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A new approach for sparse Bayesian channel estimation in SCMA uplink systems
P. 1-5.
The rapid growth of traffic and number of simultaneously available devices leads to the new challenges in constructing fifth generation wireless networks (5G). To handle with them various schemes of non-orthogonal multiple access (NOMA) were proposed. One of these schemes is Sparse Code Multiple Access (SCMA), which is shown to achieve better link level performance. In order to support SCMA signal decoding channel estimation is needed and sparse Bayesian learning framework may be used to reduce the requirement of pilot overhead. In this paper we propose a modification of sparse Bayesian learning based channel estimation algorithm that is shown to achieve better accuracy of user detection and faster convergence in numerical simulations.
In book
NY : Institute of Electrical and Electronic Engineers, 2016
Kirill Glinskiy, Kureev A., Khorov E., IEEE Access 2024 Vol. 12 P. 329-338
A key feature of 5G systems is the Ultra-Reliable Low-Latency Communication (URLLC), which can be used for remote surgery, smart grids, industrial control, etc. URLLC requires millisecond-level delays and very high reliability, i.e., less than 10−5 packet loss probability. The ability to satisfy these very strict quality of service requirements depends on selecting the Modulation and Coding ...
Added: January 17, 2024
Bankov D., Khorov E., Krasilov A. et al., IEEE Wireless Communications Letters 2023 Vol. 12 No. 8 P. 1449-1453
5G Vehicle-to-Everything (V2X) is a promising technology to satisfy the increasing demands of intelligent transportation systems. Emerging V2X applications with a high level of automation impose very strict requirements on latency (less than 10 ms) and reliability (higher than 99.99%). For sporadic traffic, such demands can be satisfied with a distributed channel access method called ...
Added: May 30, 2023
Komarov M. M., Glukhoded E., , in : ICICM '18 Proceedings of the 8th International Conference on Information Communication and Management. : NY : ACM, 2018. P. 32-38.
Wireless Networks are being developed rapidly during the last two decades. Since that time, science and technologies have been modernized from slow GPRS networks to the networks of fourth generation, which are allowed to transfer the data wirelessly at the high speed and relatively low latency. However, the technological progress has not being stopped after ...
Added: October 18, 2018
Shashin A., Krasilov A., Khorov E., Информационные процессы 2023 Т. 23 № 2 С. 220-230
5G cellular systems provide a new service called Ultra-Reliable Low-Latency Communications (URLLC). In many URLLC scenarios, e.g., in intelligent transport systems, users move at high speed and transmit data in the uplink. The base station shall assign transmission parameters that satisfy the strict quality of service requirements of URLLC applications and consume the least amount ...
Added: July 24, 2023
Khorov E., Kiryanov A., Zhirnov N., , in : Proc. of International Conference on Engineering and Telecommunication (EnT). : IEEE, 2017. P. 33-37.
In this work, we propose an approach to deploy and manage resources in a surveillance system, based on cellular technologies. In such a system, on one hand, the data from CCTV cameras should be reliably delivered with as higher quality as possible within several seconds after they were generated to enable near real-time surveillance. On ...
Added: January 24, 2018
Belogaev A., Khorov E., Krasilov A. et al., , in : 2019 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). : IEEE, 2019. P. 1-5.
Ultra reliable low latency communications (URLLC) is one of the most promising and demanding services in 5G systems. This service requires very low latency of less than 1 - 10 ms and very high transmission reliability: the acceptable packet loss ratio is about 10 -5 . To satisfy such strict requirements, many issues shall be solved. This ...
Added: October 18, 2019
Ostrikova D., Beschastnyi V., Moltchanov D. et al., IEEE Transactions on Mobile Computing 2023 P. 1-12
The 5G millimeter wave (mmWave) New Radio (NR) systems are prone to blockage and micromobility effects. To improve service reliability, 3GPP proposed a dual-connectivity allowing UE to maintain links to two base stations (BS). However, this functionality is power-hungry resulting in a trade-off between performance and power efficiency. In this paper, we compare user equipment ...
Added: January 10, 2024
Ometov A., Жиданов К. А., Беззатеев С. В. et al., Научно-технические ведомости Санкт-Петербургского государственного политехнического университета. Информатика. Телекоммуникации. Управление 2019 Т. 12 № 3 С. 58-66
Повсеместные исследования в области беспроводной связи предлагают огромный спектр технологических инструментов для потенциального натурного моделирования и интеграции. Одно из перспективных направлений в данной области – применение прямых соединений между мобильными узлами в географической близости (D2D). В статье проанализированы коммуникационные сценарии, возникающие в сетях связи пятого поколения с использованием прямых D2D соединений между пользовательскими мобильными узлами. Предложен ...
Added: October 31, 2019
Буртаков И. А., Горбунова А. О., Kureev A. et al., Информационные процессы 2023 Т. 23 № 4 С. 612-623
Reconfigurable Intelligent Surface (RIS) is a promising technology that can increase the capacity and coverage of wireless networks. The effectiveness of RIS is determined by its configuration, which can be made based on the information about location of the transceiver devices. In practice, there are two main types of RIS configurations: focusing the signal reflected ...
Added: January 17, 2024
Belogaev A., Khorov E., Krasilov A. et al., , in : 2019 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). : IEEE, 2019. P. 1-5.
Ultra reliable low latency communications (URLLC) is one of the most promising and demanding services in 5G systems. This service requires very low latency of less than 1 - 10 ms and very high transmission reliability: the acceptable packet loss ratio is about 10 -5 . To satisfy such strict requirements, many issues shall be ...
Added: September 18, 2020
E. Khorov, A. Krasilov, M. Susloparov et al., IEEE Communications Surveys and Tutorials 2023 Vol. 25 No. 4 P. 2862-2891
Emerging wireless systems target to provide multi-Gbps data rates for each user, which can be achieved by utilizing ultra-wide channels available at mmWave, terahertz, and lightwave frequencies. In contrast to the traditional spectrum below 6 GHz, these high-frequency bands raise many issues, complicating their usage. For example, because of high signal attenuation and blockage by ...
Added: December 23, 2022
Susloparov M., Krasilov A., Khorov E., , in : 2022 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). : IEEE, 2022. P. 385-390.
Augmented and Virtual Reality (AR/VR) is often called a "killer" application of 5G systems because it imposes very strict Quality of Service (QoS) requirements related to throughput, latency, and reliability. A high-resolution AR/VR flow requires a bandwidth of dozens of MHz. Since the existing low-frequency bands (i.e., below 6 GHz) have limited bandwidth and are ...
Added: October 27, 2022
Gerasin I., Krasilov A., , in : 2019 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). : IEEE, 2019. P. 1-3.
In the middle of 2018, 3GPP approved the first version of the novel radio access technology for 5G systems called New Radio (NR). One of the most important novelties of NR compared to the existing Long-Term Evolution technology is the ability to configure physical layer parameters. In particular, for each user a base station can ...
Added: October 18, 2019
IEEE, 2018
Proceedings of IEEE GLOBECOM Workshop on Cloudified Architectures for 5G and beyond Systems ...
Added: October 9, 2018
Gerasin I., Krasilov A., Khorov E., , in : IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications. : IEEE, 2020. P. 1-6.
The fifth-generation wireless systems shall serve the traffic of various applications that impose different Quality of Service (QoS) requirements. An important problem is how to efficiently multiplex flows with different QoS requirements having a limited amount of channel resources. In this paper, we study the problem of multiplexing enhanced Mobile Broadband (eMBB) traffic and Ultra-Reliable ...
Added: October 10, 2020
IEEE, 2023
2023 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom) ...
Added: November 8, 2023
Kondratyeva A., Ivanova D., Begishev V. et al., Future Internet - MDPI 2022 Vol. 14 No. 7 Article 193
5G New Radio (NR) systems promise to expand offered services to enable industrial automation scenarios. To enable ultra-low latency at the air interface and to exploit spatial redundancy for applications such as synchronization and motion control, user equipment (UE) will naturally require device-to-device (D2D) and base station (BS) to UE communications and directional trans-missions provided ...
Added: September 15, 2022
Komarov M. M., Дормидонтова Екатерина Александровна, Автоматизация. Современные технологии 2018 Т. 72 № 8 С. 377-382
Approaches to the formation of service quality evaluation in 4G networks and to the evaluation of service quality in the networks of the new (fifth) generation are considered. The metrics and approaches to this evaluation are proposed, and evaluation criteria are determined. Possible ways of 5G networks development are described. ...
Added: September 12, 2018
Khorov E., Kiryanov A., Krasilov A. et al., , in : Proceedings of IEEE GLOBECOM Workshop on Cloudified Architectures for 5G and beyond Systems. : IEEE, 2018. P. 1-6.
Satisfying heterogeneous Quality of Service requirements of different applications in 5G systems requires tight interaction between the network and the applications. Although being pushed to 3GPP, SAND, the most mature solution enabling such interaction and cross-layer optimization for video streaming, has many limitations and drawbacks. This paper fills the gaps found in the SAND specification ...
Added: October 9, 2018
Shashin A., Belogaev A., Krasilov A. et al., Информационные процессы 2022 Т. 22 № 2 С. 29-41
Ultra-Reliable Low-Latency Communications (URLLC) is a key service for the fifth generation (5G) cellular systems. Typical requirements for this service are the transmission reliability above 99.999% and the latency below 1 ms. The paper considers a scenario with sporadic URLLC traffic in the uplink. To satisfy the strict latency requirements, User Equipments (UEs) use the ...
Added: October 26, 2022
Galinina O., Pyattaev A., Johnsson K. et al., IEEE Journal on Selected Areas in Communications 2016 Vol. 34 No. 4 P. 923-937
The emerging fifth-generation (5G) wireless technology will need to harness the massively unused millimeter-wave (mmWave) spectrum to meet the projected acceleration in mobile traffic demand. Today, the available range of mmWave-based solutions is already represented by IEEE 802.11ad (WiGig), IEEE 802.15.3c, WirelessHD, and ECMA-387 standards, with more to come in the following years. As the ...
Added: March 14, 2018
Degterev D. A., Пискунов Д. А., Еремин А. А., Полис. Политические исследования 2023 № 3 С. 20-38
Increasing U.S. – China competition revealed the leading role of the technology sphere in the terms of global leadership. Ongoing rivalry between two states led to the appearance of decoupling process which results in severance of economic, technological, and political ties. This phenomenon was taken on a global scale, with the U.S. and China seeking to form techno-economic ...
Added: September 7, 2023
Golovanova S., Korneeva D. V., Sidorova E. et al., Экономическая политика 2019 № 4 С. 166-193
This article is devoted to quantitative analysis of the costs and benefits of 5G networks infrastructure creation by using two alternative forms, such as single wholesale network or competing mobile networks. Calculations, based on the principle of discounting, allow us to establish whether savings are possible in the model of single wholesale network. The limit ...
Added: July 11, 2019
Krasilov A., Shamsutdinov A., Shashin A. et al., , in : 2023 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). : IEEE, 2023. P. 312-317.
Ultra-Reliable Low-Latency Communications (URLLC) is a new type of service supported in 5G systems, which imposes very strict requirements on packet delivery time and reliability. Many URLLC applications generate sporadic traffic in the uplink. To satisfy strict URLLC requirements for such a type of traffic, a 5G base station can use the Grant-Free channel access ...
Added: November 8, 2023