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. 16, 2017

Filed:

Mar. 16, 2016
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Tetsushi Abe, Tokyo, JP;

Satoshi Nagata, Tokyo, JP;

Kazuaki Takeda, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/216 (2006.01); H04B 7/208 (2006.01); H04W 4/00 (2009.01); H04W 72/04 (2009.01); H04L 5/00 (2006.01); H04W 28/04 (2009.01); H04W 16/14 (2009.01); H04W 72/12 (2009.01); H04J 11/00 (2006.01); H04W 48/12 (2009.01); H04W 88/08 (2009.01); H04W 24/10 (2009.01); H04W 16/32 (2009.01); H04L 1/18 (2006.01); H04W 48/10 (2009.01);
U.S. Cl.
CPC ...
H04W 72/042 (2013.01); H04J 11/0056 (2013.01); H04L 5/00 (2013.01); H04L 5/0007 (2013.01); H04L 5/0035 (2013.01); H04L 5/0053 (2013.01); H04L 5/0073 (2013.01); H04L 5/0091 (2013.01); H04W 16/14 (2013.01); H04W 28/048 (2013.01); H04W 48/12 (2013.01); H04W 72/1226 (2013.01); H04L 1/1812 (2013.01); H04W 16/32 (2013.01); H04W 24/10 (2013.01); H04W 48/10 (2013.01); H04W 88/08 (2013.01);
Abstract

The present invention is designed to reduce interference from a macro base station to a small transmission power node. The present invention is characterized in providing a micro base station which forms, in a macro cell where a macro base station transmits a signal to a macro terminal, a micro cell where the micro base station transmits a signal to a micro terminal under control with low power, and this micro base station generates a PDCCH which includes downlink or uplink resource allocation information, and, in a non-transmission period in which the macro base station stops transmitting signals while leaving minimal quality measurement signals, shifts the transmission starting symbol of the PDCCH to a position where the PDCCH does not overlap the quality measurement signals.


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