Browsing Electrical & Electronics Engineering by Title
Now showing items 9-28 of 695
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Adaptive 6.78-MHz ISM band wireless charging for small form factor receivers
(IEEE, 2017)This paper presents a low cost wireless power transfer system tailored particularly for size limited insulation sealed wearable devices. The 5-V USB input system features a crystal oscillator as reference signal source, a ... -
Adaptive bit loading for multi-relay cooperative orthogonal frequency division multiple with imperfect channel estimation
(IEEE, 2012-08-14)In this study, the authors introduce an adaptive bit loading scheme for an amplify-and-forward orthogonal frequency division multiple cooperative system with relay selection. The proposed bit loading scheme maximises the ... -
Adaptive DCO-OFDM for underwater visible light communications
(IEEE, 2019-04)Visible light communication (VLC) has been introduced as a complementary technology to acoustic communications for underwater applications. Underwater VLC can achieve much higher data rates sufficiently high for real-time ... -
Adaptive density control in heterogeneous wireless sensor networks with and without power management
(IEEE, 2010-04-30)The authors study the design of heterogeneous two-tier wireless sensor networks (WSNs), where one tier of nodes is more robust and computationally intensive than the other tier. The authors find the ratios of densities of ... -
Adaptive free space optical communication system with multiple apertures
(2016)In the current literature on free space optical (FSO) communication, typically open-loop designs are considered where the knowledge of channel state information is only available at the receiver. This is mostly favorable ... -
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 ...
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