Title:
A satellite control system, the satellite control method
Document Type and Number:
Japanese Patent JP6167910
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a satellite control system and program that detects abnormality due to an error of control request data itself and abnormality due to wrong settings of some computers, and has simple constitution.SOLUTION: A packet processing part of a satellite control system generates a reception Window for receiving a control signal, having the same sequence ID as a control signal received from one satellite communication device, from another satellite communication device other than the one satellite communication device when the sequence ID of the control signal received from the one satellite communication device is successive and the control signal is a first control signal, sends back an acknowledgement when data of the received control signal is all coincident or sends back a negative acknowledgement when any of the data is not coincident during the reception Window, and determines that the network that the control signal passes through has a delay or that processing of the satellite communication device having sent the control signal is delayed if the control signal is received after the reception window.
More Like This:
| JPS6433653 | COLLECTING SYSTEM FOR TRACE INFORMATION |
| JPH05316170 | DATA MONITOR |
| WO/2016/019185 | WEB REDIRECTION FOR CONTENT SCANNING |
Inventors:
Takashi Yamaguchi
Takashi Kayo
Takashi Kayo
Application Number:
JP2014004784A
Publication Date:
July 26, 2017
Filing Date:
January 15, 2014
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H04L69/40; B64G3/00; H04B7/155; H04Q9/00
Domestic Patent References:
| JP118949A | ||||
| JP7282019A | ||||
| JP2009262884A | ||||
| JP201018053A |
Attorney, Agent or Firm:
Tadahiko Inaba
Kanako Murakami
Shigeaki Matsui
Kuratani Yasutaka
Kanako Murakami
Shigeaki Matsui
Kuratani Yasutaka