CN102098778B - Method, system and equipment for determining base station capability - Google Patents
Method, system and equipment for determining base station capability Download PDFInfo
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- CN102098778B CN102098778B CN 200910242146 CN200910242146A CN102098778B CN 102098778 B CN102098778 B CN 102098778B CN 200910242146 CN200910242146 CN 200910242146 CN 200910242146 A CN200910242146 A CN 200910242146A CN 102098778 B CN102098778 B CN 102098778B
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Abstract
The embodiment of the invention discloses a method, system and equipment for determining base station capability, relates to the technical field of wireless communication and is used for solving the problem that the LPPa (Long term evolution Positioning Protocol Annex) capability of a base station can not be determined in the prior art. In the invention, related positioning equipment sends an LPPa packet; the base station receives the LPPa packet, then analyzes the LPPa packet and feeds back indication information on whether the LPPa packet is correctly analyzed or not; the related positioning equipment receives the indication information and then determines whether the base station supports the LPPa protocol or not according to the indication information. By adopting the method, the system and the equipment, a scheme of determining whether the base station has the LPPa capability or not is realized.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of base station ability and determine method, system and equipment.
Background technology
Mobile location service is the business of utilizing the position of subscriber equipment (UE) to carry out, such as emergency relief etc.Current, can there be following two kinds of implementation methods the location: chain of command location and user's face location.The chain of command location refers to that position fixing process need use evolved universal terrestrial radio access network (UMTS TerrestrialRadio Access Network, E-UTRAN) signaling link, Mobility Management Entity (MME) is to Serving Mobile Location Center (the Evolved Serving Mobile Location Center of evolution, E-SMLC) send Location Request triggered location process, E-SMLC is to MME restoring to normal position result after finishing positioning action, and E-SMLC, MME, base station (eNodeB), UE etc. may participate in the position fixing process.
The positioning architecture relevant with E-UTRAN as shown in Figure 1, wherein the effect of each main node is as follows:
E-SMLC is converted into corresponding E-UTRAN measurement parameter with the status requirement of client-requested, and selects localization method.The location estimation of returning is calculated final result and precision;
MME, MME are that location service (LCS) provides the mobile management function, comprise to the movement of E-SMLC circular UE;
ENodeB provides positioning service relevant measurement result to E-SMLC, and transmits the required supplementary of positioning service etc.;
UE provides positioning service relevant measurement result to E-SMLC.
(LTE Positioning Protocol Annex, protocol stack interface relationship LPPa) as shown in Figure 2 for the medium-term and long-term evolution location protocol of location technology.Wherein, L1 is layer 1 interface, and L2 is layer 2 interface, and IP is internet protocol interface, and SCTP is the SCTP interface, and S1-AP is S1 access point interface, and LCS-AP is location service access point interface.
When MME receives each request for location services, give selected E-SMLC with transmitting message, and E-SMLC is responsible for handling Location Request from MME as the centre of location, select suitable localization method according to its service quality attributes such as (QOS), at present the localization method that can support comprise enhancing cellular cell identification (E-CID), observe arrive the time difference (Observed Time Difference Of Arrival, OTDOA) and the localization method of GLONASS (Global Navigation Satellite System) (A-GNSS) etc.E-CID localization method for network side is selected need transmit LPPa message, thereby finish the location requirement of terminal between E-SMLC and ENB.
In realizing process of the present invention, the inventor finds to exist in the prior art following technical problem:
Lack in the targeting scheme at present and judge whether the base station possesses the method whether the LPPa ability namely supports the LPPa agreement, may cause not possessing the LPPa ability in the base station and E-SMLC when having selected the E-CID localization method, fail owing to can't between E-SMLC and ENB, transmit the location of LPPa message.
Summary of the invention
The embodiment of the invention provides a kind of base station ability to determine method, system and equipment, is used for solving prior art and can't determines whether the base station possesses the problem of LPPa ability.
A kind of base station ability is determined method, and this method comprises:
The location relevant device sends Long Term Evolution location protocols annex LPPa packet;
After the base station receives described LPPa packet, resolve described LPPa packet, and whether feedback correctly resolves the indication information of described LPPa packet;
After the location relevant device receives described indication information, determine according to described indication information whether the base station supports the LPPa agreement.
A kind of base station ability is determined system, and this system comprises:
The location relevant device is used for sending Long Term Evolution location protocols annex LPPa packet; After receiving the indication information of base station feedback, determine according to described indication information whether the base station supports the LPPa agreement;
Described LPPa packet after being used for receiving described LPPa packet, is resolved in the base station, and whether feedback correctly resolves the indication information of described LPPa packet.
A kind of mobility management apparatus, this equipment comprises:
The packet retransmission unit, the Long Term Evolution location protocols annex LPPa packet that sends for the Serving Mobile Location Center E-SMLC with evolution sends to the base station;
Ability determining unit is used for determining according to described indication information whether the base station supports the LPPa agreement after whether the expression that receives base station feedback correctly resolves the indication information of described LPPa packet.
A kind of Serving Mobile Location Center equipment of evolution, this equipment comprises:
The packet transmitting element is used for Long Term Evolution location protocols annex LPPa packet is sent to Mobility Management Entity MME, to indicate this MME described LPPa packet is sent to the base station;
Whether ability determining unit is used for supporting the information of LPPa agreement to determine whether described base station supports the LPPa agreement according to what the MME that receives sent for the described base station of expression; Perhaps, determine according to whether in the setting-up time section, receiving described information whether described base station supports the LPPa agreement.
A kind of base station, this base station comprises:
The packet receiving element is used for receiving the Long Term Evolution location protocols annex LPPa packet that the location relevant device is sent;
The feedback information unit is used for resolving described LPPa packet, and whether correctly resolves the indication information of described LPPa packet to described location relevant device feedback.
Among the present invention, the location relevant device sends the LPPa packet to the base station, and whether base station feedback correctly resolves the indication information of this LPPa packet, and the location relevant device determines according to this indication information whether the base station supports the LPPa agreement, namely whether possesses the LPPa ability.As seen, we are bright has realized whether definite base station possesses the scheme of LPPa ability.
Description of drawings
Fig. 1 is positioning architecture schematic diagram in the prior art;
Fig. 2 is LPPa protocol stack interface relationship schematic diagram in the prior art;
The method flow schematic diagram that Fig. 3 provides for the embodiment of the invention;
Fig. 4 is the schematic flow sheet of the embodiment of the invention;
The system configuration schematic diagram that Fig. 5 provides for the embodiment of the invention;
The MME structural representation that Fig. 6 provides for the embodiment of the invention;
The E-SMLC structural representation that Fig. 7 provides for the embodiment of the invention;
The architecture of base station schematic diagram that Fig. 8 provides for the embodiment of the invention.
Embodiment
Can't determine in the prior art in order to solve whether the base station possesses the problem of LPPa ability, the embodiment of the invention provides a kind of base station ability to determine method, in this method, the location relevant device sends the LPPa packet to the base station, whether base station feedback correctly resolves the indication information of this LPPa packet, the location relevant device determines according to this indication information whether the base station supports the LPPa agreement, namely whether possesses the LPPa ability.
Referring to Fig. 3, the base station ability that the embodiment of the invention provides determines that method specifically may further comprise the steps:
Step 30: the location relevant device sends Long Term Evolution location protocols annex (LPPa) packet;
Step 31: after the base station receives the LPPa packet, resolve this LPPa packet, and whether feedback correctly resolves the indication information of this LPPa packet;
Step 32: after the location relevant device receives the indication information of sending the base station, determine according to this indication information whether the base station supports the LPPa agreement.
Among the present invention, the location relevant device comprises that the Serving Mobile Location Center (E-SMLC), Mobility Management Entity (MME) etc. of evolution participate in the relevant device that the chain of command user locatees.
In the step 30, the specific implementation of location relevant device transmission LPPa packet can be as follows:
At first, E-SMLC sends to MME by location service access point (LCS AP) interface with the LPPa packet; Then, after MME receives the LPPa packet, by S1 access point (AP) interface this LPPa packet is sent to the base station.The LPPa packet can be LPPa protocol Data Unit (PDU) etc.
In the step 31, when the LPPa packet was not correctly resolved in the base station, the indication information of feedback can comprise syntax error message and/or unapprehended process identifier etc.
In the step 32, the location relevant device determines according to the indication information that receives whether the base station supports the LPPa agreement, and specific implementation can have following dual mode:
After mode one: MME receives the indication information of base station feedback, determine according to this indication information whether the base station supports the LPPa agreement, and will determine that by LCS AP interface the result sends to E-SMLC, E-SMLC is according to determining that result know whether the base station supports the LPPa agreement.
After mode two: MME receives the indication information of base station feedback, determine according to this indication information whether the base station supports the LPPa agreement, if support, then will determine that by LCS AP interface the result sends to E-SMLC; If do not support, then do not send to E-SMLC and determine the result; E-SMLC then determines base station support LPPa agreement if receive definite result that MME sends in the setting-up time section; Otherwise, determine that the base station do not support the LPPa agreement.During specific implementation, E-SMLC starts a timer when sending the LPPa packet, if also do not receive definite result that MME sends when this timer expiry, then the LPPa agreement is not supported in definite base station, otherwise, determine base station support LPPa agreement.
Certainly, can also be after MME receives the indication information of base station feedback, determine according to this indication information whether the base station supports the LPPa agreement, if support, then do not send to E-SMLC and determine the result; If do not support, then will determine that by LCS AP interface the result sends to E-SMLC; E-SMLC is if receive definite result that MME sends in the setting-up time section, then the LPPa agreement is not supported in definite base station; Otherwise, determine base station support LPPa agreement.
Mode three:
After MME receives the indication information of base station feedback, by LCS AP interface this indication information is sent to E-SMLC, E-SMLC determines according to this indication information whether the base station supports the LPPa agreement.
In above-mentioned three kinds of implementations, MME or E-SMLC determine according to the indication information that receives whether the base station supports the concrete grammar of LPPa agreement to be: if indication information is that the LPPa packet is correctly resolved in the base station, then determine base station support LPPa agreement; If indication information is that the LPPa packet is not correctly resolved in the base station, then the LPPa agreement is not supported in definite base station.
The location relevant device determines according to indication information whether the base station is supported after the LPPa agreement in step 32, and the location relevant device can be according to determining result's storage or upgrading the stationkeeping ability of base station.For example, the identification information that can also comprise the base station in definite object information that MME sends to E-SMLC by LCS AP interface or the indication information, after E-SMLC receives and determines object information or indication information, support the LPPa agreement if judge the base station, then the E-SMLC base station of storing this identification information correspondence possesses the information of LPPa ability or utilizes the stationkeeping ability information of this this base station of information updating, do not support the LPPa agreement if judge the base station, then the E-SMLC base station of storing this identification information correspondence does not possess the information of LPPa ability or utilizes the stationkeeping ability information of this this base station of information updating.
The location relevant device can also be according to determining that the result determines whether the base station possesses the E-CID stationkeeping ability, concrete, support the LPPa agreement if determine the result for the base station, determine that then the base station possesses the E-CID stationkeeping ability, if determine that the result does not support the LPPa agreement for the base station, determine that then the base station does not possess the E-CID stationkeeping ability.
The present invention will be described below in conjunction with specific embodiment:
As shown in Figure 4, MME receives the LPPa packet from E-SMLC, can initiate the specific S1 process for carrying LPPa packet.If target eNode B is not supported the LPPa agreement, can think that it does not support this specific S1 process.With application error indication process notice MME, and in reason (CAUSE), indicate " abstract syntax mistake ", indicate unapprehended process identifier accordingly, so MME can judge that this eNodeB does not support the LPPa agreement.Whether support the LPPa agreement in order to make E-SMLC know eNodeB, can adopt two kinds of methods.One, MME adopts independent LCS AP process, and notice E-SMLC indicates in the message and does not support the LPPa agreement, and indicates corresponding eNodeB sign.Its two, E-SMLC starts timer when sending the LPPa packet, if timer expiry can be thought the LPPa procedure failure, thereby judge that target eNode B do not support the LPPa agreement.
Embodiment one:
Step S01:E-SMLC sends the LCS AP message of carrying LPPa PDU;
Step S02:MME adopts specific S1AP process to carry this LPPa PDU;
Step S03:eNodeB judges syntax error, adopts wrong indication process notice MME;
Step S04:MME judges that accordingly this base station do not support the LPPa agreement;
The LCS AP message informing E-SMLC that step S05:MME structure is independent need indicate the eNodeB sign in the message;
The stationkeeping ability of step S06:E-SMLC storage and renewal eNodeB.
Embodiment two:
Step S11:E-SMLC sends the LCS AP message of carrying LPPa PDU, simultaneously the opening timing device;
Step S12:MME adopts specific S1AP process to carry this LPPa PDU;
Step S13:eNodeB judges syntax error, adopts wrong indication process notice MME;
Step S14:MME judges that accordingly this base station do not support the LPPa agreement;
Step S15:MME stops to respond the LCS AP message among the step S11;
Step S16: timer expiry, the LPPa agreement is not supported in E-SMLC judgement base station, the stationkeeping ability of storage and renewal eNodeB.
The inventive method is applicable to Long Term Evolution (LTE), long-term evolution upgrading mobile communication system such as (LTE-A).
Referring to Fig. 5, the embodiment of the invention also provides a kind of base station ability to determine system, and this system comprises:
Location relevant device 50 is used for sending the LPPa packet; After receiving the indication information of base station feedback, determine according to described indication information whether the base station supports the LPPa agreement;
Described LPPa packet after being used for receiving described LPPa packet, is resolved in base station 51, and whether feedback correctly resolves the indication information of described LPPa packet.
Described location relevant device 50 comprises:
The Serving Mobile Location Center of evolution (E-SMLC) 501 is used for sending described LPPa packet to Mobility Management Entity (MME);
Described MME502 after being used for receiving described indication information, determines according to described indication information whether the base station supports the LPPa agreement, and will determine that the result sends to the Serving Mobile Location Center E-SMLC of evolution;
Described E-SMLC501 is used for receiving described definite result.
Described MME502 after being used for receiving described indication information, determines according to described indication information whether the base station supports the LPPa agreement, if support, will determine that then the result sends to the Serving Mobile Location Center E-SMLC of evolution;
Described E-SMLC501 is used for receiving in the setting-up time section described definite as a result the time, determines that described base station supports the LPPa agreement; Otherwise, determine that described base station do not support the LPPa agreement.
Described location relevant device 50 is used for:
At described indication information when to be that the base station is correct resolve described LPPa packet, determine that the base station supports the LPPa agreement; Be base station when correctly not resolving described LPPa packet at described indication information, determine that the base station do not support the LPPa agreement.
Described location relevant device 50 also is used for: after determining according to described indication information whether the base station supports the LPPa agreement, according to determining that the result stores or upgrade the stationkeeping ability of described base station.
Referring to Fig. 6, the embodiment of the invention also provides a kind of mobility management apparatus, and this equipment comprises:
This equipment also comprises:
First determines transmitting element 62 as a result, is used for definite result of described ability determining unit is sent to E-SMLC.
This equipment also comprises:
Second determines transmitting element 63 as a result, when being used for definite result in described ability determining unit and be described base station support LPPa agreement, should determine that the result sent to E-SMLC.
Described ability determining unit 61 is used for:
At described indication information when to be that the base station is correct resolve described LPPa packet, determine that the base station supports the LPPa agreement; Be base station when correctly not resolving described LPPa packet at described indication information, determine that the base station do not support the LPPa agreement.
Referring to Fig. 7, a kind of Serving Mobile Location Center equipment of evolution, this equipment comprises:
Whether ability determining unit 71 is used for supporting the information of LPPa agreement to determine whether described base station supports the LPPa agreement according to what the MME that receives sent for the described base station of expression; Perhaps, determine according to whether in the setting-up time section, receiving described information whether described base station supports the LPPa agreement.
Described ability determining unit 71 is used for:
When in the setting-up time section, receiving the information of described base station support LPPa agreement, determine described base station support LPPa agreement; Otherwise, determine that described base station do not support the LPPa agreement.
This equipment also comprises:
Referring to Fig. 8, the embodiment of the invention also provides a kind of base station, and this base station comprises:
To sum up, beneficial effect of the present invention comprises:
In the scheme that the embodiment of the invention provides, the location relevant device sends the LPPa packet to the base station, whether base station feedback correctly resolves the indication information of this LPPa packet, and the location relevant device determines according to this indication information whether the base station supports the LPPa agreement, namely whether possesses the LPPa ability.As seen, we are bright has realized whether definite base station possesses the scheme of LPPa ability.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (16)
1. a base station ability is determined method, it is characterized in that, this method comprises:
The location relevant device sends Long Term Evolution location protocols annex LPPa packet;
After the base station receives described LPPa packet, resolve described LPPa packet, and whether feedback correctly resolves the indication information of described LPPa packet;
After the location relevant device receives described indication information, determine according to described indication information whether the base station supports the LPPa agreement.
2. the method for claim 1 is characterized in that, described location relevant device comprises Serving Mobile Location Center E-SMLC and the Mobility Management Entity MME of evolution, and described location relevant device sends the LPPa packet and comprises:
E-SMLC sends described LPPa packet to MME;
After MME receives described LPPa packet, described LPPa packet is sent to the base station.
3. method as claimed in claim 2 is characterized in that, after described location relevant device receives described indication information, determines according to described indication information whether the base station supports the LPPa agreement to comprise:
After MME received described indication information, MME determined according to described indication information whether the base station supports the LPPa agreement, and will determine that the result sends to E-SMLC, and E-SMLC judges according to the definite result who receives whether the base station supports the LPPa agreement.
4. method as claimed in claim 2 is characterized in that, after described location relevant device receives described indication information, determines according to described indication information whether the base station supports the LPPa agreement to comprise:
After MME received described indication information, MME determined according to described indication information whether the base station supports the LPPa agreement, if support, will determine that then the result sends to E-SMLC;
E-SMLC then determines described base station support LPPa agreement if receive described definite result in the setting-up time section; Otherwise, determine that described base station do not support the LPPa agreement.
5. as claim 3 or 4 described methods, it is characterized in that described MME determines according to described indication information whether the base station supports the LPPa agreement to comprise:
Correctly resolve described LPPa packet if described indication information is the base station, then MME determines base station support LPPa agreement; If described indication information is that described LPPa packet is not correctly resolved in the base station, then MME determines that the base station do not support the LPPa agreement.
6. the method for claim 1 is characterized in that, after determining according to described indication information whether the base station supports the LPPa agreement, this method further comprises:
Whether the location relevant device supports the LPPa agreement according to the base station, determines whether described base station possesses the cellular cell identification E-CID stationkeeping ability of enhancing.
7. a base station ability is determined system, it is characterized in that, this system comprises:
The location relevant device is used for sending Long Term Evolution location protocols annex LPPa packet; After receiving the indication information of base station feedback, determine according to described indication information whether the base station supports the LPPa agreement;
Described LPPa packet after being used for receiving described LPPa packet, is resolved in the base station, and whether feedback correctly resolves the indication information of described LPPa packet.
8. system as claimed in claim 7 is characterized in that, described location relevant device comprises:
Mobility Management Entity MME after being used for receiving described indication information, determines according to described indication information whether the base station supports the LPPa agreement, and will determine that the result sends to the Serving Mobile Location Center E-SMLC of evolution;
E-SMLC is used for judging according to the described definite result who receives whether the base station supports the LPPa agreement.
9. system as claimed in claim 7 is characterized in that, described location relevant device comprises:
Mobility Management Entity MME after being used for receiving described indication information, determines according to described indication information whether the base station supports the LPPa agreement, if support, will determine that then the result sends to the Serving Mobile Location Center E-SMLC of evolution;
E-SMLC is used for receiving in the setting-up time section described definite as a result the time, determines that described base station supports the LPPa agreement; Otherwise, determine that described base station do not support the LPPa agreement.
10. a mobility management apparatus is characterized in that, this equipment comprises:
The packet retransmission unit, the Long Term Evolution location protocols annex LPPa packet that sends for the Serving Mobile Location Center E-SMLC with evolution sends to the base station;
Ability determining unit is used for determining according to described indication information whether the base station supports the LPPa agreement after whether the expression that receives base station feedback correctly resolves the indication information of described LPPa packet.
11. equipment as claimed in claim 10 is characterized in that, this equipment comprises that also first determines that transmitting element and/or second is determined transmitting element as a result as a result, wherein:
First determines transmitting element as a result, is used for definite result of described ability determining unit is sent to the E-SMLC of evolution;
Second determines transmitting element as a result, when being used for definite result in described ability determining unit and be described base station support LPPa agreement, this is determined that the result sends to the E-SMLC of evolution.
12. equipment as claimed in claim 10 is characterized in that, described ability determining unit is used for:
At described indication information when to be that the base station is correct resolve described LPPa packet, determine that the base station supports the LPPa agreement; Be base station when correctly not resolving described LPPa packet at described indication information, determine that the base station do not support the LPPa agreement.
13. the Serving Mobile Location Center equipment of an evolution is characterized in that, this equipment comprises:
The packet transmitting element is used for Long Term Evolution location protocols annex LPPa packet is sent to Mobility Management Entity MME, to indicate this MME described LPPa packet is sent to the base station;
Whether ability determining unit is used for supporting the information of LPPa agreement to determine whether described base station supports the LPPa agreement according to what the MME that receives sent for the described base station of expression; Perhaps, determine according to whether in the setting-up time section, receiving described information whether described base station supports the LPPa agreement.
14. equipment as claimed in claim 13 is characterized in that, described ability determining unit is used for:
When in the setting-up time section, receiving the information of described base station support LPPa agreement, determine described base station support LPPa agreement; Otherwise, determine that described base station do not support the LPPa agreement.
15. equipment as claimed in claim 13 is characterized in that, this equipment comprises:
Information process unit is used for whether supporting the LPPa agreement according to the base station, determines whether described base station possesses the cellular cell identification E-CID stationkeeping ability of enhancing.
16. a base station is characterized in that, this base station comprises:
The packet receiving element is used for receiving the Long Term Evolution location protocols annex LPPa packet that the location relevant device is sent;
The feedback information unit is used for resolving described LPPa packet, and whether correctly resolves the indication information of described LPPa packet to described location relevant device feedback.
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| JP6790371B2 (en) * | 2016-02-04 | 2020-11-25 | ソニー株式会社 | Communication device, communication method, transmitter and receiver |
| CN110012536B (en) | 2018-01-05 | 2021-10-01 | 华为技术有限公司 | Positioning method, device and system for terminal equipment |
| US11683660B2 (en) | 2020-02-06 | 2023-06-20 | Huawei Technologies Co., Ltd. | Method, apparatus and system for determining a location of a mobile device |
| US12010583B2 (en) | 2020-02-06 | 2024-06-11 | Huawei Technologies Co., Ltd. | Method, apparatus and system for mobile device location determination |
| US20210258731A1 (en) * | 2020-02-14 | 2021-08-19 | Huawei Technologies Co., Ltd. | Terrestrial positioning system |
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| CN101572584B (en) * | 2008-04-30 | 2012-01-04 | 华为技术有限公司 | Error detection method, equipment and system for message |
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