Ntt Docomo, Inc.

Ryohei Ohgushi

Takashi Koshimizu

Takashi Morita

Shin-Ichi Isobe

Tomoki Shibahara

Eisuke Endoh

When congestion is detected in an S-GW, communications are allowed to continue as many as possible. A mobile communication method according to the present invention includes: notifying, by the S-GW, a PDF in a PCRF of detection of congestion when the congest is detected; acquiring, by the PDF in the PCRF, charging system information regarding UEs using an S1 bearer and an S5 bearer set in the S-GW from an HSS; acquiring, by the PDF in the PCRF, communication service class information in a flow unit in the S1 bearer and the S5 bearer from the P-GW according to the notification; and performing, by the PDF in the PCRF, bandwidth adjustment on specific flows of the S1 bearer and the S5 bearer based on the charging system information and the communication service class information in the flow unit.

Mobile communication method, policy and charging rule server apparatus, and mobile management node

An emergency information delivering method according to the present invention includes the steps of: notifying, to a mobile terminal, generation of emergency information to be received, by use of a paging signal used to activate a broadcast communication function of the mobile terminal; notifying, from the mobile terminal to a user, the generation of the emergency information in response to the notification by the paging signal; transmitting, to the mobile terminal, detailed information of the emergency information as a broadcast communication message; and displaying, at the mobile terminal, the detailed information, after the broadcast communication function is activated by the paging signal, the detailed information being received as the broadcast communication message.

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Tokyo, Japan

Ryohei Ohgushi