| 摘要 |
<p>A preamble format is provided for use in transmitting a random access request in a mobile communications system, the preamble format comprising a signature code, and a spreading code, said spreading code associated with a predetermined sector. Also, a data field format is provided for use in transmitting a random access request in a mobile communication system, the data field format comprising an information data field, and a short spreading code, wherein said information data is spread with said short spreading code, wherein said short spreading code is associated with a signature code, and wherein said information data is spread with a short spreading code and further spread with a sector-associated long spreading code. Further, a signal format comprising such data field format and such preamble format, and a method and apparatus for use in creating a random access packet having such signal format, each are provided.
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