Patent ID: 8023494
Filing Date: 2011-09-20
Classification: H04B,H04L

Abstract:
1. A communication service continuation system comprising: a server which provides a communication service; a mobile terminal which receives the communication service provided by the server; and communication networks which connect the server and the mobile terminal, wherein the communication networks include: a mobile terminal communication network, a wireless LAN communication network, a network interface communication network, and a public network commonly connected with the communication networks, wherein the mobile terminal communication network, the wireless LAN communication network, the network interface communication network are provided in parallel and connected with the mobile terminal, and the public network is connected with the server, wherein the mobile terminal includes: a transmitting information processor which performs a copying process with respect to transmitting information to be transmitted to the server, a receiving information processor which performs a synthesizing and restoring process with respect to receiving information transmitted from the server, by recording a latest data from among data received in accordance with a sequence number which is a component of delimiter information included in the receiving information transmitted from the server and discarding data which has been received; and data transferring means which activates, while maintaining a communicating state with the server using one communication network of at least two communication networks of the communication networks provided in parallel, another communication network to transmit multiple pieces of transmitting information of the same content copied by the transmitting information processor via the at least two communication networks, and receives the receiving information from the server via the at least two communication networks, and wherein the server includes: a transmitting information processor which performs a copying process with respect to transmitting information to be transmitted to the mobile terminal, a receiving information processor which performs a synthesizing and restoring process with the respect to receiving information transmitted from the mobile terminal, by recording a latest data from among data received in accordance with a sequence number which is a component of delimiter information included in the receiving information transmitted from the mobile terminal and discarding data which has been received; and data transferring means which transmits multiple pieces of transmitting information of the same content copied by the transmitting information processor via the at least two communication networks set by the data transferring means of the mobile terminal, and receives the receiving information from the mobile terminal via the at least two communication networks set by the data transferring means of the mobile terminal.