Network Slice-Based Random Access Protocol Adaptation
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Solution Overview
Problem
Current mobile communication networks face challenges in efficiently managing and optimizing communication protocols across diverse wireless devices and base stations, particularly in supporting multiple technologies and releases, which affects traffic management and resource allocation.
Innovation Solution
The implementation of a flexible and configurable architecture for mobile communication networks that selectively applies New Radio (NR) protocols based on criteria such as wireless device configurations, traffic load, and packet sizes, allowing for dynamic bandwidth adaptation and carrier aggregation to optimize data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single communication protocol is used across all devices, then device compatibility is improved, but network efficiency and adaptability to diverse device requirements deteriorate
Solution Approach 1:
The patent segments the network into slice-specific domains, where each slice operates with its own optimized protocol configuration. This allows different protocol parameters to be applied to different network slices based on their specific requirements, resolving the contradiction between protocol adaptability and management complexity by localizing protocol decisions to slice level rather than network-wide level.
Solution Approach 2:
The patent implements dynamic protocol configuration where protocol parameters can be selectively applied and modified based on real-time traffic characteristics, device types, and network conditions. This dynamic approach enables the network to adapt protocols to diverse device requirements while maintaining manageable complexity through automated slice-specific policy enforcement.
2Reliability
If network protocols are optimized for specific device types, then communication quality is improved, but compatibility across diverse devices deteriorates
Solution Approach 1:
The patent applies local quality by configuring protocol parameters specifically for each network slice based on the traffic type and device characteristics served by that slice. Each slice receives optimized protocol settings tailored to its specific communication requirements, while the overall network maintains compatibility through the slice isolation mechanism that prevents configuration conflicts between different device types.
3Productivity
If bandwidth is allocated statically, then resource allocation simplicity is improved, but network efficiency and latency deteriorate
Solution Approach 1:
The patent implements dynamic bandwidth allocation within each network slice, allowing resource distribution to adapt automatically to changing traffic demands, device requirements, and network conditions. This dynamic approach improves network efficiency and reduces latency by allocating bandwidth where it is most needed, while the slice-specific configuration framework maintains manageable complexity through localized resource management policies.
Data Source
AI summary
A base station distributed unit (BS-DU) receives, from a wireless device, a random access (RA) preamble based on an RA configuration associated with at least one network slice. The BS-DU sends, to a base station central unit (BS-CU), a radio resource control (RRC) request message for an RRC connection or an area update procedure of the wireless device and an indication of the at least one network slice.