18290380. Channel Estimation Technique simplified abstract (Telefonaktiebolaget LM Ericsson (publ))

Channel Estimation Technique

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Gustav Almquist of Järfälla (SE)

Jung-Fu Cheng of Fremont CA (US)

Stephen Grant of Pleasanton CA (US)

Channel Estimation Technique - A simplified explanation of the abstract

This abstract first appeared for US patent application 18290380 titled 'Channel Estimation Technique

The abstract describes a method for performing channel estimation in a radio access network between a transmitter and a receiver.

• Initial channel estimation is done for multiple frequency ranges based on received radio signals.
• Signal sequences in each frequency range are used to obtain initial channel estimates.
• A filter is applied to the initial channel estimates, with a length in the frequency domain greater than the lengths of the frequency ranges.
• Filtered channel estimates are obtained for all subcarriers in each frequency range.

Potential Applications: - This technology can be used in wireless communication systems to improve channel estimation accuracy. - It can enhance the performance of radio access networks by providing more reliable channel estimates.

Problems Solved: - Improves the accuracy of channel estimation in radio channels. - Enhances the overall performance of radio access networks.

Benefits: - Increased reliability and accuracy in channel estimation. - Improved performance of wireless communication systems.

Commercial Applications: - This technology can be utilized in 5G networks, IoT devices, and other wireless communication systems to enhance signal processing capabilities and improve overall network performance.

Questions about the technology: 1. How does this method compare to existing channel estimation techniques in terms of accuracy and efficiency? 2. What impact could this technology have on the development of future wireless communication systems?

Original Abstract Submitted

A method of performing channel estimation for a radio channel between a transmitter and a receiver of a radio access network, RAN comprises the step of performing an initial channel estimation () of the radio channel for each of a plurality of frequency ranges (), based on a radio signal received on the radio channel from the transmitter, the radio signal comprising a signal sequence () out of the set of signal sequences () in each of the frequency ranges (), to obtain an initial channel estimate () for each frequency range (), and applying a filter () to the initial channel estimates () for the frequency ranges (), a length () of the filter () in the frequency domain being greater than lengths of the frequency ranges (), to obtain a filtered channel estimate () for all subcarriers () in the respective one of the frequency ranges ().