Yayın tarihi için Bildiri Koleksiyonu listeleme
Toplam kayıt 199, listelenen: 41-60
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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 ... -
Türkiye TVBB potansiyeli
(Institute of Electrical and Electronics Engineers Inc., 2016)Kablosuz haberleşme teknolojilerinin gelişmesiylemevcut frekans spektrumunun kullanımına ait talepler deartmaktadır. Dinamik spektrum erişimi (DSA) bu talebinkarşılanması için çözüm olabilecek bir kavramdır. Bukavram ... -
Reliable listen-before-talk mechanism for medical implant communication systems
(Institute of Electrical and Electronics Engineers Inc., 2016)Health care applications of wireless communication have been finding places dramatically. One of these applications is communication of implantable medical devices (IMD)s. It is expected that the number of IMDs will increase ... -
Compensation for the mutual coupling in transmitting antenna arrays
(Institute of Electrical and Electronics Engineers Inc., 2016)A numerical study is presented for the compensation of mutual coupling in antenna arrays. A Matlab code based on method of moments is used to find the compensated far field radiation patterns for non-identical and/or ... -
Microwave heating of heavy oil and bitumen
(Institute of Electrical and Electronics Engineers Inc., 2016)A theoretical study is presented for the feasibility of a microwave heating device that will raise the temperature of heavy oil and bitumen reservoir. The device is enclosed in a radome which is surrounded by a perforated ... -
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 ... -
On reducing multiband spectrum sensing duration for cognitive radio networks
(Institute of Electrical and Electronics Engineers Inc., 2016)In this work, the total spectrum sensing duration required for cognitive radios in multiband environments is studied to minimize the reactive handoff latency. Two spectrum sensing strategies, namely window-based and ... -
Zero tail filter bank spread OFDM
(Institute of Electrical and Electronics Engineers Inc., 2016)Waveforms proposed for future communication systems aim at fulfilling the demanding requirements of the next generation of 5G applications. In this paper, an enhancement over Zero Tail Discrete Fourier Transform Spread ... -
Enhancing physical-layer security in wireless communications using signal space diversity
(Institute of Electrical and Electronics Engineers Inc., 2016)In this paper, we enhance the security of OFDM systems in frequency selective fading channels using signal space diversity. In rich multipath environments, spatially separated channels are independent to each other. Hence, ... -
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 ... -
Relay node selection and power allocation for distributed self-concatenated convolutional codes
(Institute of Electrical and Electronics Engineers Inc., 2017)In this contribution, the performance of a Distributed Self-Concatenated Convolutional Coding (DSECCC) scheme is analyzed by using Iterative Decoding (ID) for cooperative communications (CC) with the aid of relay selection ... -
Optimizing D2D transmission for secure and reliable smart grid communication
(IEEE Computer Society, 2017)Smart grid (SG) has been recognized as a promising solution to manage and distribute electricity in the next generation power systems. The large number of devices in power systems make the wired communication a non feasible ... -
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. ... -
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 ... -
The impact of adaptive guards for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2017)The next generation communication systems are evolving towards an increased flexibility in different aspects. Enhanced flexibility is the key in order to address diverse requirements. This paper presents the significance ... -
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 ... -
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 ... -
Gerçek zamanlı 5G teknoloji geliştirme platformu
(IEEE, 2017)5G teknolojilerinin olgunluk seviyelerinin yükseltilmesi donanım geliştirme faaliyetlerini gerektirir ve altyapının yeterliliği önem arz etmektedir. Bu bildiride, 5G araştırma sonuçlarının ürünleşmesine destek olmak amacıyla ... -
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 ...