Method for transmitting/receiving data in communication system

The present invention in a communication system in which mobile terminal a first and a wireless access router, the core network and the radio connection with the first wireless access router and the adjacent second radio access router tunneling with the first radio access router, the mobile terminal the transmitted if at least one of a radio access router, and from among the transmission data into a radio access router, the wireless access routers receiving the normal data via said first radio access router, the data to the core network. Broadband wireless access network, handover, ARQ, wireless access routers, intermediary routers