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:
Aug. 02, 2022

Filed:

Mar. 07, 2016
Applicant:

Mitsubishi Electric Corporation, Chiyoda-ku, JP;

Inventors:

Miho Maeda, Tokyo, JP;

Mitsuru Mochizuki, Tokyo, JP;

Yasushi Iwane, Tokyo, JP;

Yuji Kakehi, Tokyo, JP;

Hitoshi Kimura, Tokyo, JP;

Taisei Suemitsu, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 52/02 (2009.01); H04W 76/27 (2018.01); H04W 24/02 (2009.01); H04W 88/02 (2009.01); H04W 88/12 (2009.01);
U.S. Cl.
CPC ...
H04W 72/0413 (2013.01); H04W 24/02 (2013.01); H04W 52/0206 (2013.01); H04W 76/27 (2018.02); H04W 88/02 (2013.01); H04W 88/12 (2013.01); Y02D 30/70 (2020.08);
Abstract

A mobile communication system capable of reducing energy consumption of a network node in a local area range. When judging that there is a shift trigger, a local eNB shifts from a normal operation to an energy saving operation. In the energy saving operation, the local eNB stops the operation of transmitting at least a part of downlink transmission signals to be transmitted to a user equipment (UE) and performs the operation of receiving an uplink transmission signal transmitted from the UE. When judging that it has received the uplink transmission signal (RACH) in the energy saving operation, the local eNB shifts to the normal operation.


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