UE Uplink Scheduling With SR Selection by Active UL BWP
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing network resources and reducing power consumption while supporting multiple services with varying priorities and bandwidth requirements in UEs.
Innovation Solution
The implementation of dynamic bandwidth part (BWP) switching and scheduling request (SR) mechanisms in wireless networks, allowing for the activation and deactivation of specific BWPs based on data priority and demand, along with configuring multiple SR configurations to optimize resource allocation and reduce power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple BWPs are configured and dynamically switched based on service requirements, then network resource allocation efficiency is improved, but device complexity increases
Solution Approach 1:
The patent divides the uplink scheduling request mechanism into multiple SR configurations, each associated with a specific BWP. This segmentation allows the UE to independently manage SR resources for different BWPs, simplifying the overall management complexity while enabling efficient resource allocation across multiple service types.
Solution Approach 2:
The patent implements dynamic BWP switching based on service requirements by configuring multiple SR configurations that can be activated or deactivated according to the active BWP. This dynamic approach allows the system to adapt resource allocation to changing service demands without requiring static pre-configuration for all possible scenarios.
2Productivity
If multiple SR configurations are configured for different BWPs, then scheduling request handling efficiency is improved, but power consumption increases
Solution Approach 1:
The patent extracts and activates only the SR configuration corresponding to the currently active BWP, while keeping other SR configurations inactive. This selective activation reduces power consumption by avoiding the continuous monitoring and processing of all SR configurations, while still maintaining the capability to handle scheduling requests efficiently for the active service.
3Manufacturing precision
If SR configuration is tied to active BWP, then resource allocation accuracy is improved, but system adaptability decreases
Solution Approach 1:
The patent creates a universal SR configuration framework where multiple SR configurations are defined, each capable of serving different BWP scenarios. The system can selectively apply the appropriate SR configuration based on the active BWP, achieving both precise resource allocation for the current service and flexibility to adapt to different service types by simply changing which configuration is active.
Data Source
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AI summary
An apparatus to be used in a UE in a mobile communication network to communicate with a base station, includes a memory configured to store a RRC message, and processing circuitry configured to decode the RRC message to obtain BWP configuration information and mapping information, identify one or more UL BWPs and one or more DL BWPs within a carrier bandwidth per Serving Cell based on the BWP configuration information, identify one or more SR configurations which a LCH is mapped to for the UL BWPs based on the mapping information, the LCH being mapped to none or one SR configuration for each of the UL BWPs, identify activation of a UL BWP of the UL BWPs, and encode an SR on a PUCCH based on a SR configuration for the UL BWP.