Frequency-Aware Cellular Network for Dynamic 5G Service Differentiation
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Solution Overview
Problem
Existing 5G cellular communication systems face challenges in dynamically adjusting service provision based on changes in frequency bands, leading to inefficiencies in managing diverse traffic scenarios and service differentiation, particularly in dual mode or non-standalone devices.
Innovation Solution
A frequency-aware cellular communication network where mobile devices or radio access network devices proactively notify the core network about frequency band changes, enabling the core network to adjust service accordingly, using enhanced signaling protocols to facilitate real-time policy adjustments and service tier differentiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If 5G networks use higher frequencies to achieve faster speeds and lower latencies, then data transmission performance is improved, but communication range deteriorates
Solution Approach 1:
The system dynamically switches between different frequency bands (low-band, mid-band, high-band) based on real-time network conditions, device capabilities, and service requirements. This dynamic frequency selection allows the network to adaptively balance between achieving high data rates with higher frequencies and maintaining coverage with lower frequencies, resolving the contradiction between speed and range.
2Adaptability or versatility
If the network supports multiple frequency bands for different services, then service versatility is improved, but network complexity increases
Solution Approach 1:
The patent implements frequency-aware service differentiation where specific frequency bands are allocated for specific service types (e.g., high-band for enhanced mobile broadband, low-band for massive IoT). This local quality assignment allows the network to optimize each frequency band for its intended service while maintaining overall versatility, reducing the complexity of managing multi-band networks by creating clear service-frequency mappings.
Solution Approach 2:
The network is segmented into different frequency band groups, each optimized for specific service categories. This segmentation allows independent management and optimization of each frequency band without affecting others, reducing overall network complexity while maintaining service versatility.
3Adaptability or versatility
If dual mode devices communicate with both 4G and 5G antennas, then service adaptability is improved, but device complexity increases
Solution Approach 1:
The system implements self-service mechanisms where the network automatically manages frequency band allocation and service routing for dual-mode devices. The network detects device capabilities and autonomously determines the optimal frequency band and service type, reducing the complexity burden on user devices while maintaining high service adaptability.
Data Source
AI summary
The described technology is generally directed towards a frequency-aware cellular communication network. A mobile device, or a radio access network (RAN) device at a base station in communication with the mobile device, can proactively notify a core network device regarding changes of a frequency band used for communications between the mobile device and the base station. The core network can use received notifications to adjust service provided to the mobile device.