Angle-Resolved Channel Measurements at 28 and 160 GHz in Open Office Industrial-Like Environment
This paper investigates angle-resolved channel measurements at 28 and 160 GHz within an industrial-like open office environment. It presents findings on power metrics, delay, and angular characteristics based on 135 measurement positions. Results...
On the Impact of OFDM Waveform in ISAC Systems
This paper highlights the differences between the standard matched filter (a correlation-based method) and symbol-domain processing, providing insights into how pulse shaping affects sensing performance in multicarrier schemes like OFDM....
Conflict Mitigation Approach for O-RAN xApps
Open Radio Access Network (O-RAN) enables interoperability by allowing operators to choose equipment from multiple vendors. However, conflicting objectives between xApps, such as energy efficiency and load balancing, require coordination, raising...
Interoperable and Open Source Solution for Anchoring Augmented Reality Content to the Real World
This research demonstration presents an open source end-to-end solution for facilitating the anchoring of virtual content in the real world based on various platforms thanks to the interoperable specifications of the ETSI Augmented Reality...
Beam-Steered Sub-THz Channel Measurements in D-Band in an Industrial Environment
This paper presents results of a channel measurement campaign carried out in a production hall at a carrier frequency of 160 GHz which were analyzed with regards to beam-steering and macro-diversity gains.
A Fast and Accurate EDFA Model for the Optimization of Power-Efficient SDM Subsea Transmission Systems
In this paper, we present an adaptation of the extended Saleh model, using a coarse segmentation of the erbium doped fiber, to accurately include the impact of EDFA physics, with a limited complexity increase, in power efficiency predictions for...
Timebin-Phase BB84 Quantum Key Distribution Using Telecom-Wavelength Fiber-Coupled SPADs
Single-photon avalanche detectors (SPADs), which operate without cryogenic cooling, are a core component for practical QKD systems. We demonstrate 13-hour continuous key generation with our timebin-phase BB84 QKD system using our InGaAs/InP SPAD,...
A Flexible Real-Time Quantum Key Distribution System for Fiber and Free-Space Links
To enable QKD in various scenarios, we developed a 625 MHz real-time autonomous timebin-phase QKD system with custom clock synchronization. We demonstrate the system’s performance and robustness under unstable link conditions, a variety of fiber...
Single-Carrier 2.56 Tb/s (3-mode x 128-GBd x DP-16QAM) Transmission over a 53.7 km Few Mode Fiber
We investigate high-symbol rate SDM transmission using 16 to 128 GBd QPSK, 16-QAM and 64-QAM modulation over a 3-mode fiber. An aggregated net rate of 2.56 Tb/s was obtained after 54 km transmission using 128 GBd 16-QAM signals.
Clock offset synchronization with sublinear complexity for quantum key distribution on low-level hardware
We introduce iQSync, a clock-offset recovery method for quantum key distribution. iQSync achieves sub-linear computational complexity, allowing for the implementation on low-level hardware. We demonstrate the method for channel attenuations...