The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8537881 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 17, 2013

Filed:

Mar. 02, 2011
Applicants:

Heon Soo Choi, Gwangmyeong-si, KR;

Chang Su Choi, Yongin-si, KR;

Hyung Jun Jeon, Hwaseong-si, KR;

Yeong Chan Kim, Seoul, KR;

Inventors:

Heon soo Choi, Gwangmyeong-si, KR;

Chang su Choi, Yongin-si, KR;

Hyung jun Jeon, Hwaseong-si, KR;

Yeong chan Kim, Seoul, KR;

Assignee:

Nethom Co., Ltd., Gunpo-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is an RF transceiver in which transmission and reception are simultaneously performed, wherein a magnitude of a transmission leakage signal mixed into a receiving signal is measured, the maximum and minimum scopes on I/Q vector phase-plane in which an offset vector exists is set using the measured magnitude of the transmission leakage signal, the offset vector offsetting the transmission leakage signal as much as possible, a detection area in which the offset vector exists is determined in the set scope, and the offset vector is detected.


Find Patent Forward Citations

Choi, Heon. (2013). Method and apparatus for detecting offset signal of transmission leakage signal in rf transceiver (U.S. Patent No. 8537881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8537881

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