CN101369940A - Method for providing service quality guarantee for positioning service in WiMAX network - Google Patents
Method for providing service quality guarantee for positioning service in WiMAX network Download PDFInfo
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Abstract
A method for providing service quality support for a location service in a WiMAX network comprises the following steps: a location service LS in a CSN receives a location request transmitted by a location service client-side; the LS confirms the service types according to the received location request and a location algorithm of an entity choice chosen by the location algorithm executes the location of a mobile station MS in an access service network ASN according to the conformed service types. The invention provides a processing method that different network entities interact so as to provide the LSB service quality support in the WiMAX network, a signaling processing process, a step and an interface information thereof based on a basic frame for providing service quality support in the WiMAX network.
Description
Technical field
The present invention relates to inserting of microwave (Worldwide Interoperabilityfor Microwave Access in global interoperability, the following WiMAX that abbreviates as) is positioning service (Location Based Service in the network, the following LBS of abbreviating as) the method that provides service quality to support mainly comprises Message Processing flow process and R3, R6 interface message structure etc. between travelling carriage (being designated hereinafter simply as MS), access business network (being designated hereinafter simply as ASN) and the connection business network (being designated hereinafter simply as CSN).
Background technology
In WiMAX Forum (being designated hereinafter simply as WiMAX forum) group of networks (the being designated hereinafter simply as NGW) meeting of holding at san francisco, usa on April 30th, 2007 to May 4, Samsung and Intel Company the motion that provides are provided are admitted by this meeting, become benchmark (the following baseline of the being called) manuscript of second stage (being designated hereinafter simply as Stage-2).Network reference model as shown in Figure 1 in WiMAX positioning service under the defined non-roaming state of this baseline manuscript (Location BasedService, the following LBS that abbreviates as).The WiMAX network architecture once at first is described.Assign to from big functional areas, WiMAX comprises three parts: travelling carriage (being designated hereinafter simply as MS), access business network ASN, connection business network CSN.Wherein, ASN comprises base station (being designated hereinafter simply as BS) and access business network gateway (being designated hereinafter simply as ASN GW).Interface between MS and the BS is commonly referred to as air interface, is the R1 interface in the WiMAX network reference model; Interface between BS and the ASN GW is the R6 interface; Interface between CSN and the ASN GW is an Interface R3.In the WiMAX LBS network reference model, the module relevant with LBS comprises under non-roaming state:
(1) location-server (Location Server is hereinafter to be referred as LS)
LS is a functional entity that is positioned on the CSN, and the pass between the positioning client terminal of outside is the relation of " client＜-〉 server ", and the function of authorization check is provided for the travelling carriage of the client of outside and location request.In addition, LS also can have the function of location Calculation.
(2) register control (Location Controller is designated hereinafter simply as LC)
LC is responsible for determining and reporting the positional information and the positional parameter of travelling carriage, LC can provide these positional informations and the positional parameter entity to LS, MS or other ASN inside, as RRM (being designated hereinafter simply as RRM) module and mobile management (being designated hereinafter simply as MM) module.In case receive the request from MS, LS or ASN internal module, the measurement that LC is relevant with triggered location is collected the location Calculation parameters needed and is carried out location Calculation.LC generally is positioned at the ASN network, if for the ASN that decomposes, then be positioned on the ASN GW.
(3) location agency (Location Agent is designated hereinafter simply as LA)
The major function of LA optionally also can be collected the parameter relevant with reporting the location and give LC for being carried out the relevant measurement in location.The function of LA can be positioned at BS, MS or the both has.If have the function of LA on the MS, corresponding BS also has the function of LA.
At this WiMAX LBS network architecture, the defined processing messages end to end of baseline manuscript flow process as shown in Figure 2.Its step is as follows:
201 MS or LBS client are initiated positioning service, can send locating request message to location-server LS by positioning client terminal or MS, and the message between positioning client terminal and the location-server does not define in this standard;
202 LS and authenticated/authorized/charging (being designated hereinafter simply as AAA) are mutual, authenticate the inquiry with security information.
203 202 complete successfully after, carry out authorization check in the LS to MS and positioning client terminal;
204 because CSN connects a plurality of ASN networks simultaneously, and LS need look for a service ASN at MS (the being designated hereinafter simply as target MS) place that is positioned, and transfers to the LC that is positioned at service ASN GW and handle;
205 find the service LC of target MS after, LS sends the positioning reporting request to service LS;
206 carry out the position deterministic process of ASN inside;
After 207 206 successful execution are finished, can obtain the positional information of target MS, LC reports this locating information to LS;
208 LS send location response message to Location Request side (MS or positioning client terminal), return the actual position information of target MS;
209 LS send metering data to accounting server and upgrade, the professional needed expense of this LBS of deduction from requestor's account, and this process is an optional process, for some particular request, as emergency services, Lawful Interception etc., do not need to pay, thereby do not need to carry out this step yet.
The 802.16e technology of mobile WiMAX (IEEE-USA is designated hereinafter simply as IEEE) is based on that fixing WiMAX grows up.Therefore, in the standard of existing mobile WiMAX, comprise the support of not considering in physical layer, medium access control (being designated hereinafter simply as MAC) layer and the network layer positioning service.Positioning service, promptly LBS also is a very important business in the mobile communications network.Based on this, in the WiMAX network architecture that WiMAX ForumNGW is formulating 1.5 editions,, and under NGW, there is a LBS group to formulate standard aspect the WiMAX network LBS specially clearly to the demand of LBS business.By up to the present, Samsung and Intel Company unite the motion that provides as the Stage-2baseline manuscript, have wherein only proposed the basic network framework of WiMAX LBS and the basic flow process of Message Processing end to end, as shown in Figure 2.But, because the service quality of LBS business does not describe in this manuscript.As a kind of important value-added service, the service quality of LBS is extremely important.A certain LBS business (as emergency relief) just can't be disposed and promote the use of if there is not the support of service quality.Meanwhile, the QoS requirement according to different LBS business uses corresponding Internet resources, also is unlikely to waste valuable Internet resources.
In addition, Wideband Code Division Multiple Access (WCDMA) (being designated hereinafter simply as WCDMA) and CDMA 2000 (being designated hereinafter simply as CDMA2000) have also been stipulated among 3GPP (being designated hereinafter simply as 3GPP) and the 3GPP2 though service quality is defined when the LBS of wireless network inside is professional, but the network architecture of WiMAX, transmission mechanism is different fully with in the past cellular network.Generally comprise UE as the network entity among the 3GPP,, base station (being designated hereinafter simply as Node B), radio network controller (being designated hereinafter simply as RNC), mobile switch (being designated hereinafter simply as MSC) or mobile switch server (being designated hereinafter simply as MSC Server) and media gateway (being designated hereinafter simply as MGW), GPRS (being designated hereinafter simply as GPRS) service support node (being designated hereinafter simply as SGSN), Gateway GPRS Support Node (being designated hereinafter simply as GGSN), attaching position register (being designated hereinafter simply as HLR).And the network entity of WiMAX comprises MS, BS, ASN GW, AAA, policing feature module (being designated hereinafter simply as PF), home agent (being designated hereinafter simply as HA), Foreign Agent (being designated hereinafter simply as FA).From here as can be seen, WiMAX is a brand-new network architecture, and is different fully with 3GPP.Therefore, the service quality of LBS business can not be indiscriminately imitated in the WiMAX network among existing 3GPP or the 3GPP2, these just need be according to the actual conditions of WiMAX network, the handling process and the method for redesign WiMAX network internal also redefines WiMAX network internal interface message, realizes the service quality support of LBS business in the WiMAX network.
For addressing the above problem, the objective of the invention is to carry out service quality mapping and negotiation in the WiMAX network internal, and carry out handling process and the method that location algorithm is selected for the service quality support of LBS business is provided.
At present, the service quality of LBS business has been carried out the concept nature elaboration in the standard criterion of 3GPP and 3GPP2, and to having carried out preliminary discussion at 3GPP and the support of 3GPP2 network realization LBS QoS.But, because there is material difference in the network architecture of WiMAX with 3GPP and 3GPP2 network, and in the WiMAX network in the framework of LBS business shortage to the consideration of service quality.Therefore, support that in the WiMAX network method of LBS QoS is particularly important.If do not consider the support to the LBS QoS, there is obstacle in use and the promotion conference of LBS business in the WiMAX network.
Summary of the invention
A kind of method that provides service quality to support to positioning service in the WiMAX network is provided, and described method comprises step:
(1) the location-server LS among the CSN receives the Location Request that sends from positioning service LBS client;
(2) LS determines type of service according to the Location Request that receives, and carries out the location of mobile station MS in access business network ASN according to determined type of service with by the location algorithm of the entity selection that positions the algorithm selection.
In technical scheme of the present invention, the method, signaling process, message primitive and the major parameter thereof that in the WiMAX network, provide service quality to support to the LBS business.The basic framework that provides service quality to support in the WiMAX network is provided, proposed WiMAX network internal heterogeneous networks entity processing method, signaling process flow process and step and the interface message thereof to provide the LBS QoS to support alternately has been provided, the blank that provides service quality to support for the LBS business in the present WiMAX network has been provided.
Description of drawings
WiMAX LBS network reference model under the non-roaming state of Fig. 1;
The defined processing messages end to end of Fig. 2 baseline manuscript flow process;
The general illustration of Fig. 3 service quality mapping and negotiation
Fig. 4 guarantees that type LBS QoS is satisfied (LS makes algorithm and selects)
Fig. 5 guarantees that the not negotiable LBS QoS of type does not satisfy (LS makes algorithm and selects)
Fig. 6 guarantees that the negotiable LBS QoS of type heavily consults (LS do algorithm select)
The algorithm of Fig. 7 BE type LBS business is selected (LS makes algorithm and selects)
Fig. 8 guarantees that type LBS QoS is satisfied (LC makes algorithm and selects)
Fig. 9 guarantees that the not negotiable LBS QoS of type does not satisfy (LC makes algorithm and selects)
Figure 10 guarantees that the negotiable LBS QoS of type heavily consults (LC do algorithm select)
The algorithm of Figure 11 BE type LBS business is selected (LC makes algorithm and selects)
Embodiment
The present invention is based on the network architecture and the flow process of supporting the LBS business in the WiMAX network, to the definition of LBS QoS in the WiMAX network, QoS mapping method and quality of service negoriation process are described.Defined corresponding message and flow process and realized support the LBS QoS.
For achieving the above object, the invention provides the method for supporting the LBS QoS in the WiMAX network.The present invention includes following flow process:
1) a kind of method that in the WiMAX network, provides service quality to support, wherein the service request sent of LBS client is divided into three classes:
(1) guarantees the not service quality mapping and the location algorithm selection course of negotiable type.
(2) guarantee the service quality mapping and the location algorithm selection course of negotiable type.
(3) the do one's best service quality mapping and the location algorithm selection course of type.
2) a kind of method that in the WiMAX network, provides service quality to support, the network entity of selecting according to algorithm can be divided into again:
(1) carries out service quality mapping and the location algorithm selection course that algorithm is selected at LC
(2) carry out service quality mapping and the location algorithm selection course that algorithm is selected at LS.
Implementing of the present inventionly provides the specific embodiment of the method that service quality supports such as Fig. 3-shown in Figure 11 for the LBS business in the WiMAX network.
At first, idiographic flow in the following specific embodiment that provides among the present invention and message are done an explanation.Although the present invention implements for the LBS business provides the method for service quality support to recommend to send reception according to the message among the embodiment in proper order for realizing the WiMAX network, but the sequencing of the present invention and strict fixed news, promptly not being fixed in the WiMAX network provides the method for service quality support necessarily according to the message sending order in the present embodiment for the LBS business.Concrete LBS service conditions that concrete those of ordinary skill in the art can be carried out according to oneself and concrete network condition realize certain section flow process in some flow process or some flow process selectively, perhaps must adjust the sequencing that individual message sends according to specifically equipment or LBS operation situation is suitable.
In addition, the concrete parameter that is comprised in R3 that present embodiment is listed and the R6 interface message only is example, those of ordinary skill in the art can selectively adopt, and also can design other brand-new parameters or add other parameters, and the present invention does not also stipulate the form of message and parameter thereof.In addition, on the optional/essential option to the parameter of message, the present invention recommends to use, and fixing, those of ordinary skill in the art can select according to actual needs.
Below be 9 embodiment of the present invention, table 1-3 has provided the typical message format that relates among the embodiment.
Table 1 LBS request message structure
| Parameter | Optional/essential | The implication explanation |
| The LBS type of service | Essential | The concrete LBS type of service that indication is asked, as urgency traffic, value-added service etc. |
| Target MS ID | Essential | The identifier of the MS that is positioned |
| Parameter | Optional/essential | The implication explanation |
| Command code | Essential | 0: request, 1: heavily consult to confirm, keep more than 2. |
| Source MS ID | Optional | The identifier of the MS of request LBS business |
| Accuracy rating | Optional | |
| ＜the upper bound | Optional | The upper bound in the accuracy rating of the LBS business of being asked |
| ＜lower bound | Optional | Lower bound in the accuracy rating of the LBS business of being asked |
| The LBS report manner | Optional | The report manner of LBS positional information can comprise: only report once periodic report |
The LBS response message structure of table 2 Interface R3
| Parameter | Optional/essential | The implication explanation |
| The LBS type of service | Essential | The concrete LBS type of service that indication is asked, as urgency traffic, value-added service etc. |
| Target MS ID | Essential | The identifier of the MS that is positioned |
| Command code | Essential | 0: refusal, 1: heavily consult: keep more than 2 |
| Source MS ID | Optional | The identifier of the MS of request LBS business |
| Accuracy rating | Optional | |
| ＜the upper bound | Optional | The upper bound in the accuracy rating of the LBS business of being asked |
| ＜lower bound | Optional | Lower bound in the accuracy rating of the LBS business of being asked |
| The LBS report manner | Optional | The report manner of LBS positional information can comprise: only report once periodic report |
Table 3 LBS qos parameter set
| Parameter | Optional/essential | The implication explanation |
| The QoS base attribute | Essential | Guarantee negotiable type, guarantee not negotiable type, the type of doing one's best (BE) |
| Relative importance value | Optional | 0: high, 1: height, 2: common, 3: low, keep more than 4.Above priority is used for using when LS and LC provide the service of different priorities. |
| Reaction time | Essential | The positioning action of expectation postpones, and is unit with millisecond (ms) |
| Precision | Optional | |
| ＜interval value | Optional | The upper bound in the accuracy rating of the LBS business of being asked |
| ＜confidence level | Optional | Satisfy the probability in precision interval |
| The LBS report manner | Optional | The report manner of LBS positional information can comprise: only report once periodic report |
Embodiment 1: service quality mapping and negotiation basic procedure
301 LS receive the positioning service request from the LBS client.
302 LS judge type of service.If guarantee type, carry out 303; If the BE type then skips to 307.
303 LS are mapped as concrete QoS parameter with type of service.
304 according to preestablishing, and determines at LS still to be that LC positions the algorithm selection, if at LC, then carries out 305; Otherwise, skip to 306.
305 LS send the LBS request that has QoS parameter to LC, and await a response.
306 stationkeeping abilities according to MS judge whether that algorithm can satisfy the requirement of QoS parameter.If have, carry out 307; If do not have, skip to 308.
307 send LBS to LC asks, and the location (location estimation) of beginning ASN inside skips to 311, finishes this section flow process.
308 judge that by making entity that algorithm selects service quality could consult, if negotiable, carry out 309, otherwise carry out 310.
309 send message by making the entity that algorithm selects to the LBS client, and the QoS parameter that transmission can provide skips to 311, finishes this section flow process.
310 send message by making the entity that algorithm selects to the LBS client, refuse this Location Request, skip to 311, finish this flow process.
311 flow processs finish.
The service quality of LBS business can be combined with the stationkeeping ability of MS and position the selection of algorithm, avoid thus only positioning the mistake that algorithm selects to cause follow-up flow process according to service quality.Can adopt existing location algorithm or other algorithm, as A-GPS (AssistedGPS), TDoA (Time Difference of Arrival), Cell-ID etc.
Here, the QoS parameter set of LBS business has comprised relative importance value, allows in the LBS business more for a long time, selects high-priority service to serve by LS, LC according to relative importance value, avoids low priority traffice to have influence on the enforcement of similar business such as E-911.The QoS parameter set of LBS business can confidential interval and the mode of confidence level or the mode of same thought positioning accuracy is described.
Hereinafter will the technical scheme among the embodiment 1 be described in more detail.Wherein, embodiment 2-5 is corresponding to carrying out the situation that algorithm is selected in LS, and embodiment 6-9 is corresponding to carry out the situation that algorithm is selected in LC.Here, still be that LS carries out algorithm and selects and can be preestablished by system specifically by LC.
Embodiment 2 has described and has satisfied the overview flow chart of guaranteeing type LBS QoS, and embodiment 3 and 4 has specifically described respectively and do not satisfied the flow chart of guaranteeing that type can not consultation business service service quality and heavily type negotiable LBS QoS is guaranteed in negotiation.Embodiment 5 has described the process that satisfies BE type QoS.
Embodiment 2: guarantee the flow chart (carrying out algorithm in LS selects) that type LBS QoS is satisfied
402 LS send authentication request to AAA.
403 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
404 LS are mapped as QoS parameter set to type of service, determine to position algorithm and select in LS, and carry out location algorithm and select.
405 LS send the LBS request that has qos parameter to LC, to start the position fixing process of ASN inside
406 stationkeeping abilities according to MS determine to satisfy the requirement of qos parameter, the location of beginning ASN inside.
407 LC send LBS to LS and respond, and carry the MS position data.
408 LS send the location to the LBS client and respond, and can be disposable or periodicity.
Embodiment 3: guarantee that the not negotiable LBS QoS of type does not satisfy (carrying out algorithm in LS selects)
The flow process that should be appreciated that embodiment 3 is a kind of specific implementation of embodiment 1, wherein determines type of service for guaranteeing type, determines to carry out algorithm and select in LS, and location algorithm can not satisfy the requirement of QoS parameter, and can not hold consultation.
501 LS receive the Location Request that has type of service that the LBS client is sent, and determine that type of service is to guarantee type.
502 LS send authentication request to AAA.
503 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
504 LS are mapped as QoS parameter set to type of service, determine to position algorithm and select in LS, position algorithm and select.
505 stationkeeping abilities according to MS determine that service quality can't satisfy, and definite service quality are not negotiable, and LS sends the location to the LBS client and responds, the refusal Location Request.
Embodiment 4: guarantee that the negotiable LBS QoS of type heavily consults (carry out algorithm select) in LS
The flow process that should be appreciated that embodiment 4 is a kind of specific implementation of embodiment 1, wherein judges type of service for guaranteeing type, determines to carry out algorithm and select in LS, and location algorithm can not satisfy the requirement of QoS parameter, and can hold consultation.
601 LS receive the Location Request that has COS that the LBS client is sent, and determine that type of service is to guarantee type.
602 LS send authentication request to AAA.
603 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
604 LS are mapped as QoS parameter set with type of service, according to preestablishing, position algorithm and select in LS.
605 LS determine that service quality can't satisfy, and definite service quality are negotiable according to the stationkeeping ability of MS, and LS sends the location to the LBS client and responds, and carries the quality of service information of renewal.
606 LBS clients send Location Request to LS, have wherein carried the acceptable service quality of upgrading.
607 LS position the selection of algorithm according to new QoS parameter.
608 LS send the LBS request that has qos parameter to LC, to start the localization process of ASN inside.
609 LS determine that according to the stationkeeping ability of MS service quality can satisfy, and the location of beginning ASN inside.
610 LC send LBS to LS and respond, and carry the MS position data.
611 LS send the location to the LBS client and respond, and can be disposable or periodicity.
Embodiment 5:BE type QoS is satisfied (carrying out algorithm in LS selects).The BE business does not have absolute requirement to service quality, and network only need provide a kind of location to support to get final product.The present invention suggestion is analyzed type of service by LS, and selection can be satisfied and position near the location algorithm of its business demand.
The flow process that should be appreciated that embodiment 5 is a kind of specific implementation of embodiment 1, judges that wherein type of service is the BE type, determines to carry out algorithm and select in LS, and location algorithm can satisfy the requirement of QoS parameter.
701 LS receive the Location Request that has type of service that the LBS client is sent, and determine that type of service is the BE type.
702 LS send authentication request to AAA.
703 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
704 LS are mapped as QoS parameter set with the BE type of service, determine to position algorithm and select in LS, and select location algorithm near its QoS requirement.
705 LS send the LBS request that has qos parameter to LC, to start the localization process of ASN inside.
706 LS are according to the stationkeeping ability of MS, determine that existence can satisfy the requirement of qos parameter, the location of beginning ASN inside.
707 LC send LBS to LS and respond, and carry the MS position data.
708 LS send the location to the LBS client and respond, and can be disposable or periodicity.
BE type LBS business also needs to carry out the mapping of service quality, and selection can satisfy its quality of service requirement and the most close location algorithm positions, and is not the location algorithm that precision is the highest or the reaction time is the shortest.
Embodiment 6 has described and has satisfied the overview flow chart of guaranteeing type LBS QoS, and embodiment 7 and 8 has specifically described respectively and do not satisfied the flow chart of guaranteeing that type can not consultation business service service quality and heavily type negotiable LBS QoS is guaranteed in negotiation.Embodiment 9 has described the flow chart that satisfies BE type QoS.
Embodiment 6: guarantee that type LBS QoS is satisfied (carrying out algorithm in LC selects)
The flow process that should be appreciated that embodiment 6 is a kind of specific implementation of embodiment 1, wherein judges type of service for guaranteeing type, determines to carry out algorithm and select in LC, and can location algorithm can satisfy the requirement of QoS parameter.
801 LS receive that the Location Request that has type of service that the LBS client is sent determines that type of service is to guarantee type.
802 LS send authentication request to AAA.
803 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
804 LS are mapped as QoS parameter set to type of service, determine to position algorithm and select in LC, and carry out location algorithm and select.
805 LS send the LBS request that has QoS parameter to LC.
806 LC are according to the stationkeeping ability of MS, determine that existence can satisfy the requirement of qos parameter, send the LBS request to LC.
The location of 807 beginning ASN inside.
808 LC send LBS to LS and respond, and carry the MS position data.
809 LS send the location to the LBS client and respond, and can be disposable or periodicity.
Embodiment 7: guarantee that the not negotiable LBS QoS of type does not satisfy (carrying out algorithm in LC selects)
The flow process that should be appreciated that embodiment 7 is a kind of specific implementation of embodiment 1, wherein determines type of service for guaranteeing type, determines to carry out algorithm and select in LC, and location algorithm can not satisfy the requirement of QoS parameter, and can not hold consultation.
901 LS receive the Location Request that has type of service that the LBS client is sent, and determine that type of service is to guarantee type.
902 LS send authentication request to AAA.
903 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
904 LS are mapped as QoS parameter set to type of service, determine to position algorithm and select in LC, position algorithm and select.
905 LS send the LBS request that has QoS parameter to LC.
906 LC position algorithm according to service quality and select, and finding does not have location algorithm can satisfy quality of service requirement, and definite service quality is not negotiable.
907 LC send the location to LS and respond, the refusal location.
908 LS send the location to the LBS client and respond, the refusal Location Request.
Embodiment 8: guarantee that the negotiable LBS QoS of type heavily consults (carry out algorithm select) in LC
The flow process that should be appreciated that embodiment 5 is a kind of specific implementation of embodiment 1, wherein judges type of service for guaranteeing type, determines to carry out algorithm and select in LC, and location algorithm can not satisfy the requirement of QoS parameter, and can hold consultation.
1001 LS receive the Location Request that has COS that the LBS client is sent, and determine that type of service is to guarantee type.
1002 LS send authentication request to AAA.
1003 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
1004 LS are mapped as QoS parameter set with type of service, determine to position algorithm and select in LC, position algorithm and select.
1005 LS send the LBS request to LC, wherein comprise the QoS parameter after the mapping.
1006 LC are according to the stationkeeping ability of MS, and LC determines that location algorithm can not satisfy service quality, and definite service quality is negotiable.
1007 LC send the location to the LBS client and respond, and have wherein carried the service quality of upgrading.
1008 LBS clients send Location Request to LC, have the acceptable service quality of renewal.
1009 stationkeeping abilities according to MS determine that service quality can satisfy, and the location of beginning ASN inside.
1010 LC send LBS to LS and respond, and carry the MS position data.
1011 LS send the location to the LBS client and respond, and can be disposable or periodicity.
The algorithm of embodiment 9:BE type business is selected (carrying out algorithm in LC selects)
The flow process that should be appreciated that embodiment 9 is a kind of specific implementation of embodiment 1, judges that wherein type of service is the BE type, determines to carry out algorithm and select in LC, and location algorithm can satisfy the requirement of QoS parameter.
1101 LS receive the Location Request that has type of service that the LBS client is sent, and determine that type of service is the BE type.
1102 LS send authentication request to AAA.
1103 AAA through the authentication after, to LS send it back should, wherein carried MS stationkeeping ability and anchor point authenticator the sign.
1104 LS are mapped as QoS parameter set with the BE type of service, determine to position algorithm and select in LC, and select location algorithm near its QoS requirement.
1105 LS send the LBS request that has qos parameter to LC.
1106 LC select the location algorithm near its QoS requirement.
1107 LC are according to the stationkeeping ability of MS, determine that existence can satisfy the requirement of qos parameter, send the LBS request to LC, the location of beginning ASN inside.
1108 LC send LBS to LS and respond, and carry the MS position data.
1109 LS send the location to the LBS client and respond, and can be disposable or periodicity.
The foregoing description is based in the WiMAX network network architecture of supporting the LBS business, and promptly LS, AAA, LC and LA support the basic procedure of LBS business the method for carrying out the service quality support in the WiMAX network to be illustrated by the different division of labor and cooperation.Those of ordinary skill in the art can expand with modification and implement, as expansion primitive and message parameter etc. based on basic framework and the flow process that this method provided.
Claims (18)
1. method that in the WiMAX network, provides service quality to support to positioning service, described method comprises step:
(1) the location-server LS that connects among the business network CSN receives the Location Request that sends from positioning service LBS client;
(2) LS determines type of service according to the Location Request that receives, and carries out the location of mobile station MS in access business network ASN according to determined type of service with by the location algorithm of the entity selection that positions the algorithm selection.
2. method according to claim 1 is characterized in that, describedly positions entity that algorithm selects positions algorithm based on the stationkeeping ability of the service quality of LBS business and MS selection.
3. method according to claim 1, it is characterized in that step (1) also comprises carries out the inspection of authentication and authorization after LS receives Location Request from the LBS client, and after inspection was passed through, LS was mapped as LBS QoS parameter set with the positioning service of being asked.
4. method according to claim 3 is characterized in that, LBS QoS parameter set comprises relative importance value.
5. method according to claim 3 is characterized in that, the QoS parameter set of LBS business adopts the mode of confidential interval and confidence level to describe positioning accuracy.
6. method according to claim 4 is characterized in that, in step (2), the described entity that positions the algorithm selection comprises LS or register control LC.
7. method according to claim 6 is characterized in that, pre-determines the selection of being carried out location algorithm by LS or register control LC.
8. method according to claim 1 is characterized in that, described type of service comprises to be guaranteed type and satisfy type as possible.
9. method according to claim 8, it is characterized in that, in definite type of service is to guarantee under the situation of type, when positioning the selection of algorithm at LC, LS sends to LC with QoS parameter by a LBS request message, and LC judges whether to exist according to a LBS request message that receives and satisfies the location algorithm that described QoS parameter requires, if exist, then position, and positioning result is sent to the LBS client in ASN inside;
If there is no, LC judges whether service quality is negotiable, if negotiable, sends message to the LBS client, transmits available QoS parameter, heavily consults so that carry out service quality; If not negotiable, send message to the LBS client, refuse this Location Request.
10. method according to claim 8, it is characterized in that, in definite type of service is to guarantee under the situation of type, when positioning the selection of algorithm at LS, LS judges whether to exist the location algorithm that satisfies described QoS parameter requirement, if exist, then position, and positioning result is sent to the LBS client in ASN inside;
If there is no, LS judges whether service quality is negotiable, if negotiable, sends message to the LBS client, transmits available QoS parameter, heavily consults so that carry out service quality; If not negotiable, send message to the LBS client, refuse this Location Request.
11. method according to claim 10 is characterized in that, the location algorithm that LS obtains the stationkeeping ability of MS according to QoS parameter set, from AAA and the stationkeeping ability of the network that obtains from LC selects the most approaching described QoS parameter to require.
12. method according to claim 9 is characterized in that, when definite service quality was not negotiable, LC notified LBS client by the location response message, to refuse this Location Request.
13. method according to claim 10 is characterized in that, when definite service quality was not negotiable, LS notified LBS client by the location response message, to refuse this Location Request.
14. method according to claim 9 also comprises step: when definite service quality was negotiable, LC sent to the LBS client by the location response message with available updating service quality parameter set, carries out service quality with the LBS client and heavily consults;
When the LBS client is accepted described updating service quality parameter set, send the 2nd LBS request message to LC, wherein comprise the indication of confirming that service quality is heavily consulted;
LC positions the selection of algorithm again according to described updating service quality parameter set, and when selected location algorithm satisfies requiring of updating service quality, positions in ASN inside, and positioning result is sent to the LBS client.
15. method according to claim 10 also comprises step: when definite service quality was negotiable, LS sent to the LBS client by the location response message with available updating service quality parameter set, carries out service quality with the LBS client and heavily consults;
When the LBS client is accepted described updating service quality parameter set, send the 2nd LBS request message to LS, wherein comprise the indication of confirming that service quality is heavily consulted;
LS positions the selection of algorithm again according to described updating service quality parameter set, and when selected location algorithm satisfies requiring of updating service quality, positions in ASN inside, and positioning result is sent to the LBS client.
16. method according to claim 8, it is characterized in that, in definite type of service is to satisfy as possible under the situation of type, when positioning the selection of algorithm at LC, LS sends to LC with QoS parameter by the LBS request message, the location algorithm that LC selects the most approaching described QoS parameter to require according to the LBS request message that receives directly positions in ASN inside, and positioning result is sent to the LBS client.
17. method according to claim 8, it is characterized in that, in definite type of service is to satisfy as possible under the situation of type, when positioning the selection of algorithm at LS, the location algorithm that LS selects the most approaching described QoS parameter to require, position in ASN inside, and positioning result is sent to the LBS client.
18. method according to claim 17 is characterized in that, the location algorithm that LS obtains the stationkeeping ability of MS according to QoS parameter set, from AAA and the stationkeeping ability of the network that obtains from LC selects the most approaching described QoS parameter to require.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101470201A CN101369940A (en) | 2007-08-13 | 2007-08-13 | Method for providing service quality guarantee for positioning service in WiMAX network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101470201A CN101369940A (en) | 2007-08-13 | 2007-08-13 | Method for providing service quality guarantee for positioning service in WiMAX network |
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| CN101369940A true CN101369940A (en) | 2009-02-18 |
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| CNA2007101470201A Pending CN101369940A (en) | 2007-08-13 | 2007-08-13 | Method for providing service quality guarantee for positioning service in WiMAX network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460204A (en) * | 2009-06-05 | 2012-05-16 | 高通股份有限公司 | On demand positioning |
| CN103200614A (en) * | 2012-01-10 | 2013-07-10 | 中兴通讯股份有限公司 | Acquiring method and system of location capability of externally-arranged standalone service mobile location center |
| CN104113908A (en) * | 2013-04-16 | 2014-10-22 | 白银博德信通科技有限公司 | Fusion positioning method based on radio over fiber technology, and fusion positioning system based on radio over fiber technology |
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2007
- 2007-08-13 CN CNA2007101470201A patent/CN101369940A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460204A (en) * | 2009-06-05 | 2012-05-16 | 高通股份有限公司 | On demand positioning |
| US9274231B2 (en) | 2009-06-05 | 2016-03-01 | Qualcomm Incorporated | Demand positioning |
| US10393883B2 (en) | 2009-06-05 | 2019-08-27 | Qualcomm Incorporated | On demand positioning |
| US11226417B2 (en) | 2009-06-05 | 2022-01-18 | Qualcomm Incorporated | On demand positioning |
| CN103200614A (en) * | 2012-01-10 | 2013-07-10 | 中兴通讯股份有限公司 | Acquiring method and system of location capability of externally-arranged standalone service mobile location center |
| WO2013104173A1 (en) * | 2012-01-10 | 2013-07-18 | 中兴通讯股份有限公司 | Method and system for obtaining positioning capability of standalone service mobile location center (sas) |
| CN103200614B (en) * | 2012-01-10 | 2018-04-10 | 中兴通讯股份有限公司 | The acquisition methods and system of external stand-alone service mobile positioning center stationkeeping ability |
| CN104113908A (en) * | 2013-04-16 | 2014-10-22 | 白银博德信通科技有限公司 | Fusion positioning method based on radio over fiber technology, and fusion positioning system based on radio over fiber technology |
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