Bandwidth Part Allocation for Low-Priority Wireless Devices
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Solution Overview
Problem
Wireless telecommunication networks face challenges in efficiently managing limited bandwidth resources among diverse populations of devices, leading to congestion and saturation, which affects the quality of communication services, particularly for high-priority devices.
Innovation Solution
Implementing bandwidth part (BWP) switching for low-priority devices to utilize a subset of the total channel bandwidth, while ensuring high-priority devices have access to the full bandwidth, based on factors like user type, device type, and network usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the wireless network distributes and allocates finite bandwidth resources among diverse devices, then communication services can be provided to all devices, but network congestion and saturation occur affecting quality of service
Solution Approach 1:
The patent segments the population of wireless devices into different priority groups (high-priority and low-priority devices) and allocates bandwidth resources differently to each segment. This segmentation allows the network to provide service coverage to all devices while ensuring reliable quality of service for high-priority devices by dedicating sufficient bandwidth resources to them.
Solution Approach 2:
The patent applies local quality by providing different quality levels of service to different device groups. High-priority devices receive guaranteed bandwidth allocation with higher quality of service, while low-priority devices receive remaining bandwidth. This differential quality allocation resolves the contradiction between universal service coverage and reliable quality of service.
2Ease of operation
If bandwidth is allocated to all diverse devices, then network accessibility is improved, but bandwidth resources become insufficient leading to congestion
Solution Approach 1:
The patent implements dynamic bandwidth allocation where the bandwidth assigned to low-priority devices adjusts based on network conditions and the bandwidth requirements of high-priority devices. This dynamic approach allows the network to maintain accessibility for all devices while optimizing bandwidth utilization efficiency by allocating more resources to high-priority devices when needed.
3Productivity
If full channel bandwidth is available to all devices, then communication capacity is maximized, but low-priority devices consume excessive bandwidth affecting high-priority device performance
Solution Approach 1:
The patent extracts or reserves a guaranteed portion of bandwidth specifically for high-priority devices, separating it from the total bandwidth pool. This extraction ensures that high-priority devices always have sufficient bandwidth allocation regardless of how much bandwidth low-priority devices consume, thereby maintaining their performance while still allowing low-priority devices to utilize the remaining bandwidth.
Data Source
AI summary
A telecommunication network limits bandwidth usage for devices associated with lower service priority levels, thus conserving physical resources for use by devices with higher service priority levels. Low priority devices can include mobile virtual network operator (MVNO) devices, roaming devices, Internet of Things (IoT) devices, and/or the like. The telecommunication network enforces the limited bandwidth usage if a low priority device is capable of using channel subdivisions (e.g., bandwidth parts (BWPs)), and this device capability is communicated during a UE capability exchange that occurs during a registration process. Core network functions provide a policy that specifies a limited channel bandwidth for a capable low-priority device to a network node of the telecommunication network to which the wireless device is communicably coupled. The network node configures the wireless device to use the limited channel bandwidth according to the policy.