Cell Channel Occupancy Ratio Sharing for Unlicensed Spectrum Management
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Solution Overview
Problem
Current mobile communication networks face challenges in efficiently managing bandwidth and providing seamless connectivity across different technologies and releases, particularly in supporting a mix of wireless devices with varying capabilities and technologies within a single coverage area.
Innovation Solution
The implementation of New Radio (NR) technology with advanced protocol stacks, bandwidth adaptation, and dual connectivity features allows for flexible configuration of bandwidth parts, carrier aggregation, and efficient resource management across multiple wireless devices and base stations, enabling better support for diverse wireless devices and technologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single coverage area supports a mix of wireless devices with varying capabilities and technologies, then network versatility and connectivity are improved, but network complexity and resource management difficulty increase
Solution Approach 1:
The network bandwidth is segmented into multiple bandwidth parts, each configured for specific device types or technology requirements. This allows the network to provide specialized resource allocations for different wireless devices (e.g., LTE devices, NR devices, IoT devices) while maintaining overall network complexity management through structured division of resources.
Solution Approach 2:
The network infrastructure is designed with universal functionality to support multiple wireless technologies and device capabilities within a single coverage area. The base station can simultaneously manage different radio access technologies, frequency ranges, and device types through a unified control mechanism, enabling one system to serve multiple purposes.
2Productivity
If bandwidth adaptation and dual connectivity features are implemented, then network efficiency and resource management are improved, but device complexity and protocol stack requirements increase
Solution Approach 1:
The network implements dynamic bandwidth adaptation where bandwidth parts can be flexibly allocated, activated, or deactivated based on real-time network conditions and device requirements. This dynamic configuration allows the system to optimize resource utilization without requiring permanent complex protocol structures for all possible scenarios.
Solution Approach 2:
The system changes operational parameters such as bandwidth size, frequency ranges, and connectivity configurations based on network conditions and device capabilities. By dynamically adjusting these parameters rather than maintaining fixed complex structures, the network achieves high efficiency while managing device complexity through adaptive parameter tuning.
Data Source
AI summary
A first base station communicates, with one or more wireless devices, packets via a first cell operating in an unlicensed spectrum. The first base station determines a channel occupancy ration (CR) of the first cell, wherein the CR is for a plurality of time intervals and indicates a ratio of utilization, for transmissions by the first cell, of unlicensed channel resources. The first base station transmits, to a second base station, the CR.