Antenna Branch Layout for Wider 5G Bandwidth and Resonance Tuning
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Solution Overview
Problem
Existing communication terminals face challenges in achieving multiple resonance frequencies and increasing bandwidth for electromagnetic signals, particularly with the advancement of 5G communication.
Innovation Solution
An antenna assembly is designed with a parasitic branch arranged at a second branch, forming a second slot with the second branch, and configured with specific branch lengths and slots to enhance bandwidth and resonance frequencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional single-branch antenna structure is used, then the structure is simple, but the bandwidth and resonance frequency coverage are limited
Solution Approach 1:
The antenna is divided into multiple independent branches (first branch, second branch, third branch, and parasitic branch), each capable of resonating at different frequencies. This segmentation allows the antenna to cover multiple frequency bands simultaneously while maintaining a relatively simple overall structure based on the base frame.
Solution Approach 2:
The parasitic branch is arranged within the layout region of the base frame, nested alongside the main radiation branches. This nested arrangement increases the functional complexity and bandwidth coverage without significantly increasing the external dimensions of the antenna assembly.
2Reliability
If the antenna structure is simplified, then the manufacturing is easier, but the communication performance and transceiving capability are reduced
Solution Approach 1:
Multiple functional branches (radiation elements and parasitic element) are integrated onto a single base frame structure. This merging approach improves communication performance by providing multiple resonance frequencies and better impedance matching, while the unified base frame simplifies manufacturing compared to assembling multiple separate components.
3Adaptability or versatility
If multiple resonance frequencies are achieved through additional branches, then the bandwidth increases, but the device complexity increases
Solution Approach 1:
Different branches are designed with specific local characteristics (lengths, positions, and configurations) to resonate at different frequencies. The parasitic branch is strategically positioned to create a second slot that complements the first slot, providing targeted frequency coverage without requiring a complete redesign of the entire antenna structure.
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 antenna assembly improves communication performance by increasing bandwidth and adaptability to different frequency bands, facilitating efficient assembly and impedance matching.
Implementation Method 1
a parasitic branch having a ground point, where the parasitic branch is arranged in the layout region and forms a second slot with the second branch
Implementation Method 2
the antenna assembly improves communication performance by increasing bandwidth and adaptability to different frequency bands
Data Source
AI summary
Disclosed in the embodiments of the present disclosure are an antenna assembly and a communication terminal, where a base frame is provided with a layout region, and a radiation pattern and a parasitic branch are arranged together on the layout region. Thus, in an aspect, when the communication terminal is assembled, it is convenient to observe the connection between a feed point and a ground point of the antenna assembly, thereby improving the assembly efficiency of the communication terminal. In another aspect, a parasitic branch is arranged near a second branch, so that the antenna has a larger bandwidth in a high frequency band. In yet another aspect, configuring a shape of a first slot, a second slot, and the parasitic branch enables direct adjustment to a resonance frequency of the antenna, which improves the adaptability of the antenna to different applications.