Surface-Mount MIMO Antenna Structure With Bent Feeding Plates
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Solution Overview
Problem
Current antenna structures for wireless communication systems, particularly in 5G networks, face challenges in achieving wideband massive MIMO capabilities and efficient surface mounting, which are essential for enhancing data transmission rates and network density.
Innovation Solution
A surface mountable antenna structure comprising a printed circuit board with strategically bent feeding and ground plates, electromagnetically coupled to antennas, and a supporting dielectric with parasitic elements, allowing for improved electromagnetic coupling and bandwidth performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional antenna structures are used, then manufacturing and installation are simple, but bandwidth performance is limited and surface mounting capability is poor
Solution Approach 1:
The antenna structure is divided into multiple independent feeding plates (first feeding plate, second feeding plate) and ground plates (first ground plate, second ground plate), each with specific bending configurations. This segmentation allows each component to be optimized independently for bandwidth performance while maintaining overall structural functionality.
Solution Approach 2:
The feeding plates and ground plates are configured with specific bending parts that extend in multiple dimensions (first direction, second direction perpendicular to first direction). This multi-dimensional configuration enables the antenna to achieve wideband performance by creating complex electromagnetic coupling paths in three-dimensional space.
2Ease of manufacture
If traditional antenna designs are used, then structural simplicity is maintained, but surface mounting capability is insufficient
Solution Approach 1:
Multiple antenna elements are integrated into a compact structure where feeding plates and ground plates are electromagnetically coupled to multiple antennas (first antenna, second antenna, third antenna, fourth antenna). This merging enables surface mounting of massive MIMO arrays while maintaining individual antenna performance.
Solution Approach 2:
The feeding plates serve multiple functions: they provide electromagnetic coupling to multiple antennas, establish grounding references through bending parts, and enable surface mounting capability. The ground plates similarly serve multiple purposes including reference potential and structural support.
3Reliability
If simple feeding structures are used, then device complexity is low, but electromagnetic coupling efficiency is insufficient for wideband operation
Solution Approach 1:
The feeding plates include bending parts (first bending part, second bending part, third bending part) that create curved electromagnetic paths. These bending configurations enhance electromagnetic coupling between the feeding ports and antennas by optimizing field distribution and reducing impedance discontinuities.
Solution Approach 2:
The bending parts are configured with specific dimensions and orientations (first direction, second direction) to optimize electromagnetic coupling across a wide frequency range. By adjusting the geometric parameters of the bending parts, the structure achieves wideband performance through controlled impedance transformation.
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 structure effectively supports wideband massive MIMO applications, enhancing bandwidth performance and enabling efficient surface mounting, thereby improving productivity and data transmission capabilities.
Implementation Method 1
a first feeding plate including a first bending part electromagnetically coupled to the first antenna, a second bending part electromagnetically coupled to the second antenna
Data Source
AI summary
The present disclosure provides a surface-mountable antenna structure that is applicable to a broadband massive multi-input multi-output (MIMO) unit (MMU) in a wireless communication system. An antenna structure according to an embodiment of the present disclosure comprises: a printed circuit board including a first ground port, a second ground port, and a first feeding port; a first antenna electrically connected to the first ground port; a second antenna electrically connected to the second ground port; and a first feeding plate including a first bending part electromagnetically coupled to the first antenna, a second bending part electromagnetically coupled to the second antenna, and a third bending part electrically connected to the first feeding port.