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Communication system and method

  • US 20100098055A1
  • Filed: 01/06/2009
  • Published: 04/22/2010
  • Est. Priority Date: 10/22/2008
  • Status: Active Grant
First Claim
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1. A method of controlling a connection between a user terminal and an access node connected to a communication network, comprising:

  • the user terminal establishing a data connection with the access node;

    the user terminal periodically generating a message at predetermined intervals and transmitting the periodic message to at least one network node via the access node over the communication network;

    receiving responses to the periodic messages from the at least one network node;

    analysing the responses to determine whether to terminate the connection to the access node; and

    in the case that the connection to the access node should be terminated, transmitting a disconnect message to the access node from the user terminal.

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