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:
Aug. 01, 2017
Filed:
Mar. 08, 2013
Applicant:
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/14 (2006.01); H04L 12/741 (2013.01); H04W 28/20 (2009.01); H04W 74/06 (2009.01); H04W 84/18 (2009.01); H04B 7/26 (2006.01); H04W 72/04 (2009.01); H04W 88/02 (2009.01); H04W 88/08 (2009.01); H04L 12/755 (2013.01); H04B 7/155 (2006.01);
U.S. Cl.
CPC ...
H04B 7/14 (2013.01); H04L 45/745 (2013.01); H04W 28/20 (2013.01); H04W 74/06 (2013.01); H04B 7/155 (2013.01); H04B 7/2656 (2013.01); H04L 45/021 (2013.01); H04W 72/0446 (2013.01); H04W 84/18 (2013.01); H04W 88/02 (2013.01); H04W 88/08 (2013.01);
Abstract
An object of the disclosed invention is to provide a polling-based multihop communication system capable of achieving robust communication. Solving means thereof is a (multihop communication) wireless transmission system including, as wireless stations, a base station, a plurality of relay stations connected at multiple stages by using the base station as a root, and a plurality of terminals connected to the relay stations, in which the base station and the relay stations perform communication using polling in one or more service periods which have been allocated to each of the base and relay stations in time division in advance in a system cycle.