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. 25, 2020
Filed:
Jan. 25, 2019
Sabanci Universitesi, Istanbul, TR;
Ibrahim Tekin, Istanbul, TR;
Haq Nawaz, Istanbul, TR;
Sabanci Universitesi, Istanbul, TR;
Abstract
A system may include a double differential-fed dual-polarized 2.4 GHz, microstrip patch antenna with extremely high interport isolation for shared antenna architecture based in-band full duplex (IBFD) transceivers. The presented antenna configuration is based on four ports linearly polarized single radiating element with differential feeding for both transmit (Tx) and receive (Rx) operation. The double differential feeding using two identical 3 dB/180° ring hybrid couplers with nice amplitude/phase balance effectively suppresses the interport RF leakage to achieve very high isolation. Strong amplitude and phase balance of 3 dB/180° ring hybrid coupler can provide a better SIC performance as compared to DFN based on Wilkinson power divider with un-equal length microstrip lines, thus supplying an elite level of suppression in means of self-interference at Tx.