18651889. System and Method for Preamble Detection in MIMO Narrowband Power Line Communications simplified abstract (Texas Instruments Incorporated)

From WikiPatents
Jump to navigation Jump to search

System and Method for Preamble Detection in MIMO Narrowband Power Line Communications

Organization Name

Texas Instruments Incorporated

Inventor(s)

Mostafa Sayed Ibrahim of Dallas TX (US)

Il Han Kim of Allen TX (US)

Tarkesh Pande of Richardson TX (US)

Anuj Batra of Dallas TX (US)

System and Method for Preamble Detection in MIMO Narrowband Power Line Communications - A simplified explanation of the abstract

This abstract first appeared for US patent application 18651889 titled 'System and Method for Preamble Detection in MIMO Narrowband Power Line Communications

The patent application describes a PLC network system and method that utilizes OFDM to generate MIMO frames with suitable preamble portions for backward compatibility with legacy PLC devices and to facilitate various receiver tasks.

  • The system includes a delayed correlation detector and a cross-correlation detector to aid in preamble detection in the presence of impulsive noise and frequency-selective channels.
  • The method allows for robust preamble detection, frame detection, symbol timing, channel estimation, and automatic gain control in a PLC network.
  • The use of OFDM enables the system to provide efficient data transmission over power lines while maintaining compatibility with older devices.
  • The system is designed to address challenges such as impulsive noise and frequency-selective channels in PLC networks.

Potential Applications: This technology can be applied in smart grid systems, home automation, industrial control systems, and IoT devices that rely on power line communication.

Problems Solved: The system addresses issues related to backward compatibility, impulsive noise, and frequency-selective channels in PLC networks.

Benefits: Improved data transmission efficiency, backward compatibility with legacy devices, robust preamble detection, and enhanced performance in the presence of noise and channel impairments.

Commercial Applications: This technology can be utilized by manufacturers of PLC devices, smart home automation systems, industrial control systems, and IoT devices to enhance communication reliability over power lines.

Questions about PLC Network System and Method with OFDM: 1. How does the system ensure backward compatibility with legacy PLC devices? 2. What are the key advantages of using OFDM in generating MIMO frames in a PLC network?

Frequently Updated Research: Researchers are continuously exploring new techniques to further improve the performance and efficiency of PLC networks using OFDM technology.


Original Abstract Submitted

A PLC network system and method operative with OFDM for generating MIMO frames with suitable preamble portions configured to provide backward compatibility with legacy PLC devices and facilitate different receiver tasks such as frame detection and symbol timing, channel estimation and automatic gain control (AGC), including robust preamble detection in the presence of impulsive noise and frequency-selective channels of the PLC network. A PLC device may include a delayed correlation detector and a cross-correlation detector operating in concert to facilitate preamble detection in one implementation.