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.:
Date of Patent:
Aug. 18, 2020
Filed:
Apr. 30, 2019
T-mobile Usa, Inc., Bellevue, WA (US);
Carl Williams, Bellevue, WA (US);
T-MOBILE USA, INC., Bellevue, WA (US);
Abstract
Systems and methods for reducing receiver de-sensitivity caused by coupling between a primary antenna and a diversity antenna. More particularly, the systems and methods reduce receiver de-sensitivity due to harmonic components associated with the signal transmitted by the primary antenna falling within a frequency band at which the diversity antenna is configured to sense signals. The systems and methods include amplifying a first signal to produce a transmission signal for transmission via the primary antenna; receiving, at the diversity antenna, a receive signal; amplifying, via a low noise amplifier, the receive signal to apply a gain to the receive signal; inverting the transmission signal; and adding the inverted transmission signal to the amplified receive signal to produce a corrected receive signal. Accordingly, the harmonic components introduced into the receive signal are canceled out via negative feedback at the radio frequency (RF) front end.