TRANSMISSION DEVICE AND FORWARDING METHOD

摘要

In a forwarding method, at least one ARQ block contained in a first PDU is fragmented into a plurality of ARQ sub-blocks, and at least one second PDU is generated from the plurality of ARG sub-blocks. The second PDU contains an extension header and also a payload containing at least some of the ARQ sub-blocks from among the plurality of ARQ sub-blocks. The extension header contains a field showing the sequence number of the first ARQ sub-block belonging to the payload.