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Recovery methods for restoring service in a distributed radio access network

  • US 8,248,916 B2
  • Filed: 12/30/2005
  • Issued: 08/21/2012
  • Est. Priority Date: 12/30/2005
  • Status: Expired due to Fees
First Claim
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1. A method implemented by an access node in a mobile communication network comprising a plurality of access nodes for providing network access to mobile terminals, said method comprising:

  • maintaining a local database at an access node, said local database comprising a list of peer access nodes and corresponding states of the peer access nodes including the availability of said peer access nodes to serve as a primary access node to store session information for a communication session with a mobile terminal;

    receiving notification messages from one or more monitoring entities indicating changes in said availability of said peer access nodes; and

    updating said local database responsive to said notification messages to reflect the current availability of the peer access nodes.

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