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SamsungGranted patentNetworks & wirelessInterest 3/10

Samsung patents method to clean up wireless signals using reference data

Patent drawing
Patent drawing from the official filing.

This patent describes a way for mobile devices to improve signal quality by using a specific reference signal sent by the network. The device uses this reference to estimate background noise and interference, then adjusts its calculations to remove that noise from the actual data it receives.

Why it mattersIt is a technical improvement to how phones handle weak or crowded signals, which could lead to slightly more stable connections in busy areas.

In the filing’s own words

A user equipment includes a transceiver configured to receive a demodulated reference signal (DMRS) having a predetermined pattern and a downlink signal including data from a base station, and a processor configured to generate estimated interference and noise by estimating interference and noise of a first channel of the DMRS corresponding to first tabs, based on temporary channel estimates corresponding to the DMRS and first channel estimation weights of the first tabs corresponding to a first minimum mean square error (MMSE) scheme, and generate compensated interference and noise by compensating for the estimated interference and noise, based on at least one of the first channel estimation weights.

What exactly they claim (claim 1)

1. A user equipment comprising: a transceiver configured to receive a demodulation reference signal (DMRS) having a predetermined pattern, and a first downlink signal comprising data, from a base station; and a processor configured to generate an estimated interference and noise by estimating interference and noise of a first channel using the DMRS and using a first minimum mean square error (MMSE) scheme, based on temporary channel estimates corresponding to the DMRS and first channel estimation weights corresponding to the first MMSE scheme, and generate compensated interference and noise by compensating for the estimated interference and noise, based on at least one of the first channel estimation weights.

Facts

Company
Samsung (SAMSUNG ELECTRONICS CO., LTD.)
Official title
Equipment configured to compensate for interference and noise and operating method thereof
Patent number
US12771576B2
Application number
18819490
Filed
Aug 29, 2024
Granted
Oct 20, 2026
Inventors
4
Claims
20

Classified under

H04L 25/0204 Electricity & electronicsH04L 5/0048 Electricity & electronicsH04W 72/541 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
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