Uplink Control Channel Bandwidth Management via Dynamic BWP Adjustment
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Solution Overview
Problem
Wireless networks face challenges in managing bandwidth allocation efficiently, particularly when the capacity usage of the uplink control channel exceeds thresholds, leading to potential network overload.
Innovation Solution
The method involves monitoring the capacity usage of the uplink control channel and implementing a series of mitigations, including lowering Bandwidth Parts (BWP) in secondary carriers for roaming and heavy bandwidth users, and downgrading carrier aggregation levels as necessary, to manage bandwidth allocation effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple carriers are deployed to improve network capacity and user performance, then data transmission speed and available resources increase, but network overload occurs when all users simultaneously access all carriers
Solution Approach 1:
The patent implements dynamic bandwidth part (BWP) adjustment and carrier aggregation level modification based on real-time uplink control channel capacity usage. The system dynamically adapts the bandwidth allocation and carrier aggregation configuration for different user types (roaming users, heavy bandwidth users, home network users) to prevent network overload while maintaining high data transmission speeds when capacity is available
Solution Approach 2:
The patent applies differentiated bandwidth management strategies for different user categories. Roaming users and heavy bandwidth users receive prioritized bandwidth allocation and carrier aggregation support, while home network users receive standard allocation. This local differentiation ensures that critical users maintain high performance while preventing overall network saturation
2Adaptability or versatility
If bandwidth allocation is increased to serve more users simultaneously, then network coverage and user accessibility improve, but uplink control channel capacity is exceeded leading to congestion
Solution Approach 1:
The patent segments the uplink control channel capacity management by user type and carrier. Different bandwidth parts are allocated for different user categories (roaming users, heavy bandwidth users, home network users), and carrier aggregation is selectively applied. This segmentation allows the system to serve more users simultaneously while keeping the uplink control channel capacity usage manageable for each segment
3Productivity
If carrier aggregation is enabled for all users to maximize data throughput, then communication performance improves, but network management complexity increases during high load conditions
Solution Approach 1:
The patent implements dynamic carrier aggregation level adjustment based on real-time network conditions and user type. The system automatically modifies carrier aggregation configuration for roaming users, heavy bandwidth users, and home network users depending on uplink control channel capacity usage, eliminating the need for manual network management interventions during high load conditions
Data Source
AI summary
Systems and methods are provided for managing bandwidth in a wireless network. The methods include monitoring a capacity usage of an uplink control channel. The methods further include lowering a bandwidth part (BWP) in one or more secondary carriers for users if the capacity usage is still above the threshold, and then downgrading a carrier aggregation level for the users if the usage capacity is still above the threshold. This process may be performed on roaming and high bandwidth users first before proceeding to regular home network users if the usage capacity of the uplink control channel is still above the threshold.