Multi-Mode RF PA Module With Power Combining for 2G and 4G
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Solution Overview
Problem
Current wireless communication networks face challenges in maintaining sufficient transmission power across different communication modes, leading to poor transmission quality and reliability, especially in 4G networks, due to the need for compatibility with various signal modes which results in reduced power for some modes.
Innovation Solution
The RF PA Mid device integrates a first switch, multiple power amplifiers, and a power combiner to selectively amplify and combine high-frequency and intermediate-frequency signals, ensuring target power levels are met for both 2G and 4G communication modes, reducing the need for multiple RF transmission modules and minimizing signal loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple communication modes are supported for compatibility, then adaptability is improved, but transmission power deteriorates
Solution Approach 1:
The patent segments the power amplification process by introducing a power amplifier module that can selectively amplify signals of different communication modes. The module divides the amplification task into separate processing paths for different modes, allowing each path to achieve optimal power levels without compromising other modes.
Solution Approach 2:
The patent changes the power parameter dynamically based on the communication mode. The power amplifier module adjusts amplification parameters selectively for different modes (e.g., 2G, 4G), enabling high transmission power for specific modes while maintaining compatibility with others. This selective parameter adjustment resolves the contradiction by allowing mode-specific power optimization.
2Adaptability or versatility
If multiple RF transmission modules are used to support different modes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent implements a universal power amplifier module that can handle multiple communication modes (2G, 4G, etc.) through selective signal processing. This single multi-functional module replaces what would otherwise require multiple dedicated modules, reducing device complexity while maintaining adaptability across different communication standards.
Solution Approach 2:
The patent merges the power amplification functionality for different communication modes into a single integrated module. By combining the amplification paths and sharing common components (such as the power combiner and control logic), the system achieves multi-mode support with reduced complexity compared to having separate modules for each mode.
3Power
If multiple RF transmission modules are deployed to ensure sufficient power for each mode, then transmission power is improved, but space occupation increases
Solution Approach 1:
The patent merges multiple power amplification functions into a single integrated module, significantly reducing the space required compared to deploying separate modules for each communication mode. The shared components (power combiner, control unit, and amplification stages) occupy less physical space while delivering sufficient power to multiple modes simultaneously through selective activation.
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
This solution enhances transmission power and communication distance by up to 20-25% for 2G and 4G signals, improving integration and reducing space and wiring length, while maintaining compliance with communication standards.
Implementation Method 1
each of the plurality of first power amplifiers is configured to support amplification processing of the high-frequency signal and the intermediate-frequency signal
Implementation Method 2
the first power combiner is configured to combine output powers of the plurality of first power amplifiers to output an intermediate-frequency signal with target power or a high-frequency signal with target power
Data Source
AI summary
Provided are a RF PA Mid device, a RF system and a communication device. The RF PA Mid device is arranged with a first input port, a second input port and a first antenna port, and includes: a first switch unit configured to selectively output a high-frequency signal of a first model or an intermediate-frequency signal of a second mode; a plurality of first power amplifiers, each thereof being configured to support amplification processing of the high-frequency signal and the intermediate-frequency signal; and a first power combiner. A plurality of input ends of the first power combiner are respectively connected to output ends of the first power amplifiers in one-to-one correspondence, and an output end of the first power combiner is connected to the first antenna port, so as to combine output power of the first power amplifiers to output the intermediate-frequency signal or high-frequency signal with target power.