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Toplam kayıt 206, listelenen: 175-194
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Secure key exchange and transmission design using artificial noise ınjection in OFDM systems
(Institute of Electrical and Electronics Engineers Inc., 2022)Orthogonal frequency division multiplexing (OFDM) is such a vital waveform scheme that is utilized in fifth-generation (5G) communication systems as well as the previous one. Since the usage scenarios of 5G are quite wide, ... -
Secure multiple-users transmission using multi-path directional modulation
(Institute of Engineers and Everyone Else, 2016)This work introduces a physical-layer secure multiple-users communication scheme. Our scheme employs the multi-path nature of the wireless channel to provide a different secure communication link for each of the legitimate ... -
Secure pilot allocation for integrated sensing and communication
(Institute of Electrical and Electronics Engineers Inc., 2022)Sensing and physical layer security are among the key features of sixth-generation wireless networks. New security issues are emerging due to the proliferation of integrated sensing and communication applications, particularly ... -
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 ... -
Selection of waveform parameters using machine learning for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2019)Flexibility is one of the essential requirements for future cellular communications technologies. Providing customized communications solutions for each user and service type cannot be possible without the flexibility in ... -
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 ... -
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 ... -
Signal of opportunity based TDOA positioning using analog TV signals
(IEEE Computer Society, 2023)The ability to self-localize is an essential requirement for many systems. Mostly, this is accomplished by using a Global Positioning System (GPS) receiver. However, in some situations, the GPS receiver is disabled by ... -
Signal relation-based physical layer authentication
(Institute of Electrical and Electronics Engineers Inc., 2020)Most physical-layer authentication techniques use channel information to prevent spoofing attacks. In such techniques, one must estimate the channel information for each authentication procedure. However, when the number ... -
Signal statistics based multiple AP detection for smart spectrum sharing in LTE-U/Wi-Fi coexistence
(Institute of Electrical and Electronics Engineers Inc., 2021)For existing IEEE 802.11ax and futurist Wi-Fi standards, one of the major challenges is fair coexistence with LTE-Unlicensed/5G-New Radio (LTE-U/5G-NR) and other internet of things (IoT) paradigms. An algorithm is developed ... -
Single carrier transmission for urllc with adaptive radio resource utilization
(Institute of Electrical and Electronics Engineers Inc., 2019)Next generation of wireless communication systems is expected to support a wide set of applications and use cases. Among these, applications with ultra-reliable and low-latency communications (URLLC) are at utmost importance ... -
Space-varying blur kernel estimation and image deblurring
(SPIE, 2014)In recent years, we have seen highly successful blind image deblurring algorithms that can even handle large motion blurs. Most of these algorithms assume that the entire image is blurred with a single blur kernel. This ... -
Sparse coding for transform domain-based sparse OFDM channel estimation
(IEEE-Inst Electrical Electronics Engineering Inc, 2019)In orthogonal frequency division multiplexing (OFDM) systems, frequency domain pilot-aided channel estimation is based on interpolating a down-sampled version of the channel frequency response. This is achieved by transforming ... -
Sparse coding with enhanced atom selection for FDD massive MIMO channel estimation
(Institute of Electrical and Electronics Engineers Inc., 2021)In sparse coding-based channel estimation, atom selection is based on jointly minimizing the sparsity and the error of the representation of the noisy measurement. However, this selection is not necessarily optimal in terms ... -
Spatially distributed channel shortening aided physical layer security
(Institute of Electrical and Electronics Engineers Inc., 2023)Wireless networks have become imperative in all areas of human life. As such, one of the most critical concerns in next-generation networks is ensuring the security and privacy of user data/communication. Cryptography has ... -
Static cyclic prefix alignment for OFDM-based waveforms
(Institute of Electrical and Electronics Engineers Inc., 2016)The cyclic prefix (CP) alignment is an appealing technique for achieving multiple goals such as peak-to-average power ratio (PAPR) reduction, out-of-band (OOB) leakage suppression, and physical layer (PHY) security. It ... -
Statistical channel modeling for short range line-of-sight terahertz communication
(Institute of Electrical and Electronics Engineers Inc., 2019)Underutilized spectrum constitutes a major concern in wireless communications especially in the presence of legacy systems and the prolific need for high-capacity applications as well as consumer expectations. From this ... -
Statistical modeling of propagation channels for Terahertz band
(Institute of Electrical and Electronics Engineers Inc., 2017)Digital revolution and recent advances in telecommunications technology enable to design communication systems which operate within the regions close to the theoretical capacity limits. Ever-increasing demand for wireless ... -
Super-resolution restoration of motion blurred images
(SPIE, 2014)In this paper, we investigate super-resolution image restoration from multiple images, which are possibly degraded with large motion blur. The blur kernel for each input image is separately estimated. This is unlike many ... -
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 ...
