Phased Array RF Circuit Layout for Lower-Power Signal Distribution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge in developing large-scale phased array antennas is the need for a substrate with improved planarity and cost-effective RF circuits that consume less power and provide better signal processing performance.
Innovation Solution
A wireless communication system is proposed with a phased array antenna configuration that includes RF chips arranged in a row, connected by a straight transmission line to resistive loads, allowing for efficient signal distribution and reduced power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large-scale phased array antenna is deployed to achieve higher gain and beam steering capability, then the antenna performance is improved, but the substrate area required increases significantly
Solution Approach 1:
The patent divides the large-scale phased array antenna system into multiple independent RF chips, each handling a subset of antenna elements. This segmentation allows the system to achieve high performance while distributing the substrate area requirements across multiple smaller, manageable units rather than requiring one large substrate.
2Reliability
If conventional RF circuit architectures are used to support the antenna array, then the system can operate, but power consumption increases and circuit density decreases
Solution Approach 1:
The patent combines multiple RF circuit functions into integrated RF chips, merging signal processing operations that were previously distributed across separate components. This consolidation reduces the number of discrete circuits required, thereby decreasing overall power consumption while improving circuit density and signal processing efficiency.
3Reliability
If conventional RF circuit architectures are used to support the antenna array, then the system can operate, but manufacturing cost increases
Solution Approach 1:
By segmenting the RF circuitry into standardized RF chips, the patent enables modular manufacturing approaches. Each chip can be manufactured independently using standard processes, then assembled into the complete antenna system. This segmentation simplifies manufacturing, reduces overall cost, and improves yield compared to manufacturing a single large integrated system.
Data Source
AI summary
A wireless communication system includes a plurality of antennas, and a plurality of RF chips, arranged in a row and coupled to the antennas, for providing a plurality radio-frequency (RF) output signals to the antennas according to an RF signal. The wireless communication system also includes a transmission line arranged to be a straight line in parallel to the row, and to connect to the RF chips, and a resistive load, coupled to a first end of the transmission line. A second end of the transmission line is arranged to receive the RF signal.