Guard Band Width Determination for Wireless Spectrum Coexistence
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Solution Overview
Problem
In wireless communication systems, managing spectrum resources among different radio access technologies (RATs) is challenging due to interference issues, as base stations and user equipment using various RATs have distinct transmitter radiation template specifications and interference requirements, leading to co-frequency/adjacent-frequency interference guard requirements that are difficult to coordinate.
Innovation Solution
An electronic apparatus and method that determine the width of a guard band between spectrum resources allocated to different radio access technologies based on interference conditions, using processing circuitry to analyze interference overlapping maps and adjust spectrum allocations dynamically to minimize interference between systems using different RATs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If spectrum resources are allocated to multiple radio access technologies in the same region, then spectrum utilization efficiency is improved, but interference between different RATs increases
Solution Approach 1:
The spectrum band is segmented into multiple sub-bands, with guard bands inserted between different radio access technology systems. This segmentation isolates interfering signals while maintaining overall spectrum utilization, allowing multiple RATs to coexist in the same region without excessive interference.
Solution Approach 2:
Guard bands serve as intermediary frequency regions between different RAT systems. These intermediary bands act as buffers that reduce direct interference between adjacent RAT allocations, enabling co-frequency or adjacent-frequency operation of multiple radio access technologies.
2Object-affected harmful factors
If guard band width is increased to reduce interference between different RATs, then interference mitigation is improved, but spectrum resource loss increases
Solution Approach 1:
Guard band widths are configured locally based on specific interference conditions between different RAT pairs rather than applying a uniform wide guard band across all allocations. The spectrum management device determines appropriate guard band widths for each specific RAT combination and geographic region, minimizing unnecessary spectrum loss while providing sufficient interference protection where needed.
Solution Approach 2:
The guard band width parameter is dynamically adjusted based on interference measurements and system requirements. The spectrum management device can modify guard band configurations to optimize the balance between interference mitigation and spectrum utilization efficiency, changing parameters according to actual operating conditions rather than using fixed values.
Data Source
AI summary
The present invention provides an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: determine a first resource application system and a second application system which interfere with each other in management ranges of spectrum management apparatuses and respectively use different wireless access technologies; and determine, according to the interference situation between the first resource application system and the second resource application system, the width of a guard band between spectrum resources allocated for the first resource application system and the second resource application system.