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:
May. 22, 2018

Filed:

May. 30, 2014
Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Shozo Okasaka, Kanagawa, JP;

Takayuki Sotoyama, Kanagawa, JP;

Seigo Nakao, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 48/10 (2009.01); H04W 16/28 (2009.01); H04W 48/08 (2009.01); H04L 7/00 (2006.01); H04W 74/08 (2009.01); H04W 76/02 (2009.01);
U.S. Cl.
CPC ...
H04W 48/10 (2013.01); H04L 7/0091 (2013.01); H04W 16/28 (2013.01); H04W 48/08 (2013.01); H04W 74/0833 (2013.01); H04W 76/02 (2013.01); H04W 76/10 (2018.02);
Abstract

In order to shorten the time in which an initial connection is established when switching directivity and then performing the initial connection, a frame timing control unit sets, until detection of an RACH signal, a transmission timing of a transmission frame for transmitting a search signal and a broadcast signal and also sets a reception-start timing for starting the reception of the corresponding RACH signal. A search/broadcast signal generation unit generates the broadcast signal and the search signal including reception-timing information. A beam directivity control unit sets, for a predetermined time starting from the reception-start timing, a directivity pattern such that the directivity is in the same direction as the directivity pattern for the corresponding transmission-timing information, whereby the beam directivity control unit controls a beam directivity operation unit.


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