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Method of processing UMTS calls in a packet transmission network and node for the UMTS network and for implementing said method
| Details |
Inventors: Besset-Bathias, Claire; Bourriaud, Francis; Ballot, Jean-Marc;
Assignee: Alcatel (Paris, FR)
Primary Examiner: Trost; William
Assistant Examiner: Doan; Kiet
Attorney, Agent or Firm: Sughrue Mion, PLLC
In order to accept a new call for setting up in a UMTS network node, the method consists in particular in: calculating for the new call an equivalent passband as a function of: the quality of service requested for the new call; and the quality of service attributes of the UMTS medium corresponding to the call; then comparing the sum of the equivalent passband for the new call plus the equivalent passbands of all of the calls already set up in the UMTS network node with a predetermined maximum value; and accepting the new call with guaranteed requested quality of service only if the sum is less than or equal to said predetermined maximum value. |
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DETAILED DESCRIPTION The invention claimed is: 1.
A method of processing UMTS calls in a packet transmission network, the network comprising UMTS network nodes; the method being characterized in that in order to accept a new UMTS call for setting up in a UMTS network node, it consists in particular in: calculating for the new call an equivalent passband as a function of: the quality of service requested for the new call; and the quality of service attributes of the UMTS medium corresponding to the call; then comparing the sum of the equivalent passband for the new call plus the equivalent passbands of all of the calls already set up in the UMTS network node with a predetermined maximum value; and accepting the new call with guaranteed requested quality of service only if the sum is less than or equal to said predetermined maximum value.
2.
A method according to claim 1, characterized in that implementation is triggered in particular by one of the following events; a request to set up a call in UMTS or GSM packet mode; a change of quality of service, initiated by a mobile terminal or by the network; a change of radio subsystem (BTS, RNC) serving a mobile terminal; a change in the gateway GPRS support node (GGSN) of a mobile terminal; or a change in the serving GPRS support node (SGSN) of a mobile terminal.
3.
A method according to claim 1, characterized in that it further consists in reducing quality of service when the requested equivalent passband is not available; in that for conversational and streaming traffic, a reduction in quality of service is based on reducing guaranteed bit rate; and in that for interactive or streaming traffic, the procedure for reducing quality of service is based on the processing priority that has been requested for the traffic; and in that if the requested equivalent passband is still not available when the quality of service is reduced, then background class traffic is proposed to the user.
4.
A method according to claim 1 to offer a better quality of service if resources have become available
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Cell Phones 
