COFDM Wireless Video Transmission

Coded Orthogonal Frequency Division Multiplexing is a digital modulation technique. It is used for wireless video transmission. COFDM has become an essential technology for wireless video transmission systems. It is due to its ability to send high-quality video signals over long distances. And it provides improved resistance to fading and interference.

COFDM divides the video signal into many parallel data streams. It codes each stream using error-correction algorithms. Multiple orthogonal carriers simultaneously send these data streams after their modulation. The many carriers are orthogonal to each other. It means they do not interfere with each other. Even in environments with high noise levels or other sources of interference. It ensures the video signal remains clear and free of errors. The error correction algorithms add redundant information to the video signal. This information can be used to correct the mistakes that occur during transmission. It helps ensure that the video signal remains high-quality.

Advantages of Coded Orthogonal Frequency Division Multiplexing

One of the critical advantages of this technology is its robustness. It can transmit high-quality video signals over long distances. It can reduce interference and improve resistance to fading.

Another advantage of this technology is its low latency. It makes it ideal for real-time video transmission applications. As a digital modulation technique, it transmits data in a digital format. It reduces the transmission latency compared to analog modulation techniques.

The multiple carriers in a coded orthogonal frequency division multiplexing transmission are orthogonal. It means they do not interfere with each other. Even in environments with high noise levels or other sources of interference. And it allows for transmitting high-quality video signals over long distances. And it uses a small amount of bandwidth.

Applications of COFDM Technology

This technology is used for wireless video transmission systems in various applications. These applications include broadcast television, surveillance cameras, and drone-based videography.

Broadcast television transmits high-quality video signals over long distances. It improves resistance to fading and interference compared to other modulation techniques. This makes it an ideal choice for terrestrial television broadcasting.

In surveillance cameras, this technology transmits video signals. These signals are sent from remote cameras to a central monitoring station. And this makes it an ideal choice for surveillance systems in challenging environments.

In drone-based videography, it transmits high-quality video signals. It sends signals from a drone to a remote control station. And also it sends signals with improved resistance to fading and interference. And this makes it an ideal choice for drone-based videography.

Coded orthogonal frequency division multiplexing technology is an efficient and reliable method of wireless video transmission. This makes it an excellent option for various uses. Its robustness to interference, low latency, and ability to send high-quality video signals make it a popular choice.

XINGKAI COFDM Wireless transmission system

XINGKAI COFDM transmitter solutions are brilliant HD wireless image transmission products with low latency. based on COFDM modulation, H.264/H.265 compression, and AES encryption.

It is capable of stable, reliable, and real-time wireless HD image transmission in high-speed movement and urban building occlusion-challenging conditions. And It supports non-line-of-sight communication, with long distance, strong anti-interference ability, low transmission bandwidth, and a slight transmission delay.

Moreover, It can be used in the army, public security, armed police, fire protection, water conservancy, electric power, maritime, customs, radio, and television industries.

The combination of unmanned aerial vehicles (UAV) with unmanned ground vehicles (UGV or USV is one of the most popular applications.