Browsing Electrical & Electronics Engineering by Title
Now showing items 471-490 of 695
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Optimization of collection optics for maximum fidelity in entangled photon sources
(TÜBİTAK, 2020)In this report, decoherence sources for entangled photons created by spontaneous parametric down-conversion phenomenon are studied. The phase and spatial distinguishability of photon pairs from orthogonal crystals reduce ... -
Optimizing distributed generation sizing and siting using particle swarm optimization: A comparative study
(IEEE, 2023)In recent years, distributed generation (DG) has become increasingly popular as a means of mitigating the impact of climate change and ensuring a reliable and resilient power supply. To optimize the use of DG, it is essential ... -
Opto-electronic receiver system with post-equalization for visible light communications
(IEEE, 2020-10-05)In this work, A significant increase in the data rate is achieved by designing an opto-electronic receiver for the visible light communication system. LEDs used at the transmitter side in the visible light communication ... -
Out-of-band analysis of GFDM systems based on different self-interference types
(IEEE, 2023)This paper studies the impact of out-of-band (OOB) emission and interferences on the generalized frequency division multiplexing (GFDM) systems. Specifically, we analyze the effects of two types of independent self-interference, ... -
Outage analysis of hybrid FSO/RF systems based on finite-state Markov Chain modeling
(IEEE, 2014)In this paper, we analyze the outage probability of a hybrid free-space optical/radio-frequency (FSO/RF) communication system with soft-switching. In soft-switching approach, either one of the links or both links can be ... -
Outage analysis of Hybrid-ARQ protocols in coherent free-space optical communications
(IEEE, 2011)In this paper, we investigate the performance of automatic retransmission request (ARQ) protocols in coherent free-space optical (FSO) communications. Specifically, we study the outage performance of three different ... -
Outage analysis of q-duplex RF/FSO relaying
(IEEE, 2015)In this paper, we propose and analyze a novel q-duplex radio frequency/free space optical (RF/FSO) relaying protocol for a mixed RF and hybrid RF/FSO communication system. In our scheme, several mobile users transmit their ... -
Outage capacity and throughput analysis of multiuser FSO systems
(IEEE, 2015)In this paper, we investigate the performance of free space optical (FSO) systems with a multiuser scheme employing select-max scheduling technique. Specifically, we consider an FSO communication system which employs a ... -
Outage capacity regions of multicarrier DF relaying in underwater acoustic channels
(IEEE, 2012)In this paper, we investigate the information theoretical limits on the performance of cooperative multicarrier underwater acoustic (UWA) communication systems. We assume decode-and-forward (DF) relaying and consider ... -
Outage performance analysis of mth best path selection protocol in FSO communications
(IEEE, 2014)In this paper, we investigate the performance of free space optical (FSO) systems with parallel multihop relaying and path selection. Specifically, we consider an FSO communication system which employs M parallel relaying ... -
Outage performance analysis of vertical underwater VLC links
(IEEE, 2022)In this paper, we investigate the outage performance of vertical stratified underwater optical links in the presence of moderate/strong turbulence conditions. Specifically, we consider the cascaded Gamma-Gamma turbulence ... -
Outage performance and diversity gain analysis of free-space optical multi-hop parallel relaying
(IEEE, 2013-08)In this paper, we investigate the outage performance of free-space optical mesh networks, which build upon the combination of serial (multi-hop) and parallel relaying. We assume log-normal atmospheric turbulence channels ... -
Outage performance and DMT analysis of DF parallel relaying in FSO IM/DD communications
(IEEE, 2012)In this paper, we investigate the performance of cooperative diversity transmission in free-space optical (FSO) communications. We consider an FSO cooperative diversity system with a single decode-and-forward relay and a ... -
Outage performance of FSO multi-hop parallel relaying
(IEEE, 2012)In this paper, we investigate the outage performance of relay-assisted free-space optical (FSO) networks which build upon the combinations of serial and parallel relaying. We assume log-normal atmospheric turbulence channels ... -
Outage performance of MIMO free-space optical systems in gamma-gamma fading channels
(IEEE, 2013)In this paper, we consider a MIMO Free-Space Optical (FSO) communication system over gamma-gamma turbulence channels and derive a closed-form analytical expression for the outage probability taking into account the effects ... -
Outage performance of mixed RF-FSO systems over DGG and nakagami-m channels
(IEEE, 2020-12)In mixed RF (radio frequency)-FSO (free space optical) systems, the FSO link is used for backhauling while RF is used for wireless access. In many practical deployment scenarios especially in urban environments, more than ... -
Outage performance of multi-hop hybrid FSO/RF communication systems
(IEEE, 2015)In this paper, five scenarios are considered for the realization of a multi-hop hybrid free-space optical/radio frequency (FSO/RF) communication system with decode-and-forward (DF) relaying, and analytical outage probability ... -
Outage probability analysis of a vertical underwater wireless optical link subject to oceanic turbulence and pointing errors
(Optica Publishing Group, 2022-06-01)The reliability of an underwater wireless optical communication (UWOC) network is seriously impacted by beam misalignment between transmitters (Txs) and receivers (Rxs). Also, the performance of UWOC systems can be affected ... -
Output domain downscaler
(ISCIS 2016: Computer and Information Sciences, 2016)This paper offers an area-efficient video downscaler hardware architecture, which we call Output Domain Downscaler (ODD). ODD is demonstrated through an implementation of the bilinear interpolation method combined with ... -
P2P live scalable video streaming with ALTO service
(2012-10)It has been measured that, as high as 80% of the average Internet traffic is now from peer-to-peer (P2P) applications, and upwards of 90% during peak hours. These results tell us that a significant portion of the traffic ...
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