Radio communication system and mobile station device

Radio communication system and mobile station device

CN
  • CN 101,641,993 B
  • Filed: 08/07/2008
  • Issued: 02/27/2013
  • Est. Priority Date: 08/08/2007
  • Status: Active Grant
First Claim
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1. a wireless communication system possesses mobile station apparatus and base station apparatus, and this wireless communication system is characterised in that,Described mobile station apparatus sends random access preamble to base station apparatus, and the moment offset information that from the accidental access response that described base station apparatus sends, comprises based on replying the described random access preamble that has sent, carrying out up link adjusts constantlyDescribed base station apparatus receives described random access preamble from described mobile station apparatus, and sends the accidental access response that comprises the moment offset information that calculates the time of reception according to described random access preamble to described mobile station apparatus,Described mobile station apparatus is in uplink synchronization state, replying of the random access preamble that has received the preamble ID that this mobile station apparatus is selected at random from described base station apparatus, when namely comprising the accidental access response of moment offset information, do not carry out constantly adjusting based on the up link of this moment offset information, in the up link asynchronous regime, replying of the random access preamble that has received the preamble ID that this mobile station apparatus is selected at random from described base station apparatus, when namely comprising the accidental access response of moment offset information, described mobile station apparatus carries out up link and constantly adjusts based on this moment offset information.

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