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. 30, 2024

Filed:

Jan. 31, 2020
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Kazuto Goto, Musashino, JP;

Hideki Toshinaga, Musashino, JP;

Yushi Shirato, Musashino, JP;

Mizuki Suga, Musashino, JP;

Kota Ito, Musashino, JP;

Naoki Kita, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/54 (2023.01); H04W 28/04 (2009.01); H04W 56/00 (2009.01); H04W 72/0446 (2023.01);
U.S. Cl.
CPC ...
H04W 72/54 (2023.01); H04W 28/04 (2013.01); H04W 56/004 (2013.01); H04W 72/0446 (2013.01);
Abstract

An allocation method for allocating individual downlink data signals to positions on a time axis when a base station transmits the individual downlink data signals to a plurality of terminal stations. The allocation method includes provisionally allocating individual downlink data signals of the individual downlink data signals for terminal stations having long propagation delay times to positions of relatively early timings and provisionally allocating individual downlink data signals of the individual downlink data signal for terminal stations having short propagation delay times to positions of relatively late timings, changing the positions such that, when it is estimated that a collision will occur when receiving response signals transmitted from the terminal stations, it is estimated that a collision will not occur, in the provisionally allocating, and fixing, as the positions of the individual downlink data signals on the time axis, the positions changed in the changing of the positions.


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