Antenna-Sub Harmonic Mixer Block for Low-Power Terahertz Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication technologies face challenges in achieving high-speed data transmission in the terahertz band, particularly for 6G wireless communication, due to the need for low power consumption and improved integration of antenna-sub harmonic mixers.
Innovation Solution
An antenna-sub harmonic mixer block with a dielectric block, optimized antenna patches, RF switching stages, and filter stages, utilizing Schottky barrier diodes and conductive enclosures, to enable efficient signal processing and low power operation in the terahertz band.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional antenna-sub harmonic mixer designs are used, then basic signal processing function is achieved, but power consumption is high and integration is poor
Solution Approach 1:
The patent combines the antenna and sub-harmonic mixer into a single integrated block structure. The mixer is positioned directly beneath the antenna with aligned active regions, eliminating the need for separate discrete components and interconnections. This merging reduces both power consumption through optimized signal paths and improves integration density.
Solution Approach 2:
The antenna-sub harmonic mixer block serves multiple functions within a single integrated structure: the antenna receives/transmits RF signals, the mixer performs frequency conversion using Schottky barrier diodes, and the shared active regions enable both functions with unified component design. This multi-functionality reduces overall system complexity and power requirements.
2Device complexity
If conventional antenna-sub harmonic mixer designs are used, then basic signal processing function is achieved, but integration is poor
Solution Approach 1:
The integrated antenna-sub harmonic mixer block merges the antenna and mixer functions in close proximity with aligned active regions. This integration reduces the length of interconnections between components, minimizing signal loss and noise pickup, thereby improving the signal-to-noise ratio while achieving better integration.
Solution Approach 2:
The shared active regions serve as an intermediary structure that directly couples the antenna reception function with the mixer conversion function. This intermediary design eliminates the need for separate coupling structures, reducing intermediate connection points where noise could be introduced and improving overall signal integrity.
3Adaptability or versatility
If wideband frequency characteristics are implemented, then broadband signal processing is achieved, but device complexity increases
Solution Approach 1:
The patent achieves wideband frequency characteristics by optimizing the geometric parameters of the integrated antenna-sub harmonic mixer structure. The active regions are designed with specific dimensions and configurations that support broadband operation across multiple frequency bands, eliminating the need for additional components or complex tuning mechanisms.
Solution Approach 2:
The integrated antenna-sub harmonic mixer block is designed to handle multiple frequency bands simultaneously through its unified structure. The shared active regions and coupled design enable the system to process signals across a wide frequency range without requiring separate circuits for different bands, maintaining simplicity while achieving versatility.
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 proposed solution provides a low-power, wideband frequency characteristic antenna-sub harmonic mixer block that enhances integration, reduces power consumption, and improves signal-to-noise ratio, enabling efficient terahertz band communication.
Implementation Method 1
an RF switching stage disposed on the dielectric block, connected to the first antenna patch, and that provides a switching ON/OFF operation in conjunction with the RF ground wire depending on a magnitude of a local signal LO
Implementation Method 2
a conductive enclosure that surrounds the dielectric block on the PCB substrate, and in which only an area vertically overlapping with the antenna is open
Implementation Method 3
an antenna including first antenna patch provided on the dielectric block and having a metal patch and a slot, and a second antenna patch provided on the dielectric block
Implementation Method 4
an LO filter stage provided on the dielectric block, connected to the RF switching stage, and formed of a metal pattern to filter a signal received through the antenna
Data Source
AI summary
Disclosed is an antenna-sub harmonic mixer block, which includes a dielectric block disposed on a PCB substrate having a ground surface, an antenna including first antenna patch provided on the dielectric block and having a metal patch and a slot, and a second antenna patch provided on the dielectric block, spaced apart from the first antenna patch to surround the first antenna patch, and that receives a ground voltage at the same potential as the ground surface of the PCB substrate, an RF ground wire disposed on the dielectric block and connected from the first antenna patch to a surface having the same potential as the ground surface, an RF switching stage disposed on the dielectric block, connected to the first antenna patch, and that provides a switching ON/OFF operation in conjunction with the RF ground wire depending on a magnitude of a local signal LO.