Access point device and a communications system

Access point device and a communications system

  • CN 1,956,401 B
  • Filed: 10/20/2006
  • Issued: 01/02/2013
  • Est. Priority Date: 10/28/2005
  • Status: Active Grant
First Claim
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1. the access point apparatus that can accommodate wireless terminal is characterized in that, this access point apparatus has:

  • The wire communication unit, it directly or behind the relaying carries out wire communication with one or more switches of accommodating respectively a plurality of access point apparatus that comprise this access point apparatus;

    Wireless communication unit when it switches to this access point apparatus at wireless terminal from other access point apparatus, and carries out radio communication with the above-mentioned wireless terminal of communicating by letter as above-mentioned other access point apparatus of handover source access point apparatus;

    Control unit, it constitutes;

    when carrying out the switching of above-mentioned wireless terminal, the physical address information of above-mentioned wireless terminal as transmission source, by the physical address information of above-mentioned each switch to the above-mentioned wireless terminal of handover source access point apparatus request,According to the physical address information of the above-mentioned wireless terminal that returns from the handover source access point apparatus, keep making the network address information of above-mentioned wireless terminal and the terminal link information that physical address information is mapped,Receive the information of the request physical address information corresponding with the network address information of above-mentioned wireless terminal from the handover source access point apparatus, send following information to the handover source access point apparatus, this information has the physical address of the above-mentioned wireless terminal that uses in the judgement when the above-mentioned terminal link information that handover source access point apparatus deletion keeps in the handover source access point apparatus.

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