C-RAN Data Exchange Path for Edge Area Users
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Solution Overview
Problem
Edge area users in cloud radio access networks (C-RANs) experience performance gaps due to inadequate data exchange paths, leading to suboptimal network performance compared to inter-station users.
Innovation Solution
Establishing data exchange paths between C-RAN master stations and neighboring collaborative stations using high-speed interfaces like CPRI, RIO, or Ethernet, enabling tightly coupled collaboration and improved data convergence for edge area users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If edge area users in C-RAN use conventional data exchange paths, then device complexity is reduced, but network performance and data exchange speed deteriorate
Solution Approach 1:
The patent segments the data exchange path into multiple hierarchical levels: intra-station paths within the home C-RAN, inter-station paths to neighboring C-RANs, and core network paths. This segmentation allows edge area users to access high-speed collaborative processing resources across multiple stations without overwhelming a single data exchange path, thereby improving data exchange speed while managing complexity through structured organization.
Solution Approach 2:
The patent introduces collaborative stations as intermediary nodes between edge area users and the core network. These collaborative stations receive and process user data, enabling high-speed data exchange through coordinated multi-station processing. The intermediary collaborative stations manage the complexity of inter-station communication, allowing edge users to benefit from high-speed processing without directly handling the complexity of the entire C-RAN infrastructure.
2Reliability
If C-RAN uses centralized processing architecture, then network performance for inter-station users is improved, but performance for edge area users deteriorates
Solution Approach 1:
The patent applies local quality by differentiating service delivery mechanisms for different user locations. For inter-station users, centralized processing provides high performance. For edge area users, the system activates collaborative processing with neighboring C-RANs, creating localized high-performance processing clusters. This allows the network to adapt processing quality to user location, ensuring edge users receive performance comparable to inter-station users.
Solution Approach 2:
The patent extends the centralized processing capability from a single C-RAN station to multiple dimensions by incorporating neighboring C-RANs into the collaborative processing network. This dimensional expansion allows edge area users to access processing resources in adjacent stations, effectively creating a multi-dimensional collaborative processing architecture that overcomes the limitations of single-station centralized processing for edge users.
3Productivity
If high-speed data exchange paths are established between C-RAN stations, then data exchange capability is improved, but system complexity increases
Solution Approach 1:
The patent implements universal data exchange paths that can serve multiple functions: intra-station user data exchange, inter-station collaborative processing, and core network connectivity. By designing data exchange paths with multi-functionality, the system achieves high data exchange capability for both edge and inter-station users without proportionally increasing system complexity, as the same infrastructure supports multiple operational modes.
Solution Approach 2:
The patent establishes preliminary data exchange path configurations and collaborative processing agreements between neighboring C-RANs before actual data exchange occurs. This preliminary setup includes pre-configured high-speed paths and pre-negotiated resource allocation, allowing the system to rapidly activate collaborative processing when needed without the overhead of real-time path establishment, thereby improving data exchange capability while controlling system complexity.
Data Source
AI summary
A apparatus and system for exchanging data of an edge area user on a C-RAN are provided. The apparatus includes: at least one collaborative station of at least one neighboring C-RAN is determined for the edge area user on the C-RAN; control data is exchanged with the neighboring C-RAN collaborative station; a data exchange path used for exchanging first data with the neighboring C-RAN collaborative station is established according to the control data; the neighboring C-RAN collaborative station exchanges second data with the edge area user according to the control data. Based on the foregoing innovative mechanism, the C-RAN master station performs coupled collaboration with the neighboring C-RAN collaborative station by establishing the data exchange path, so that the neighboring C-RAN collaborative station may also exchange data with the edge area user, thereby enabling the edge area user on the C-RAN to obtain a better gain and improving system performance.