In this paper, a cooperative solution for vehicle-to-everything (V2X) communications is proposed and presented, which can guarantee the reliability and latency requirements for the 5G enhanced V2X (eV2X) services. Cooperation is useful for both in-coverage and out-of-coverage vehicular communications' scenarios. The proposed solution relies on the sidelink (SL) device-to-device (D2D) communications for the V2X communications. In this paper, we first provide a performance evaluation of the SL D2D V2X communications in terms of resource allocation and scheduling. The resource allocation is known as modes 3 and 4 SL D2D communications, and the scheduling is using a semi-persistent scheduling (SPS) approach. Simulation results are obtained in order to identify and highlight the reliability tradeoffs considering different payload sizes and SPS parameters. In the sequel, a cooperative solution that decreases the transmission collision probability is devised and presented, which is able to significantly improve the reliability of the future 5G eV2X communications. Different application scenarios are simulated to obtain the results that can guarantee the latency requirements per 5G eV2X use case as specified in 3GPP Rel.16 toward ultrareliable and low latency communications. INDEX TERMS Sidelink device-to-device, 5G enhanced V2X (eV2X) services, V2V communications, resource allocation, scheduling, cooperative ultra reliable and low latency communications.

The future of the manufacturing industry highly depends on digital systems that transform existing production and monitoring systems into autonomous systems fulfilling stringent requirements in terms of availability, reliability, security, low latency, and positioning with high accuracy. In order to meet such requirements, private 5G networks are considered a key enabling technology. In this paper, we introduce the 5G-CLARITY system that integrates 5G new radio (5GNR), Wi-Fi and light fidelity (LiFi) access networks, and develops novel management enablers to operate 5G-Advanced private networks. We describe three core features of 5G-CLARITY including a multi-connectivity framework, a high precision positioning server and a management system to orchestrate private network slices. These features are evaluated by means of packet level simulations and an experimental testbed demonstrating the ability of 5G-CLARITY to police access network traffic, to achieve cm-level positioning accuracy, and to provision private network slices in less than one minute.

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Intent driven networking holds the promise of simplifying network operations by allowing operators to use declarative, instead of imperative, interfaces. Adoption of this technology for 5G and beyond networks is however still in its infancy, where the required architectures, platforms, interfaces and algorithms are still being discussed. In this work, we present the design and implementation of a novel intent based platform for private 5G networks powered by a Natural Language Processing (NLP) interface. We demonstrate how our platform simplifies network operations in three relevant private network use cases, including: i) an intent based slice provisioning use case, ii) an intent based positioning use case, and iii) an intent based service deployment use case. Finally, all use cases are benchmarked in terms of intent provisioning time.

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