Search Results - "Panajotović, Aleksandra"

An approach for user grouping and power allocation for downlink NOMA in a cellular wireless system by Sekulović, Nikola, Banđur, Miloš, Panajotović, Aleksandra

“…This research focuses on how to improve benefit of downlink non-orthogonal multiple access (NOMA) concept in a cellular wireless system. The issues related…”
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Physical Layer Security of Ground-to-UAV Communication in the Presence of an Aerial Eavesdropper Outside the Guard Zone by Anastasov, Jelena, Cvetković, Aleksandra, Panajotović, Aleksandra, Milović, Daniela, Milić, Dejan, Milošević, Nenad

“…In this work, we determine the physical layer security (PLS) metrics for ground-to-unmanned aerial vehicle (UAV) link in the presence of a suspicious UAV,…”
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Adaptive Uniform Channel Decomposition in MU-MIMO-OFDM: Application to IEEE 802.11ac by Panajotovic, Aleksandra, Riera-Palou, Felip, Femenias, Guillem

“…This work considers the design of multiuser MIMO (MU-MIMO) schemes suitable for orthogonal frequency division multiplex (OFDM) systems such as those being…”
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Capacity performance of uplink NOMA system with 2K+1 users over Fisher-Snedecor composite fading channels by Panajotovic, Aleksandra, Anastasov, Jelena, Sekulovic, Nikola, Milovic, Daniela, Milic, Dejan

“…In this paper, we study an uplink power-domain non-orthogonal multiple access (PD-NOMA) system, in which 2K+1 users are served. The user clustering process…”
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System performance analysis of cooperative multihop relaying network applying approximation to dual‐hop relaying network by Panajotović, Aleksandra, Sekulović, Nikola, Cvetković, Aleksandra, Milović, Daniela

“…Summary In this paper, the closed‐form expressions for outage probability, channel capacity, and average symbol error probability are derived for…”
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Investigation into diversity order at micro and/or macro level in gamma shadowed Nakagami‐m fading channels by Sekulović, Nikola, Panajotović, Aleksandra, Drača, Dragan, Stefanović, Mihajlo, Bandjur, Miloš

“…Radio wave propagation through wireless channels is characterized by 4 main physical phenomena: reflection, diffraction, scattering, and absorption…”
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Average Level Crossing Rate of Dual Selection Diversity over Correlated Unbalanced Nakagami-m Fading Channels in the Presence of Cochannel Interference by Panajotovic, Aleksandra S., Sekulovic, Nikola M., Stefanovic, Mihajlo C., Draca, Dragan Lj

“…A dual selection combining (SC) receiver which applies desired signal power algorithm and operates over correlated, but not necessary identically distributed…”
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Performance of cooperative multi-hop multiuser relaying networks by Panajotovic, Aleksandra, Sekulovic, Nikola, Cvetkovic, Aleksandra, Milovic, Daniela

“…This paper presents both capacity and error performances of cooperative multi-hop multiuser relay system. All multi-hop cooperative relays in the system apply…”
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Cochannel interference effect on BEP performance of SSC receiver in correlated Rician fading by PANAJOTOVIC, Aleksandra S, STEFANOVIC, Mihajlo C, DRACA, Dragan Lj

“…We study the performance of dual branch switch and stay combining (SSC) diversity receivers operating over correlated Rician fading channels, in the presence…”
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Average level crossing rate of microcellular mobile radio system with selection combining in the presence of arbitrary number of cochannel interferences by Panajotović, Aleksandra, Stefanović, Mihajlo, Drača, Dragan, Sekulović, Nikola

“…ABSTRACT This paper provides an exact and rapidly converging infinite‐series expression for the average level crossing rate of dual selection combining…”
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Performance analysis of system with selection combining over correlated Rician fading channels in the presence of cochannel interference by Panajotović, Aleksandra S., Stefanović, Mihajlo Č., Drača, Dragan Lj

“…Dual-diversity receiver employing selection combining (SC) is often used in wireless communication systems due to its simplicity. Ability of the Rician model…”
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Performance Analysis of Dual-Branch Selection Combining Over Correlated Rician Fading Channels for Desired Signal and Cochannel Interference by Mosić, Aleksandar V., Stefanović, Mihajlo Č., Panić, Stefan R., Panajotović, Aleksandra S.

“…System performances of dual selection combining over fading channels are analyzed. Fading between the diversity branches and between interferences is…”
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A Comparative Performance Analysis of Extreme Learning Machine and Echo State Network for Wireless Channel Prediction by Stojanovic, Milos B., Sekulovic, Nikola M., Panajotovic, Aleksandra S.

“…In this work, a comparative performance analysis of an extreme learning machine (ELM) and an echo state network (ESN) for forecasting of wireless channel…”
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Capacity of OFDM-based WLAN system with SC diversity by Panajotovic, Aleksandra, Draca, Dragan

“…This paper considers how selection techniques applied in an orthogonal frequency division multiplexing (OFDM)-based wireless local area network (WLAN) system…”
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Optimal Pair-wise SUS Algorithm in Adaptive UCD-based MU-MIMO-OFDM by Panajotovic, Aleksandra, Sekulovic, Nikola, Milovic, Daniela

“…In this paper, users are selected using an optimal pair-wise semi-orthogonal users selection (SUS) scheduling algorithm, while uniform channel decomposition…”
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Performance Analysis of Microcellular Mobile Radio Systems with Selection Combining in the Presence of Arbitrary Number of Cochannel Interferences by SEKULOVIC, N. M., STEFANOVIC, M. C., DRACA, D. L., PANAJOTOVIC, A. S., STEFANOVIC, D. M.

“…In this paper, the performance of dual selection combining (SC) receiver in communications systems with a Rician desired signal affected by multiple Nakagami-m…”
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Average Level Crossing Rate of Dual Selection Diversity in Correlated Rician Fading with Rayleigh Cochannel Interference by PANAJOTOVIC, Aleksandra S, STEFANOVIC, Mihajlo C, DRACA, Dragan Lj, SEKULOVIC, Nikola M

“…We present an infinite-series representation for the average level crossing rate (LCR) of dual selection combining (SC) receivers, operating over correlated…”
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Performance analysis of system with L-branch selection combining over correlated Weibull fading channels in the presence of cochannel interference by Draca, Mihajlo C Stefanovicagan Lj, Panajotovic, Aleksandra S, Sekulovic, Nikola M

“…In this paper, the performance of L‐branch selection combining receiver over correlated Weibull fading channels in the presence of correlated…”
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Keeping the Local Traffic Local - The NaissIX Internet Exchange Point Success Story by Vuckovic, Dusan M., Panajotovic, Aleksandra S., Ciric, Vladimir M., Zivkovic, Marko Z.

“…With the increased demand for additional bandwidth, when it comes to the Metropolitan Area Networks, there is also a growing need to keep the local traffic…”
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Physical Layer Security for UAV-Assisted IoT Data Collection in the Presence of an Aerial Eavesdropper by Anastasov, Jelena A., Cvetkovic, Aleksandra M., Panajotovic, Aleksandra S., Blagojevic, Vesna M., Milovic, Daniela M., Milic, Dejan N.

“…In this paper, we study physical layer security of an unmanned aerial vehicle (UAV)-assisted communication system, where a UAV collects data from a sensor node…”
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