Dual-Antenna Downtilt Control on a Shared Panel
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Solution Overview
Problem
Antenna panels are scarce resources, and integrating multiple antennas on the same panel results in inconsistent downtilts, limiting communication flexibility and coverage adjustment.
Innovation Solution
The antenna system includes two antennas that can rotate to adjust mechanical downtilts, with separate modulators for electrical downtilt adjustments, allowing independent control of signal coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If two or more antennas are integrated on the same antenna panel, then antenna panel resources are saved, but downtilts of the antennas cannot be individually adjusted and communication flexibility is severely affected
Solution Approach 1:
The antenna system is divided into multiple independent antenna units, each with its own modulator and control mechanisms. This segmentation allows each antenna to independently adjust its downtilt and coverage area while sharing the same physical panel, thus resolving the contradiction between resource conservation and flexibility.
Solution Approach 2:
The patent introduces dynamically adjustable parameters including mechanical downtilt (through physical rotation of antenna elements) and electrical downtilt (through modulator adjustments). These dynamic adjustments enable each antenna to adapt its coverage independently, maintaining communication flexibility while integrating multiple antennas on a single panel.
2Ease of manufacture
If downtilts of integrated antennas are made consistent, then antenna panel integration is simplified, but signal coverage cannot be individually adjusted
Solution Approach 1:
Each antenna unit is equipped with local control capabilities through individual modulators and mechanical adjustment mechanisms. This allows local optimization of downtilt and coverage for each antenna position, enabling independent signal coverage adjustment while maintaining overall system integration on a unified panel structure.
Data Source
AI summary
This disclosure provides an antenna system to improve communication flexibility. The antenna system includes a radio frequency unit, a divider, a first modulator, a second modulator, a first antenna and a second antenna. The radio frequency unit is configured to generate a first radio frequency signal. The divider is configured to divide the first radio frequency signal into first and second radio frequency sub-signals. The first modulator is configured to adjust a first electrical downtilt of the first radio frequency sub-signal and send the adjusted first radio frequency sub-signal to the first antenna for transmission. The second modulator is configured to adjust a second electrical downtilt of the second radio frequency sub-signal and send the adjusted second readio frequency sub-signal to the second antenna for transmission. The adjustion is based on a target downtilt of the first radio frequency signal and a mechanical downtilt of the first or second antenna.