173 citations · 310 across the 24 of their papers we have counts for
24 papers
Physics-Informed Transformer for Multi-Band Channel Frequency Response Reconstruction
Anatolij Zubow, Joana Angjo, Sigrid Dimce +1
Wideband channel frequency response (CFR) estimation is challenging in multi-band wireless systems, especially when one or more sub-bands are temporarily blocked by co-channel inte…
Coordinated Spatial Reuse Scheduling With Machine Learning in IEEE 802.11 MAPC Networks
Maksymilian Wojnar, Wojciech Ciężobka, Artur Tomaszewski +9
The densification of Wi-Fi deployments means that fully distributed random channel access is no longer sufficient for high and predictable performance. Therefore, the upcoming IEEE…
Ns3 meets Sionna: Using Realistic Channels in Network Simulation
Anatolij Zubow, Yannik Pilz, Sascha Rösler +1
Network simulators are indispensable tools for the advancement of wireless network technologies, offering a cost-effective and controlled environment to simulate real-world network…
Practical Channel Splicing using OFDM Waveforms for Joint Communication and Sensing in the IoT
Sigrid Dimce, Anatolij Zubow, Alireza Bayesteh +2
Channel splicing is a rather new and very promising concept. It allows to realize a wideband channel sounder by combining multiple narrow-band measurements. Among others, channel s…
Wi-Fi Meets ML: A Survey on Improving IEEE 802.11 Performance with Machine Learning
Szymon Szott, Katarzyna Kosek-Szott, Piotr Gawłowicz +4
Wireless local area networks (WLANs) empowered by IEEE 802.11 (Wi-Fi) hold a dominant position in providing Internet access thanks to their freedom of deployment and configuration…
Wi-Lo: Emulating LoRa using COTS WiFi
Piotr Gawlowicz, Anatolij Zubow, Falko Dressler
We present Wi-Lo, which allows to convert an ordinary 802.11 (WiFi) access point into an internet of things (IoT) gateway supporting the low-power wide area network (LPWAN) technol…
On Phase Offsets of 802.11ac Commodity WiFi
Anatolij Zubow, Piotr Gawlowicz, Falko Dressler
We analyze the phase offsets between RF chains of modern IEEE 802.11ac chips. We investigate both the 2.4 and 5GHz bands on a per OFDM subcarrier level. Results reveal that the pha…
EdgeDASH: Exploiting Network-Assisted Adaptive Video Streaming for Edge Caching
Suzan Bayhan, Setareh Maghsudi, Anatolij Zubow
While edge video caching has great potential to decrease the core network traffic as well as the users' experienced latency, it is often challenging to exploit the caches in curren…
Practical MIMO for Visible Light Communication
Piotr Gawłowicz, Elnaz Alizadeh Jarchlo, Anatolij Zubow
Visible Light Communication (VLC) is seen as a complementary wireless technology to Radio Frequency (RF). However, VLC is very sensitive to the signal blockage and suffers from sha…
WoV: WiFi-based VLC testbed
Piotr Gawłowicz, Elnaz Alizadeh Jarchlo, Anatolij Zubow
We present a complete Visible Light Communications (VLC) transceiver system consisting of low-cost Commercial-Off-The-Shelf (COTS) components. In particular, we show that COTS IEEE…
OfdmFi: Enabling Cross-Technology Communication Between LTE-U/LAA and WiFi
Piotr Gawłowicz, Anatolij Zubow, Suzan Bayhan +1
Despite exhibiting very high theoretical data rates, in practice, the performance of LTE-U/LAA and WiFi networks is severely limited under cross-technology coexistence scenarios in…
Deep Learning for Cross-Technology Communication Design
Anatolij Zubow, Piotr Gawłowicz, Suzan Bayhan
Recently, it was shown that a communication system could be represented as a deep learning (DL) autoencoder. Inspired by this idea, we target the problem of OFDM-based wireless cro…
ns3-gym: Extending OpenAI Gym for Networking Research
Piotr Gawłowicz, Anatolij Zubow
OpenAI Gym is a toolkit for reinforcement learning (RL) research. It includes a large number of well-known problems that expose a common interface allowing to directly compare the…
XZero: On Practical Cross-Technology Interference-Nulling for LTE-U/WiFi Coexistence
Anatolij Zubow, Piotr Gawłowicz, Suzan Bayhan
LTE-U/WiFi coexistence can be significantly improved by placing so-called coexistence gaps in space through cross-technology interference-nulling (CTIN) from LTE-U BS towards WiFi…
The Future is Unlicensed: Coexistence in the Unlicensed Spectrum for 5G
Suzan Bayhan, Gürkan Gür, Anatolij Zubow
5G has to fulfill the requirements of ultra-dense, scalable, and customizable networks such as IoT while increasing spectrum and energy efficiency. Given the diversity of envisaged…
Coexistence Gaps in Space: Cross-Technology Interference-Nulling for Improving LTE-U/WiFi Coexistence
Suzan Bayhan, Anatolij Zubow, Adam Wolisz
To avoid the foreseeable spectrum crunch, LTE operators have started to explore the option to directly use 5 GHz unlicensed spectrum band being used by IEEE 802.11 (WiFi). However,…
LtFi: Cross-technology Communication for RRM between LTE-U and IEEE 802.11
Piotr Gawłowicz, Anatolij Zubow, Adam Wolisz
Cross-technology communication (CTC) was proposed in recent literature as a way to exploit the opportunities of collaboration between heterogeneous wireless technologies. This pape…
Towards LTE-U Interference Detection, Assessment and Mitigation in 802.11 Networks using Commodity Hardware
Michael Olbrich, Anatolij Zubow, Sven Zehl +1
We propose WiPLUS -- a system that enables WiFi to deal with the stealthy invasion of LTE-U into the frequency bands used by WiFi. Using solely MAC layer information extracted pass…
hMAC: Enabling Hybrid TDMA/CSMA on IEEE 802.11 Hardware
Sven Zehl, Anatolij Zubow, Adam Wolisz
We present our current work-in-progress on the design and implementation of a hybrid TDMA/CSMA medium access architecture, hereafter referred to as hMAC, which can be used on top o…
UniFlex: Accelerating Networking Research and Experimentation through Software-Defined Wireless Networking
Piotr Gawłowicz, Anatolij Zubow, Mikolaj Chwalisz +1
Classical control and management plane for computer networks is addressing individual parameters of protocol layers within an individual wireless network device. We argue that this…
NxWLAN: Neighborhood eXtensible WLAN
Piotr Gawłowicz, Sven Zehl, Anatolij Zubow +1
The increased usage of IEEE 802.11 Wireless LAN (WLAN) in residential environments by unexperienced users leads to dense, unplanned and chaotic residential WLAN deployments. Often…
ResFi: A Secure Framework for Self Organized Radio Resource Management in Residential WiFi Networks
Sven Zehl, Anatolij Zubow, Adam Wolisz +1
In dense deployments of residential WiFi networks individual users suffer performance degradation due to both contention and interference. While Radio Resource Management (RRM) is…
Towards MAC/Anycast Diversity in IEEE 802.11n MIMO Networks
Anatolij Zubow, Robert Sombrutzki, Markus Scheidgen
Opportunistic Routing (OR) is a novel routing technique for wireless mesh networks that exploits the broadcast nature of the wireless medium. OR combines frames from multiple recei…
On the Frequency-Selective Scheduling Gain in SDMA-OFDMA Systems
Anatolij Zubow, Johannes Marotzke
Orthogonal Frequency Division Multiple Access (OFDMA) is a multi-user version of the Orthogonal Frequency Division Multiplexing (OFDM) transmission technique, which divides a wideb…