An apparatus and method for communicating channel information in a relay wireless
communication system are provided. A Base Station (BS) apparatus includes a message …

Apparatus and method for supporting a relay service in a multihop relay wireless
communication system are provided. The method includes setting Tx/Rx mode switch region …

Provided is an apparatus and method for determining a data transmission rate in
consideration of the queue length of a Relay Station RS in a multi-hop relay system. A Base …

An apparatus and method for performing Automatic Retransmission reQuest (ARQ) of a
Relay Station (RS) in a wireless communication system using a relay scheme are provided …

A method and apparatus for selecting a service path of a Mobile Station (MS) in a relay
communication system. The method includes periodically transmitting, by a Base Station …

The present invention provides a method and apparatus for indicating downlink channel
measurement and a method and apparatus for performing channel measurement. The …

An apparatus and method for transmitting/receiving a Chan nel State Information-Reference
Symbol (CSI-RS) in a relay network system are provided. The method for transmitting a CSI …

A method and apparatus for performing a buffer status reporting (BSR) procedure in a
wireless communication system is provided. A relay user equipment (UE) receives data to …

(57) ABSTRACT A relay wireless communication system is provided. A Relay Station (RS)
includes a buffer for storing packets to be sent to at least one Mobile Station (MS); a …

A method and device for transmitting or transceiving data in a wireless system. The method
includes: transmitting or transceiving a downlink signal by using a special subframe. The …