(57) Abstract This invention relates to the data transmission manner with general-purpose packet radio service and the subscriber terminal. In this manner, RLC/MAC (control of radio link/media access control) LLC which utilizes the service of the protocol layer and this RLC/MAC protocol layer (control of logical link) the protocol layer it is used as the data link layer. At the time of data transmitting, the LLC frame of the LLC layer is laid out in RLC data block of the RLC/MAC layer. According to this invention, the LLC frame of two or more is laid out in one RLC data block. With known technology, the LLC frame where one RLC data block differs at the most two just is included. As for manner of this invention, for example, when RLC data block includes RLC header field and RLC data field, RLC data block, as included with the information whether or not the mechanism which specifies the LLC frame length in each RLC data block accurately, another LLC frame follows to the above-mentioned LLC frame of, it is executed.
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