Service Parameter Interworking Method
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Accused Products
Abstract
To achieve a transparent service parameter exchange between networks using a circuit-oriented protocol and networks using a packet-oriented protocol, there is provided a service parameter interworking method adapted to achieve a service parameter exchange between the networks by mapping circuit-switched service parameters into related packet-switched parameters or vice versa and then forwarding payload data between the different networks using the mapping result.
77 Citations
40 Claims
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1-28. -28. (canceled)
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29. A method in an interworking node for exchanging service parameters between a circuit-switched network in which payload data are transported utilizing a circuit-oriented protocol and a packet-switched network in which payload data are transported utilizing a packet-oriented protocol, wherein as a result of the service parameter exchange, the payload data are transported in the packet-switched network with a precedence level corresponding to a mapped precedence level from the circuit-switched network, said method comprising:
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receiving in the interworking node, circuit-switched service parameters from the circuit-switched network, wherein the circuit-switched service parameters define a level of precedence assigned to a call in the circuit-switched network by defining multi-level service information, said multi-level service information being selected from (a) precedence information to assign a priority to the call, and (b) pre-emption information for seizing resources for transporting higher precedence calls in the absence of idle resources; and
mapping the circuit-switched service parameters into corresponding packet-switched service parameters, wherein the packet-switched service parameters define a level of precedence utilized for a data stream within the packet-switched network corresponding to the level of precedence assigned to the call in the circuit-switched network;
wherein a mapping result is utilized to forward payload data across a network boundary between the circuit-switched network and the packet-switched network. - View Dependent Claims (30, 31, 32, 33)
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34. A method in an interworking node for exchanging service parameters between a circuit-switched network in which payload data are transported utilizing a circuit-oriented protocol and a packet-switched network in which payload data are transported utilizing a packet-oriented protocol, wherein as a result of the service parameter exchange, the payload data are transported in the packet-switched network with a precedence level corresponding to a mapped precedence level from the circuit-switched network, said method comprising:
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receiving in the interworking node, circuit-switched service parameters from the circuit-switched network, wherein the circuit-switched service parameters define a level of precedence assigned to a call in the circuit-switched network by defining multi-level service information, wherein the multi-level service information includes Multi-Level Precedence and Preemption (IVLPP) precedence levels utilized to establish levels of precedence in circuit-switched networks; and
mapping the circuit-switched service parameters into corresponding packet-switched service parameters, wherein the packet-switched service parameters define a level of precedence utilized for a data stream within the packet-switched network corresponding to the level of precedence assigned to the call in the circuit-switched network;
wherein a mapping result is utilized to forward payload data across a network boundary between the circuit-switched network and the packet-switched network.
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35. A method in an interworking node for exchanging service parameters between a circuit-switched network in which payload data are transported utilizing a circuit-oriented protocol and a packet-switched network in which payload data are transported utilizing a packet-oriented protocol, wherein as a result of the service parameter exchange, the payload data are transported in the packet-switched network with a precedence level corresponding to a mapped precedence level from the circuit-switched network, said method comprising:
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receiving in the interworking node, circuit-switched service parameters from the circuit-switched network, wherein the circuit-switched service parameters define a level of precedence assigned to a call in the circuit-switched network by defining multi-level service information, wherein the multi-level service information includes enhanced Multi-Level Precedence and Preemption (eMLPP) precedence levels utilized in GSM networks to establish levels of precedence; and
mapping the circuit-switched service parameters into corresponding packet-switched service parameters, wherein the packet-switched service parameters define a level of precedence utilized for a data stream within the packet-switched network corresponding to the level of precedence assigned to the call in the circuit-switched network;
wherein a mapping result is utilized to forward payload data across a network boundary between the circuit-switched network and the packet-switched network.
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36. A method in an interworking node for exchanging service parameters between a packet-switched network in which payload data are transported utilizing a packet-oriented protocol and a circuit-switched network in which payload data are transported utilizing a circuit-oriented protocol, wherein as a result of the service parameter exchange, the payload data are transported in the circuit-switched network with a precedence level corresponding to a mapped precedence level from the packet-switched network, said method comprising:
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receiving at the interworking node, packet-switched service parameters from the packet-switched network, wherein the packet-switched service parameters define a level of precedence assigned to a data stream within the packet-switched network, wherein packets in a data stream with a higher level of precedence may be protected from being dropped when there is congestion in the packet-switched network; and
mapping the packet-switched service parameters into corresponding circuit-switched service parameters, wherein the circuit-switched service parameters define a level of precedence utilized for a call in the circuit-switched network corresponding to the level of precedence assigned to the data stream in the packet-switched network, wherein the circuit-switched service parameters define multi-level service information, said multi-level service information being selected from (a) precedence information to assign a priority to a call, and (b) pre-emption information for seizing resources for transporting higher precedence calls in the absence of idle resources;
wherein a mapping result is utilized to forward payload data across a network boundary between the packet-switched network and the circuit-switched network. - View Dependent Claims (37, 38)
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39. An interworking node adapted to achieve a service parameter exchange between a circuit-switched network in which payload data are transported utilizing a circuit-oriented protocol and a packet-switched network in which payload data are transported utilizing a packet-oriented protocol, wherein as a result of the service parameter exchange, the payload data are transported in the packet-switched network with a precedence level corresponding to a mapped precedence level from the circuit-switched network, said interworking node comprising:
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means for receiving circuit-switched service parameters from the circuit-switched network, wherein the circuit-switched service parameters define a level of precedence assigned to a call in the circuit-switched network by defining multi-level service information, said multi-level service information being selected from (a) precedence information to assign a priority to the call, and (b) pre-emption information for seizing resources for transporting higher precedence calls in the absence of idle resources; and
means for mapping the circuit-switched service parameters into corresponding packet-switched service parameters, wherein the packet-switched service parameters define a level of precedence utilized for a data stream within the packet-switched network corresponding to the level of precedence assigned to the call in the circuit-switched network;
wherein a mapping result is utilized to forward payload data across a network boundary between the circuit-switched network and the packet-switched network.
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40. An interworking node adapted to achieve a service parameter exchange between a packet-switched network in which payload data are transported utilizing a packet-oriented protocol and a circuit-switched network in which payload data are transported utilizing a circuit-oriented protocol, wherein as a result of the service parameter exchange, the payload data are transported in the circuit-switched network with a precedence level corresponding to a mapped precedence level from the packet-switched network, said interworking node comprising:
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means for receiving packet-switched service parameters from the packet-switched network, wherein the packet-switched service parameters define a level of precedence assigned to a data stream within the packet-switched network, wherein packets in a data stream with a higher level of precedence may be protected from being dropped when there is congestion in the packet-switched network; and
means for mapping the packet-switched service parameters into corresponding circuit-switched service parameters, wherein the circuit-switched service parameters define a level of precedence utilized for a call in the circuit-switched network corresponding to the level of precedence assigned to the data stream in the packet-switched network, wherein the circuit-switched service parameters define multi-level service information, said multi-level service information being selected from (a) precedence information to assign a priority to a call, and (b) pre-emption information for seizing resources for transporting higher precedence calls in the absence of idle resources;
wherein a mapping result is utilized to forward payload data across a network boundary between the packet-switched network and the circuit-switched network.
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Specification