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System and method for call admission for a mobile communication system

  • US 7,269,423 B2
  • Filed: 01/09/2003
  • Issued: 09/11/2007
  • Est. Priority Date: 01/09/2002
  • Status: Expired due to Term
First Claim
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1. A method of establishing a call for a Mobile Station (MS) according to a Quality of Service (QoS) of the call in a Base Transceiver Station (BTS) communicable with the MS in a service system where the MS, the BTS, and a Base Station Controller (BSC) are connected over a selected network, the method comprising the steps of:

  • receiving a call setup request message including a QoS parameter from the MS;

    determining whether the call requires a QoS guarantee by checking the QoS parameter;

    calculating a remaining available bandwidth;

    determining whether the remaining available bandwidth can support a data rate required for the QoS guarantee of the call according to a user profile information acquired from a profile server if the call requires the QoS guarantee; and

    admitting the call and transmitting a call accept response signal to the BSC, if the data rate is supported or if the call does not require the QoS guarantee.

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