Lateral UWB Antenna Module Layout for Thin Portable Terminals
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Solution Overview
Problem
The challenge is to integrate a UWB antenna module into a portable terminal with limited space, while minimizing signal loss and avoiding performance degradation due to metal substrates.
Innovation Solution
A UWB antenna module is designed to be mounted in the lateral direction of the portable terminal, featuring a planar base substrate with radiation patterns on the upper surface and a communication chipset and switching element on the lower surface, minimizing signal loss by reducing the signal path length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the UWB antenna module is disposed in the direction of the rear cover, then the mounting space is simplified, but the communication performance is lowered by metal substrates such as the rear cover
Solution Approach 1:
The patent changes the mounting orientation from the conventional rear cover direction (vertical dimension) to the lateral direction (horizontal dimension). This dimensional change allows the antenna to be positioned away from metal substrates that would interfere with signal propagation, thereby maintaining communication performance while still utilizing available space efficiently.
2Length of moving object
If the portable terminal thickness is reduced to 7-9 mm, then the portability is improved, but it becomes difficult to mount an antenna with thickness exceeding 1 mm
Solution Approach 1:
The antenna module is designed with a planar structure that can be nested within the lateral space of the terminal. The base substrate with radiation patterns is configured to fit within the thin profile of the terminal, allowing the antenna to be housed without increasing the overall thickness beyond 9 mm while still providing sufficient volume for the antenna elements.
3Device complexity
If the UWB antenna and communication chipset are separated and installed on different locations, then the functional layout is simplified, but signal loss occurs in the signal delivery process
Solution Approach 1:
The patent integrates the communication chipset directly onto the base substrate of the antenna module, merging the antenna elements and signal processing components into a single unified structure. This integration eliminates separate signal transmission paths between the antenna and chipset, thereby minimizing signal loss while maintaining clear functional separation between radiation patterns and electronic components.
Data Source
AI summary
Disclosed is a UWB antenna module arranged in the lateral direction of a portable terminal so as to prevent deterioration of communication performance while minimizing a mounting space. The disclosed UWB antenna module comprises: a planar base substrate; a plurality of radiation patterns arranged on the upper surface of the base substrate, and arranged so as to be spaced from each other; a switching element arranged on the lower surface of the base substrate and connected to the plurality of radiation patterns; and a communication chipset arranged to be spaced from the switching element on the lower surface of the base substrate, and connected to one of the plurality of radiation patterns through a switching operation of the switching element.