Browsing Electrical & Electronics Engineering by Title
Now showing items 14-33 of 695
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Adaptive MIMO FSO communication systems with spatial mode switching
(IEEE, 2018-08)In this paper, we propose an adaptive multiple-input multiple-output (MIMO) free-space optical (FSO) system with dynamic adaptation between spatial modes of operation. The proposed adaptive system supports three MIMO modes. ... -
Adaptive modulation for FSO IM/DD systems with multiple transmitters and receivers
(IEEE, 2023-02)Atmospheric turbulence is a major impairment in free space optical (FSO) communication systems. Since turbulence induced fading exhibits quasi-static characteristics, reliable feedback of channel state information is ... -
An adaptive modulation scheme for coded free-space optical systems
(IEEE, 2014)For very slowly-varying fading channels as in the case of atmospheric turbulence-induced fading, it is possible to reliably estimate the channel state information and send it back to the transmitter. The transmitter can ... -
Adaptive OFDM-based acoustic underwater transmission: system design and experimental verification
(IEEE, 2017)In this paper, we present the design and implementation of a software defined orthogonal frequency division multiplexing (OFDM)-based underwater acoustic (UWA) communication system with link adaptation. Our system ... -
Adaptive power loading for multi-relay OFDM regenerative networks with relay selection
(IEEE, 2012-03)In this paper, we propose an adaptive power loading algorithm for an OFDM (orthogonal frequency division multiplexing)-based multi-relay regenerative network with relay selection. The proposed scheme is based on selecting ... -
Adaptive relay selection method for asynchronous amplify and forward cooperative communications
(IEEE, 2016)In this paper, we propose a new adaptive relay selection method named as Adaptive Best Relay Assessment (ABRA) for cooperative communication with amplify and forward (AF) relaying. ABRA is based on two relay selection ... -
Adaptive unipolar MIMO-OFDM for visible light communications
(IEEE, 2019)Unipolar orthogonal frequency division multiplexing (U-OFDM) appears as an attractive optical OFDM solution for emerging visible light communication (VLC) systems. This paper proposes spectral efficiency improvement for ... -
Advanced optical wireless communication systems
(Cambridge University Press, 2012)Optical wireless communications is a dynamic area of research and development. Combining fundamental theory with a broad overview, this book is an ideal reference for anyone working in the field, as well as a valuable guide ... -
Advances in broadband single-carrier transmission techniques: Theory and applications (ABSCTT 2012)
(IEEE, 2012)The fourth-generation (4G) wireless technology is expected to provide a wide variety of new services including high quality multimedia, internet access and other high-data-rate wireless services. Moreover, 4G technology ... -
Advantages of application-based scheduling for indoor femtocells
(ACM, 2011)This paper presents the necessity of application-based scheduling to maintain QoS requirements of all active applications in an indoor femtocell. A novel scheduler is proposed which takes into account the quality of service ... -
Aerosol attenuation model for high altitude UAV-based FSO links
(IEEE, 2022)Free space optical (FSO) communication is well positioned to address connectivity needs in ground-UAV, inter-UAV and UAV-ground links. An accurate performance analysis of airborne FSO links requires the use of proper path ... -
Algorithmic approaches for DER sizing and spatial placement in radial networks
(IEEE, 2023)Deployment of distributed energy resources (DERs) into the unidirectional distribution grid while respecting operational limits such as reliable voltage range, low system losses, etc. poses challenges that require a viable ... -
All-optical amplify-and-forward relaying system for atmospheric channels
(IEEE, 2012-10)In this letter, we investigate the performance of a dual-hop free space optical link with an all-optical amplify-and-forward relay. We employ photon counting methodology and derive closed form expressions for the end-to-end ... -
Analog clock tree synthesis
(2014-01)Anahtarlamalı analog devrelerin (AAD) saat ağı tasarımı ciddi zaman gerektiren ve yongaların tekrar elden geçirilmesine sebep olabilecek hatalara açık, elle yapılan bir işlemdir. Bu probleme otomatik ya da yarı-otomatik ... -
Analysis and optimization of the network throughput in IEEE 802.15.13 based visible light communication networks
(IEEE, 2021)In line with the growing interest on visible light communication (VLC), IEEE has initiated standardization efforts on this emerging technology. In this work, we consider IEEE 802.15.13 Optical Wireless Personal Area Networks ... -
Analysis of ALTO protocol over P2P networks
(2012-10)Currently, for distributed applications such as Peer-to-Peer (P2P) and Content Delivery Networks (CDNs), the most important challenge is to determine the optimal peer or node selection process, since it sometimes causes ... -
Analysis of asynchronous cognitive radio system with imperfect sensing and bursty primary user traffic
(Springer Science+Business Media, 2016-03)This paper presents a theoretical analysis of the spectrum utilization levels in a cognitive radio system. We assume that the traffic of the primary network is bursty and asynchronous with the secondary network, which ... -
Analysis of communication distance and energy harvesting for vehicular VLC using commercial taillights
(IEEE, 2023)This paper presents an investigation into the communication range and energy harvesting capabilities of a vehicle-to-vehicle (V2V) visible light communication (VLC) system that utilizes commercial taillights (TLs) as ... -
Analysis of field correlations in atmospheric optical MIMO systems
(IEEE, 2014)In this paper, we evaluate the absolute field correlations for a free space optical (FSO) multiple-input multiple-output (MIMO) link operating in a turbulent atmosphere. Such knowledge is needed in heterodyne reception to ... -
Analysis of vibratory gyroscopes: drive and sense mode resonance shift by coriolis force
(IEEE, 2017)In this paper, we demonstrate the analysis of coupling between drive and sense systems of vibratory gyroscopes. Vibratory gyroscopes have attracted a lot of interest recently with the development of MEMS gyroscopes. These ...
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