An apparatus and a method for sending a control information for retransmission in a
multihop relay wireless communication system are provided. Data received from a lower …

An apparatus and a method for data retransmission in a mul tihop relay wireless
communication system are provided. The retransmission method includes determining …

Data retransmission apparatus and method in a wireless relay communication system are
provided. It is checked whetheran Acknowledgement (ACK) message or a Negative ACK …

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 …

An apparatus and method for transmitting an ACK/NACK message from an RS in a wireless
communication system using relaying is disclosed, in which the RS checks schedul ing …

A downlink data transmitting method is applied to a multi hop wireless relay communication
system. The method includes the following steps. A network unit obtains an iden tifier of a …

An apparatus and method for cooperative transmission in a multi-antenna relay wireless
communication system are pro vided. A receiving end includes an estimator, a reader, a …

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 …

A method and apparatus for transmitting and receiving a signal in a wireless communication
system are provided in which, when a relay request message is received from a transmitter …

A wireless transmission method, a base station, a relay sta tion, and a mobile station using
the same methods are pro posed. The method is adapted for delivering MBS in a relay …