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Hy-Fi: Aggregation of LiFi and WiFi using MIMO in IEEE 802.11

June, 2021

We present Hy-Fi, a system which combines light fidelity (LiFi) and radio based on the WiFi physical layer waveform by using the MIMO features available in IEEE 802.11- compliant commodity chip sets. Hy-Fi is based on two key ideas. First, we use inexpensive COTS hardware to facilitate direct transmission of WiFi waveforms over the optical wireless channel, as this is proposed in the IEEE P802.11bb task group. Second, we use the MIMO signal processing to aggregate LiFi and radio signals at the physical layer.

• Anatolij Zubow, Piotr Gawłowicz, Kai Lennert Bober, Volker Jungnickel, Kai Habel and Falko Dressler, "Hy-Fi: Aggregation of LiFi and WiFi using MIMO in IEEE 802.11," Proceedings of 22nd IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM 2021), Virtual Conference, June 2021. [BibTeX, PDF and Details...]

Age of Information in Molecular Communication Channels

May, 2021

This paper introduces the age of information (AoI) concept in molecular communication channels. We derive a theoretical equation to compute the average peak AoI. This allows analyzing the trade-off between an increased rate of transmission (thereby a reduced latency) and the produced inter-symbol interference (ISI) (thereby an increased error rate).

• Jorge Torres Gómez, Ketki Pitke, Lukas Stratmann and Falko Dressler, "Age of Information in Molecular Communication Channels," Elsevier Digital Signal Processing (DSP), Special Issue on Molecular Communication, June 2021. (online first) [DOI, BibTeX, PDF and Details...]

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