Samsung Electronics Co., Ltd.

Jin-Hun Koo

Il-Jong Song

Young-Hoon Min

Si-Gyoung Koo

Kuang-Woo Nam

A radio frequency identification (RFID) recorder for cancelling a leakage signal includes a digital unit calculating and storing an amplitude and a phase of the leakage signal, and a leakage cancellation circuit generating a leakage cancellation signal to cancel the leakage signal in response to a control of the digital unit.

RFID reader cancelling leakage signal

A Radio Frequency (RF) transmission method of a Radio Frequency Identification (RFID) reader using a plurality of channels is provided. The method includes: selecting at least part of the plurality of channels, measuring an RF power of each of the selected channels, determining a transmission environment of the RF according to a measurement determination, and modulating an RF signal according to the determined transmission environment.

Growing community of inventors

Seongnam-si, South Korea

Jin-Hun Koo