Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMMUNICATION DEVICE, COMMUNICATION METHOD, SYSTEM, AND PROGRAM
Document Type and Number:
Japanese Patent JP2017041753
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve the security level of an ad-hoc radio communication network.SOLUTION: A communication device includes: a first communication unit for performing first radio communication within a first communication range; a second communication unit for performing second radio communication within a second communication range smaller than the first communication range within the first communication range; a transmission unit for transmitting setting information to establish a communication channel of the first radio communication to a device situated within the first communication range via the second communication unit; and an establishment unit for establishing a communication channel for performing the first radio communication with the device by using the setting information transmitted to the device. Then, the second communication unit establishes the communication channel for performing the first radio communication with the device, and then adjusts the second communication range according to the position of the device connecting with the communication channel.SELECTED DRAWING: Figure 15

Inventors:
KAWAMURA SHINTARO
KURODA MASARU
WANG HIROSHI
MAYUZUMI RYUSUKE
SUGINO HIROKI
OHIRA HIROTAKA
Application Number:
JP2015162317A
Publication Date:
February 23, 2017
Filing Date:
August 19, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
RICOH CO LTD
International Classes:
H04W12/08; H04W4/00; H04W16/32; H04W76/00; H04W84/10
Attorney, Agent or Firm:
Hiroaki Sakai