Patent ID: 8224302
Filing Date: 2012-07-17
Classification: H04L,H04W

Abstract:
1. A mobile wireless communication terminal, comprising: a first communication unit used for communication with a base station; a second communication unit used for communication with other mobile wireless communication terminals; a storage device storing contents data that can be used in said mobile wireless communication terminal and can be transmitted to said other mobile wireless communication terminals; and a communication controller that obtains specific contents data by searching said storage device when said specific contents data is requested, transmitting, by packet broadcast, a request of said specific contents data to said other mobile wireless communication terminals that can communicate via said second communication unit when the valid specific contents data is not detected in said storage device, and transmitting a request of said specific contents data to said base station via said first communication unit when said specific contents data cannot be received from said other mobile wireless communication terminals, which can communicate, within a predetermined time, and wherein, when receiving a second request of second contents data by said packet broadcast from another mobile wireless communication terminal, said communication controller searches said storage device for the requested second contents data, replies with said requested second contents data to said another mobile wireless communication terminal when the valid requested second contents data is detected in said storage device, and transfers the received second request of said second contents data by said packet broadcast to other mobile wireless communication terminals when said second contents data is not detected in said storage device, and upon detecting that lack of a packet exists among packets for said specific contents data, which were received from said other mobile wireless communication terminals that are different from said base station, said communication controller causes the first communication unit to transmit a request for data of at least a lacked packet through said base station to a contents delivery computer.