CN100515116C - Method and system for delivering service quality parameters - Google Patents
Method and system for delivering service quality parameters Download PDFInfo
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- CN100515116C CN100515116C CNB200510115887XA CN200510115887A CN100515116C CN 100515116 C CN100515116 C CN 100515116C CN B200510115887X A CNB200510115887X A CN B200510115887XA CN 200510115887 A CN200510115887 A CN 200510115887A CN 100515116 C CN100515116 C CN 100515116C
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Abstract
When source BSS receives switching request from destination BSS, the method is applicable to switching flow. The method includes steps: source BSS sends quality of service (QoS) parameter to source BSS; based on QoS parameter from BSS, the destination BSS generates QoS parameter of destination network; destination network sends generated QoS parameter to mobile station. The invention also discloses system for transferring QoS parameter. Through transferring QoS parameter in switching procedure, the invention makes each network element obtain QoS parameter in time so as to provide base for guaranteeing QoS from end to end.
Description
Technical field
The present invention relates to a kind of communication technology, relate in particular to a kind of method and system of transmission QoS (service quality) parameter.
Background technology
Along with the development of Internet (the Internet) with wireless traffic, the user is more and more higher to the requirement of wireless data service, wishes that wireless data service when can providing abundant business, also can provide high-quality business.At present, in wireless data service, can provide abundant business for the user by the real-time multimedia business.
The real commercialization of real-time multimedia business depends on the support of system to end-to-end qos parameter.Described qos parameter is a set, comprises traffic stream identifier, flow path direction, stream mode etc., and in the 3GPP2 of prior art definition, qos parameter also comprises qos parameter _ ATTRIBUTE_SET (quality of service attribute parameter sets).Comprise among described qos parameter _ ATTRIBUTE_SET that type of service, peak rate, token bucket size, token produce speed, maximum delay, maximum Loss Rate and delay jitter sensitivity etc. whether.
In the prior art, can support the abundant delay sensitive business of technical support such as multi-user's bag by oppositely throughput enhancing, forward direction before the air interface as HRPD Rev.A system, so that provide qos parameter to guarantee.In order to ensure qos parameter, in the wireless access network interoperability agreement that matches with the technology of eating dishes without rice or wine, also need the relevant signaling process of qos parameter and cooperate.
Yet, in the prior art, only disclose as 3GPP2 A.S0008 Rev0 between the BSS (base station sub-system) of dormant state and switched, but in handoff procedure, do not considered the transmission of qos parameter, therefore, can not guarantee the QoS of service after switching in this case.In addition, at present the 3GPP2 normal structure is being discussed between BSS under the activated state and is being switched, i.e. direct-cut operation between BSS, but do not consider the qos parameter pass through mechanism yet, therefore, can not guarantee the QoS of service after switching in this case.
Summary of the invention
Target of the present invention provides a kind of method and system that transmits qos parameter, is applied in the handoff procedure, transmits qos parameter between source network and objective network, thereby has guaranteed the qos parameter of business under the switch instances.
The invention discloses a kind of method of delivering service quality parameters, be applied in the switching flow, when source network was received the handoff request of objective network, described method comprised:
A, subsystem of objective base station receive QoS parameter and traffic stream service qualitative attribute from source base station subsystem;
B, subsystem of objective base station are according to the parameter that guarantees service quality that generates objective network from the QoS parameter of source base station subsystem;
C, subsystem of objective base station are authorized the parameter that guarantees service quality that described subsystem of objective base station generates according to the traffic stream service qualitative attribute from described source base station subsystem, and the parameter that guarantees service quality after will authorizing is issued travelling carriage.
The QoS parameter of described source base station subsystem comprises subscription service mass parameter, authorization service mass parameter, the parameter that guarantees service quality and request QoS parameter.
Also carried out before execution in step A: policy deciding functional entity is handed down to the traffic stream service qualitative attribute base station sub-system of source network.
Described step C specifically comprises: subsystem of objective base station is issued travelling carriage with the parameter that guarantees service quality of the subsystem of objective base station of generation.
Described step C also comprises: subsystem of objective base station is issued packet data serving node with the parameter that guarantees service quality of the subsystem of objective base station of generation.
The invention also discloses a kind of system of delivering service quality parameters, described system comprises: source base station subsystem, packet data serving node, policy deciding functional entity and subsystem of objective base station,
Source base station subsystem is used to generate the parameter that guarantees service quality of source base station subsystem, and the parameter that guarantees service quality of source base station subsystem is issued packet data serving node; Described source base station subsystem also is used for authorization service mass parameter and the traffic stream service qualitative attribute that the receiving block data service node issues; And the subscription service qualitative attribute parameter of source base station subsystem, traffic stream service qualitative attribute, authorization service mass parameter, the parameter that guarantees service quality and request QoS parameter sent to subsystem of objective base station;
Packet data serving node, be used for the parameter that guarantees service quality of source base station subsystem is issued policy deciding functional entity, the parameter that guarantees service quality that policy deciding functional entity is sent is carried out approval authority of contract signature, generate the authorization service mass parameter, and the authorization service mass parameter that generates is issued source base station subsystem;
Policy deciding functional entity is used for the parameter that guarantees service quality that packet data serving node is sent is carried out service authorization, and the parameter that guarantees service quality of service authorization is issued packet data serving node;
Subsystem of objective base station, the subscription service qualitative attribute parameter, traffic stream service qualitative attribute, authorization service mass parameter, the parameter that guarantees service quality and the request QoS parameter that are used for the reception sources base station sub-system, generate the parameter that guarantees service quality of subsystem of objective base station, and the parameter that guarantees service quality of subsystem of objective base station is issued packet data serving node and travelling carriage.
The invention also discloses a kind of base station sub-system, comprising:
Processing unit is used for generating the parameter that guarantees service quality, and according to the traffic stream service qualitative attribute parameter that guarantees service quality that generates is authorized;
Receiving element is used for subscription service mass parameter, authorization service mass parameter and traffic stream service qualitative attribute that the receiving block data service node issues, and the request QoS parameter of receiving mobile;
Transmitting element is used for the parameter that guarantees service quality after the processing unit mandate is issued packet data serving node and travelling carriage; In handoff procedure, described transmitting element is used for the traffic stream service qualitative attribute of source network, subscription service qualitative attribute parameter, authorization service mass parameter, the parameter that guarantees service quality and request QoS parameter are sent to subsystem of objective base station.
Described processing unit comprises:
Generation unit is used for according to the subscription service mass parameter, and authorization service mass parameter, request QoS parameter generate the parameter that guarantees service quality;
Comparing unit is used for the parameter that guarantees service quality of the guarantee service quality parameter and the source network of objective network is compared, if comparative result is inconsistent, then the parameter that guarantees service quality of objective network is issued travelling carriage and packet data serving node;
Granted unit is used for according to the traffic stream service qualitative attribute parameter that guarantees service quality being authorized.
According to the present invention, by in handoff procedure, transmitting qos parameter, make each network element in time know qos parameter, provide the foundation for guaranteeing professional end-to-end QoS.
Description of drawings
Fig. 1 shows the flow chart of transmission qos parameter of the present invention;
Fig. 2 shows the system of transmission qos parameter of the present invention.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
As shown in Figure 1, the method that qos parameter transmits in the handoff procedure is described below.
Step a, when travelling carriage is in holding state, PDSN (packet data serving node) is handed down to source BSS (base station sub-system) by A11-Session Update (A11-session updates) message with user's the quality of service attribute of concluding a bargin (subscriber QoS profile) parameter.
Step b, when the Mobile Origination service request, can utilize and eat dishes without rice or wine to send request service quality (Requested_QoS) parameter to its corresponding BSS by ReservationKKQoSRequest (KK reserve qos parameter request) message.
Requested_QoS parameter that step c, BSS basis is received afterwards and preservation is got up and Subscriber QoSProfile parameter and current network condition are determined the qos parameter that present network can guarantee: Granted_QoS (guaranteeing service quality) parameter, message is handed down to travelling carriage with the guaranteed qos parameter by ReservationKKQoS Response (reserving the qos parameter response for KK), so that travelling carriage communicates according to the Granted_QoS parameter.
BSS determines that the Granted_QoS parametric technique is as follows: the common factor that can get Requested_QoS parameter, Subscriber QoS Profile parameter and the current resource that network allowed.
Steps d, BSS send to PDSN by A11-Registration Request (A11-register requirement) with the Granted_QoS parameter, so that PDSN charges.
Step e, PDSN issue PDF with the Granted_QoS parameter, PDF authorizes the Granted_QoS parameter according to the Business Stream attribute of its preservation, to authorize back Granted_QoS parameter and traffic stream service qualitative attribute to be handed down to PDSN then, at this moment, PDSN also will do authorisation process to the signatory situation in the Granted_QoS parameter, obtains Auth_QoS (authorization service quality) parameter at last.Described traffic stream service qualitative attribute comprises the needed bandwidth of this Business Stream of operation.
The process that PDF authorizes the Granted_QoS parameter is as follows: when the parameter in the Granted_QoS parameter surpasses this traffic stream service qualitative attribute, then need this parameter is reduced, form the Auth_QoS parameter; When the parameter in the Granted_QoS parameter does not have this professional attribute of surpassing, then needn't revise this parameter, directly authorize and pass through to form the Auth_QoS parameter.
PDSN does authorisation process according to the signatory situation of user to the signatory situation in the Granted_QoS parameter, after mandate is passed through, carries out the handling process of back again, otherwise handles according to the acquiescence flow process.
Step f, PDSN are handed down to source BSS by A11-Session Update message with Auth_QoS parameter and traffic stream service qualitative attribute, so that BSS communicates according to the Auth_QoS parameter.
Step g, after source BSS receives Auth_QoS parameter and traffic stream service qualitative attribute, preserve Auth_QoS parameter and traffic stream service qualitative attribute, and Auth_QoS parameter and Granted_QoS parameter compared, exceed the allowed band of Auth_QoS parameter if find the Granted_QoS parameter, then reduce the Granted_QoS parameter to satisfy the restriction of Auth_QoS parameter, and give travelling carriage by ReservationKKQoS Response message with up-to-date Granted_QoS parameter, so that travelling carriage communicates according to the Granted_QoS parameter.
According to the present invention, when Internet resources are loose, BSS also can be by the Requested_QoS parameter of predetermined period according to user's request, Subscriber QoS Profile parameter and current network condition redefine the Granted_QoS parameter of present network, then traffic stream service qualitative attribute and Granted_QoS parameter are compared, exceed the allowed band of traffic stream service qualitative attribute if find the Granted_QoS parameter, then reduce the Granted_QoS parameter to satisfy the restriction of traffic stream service qualitative attribute, and give travelling carriage by ReservationKKQoS Response with up-to-date Granted_QoS parameter, so that travelling carriage communicates according to the Granted_QoS parameter.Like this, just can make BSS adjust the Granted_QoS parameter voluntarily, thereby utilize bigger Granted_QoS parameter to communicate, improve communication quality.
Step h, when switching, after source BSS received the handoff request that target BS S sends, source BSS delivered to target BS S by A13-Session Information Response (A13-session information response) message with Auth_QoS parameter, Granted_QoS parameter and the Requested_QoS parameter of the subscriber qos parameter of travelling carriage, traffic stream service qualitative attribute, Business Stream.Target BS S determines the Granted_QoS parameter in objective network of each activating service stream according to subscriberQoS parameter, Auth_QoS parameter, Requested_QoS parameter and current interface-free resources situation.
Target BS S compares traffic stream service qualitative attribute and Granted_QoS parameter then, exceed the allowed band of traffic stream service qualitative attribute if find the Granted_QoS parameter, then reduce the Granted_QoS parameter to satisfy the restriction of traffic stream service qualitative attribute, like this, can avoid flow process that the Granted_QoS parameter renegotiation New Development of objective network is authorized to PDSN and PDF, thereby improve networks efficiency.
The BSS of step I, objective network compares the Granted_QoS parameter of objective network and the Granted_QoS parameter of source network, if the Granted_QoS parameter of the Granted_QoS parameter of objective network and source network is inconsistent, then upgrade the Granted_QoS parameter of eating dishes without rice or wine.And give travelling carriage by Reservation KK QoS Response with the Granted_QoS parameter of objective network, so that travelling carriage communicates according to the Granted_QoS parameter.
Step j, find current network as target BS S the Granted_QoS parameter with original Granted_QoS parameter when inconsistent, target BS S gives PDSN by A11-Registration Request with the Granted_QoS parameter, so that PDSN charges.
The present invention also provides a kind of system that transmits qos parameter, is applied in the switching flow, and described system comprises travelling carriage, source BSS, PDSN, PDF, target BS S.Introduce system of the present invention below.
Travelling carriage, it is used for sending the Requested_QoS parameter to source BSS, and receives the Granted_QoS parameter from BSS, communicates according to the Granted_QoS parameter then.
Source BSS, it is used for Requested_QoS parameter, subscriber QoS Profile parameter and current network condition according to user request and determines the qos parameter that can guarantee: the Granted_QoS parameter, and the Granted_QoS parameter issued travelling carriage and PDSN.Described source BSS is used for Auth_QoS parameter and the traffic stream service qualitative attribute that the receiving block data service node issues.Described source BSS also is used for the parameter with Subscriber QoS Profile, the traffic stream service qualitative attribute, the Auth_QoS parameter of Business Stream, Granted_QoS parameter and Requested_QoS parameter send to target BS S, so that target BS S is according to generating the Granted_QoS parameter of objective network from the Subscriber QoS Profile parameter of source BSS, Auth_QoS parameter, Requested_QoS parameter and the current interface-free resources situation of Business Stream.
PDSN, it is used for the signatory situation of Granted_QoS parameter is carried out authorisation process, and the Granted_QoS parameter issued PDF, so that PDF authorizes the Granted_QoS parameter according to the traffic stream service qualitative attribute, generate the Auth_QoS parameter at last, and the Auth_QoS parameter is issued BSS.
PDF (policy deciding functional entity), it is used for according to the traffic stream service qualitative attribute business of Granted_QoS parameter being authorized, and the Granted_QoS parameter after will authorizing is issued PDSN.
Target BS S, it is used for the Subscriber QoS Profile parameter that reception sources BSS sends, traffic stream service qualitative attribute, the Auth_QoS parameter of Business Stream, Granted_QoS parameter and Requested_QoS parameter.Described target BS S also is used for according to the Subscriber QoS Profile parameter from source BSS, the Requested_QoS parameter of Business Stream and current interface-free resources situation generate the Granted_QoS parameter of objective network, and according to the traffic stream service qualitative attribute Granted_QoS parameter are carried out service authorization.If target BS S finds that the Granted_QoS parameter of current network is inconsistent with original Granted_QoS parameter, the Granted_QoS parameter is issued travelling carriage, so that travelling carriage communicates according to the Granted_QoS parameter, and give PDSN with the Granted_QoS parameter by A11-Registration Request (A11-register requirement), so that PDSN charges.
The present invention also provides a kind of BSS, and described BSS comprises: processing unit is used to generate the Granted_QoS parameter; Receiving element is used for the Auth_QoS parameter that the receiving block data service node issues; Transmitting element is used for the Granted_QoS parameter that processing unit generates is issued PDSN; In handoff procedure, described transmitting element is used for Subscriber QoS Profile parameter, Auth_QoS parameter, Granted_QoS parameter and Requested_QoS parameter are sent to target BS S.
Described processing unit comprises generation unit, comparing unit and granted unit, described generation unit is used for the parameter according to Subscriber QoS Profile, the Auth_QoS parameter of Business Stream, Requested_QoS parameter and current interface-free resources situation generate the Granted_QoS parameter, described comparing unit is used for the Granted_QoS parameter of the Granted_QoS parameter of objective network and source network is compared, if comparative result is inconsistent, then the Granted_QoS parameter of objective network is issued travelling carriage, so that travelling carriage communicates according to the Granted_QoS parameter, and give PDSN with the Granted_QoS parameter, so that PDSN charges, described granted unit is used for according to the traffic stream service qualitative attribute Granted_QoS parameter being authorized, if the Granted_QoS parameter is greater than the traffic stream service qualitative attribute, reduce the Granted_QoS parameter, to adapt to the traffic stream service qualitative attribute, otherwise, do not change the Granted_QoS parameter.
According to the present invention, by in handoff procedure, transmitting qos parameter, make each network element in time know qos parameter, provide the foundation for guaranteeing professional end-to-end QoS.
According to the present invention, source BSS directly gives target BS S with Subscriber QoS property parameters, Requested_QoS parameter, Auth_QoS parameter, make target BS S needn't notify PDSN to issue Subscriber QoS Profile parameter, Auth_QoS parameter more again, in addition, user terminal also needn't send the Requested_QoS parameter to BSS again.Therefore, can make target BS S generate the Granted_QoS parameter according to Subscriber QoS property parameters, Requested_QoS parameter, Auth_QoS parameter, thereby make target BS S carry out resource allocation according to the Granted_QoS parameter that generates, the foundation link of eating dishes without rice or wine such as is connected at the communication quality when having guaranteed to switch with R-P.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.
Claims (8)
1, a kind of method of delivering service quality parameters is applied to it is characterized in that in the switching flow, and when source network was received the handoff request of objective network, described method comprised:
A, subsystem of objective base station receive QoS parameter and traffic stream service qualitative attribute from source base station subsystem;
B, subsystem of objective base station are according to the parameter that guarantees service quality that generates objective network from the QoS parameter of source base station subsystem;
C, subsystem of objective base station are authorized the parameter that guarantees service quality that described subsystem of objective base station generates according to the traffic stream service qualitative attribute from described source base station subsystem, and the parameter that guarantees service quality after will authorizing is issued travelling carriage.
2, the method for delivering service quality parameters according to claim 1, it is characterized in that the QoS parameter of described source base station subsystem comprises subscription service mass parameter, authorization service mass parameter, the parameter that guarantees service quality and request QoS parameter.
3, the method for delivering service quality parameters according to claim 1 is characterized in that, also carried out before execution in step A: policy deciding functional entity is handed down to the traffic stream service qualitative attribute base station sub-system of source network.
4, according to claim 1 to 3 method of arbitrary described delivering service quality parameters wherein, it is characterized in that described step C specifically comprises: subsystem of objective base station is issued travelling carriage with the parameter that guarantees service quality of the subsystem of objective base station that generates.
5, according to claim 1 to 3 method of arbitrary described delivering service quality parameters wherein, it is characterized in that described step C also comprises: subsystem of objective base station is issued packet data serving node with the parameter that guarantees service quality of the subsystem of objective base station of generation.
6, a kind of system of delivering service quality parameters is characterized in that, described system comprises: source base station subsystem, packet data serving node, policy deciding functional entity and subsystem of objective base station,
Source base station subsystem is used to generate the parameter that guarantees service quality of source base station subsystem, and the parameter that guarantees service quality of source base station subsystem is issued packet data serving node; Described source base station subsystem also is used for authorization service mass parameter and the traffic stream service qualitative attribute that the receiving block data service node issues; And the subscription service qualitative attribute parameter of source base station subsystem, traffic stream service qualitative attribute, authorization service mass parameter, the parameter that guarantees service quality and request QoS parameter sent to subsystem of objective base station;
Packet data serving node, be used for the parameter that guarantees service quality of source base station subsystem is issued policy deciding functional entity, the parameter that guarantees service quality that policy deciding functional entity is sent is carried out approval authority of contract signature, generate the authorization service mass parameter, and the authorization service mass parameter that generates is issued source base station subsystem;
Policy deciding functional entity is used for the parameter that guarantees service quality that packet data serving node is sent is carried out service authorization, and the parameter that guarantees service quality of service authorization is issued packet data serving node;
Subsystem of objective base station, the subscription service qualitative attribute parameter, traffic stream service qualitative attribute, authorization service mass parameter, the parameter that guarantees service quality and the request QoS parameter that are used for the reception sources base station sub-system, generate the parameter that guarantees service quality of subsystem of objective base station, and the parameter that guarantees service quality of subsystem of objective base station is issued packet data serving node and travelling carriage.
7, a kind of base station sub-system is characterized in that, comprising:
Processing unit is used for generating the parameter that guarantees service quality, and according to the traffic stream service qualitative attribute parameter that guarantees service quality that generates is authorized;
Receiving element is used for subscription service mass parameter, authorization service mass parameter and traffic stream service qualitative attribute that the receiving block data service node issues, and the request QoS parameter of receiving mobile;
Transmitting element is used for the parameter that guarantees service quality after the processing unit mandate is issued packet data serving node and travelling carriage; In handoff procedure, described transmitting element is used for the traffic stream service qualitative attribute of source network, subscription service qualitative attribute parameter, authorization service mass parameter, the parameter that guarantees service quality and request QoS parameter are sent to subsystem of objective base station.
8, base station sub-system according to claim 7 is characterized in that, described processing unit comprises:
Generation unit is used for according to the subscription service mass parameter, and authorization service mass parameter, request QoS parameter generate the parameter that guarantees service quality;
Comparing unit is used for the parameter that guarantees service quality of the guarantee service quality parameter and the source network of objective network is compared, if comparative result is inconsistent, then the parameter that guarantees service quality of objective network is issued travelling carriage and packet data serving node;
Granted unit is used for according to the traffic stream service qualitative attribute parameter that guarantees service quality being authorized.
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| CN102711203A (en) * | 2006-10-30 | 2012-10-03 | 京瓷株式会社 | Radio communication terminal and communication method |
| JP4896665B2 (en) * | 2006-10-30 | 2012-03-14 | 京セラ株式会社 | Wireless communication terminal and communication method |
| KR101405743B1 (en) * | 2007-01-05 | 2014-06-12 | 삼성전자주식회사 | Method for hand-off between heterogeneous networks and system thereof |
| KR100965666B1 (en) * | 2007-01-05 | 2010-06-24 | 삼성전자주식회사 | Hand-off method and system between heterogeneous networks |
| CN101237672B (en) | 2007-01-29 | 2012-05-23 | 华为技术有限公司 | A method, device and system for establishing S1 signaling connection in evolving network |
| CN101237677B (en) | 2007-02-02 | 2010-09-08 | 华为技术有限公司 | Method, network system and destination network for transmitting QoS upon system switching |
| JP5042104B2 (en) * | 2007-12-27 | 2012-10-03 | パナソニック株式会社 | COMMUNICATION SYSTEM, TERMINAL DEVICE, BASE STATION, COMMUNICATION QUALITY MANAGEMENT METHOD AND PROGRAM |
| WO2009103233A1 (en) * | 2008-02-18 | 2009-08-27 | 华为技术有限公司 | Method and apparatus for assisting registering a data path in a switching procedure |
| CN101605371B (en) * | 2008-06-13 | 2012-08-15 | 华为技术有限公司 | Method and device for consulting service quality parameter in switching process |
| CN101656989B (en) * | 2008-08-21 | 2012-04-25 | 华为技术有限公司 | Method and device for switching heterogeneous networks |
| CN101990325B (en) | 2009-07-31 | 2013-04-24 | 华为技术有限公司 | Method, device and system for determining and maintaining QoS (Quality of Service) parameters of multi-hop network |
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Effective date of registration: 20211222 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |