EQUALIZER ASSISTED POLYNOMIAL BASED LINEARITY ENHANCEMENT AND SELF-INTERFERENCE CANCELER

WIPO Patent Application WO/2022/031132

A1

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A cross-division duplex (XDD) system includes an apparatus having a transceiver configured to communicate via an uplink channel and a downlink channel concurrently. The apparatus also includes a transmit antenna, a receive antenna, and a processor. The processor is configured to: estimate a non-linear component corresponding to a transmit path in the transceiver; apply an equalizer function to a received signal; and subtract, in a self-interference cancel (SIC) circuitry, the estimated non-linear component from the equalized signal.

LIU YU (US)
MUHAMMAD KHURRAM (US)
TARVER CHANCE (US)

PCT/KR2021/010451

February 10, 2022

August 06, 2021

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SAMSUNG ELECTRONICS CO LTD (KR)

H04B1/525; H04B1/04; H04B1/62; H04L5/14; H04L25/08

US7869527B2	2011-01-11
US9787459B2	2017-10-10
US10291384B2	2019-05-14
KR20160131400A	2016-11-16
KR102054840B1	2019-12-11

YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)

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