Integrated RF Waveguide Structure for Low-Loss Signal Distribution
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Solution Overview
Problem
Existing RF communication devices face challenges in efficiently distributing radio frequency signals across phased antenna arrays with low loss and cost-effectiveness, particularly in shared transceiver and baseband functionalities across sector antenna arrays.
Innovation Solution
A structure with a first face and a second face connected via through-holes forming a waveguide medium, allowing for low-loss and wide-bandwidth distribution of RF signals, providing mechanical support and thermal management, and enabling flexible integration with external RF circuitries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional RF signal distribution methods are used, then device complexity is reduced, but signal loss increases and bandwidth is limited
Solution Approach 1:
The patent merges the RF signal distribution function with the mechanical support structure by integrating waveguide channels directly into the housing. This eliminates the need for separate RF cables and external waveguide structures, thereby reducing RF signal loss while avoiding proportional increases in device complexity.
Solution Approach 2:
The housing structure serves multiple functions simultaneously: it provides mechanical support, thermal management, and RF signal distribution through integrated waveguide channels. This multi-functionality reduces the need for additional components, maintaining device complexity at acceptable levels while improving RF signal performance.
2Temperature
If separate mechanical support and heat sinks are added, then thermal management is improved, but device complexity and cost increase
Solution Approach 1:
The housing is designed to simultaneously provide mechanical support and thermal management functions. The waveguide channels are thermally coupled to heat sinks integrated into the housing, allowing the same structure to serve both RF signal distribution and thermal management purposes without adding separate mechanical support elements.
Solution Approach 2:
The patent combines the thermal management function with the RF distribution structure by integrating heat sinks directly into the housing walls at the waveguide aperture locations. This merging eliminates the need for separate external heat sinks and mounting structures, improving thermal management while avoiding increases in device complexity.
3Adaptability or versatility
If phased antenna arrays are divided into sector antenna arrays, then transceiver functionality is shared and costs are reduced, but RF signal distribution loss increases
Solution Approach 1:
The patent segments the phased antenna array into multiple sector antenna arrays, each with its own waveguide channels feeding from common RF sources. This segmentation enables transceiver sharing across sectors while the integrated waveguide structure minimizes RF signal loss compared to traditional cable-based distribution.
Solution Approach 2:
The integrated waveguide channels act as intermediaries between the shared transceiver components and the distributed sector antenna arrays. These waveguide channels provide low-loss RF signal transmission paths, enabling effective transceiver sharing across multiple sectors without the high signal loss associated with traditional cable-based distribution.
4Adaptability or versatility
If more apertures and through-holes are added for RF circuitry integration, then design flexibility is improved, but manufacturing complexity increases
Solution Approach 1:
The patent utilizes parameters of the housing structure (wall thickness, aperture positions, through-hole dimensions) that can be adjusted within standard manufacturing tolerances to accommodate different RF circuitry configurations. This allows design flexibility for various aperture arrangements without requiring complex custom manufacturing processes.
Solution Approach 2:
The waveguide channels are positioned at specific locations in the housing walls where RF circuitry integration is required. This localized approach allows apertures and through-holes to be added only where needed for RF signal distribution, rather than requiring comprehensive modifications throughout the entire structure, thereby maintaining ease of manufacture while providing design flexibility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The structure enables cost-efficient, high-bandwidth, and low-loss RF signal distribution, reducing the need for additional mechanical support and heat sinks, while allowing for flexible design and integration with RF communication devices.
Implementation Method 1
through-holes embedded in the structure and having an electrically conducting inner wall and configured to form a waveguide medium for carrying radio frequency, RF, signals between the at least one first aperture and the plurality of second apertures
Implementation Method 2
the structure or part of it may be made of a thermally conductive material, such as aluminium or copper, so that it may function as a heat sink. The structure thus enables the dissipation of thermal energy from the RF circuitries
Data Source
AI summary
A structure includes a first face with at least one first aperture and a second face with a plurality of second apertures. The at least one first aperture is connected to the second apertures via through-holes embedded in the structure and having an electrically conducting inner wall and configured to form a waveguide medium for carrying radio frequency, RF, signals between the at least one first aperture and the plurality of second apertures. The at least one first aperture is configured to interface with at least one first external RF circuitry for processing RF signals and the plurality of the second apertures are arranged to interface with a plurality of second external RF circuitries for transmission and/or reception of RF signals. Embodiments may relate to a radio frequency, RF, communication device employing the structure.