Browsing Electrical & Electronics Engineering by Title
Now showing items 336-355 of 695
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Iterative near maximum-likelihood sequence detection for MIMO optical wireless systems
(IEEE, 2010-04)A major performance-limiting factor in terrestrial optical wireless (OW) systems is turbulence-induced fading. Exploiting the additional degrees of freedom in the spatial dimension, multiple laser transmitters combined ... -
Iterative signal detection under timing errors for optical wireless links with high mobility
(IEEE, 2021-11-01)In this paper, the problem of timing error for freespace optical links with high mobility is investigated. In particular, we consider a real scenario in which the sampling clock offset is randomly changing and, in addition, ... -
İşbirlikli haberleşmede birleştirilmiş zaman kayması ve sönümlemeli kanal katsayısı kestirimi
(IEEE, 2013)In this paper, we investigate joint channel gain and time offset estimation for two different data aided methods in cooperative communication with amplify-and-forward (AF) relaying. First one is the Cascaded Estimation ... -
Joint bit and power loading for adaptive MIMO OFDM VLC systems
(Wiley, 2020-07)Visible light communication (VLC) is a short-range wireless access technology based on the dual use of illumination structure. The frequency-selective characteristics of VLC channels motivate the use of orthogonal frequency ... -
Joint frequency allocation and power control for minimum downlink interference in femtocellular networks
(2013-01)Due to the fact that the most of data services and more than half of calls are requested indoors, it has been dramatically important and even a must for cellular operators to provide more than adequate indoor coverage. ... -
Joint lifetime-outage optimization in relay-enabled IoT networks—A deep reinforcement learning approach
(IEEE, 2023-01)Network lifetime maximization in Internet of things (IoT) is of paramount importance to ensure uninterrupted data transmission and reduce the frequency of battery replacement. This letter deals with the joint lifetime-outage ... -
Joint or decoupled optimization: Multi-UAV path planning for search and rescue
(Elsevier, 2023-01-01)In this paper, we focus on path planning of drone teams deployed for search and rescue missions. The goal of the mission is to detect a target, inform the rescue personnel at the ground base station (BS), and form a ... -
Kamera ve ataletsel ölçüm birimi iç kalibrasyonu
(IEEE, 2013)In this paper, we address the problem of internal calibration of a camera and an inertial measurement unit (IMU). The internal calibration of a camera and an IMU requires the determination of the relative orientation and ... -
Kaskat nakagami kanallara sahip röleli sistemler için dağıtılmış uzay-zaman kafes kod tasarımı
(IEEE, 2010)Bu çalışmada, tek roleli, işbirlikli ve kodlamalı bir sistemin kanallarının kaskat Nakagami dağılımlı olması durumundaki hata performans analizi yapılmıştır. Sistemin genel çiftsel hata olasılığı üst sınırı kullanılarak ... -
Kuvvetlendir-ve-aktar tipi işbirlikli haberleşme sistemlerinde zaman senkronizasyonu
(IEEE, 2010)The synchronization problem in wireless communication systems becomes more important especially in cooperative communication systems than it is for other diversity systems because all terminals in the cooperation use their ... -
Layered structure printed dipole antenna with integrated balun for phased array radars
(IEEE, 2018-04-24)A Layered structure printed dipole antenna using through via-hole mechanism has been proposed for phased array radars. For the dipole a low dielectric constant Rogers 5880 substrate has been used to stabilize the structure ... -
Leveraging connectivity for coverage in drone networks for target detection
(Balkan Yayın, 2019)Target or event detection is one of the main applications of drone networks. Several cooperative search algorithms have been proposed for teams of unmanned aerial vehicles (UAVs), where the goal is to minimize search time ... -
Lgp (light guide plate) pattern design by using light tools for back light units of tft lcd tvs
(2014-01)Işık kılavuzu plakalar ve desenleri arka ışık üniteleri ve dolayısıyla likit kristal panellerin parlaklıkları ve eş dağılımları üzerinde oldukça etken bir rol oynamaktadır. Parlaklık ve eş dağılım daha az veya daha ucuz ... -
LiFi channel models: office, home, manufacturing cell
(IEEE, 2015-09)Purpose Providing channel models which allow a fair comparison of different physical layer (PHY) High Rate PD Communications proposals submitted to TG7r1 in response to the Call for Proposals (CFP). ... Notice This document ... -
LiFi reference channel models: office, home, hospital
(IEEE, 2015-07)Purpose To introduce reference channel models for the evaluation of different PHY proposals. Notice This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding ... -
Limited feedback channel estimation for multi-user massive mimo visible light communications
(IEEE, 2020)Building on the existing illumination infrastructure, visible light communication (VLC) utilizes light emitting diode (LED) luminaries as wireless access points. The presence of large number of ceiling lights in conference ... -
Link adaptation for MIMO OFDM visible light communication systems
(IEEE, 2017-11-10)In this paper, we investigate link adaptation for an orthogonal frequency division multiplexing (OFDM)-based multiple-input multiple-output (MIMO) visible light communication (VLC) system. The proposed adaptive OFDM VLC ... -
Link allocation for multiuser systems with hybrid RF/FSO backhaul: Delay-limited and delay-tolerant designs
(IEEE, 2016-05)In this paper, we consider a cascaded radio frequency (RF) and hybrid RF/free space optical (FSO) system where several mobile users transmit their data over an RF link to a decode-and-forward relay node (e.g., a small cell ... -
Live multicast video streaming from drones: an experimental study
(Springer Nature, 2020-01-01)We present and evaluate a multicast framework for point-to-multipoint and multipoint-to-point-to-multipoint video streaming that is applicable if both source and receiver nodes are mobile. Receiver nodes can join a multicast ... -
Load profile segmentation for electricity market settlement
(IEEE, 2020-09)An unsupervised learning method is used to create clusters for electricity load profiles within a group of real customers. A time-series analysis method (hierarchical clustering) is adopted. A case study is conducted with ...
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