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:
Nov. 22, 2022

Filed:

Mar. 19, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Atsushi Ota, Musashino, JP;

Naoki Kita, Musashino, JP;

Yushi Shirato, Musashino, JP;

Yutaka Imaizumi, Musashino, JP;

Kazuto Goto, Musashino, JP;

Chunhsiang Huang, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/06 (2006.01); H04B 7/0408 (2017.01); H04B 7/08 (2006.01); H04W 16/28 (2009.01);
U.S. Cl.
CPC ...
H04B 7/0695 (2013.01); H04B 7/0408 (2013.01); H04B 7/0617 (2013.01); H04B 7/086 (2013.01); H04W 16/28 (2013.01);
Abstract

A wireless communication system which includes first and second wireless station apparatuses having a plurality of antenna elements and performs directivity forming. For Tand Tsuch that T=N×Tand T=N×Twith a predetermined period T, the wireless communication system performs the steps of sequentially switching Ntypes of directional beams at intervals of period Tand transmitting signals while performing switching with an identical directional beam switching pattern maintained over period T, sequentially switching Ntypes of directional beams at intervals of period Tand receiving signals over the period Tor more while performing switching with an identical directional beam switching pattern maintained over the period T, searching for a directional beam having a highest reception level among those acquired over a predetermined period, and setting the searched directional beam as a directional beam to be used.


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