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:
Sep. 29, 2020

Filed:

Oct. 13, 2017
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Anass Benjebbour, Tokyo, JP;

Yoshihisa Kishiyama, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 16/28 (2009.01); H04B 7/06 (2006.01); H04W 72/04 (2009.01); H04W 64/00 (2009.01); H04W 16/32 (2009.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04W 16/28 (2013.01); H04B 7/0617 (2013.01); H04B 7/0639 (2013.01); H04L 5/0048 (2013.01); H04W 16/32 (2013.01); H04W 64/00 (2013.01); H04W 72/046 (2013.01); H04W 72/0406 (2013.01); H04W 72/048 (2013.01);
Abstract

The present invention is designed to shorten the time that a user terminal takes to detect the common control/reference signals while coverage of the common control/reference signals transmitted from a small base station is secured. As the radio communication method of the invention, a radio communication method is provided in which beam forming information for forming transmission beams directed from the small base station to the user terminal are generated based on position-related information of the user terminal acquired by communication between the macro base station and the user terminal using a coverage carrier and position-related information of the small base station, and the small base station precodes at least one of a common control signal and a reference signal that are common in a small cell based on the beam forming information and transmits the precoded signal from a plurality of transmitting antennas using a capacity carrier.


Find Patent Forward Citations

Loading…