RF Structure Reducing Antenna Complexity via 4-Antenna Switching
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Solution Overview
Problem
Existing radio frequency structures in NSA mode require multiple antennas, leading to increased complexity in antenna design and implementation, particularly in supporting dual connectivity and MIMO technologies.
Innovation Solution
A radio frequency structure comprising a radio frequency front-end module, a switch module, and an antenna module with four antennas, which allows for reduced antenna count and complexity by enabling 4-antenna switching and downlink 4*4 MIMO, while supporting 1T4R SRS antenna round-transmit technology on the NR band and dual-antenna switching on the LTE band.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple antennas are used to support dual connectivity and MIMO technologies, then communication capability is improved, but antenna design complexity increases
Solution Approach 1:
The patent applies multi-functionality by designing a radio frequency structure where four antennas serve multiple purposes: they can be configured for 4-antenna switching, downlink 4x4 MIMO, and 1T4R SRS antenna round-transmit on NR band, while also supporting dual-antenna switching on LTE band. This universal design eliminates the need for separate antenna configurations for different modes, thereby reducing overall antenna design complexity while maintaining enhanced communication capability.
Solution Approach 2:
The patent employs dynamic switching capabilities through the switch module that can dynamically reconfigure the four antennas for different communication modes. The system can switch between 4-antenna switching, 4x4 MIMO, and dual-antenna switching configurations based on operational requirements, allowing the same physical antenna structure to adapt to various communication scenarios without increasing design complexity.
2Productivity
If 4-antenna switching and 4*4 MIMO are implemented, then downlink communication performance is improved, but hardware complexity increases
Solution Approach 1:
The patent merges the functionality of multiple antenna configurations into a unified hardware structure. Instead of having separate antenna systems for 4-antenna switching, 4x4 MIMO, and dual-antenna switching, the design combines all these functions into a single radio frequency structure with four antennas and a switch module. This merging approach achieves enhanced downlink communication performance while minimizing hardware complexity by eliminating redundant components.
Data Source
AI summary
A radio frequency structure includes: a radio frequency front-end module, a switch module, and an antenna module. The radio frequency front-end module includes a radio frequency transceiver, and a first processing module, a second processing module, a third processing module, a fourth processing module, and a fifth processing module that are connected to the radio frequency transceiver. The switch module includes a first switch module and a second switch module. The antenna module includes a first antenna, a second antenna, a third antenna, and a fourth antenna that are used to receive or send radio frequency signals.