Method for device capability advertising and discovery in a wireless network

In response to receiving functions include roles feature notification message to the transmitting apparatus on a carrier activation message that requests at least one functional role of the function; and in response to the activation message, receiving a notification message from the device on a carrier, indicating that whether to accept the role of the functional activation message. In another embodiment, the transmission function includes functional roles advertisement message; in response thereto, receiving an activation message on a carrier, at least one functional role which the advertisement request message; and then, in response to the activation message, on carrier transmitting a notification message to the device, which indicates whether to accept the role of the function of the activation message.