摘要 |
A wireless communications system comprises a user terminal, which respectively and wirelessly connects to a donor base station and a mobile relay device coexisting in a single coverage region, sets a macro link with the donor base station, sets an access link with the mobile relay device, wirelessly communicates with the mobile relay device through the access link by using a predetermined first frequency band, and wirelessly communicates with the donor base station through the macro link by using a predetermined second frequency band. |