Importance

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Abstract

In a radio communication system wherein a plurality of radio stations perform data exchange by radio communication, each of the radio stations has a function of outputting data to another radio station in the radio communication system, a function of receiving data from another radio station, and a function of relaying data in response to a request from another radio station. When the radio station outputs data to a specific target radio station but there is no acknowledgment from the target radio station, the radio station outputs relay requests to many unspecified radio stations. The radio stations, which have received the relay requests, relay and output the data simultaneously to the target radio station. Further, when the target radio station, which has received the data relayed by the many unspecified relay stations, acknowledges the receipt of the data, it selects an optimum radio station for relaying the data from the reception level status of radio packets which have been simultaneously transmitted from the many unspecified radio stations, and outputs acknowledgment data to the selected radio station.

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First Claim