User profiles for S. Andreev

Sergey Andreev

Tampere University, Finland
Verified email at tuni.fi
Cited by 10274

[HTML][HTML] Multi-factor authentication: A survey

A Ometov, S Bezzateev, N Mäkitalo, S Andreev… - Cryptography, 2018 - mdpi.com
… Utilizing the device’s and user’s geographical location to validate whether access to the
device/service could be granted is a special case of location-based authentication [112,113]. …

Communication challenges in high-density deployments of wearable wireless devices

A Pyattaev, K Johnsson, S Andreev… - IEEE Wireless …, 2015 - ieeexplore.ieee.org
… Finally, we assume that all of the devices are always able to reach their theoretical maximum
of throughput, which we set as 60 Mb/s per 20 MHz at 5 GHz and 4.620 Gb/s per channel at …

Non-terrestrial networks in 5G & beyond: A survey

…, HL Maattanen, J Torsner, S Pizzi, S Andreev… - IEEE …, 2020 - ieeexplore.ieee.org
… of the satellite component in UMTS (S-UMTS). Researchers … at the foundation of a possible
S-UMTS architecture. Further, … In [30], a new integrated satellite-terrestrial UMTS (S/TUMTS) …

Understanding the IoT connectivity landscape: a contemporary M2M radio technology roadmap

S Andreev, O Galinina, A Pyattaev… - IEEE …, 2015 - ieeexplore.ieee.org
… giving a realistic picture of the technology’s capabilities at a reasonable network scale. …
SERGEY ANDREEV (sergey.andreev@tut.fi) is a senior research scientist in the Department of …

Benefits of positioning-aided communication technology in high-frequency industrial IoT

…, M Koivisto, O Galinina, S Andreev… - IEEE …, 2018 - ieeexplore.ieee.org
s and 5 s, the overheads are estimated to be on the order of 1 to 2 percent, while for the 10
s … However, it falls behind our proposed solution, and for the case of 1 s interval results in a …

Cellular traffic offloading onto network-assisted device-to-device connections

S Andreev, A Pyattaev, K Johnsson… - IEEE …, 2014 - ieeexplore.ieee.org
… The D2D server is a globally visible entity with a static domain name, normally located in
the network operator’s EPC for 3GPP devices and in the Internet service provider’s (ISP’s) …

Analysis of human-body blockage in urban millimeter-wave cellular communications

…, E Aryafar, S Yeh, N Himayat, S Andreev… - 2016 IEEE …, 2016 - ieeexplore.ieee.org
… i) event B0 that the radius of a blocker’s base is not large enough to cross the LoS between
the … To calculate the probabilities of these events, we integrate over the blocker’s y coordinate …

5G multi-RAT LTE-WiFi ultra-dense small cells: Performance dynamics, architecture, and trends

O Galinina, A Pyattaev, S Andreev… - IEEE Journal on …, 2015 - ieeexplore.ieee.org
… For the sake of tractability, we then approximate the link coverage area by the circle of area
S (calculated in Appendix). Due to our assumption that all the SBSs are controlled by the …

Magnetic self-assembly of three-dimensional surfaces from planar sheets

M Boncheva, SA Andreev… - Proceedings of the …, 2005 - National Acad Sciences
This report describes the spontaneous folding of flat elastomeric sheets, patterned with
magnetic dipoles, into free-standing, 3D objects that are the topological equivalents of spherical …

Effects of heterogeneous mobility on D2D-and drone-assisted mission-critical MTC in 5G

…, D Moltchanov, L Militano, S Andreev… - IEEE …, 2017 - ieeexplore.ieee.org
… It is expected that 3GPP’s new radio will be accompanied by further LTE evolution in
parallel. Recognizing the benefits of cellular networks built around a global standards suite, the …