UE Scheduling Assistance for Wireless Connection Stability
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Solution Overview
Problem
Current wireless communication networks face challenges in efficiently managing resource allocation and handover processes, leading to delays and data rate drops during connection establishment and handover procedures, especially for high-bitrate services and IoT applications.
Innovation Solution
The method involves providing scheduling assistance information from user equipment (UE) to radio network nodes, which includes data on uplink data waiting, UE power, SINR, CSI reports, QoS, and radio bearers, to enable more precise and opportunistic scheduling, reducing the need for buffer status reports and improving resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional scheduling methods are used during connection establishment and handover, then the network operates with standard resource allocation procedures, but delays and data rate drops occur during connection establishment and handover procedures
Solution Approach 1:
The patent applies preliminary action by having the UE provide scheduling assistance information (such as buffer status, QoS requirements, and channel conditions) to the network node before the actual handover or connection establishment occurs. This allows the network to pre-calculate and prepare optimal scheduling decisions, reducing handover delays and maintaining connection stability without service interruption.
2Reliability
If traditional scheduling methods are used during connection establishment and handover, then the network follows standard resource allocation procedures, but data rate drops occur during connection establishment and handover procedures
Solution Approach 1:
The patent implements feedback by continuously providing scheduling assistance information from the UE to the network node, including real-time channel quality indicators (CQI), buffer status reports, and QoS requirements. This feedback loop enables the network to dynamically adjust resource allocation and modulation schemes during handover and connection establishment, preventing data rate drops and maintaining high throughput throughout the transition.
3Measurement precision
If detailed scheduling assistance information is collected and processed, then more precise and opportunistic scheduling is enabled, but the complexity of the scheduling system increases
Solution Approach 1:
The patent applies segmentation by dividing the scheduling assistance information into distinct categories (buffer status, channel quality, QoS parameters, beam information) and processing each segment separately through dedicated algorithms. This modular approach enables precise scheduling decisions while keeping the overall system complexity manageable, as each information type can be handled by specialized, optimized processing routines rather than a monolithic complex system.
Data Source
AI summary
Embodiments herein disclose e.g. a method performed by a user equipment, UE, (10) for handling establishment of a connection of the UE in a wireless communication network. The UE obtains scheduling assistance information for the UE (10); and transmits to an access node, an indication of the obtained scheduling assistance information, wherein the indication is added in a message from the UE (10) to the access node for establishing the connection of the UE.