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  • Исследование метода разрешения коллизий в сценариях сосуществования двух операторов NR-U в нескольких нелицензируемых каналах
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September 4, 2026
‘Hedgehog Versus ‘Relatives: Researchers Measure How the Brain Responds to Unexpected Words During Natural Speech
Russian neurophysiologists, including researchers from HSE University, have demonstrated the feasibility of using event-related fields (ERFs) to study brain activity during natural speech perception. The researchers showed that this approach can be applied not only to individual words but also to continuous speech. Their findings indicate that words whose meanings differ significantly from the preceding context require longer processing times. The study also reveals that the brain processes function words in two stages: first, it identifies their grammatical role and then uses this information to predict the next word. The study has been published in Frontiers in Human Neuroscience.
August 25, 2026
Scientists Develop Algorithm for More Reliable Processors in Data Centres
Researchers from HSE MIEM and Samara University have developed the LRF-3D algorithm to automatically bypass idle nodes in three-dimensional networks-on-chip. Thanks to its hierarchical architecture, the algorithm outperforms existing solutions in both speed and path accuracy, improving processor reliability for use in data centres, supercomputers, and AI computing. The source code and test results are publicly available.
August 24, 2026
Researchers Develop Method for Direct Generation of Regulatory DNA
Researchers at HSE University have developed a model for generating promoters and enhancers—DNA sequences that regulate gene activity. The model works directly with DNA nucleotides, without first transforming them into a continuous numerical representation. This solution could be useful for applications in synthetic biology and gene therapy. The study results were presented at the ICLR 2026 Workshop ‘Generative AI in Genomics (Gen^2): Barriers and Frontiers.’

 

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Исследование метода разрешения коллизий в сценариях сосуществования двух операторов NR-U в нескольких нелицензируемых каналах

С. 455–464.
Loginov V., Троегубов А. Ю.
Language: Russian
Keywords: NR-UNR-U
Publication based on the results of:
Development of models and methods for Network 2030 (2022)

In book

ИТиС 2022: Сборник трудов 46-й междисциплинарной школы-конференции ИППИ РАН "Информационные технологии и системы 2022"
Институт проблем передачи информации им. А.А. Харкевича РАН, 2022.
Similar publications
Enhanced Collision Resolution Methods With Mini-slot Support for 5G NR-U
Loginov V., Троегубов А. Ю., Lyakhov A. et al., IEEE Access 2021 P. 146137–146152
To improve the capacity of cellular systems without additional expenses on licensed frequency bands, the 3GPP consortium has designed cellular technologies that use the unlicensed spectrum. The important peculiarity of the usage models of these technologies, the latest of which is New Radio Unlicensed (NR-U), is the coexistence with Wi-Fi networks deployed in the same ...
Added: October 31, 2021
A Study on the Impact of Out-of-Band Emissions on Performance of 5G New Radio-Unlicensed (NR-U) Networks
Zhdanovskiy V., Loginov V., Lyakhov A., Journal of Communications Technology and Electronics 2021 Vol. 66 No. 6 P. 784–795
New Radio-Unlicensed (NR-U) is a technology that allows fifth generation mobile networks to utilize unlicensed frequency bands, in particular, the 5 GHz band. To increase throughput, an NR-U base station (gNB) can simultaneously operate in several frequency channels within the 5 GHz band. However, the gNB cannot always transmit data through one channel and, at ...
Added: October 11, 2021
CR-LBT: Listen-before-Talk with Collision Resolution for 5G NR-U Networks
Loginov V., Khorov E., Lyakhov A. et al., IEEE Transactions on Mobile Computing 2022 Vol. 21 No. 9 P. 3138–3149
To achieve higher throughputs in cellular networks, 3GPP proposes to use unlicensed frequency bands and develops technologies - the latest one is NR-U - allowing a cellular base station to transmit in unlicensed bands, which are already occupied by Wi-Fi networks. To enable fair channel sharing between two technologies, the base station uses a sort ...
Added: March 1, 2021
Analytical Study of License-Assisted Access in 5G Networks
Kutsevol P., Loginov V., Khorov E. et al., , in: 2019 IFIP Networking Conference (IFIP Networking).: IEEE, 2019. P. 1–9.
The volume of traffic transmitted over cellular networks is growing significantly every year. To improve LTE network throughput, 3GPP has proposed License-Assisted Access (LTE-LAA), which allows utilizing the unlicensed 5GHz spectrum already used by Wi-Fi and other technologies. To enable fair resource sharing, LTE-LAA adopts  CSMA/CA-based channel access with binary exponential backoff similar to Wi-Fi. ...
Added: October 30, 2020
A Comparative Study on Multi-Channel Access Methods in 5G NR-U Networks
Zhdanovskiy V., Loginov V., Lyakhov A. et al., , in: 2020 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom).: IEEE, 2020. P. 1–6.
To satisfy the increasing demands for high throughput of 5G networks, 3GPP has designed the NR-U technology allowing a cellular base station (gNB) to utilize unlicensed frequency bands. In particular, with NR-U, a gNB can operate in the 5 GHz frequency bands already used by widely deployed Wi-Fi networks.      Obviously, to achieve the best performance, a gNB ...
Added: October 30, 2020
Mathematical Modeling of Joint Operation of Wireless Local Area Networlss and Fifth Generation Cellular Networks
Kutsevol P., Loginov V., Lyakhov A. et al., Automation and Remote Control 2019 No. 60 P. 2180–2194
To improve the performance of LTE cellular networks operating in the licensed frequency spectrum, a new LTE-LAA technology has been developed that allows LTE devices to transmit data in unlicensed frequency bands already used by Wi-Fi devices. The channel access method in LTE-LAA networks, as well as in Wi-Fi networks, is based on the mechanism ...
Added: October 6, 2020
Coexistence of Wi-Fi and LTE-LAA Networks: Open issues
Loginov V., Lyakhov A., Khorov E., Journal of Communications Technology and Electronics 2018 Vol. 63 No. 12 P. 1530–1537
An increase in the network capacity is a requirement for modern LTE cellular networks. A part of the RF spectrum that is available for transmission is among the most important limiting factors. Such a problem can be solved in the LTE networks using unlicensed bands that are employed in alternative (e.g., Wi-Fi) technologies with the ...
Added: October 6, 2020
Исследование влияния внеполосного излучения на производительность сетей 5G NR-U
Loginov V., Lyakhov A., Ждановский В. Д., Информационные процессы 2020 Т. 20 № 3 С. 269–283
NR-U is a technology that allows fifth generation cellular networks to utilize unlicensed frequency bands, in particular, the 5 GHz band. In order to increase throughput, an NR-U base station (gNB) can operate at the same time in several frequency channels located within this band. However, a gNB can not always simultaneously transmit in one channel ...
Added: October 6, 2020
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