Transmission apparatus and method for performing interference alignment thereof, and reception apparatus and method for operating thereof

Multi-cell communication system of distributedly controlling spectrum powers

Method for transmitting and receiving data using precoding matrix and terminal of enabling method

Terminal device and base station, and operating method of the terminal device

Terminal device and relay station

Method for allocating transmission power

Method for transmitting signal to the terminal in the wireless network

Method for operating terminal to communicate with transmitter cooperatively in the wireless network and terminal of enabling the method

Communication system based on relay for processing signal without cyclic prefix and method of enabling the communication system

System and method for detecting signal in a communication system