Dynamic V2X Offloading to DSRC RSU
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current 3GPP LTE systems face strain due to increased network resource demands from various devices, including IoT and V2X communications, leading to limited control information exchange and communication complexity, especially in scenarios involving rapidly moving vehicles.
Innovation Solution
Implementing dynamic offloading of V2X services to DSRC (Dedicated Short Range Communication) technology, allowing for efficient resource allocation and improved communication protocols to enhance network capacity and interoperability between different radio access technologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If 3GPP LTE systems are used to support increased network resources for IoT and V2X communications, then network capacity and device connectivity are improved, but network complexity and control information exchange limitations worsen
Solution Approach 1:
The patent segments the network architecture by introducing separate access points for 3GPP LTE and Wi-Fi technologies, allowing independent optimization of each network type. The gateway device divides control information exchange into specific pathways (PCAP, PAPC, PCPC) to manage complexity while supporting increased network capacity for IoT and V2X communications.
Solution Approach 2:
The gateway device acts as an intermediary between 3GPP LTE access points and Wi-Fi access points, facilitating control information exchange without requiring direct communication between disparate technologies. This mediator approach resolves the complexity issue by centralizing the interface management for multi-technology networks.
2Adaptability or versatility
If multiple radio access technologies are coordinated for V2X communications, then communication versatility and service capability are improved, but control information exchange and interoperability worsen
Solution Approach 1:
The gateway device is designed with multi-functionality to handle both 3GPP LTE and Wi-Fi protocols, translating and routing control information between different technology standards. This universal approach enables versatile V2X communications while maintaining proper control information exchange through protocol adaptation.
Solution Approach 2:
The gateway serves as an intermediary that bridges 3GPP LTE and Wi-Fi networks, ensuring control information is properly translated and exchanged between technologies. This mediator prevents information loss by providing standardized interfaces and translation mechanisms for inter-technology communication.
3Productivity
If dynamic offloading of V2X services to DSRC is implemented, then resource allocation efficiency and communication performance are improved, but system complexity and handover management worsen
Solution Approach 1:
The system implements dynamic offloading where V2X services can be transferred between 3GPP LTE and DSRC/Wi-Fi access points based on real-time network conditions, vehicle mobility, and service requirements. This dynamic approach improves resource allocation efficiency while the gateway automates handover management to reduce complexity.
Solution Approach 2:
The system uses feedback mechanisms where the gateway monitors network conditions, service performance, and vehicle requirements to make intelligent decisions about service offloading. This feedback-driven approach optimizes resource allocation while automating handover decisions to manage system complexity.
Data Source
AI summary
Systems and methods of providing V2X communications are generally described. The multimode UE communicates V2X messages with an eNB. The eNB detects whether the UE is able to receive messages from a nearby DSRC RSU based on measurements received from the UE and reported to the eNB. Based on the measurements, the eNB offloads V2X traffic to the DSRC RSU and triggers the UE to start communicating the V2X services from the DSRC RSU rather than the eNB. The measurements are reported in a BSR or DSRC MAC control element or RRC measurement report. The measurement report includes DSRC presence fields, CCH measurements and SCH measurements for each DSRC RSU that the UE is able to detect.