| 摘要 |
The system in this invention is provided with a ground radio channel for performing the radio communication by directly connecting between base stations and mobile stations, and a satellite radio channel for performing the radio communication by connecting the base stations and mobile stations via communication satellite. When a mobile stations performs communication, which ever of said ground radio channel or satellite radio channel is selected. Moreover, when a ground radio channel is selected in accordance with the selection of this radio channel, the block code prioritizing the error correction capability is set to the channel codec so as to perform the correction is encoding and decoding process prioritizing the error correction capability. As contrast to that, when a satellite radio channel is selected, the block code prioritizing the erasure code correction capability is set to the channel codec so as to perform the error correction encoding and decoding process prioritizing the erasure code correction.
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