COMMUNICATION NETWORK SYSTEM - NIPPON TELEGRAPH & TELEPHONE

Title:

COMMUNICATION NETWORK SYSTEM

Document Type and Number:

WIPO Patent Application WO/2020/255815

Kind Code:

A1

Abstract:

The purpose of the present invention is to enable establishing communication simultaneously between a large and arbitrary number of wireless terminals without the use of a complex relay network or a plurality of radio repeaters. The present invention is a communication network system which is provided with: multiple optical wireless converters 521-1 to 521-n which convert between a wireless signal and an optical fiber wireless signal; and a path controller which is connected to the multiple optical wireless converters 521-1 to 521-n by optical fiber transmission paths 531-1 to 531-n, wherein an optical fiber wireless signal transmitted from any optical wireless converter of the multiple optical wireless converters 521-1 to 521-n is inputted to the path controller from the optical fiber transmission path connected to said optical wireless converter and is outputted to the optical fiber transmission path connected to a configured optical wireless converter of the multiple optical wireless converters 521-1 to 521-n.

Inventors:

NARIKAWA SATOSHI (JP)
FUKUI TATSUYA (JP)
KIRIHARA TAKAHITO (JP)
MINAMI KATSUYA (JP)
IKEDA SATOSHI (JP)
SARUWATARI SHUNSUKE (JP)
WATANABE TAKASHI (JP)
KINOSHITA KAZUHIKO (JP)

Application Number:

PCT/JP2020/022804

Publication Date:

December 24, 2020

Filing Date:

June 10, 2020

Export Citation:

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Assignee:

NIPPON TELEGRAPH & TELEPHONE (JP)

International Classes:

H04L12/44; H04B7/15; H04B10/2575; H04B10/27; H04L12/46

Foreign References:

JP2014160967A	2014-09-04
JP2010268224A	2010-11-25
JP2017017667A	2017-01-19
JP2004242224A	2004-08-26
JP2005110150A	2005-04-21
JP2004048200A	2004-02-12