Four-Way Power Divider Layout for Compact Phased Arrays
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Solution Overview
Problem
The existing power dividers and combiners in phased array systems are too large to be configured in a compact form, making them unsuitable for high-frequency applications like 5G communication systems where space efficiency is crucial.
Innovation Solution
A four-way power divider configuration with an input-terminal inductor and an inductor group of four output-terminal inductors, connected through connectors to form nodes between the input port and inductor group, reducing the overall size while maintaining performance similar to conventional power dividers and combiners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional power dividers and combiners are configured using inductors, then power distribution and isolation performance are achieved, but the device occupies a large space
Solution Approach 1:
The patent combines multiple inductor functions into a single integrated inductor structure. The inductor serves multiple purposes: it provides impedance matching, power division, and port isolation simultaneously. This merging of functions reduces the number of discrete components needed, thereby reducing overall device volume while maintaining power distribution performance
Solution Approach 2:
The inductor in the patent is designed as a multi-functional component that performs impedance transformation, power splitting, and isolation between ports. By making the inductor universal in its functionality, the patent eliminates the need for separate components for each function, thus reducing device volume without compromising performance
2Adaptability or versatility
If inductors are used to configure power dividers and combiners in phased array systems, then signal transmission and reception in multiple directions is enabled, but the device occupies a large space
Solution Approach 1:
The patent integrates multiple signal path functions into a single inductor structure that handles multiple directions of signal transmission and reception. The inductor is configured to provide coupled connections between multiple ports, enabling multi-directional capability while occupying minimal space compared to conventional multi-component implementations
Data Source
AI summary
Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. The present invention relates to a technique for implementing, in a compact form, a four-way power divider and combiner for a phased array system. More particularly, according to one embodiment of the present invention, a power divider including one input port and four output ports comprises an input terminal inductor having one end connected to the input port and the other end connected to the ground, an inductor group including four output terminal inductors, and four connection units for connecting the input port and the inductor group, wherein four secondary inductors are respectively connected to the four connection units so that four nodes are formed between the four connection units and the inductor group, and the output ports are respectively disposed on the four connection units between the input port and the inductor group.