COMMUNICATION SYSTEM, USER TERMINAL, AND COMMUNICATION DEVICE

摘要

Disclosed is a technique for starting an application used to receive a message for the application efficiently in order to reduce the processing load on and the battery consumption of a user terminal. According to this technique, a network is requested to transmit a control message to a user terminal when receiving a message addressed to an application on the user terminal, and when receiving, from a server, a message addressed to the application on the user terminal, the network transmits a control message such as paging to the user terminal. The user terminal receives the paging from the network even in the connected mode, and starts an application used to receive a message for the application on the user terminal in response to the reception of the paging so that the application can be started at timing where there exists the message to be received.

主权项

1. A communication system comprising:
a user terminal, a network device including a network entity that is an element of a network, and a predetermined communication device as a communication partner of the user terminal, wherein the predetermined communication device includes
a message transmission unit for transmitting, to the network, a request message including application identification information for identifying an application on the user terminal, the request message requesting the network device to transmit a control message to the user terminal, the network device includes
a control message transmitting unit for transmitting a control message including the application identification information to the user terminal when receiving the request message from the predetermined communication device as the communication partner of the user terminal, the control message being generated based on the request message, and the user terminal includes
a control message receiving unit for receiving the control message from the network, andan application starting unit for starting an application identified by the application identification information when the control message is received at the control message receiving unit.