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.:
Date of Patent:
Sep. 09, 2014
Filed:
Oct. 05, 2010
Applicants:
Satoru Fukumoto, Yokosuka, JP;
Hiroyuki Ishii, Yokohama, JP;
Inventors:
Satoru Fukumoto, Yokosuka, JP;
Hiroyuki Ishii, Yokohama, JP;
Assignee:
NTT DoCoMo, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04J 13/00 (2011.01); H04J 13/22 (2011.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04J 13/0062 (2013.01); H04J 13/22 (2013.01); H04L 5/0053 (2013.01);
Abstract
A mobile communication method according to the present invention includes a step of assigning one or a plurality of Zadoff-Chu sequences to each of cells #A to #G, a step of generating a plurality of RACH preambles by performing a cyclic shift with respect to the assigned Zadoff-Chu sequences by a predetermined period Ncs in each of the cells #A to #G, and a step of acquiring the reception timing distribution of the RACH preambles in the predetermined period Ncs in each of the cells #A to #G.