Spectrum Resource Sharing via Initial BWP Coordination
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge of efficiently sharing spectrum resources between public and private networks, particularly in 5G networks, arises due to limited frequency availability and the need for reserved bandwidth for services like URLLC and positioning, necessitating a mechanism to coordinate spectrum usage.
Innovation Solution
A resource sharing method involving a centralized control unit that enables network apparatuses to exchange information for efficient spectrum sharing by indicating initial bandwidth parts (BWPs) and expected data transmission resources, reducing signaling overheads through unified resource indication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If spectrum resources are shared between public and private networks, then spectrum utilization is improved, but resource coordination complexity increases
Solution Approach 1:
The patent introduces an intermediary coordination mechanism where the network device acts as a mediator between public and private networks. The coordination information exchanged between network devices includes resource allocation decisions, allowing centralized coordination without direct complex interactions between all network entities, thus managing coordination complexity while enabling spectrum sharing
Solution Approach 2:
The patent segments spectrum resources into different types (reserved resources, shared resources, dynamic resources) and manages them through separate coordination mechanisms. This segmentation allows different resource types to be handled with appropriate complexity levels, improving overall spectrum utilization without overwhelming the coordination system
2Reliability
If reserved bandwidth is allocated for specific services, then service reliability is improved, but available spectrum for sharing is reduced
Solution Approach 1:
The patent implements dynamic resource allocation where reserved resources can be flexibly adjusted based on service requirements and network conditions. The coordination information exchanged between network devices includes dynamic updates to reserved resource allocations, allowing the system to maintain service reliability while optimizing available spectrum for sharing through real-time adjustments
Solution Approach 2:
The patent changes the parameter of resource allocation from static to dynamic by allowing network devices to negotiate and update reserved resource quantities based on actual service needs. This parameter change enables the system to maintain adequate reservations for reliable service while maximizing the remaining spectrum available for sharing
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A resource sharing method and apparatus are disclosed. The method includes: A first apparatus notifies a second apparatus of a frequency domain resource of a first initial bandwidth part BWP in a candidate shared resource, where the frequency domain resource of the first initial BWP is a resource that is not shared between the first apparatus and the second apparatus; the second apparatus notifies the first apparatus of a frequency domain resource of a second initial BWP in the candidate shared resource, where the frequency domain resource of the second initial BWP is a resource that is not shared between the second apparatus and the first apparatus; the first apparatus notifies the second apparatus of a resource that is in the candidate shared resource and that is expected by the first apparatus to be used for data transmission; and the second apparatus notifies the first apparatus of a resource that is in the candidate shared resource and that is expected by the second apparatus to be used for data transmission. According to the method provided in this application, efficient sharing of a spectrum resource between the first apparatus and the second apparatus is implemented.