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:
Apr. 12, 2022

Filed:

Apr. 27, 2017
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Fumihiro Hasegawa, Tokyo, JP;

Akinori Taira, Tokyo, JP;

Hiroki Iura, Tokyo, JP;

Shigeru Uchida, Tokyo, JP;

Mitsuru Mochizuki, Tokyo, JP;

Tadahiro Shimoda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/00 (2006.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04L 5/0048 (2013.01); H04L 5/0007 (2013.01); H04L 5/0023 (2013.01); H04L 5/0053 (2013.01); H04W 72/042 (2013.01);
Abstract

The base station allocates, to one terminal, at least one transmission layer and allocates at least one resource block that is a minimum allocation unit of a communication resource in each transmission layer, to transmit a signal to the terminal, and includes processing units each associated with one of the transmission layers, the processing units being equal in number to the transmission layers. Each processing unit includes a reference signal generation unit to generate a reference signal to be used by the terminal in demodulation processing on a received signal, and an information processing unit to determine an arrangement of the resource block in which to transmit the reference signal to the terminal, based on at least one of a state of a channel between the base station and the terminal or information on the resource block to be used in transmission of the reference signal in an adjacent cell.


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