| 摘要 |
In this invention, wireless video telephone communication between mobile telephones MS 1 and MS 2 using the MPEG-2 standard is performed when the reception field strength falls below a threshold value of H continuously for a specific period of T 3 or longer in the course of receiving the data at one mobile telephone MS 2 , the telephone MS 2 monitors the restoration of the reception field strength. After detecting the restoration, mobile telephone MS 2 transmits a request for the transmission of an I frame to mobile telephone MS 1 . Upon receipt of the request, mobile telephone MS 1 creates an I frame in place of a P frame and transmits the I frame.
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