experimental validation 

  Mahata, Shibendu; Herencsar, Norbert; Kubanek, David; Kar, Rajib; Mandal, Durbadal; Göknar, İzzet Cem (IEEE, 2021)

  This paper introduces the generalization of the classical Transitional Butterworth-Butterworth Filter (TBBF) to the Fractional-Order (FO) domain. Stable rational approximants of the FO-TBBF are optimally realized. Several ...

• Circuits and Systems in Turkey [CAS in the World] 

  Yarman, Bekir Sıddık Binboğa; Göknar, İzzet Cem (IEEE, 2021)

  Reports on the activities of CASS chapters.

• IEEE CAS Activities In Central America And Mexico 

  Yarman, Bekir Sıddık Binboğa; Göknar, İzzet Cem (IEEE, 2021)

  Reports on CASS chapter activities in Central America and Mexico.

• A path loss model for link budget analysis of indoor visible light communications 

  Miramirkhani, Farshad (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. ...

• Co-array optimization of CMUT arrays for forward-looking IVUS 

  Tekeş, Coşkun; Karaman, Mustafa; Değertekin, Fahrettin Levent (IEEE, 2009-09)

  The ring annular array structure is a preferred configuration for implementing Forward-Looking IVUS (FLIVUS) catheters as it allows for volumetric imaging as well as use of a guidewire at the center. CMUT technology is ...

• Power control in the cognitive cooperative multiple access channel 

  Kaya, Onur; İşleyen, Murat (IEEE, 2012)

  We extend several encoding and decoding techniques from cooperative communications framework, to a cognitive radio system consisting of a primary user (PU) and a secondary user (SU), sending their messages to a common ...

• An endoscopie imaging system based on a two-dimensional CMUT array: real-time imaging results 

  Wygant, Ira O.; Zhuang, Xuefeng; Yeh, David T.; Vaithilingam, Srikant; Nikoozadeh, Amin; Oralkan, Ömer; Ergün, Arif Sanlı; Karaman, Mustafa; Khuri-Yakub, Butrus Thomas (IEEE, 2005)

  Real-time catheter-based ultrasound imaging tools are needed for diagnosis and image-guided procedures. The continued development of these tools is partially limited by the difficulty of fabricating two-dimensional array ...

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