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Кучерявый Евгений Андреевич

Научно-исследовательский институт телекоммуникаций

Профиль на hse.ru ↗ тел.: +7 (495) 772-95-90 | 55136
Публикаций
82
Языков
1
Наград
5
Конференций
0
Профиль Публикации (82) Курсы (4)

Профессиональные интересы

Беспроводные сети 5/6GЦифровые двойники систем и сетей связиAI/ML в телекомемоделирование сетей связиультрамалые задержки URLLCWiFi

Должности

  • Директор — Научно-исследовательский институт телекоммуникаций
  • Профессор — Московский институт электроники и математики им. А.Н. Тихонова, Департамент электронной инженерии
  • Главный научный сотрудник — Московский институт электроники и математики им. А.Н. Тихонова, Департамент электронной инженерии
  • Академический руководитель образовательной программы — Технологии искусственного интеллекта в телекоммуникациях
  • Руководитель программы повышения квалификации — Стандарты 5G/5G. Продвинутый уровень

Био

  • · Начал работать в НИУ ВШЭ в 2014 году.
  • · Научно-педагогический стаж: 35 лет.

Образование

  • 2018 · Доктор наук: Московский технический университет связи и информатики, тема диссертации: "Разработка и исследование комплекса моделей и методов распределения ресурсов в беспроводных гетерогенных сетях связи"
  • 2005 · PhD: Технологический университет Тампере
  • 1999 · Кандидат наук: тема диссертации: Исследование вероятностно-временных характеристик механизмов управления мультимедийной нагрузкой в сетях АТМ
  • 1997 · Специалитет: Санкт-Петербургский государственный университет телекоммуникаций им. проф. М.А. Бонч-Бруевича, специальность «Программное обеспечение вычислительной техники и автоматизированных систем», квалификация «Инженер»

Награды и поощрения

  • · Почетная грамота НИУ ВШЭ (сентябрь 2024)
  • · Надбавка за публикацию в журнале из Списка А (и приравненном к нему научном издании) (2025–2026, 2024–2025, 2023–2024)
  • · Надбавка за публикацию в международном рецензируемом научном издании (2022–2023, 2021–2022)
  • · Надбавка за статью в зарубежном рецензируемом журнале (2015–2017)
  • · Лучший преподаватель — 2018

Гранты и проекты

  • — · на соискание учёной степени кандидата наук

Идентификаторы исследователя

Публикации (82)

Performance analysis of multi-band microwave and millimeter-wave operation in 5G NR systems

2021 · ARTICLE · en

Blockage of millimeter-wave (mmWave) radio propagation paths in dense mobile scenarios requires advanced techniques to preserve session continuity in 5G New Radio (NR) systems. In this work, we employ the tools of stochastic geometry and queuing theory as well as rely on 3GPP cluster-based propagation modeling to formulate a mathematical framework, which captures session-level service dynamics of user equipment (UE) that supports multi-band operation. Accordingly, the sub-6 GHz NR base station (BS) is used to temporarily serve the sessions with strict throughput requirements that experience an outage at the mmWave NR BSs. We derive user- and system-centric key performance indicators, including new and ongoing session drop probabilities as well as radio resource utilization. Our numerical results confirm that the use of microwave BSs to serve mmWave sessions is only feasible in light traffic …

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Accuracy assessment of user micromobility models for THz cellular systems

2021 · CHAPTER · en

Terahertz (THz, 0.3-3 THz) communications are envisioned as one of the enablers at the air interface for sixth-generation (6G) cellular systems. However, by utilizing large antenna arrays to overcome severe path losses, this system will suffer from micromobility phenomenon manifesting itself in occasional rotations and displacements of user equipment (UE) in the hand of a user. In this paper, based on the measurements of micromobility patterns we propose several models characterized by various degrees of details to capture micromobility patterns of different applications. By utilizing the time to the outage as a metric we compare their accuracy. Our results show that drift to the origin is a critical property that has to be captured by the model. While the two-dimensional Markov model is shown to provide the most accurate approximation, the decomposed Brownian motion model is characterized by the worst match of data. The decomposed one-dimensional Markov model provides the trade-off between simplicity and approximation accuracy

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Blockchain Evaluation Approaches: State-of-the-Art and Future Perspective

2020 · ARTICLE · en

The present increase of attention toward blockchain-based systems is currently reaching a tipping point with the corporate focus shifting from exploring the technology potential to creating Distributed Ledger Technology (DLT)-based systems. In light of a significant number of already existing blockchain applications driven by the Internet of Things (IoT) evolution, the developers are still facing a lack of tools and instruments for appropriate and efficient performance evaluation and behavior observation of different blockchain architectures. This paper aims at providing a systematic review of current blockchain evaluation approaches and at identifying the corresponding utilization challenges and limitations. First, we outline the main metrics related to the blockchain evaluation. Second, we propose the blockchain modeling and analysis classification based on the critical literature review. Third, we extend the review with publicly accessible industrial tools. Next, we analyze the selected results for each of the proposed classes and outline the corresponding limitations. Finally, we identify current challenges of the blockchain analysis from the system evaluation perspective, as well as provide future perspectives.

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Analytical TCP Model for Millimeter-Wave 5G NR Systems in Dynamic Human Body Blockage Environment

2020 · ARTICLE · en

Dynamic blockage of radio propagation paths between the user equipment (UE) and the 5G New Radio (NR) Base Station (BS) induces abrupt rate fluctuations that may lead to sub-optimal performance of the Transmission Control Protocol (TCP) protocol. In this work, we characterize the effects of dynamic human blockage on TCP throughput at the 5G NR air interface. To this aim, we develop an analytical model that expresses the TCP throughput as a function of the round-trip time (RTT), environmental, and radio system parameters. Our results indicate that the blockage affects TCP throughput only when the RTT is comparable to the blocked and non-blocked state durations when the frequency of state changes is high. However, such conditions are not typical for dynamic body blockage environments allowing TCP to benefit from the high bandwidth of 5G NR systems fully.

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Applying blockchain technology for user incentivization in mmWave-Based mesh networks

2020 · ARTICLE · en

Wireless traffic produced by modern mobile devices displays high temporal and spatial dynamics as users spontaneously engage in collective applications where a significant portion of generated data remains localized. As a result, conventional service provisioning approaches may no longer be sufficient in beyond fifth generation (B5G) systems. The challenge of increased dynamics on the access networks can be mitigated with moving cells. However, the deployment time of these temporary serving entities may lag behind the service demand lifetime. Another viable solution to offload excessive cellular traffic is to rely upon locally available radio resources offered by user devices via direct mmWave-based mesh interworking. An important challenge in such systems is related to the incentivization of users to partake in collaborative resource sharing. To leverage multi-hop mesh capabilities, we propose the use of …

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Performance analysis of onshore NB-IoT for container tracking during near-the-shore vessel navigation

2020 · ARTICLE · en

This article aims to put forward the utilization of onshore narrowband IoT (NB-IoT) infrastructure for tracking of containers transported by marine cargo vessels while operating near the coastline. We introduce and evaluate three connectivity strategies, including direct sensor-to-onshore base station (BS) transmission as well as two relay-aided schemes using dedicated vessel-BS or unmanned-aerial-vehicle (UAV)-mounted BS as intermediate nodes. To assess and compare the proposed schemes in terms of the message loss and delay metrics as well as sensor lifetimes, we first employ stochastic geometry to characterize the connectivity process with the onshore deployment and then resort to system-level simulations. Our results indicate that the direct access option suffers from the poorest performance. The relay-based alternatives allow to dramatically improve the system operation by effectively distributing the …

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Packet Level Performance Assessment of mmWave Backhauling Technology for 3GPP NR Systems

2019 · ARTICLE · en

Recently standardized millimeter-wave (mmWave) band 3GPP New Radio systems are expected to bring extraordinary rates to the air interface efficiently providing commercial-grade enhanced mobile broadband services in hotspot areas. One of the challenges of such systems is efficient offloading of the data from access points (AP) to the network infrastructure. This task is of special importance for APs installed in remote areas with no transport network available. In this paper, we assess the packet level performance of mmWave technology for cost-efficient backhauling of remote 3GPP NR APs connectivity “islands”. Using a queuing system with arrival processes of the same priority competing for transmission resources, we assess the aggregated and per-AP packet loss probability as a function environmental conditions, mmWave system specifics, and generated traffic volume. We show that the autocorrelation in aggregated traffic provides a significant impact on service characteristics of mmWave backhaul and needs to be compensated by increasing either emitted power or the number of antenna array elements. The effect of autocorrelation in the per-AP traffic and background traffic from other APs also negatively affects the per-AP packet loss probability. However, the effect is of different magnitude and heavily depends on the load fraction of per-AP traffic in the aggregated traffic stream. The developed model can be used to parameterize mmWave backhaul links as a function of the propagation environment, system design, and traffic conditions.

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Challenges of Multi-Factor Authentication for Securing Advanced IoT Applications

2019 · ARTICLE · en

The unprecedented proliferation of smart devices together with novel communication, computing, and control technologies have paved the way for A-IoT. This development involves new categories of capable devices, such as high-end wearables, smart vehicles, and consumer drones aiming to enable efficient and collaborative utilization within the smart city paradigm. While massive deployments of these objects may enrich people's lives, unauthorized access to said equipment is potentially dangerous. Hence, highly secure human authentication mechanisms have to be designed. At the same time, human beings desire comfortable interaction with the devices they own on a daily basis, thus demanding authentication procedures to be seamless and user-friendly, mindful of contemporary urban dynamics. In response to these unique challenges, this work advocates for the adoption of multi-factor authentication for A-IoT, such that multiple heterogeneous methods - both well established and emerging - are combined intelligently to grant or deny access reliably. We thus discuss the pros and cons of various solutions as well as introduce tools to combine the authentication factors, with an emphasis on challenging smart city environments. We finally outline the open questions to shape future research efforts in this emerging field.

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Analytical Characterization of the Blockage Process in 3GPP New Radio Systems with Trilateral Mobility and Multi-Connectivity

2019 · ARTICLE · en

One of the recent major steps towards 5G cellular systems is standardization of 5G New Radio (NR) operatingin the millimeter wave (mmWave) frequency band. This radio access technology (RAT) will potentially provideextraordinary rates at the access interface enabling the set of new bandwidth-greedy applications. However,the blockage of the line-of-sight (LoS) path between 3GPP NR access point (AP) and the user equipment (UE)is known to drastically degrade the performance of the NR communication links thus leading to potentialoutage conditions. Although the problem of characterizing LoS blockage process has been addressed in therecent literature, the proposed models are mostly limited to stationary locations of APs and UE. In our study,we characterize properties of the LoS blockage process under simultaneous mobility of both blockers and UE.The model is then extended to the cases of Poisson AP deployment, multi-connectivity, and mobility of APrepresenting ‘trilateral’ (three-sided) mobility model. We also specify a Markov-based model of the blockageprocess that can be efficiently used in both system level simulations and analytical analysis of 3GPP NR systems.Using this model we demonstrate how to derive various metrics of interest including (i) ,fraction of time inblockage, (ii) SNR and capacity process dynamics, (iii) probability that at time𝑡UE is at the blockage ornon-blockage state, (iv) mean and distribution of time to an outage.

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Action-Oriented Programming Model: Collective Executions and Interactions in the Fog

2019 · ARTICLE · en

Today’s dominant design for the Internet of Things (IoT) is a Cloud-based system, where devices transfer their data to a back-end and in return receive instructions on how to act. This view is challenged when delays caused by communication with the back-end become an obstacle for IoT applications with, for example, stringent timing constraints. In contrast, Fog Computing approaches, where devices communicate and orchestrate their operations collectively and closer to the origin of data, lack adequate tools for programming secure interactions between humans and their proximate devices at the network edge. This paper fills the gap by applying Action-Oriented Programming (AcOP) model for this task. While originally the AcOP model was proposed for Cloud-based infrastructures, presently it is re-designed around the notion of coalescence and disintegration, which enable the devices to collectively and autonomously execute their operations in the Fog by serving humans in a peer-to-peer fashion. The Cloud’s role has been minimized—it is being leveraged as a development and deployment platform.

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Курсы (4)