CN1369161A - System and method of providing required quality of service (QOS) level for mobile-originated call routed through packet-switched network - Google Patents

System and method of providing required quality of service (QOS) level for mobile-originated call routed through packet-switched network Download PDF

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Publication number
CN1369161A
CN1369161A CN00811537A CN00811537A CN1369161A CN 1369161 A CN1369161 A CN 1369161A CN 00811537 A CN00811537 A CN 00811537A CN 00811537 A CN00811537 A CN 00811537A CN 1369161 A CN1369161 A CN 1369161A
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packet switching
network
qos
mobile
switching network
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A·迪伯蒂乌斯
S·加里吉帕蒂
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H04L65/104—Signalling gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/302—Route determination based on requested QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H04L65/103—Media gateways in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5607—Radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5629—Admission control
    • H04L2012/563—Signalling, e.g. protocols, reference model
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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    • H04L2012/5671—Support of voice
    • H—ELECTRICITY
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1225—Details of core network interconnection arrangements
    • H04M7/1235—Details of core network interconnection arrangements where one of the core networks is a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/125—Details of gateway equipment
    • H04M7/1255—Details of gateway equipment where the switching fabric and the switching logic are decomposed such as in Media Gateway Control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1275—Methods and means to improve the telephone service quality, e.g. reservation, prioritisation or admission control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13098—Mobile subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13166—Fault prevention
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13345—Intelligent networks, SCP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13389—LAN, internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/24—Interfaces between hierarchically similar devices between backbone network devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A system and method of providing a required quality of sercice (QOS) level for a call that is originated in a mobile radio telecommunications network and is routed through a Voice-Over-Internet-Protocol (VOIP) network(3). Signaling connections are established between a mobile switching center (MSC) (4) in the mobile network and at least one VOIP gateway (6). The MSC sends an Initial Address Message (IAM) (11) to the VOIP gateway and includes a new QOS Required parameter (12). The gateway confers with a gate keeper (8) in the VOIP network to determine whether the required QOS can be provided. If the required QOS can be provided, an indication that the required QOS can be provided is sent from the packet-switched network to the mobile network. If the required QOS cannot be provided, an indication (16) that the required QOS cannot be provided is sent from the packet-switched network to the mobile network.

Description

The mobile-originated call that passes through the packet switching network for routing provides required service quality (QOS) level other system and method
Background of invention
The invention technical field
The present invention relates to telecommunication system, is that a kind of mobile-originated call for the routing process packet switching network provides required service quality (QOS) level other system and method specifically.
Description of Related Art
Have network architecture existing and suggestion at present, calling (the being the MS originating call) routing that is used for radio telecommunication network travelling carriage (MS) is started is through the grouping of network switching network such as voice over the Internet protocol (VOIP).In these architectures, set up to call out and will be in mobile network to use integrated service User Part (ISUP) signaling between a certain mobile switching centre (MSC) and a certain VOIP gateway that is provided to the VOIP network interface.But the ISUP between MSC and gateway does not possess other any negotiation of mobile network required service quality (QOS) level alternately at present.Since do not consult at present, any QOS that mobile network just must adopt VOIP to provide.
Nowadays, because the restriction mobile network of air interface has the QOS lower than wired network usually.For long distance call, mobile calls is transferred to this public switched telephone network (PSTN) as Circuit Switching Network and keeps QOS.If the mobile calls routing through the VOIP net, then needs certain QOS to guarantee can accept under the rank to guarantee that QOS can not drop to.Between current MSC and the VOIP gateway is not to call out not guarantee QOS alternately.
To above-mentioned defective disclosed herein and deficiency, also there is not known prior art teaching about solution.In order to overcome the disadvantage of existing solution, advantageously having a kind of mobile-originated call for the routing process packet switching network provides required service quality (QOS) level other system and method.And this system should provide a kind of more healthy and stronger network architecture.The present invention just provides a kind of like this system and method.
Summary of the invention
On the one hand, the present invention is a kind of for starting in mobile radio telecommunication network and routing provides required service quality (QOS) level other system through the calling of the packet switching network.This system comprise one be used for from mobile network to the packet switching network send required QOS indication mobile switching centre, in the packet switching network, be used for determining to provide device and a gateway that in the packet switching network, is used for sending the indication that required QOS can be provided of required QOS to mobile network.
On the other hand, the present invention is a kind of for starting in mobile radio telecommunication network and routing provides required service quality (QOS) level other method through the calling of the packet switching network.Can this method may further comprise the steps: send the indication of required QOS, determine provide required QOS the packet switching network, in a single day determine to provide required QOS just to send the indication that required QOS can be provided to mobile network from the packet switching network then to the packet switching network from mobile network.In case also may comprising, this method determine to provide required QOS just to send the indication that required QOS can not be provided to mobile network from the packet switching network.This indication also can provide available QOS rank.
Another aspect, the present invention be a kind of mobile switching centre (MSC) when linking a plurality of packet switching network in mobile radio telecommunication network, starting and routing provides required service quality (QOS) level other method through the calling of a certain packet switching network.This MSC can be simultaneously from the mobile network indication of the required QOS of each net transmission to a plurality of packet switching networks respectively.Then, each packet switching network is determined the indication that can it provide required QOS and required QOS is provided to this MSC transmission.Optionally, MSC can use with definite this QOS by the sequential query packet switching network.Afterwards, determined whether that in MSC the packet switching network can provide required QOS, come this calling of route in case definite one of them packet switching network at least can provide required QOS just to select one by MSC from these a plurality of packet switching networks then.
Also have on the one hand, the present invention is a kind of method that inserts certain packet switching network from the mobile radio telecommunication network with MSC.This method comprises these steps: set up a plurality of signalings and connect, send a plurality of access message from MSC to these a plurality of packet switching networks between MSC and a plurality of packet switching network.Afterwards, each net sends to MSC respectively and inserts response message from a plurality of packet switching networks, selects one then from the packet switching network of response and inserts.
The accompanying drawing summary
For a person skilled in the art, can be easier to understand in conjunction with the present invention is described in detail in detail with reference to following accompanying drawing, its a plurality of purposes and advantage also can be more obvious, wherein:
Fig. 1 is the simplified block diagram of network architecture, wherein can implement method of the present invention so that provide required QOS rank to routing through the MS originating call of network of voice over the Internet protocol (VOIP);
Fig. 2 is used for the sequence chart of routing through the message flow of the MS originating call of VOIP net between MSC and the VOIP gateway in the key diagram 1;
Fig. 3 is the simplified block diagram of architecture preferred embodiment, and wherein this architecture is used for providing required QOS rank through the VOIP networking by the MS originating call and for this calling;
Fig. 4 be explanation when MSC links an above VOIP gateway through the sequence chart of VOIP networking by the message flow of MS originating call; And
Fig. 5 is the sequence chart of explanation message flow of route MS originating call when not having the VOIP net to provide required QOS.
Embodiment describes in detail
The present invention is that the calling of grouping switching networks such as a kind of network for routing process such as voice over the Internet protocol (VOIP), ATM(Asynchronous Transfer Mode) network provides required service quality (QOS) level other system and method.The present invention is mainly used in the calling (being the MS originating call) of being started by travelling carriage in the radio telecommunication network (MS).In addition, the invention provides a kind of than current network architecture of advising that architecture is more healthy and stronger.
Fig. 1 is the simplified block diagram of network architecture 1, wherein can implement method of the present invention so that provide required QOS rank to routing through travelling carriage (MS) 2 originating calls of VOIP net 3.MSC 4 use integrated service User Part (ISUP) message set up with a VOIP gateway (GW) 6 be connected 5.Destination in the VOIP net is a terminating gateway (T-GW) 7.The pass is kept (GK) 8 and is safeguarded whole states about latency delays, VOIP net such as congested.The calling that the success routing is netted through VOIP is sent to Service Switching Point 9 from T-GW and makes further route.
Fig. 2 is used for the sequence chart of routing through the message flow of the MS originating call of VOIP net 3 between MSC 4 and the VOIP gateway 6 in the key diagram 1.The ISUP initial address message (IAM) 11 that has the required QOS parameter 12 of redetermination is sent to gateway from MSC.The stand-by period that required QOS parameter has been specified the router hops that allows in the performance class that influences QOS such as the VOIP net 3, required bandwidth and/or allowed to T-GW 7 transmission groupings.The process ginseng inquiry pass that gateway is summarized in can using is H.323 kept 8 and is determined whether required QOS may be provided.This definite based on the MDN that is provided in IAM message, it has determined the T-GW at the network destination.Gateway is kept to send to the pass and is admitted request (ARQ) message 13, determines its QOS and returns admission confirmation (ACF) message 14 to gateway and close to keep.
Following table 1 has illustrated the purposes of required QOS parameter in ISUP initial address message (IAM).
ISUP initial address message (IAM)
Required QOS parameter sends with following form as optional parameters:
Required QOS Value Remarks
The optional parameters code Be made as the value of any appropriate
The optional parameters length indicator Indication is used for time delay (stand-by period) request, router hops request and the required eight bit byte sum of available bandwidth request with millisecond meter
The optional parameters eight bit byte Time delay (stand-by period) request, router hops request and available bandwidth request with millisecond meter
Table 1
After determining QOS, gateway 6 sends ISUP address complete message (ACM) 15 to MSC 4, and the QOS rank that available QOS parameter 16 has indicated the VOIP net to provide is provided, thereby indicated the VOIP net whether can satisfy desired service quality (required QOS).If can support required QOS, then call routing is to gateway, through the VOIP net, to SSP 9.
Following table 2 has illustrated the purposes of available QOS parameter in ISUP address complete message (ACM).
ISUP address complete message (ACM)
Available QOS parameter sends with following form as optional parameters:
Available QOS Value Remarks
The optional parameters code Be made as the value of any appropriate
The optional parameters length indicator Indicated the required eight bit byte sum of time delay (stand-by period), router hops and available bandwidth with millisecond meter
The optional parameters eight bit byte Time delay (stand-by period), router hops and available bandwidth with millisecond meter
Table 2
Some is used than more bandwidth in other application needs VOIP net, and also may compete available bandwidth in a plurality of application of any synchronization.Mobile calls must have enough bandwidth of distributing to it and be provided to guarantee required QOS.If mobile calls also has associated data or figure, then the VOIP net only may be indicated enough available bandwidths of voice.So MSC may attempt perhaps may provide an announcement to main calling party with calling route process another VOIP net or PSTN, the resource of notifying him only to be useful on audio call can be used.
Fig. 3 is the simplified block diagram of architecture 20 preferred embodiments, and wherein this architecture is used to make the routing of MS originating call to provide required QOS rank through the VOIP net and for this calling.In preferred embodiments, MSC 4 uses a plurality of ISUP to connect 21 to communicate by letter with a plurality of VOIP gateways 22～25.Each VOIP net has a plurality of gateways, and this architecture may relate to a plurality of VOIP nets.In reality realizes, when the operation VOIP of IXC that competes with it as the operation MSC of local telecommunication company netted, this configuration just may appear.
In example shown in Figure 3, gateway-1A (22) and gateway-1B (23) link VOIP net-1 (26), and gateway-2A (24) and gateway-2B (25) link VOIP net-2 (27).Terminating side at VOIP net-1 is a terminating gateway-1 (T-GW-1) 28.It also is the part of VOIP net-1 that-1 (GK-1) 29 kept in the pass.Terminating side at VOIP net-2 is a terminating gateway-2 (T-GW-2) 31.It also is the part of VOIP net-2 that-2 (GK-2) 32 are kept in the pass.Calling by VOIP net-1 or VOIP net-2 transmission is routed to SSP 9.
Can provide more healthy and stronger architecture by MSC 4 being linked a plurality of gateways 22～25.At present contemplated architecture is only used single gateway, and single gateway may lose efficacy and causes wireless network can't insert the VOIP net.Even a plurality of gateways provide redundant and the path that can insert the VOIP net still were provided when a certain gateway lost efficacy.
Fig. 4 is that explanation makes call routing that MS the starts sequence chart through the message flow of a certain VOIP net when MSC4 links an above VOIP gateway and one or more VOIP net.For illustrative purposes, MSC is expressed as a plurality of other gateways of linking gateway-1A (22), gateway-2A (24) and comprising gateway-N (33).In this configuration, MSC can send to a plurality of gateways in the one or more VOIP net to isup message.Therefore, calling is more likely successfully set up with required QOS.
MSC 4 sends a plurality of IAM message 34～36, networks for each and closes one.Each all comprises required QOS parameter 12 this IAM message, and as long as call set-up time does not have overtimely just can be sent to each gateway simultaneously or sequentially.Send if IAM message is order, then MSC may have the preferred gateways of always at first attempting.
As top shown in Figure 2, keep so each gateway can be joined the pass of asking with VOIP gateway connection, and gateway is just linked the QOS rank that this pass is kept can be provided to determine.After determining QOS, each gateway returns ACM message to MSC 4 respectively, comprising available QOS parameter 16.The QOS rank that available QOS parameter has indicated the VOIP net to provide, thus indicated the VOIP net whether can satisfy desired service quality (required QOS).
Then, calling can one of them carries out routing with the plurality of optional mode.At first, MSC can route calls to first transmission and has the gateway of ACM message that satisfies or surpass the available QOS of required QOS.Secondly, MSC can gather response in the predetermined time cycle, routes calls to the gateway of having reported best available QOS then.
Fig. 5 is the sequence chart of explanation message flow of route MS originating call when any VOIP net all can not provide required QOS.Initial process is described identical with Fig. 4.MSC 4 sends a plurality of IAM message 41～43, networks for each and closes one, wherein comprises required QOS parameter in each message.Then, each VOIP net determines that can it provide required QOS.Then, each gateway returns ACM message to MSC 4, comprising available QOS parameter.In example shown in Figure 5, the VOIP net that is associated all can not provide required QOS.Therefore, certain node rather than VOIP net in 48 MSC of place can route calls to such as the optional network specific digit of public switched telephone network (PSTN).Owing to one of advantage that call routing is netted through VOIP is that the trunk call charge is lower, so will be paid than higher price through PSTN user by routing because of calling.Can determine suitable price, and because the user attempts to call out through the VOIP net, so operator provides calling with this VOIP net price, but the VOIP net can not provide this business.
Therefore can be sure of from top description, can obviously find out operation of the present invention and structure.Although shown in and described system and method be characterized as preferably, obviously may make various changes and modification, and this does not break away from the scope of the invention described in the following claim.

Claims (20)

1. one kind for calling provides required service quality (QOS) level other method, wherein this call out in mobile radio telecommunication network, start and routing through the packet switching network, said method comprising the steps of:
Send the indication of required QOS to the packet switching network from mobile network;
Can determine in the packet switching network provide required QOS; And
In case determine to provide required QOS just to send the indication that required QOS can be provided to mobile network from the packet switching network.
2. determine to provide required QOS just to send the indication that required QOS can not be provided to mobile network from the packet switching network in case provide required other method of QOS level also to comprise in the claim 1.
3. required other method of QOS level is provided in the claim 2, and wherein sending to provide the step of required QOS indication to comprise other indication of QOS level that transmission can provide.
4. required other method of QOS level is provided in the claim 2, wherein the packet switching network is the network of voice over the Internet protocol (VOIP), and comprises that to the step that the packet switching network sends required QOS indication certain mobile switching centre certain gateway in the VOIP net sends message from mobile network from mobile network.
5. required other method of QOS level is provided in the claim 4, and wherein the step of certain mobile switching centre certain gateway transmission message in the VOIP net comprises the initial address message (IAM) that transmission has required QOS parameter from mobile network.
6. required other method of QOS level is provided in the claim 5, and the step that wherein sends the IAM message with required QOS parameter comprises the required QOS parameter of transmission, comprising the required restriction to stand-by period, router hops and bandwidth in the VOIP net.
7. required other method of QOS level is provided in the claim 6, wherein in the packet switching network, determines to provide the step of required QOS to comprise that certain pass is kept from the VOIP net and determine in the VOIP net, whether can satisfy required restriction stand-by period, router hops and bandwidth.
8. provide required other method of QOS level also to be included in after mobile network sends the indication that required QOS can not be provided in the claim 2 by a certain this calling of alternate network route.
9. one kind for calling provides required service quality (QOS) level other system, wherein this calling be in mobile radio telecommunication network, start and routing through the packet switching network, described system comprises:
A mobile switching centre that sends required QOS indication from mobile network to the packet switching network;
In the packet switching network, determine to provide the device of required QOS; And
Can one send the gateway that required QOS indication is provided to mobile network in the packet switching network.
10. provide required QOS level other system in the claim 9, can wherein the packet switching network be the network of voice over the Internet protocol (VOIP), and determine to provide the device of required QOS to comprise that the pass of stand-by period, router hops and available bandwidth in the definite VOIP net keeps.
11. one kind for calling provides required service quality (QOS) level other method, wherein this call out in mobile radio telecommunication network, start and routing through the packet switching network, said method comprising the steps of:
Certain mobile switching centre in the mobile network is linked a plurality of packet switching networks;
Send the indication of required QOS simultaneously from mobile network each net to these a plurality of packet switching networks;
Can determine in each packet switching network provide required QOS;
Can each net send the indication that required QOS is provided to mobile network from these a plurality of packet switching networks;
Determined whether that in mobile switching centre the packet switching network can provide required QOS; And
In case determine that one of them packet switching network can provide required QOS at least, then from these a plurality of packet switching networks, select one and come this calling of route by mobile switching centre.
12. required other method of QOS level is provided in the claim 11, wherein from a plurality of packet switching networks, selects a step of coming route to call out that the packet switching network of selecting first transmission can provide required QOS to indicate is provided.
13. required other method of QOS level is provided in the claim 11, wherein from a plurality of packet switching networks, selects a step of coming route to call out may further comprise the steps:
Determine a time cycle that is used for receiving the indication that required QOS can be provided from each net of a plurality of packet switching networks; And
Selection has the highest other packet switching network of QOS level that receives in the time cycle at determining.
14. in case provide required other method of QOS level also to comprise in the claim 11 to determine not have the packet switching network that required QOS can be provided then by a certain this calling of alternate network route.
15. one kind for calling provides required service quality (QOS) level other method, wherein this call out in mobile radio telecommunication network, start and routing through the packet switching network, said method comprising the steps of:
(A) a certain mobile switching centre in the mobile network is linked a plurality of packet switching networks;
(B) send the indication of required QOS to certain selected packet switching network from this mobile network;
(C) in the selected packet switching network, determine required QOS can be provided;
(D) send the indication that required QOS can be provided to mobile network from the selected packet switching network;
(E) determine that in mobile switching centre can the selected packet switching network provide required QOS;
(F) in case definite selected packet switching network can not provide required QOS, then select another packet switching network and repeating step (A) to (E); And
(G) in case determine the selected packet switching network and required QOS can be provided then route the call to the selected packet switching network.
16. one kind is inserted the method for certain packet switching network from the mobile radio telecommunication network with mobile switching centre (MSC), said method comprising the steps of:
Setting up a plurality of signalings between MSC and a plurality of packet switching network connects;
Send a plurality of access message from MSC to a plurality of packet switching networks;
Each net sends to MSC and inserts response message from these a plurality of packet switching networks; And
Selecting one from the packet switching network of response inserts.
17. insert the method for certain packet switching network in the claim 16 from mobile radio telecommunication network, wherein comprise that to the step that a plurality of packet switching networks send a plurality of access message transmission comprises the message of required service quality (QOS) rank indication from MSC.
18. insert the method for certain packet switching network in the claim 17 from mobile radio telecommunication network, wherein the step that each net send to insert response message to MSC from these a plurality of packet switching networks comprises and sends the access response message that the QOS rank indication that can be provided by each packet switching network is provided.
19. insert the method for certain packet switching network in the claim 18 from mobile radio telecommunication network, wherein from the packet switching network of response, select a step that inserts to comprise and select first to indicate the packet switching network that responds so that required QOS rank can be provided.
20. insert the method for certain packet switching network in the claim 18 from mobile radio telecommunication network, wherein select a step that inserts may further comprise the steps from the packet switching network of response:
Determine a time cycle that is used for receiving the indication that required QOS can be provided from each net of a plurality of packet switching networks; And
Selection has the highest other packet switching network of QOS level that receives in the time cycle at determining.
CN00811537A 1999-06-15 2000-05-23 System and method of providing required quality of service (QOS) level for mobile-originated call routed through packet-switched network Pending CN1369161A (en)

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BR0011577A (en) 2002-03-05

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