Advanced Connectivity

Communication systems are experiencing a major change being driven by their convergence on technologies drawn from information systems: Network programming, virtualization, and now cloudification, flexibility, and speed of deployment.

Labo bcom - Connectivite avancée
© Fred Pieau
To become proficient in high-quality end-to-end services, meet the needs of various industries, and offer a better user experience, it is necessary to find solutions for broadband mobile and IoT that are coordinated with access networks and core networks alike.

The Advanced Connectivity lab is helping this change come about by designing software and hardware solutions ranging from radio access (massive MIMO, millimeter waves, new FECs) to core network infrastructure (SDN architecture, CUPS, and micro-services) that can address these new needs. The lab relies on expanded areas of skill such as radio, signal processing, systems on-chip (SoC), Software-Defined Radio (SDR) platforms, software development, and cloud infrastructure. It handles these subjects by offering architecture upgrades that restructure the functions toward the Edge network.

Olivier Choisy - bcom
© Fred Pieau

Olivier Choisy

Advanced Connectivity lab Manager

Drawing on the findings of many mobile network research projects over the past 5 years, we have the ingredients to accelerate development for the xG plan and 5G sovereignty.
products & services
private 5G networks dome b<>com Dome

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Flexible Netlab - teaser produit - bcom b<>com *xG Testbed* services

Experience a full-scale 5G/IoT journey

Wireless Family - teaser produit - bcom Wireless family

A family of software radio products for developing your own transmitting/receiving channel

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A smart and private collaborative solution to get the best of unused IT resources.

scientific publications


Flexible 5G gNB Implementation for Easy Tactical Deployment: a Focus on the Radio Unit

This paper deals with the implementation of a light fifth generation (5G) base station (gNB) intended for specific use cases requiring an airborne deployment of the network. We focus on the radio unit (RU) and give details on the components, the implementations, and the technical choices that have been made, driven by the strong constraints inherent to the considered use cases.

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Multi-Numérologie Basée sur la Modulation Orthogonal Chirp Division Multiplexing (OCDM) pour la 6G

Ce papier traite de la capacité de la modulation OCDM (orthogonal chirp division multiplexing) à être adaptée au concept de multi-numérologie dans un contexte de communications de prochaine génération. En premier lieu, on introduit la modulation OCDM, puis on présente comment l'adapter à la multi-numérologie. On évalue le système par simulations, dont les résultats montrent la résistance…

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PAPR Peak to average power ratio reduction techniques based on chirp selection for single and multi‐user orthogonal chirp division multiplexing system

This paper deals with peak to average power (PAPR) reduction in a single and multiuser orthogonal chirp division multiplexing (OCDM) context. Two methods for PAPR reduction based on the selection of the frequency variation (up or down) of the chirps are first presented in a single user system. The first technique consists in considering two OCDM signals generated with up and down chirps,…

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OCDM-Based Multi-Numerology Communications for 6G

This paper deals with the capability of the orthogonal chirp division multiplexing (OCDM) modulation scheme to cope with multi-numerology concept in the context of next generations of communications. The OCDM-based multi-numerology transceiver is introduced, based on the discrete Fourier transform (DFT) modulation, leading to expressions of the signals in both time and frequency domains. Then,…

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