Search Results - "Gelgor, Aleksandr"

Doppler Effect Compensation with Chirp-z Transform for Underwater Acoustic Communications with OFDM Signaling by Chilingarov, Artem, Gelgor, Aleksandr

“…The paper is aimed at ensuring efficiency of the underwater acoustic OFDM modem for mobile units by means of the Doppler effect correction module. The Doppler…”
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QAM Constellations With Fractional Entropy to Gain in Margin Maximization for Frequency Selective Channels by Puzko, Danila, Batov, Yuri, Gelgor, Aleksandr, Dolgikh, Dmitry

“…This letter proposes two approaches to increase the energy gain for the procedure of bit and power allocation in the frequency selective channels. The first…”
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Scenarios for Use of DVB-I System by Tkachenko, Dmitry, Popov, Eugene, Gelgor, Aleksandr, Angueira, Pablo

“…DVB-I technology provides opportunities for aggregation of TV services from different types of delivery systems (Terrestrial, Satellite, Cable, IPTV, OTT and…”
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Flexible Satellite Direct-to-Home Services With Layered-Division Multiplexing by Gelgor, Aleksandr, Montalban, Jon, Tkachenko, Dmitry, Martin, Aitor, Puzko, Danila, Batov, Yuri, Angueira, Pablo

“…Layered Division Multiplexing (LDM) has demonstrated increased data rate capacity for wireless applications where the service bitrates being multiplexed are…”
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Potential of Brain-Computer Interfaces in Dementia by Rostami, Mohammad, Mokari, Nader, Shariaty, Faridoddin, Gelgor, Aleksandr

“…This comprehensive review delves into the fundamental principles, technological advancements, and recent applications of Brain-Computer Interfaces (BCIs) in…”
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FBMC/OQAM with OTFS Pre-Processing for High-Mobility Channels by Khuc, Bang, Gelgor, Aleksandr, Duc, Thinh Le, T. H, Phuoc Nguyen

“…In this paper, we proposed a new promising modulation technique called Filter-Bank Multi-Carrier with Offset Quadrature Amplitude Modulation and OTFS…”
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Public Dataset for Simultaneous Human Activity Recognition and Localization using WiFi Signals by Thanh, Phat-Vo Le, Ph, Quyen Ng, Nguyen, Duy, Khuc, Bang, Gelgor, Aleksandr, T.H., Phuoc Nguyen

“…WiFi-based human sensing technology has unique properties such as widespread availability, resistance to light interference, overcoming terrain limitations,…”
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Estimation of AM/PM Characteristics Impact on Performance of DVB-S2/S2X System with Digital Predistortion by Puzko, Danila, Batov, Yuri, Tkachenko, Dmitry, Gelgor, Aleksandr, Angueira, Pablo, Montalban, Jon

“…Digital Satellite Broadcasting Systems DVB-S2 and DVB-S2X are good candidates for delivery of HDTV and UHDTV services to consumers. New types of APSK signal…”
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Possible Use of Simple TOFDM and SEFDM Signals in 5G NR by Petrov, Igor, Lavrukhin, Timur, Khuc, Bang, Gelgor, Aleksandr, Nguyen, Phuoc T. H.

“…The work discusses the possibility of using promising N-OFDM (TOFDM and SEFDM) signals with non-orthogonal subcarriers instead of OFDM in 5G NR scenarios. We…”
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Improvement in Data Transmission Efficiency in Mobile 5G New Radio System using Filter Bank Multicarrier Signals by H., Phuoc Nguyen T., Khuc, Bang, Petrov, Igor, Lavrukhin, Timur, Gelgor, Aleksandr

“…This paper explores the potential advantages of using FBMC signals instead of OFDM signals in 5G NR. Several approaches to the generation and reception of FBMC…”
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Evaluation of Possible Frequency Band Plans for Joint Use of 5G Broadcast and Digital TV Systems by Tkachenko, Dmitry, Di, Zhao, Popov, Eugene, Vargauzin, Victor, Polozhintsev, Boris, Nikitin, Alexander, Gelgor, Tatiana, Gelgor, Aleksandr, Angueira, Pablo

“…5G Broadcast is a new concept for broadcast or multicast delivery of media services to users. This type of systems is currently under consideration for UHF…”
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Scenarios for Co-Existence of Digital TV and 5G Broadcast Services in UHF Band by Tkachenko, Dmitry, Di, Zhao, Popov, Eugene, Vargauzin, Victor, Greshnevikov, Konstantin, Nikitin, Alexander, Gelgor, Tatiana, Gelgor, Aleksandr, Angueira, Pablo

“…Transition to Digital Television (DTV) provides opportunities to release upper part of DTV UHF band for new types of wireless services. 5G Broadcast and…”
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High Power Amplifier Nonlinearity Models and Digital Predistortion Techniques in DVB-S2X by Batov, Yuri, Puzko, Danila, Gelgor, Aleksandr, Tkachenko, Dmitry, Montalban, Jon, Angueira, Pablo

“…Energy efficiency is a must in satellite communications and highly nonlinear High Power Amplifiers (HPAs) are used. Nonlinearities must be mitigated, specially…”
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Impact of HPA Non-Linearities and Predistortion Techniques in LDM Satellite Systems by Montalban, Jon, Martin, Aitor, Angueira, Pablo, Batov, Yuri, Puzko, Danila, Gelgor, Aleksandr, Tkachenko, Dmitry

“…This paper analyzes the impact of the non-linearities of satellite high power amplifiers (HPAs) on the gain achievable by power domain non-orthogonal…”
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Channel Estimation and Equalization for OTFS Systems Over High-Mobility Channels by Khuc, Bang, Gelgor, Aleksandr, Tkachenko, Dmitry, Vargauzin, Victor, Greshnevikov, Konstantin, Popov, Eugene, Gelgor, Tatiana, H, Phuoc Nguyen T., Van Dung, Hoang

“…In this paper, we propose an algorithm for channel estimation and equalization for the OTFS system using pilot symbols inserted in the delay-Doppler domain. We…”
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A performance of coded modulation based on optimal Faster-than-Nyquist signals by Gelgor, Aleksandr, Gorlov, Anton

“…This paper proposes novel coded modulation schemes based on LDPC codes and optimal partial response (or Faster-than-Nyquist) signals. In these schemes coded…”
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Synthesis of Signals with a Low-Level of Out-of-Band Emission and Peak-to-Average Power Ratio by Sadovaya, Yekaterina, Gelgor, Aleksandr

“…In this paper new pulse shapes of multicomponent signals are presented to improve spectral efficiency. We propose a solution to an optimization problem for…”
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Performance analysis of SEFDM with optimal subcarriers spectrum shapes by Gelgor, Aleksandr, Gorlov, Anton, Nguyen, Van Phe

“…In this paper we propose the technique for SEFDM modification assuming that the conventional SEFDM is a particular type of partial response signals obtained…”
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Outperforming Conventional OFDM and SEFDM Signals by Means of Using Optimal Spectral Pulses and the M-BCJR Algorithm by Gelgor, Aleksandr, Nguyen, Van Phe

“…In the paper, we compared spectral efficiency between OFDM signals, reputed SEFDM signals, and recently proposed RRC-SEFDM and PR-SEFDM signals. The last three…”
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Polar Codes Sequential Decoder Hardware Architecture by Krylov, Aleksei, Rashich, Andrey, Gelgor, Aleksandr, Fadeev, Dmitrii

“…Polar codes show potential benefits in modern telecommunication systems, they are already adopted for 5G. The efficiency of polar codes are provided by list…”
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