Scheduling Resource Allocations Ahead of Measurement Gaps
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Solution Overview
Problem
In radio communication systems, measurement gaps disrupt resource allocation procedures, particularly during handover and retransmissions, making it challenging to maintain continuous data transmissions and error control signaling.
Innovation Solution
The system schedules resource allocations ahead of measurement gaps, altering the timing of error control signaling to minimize the impact of these gaps on transmissions between user equipment and base stations, effectively removing the measurement gap from the timing relationships.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If measurement gaps are introduced to permit user equipment to perform measurements, then measurement capability is improved, but resource allocation continuity deteriorates
Solution Approach 1:
The system performs resource allocation in advance before the measurement gap occurs. The base station sends resource allocation signals to user equipment prior to the measurement gap initiation point, ensuring that resource allocation decisions are made before the gap disrupts communication. This preliminary action allows measurements to be performed during the gap without compromising resource allocation continuity.
2Productivity
If resource allocation is performed continuously, then communication efficiency is improved, but measurement performance deteriorates
Solution Approach 1:
The system segments the communication timeline into active communication periods and measurement gap periods. Resource allocation is performed during active periods, while measurement gaps are introduced at specific intervals. This segmentation allows the system to alternate between high-efficiency communication and measurement activities, ensuring both communication efficiency and measurement performance are maintained.
Solution Approach 2:
The system maintains continuous resource allocation processes by performing allocations in advance before measurement gaps. Even though communication is temporarily interrupted for measurements, the resource allocation mechanism remains continuous through ahead-of-time scheduling, ensuring that useful actions (resource allocation) continue without interruption despite the measurement gaps.
3Measurement precision
If measurement gaps are introduced, then measurement capability is improved, but data transmission continuity deteriorates
Solution Approach 1:
Resource allocations are determined and communicated to user equipment before the measurement gap begins. This preliminary resource allocation ensures that data transmission can resume immediately after the measurement gap without interruption or loss of continuity, as the allocation decisions are already in place.
4Reliability
If resource allocation is scheduled ahead of measurement gaps, then transmission continuity is improved, but timing coordination complexity increases
Solution Approach 1:
The base station autonomously determines resource allocations ahead of measurement gaps without requiring complex coordination with user equipment. The system uses pre-configured measurement gap patterns and timing information to automatically schedule resources, reducing the need for intricate inter-device coordination while maintaining transmission continuity.
Data Source
AI summary
An approach is provided for scheduling communication resources to minimize the effects of a measurement gap. The timing between a resource allocation grant for a communication link, corresponding data transmission, and associated error control transmissions is delayed to avoid transmitting data to or receiving data from a user equipment during a measurement gap.