Drone Radio Wave Mapping for Stable Low-Altitude Communication
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Flying vehicles, such as drones, experience unexpected wireless communication disconnections and limited communication distances during low-altitude measurements due to restricted power limits, making it challenging to maintain stable connections and extend communication ranges effectively.
Innovation Solution
A method and system utilizing a flying vehicle to measure radio wave distribution and estimate corresponding radio characteristics by controlling flight paths and adjusting antenna radiation patterns, allowing for improved radio signal reception and extended communication distances by optimizing flight paths and antenna orientations based on measured radio signals and channel models.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the flying vehicle operates under regulatory power limits, then energy consumption is controlled, but communication distance is limited
Solution Approach 1:
The system performs preliminary measurement of radio wave distribution at multiple flight positions before actual communication tasks. By pre-characterizing the radio environment and identifying optimal positions with stronger signal coverage, the flying vehicle can plan communication strategies in advance, extending effective communication distance without increasing power consumption during operation
Solution Approach 2:
The system continuously measures radio signal characteristics and provides feedback to adjust communication parameters. By monitoring radio wave distribution in real-time and adapting transmission power, antenna orientation, or flight path based on measured signal strength, the system maximizes communication distance within regulatory power limits
2Measurement precision
If the flying vehicle flies at low altitude for measurement, then measurement precision is improved, but wireless communication may be disconnected unexpectedly
Solution Approach 1:
The system performs preliminary measurement of radio wave distribution at multiple flight positions before actual communication tasks. By pre-characterizing the radio environment and identifying optimal positions with stronger signal coverage, the flying vehicle can plan communication strategies in advance, extending effective communication distance without increasing power consumption during operation
Solution Approach 2:
The system continuously measures radio signal characteristics and provides feedback to adjust communication parameters. By monitoring radio wave distribution in real-time and adapting transmission power, antenna orientation, or flight path based on measured signal strength, the system maximizes communication distance within regulatory power limits
3Length of stationary object
If the flying vehicle extends communication distance, then communication range is improved, but communication stability deteriorates
Solution Approach 1:
The system performs preliminary measurement of radio wave distribution at multiple flight positions before actual communication tasks. By pre-characterizing the radio environment and identifying optimal positions with stronger signal coverage, the flying vehicle can plan communication strategies in advance, extending effective communication distance without increasing power consumption during operation
Solution Approach 2:
The system continuously measures radio signal characteristics and provides feedback to adjust communication parameters. By monitoring radio wave distribution in real-time and adapting transmission power, antenna orientation, or flight path based on measured signal strength, the system maximizes communication distance within regulatory power limits
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
The solution enables the flying vehicle to design favorable flight paths and adjust antenna orientations, enhancing communication quality and extending communication distances, thereby preventing unexpected disconnections and improving the reliability of wireless communication during aerial tasks.
Implementation Method 1
a radio module configured to receive a number of first radio signals transmitted by a radio signal source
Data Source
AI summary
A method and system of measuring a radio wave distribution of a radio signal source and estimating corresponding radio characteristics by using a flying vehicle is provided. The method includes the following steps. At a number of flight positions during a measurement process, a number of first radio signals transmitted by the radio signal source are measured by the flying vehicle. A position of the radio signal source is estimated according to the first radio signals and a radio channel model. A number of first radio characteristics of the first radio signal are obtained, and a radio wave distribution of the radio signal source is estimated according to the first radio characteristics of the first radio signals and a number of second radio characteristics of a number of second radio signals in the radio wave distribution are estimated according to the first radio characteristics of the first radio signals.