High Frequency Antenna Array Subarray Spacing for 20-45 GHz
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional high frequency antennas are inadequate for frequency bands above 20-45 GHz, as they are designed for lower frequency bands like 2.6 GHz, and there is a need for a new design that can effectively operate in higher frequency ranges.
Innovation Solution
A high frequency antenna device with a substrate and antenna array, featuring multiple subarrays of antennas arranged in specific intervals, allowing for various operation modes, including single subarray and cooperative subarray communication, to adapt to different communication distances and improve performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional high frequency antenna design is used, then the antenna can be manufactured with existing technology, but it cannot operate effectively in the 20-45 GHz frequency band
Solution Approach 1:
The patent changes the physical parameters of the antenna structure, specifically the spacing between antenna elements and the dimensions of the radiating elements, to optimize performance for the 20-45 GHz frequency band. The antenna elements are spaced at intervals of λ/2 to λ/4 where λ is the wavelength at the operating frequency, which differs from conventional lower-frequency antenna designs.
Solution Approach 2:
The antenna array is divided into multiple independent antenna elements that can be individually controlled and combined. This segmentation allows the system to achieve beamforming capabilities and adapt to different frequency bands by selectively activating and combining signals from different elements, enabling effective operation in the 20-45 GHz range.
2Adaptability or versatility
If multiple operation modes are implemented, then the antenna can adapt to different communication distances, but the device complexity increases
Solution Approach 1:
The antenna array is designed to perform multiple functions through a single unified structure. The same physical antenna elements can operate in different modes (single-subarray mode, dual-subarray mode, full-array mode) depending on the communication requirements. This multi-functionality is achieved through software-controlled signal processing rather than requiring separate physical antenna systems for each mode.
Solution Approach 2:
The antenna system dynamically adjusts its operational characteristics by changing which subarrays are active and how their signals are combined. The system can transition between different operation modes in real-time based on the position and requirements of external devices, with the control system adapting the beamforming weights and active elements accordingly.
Data Source
AI summary
An antenna array of a high frequency antenna device includes a plurality of subarrays having the same arrangement. Each subarray includes antennas arranged in rows. Any two adjacent antennas of each of the subarrays respectively have two central points spaced apart from each other by a first interval, and any two adjacent antennas respectively belonging to two of the subarrays respectively have two central points spaced apart from each other by a second interval equal to the first interval. The antenna array is operated in at least one of operation modes, and the operation modes include: any subarray is wirelessly communicated with an external electronic device spaced apart from the corresponding subarray by a first distance; and at least two adjacent subarrays are jointly cooperated to wirelessly communicate with an external electronic device spaced apart from the corresponding subarrays by a second distance greater than the first distance.