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.

Patent No.:

US 9426819 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2016

Filed:

Jun. 24, 2013
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Satoshi Nagata, Tokyo, JP;

Mingju Li, Beijing, CN;

Xiang Yun, Beijing, CN;

Lan Chen, Beijing, CN;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04W 72/12 (2009.01); H04B 7/02 (2006.01); H04W 16/28 (2009.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04W 72/1252 (2013.01); H04B 7/024 (2013.01); H04L 1/0067 (2013.01); H04L 5/0035 (2013.01); H04L 5/0053 (2013.01); H04L 5/0094 (2013.01); H04L 5/0098 (2013.01); H04W 16/28 (2013.01); H04W 72/12 (2013.01); H04W 72/1289 (2013.01); H04L 5/0058 (2013.01); H04L 5/0085 (2013.01); H04L 5/0087 (2013.01);
Abstract

In order to signal information that is required in rate matching efficiently, even when CoMP transmission/reception techniques are employed, CoMP transmission is scheduled, in which a plurality of radio base station apparatuses (eNBs) serve as transmission points and carry out coordinated multi-point transmission with respect to a user terminal (UE), downlink control information is generated, in which a rate matching pattern is incorporated, in a physical downlink control channel, based on a table, in which rate matching patterns that are required are mapped to bit data in association with transmission modes in CoMP transmission, a physical downlink control channel is transmitted and also a physical downlink shared data channel is transmitted, to the user terminal (UE), and in the user terminal (UE), the rate matching pattern incorporated in the downlink control information, is specified, based on a table of the same contents as in the radio base station apparatuses (eNBs).


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