To allocate a bandwidth to a terminal, a base station in a communication system including a relay receives a bandwidth request code from the relay, and determines whether a bandwidth request code that is the same as the received bandwidth request code has been received from the terminal. In addition,...http://www.google.com.au/patents/US8089914?utm_source=gb-gplus-sharePatent US8089914 - Relay and method of allocating bandwidth in communication system
