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Toplam kayıt 253, listelenen: 31-40
Enhanced physical layer security by OFDM signal transmission in fractional Fourier domains
(Institute of Electrical and Electronics Engineers, 2015)
The main idea of physical layer security for wireless communications is making the transmitted signal as meaningless for eavesdroppers. It can be achieved by signal processing techniques. In this study, fractional Fourier ...
Physical layer security for wireless implantable medical devices
(Institute of Electrical and Electronics Engineers, 2015)
Wireless communications are increasingly important in health-care applications, particularly in those that use implantable medical devices (IMDs). Such systems have many advantages in providing remote healthcare in terms ...
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 ...
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 ...
Time-frequency characteristics and PAPR reduction of OTDM waveform for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2017)
This paper provides an in-depth investigation and analysis on the characteristics of channel-based transform waveforms and their differences from Fourier transform-based waveforms. Particularly, the basis functions of the ...
Secure pre-coding and post-coding for OFDM systems along with hardware implementation
(Institute of Electrical and Electronics Engineers Inc., 2017)
An effective and hardware-friendly physical layer security design, composed of a channel-based frequency pre-coder and a post-coder for OFDM-based systems, is proposed. The design is achieved by decomposing the diagonal ...
Secure communication via untrusted switchable decode-and-forward relay
(Institute of Electrical and Electronics Engineers Inc., 2017)
In this paper, a practical power efficient technique is proposed for an untrusted decode-and-forward (DAF) based cooperative communication system to provide secure communication between the source and the destination. More ...
High dynamic range imaging using a plenoptic camera
(Institute of Electrical and Electronics Engineers Inc., 2017)
Light field (or plenoptic) imaging has become an attractive research field due to its post-capture capabilities, including refocusing, perspective change and depth estimation. Micro-lens array based cameras that recently ...
Hybrid-sensor high-resolution light field imaging
(Institute of Electrical and Electronics Engineers Inc., 2017)
Light field imaging is an emerging research field due to the new capabilities it brings, including post-capture refocusing, aperture control, and 3D modeling. Single-shot single-sensor light field cameras try to balance ...