Title:
COMMUNICATION DEVICE AND COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2015177492
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To adjust a signal correction amount in an idle period of data communication, and shorten adjustment time of the amount of signal correction.SOLUTION: A communication device includes an RX 117 for receiving reception/test data, a data BER measurement part 114 for measuring a BER of reception data at valid communication, first and second test BER measurement parts 115 and 116 for measuring a BER at test data reception, a reception control part 120 for outputting a transmission correction amount change request to request test data at a predetermined signal correction amount if a BER of reception data exceeds a reference value, and outputting a transmission correction amount change request to request reception data at a predetermined signal correction amount according to a BER comparison result of the reception/test data, and a transmission part 130 for requesting test/reception data based on the transmission correction amount change request. The reception control part outputs a transmission correction amount change request at an idle period of communication.
Inventors:
NATSUKAWA NOBUYUKI
Application Number:
JP2014054485A
Publication Date:
October 05, 2015
Filing Date:
March 18, 2014
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
H04B3/04
Domestic Patent References:
| JP2007318227A | 2007-12-06 | |||
| JP2008146457A | 2008-06-26 | |||
| JP2011041109A | 2011-02-24 | |||
| JP2008503929A | 2008-02-07 | |||
| JP2013168784A | 2013-08-29 |
Foreign References:
| US20040268190A1 | 2004-12-30 |
Attorney, Agent or Firm:
Chieko Tateno