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:
Jun. 11, 2024

Filed:

May. 27, 2021
Applicant:

Sun Patent Trust, New York, NY (US);

Inventors:

Seigo Nakao, Osaka, JP;

Akihiko Nishio, Osaka, JP;

Daichi Imamura, Kanagawa, JP;

Takahisa Aoyama, Kyoto, JP;

Assignee:

Sun Patent Trust, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/23 (2023.01); H04L 1/00 (2006.01); H04L 5/00 (2006.01); H04W 28/06 (2009.01); H04W 72/0453 (2023.01);
U.S. Cl.
CPC ...
H04W 72/23 (2023.01); H04L 1/004 (2013.01); H04L 5/001 (2013.01); H04L 5/003 (2013.01); H04L 5/0046 (2013.01); H04L 5/0053 (2013.01); H04L 5/0094 (2013.01); H04W 28/06 (2013.01); H04L 5/0007 (2013.01); H04W 72/0453 (2013.01);
Abstract

Provided are a radio terminal device, a radio base station device, and a channel signal forming method which can prevent quality degradation of the downlink resource allocation information by reducing the frequency of the zero information addition process to the downlink resource allocation information when executing communication using an uplink unit band and multiple downlink unit bands correlated to the uplink unit band. A base station includes: a PDCCH generation unit which includes the uplink allocation information relating to the uplink unit band only in some of the channel signals formed for each of the downlink unit bands; and a padding unit which adds zero information to the downlink allocation information only in the selected some channel signals having the bandwidth of the corresponding downlink unit band smaller than that of the uplink unit band until the downlink allocation information size becomes equal to the uplink allocation information size.


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