Base Station Spectrum Allocation via Neighbor Broadcast
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Solution Overview
Problem
Current spectrum allocation methods in wireless communications result in low spectrum resource utilization due to inefficient use of temporarily idle frequency bands, leading to mutual interference between devices of different operators.
Innovation Solution
A method and device where a base station determines the usage of a preferred frequency band by obtaining broadcast information from other base stations, allowing it to adjust its own frequency band usage to maximize resource utilization without interference, by transmitting data on unused bands and exiting from used bands as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a device of one operator uses a preferred frequency band temporarily idle for another operator, then spectrum resource utilization is improved, but mutual interference occurs between devices of different operators
Solution Approach 1:
The patent implements a feedback mechanism where base stations broadcast frequency band usage information to neighboring base stations. This allows operators to dynamically adjust their frequency band usage based on real-time information about other operators' usage, enabling efficient spectrum utilization while preventing interference through continuous monitoring and adjustment.
Solution Approach 2:
The patent introduces broadcast information as an intermediary that mediates between different operators' frequency band usage decisions. By transmitting usage information through this intermediary channel, base stations can coordinate their spectrum usage without direct interference, allowing one operator to use another's idle frequency band while maintaining system-wide coordination.
2Object-affected harmful factors
If a device releases a temporarily used frequency band resource, then interference is avoided, but spectrum resource utilization ratio decreases
Solution Approach 1:
The patent implements dynamic frequency band allocation where base stations continuously monitor broadcast information about other operators' frequency band usage and adjust their own usage accordingly. This dynamic approach allows devices to temporarily use frequency bands when idle without causing interference, and only release them when another operator needs them, optimizing both interference avoidance and spectrum utilization.
Solution Approach 2:
The patent uses broadcast information to provide preliminary knowledge about other operators' frequency band usage intentions. By receiving this advance information, base stations can proactively adjust their frequency band usage to avoid future interference, rather than reactively releasing bands after interference occurs, thereby maintaining higher spectrum utilization ratios.
Data Source
AI summary
Embodiments of the present invention relate to a spectrum allocation method and device. The method includes: determining, by a first base station, according to first broadcast information sent by at least one second base station, usage of a preferred frequency band of the at least one second base station; and determining, by the first base station, according to the usage of the preferred frequency band of the at least one second base station, use of the preferred frequency band of the at least one second base station by the first base station. Therefore, it is implemented that a spectrum resource utilization ratio is improved.