CPE Self-Organization via Cn Interface for FWA Resource Allocation
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Solution Overview
Problem
Conventional wireless communication systems fail to dynamically select the most optimal base station for customer premises equipment (CPE) based on available resources and specific resource requirements, leading to sub-optimal service quality and potential disconnections in unlicensed spectrum environments like CBRS.
Innovation Solution
Implementing a new interface (Cn) between CPEs to exchange information about resource requirements and available resources, allowing CPEs to select the most suitable base station that can optimize overall network quality of service by considering the resources of multiple base stations and the requirements of all CPEs, forming a self-organizing network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If CPE connects to base station with strongest signal, then connection reliability is improved, but resource allocation efficiency deteriorates
Solution Approach 1:
CPEs autonomously exchange information about their resource requirements and available resources through the Cn interface, enabling self-organized network optimization without centralized control. Each CPE independently determines optimal base station selection based on exchanged information, resolving the contradiction between connection reliability and resource allocation efficiency through decentralized self-service mechanisms.
Solution Approach 2:
The patent implements a feedback mechanism where CPEs broadcast information about their resource requirements and receive information from other CPEs about available resources. This feedback loop enables dynamic base station selection that balances connection stability with optimal resource utilization, allowing the network to adapt to changing conditions while maintaining reliable connections.
2Productivity
If CPEs exchange information about resource requirements, then network optimization is improved, but device complexity increases
Solution Approach 1:
The Cn interface serves multiple functions: it enables information exchange about resource requirements, broadcasts available resources, and facilitates autonomous base station selection. By consolidating these functions into a single standardized interface, the patent achieves network optimization without proportionally increasing device complexity, as the same interface structure handles diverse optimization tasks.
Solution Approach 2:
The patent optimizes information exchange by changing parameters such as the structure and content of broadcast messages. Instead of exchanging comprehensive detailed information, CPEs exchange optimized parameters about resource requirements and availability, reducing the complexity burden while maintaining network optimization effectiveness.
Data Source
AI summary
A method, performed by a first customer premises equipment (CPE) at a first customer premises within a fixed wireless access (FWA) network comprising a plurality of base stations, includes: connecting remotely over a first interface to a first base station of the FWA network, providing access over the first interface to the FWA network to at least a first client device locally connected to the first CPE at the first customer premises, and receiving information over a second interface from a second CPE at a second customer premises within the FWA network to modify operation of at least the first CPE. The second CPE provides access to the FWA network to at least a second client device locally connected to the second CPE at the second customer premises, and the information received from the second CPE over the second interface comprises information about operation of the second CPE.