Handover Feedback Configuration for 5G Network Optimization
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Solution Overview
Problem
The increased frequency of handovers in 5G networks due to smaller cell radii strains random access resources, challenging network performance optimization.
Innovation Solution
A network node transmits handover configuration information to a wireless device for reporting successful handovers, receives information on handover success or failure, and performs network optimization based on this feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If handovers occur more frequently due to smaller cell radii in 5G networks, then network coverage and capacity are improved, but random access resources become strained and network performance deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where the network node receives handover success/failure information from the wireless device and uses this feedback to perform network optimization. The network node transmits handover configuration information, receives reporting information about successful or failed handovers, and adjusts network parameters based on this feedback to optimize random access resource allocation and improve handover performance in 5G networks with small cell radii.
2Reliability
If handover configuration information and reporting mechanisms are implemented, then network optimization capability is improved, but signaling overhead and system complexity increase
Solution Approach 1:
The patent applies partial action by implementing selective handover reporting based on specific conditions. The network node configures the wireless device to report handover information only when certain criteria are met (e.g., successful handovers, failed handovers with specific failure causes). This partial reporting approach provides sufficient feedback for network optimization while avoiding the excessive signaling overhead that would result from reporting all handover events, thus balancing handover effectiveness with system complexity.
Data Source
AI summary
A method for wireless communications comprising: transmitting, by a network node to a wireless device, a handover configuration information to facilitate reporting of successful handovers associated with the wireless device; receiving, at the network node, information reporting a successful handover associated with the wireless device, wherein the information reporting the successful handover is in accordance with the handover configuration information; and performing network optimization based on the information reporting the successful handover.