WO2000077988A1 - System and method of providing a required quality of service (qos) level for a mobile-originated call routed through a packet-switched network - Google Patents
System and method of providing a required quality of service (qos) level for a mobile-originated call routed through a packet-switched network Download PDFInfo
- Publication number
- WO2000077988A1 WO2000077988A1 PCT/SE2000/001042 SE0001042W WO0077988A1 WO 2000077988 A1 WO2000077988 A1 WO 2000077988A1 SE 0001042 W SE0001042 W SE 0001042W WO 0077988 A1 WO0077988 A1 WO 0077988A1
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- WIPO (PCT)
- Prior art keywords
- packet
- network
- qos
- switched
- required qos
- Prior art date
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Classifications
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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
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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
- H04L65/1023—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
-
- 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
- H04L2012/5671—Support of voice
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
Definitions
- This invention relates to telecommunication systems and, more particularly, to a system and method of providing a required quality of service (QOS) level for a mobile-originated call that is routed through a packet-switched network.
- QOS quality of service
- MS mobile station
- NOIP Noice-Over-Internet- Protocol
- ISUP Services User Part
- MSC mobile switching center
- NOIP Gateway which provides an interface into the VOIP network.
- QOS quality of service
- the present invention is a system for providing a required quality of service (QOS) level for a call that is originated in a mobile radio telecommunications network and is routed through a packet-switched network.
- the system comprises a mobile switching center that sends an indication of the required QOS from the mobile network to the packet-switched network, means within the packet-switched network for determining whether the required QOS can be provided, and a gateway in the packet-switched network that sends an indication to the mobile network of whether the required QOS can be provided.
- QOS quality of service
- the present invention is a method of providing a required quality of service (QOS) level for a call that is originated in a mobile radio telecommunications network and is routed through a packet-switched network.
- the method comprises the steps of sending an indication of the required QOS from the mobile network to the packet-switched network, determining in the packet-switched network whether the required QOS can be provided, and sending an indication that the required QOS can be provided from the packet-switched network to the mobile network, upon determining that the required QOS can be provided.
- the method may also include sending an indication that the required QOS cannot be provided from the packet-switched network to the mobile network, upon determining that the required
- the indication may also provide the QOS level that is available.
- the present invention is a method of providing a required quality of service (QOS) level for a call that is originated in a mobile radio telecommunications network and is routed through a packet-switched network when the mobile switching center (MSC) is connected to a plurality of packet-switched networks.
- the MSC may simultaneously send an indication of the required QOS from the mobile network to each of the plurality of packet-switched networks.
- Each packet- switched network determines whether it can provide the required QOS, and sends an indication of whether the required QOS can be provided to the MSC.
- the MS C may sequentially query the packet-switching networks to determine the QOS available.
- the present invention is a method of accessing a packet- switched network from a mobile radio telecommunications network having an MSC.
- the method includes the steps of establishing a plurality of signaling connections between the MSC and a plurality of packet-switched networks, and sending a plurality of access messages from the MSC to the plurality of packet-switched networks. This is followed by sending an access response message from each of the plurality of packet-switched networks to the MSC, and selecting one of the responding packet- switched networks for access.
- FIG. 1 is a simplified block diagram of a network architecture in which the method of the present invention may be practiced in order to provide a required QOS level for a MS-originated call routed through a Voice-Over-Internet-Protocol (VOIP) network;
- VOIP Voice-Over-Internet-Protocol
- FIG. 2 is a sequence diagram illustrating the flow of messages between the
- FIG. 3 is a simplified block diagram of the preferred embodiment of an architecture for routing a MS-originated call through a VOIP network and for providing a required QOS level for the call;
- FIG. 4 is a sequence diagram illustrating the flow of messages for routing a
- FIG. 5 is a sequence diagram illustrating the flow of messages for routing a
- MS-originated call when the required QOS cannot be provided by any VOIP network when the required QOS cannot be provided by any VOIP network.
- the present invention is a system and method of providing a required quality of service (QOS) level for calls that are routed through a packet-switched network such as a Voice-Over-Internet-Protocol (VOIP) network, Asynchronous Transfer Mode (ATM) network, etc.
- QOS quality of service
- VOIP Voice-Over-Internet-Protocol
- ATM Asynchronous Transfer Mode
- the invention is primarily applicable to calls originated by a mobile station (MS) in a radio telecommunications network (i.e., MS-originated calls).
- MS-originated calls i.e., MS-originated calls.
- the invention provides a more robust network architecture than architectures that have currently been proposed.
- FIG. 1 is a simplified block diagram of a network architecture 1 in which the method of the present invention may be practiced in order to provide a required QOS level for a call originated by a mobile station (MS) 2 which is routed through a VOIP network 3.
- An MSC 4 utilizes Integrated Services User Part (ISUP) messages to set up a connection 5 with a VOIP Gateway (GW) 6.
- the destination in the VOIP network is a Terminating Gateway (T-GW) 7.
- a Gate Keeper (GK) 8 maintains an overall status of the VOIP network regarding latency delays, congestion, etc. Calls which are successfully routed through the VOIP network are sent from the T-GW to a Service Switching Point (SSP) 9 for further routing.
- FIG. 2 is a sequence diagram illustrating the flow of messages between the
- An ISUP Initial Address Message (IAM) 11 is sent from the MSC to the Gateway with a newly defined QOS Required parameter 12.
- the QOS Required parameter specifies performance levels which impact QOS such as, for example, the number of router hops allowed in the VOIP network 3, the bandwidth required, and/or the latency in terms of time allowed for packet transport to the T-GW 7.
- the Gateway may confer with the Gate Keeper 8 utilizing procedures outlined in H.323 to determine whether it is possible to provide the QOS required. This determination is based on the MDN provided in the IAM message which determines the T-GW at the destination end of the network.
- the Gateway sends an Admission Request (ARQ) message 13 to the Gate Keeper which makes its QOS determination and returns an Admission Confirmation (ACF) message 14 to the Gateway.
- ARQ Admission Request
- ACF Admission Confirmation
- Table 1 illustrates the use of the QOS Required parameter in the ISUP Initial Address Message (IAM).
- the Gateway 6 sends an ISUP Address Complete Message (ACM) 15 to the MSC 4 and includes a QOS Available parameter 16 that indicates the QOS level that the VOIP network can provide, and thus indicates whether the VOIP network can satisfy the demanded quality of service (QOS)
- ACM ISUP Address Complete Message
- the call is routed to the Gateway, through the VOIP network 3, and to the SSP 9.
- Table 2 illustrates the use of the QOS Available parameter in the ISUP Address Complete Message (ACM).
- Some applications require more bandwidth in the VOIP network than others, and at any one time, several applications may compete for available bandwidth.
- the mobile call must have sufficient bandwidth allocated to it to ensure the required QOS is provided. If the mobile call also has data or graphics associated with it, the VOIP network may indicate an available bandwidth that is sufficient for voice only.
- the MSC may then attempt to route the call through another VOIP network or the PSTN, or may provide an announcement to the calling subscriber informing him/her that only resources for voice calls are available.
- FIG. 3 is a simplified block diagram of the preferred embodiment of an architecture 20 for routing a MS-originated call through a VOIP network and for providing a required QOS level for the call.
- the MSC 4 utilizes a plurality of ISUP connections 21 to communicate with a plurality of VOIP Gateways 22-25.
- Gateway- 1 A (22) and Gateway- IB (23) are connected to VOIP Network- 1 (26), and Gateway-2A (24) and Gateway-2B (25) are connected to VOIP Network-2 (27).
- T-GW-1 Terminating Gateway- 1
- GK-1 Gate Keeper- 1
- T-GW-2 Terminating Gateway-2
- GK-2 Gate Keeper-2
- Calls transported by either VOIP Network- 1 or VOIP Network-2 are routed to the
- FIG. 4 is a sequence diagram illustrating the flow of messages for routing a MS-originated call through a VOIP network when the MSC 4 is connected to more than one VOIP Gateway and to one or more VOIP networks.
- the MSC is illustrated as being connected to Gateway- 1 A (22), Gateway-2 A (24), and a plurality of other Gateways including Gateway-N (33).
- the MSC may send ISUP messages to many gateways in one or more VOIP networks. The call, therefore, is more likely to be successfully set up with the required QOS.
- the MSC 4 sends a plurality of IAM messages 34-36, one to each of the connected Gateways.
- the IAM messages each include the QOS Required parameter
- the MSC may have a preferred Gateway which is always tried first.
- each of the Gateways may then confer with a Gate Keeper associated with the VOIP network to which the Gateway is connected to determine the level of QOS which can be provided.
- each Gateway returns an ACM message to the MSC 4 and includes the QOS Available parameter 16.
- the QOS Available parameter indicates the QOS level that the VOIP network can provide, and thus indicates whether the VOIP network can satisfy the demanded quality of service (QOS Required).
- the call may then be routed in one of several alternative ways.
- the MSC may route the call to the first Gateway that sends an ACM message with a QOS Available which meets or exceeds the QOS Required.
- the MSC may collect responses for a predetermined time period and then route the call to the Gateway which reported the best QOS Available.
- FIG. 5 is a sequence diagram illustrating the flow of messages for routing a
- the MSC 4 sends a plurality of IAM messages 41 -43, one to each of the connected Gateways, and includes the QOS Required parameter in each message. Each VOIP network then determines whether or not it can provide the required QOS. Each Gateway then returns an ACM message to the MSC 4 and includes the QOS Available parameter. In the example illustrated in FIG. 5, none of the associated VOIP networks can provide the required QOS. Therefore, the MSC may, at 48, route the call to a node in an alternative network such as the Public Switched Telephone Network (PSTN) instead of a VOIP network.
- PSTN Public Switched Telephone Network
- the subscriber may pay a higher rate since the call is routed through the PSTN.
- An appropriate rate must be determined, and the operator may provide the call at the VOIP network rate since the subscriber attempted the call through the VOIP network, but the VOIP network could not provide the service.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU58572/00A AU5857200A (en) | 1999-06-15 | 2000-05-23 | System and method of providing a required quality of service (qos) level for a mobile-originated call routed through packet-switched network |
CA002376160A CA2376160A1 (en) | 1999-06-15 | 2000-05-23 | System and method of providing a required quality of service (qos) level for a mobile-originated call routed through a packet-switched network |
EP00944480A EP1190538A1 (en) | 1999-06-15 | 2000-05-23 | System and method of providing a required quality of service (qos) level for a mobile-originated call routed through a packet-switched network |
BR0011577-0A BR0011577A (en) | 1999-06-15 | 2000-05-23 | Method and system for providing a level of quality of service required for a call that originates on a mobile radio telecommunications network and is routed via a packet-switched network, and, a method of accessing a packet-switched network at from a mobile radio telecommunications network |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33403999A | 1999-06-15 | 1999-06-15 | |
US09/334,039 | 1999-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000077988A1 true WO2000077988A1 (en) | 2000-12-21 |
Family
ID=23305315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2000/001042 WO2000077988A1 (en) | 1999-06-15 | 2000-05-23 | System and method of providing a required quality of service (qos) level for a mobile-originated call routed through a packet-switched network |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1190538A1 (en) |
CN (1) | CN1369161A (en) |
AR (1) | AR024161A1 (en) |
AU (1) | AU5857200A (en) |
BR (1) | BR0011577A (en) |
CA (1) | CA2376160A1 (en) |
WO (1) | WO2000077988A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002058325A2 (en) * | 2001-01-10 | 2002-07-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for coordinating end-to-end quality of service requirements for media flows in a multimedia session |
EP1250021A1 (en) * | 2001-04-09 | 2002-10-16 | Lucent Technologies Inc. | Providing quality of service in telecommunications systems such as UMTS or other third generation systems |
EP1276294A2 (en) * | 2001-07-11 | 2003-01-15 | Siemens Aktiengesellschaft | Method for supporting Quality Of Service parameters in heterogeneous communication networks |
KR100410974B1 (en) * | 2001-07-12 | 2003-12-12 | 엘지전자 주식회사 | GATEKEEPER USE OF QoS OFFERING METHOD AND SYSTEM |
US7013338B1 (en) | 2000-07-28 | 2006-03-14 | Prominence Networks, Inc. | Multiplexing several individual application sessions over a pre-allocated reservation protocol session |
KR100730397B1 (en) * | 2006-05-23 | 2007-06-20 | 노키아 코포레이션 | Method and system for establishing a connection between network elements |
WO2007091794A1 (en) * | 2006-02-06 | 2007-08-16 | Lg Electronics Inc. | Method for controlling vcc functions initiated by network and terminal and network server thereof |
US7266683B1 (en) | 2001-07-27 | 2007-09-04 | Siddhartha Nag | Selective encryption of application session packets |
EP1959695A1 (en) * | 2000-10-09 | 2008-08-20 | Nokia Corporation | Method and system for establishing or modifying a connection |
US7684786B2 (en) | 2003-08-26 | 2010-03-23 | Nokia Corporation | Method and system for establishing a connection between network elements |
US7774468B1 (en) | 2000-07-28 | 2010-08-10 | Siddhartha Nag | Network traffic admission control |
US7886054B1 (en) * | 2000-10-11 | 2011-02-08 | Siddhartha Nag | Graphical user interface (GUI) for administering a network implementing media aggregation |
US8929394B2 (en) | 2000-07-28 | 2015-01-06 | Prom Ks Mgmt Limited Liability Company | End-to-end service quality for latency-intensive internet protocol (IP) applications in a heterogeneous, multi-vendor environment |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR0318524A (en) * | 2003-09-30 | 2006-09-12 | Thomson Licensing | quality of service control over a wireless LAN |
WO2006020105A1 (en) * | 2004-07-19 | 2006-02-23 | Nortel Networks Limited | Admission control and policing in wireless packet data communication system |
EP1851918B1 (en) * | 2005-02-01 | 2011-06-15 | Telefonaktiebolaget LM Ericsson (publ) | Automatic quality of service class management |
ATE522111T1 (en) | 2005-06-01 | 2011-09-15 | Huawei Tech Co Ltd | METHOD AND SYSTEM FOR PROVIDING QUALITY ASSURANCE IN A WIRELESS COMMUNICATIONS SYSTEM |
CN100428694C (en) * | 2006-04-29 | 2008-10-22 | 华为技术有限公司 | Method and system for controlling IP bearing network service quality |
EP2510655A4 (en) * | 2009-12-09 | 2016-12-21 | ERICSSON TELEFON AB L M (publ) | Call switching in packet-based communication networks |
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WO1998053576A2 (en) * | 1997-05-20 | 1998-11-26 | Telefonaktiebolaget Lm Ericsson | Method related to gprs (general packet radio service) system providing packet switched connections |
WO1998059505A1 (en) * | 1997-06-20 | 1998-12-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Data packet radio service with enhanced mobility management |
WO1999005828A1 (en) * | 1997-07-25 | 1999-02-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic quality of service reservation in a mobile communications network |
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WO1999016266A1 (en) * | 1997-09-25 | 1999-04-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Selectable packet-switched and circuit-switched services in a mobile communications network |
-
2000
- 2000-05-23 CA CA002376160A patent/CA2376160A1/en not_active Abandoned
- 2000-05-23 EP EP00944480A patent/EP1190538A1/en not_active Withdrawn
- 2000-05-23 BR BR0011577-0A patent/BR0011577A/en not_active Application Discontinuation
- 2000-05-23 CN CN00811537A patent/CN1369161A/en active Pending
- 2000-05-23 WO PCT/SE2000/001042 patent/WO2000077988A1/en not_active Application Discontinuation
- 2000-05-23 AU AU58572/00A patent/AU5857200A/en not_active Abandoned
- 2000-05-31 AR ARP000102676A patent/AR024161A1/en unknown
Patent Citations (7)
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Also Published As
Publication number | Publication date |
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EP1190538A1 (en) | 2002-03-27 |
AU5857200A (en) | 2001-01-02 |
BR0011577A (en) | 2002-03-05 |
CA2376160A1 (en) | 2000-12-21 |
AR024161A1 (en) | 2002-09-04 |
CN1369161A (en) | 2002-09-11 |
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