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pro vyhledávání: '"Ekti, Ali Riza"'
Direct-to-satellite (DtS) communication has gained importance recently to support globally connected Internet of things (IoT) networks. However, relatively long distances of densely deployed satellite networks around the Earth cause a high path loss.
Externí odkaz:
http://arxiv.org/abs/2104.00735
Next-generation communication technology will be made possible by cooperation between terrestrial networks with non-terrestrial networks (NTN) comprised of high-altitude platform stations and satellites. Further, as humanity embarks on the long road
Externí odkaz:
http://arxiv.org/abs/2012.00968
Autor:
Tekbıyık, Kürşat, Kurt, Güneş Karabulut, Huang, Chongwen, Ekti, Ali Rıza, Yanikomeroglu, Halim
In this paper, graph attention network (GAT) is firstly utilized for the channel estimation. In accordance with the 6G expectations, we consider a high-altitude platform station (HAPS) mounted reconfigurable intelligent surface-assisted two-way commu
Externí odkaz:
http://arxiv.org/abs/2010.12004
The revolution in the low Earth orbit (LEO) satellite networks will bring changes on their communication models and a shift from the classical bent-pipe architectures to more sophisticated networking platforms. Thanks to technological advancements in
Externí odkaz:
http://arxiv.org/abs/2007.04281
User-centric and low latency communications can be enabled not only by small cells but also through ubiquitous connectivity. Recently, the vertical heterogeneous network (V-HetNet) architecture is proposed to backhaul/fronthaul a large number of smal
Externí odkaz:
http://arxiv.org/abs/2005.00509
Spectrum Sensing and Signal Identification with Deep Learning based on Spectral Correlation Function
Autor:
Tekbıyık, Kürşat, Akbunar, Özkan, Ekti, Ali Rıza, Görçin, Ali, Kurt, Güneş Karabulut, Qaraqe, Khalid A.
Spectrum sensing is one of the means of utilizing the scarce source of wireless spectrum efficiently. In this paper, a convolutional neural network (CNN) model employing spectral correlation function which is an effective characterization of cyclosta
Externí odkaz:
http://arxiv.org/abs/2003.08359
The applications of the unmanned aerial vehicles (UAVs) increase rapidly in everyday life, thus detecting the UAVs and/or its pilot is a crucial task. Many UAVs adopt frequency hopping spread spectrum (FHSS) technology to efficiently and securely com
Externí odkaz:
http://arxiv.org/abs/2003.03614
Akademický článek
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Powered by the advances in microelectronics technologies, unmanned aerial vehicles (UAVs) provide a vast variety of services ranging from surveillance to delivery in both military and civilian domains. It is clear that a successful operation in those
Externí odkaz:
http://arxiv.org/abs/1912.10750
With the recent developments on opening the terahertz (THz) spectrum for experimental purposes by the Federal Communications Commission, transceivers operating in the range of 0.1THz-10THz, which are known as THz bands, will enable ultra-high through
Externí odkaz:
http://arxiv.org/abs/1912.10420