Browsing Bildiri Koleksiyonu by Access Type "info:eu-repo/semantics/openAccess"
Now showing items 1-20 of 60
-
5G sonrası için farklı kablosuz haberleşme sistemlerinde dalga şekli tasarım öncelikleri
(Institute of Electrical and Electronics Engineers Inc., 2017)5G ve sonrası hücresel ağların geliştirilmesi sürecinde birçok farklı kablosuz haberleşme sistemini kapsayacak şekilde çok büyük bir çatı sisteme ulaşılacağı öngörülmektedir. Bu çatı altında, farklı gereksinim ihtiyaçlarına ... -
Abused android permissions by advertising networks
(Institute of Electrical and Electronics Engineers Inc., 2014)Android is the leading mobile operating system for smart phone and mobile tablet platforms. Since these mobile devices contain personal and sensitive data, security is a big challenge for them. Even though various security ... -
Adaptive bit-loading in relay-aided cognitive radio network
(Institute of Electrical and Electronics Engineers Inc., 2017)In this work, we consider a joint power allocation and bit loading problem in an orthogonal frequency division multiplexing (OFDM) based cognitive radio (CR) network. The objective is to maximize the end-to-end rate in a ... -
Adaptive windowing of insufficient CP for joint minimization of ISI and ACI beyond 5G
(Institute of Electrical and Electronics Engineers Inc., 2017)Using minimum, even insufficient guards are proposed to achieve the spectral efficiency and latency requirements of cellular communication systems beyond 5G. This leads to interference in both time and frequency domains. ... -
Bir ön çalışma: El ve bilek rehabilitasyonu için mobil cihaz
(Institute of Electrical and Electronics Engineers Inc., 2018)Göreve özgü rehabilitasyon, belirli nörolojik problemleri ele almak için etkili bir yaklaşım olarak ortaya çıkmıştır. Özellikle, hemiparezi ve hem ipleji şikayet olan hastaların el ve el bileklerinin iyileşme sürecinde ... -
Blind numerology identification for mixed numerologies
(IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)5G New Radio (NR) introduces new flexibility that different numerologies can be selected to meet the requirements of a wide variety of services. For this new structure, blind numerology identification can increase system ... -
CMUTs on glass with ITO bottom electrodes for improved transparency
(IEEE Computer Society, 2016)In this work, we fabricated capacitive micromachined ultrasonic transducers (CMUTs) on a glass substrate with indium tin oxide (ITO) bottom electrodes for improved transparency. A 2-µm vibrating silicon plate was formed ... -
Compact dual-band implantable antenna for e-health monitoring
(Institute of Electrical and Electronics Engineers, 2017)This work presents a compact dual-band Planar Inverted F-antenna (PIFA) antenna useful for E-health monitoring and wireless sensors systems. The antenna operates in the Industrial Standard and Medical (ISM) and Wireless ... -
A compact hairpin filter with stepped hairpin defected ground structure
(Institute of Electrical and Electronics Engineers Inc., 2018)A compact hairpin line bandpass filter is presented with two different defected ground structures (DGS). The DGS are used to reduce the distributive response of the microstrip filter. The harmonic at 2 fo is suppressed to ... -
A comparative review on the wireless implantable medical devices privacy and security
(Institute of Electrical and Electronics Engineers, 2014)Nowadays wireless communication is playing a vital role in implantable medical devices (IMDs) on health-care applications. It has many advantages in remote health monitoring, treatment and prediction for critical cases. ... -
Controlled inter-carrier interference for physical layer security in OFDM systems
(Institute of Electrical and Electronics Engineers Inc., 2016)Performance of OFDM is known to be very sensitive to frequency synchronization errors. By exploiting this feature, a novel technique is proposed to provide secure communication against eavesdropping. The technique is based ... -
Cross MAC/PHY layer security design using ARQ with MRC and adaptive modulation
(Institute of Electrical and Electronics Engineers Inc., 2016)In this work, Automatic-Repeat-Request (ARQ) and Maximal Ratio Combination (MRC), have been jointly exploited to enhance the confidentiality of wireless services requested by a legitimate user (Bob) against an eavesdropper ... -
Cyclic feature concealing cp selection for physical layer security
(Institute of Electrical and Electronics Engineers Inc., 2014)Cyclic prefix (CP) utilizing techniques such as orthogonal frequency division multiplexing (OFDM) and singlecarrier frequency domain equalization (SC-FDE) offer significant advantages in equalizing the effect of time ... -
Deconvolution based light field extraction from a single image capture
(IEEE Computer Society, 2018)In this paper, we propose a method to extract light field using a conventional camera from a single image capture. The method involves an offline calibration process, where point spread functions, relating different ... -
Deep learning-based optimal ris interaction exploiting previously sampled channel correlations
(IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)The reconfigurable intelligent surface (RIS) technology has attracted interest due to its promising coverage and spectral efficiency features. However, some challenges need to be addressed to realize this technology in ... -
An efficient security method based on exploiting channel state information (CSI)
(Institute of Electrical and Electronics Engineers Inc., 2017)A channel amplitude quantization method that can effectively quantize the channel response using just one single threshold value is proposed in order to extract a random manipulating sequence with good secrecy properties. ... -
Energy-efficient resource allocation for 5G cognitive radio NOMA using game theory
(IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)Cognitive radio non-orthogonal multiple access (CR-NOMA) networks promise improved spectrum utilization and capacity in 5G networks. In this work, we aim to investigate efficient power allocation for the secondary users ... -
Enhancing physical layer security of OFDM systems using channel shortening
(Institute of Electrical and Electronics Engineers Inc., 2017)This work presents a simple, spectral and power efficient scheme for providing secure OFDM communication system using channel shortening. The basic concept is to utilize a channel shortening technique, whose design is based ... -
FDD massive MIMO downlink channel estimation via selective sparse coding over AOA/AOD cluster dictionaries
(Institute of Electrical and Electronics Engineers Inc., 2018)Sparse coding over a redundant dictionary has recently been used as a framework for downlink channel estimation in frequency division duplex massive multiple-input multiple-output antenna systems. This usage allows for ... -
Fm channel model development and its emulator
(Institute of Electrical and Electronics Engineers Inc., 2018)With the widespread availability of Internet, voice only broadcast in the FM Band will soon be abandoned as Internet Radio can provide the same content with no boundaries. The available band can then be exploited for ...
