Erişim şekli için "info:eu-repo/semantics/embargoedAccess" Bildiri Koleksiyonu listeleme
Toplam kayıt 126, listelenen: 41-60
-
Estimating multi-dimensional sparsity level for spectrum sensing
(Institute of Electrical and Electronics Engineers Inc., 2023)Identifying spectrum opportunities is a crucial element of efficient spectrum utilization for future wireless networks. Spectrum sensing offers a convenient means for revealing such opportunities. Studies showed that usage ... -
Estimation and exploitation of multidimensional sparsity for MIMO-OFDM channel estimation
(Institute of Electrical and Electronics Engineers Inc., 2022)Obtaining accurate channel state estimates at reasonable training overheads remains a big challenge for the applicability of multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM). Recently, ... -
A European view on the next generation optical wireless communication standard
(Institute of Electrical and Electronics Engineers, 2015)Optical wireless technology uses light for mobile communications. The idea is to simultaneously combine the illumination provided by modern high-power light-emitting diodes (LEDs) with high-speed wireless communications. ... -
The evaluation of FFR for interference management in coordinated hybrid terrestrial-aerial network
(Institute of Electrical and Electronics Engineers Inc., 2019)Recent works have tried to incorporate unmanned aerial vehicle (UAV) base stations in conventional networks, however, the inter-cell interference mitigation techniques for such networks have not been studied comprehensively. ... -
Experimental validation of a novel RLL code for visible light communication
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2020)Flicker arising in visible light communication (VLC) system is typically mitigated by run-length-limited (RLL) codes. The IEEE 802.15.7 standard proposes RLL codes according to the modulation type and data rate. In this ... -
Exploiting OTFS frame structure for PAPR reduction
(Institute of Electrical and Electronics Engineers Inc., 2022)Wireless technologies have always been the cornerstone of industrial progress. However, as industrial technologies have improved and advanced services have emerged, the demands of industry have meant that wireless technologies ... -
Fabrication of capacitive micromachined ultrasonic transducers with through-glass-via interconnects
(Institute of Electrical and Electronics Engineers, 2015)This paper introduces a novel fabrication method for capacitive micromachined ultrasonic transducer (CMUT) arrays amenable to 3D integration. The work demonstrates that MEMS structures can be directly built on a through-glass-via ... -
A flexible hybrid waveform
(Institute of Electrical and Electronics Engineers Inc., 2017)Cellular systems of fifth generation (5G) require a waveform with flexible guard interval length along with a low power consumption. Different cyclic prefix (CP) durations in long term evolution (LTE) result in loss of ... -
Floating OFDM-SNM for PAPR and OOBE reduction
(Institute of Electrical and Electronics Engineers Inc., 2021)The novel orthogonal frequency division multiplexing with subcarrier number modulation (OFDM-SNM) transmission scheme offers high spectral and energy efficiency compared to the conventional OFDM; this is due to the extra ... -
Game theoretical partially overlapping filtered multi-tones in cognitive heterogeneous networks
(Institute of Electrical and Electronics Engineers Inc., 2014)Partially overlapping tones have recently been paid attention to by the researchers in cognitive heterogeneous networks (HetNets). In this paper, we introduce partial overlapping in the filtered multi-tones instead of full ... -
Geniş alan görüntülerinde anomali tespiti
(Institute of Electrical and Electronics Engineers Inc., 2021)Bu çalışma hava araçlarından çekilmiş geniş alan görüntülerindeki anomalileri tespit etmek ile ilgilidir. Anomali kümesi normal seyrin dışındaki her şey olarak belirlenmiştir. Bu amaçla iki farklı veri seti kullanılmış ve ... -
Görünür ışık haberleşmesi için son denkleştirme gerçekleştiren opto-elektronik alıcı sistemi
(Institute of Electrical and Electronics Engineers Inc., 2020)Bu bildiride, görünür ışık haberleşme sistemi için opto-elektronik alıcı devre tasarımı yapılarak veri hızında önemli bir artış gerçekleştirilmiştir. Görünür haberleşme sisteminde verici taratfa kullanılan LED’ler sınırlı ... -
Görünür ışık haberleşmesinde mesafe ve güce bağlı kanal modeli deneysel doğrulaması
(IEEE-Inst Electrical Electronics Engineering Inc, 2019)Bu bildiride, görünür ışık haberleşme sisteminde direkt görüş hattı için kanal modellemesi problemi ele alınmıştır. Sunulan kanal modelinde LED ve fotodiyot arasında filtre veya mercek gibi herhangi bir optik ... -
Haberleşme sistemlerinde enerji optimizasyonu ile etkin kanal katsayı adedinin en aza indirgenmesi
(IEEE-Inst Electrical Electronics Engineering Inc, 2019)Kanal gecikmeleri ve hareketlilik, iletilen sinyalin hem zaman hem de frekans bölgelerinde yayılmasına neden olarak sırasıyla semboller arası ve taşıyıcılar arası girişime neden olmaktadır. Verici ve alıcı yapılarında ... -
Heuristic inspired precoding for millimeter-wave MIMO systems with lens antenna subarrays
(Institute of Electrical and Electronics Engineers Inc., 2022)A traditional array (TA) multiple-input multiple-output (MIMO) architecture in mmWave with hybrid beamforming suffers from high power consumption and hardware overhead. Therefore, a lens antenna subarray (LAS)-MIMO ... -
Hybrid precoding for mm Wave massive MIMO systems with generalized triangular decomposition
(Institute of Electrical and Electronics Engineers Inc., 2018)Hybrid precoding schemes have recently gained a great attention for millimeter wave (mmWave) massive multiple-input-multiple-output (massive MIMO) communication systems because of offered cost and low-power consumption ... -
Hybrid stereo imaging including a light field and a regular camera
(Institute of Electrical and Electronics Engineers Inc., 2016)Light field imaging involves capturing both angular and spatial distribution of light; it enables new capabilities, such as post-capture digital refocusing, perspective shift, and depth estimation. Micro-lens array (MLA) ... -
Hybrid terrestrial-aerial network for ultra-reliable low-latency communication
(Institute of Electrical and Electronics Engineers Inc., 2019)Ultra-reliable low latency communication (URLLC) is undoubtedly the toughest service class in 5G-NR from the network service provider's perspective. Different methodologies have been utilized to meet the reliability and ... -
Improved YOLOv4 for aerial object detection
(Institute of Electrical and Electronics Engineers Inc., 2021)Drones equipped with cameras are being used for surveillance purposes. These surveillance systems need vision-based object detection of ground objects which look very small because of the altitude of drones. We propose an ... -
Improving connectivity via multi-user scheduling in 5G and beyond networks
(IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)In this paper, a novel, yet efficient, multi-user scheduling scheme based on mode selection and power allocation is presented for 5G and beyond networks. The proposed scheme schedules the users in co-existence (CE) and non ...