LTE V2X Routing via Distributed Network Cores
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Solution Overview
Problem
Current LTE networks face inefficiencies in routing Vehicle-to-X (V2X) data communications, as they often require all user communication data to be transmitted back to the central core for processing, leading to increased latency and reduced quality of service, especially in scenarios where vehicles are in motion and frequent handoffs occur.
Innovation Solution
The implementation of a system where wireless base stations in LTE networks associate V2X service types with distributed LTE network cores and agents, allowing user communication data to be routed directly to the appropriate core or agent if associated, thereby bypassing the central core for certain V2X service types, utilizing Network Function Virtualization (NFV) and Software-Defined Networking (SDN) to manage and route V2X data efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all user communication data is transmitted back to the central core for processing, then centralized control and management are maintained, but latency increases and quality of service deteriorates
Solution Approach 1:
The patent segments the centralized core network into distributed network cores, where each distributed core can independently process V2X data for its associated wireless base stations. This segmentation eliminates the need for all data to travel to the central core, reducing latency while maintaining distributed control that ensures reliability.
Solution Approach 2:
The patent introduces a new dimensional structure by creating multiple layers of network cores (central and distributed) organized in a hierarchical manner. This dimensional change allows data routing decisions to be made at the appropriate level (distributed core for local V2X data, central core for non-V2X data), optimizing both latency and control reliability.
2Loss of time
If distributed LTE network cores are introduced to route V2X data directly, then latency is reduced and quality of service improves, but device complexity increases
Solution Approach 1:
The distributed LTE network cores are designed with multi-functionality, capable of handling both V2X data routing and traditional data communication. This universality reduces the need for separate specialized components, thereby managing complexity while enabling direct routing paths that reduce latency.
Solution Approach 2:
The patent introduces LTE network agents as intermediary components that facilitate communication between wireless base stations and distributed network cores. These agents simplify the routing logic by acting as local intermediaries that determine whether data should be routed to distributed or central cores, reducing the complexity burden on the overall network structure.
3Reliability
If V2X service data is associated with distributed LTE network cores and agents, then direct routing is enabled and quality of service improves, but routing complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-associating V2X service data with specific distributed LTE network cores and agents before data transmission occurs. This pre-establishment of associations creates ready-made routing paths, eliminating the need for complex real-time routing decisions and reducing routing logic complexity while maintaining high quality of service.
4Reliability
If all user communication data passes through the central core, then centralized security and policy enforcement are maintained, but productivity decreases
Solution Approach 1:
The patent segments security and policy enforcement functions between the central core and distributed network cores. The central core maintains overall security policies, while distributed cores enforce these policies locally for V2X data, eliminating the need for all data to traverse the central core and thereby improving productivity while maintaining security.
Data Source
AI summary
A Long Term Evolution (LTE) data communication network to route Vehicle-to-X (V2X) data communications. The LTE communication network includes an LTE network central core and distributed LTE network cores individually connected to LTE network agents. The LTE communication network further includes a wireless base station receiving V2X service data individually associating the distributed LTE network cores and the LTE network agents with multiple V2X service types; and receiving user communication data identifying one of the V2X service types from the vehicle UE. If the identified V2X service type is associated with one of the LTE network agents, then the wireless base station transfers the user communication data to the associated distributed LTE network core for delivery to the associated one of the LTE network agents. If the identified V2X service type is not associated with one of the LTE network agents, then the wireless base station transfers the user communication data to the LTE network central core.