Related Experiment Video
Updated: Feb 2, 2026
12:14
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
Published on: August 12, 2013
22.5K
Adaptive beam control techniques for airborne free-space optical communication systems
Applied Optics
|November 22, 2018
Summary
This study introduces adaptive beam control techniques to optimize wireless communication by adjusting beam divergence. These methods enhance link availability and reduce power consumption, improving overall system performance.
Area of Science:
- Optical Wireless Communications
- Wireless Communication Systems
- Signal Processing
Background:
- Adaptive beam control is crucial for optimizing wireless communication links.
- Alignment errors between transmitters and receivers can degrade system performance.
- Existing methods may involve high computational complexity for performance optimization.
Purpose of the Study:
- To investigate two adaptive beam control techniques for wireless communication.
- To maximize link availability or minimize transmitter power while maintaining link availability.
- To develop closed-form expressions for link availability and optimal beam divergence angle.
Main Methods:
- Analyzing adaptive beam control techniques with adjustable beam divergence angles.
- Deriving closed-form expressions for link availability and optimal beam divergence.
- Considering generalized two-dimensional Gaussian distribution for alignment errors.
Main Results:
- The study provides simple, closed-form expressions for performance optimization.
- These expressions reduce computational complexity for adaptive beam control.
- Adaptive beam control techniques demonstrate improved system performance across various scenarios.
Conclusions:
- Adaptive beam control techniques effectively enhance wireless communication system performance.
- The derived closed-form expressions facilitate reduced power consumption and faster control operations.
- The findings support the practical implementation of adaptive beam control in wireless systems.
More Related Videos
Related Concept Videos
01:10Control Systems
1.9K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
1.9K
01:03Communication
8.7K
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
8.7K
01:28Communication
9.9K
Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
9.9K
01:25Control Systems: Applications
1.2K
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
1.2K
01:26Feedback control systems
722
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
722
01:17Open and closed-loop control systems
1.7K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.7K