| 摘要 |
A method, an apparatus for wireless communication and a relay node for wireless radio communication. According to the invention the method includes setting a random access message format for establishing a connection between an apparatus for wireless communication and a relay node, the random access message format including a first, a second and a third portion: the first portion including information of the size of a cyclic prefix, the second portion including the size of random access information, and the third portion including guard time information; transmitting information about the random access message format consisting of the second portion and the third portion, prestoring in a memory a value for the first portion, receiving a second portion of a random access message, and detecting a received random access message based on the prestored value for the first portion, and on the received second portion.
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