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.

Date of Patent:
Jul. 03, 2018

Filed:

Jul. 10, 2017
Applicant:

Motorola Solutions, Inc, Chicago, IL (US);

Inventors:

Arthur Christopher Leyh, Spring Grove, IL (US);

Sanjaykumar S. Karpoor, Buffalo Grove, IL (US);

David P. Gurney, Carpentersville, IL (US);

Gregory J. Buchwald, Crystal Lake, IL (US);

Assignee:

MOTOROLA SOLUTIONS, INC., Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01); H04B 17/345 (2015.01); H04B 1/38 (2015.01);
U.S. Cl.
CPC ...
H04B 1/1027 (2013.01); H04B 1/38 (2013.01); H04B 17/345 (2015.01);
Abstract

A communication system () is formed of a base station comprising a main base station receiver with a main base station antenna () and a secondary receiver with a secondary antenna (). The secondary receiver detects interference to the main base station antenna () causing reduced communications range for communicating with subscriber units (). The secondary receiver rotates a receiver null () of the secondary antenna () to reduce the interference in response thereto. The communication system () performs a voting decision that selects between the secondary receiver with rotated receiver null and the main base station receiver () with reduced communications range, to mitigate the interference to main base station antenna ().


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