Antenna System With Bidirectional Power Control And Loss Compensation
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Solution Overview
Problem
Existing antenna systems face challenges in effectively controlling output power at the antenna interface due to long connecting lines between the antenna and the control unit, necessitating a compensator to compensate for signal losses, while also requiring a communication channel for mode switching and efficient power management.
Innovation Solution
An antenna system with a transceiver & control unit connected to a compensator via a bidirectional communication line, allowing direct control of output power at the antenna interface through a variable or fixed gain compensator, and enabling flexible power management and mode switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a compensator is introduced to compensate for signal losses in long connecting lines, then signal attenuation is compensated, but device complexity increases
Solution Approach 1:
A compensator is introduced as an intermediary device between the antenna and control unit to compensate for signal losses in the connecting line. The compensator receives control signals from the control unit and adjusts its gain to offset the attenuation caused by the long connecting line, thereby maintaining signal integrity without requiring the control unit to be physically close to the antenna.
Solution Approach 2:
The system is segmented into distinct functional modules: the antenna, the connecting line, the compensator, and the control unit. This segmentation allows each component to perform its specific function independently, with the compensator handling signal compensation and the control unit handling system control, thereby managing complexity through functional decomposition.
2Ease of operation
If a bidirectional communication line is added for direct control of output power, then control effectiveness is improved, but device complexity increases
Solution Approach 1:
The bidirectional communication line serves multiple functions: it transmits control signals from the control unit to the compensator for output power adjustment, transmits mode switching commands, and enables direct communication for efficient power management. This multi-functionality improves control effectiveness while minimizing the need for separate dedicated communication channels.
3Adaptability or versatility
If the control unit is placed at a distance from the antenna to achieve 360° coverage, then antenna coverage is improved, but connecting line length increases
Solution Approach 1:
The compensator acts as a mediator that enables the control unit to be placed at a distance from the antenna while maintaining effective control. The compensator compensates for the signal losses in the long connecting line, allowing the antenna to be positioned optimally for 360° coverage without being constrained by the need for a short connecting line to the control unit.
Data Source
AI summary
The disclosure relates to an antenna system comprising: a transceiver & control unit configured to control the antenna system and to generate a RF transceiver signal; a compensator connected to the transceiver & control unit through a connecting line, the compensator being configured to compensate for signal losses occurring for the RF transceiver signal in the connecting line between the transceiver & control unit and the compensator; an antenna interface provided at the compensator configured to transmit an antenna output signal with a variable output power; and a bidirectional communication line configured to provide a bidirectional communication between the compensator and the transceiver & control unit, wherein the transceiver & control unit is configured to indicate to the compensator through the bidirectional communication line a desired value of the variable output power to be present at the antenna interface when the antenna output signal is output by the antenna interface.