Yayın tarihi için Bildiri Koleksiyonu listeleme
Toplam kayıt 199, listelenen: 21-40
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Short paper: Secure multi-user transmission using CoMP directional modulation
(Institute of Electrical and Electronics Engineers, 2015)Directional Modulation is a recently developed multi-antenna technique for secure transmission. It allows to transmit signals in desired directions while distorting the signal in the other directions. To secure the ... -
Short paper: Experimental characterization of in vivo wireless communication channels
(Institute of Electrical and Electronics Engineers, 2015)In vivo wireless medical devices have a critical role in healthcare technologies due to their continuous health monitoring and noninvasive surgery capabilities. In order to fully exploit the potential of such devices, it ... -
N-continuous OFDM with CP alignment
(Institute of Electrical and Electronics Engineers, 2015)In this paper, we propose an out-of-band (OOB) reduction method which incorporates with multipath channel and N-continuous OFDM structure. By exploiting the inevitable guard periods between OFDM symbols, i.e., cyclic prefix ... -
Analysis of extended busy tone performance for coexistence between WRAN and WLAN TVWS networks
(Institute of Electrical and Electronics Engineers, 2015)TV White Spaces indicate spectrum bands, which were reserved for licensed terrestrial TV broadcasting and opened to unlicensed use under regulatory conditions. One important regulation which is common in all regulatory ... -
Achieving secure communication through pilot manipulation
(Institute of Electrical and Electronics Engineers, 2015)Raising concerns about the security of wireless communication led researchers develop new concepts to keep information secret from eavesdroppers. Among them, physical layer security relies on the features of the wireless ... -
Suppressing alignment: An approach for out-of-band interference reduction in OFDM systems
(Institute of Electrical and Electronics Engineers, 2015)In this work, we introduce a novel approach, called suppressing alignment, to reduce the out-of-band (OOB) interference of orthogonal frequency division multiplexing (OFDM) systems. Suppressing alignment exploits the ... -
A survey: Spoofing attacks in physical layer security
(IEEE Computer Society, 2015)Increasing demand on wireless communications also increases the issues related to communication security. Among different security solutions, physical layer security have recently been gaining many interests by the ... -
Air-Ground Doppler-delay spread spectrum for dense scattering environments
(Institute of Electrical and Electronics Engineers, 2015)Applications using Air-Ground communications are expected to grow in the future. Low altitude phases of these wireless links are considered sever channels, as they experience huge delay and Doppler spreads, however, they ... -
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 ... -
A practical physical-layer security method for precoded OSTBC-based systems
(Institute of Electrical and Electronics Engineers, 2016)In this work, we investigate the security performance obtained by employing a practical precoded orthogonal space time block coding method (POSTBC) in MISO wireless networks. In particular, space time codewords are precoded ... -
2D CMUT array based ultrasonic micromanipulation platform
(IEEE Computer Society, 2016)In this paper, we designed and simulated a multilayer planar resonator with target frequency of 2.5 MHz which is created over a row/column-addressed 2D CMUT array. We have shown through finite element modeling and simulations ... -
A MEMS T/R switch embedded in CMUT structure for ultrasound imaging frontends
(IEEE Computer Society, 2016)This paper describes a novel MEMS transmit/ receive (T/R) switch that could be embedded in the general structure of a capacitive micromachined ultrasonic transducer (CMUT). A MEMS switch and a CMUT element were fabricated ... -
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 ... -
Secret key generation using channel quantization with SVD for reciprocal MIMO channels
(IEEE, 2016)The generation of secret keys from reciprocal wireless channel by exploiting their randomness nature, is an emerging area of interest to provide secure communication. One of the main challenges in this domain is to increase ... -
Light field registration: A multi-view geometry approach
(Institute of Electrical and Electronics Engineers Inc., 2016)Through capturing spatial and angular radiance distribution, light field cameras bring new capabilities that are not possible with conventional imaging systems. So far in the light field imaging literature, the focus has ... -
Hybrid stereo imaging including a light field and a regular camera
(Institute of Electrical and Electronics Engineers Inc., 2016)Light field imaging involves capturing both angular and spatial distribution of light; it enables new capabilities, such as post-capture digital refocusing, perspective shift, and depth estimation. Micro-lens array (MLA) ... -
Kablosuz implante edilebilen medikal cihazlar için çok taşıyıcılı yapı kullanarak güvenli komut iletimi
(Institute of Electrical and Electronics Engineers Inc., 2016)Kablosuz ileti¸sime olan ilgi, saglık alanında ve ˘özellikle medikal implant cihazları (IMD) alanında artmaktadır.Kablosuz sinyallerin yayılıma açık dogası gere ˘ gi, IMD ile hekimin ˘kullandıgı uzaktan kontrol cihazı ... -
Waveform design principles for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2016)Various emerging applications in future wireless networks require rethinking the access techniques not only from the capacity perspective but also satisfying a wide variety of requirements under the same framework. Traditional ... -
5g ve ötesi için yeni nesil dalga şekli yaklaşımları
(Institute of Electrical and Electronics Engineers Inc., 2016)5G ve sonrası hücresel haberle¸sme sistemleri için yenidalga ¸sekli geli¸stirme çalı¸smaları tüm dünyada devam etmektedir.Yüksek veri hacmi, yüksek veri hızları, dü¸sük gecikme süreleri,yüksek uçbirim sayısı, çoklu anten ... -
Channel independent physical layer security
(Institute of Electrical and Electronics Engineers Inc., 2016)Security is one of the key requirements of wireless communication systems. By exploiting the broadcast nature of wireless medium, a malicious user might attempt to mislead the legitimate nodes, intercept the communication ...
