Active Antenna System Variable RF Filtering Adaptation
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Solution Overview
Problem
Active antenna systems face challenges in adapting to varying radio frequency signal filtering requirements across different countries and operators, as existing designs are compact and do not allow for easy insertion of additional filter parts, necessitating multiple product designs for different markets.
Innovation Solution
Incorporating an intermediate filter or customized passive part between the active and radiator parts within a sealed enclosure, allowing for flexible adaptation to local and global radio frequency signal filtering needs without modifying individual components, enabling compliance with diverse communication standards and facilitating easy upgrades.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If active antenna systems use a compact design with active and radiator parts integrated together, then device size is reduced and manufacturing is simplified, but additional filter parts cannot be inserted and country-specific RF filtering requirements cannot be met
Solution Approach 1:
The active antenna system is divided into three separate modules: an active part containing RF components, a radiator part with antenna elements, and an intermediate part that can be configured with different filter parts. This segmentation allows each module to be optimized independently while enabling flexibility in the intermediate section to meet different country-specific RF filtering requirements without redesigning the entire system.
Solution Approach 2:
An intermediate part is introduced between the active part and radiator part, serving as a mediator that can accommodate different filter configurations. This intermediate section acts as a flexible interface that enables insertion of country-specific filter parts while maintaining the compact integrated design of the overall AAS system.
2Adaptability or versatility
If multiple product designs are created to meet different country-specific RF filtering requirements, then compliance with local regulations is achieved, but production costs and testing efforts increase
Solution Approach 1:
The active part, radiator part, and intermediate part are designed as universal modules that can be used across different markets. By standardizing these core components and only varying the filter part in the intermediate section, the system achieves multi-functionality and compliance with different country-specific RF requirements while maintaining economies of scale in production and testing.
Solution Approach 2:
Instead of creating entirely different products for each market, only the local-specific filter part in the intermediate section is customized for each country's RF requirements. The core active and radiator parts remain identical across all versions, reducing manufacturing complexity and testing burden while still achieving local compliance.
3Device complexity
If filter parts are integrated directly into the active antenna system without separate interfaces, then device complexity is reduced, but future upgrades and adaptations become difficult
Solution Approach 1:
The system is segmented into modular components with clearly defined interfaces. The intermediate part serves as a dedicated interface section that can be easily reconfigured with different filter parts for upgrades or adaptations, while the active and radiator parts maintain their simplified integrated designs.
Solution Approach 2:
The intermediate part is designed with dynamic reconfigurability, allowing filter parts to be added, removed, or changed based on evolving RF requirements. This dynamic interface maintains low overall system complexity while enabling easy future upgrades without redesigning the entire AAS.
Data Source
AI summary
Antenna systems, such as an active antenna system (AAS), can include active and passive electronic components located closely together inside an antenna system. Such systems may benefit from variable adaptation of active antenna system radio frequency signal filtering. An apparatus can include an active part on a first end of a signal path within a sealed enclosure. The apparatus can also include a radiator part on a second end of the signal path within the sealed enclosure. The apparatus can further include an intermediate part, which includes at least one of an additional filter part or a customized passive part, positioned between the active part and the radiator part along the signal path between the first signal side and the second signal side.