Vehicle-Mounted Cellular Relay Using Integrated Access Backhaul
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Solution Overview
Problem
Existing cellular network coverage is insufficient in regions lacking fixed infrastructure, necessitating mobile solutions to extend network access.
Innovation Solution
A cellular network communication system utilizing a primary access point connected to a high-speed network and secondary access points, mounted on vehicles, which establish a cellular backhaul connection with the primary point, providing gNodeB functionality and enabling communication with user equipment through integrated access backhaul.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixed infrastructure is used for cellular network service, then network reliability is improved, but network coverage is limited to areas with fixed infrastructure
Solution Approach 1:
The patent makes the cellular base station mobile by mounting it on a vehicle platform, transforming it from a static fixed infrastructure to a dynamic mobile system. This allows the base station to move to different locations and provide network service in areas without fixed infrastructure, thereby improving network coverage while maintaining service reliability through the mobile platform
Solution Approach 2:
The patent introduces a mobile vehicle platform as an intermediary between the fixed infrastructure and the end users. The vehicle-mounted base station acts as a mobile relay that can establish temporary cellular networks in coverage gaps, bridging the gap between fixed infrastructure limitations and the need for widespread network access
2Adaptability or versatility
If mobile base stations are deployed to extend coverage, then network coverage is improved, but system complexity increases
Solution Approach 1:
The vehicle-mounted base station is designed to perform multiple functions: it provides cellular base station services, acts as a mobile relay node, and can serve multiple user equipment simultaneously. This multi-functionality reduces the need for separate specialized devices, thereby managing system complexity while extending network coverage to areas without fixed infrastructure
3Adaptability or versatility
If vehicle-mounted secondary access points are used, then network access in remote areas is improved, but energy consumption increases
Solution Approach 1:
The vehicle-mounted base station is designed to maintain continuous network service as long as the vehicle is in operation and has power supply. The system ensures uninterrupted cellular service to user equipment in remote areas by maintaining continuous operation through the vehicle's power systems, thereby providing reliable network access despite increased energy consumption
Data Source
AI summary
Various embodiments of a cellular network communication system are presented herein. Embodiments can include a primary access point that includes a wired high speed network connection and one or more cellular interfaces through which a cellular backhaul communication channel is established between a secondary access point and the primary access point using a cellular network communication protocol. The primary access point can provide gNodeB functionality to the secondary access point. The system can also include the secondary access point, which can include one or more cellular interfaces through which user equipment (UE) communicate, via the cellular network communication protocol, with the secondary access point. The secondary access point can provide gNodeB functionality to the UE accessing the secondary access point.