Dynamic Priority Management for NR Spectrum Sharing
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Solution Overview
Problem
Existing priority-based coordinated access schemes in wireless communication systems are inflexible and do not adapt dynamically to scheduling requirements of network operators, leading to inefficiencies in shared spectrum utilization.
Innovation Solution
Implementing dynamic priority management mechanisms that allow for the transmission and reception of dynamic priority information within transmission opportunities (TXOPs), enabling flexible configuration of access priorities among network operating entities based on scheduling requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If medium-sensing procedures (listen-before-talk) are employed to avoid interference in shared spectrum, then interference between different network operating entities is reduced, but signaling overhead increases and latency increases
Solution Approach 1:
The patent applies preliminary action by establishing predetermined priority relationships and time-period-based access schemes before actual spectrum sharing occurs. Network operating entities are pre-configured with priority levels and granted access rights during specific time periods without needing to perform medium-sensing procedures, thereby eliminating the latency and signaling overhead associated with listen-before-talk while maintaining interference avoidance through the pre-established priority framework
2Productivity
If priority-based coordinated access scheme is implemented, then spectrum access efficiency is improved and medium-sensing overhead is reduced, but the system becomes inflexible and cannot adapt to dynamic scheduling requirements
Solution Approach 1:
The patent applies dynamics by introducing dynamic priority adjustment mechanisms that allow network operating entities to change their access priorities in real-time based on current scheduling requirements and network conditions. The system transitions from static predetermined priorities to dynamic priorities that can be modified through signaling between entities, enabling the system to adapt flexibly to changing demands while maintaining the efficiency benefits of priority-based access
Solution Approach 2:
The patent applies parameter changes by modifying the priority parameter of network operating entities dynamically. The priority value is no longer fixed but can be adjusted through control signaling, allowing the system to respond to varying scheduling requirements. This parameter change approach enables entities to transition between different priority levels based on current network state, combining efficiency with adaptability
3Device complexity
If predetermined and semi-static priority configuration is used, then system complexity is reduced and implementation is simplified, but the system cannot respond timely to scheduling requirements of network operators
Solution Approach 1:
The patent applies dynamics by transforming the static priority configuration into a dynamic system where priorities can be adjusted in real-time. The mechanism allows entities to signal their scheduling requirements and receive priority adjustments without requiring complex reconfiguration of the entire system. This dynamic approach maintains relative simplicity while dramatically improving responsiveness to scheduling requirements
Data Source
AI summary
Wireless communications systems and methods related to managing dynamic priority-based spectrum access are provided. A first wireless communication device transmits dynamic priority information for accessing a shared spectrum in a transmission opportunity (TXOP). The shared spectrum is shared by a plurality of network operating entities. The first wireless communication device is associated with a first network operating entity of a plurality of network operating entities. The dynamic priority information indicates an access priority of the first network operating entity among the plurality of network operating entities in the TXOP. The first wireless communication device communicates with a second wireless communication device associated with the first network operating entity in the TXOP based on the dynamic priority information.