Title:
マルチモード発信制御方法及びマルチモード移動通信装置
Document Type and Number:
Japanese Patent JP4449079
Kind Code:
B2
Abstract:
In a multimode mobile station capable of communicating with a plurality of cellular systems where a current cellular system which the mobile station has acquired and a cellular system which the mobile station tries to access differ, access-failure information is stored at access failure time. The access-failure information includes any one of, or the combination of information on access failure such as access-system type, access time information, access location information, access failure reason, number of access failures, etc. Since an access cellular system is selected on the basis of the stored access-failure information, even when a current cellular system which the mobile station has acquired and a cellular system which the mobile station tries to access differ, it is possible to shorten re-acquisition time and to reduce power consumption.
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Inventors:
Katsuya Miyata
Application Number:
JP2005043699A
Publication Date:
April 14, 2010
Filing Date:
February 21, 2005
Export Citation:
Assignee:
Casio Hitachi Mobile Communications Co., Ltd.
International Classes:
H04W36/14; H04W4/029; H04W48/18; H04W88/06; H04W4/02
Domestic Patent References:
| JP2004297480A | ||||
| JP2006504286A | ||||
| JP2003153329A | ||||
| JP7087010A | ||||
| JP2002223474A | ||||
| JP2003102059A | ||||
| JP2004120080A |
Foreign References:
| WO2003061327A1 |
Attorney, Agent or Firm:
Hidemi Kashima