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Title:
COMMUNICATION EQUIPMENT AND ADAPTIVE MODULATION METHOD
Document Type and Number:
Japanese Patent JP2009130659
Kind Code:
A
Abstract:

To provide communication equipment capable of appropriately performing adaptive modulation even though there are various kinds of traffic types to be communication objects.

The communication equipment for performing adaptive modulation is provided with a modulation system changing part 31 for changing modulation systems, an identifying part 32 for identifying a traffic type of communication data, and a control part 30 for changing thresholds of a packet loss rate and/or thresholds of a packet error rate in accordance with the traffic type identified by the identifying part 32. The modulation system changing part 31 is configured so as to make a determination to change modulation systems according to whether a packet loss rate and/or a packet error rate exceed a threshold changed by the control part 30.


Inventors:
TEKI YASUSHI
OKADA YOJI
Application Number:
JP2007303934A
Publication Date:
June 11, 2009
Filing Date:
November 26, 2007
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
H04L27/00; H04B7/26; H04L29/06
Domestic Patent References:
JP2003174485A2003-06-20
JP2003259447A2003-09-12
JP2007189745A2007-07-26
JP2007096494A2007-04-12
JP2005086304A2005-03-31
JP2003037547A2003-02-07
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office