CN101998572A - Method and device for location maintenance in changeover process - Google Patents
Method and device for location maintenance in changeover process Download PDFInfo
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- CN101998572A CN101998572A CN2009100904363A CN200910090436A CN101998572A CN 101998572 A CN101998572 A CN 101998572A CN 2009100904363 A CN2009100904363 A CN 2009100904363A CN 200910090436 A CN200910090436 A CN 200910090436A CN 101998572 A CN101998572 A CN 101998572A
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Abstract
The invention discloses a method for location maintenance in a changeover process, which comprises a step of retransmitting a location protocol data packet which has an error or is lost to a user terminal when determining the location protocol data packet received by the user terminal has an error or is lost in the changeover process. The invention also discloses a device for the location maintenance in the changeover process, which comprises a determination unit and a retransmission unit, wherein the determination unit is used for determining if the location protocol data packet received by the user terminal has an error or is lost in the changeover process, and if the location protocol data packet received by the user terminal has an error or is lost, triggering the retransmission unit; and the retransmission unit is used for retransmitting the location protocol data packet which has an error or is lost to the user terminal. The method and the device ensure that the user equipment (UE) can accurately receive the location protocol data packet in the changeover process, thereby ensuring the location of the UE in the changeover process. The technical scheme of the invention can be realized simply and is practical.
Description
Technical field
The present invention relates to the location technology of user terminal (UE, User Equipment), relate in particular to the positioning maintenance method and apparatus in a kind of handoff procedure.
Background technology
In order to support the UE location, the existing communication network provides the location protocol that is exclusively used in the location (LPP) at UE between the network positions entity (SMLC, ServingMobile Location Center).The intermediate node network mobility management entity (MME of this protocol data bag LPP PDU between from UE to SMLC, Mobility Management Entity) transparent transmission and between base station (eNB), be that MME and eNB only are responsible for the packet that transmission SMLC sends, packet do not carried out decoding processing.The location protocol packet sends roughly, and process is: location protocol packet LPP PDU transmits by the LCS-AP interface between SMLC and MME, by the transmission of S1AP interface, LPP PDU passes through the RRC protocol transmission to LPP PDU between eNB and UEUE between MME and eNB.
When network need be known the position of UE (for example in urgent call, network will be known the residing position of UE), network positions entity SMLC sends Location Request to UE by the location protocol packet, and sends the auxiliary data that is used for the UE measurement.UE positions measurement according to the auxiliary data of being received after receiving Location Request and auxiliary data.
In normal communication process, the location of UE is finished easily, but when certain UE that is being positioned need switch in the another one base station, above-mentioned locator data bag may can not intactly send to UE.This be because, the location protocol packet sends by the chain of command carrying, but in switching, the data of chain of command are not transmitted in the minizone, therefore may cause in switching terminal to fail to receive correct or complete packet, thereby cause location failure UE.UE in how guaranteeing to switch correctly reaches complete reception location protocol packet, is the right problem of demand side, but not relevant at present technical scheme.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method and apparatus of the positioning maintenance in a kind of handoff procedure, accurately intactly sends to UE can guarantee the location protocol packet in the UE handoff procedure, so that the UE in switching is accurately located.
For achieving the above object, technical scheme of the present invention is achieved in that
Positioning maintenance method in a kind of handoff procedure comprises:
In the handoff procedure, when determining the location protocol packet error that user terminal receives or having packet loss, to described user terminal retransmits erroneous or the location protocol packet lost.
Preferably, when described user terminal is determined the location protocol packet error that self receives or had packet loss, send bag mistake or packet loss report, described network positions entity retransmits erroneous or the location protocol packet of losing to the network positions entity.
Preferably, described source base station determines to send to the location protocol packet of described user terminal, and can not send to the information notice Mobility Management Entity MME of the location protocol packet of described user terminal, by described MME the described location protocol packet that can not send to described user terminal is retransmitted to described user terminal by target BS; Perhaps, described source base station directly sends to described target BS with the described location protocol packet that can not send to described user terminal, is transmitted to described user terminal by described target BS.
Preferably, MME determines to switch to the location protocol packet that new MME can not send to described user terminal because of described user terminal, described MME disconnects itself and being connected of described network positions entity, described network positions entity and described new MME connect, and retransmit the described location protocol packet that can not send to described user terminal by described new MME.
Preferably, described network positions entity is Serving Mobile Location Center SMLC.
Positioning maintenance device in a kind of handoff procedure comprises:
Determining unit is used at handoff procedure, determines that location protocol packet that user terminal receives is whether wrong or have packet loss, triggers retransmission unit when being; And
Retransmission unit is used for to described user terminal retransmits erroneous or the location protocol packet lost.
Preferably, described determining unit is arranged in described user terminal, when determining the location protocol packet error that described user terminal receives or having packet loss, sends bag mistake or packet loss report by described user terminal to the network positions entity; Described retransmission unit is arranged in described network positions entity, retransmits erroneous or the location protocol packet of losing.
Preferably, described determining unit is arranged in source base station, determines that described source base station can not send to the location protocol packet of described user terminal, and can not be sent to the information notice MME of the location protocol packet of described user terminal by described source base station; Described retransmission unit is arranged in described MME, and the described location protocol packet that can not send to described user terminal is retransmitted to described user terminal by target BS; Perhaps, described retransmission unit is positioned at described target BS, and described source base station sends to described target BS with the described location protocol packet that can not send to described user terminal, is transmitted to described user terminal by described target BS.
Preferably, described determining unit is arranged in MME, determine to switch to the location protocol packet that new MME can not send to described user terminal because of described user terminal, described MME disconnects itself and being connected of described network positions entity, described network positions entity and described new MME connect, described retransmission unit is arranged in described network positions entity, retransmits the described location protocol packet that can not send to described user terminal by described new MME.
Preferably, described network positions entity is SMLC.
In the UE handoff procedure, when the location protocol packet of determining to send to UE is imperfect or wrong, to notify SMLC to retransmit the location protocol packet to UE, perhaps, the MME that notice UE inserts retransmits the location protocol packet to UE, perhaps, can not send to the location protocol packet notification target base station of UE, retransmit the location protocol packet to UE by target BS by source base station.Even the present invention has guaranteed the UE in handoff procedure and also can receive the location protocol packet exactly, thereby guaranteed and can the UE in switching have been positioned that technical solution of the present invention realizes simple and practical.
Description of drawings
Fig. 1 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention one;
Fig. 2 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention two;
Fig. 3 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention three;
Fig. 4 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention four;
Fig. 5 is the composition structural representation of the positioning maintenance device in the handoff procedure of the present invention.
Embodiment
Basic thought of the present invention is: in the UE handoff procedure, when the location protocol packet of determining to send to UE is imperfect or wrong, to notify SMLC to retransmit the location protocol packet to UE, perhaps, the MME that notice UE inserts retransmits the location protocol packet to UE, perhaps, can not send to the location protocol packet notification target base station of UE, retransmit the location protocol packet to UE by target BS by source base station.Even the present invention has guaranteed the UE in handoff procedure and also can receive the location protocol packet exactly, thereby guaranteed and can the UE in switching have been positioned that technical solution of the present invention realizes simple and practical.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment one
Fig. 1 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention one, and as shown in Figure 1, the positioning maintenance method in the handoff procedure of this example may further comprise the steps:
Step 101: need know the position of certain UE when network, network positions entity SMLC starts a localization.At first send the stationkeeping ability demand signalling to this UE, request UE reports the stationkeeping ability of oneself supporting.
Step 102:UE sends the stationkeeping ability response signaling to SMLC after receiving the stationkeeping ability request, wherein comprise the own stationkeeping ability of being supported, as supporting the GPS location.
Step 103:SMLC after the stationkeeping ability response that receives UE, according to the stationkeeping ability that UE supported, the configuration UE positional parameter, and send the location information requests signaling and comprise that assist location is measured or the auxiliary data signaling of position calculation to UE.
Step 104:SMLC sends above-mentioned signaling by location protocol (LPP), and above-mentioned signaling is divided into a plurality of packets, and each packet is carried out unique numbering.Method for numbering serial can be as follows: a localization comprises three classes location affairs, be respectively stationkeeping ability exchange, auxiliary data issues and locating information exchanges, each class affairs is distributed an affairs numbering transation_id, for example stationkeeping ability is exchanged for 1, it is 2 that auxiliary data issues, and locating information is exchanged for 3, and the signaling of each location affairs is divided into a plurality of packets if desired and sends, so in order each packet is numbered, as packet_id=0......n.Except that this number information, each packet also comprises an information word PacketAmound, is used to refer to single location affairs and is divided into what packets altogether and sends.
Step 105:LPP packet (the aforesaid packet that comprises various affairs) sends to MME by SMLC by the LCS-AP interface, be packaged into the S1AP packet by the S1AP interface by MME then, send to eNB, last eNB decoding S1AP packet, and be packaged into the RRC packet, send to UE by signaling downlink information transmission (DL information transfer) message in the interface aloft.
Step 106: when the localization well afoot, SMLC is sending auxiliary data to UE, and in a single day this UE switches to new sub-district, and the location protocol packet just need send to UE by new sub-district.UE detects the numbering of the location protocol packet that receives, be numbered the number of data packets that the number of data packets that has received that 2 auxiliary data issues affairs is less than information word PacketAmount indication in the packet if find the location affairs, and by detecting packet-id in the packet, by contrast PacketAmount, find out the packet that lacks, then send error reporting to network positions entity SMLC, request SMLC resends this and fails to receive successful packet.Error reporting can comprise the transation_id of location affairs numbering, and is set to 2, and expression lacks auxiliary data, also comprises package number packet-id, is designated as the packet that UE lacks by the contrast discovery.
Step 107:SMLC according to the feedback information of error reporting, retransmits the location protocol packet that UE needs after receiving error reporting.
Embodiment two
Fig. 2 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention two, and as shown in Figure 2, the positioning maintenance method in the handoff procedure of this example may further comprise the steps:
Step 201: need know the position of certain UE when network, network positions entity SMLC starts a localization.At first send the stationkeeping ability demand signalling to this UE, request UE reports the stationkeeping ability of oneself supporting.
Step 202:UE sends the stationkeeping ability response signaling to SMLC after receiving the stationkeeping ability request, wherein comprise the own stationkeeping ability of being supported, as supporting the GPS location.
Step 203:SMLC after the stationkeeping ability response that receives UE, according to the stationkeeping ability that UE supported, the configuration UE positional parameter, and send the location information requests signaling and comprise that assist location is measured or the auxiliary data signaling of position calculation to UE.
Step 204:SMLC sends above-mentioned signaling by location protocol (LPP), and above-mentioned signaling is divided into a plurality of packets, and each packet is carried out unique numbering.Method for numbering serial can be as follows: a localization comprises three classes location affairs, be respectively stationkeeping ability exchange, auxiliary data issues and locating information exchanges, each class affairs is distributed an affairs numbering transation_id, for example stationkeeping ability is exchanged for 1, it is 2 that auxiliary data issues, and locating information is exchanged for 3, and the signaling of each location affairs is divided into a plurality of packets if desired and sends, so in order each packet is numbered, as packet_id=0......n.Except that this number information, each packet also comprises an information word PacketAmound, is used to refer to single location affairs and is divided into what packets altogether and sends.
Step 205:LPP packet (the aforesaid packet that comprises various affairs) sends to MME by SMLC by the LCS-AP interface, be packaged into the S1AP packet by the S1AP interface by MME then, send to eNB, last eNB decoding S1AP packet, and be packaged into the RRC packet, send to UE by signaling downlink information transmission (DL information transfer) message in the interface aloft.
Step 206: send in the process of eNB at MME, the location protocol data envelope that MME will send is dressed up S1AP protocol data bag, and the S1AP package number is set, and add sign Information_Type=" LPP ", in signaling DL NAS Transport, send to eNB.
Step 207: the location protocol packet that receives is sent to UE according to the process eNB described in the step 205.
Step 208: if UE switches, and the sign Information_Type of source eNB this moment by the S1AP packet judges the location protocol packet is arranged owing to connect that disconnecting fails sends to UE, then source eNU writes down the S1AP package number of the carrying location protocol packet of the transmission that fails, and this number information fed back to MME, wherein feedback information can comprise the fail S1AP package number of the carrying location protocol packet that sends of base station, or/and the sign of the target BS that UE switches to.
Step 209:MME according to the numbering in the feedback information, sends to these S1AP packets the target BS at UE place after the feedback information that receives the eNB transmission.
Step 210: target eNB sends to UE with the location protocol packet according to the flow process of describing in the step 205.
Embodiment three
Fig. 3 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention three, and as shown in Figure 3, the positioning maintenance method in the handoff procedure of this example may further comprise the steps:
Step 301: need know the position of certain UE when network, network positions entity SMLC starts a localization.At first send the stationkeeping ability demand signalling to this UE, request UE reports the stationkeeping ability of oneself supporting.
Step 302:UE sends the stationkeeping ability response signaling to SMLC after receiving the stationkeeping ability request, wherein comprise the own stationkeeping ability of being supported, as supporting the GPS location.
Step 303:SMLC after the stationkeeping ability response that receives UE, according to the stationkeeping ability that UE supported, the configuration UE positional parameter, and send the location information requests signaling and comprise that assist location is measured or the auxiliary data signaling of position calculation to UE.
Step 304:SMLC sends above-mentioned signaling by location protocol (LPP), and above-mentioned signaling is divided into a plurality of packets, and each packet is carried out unique numbering.Method for numbering serial can be as follows: a localization comprises three classes location affairs, be respectively stationkeeping ability exchange, auxiliary data issues and locating information exchanges, each class affairs is distributed an affairs numbering transation_id, for example stationkeeping ability is exchanged for 1, it is 2 that auxiliary data issues, and locating information is exchanged for 3, and the signaling of each location affairs is divided into a plurality of packets if desired and sends, so in order each packet is numbered, as packet_id=0......n.Except that this number information, each packet also comprises an information word PacketAmound, is used to refer to single location affairs and is divided into what packets altogether and sends.
Step 305:LPP packet (the aforesaid packet that comprises various affairs) sends to MME by SMLC by the LCS-AP interface, be packaged into the S1AP packet by the S1AP interface by MME then, send to eNB, last eNB decoding S1AP packet, and be packaged into the RRC packet, send to UE by signaling downlink information transmission (DL information transfer) message in the interface aloft.
Step 306: send in the process of eNB at MME, the location protocol data envelope that MME will send is dressed up S1AP protocol data bag, and the S1AP package number is set, and add sign InformationType=" LPP ", in signaling DL NAS Transport, send to eNB.
Step 307: the location protocol packet that receives is sent to UE according to the described process eNB of step 305.
Step 308: if UE switches, and the sign Information_Type of source eNB this moment by the S1AP packet judges the location protocol packet is arranged owing to connect that disconnecting fails sends to UE, and then source eNB sends to the target eNB of UE by the X2 interface that connects between the adjacent eNB with will the fail location protocol packet that sends of user data
Step 309: target eNB sends the location protocol packet to UE.
Embodiment four
Fig. 4 is the flow chart of the positioning maintenance method in the handoff procedure of the embodiment of the invention four, and as shown in Figure 4, the positioning maintenance method in the handoff procedure of this example may further comprise the steps:
Step 401: need know the position of certain UE when network, network positions entity SMLC starts a localization.At first send the stationkeeping ability demand signalling to this UE, request UE reports the stationkeeping ability of oneself supporting.
Step 402:UE sends the stationkeeping ability response signaling to SMLC after receiving the stationkeeping ability request, wherein comprise the own stationkeeping ability of being supported, as supporting the GPS location.
Step 403:SMLC after the stationkeeping ability response that receives UE, according to the stationkeeping ability that UE supported, the configuration UE positional parameter, and send the location information requests signaling and comprise that assist location is measured or the auxiliary data signaling of position calculation to UE.
Step 404:SMLC sends above-mentioned signaling by location protocol (LPP), and above-mentioned signaling is divided into a plurality of packets, and each packet is carried out unique numbering.Method for numbering serial can be as follows: a localization comprises three classes location affairs, be respectively stationkeeping ability exchange, auxiliary data issues and locating information exchanges, each class affairs is distributed an affairs numbering transation_id, for example stationkeeping ability is exchanged for 1, it is 2 that auxiliary data issues, and locating information is exchanged for 3, and the signaling of each location affairs is divided into a plurality of packets if desired and sends, so in order each packet is numbered, as packet_id=0......n.Except that this number information, each packet also comprises an information word, uses PacketAmound, is used to refer to single location affairs and is divided into what packets altogether and sends.
Step 405:LPP packet (the aforesaid packet that comprises various affairs) sends to MME by SMLC by the LCS-AP interface, be packaged into the S1AP packet by the S1AP interface by MME then, send to eNB, last eNB decoding S1AP packet, and be packaged into the RRC packet, send to UE by signaling downlink information transmission (DL information transfer) message in the interface aloft.
Step 406: if UE switches to new MME, source MME can know the S1AP package number that fails and send by the mode among the embodiment three so, because the function of MME comprises decoding and coding S1AP packet, so source MME can obtain the location affairs numbering and the package number of location protocol packet by decoding.Source MME gives SMLC with these feedback information, can also comprise the sign of target MME simultaneously; Perhaps source MME send to connect discharges demand signalling to SMLC, being connected between request source of release MME and the SMLC.
Step 407:SMLC send to connect and to set up demand signalling to target MME, request set up between SMLC and the target MME be connected.Connecting foundation back SMLC according to the feedback information that receives, the location protocol packet that resends given transaction numbering and package number is to target MME; Perhaps directly resend all corresponding location protocol packets of this affairs numbering.
Step 408: target MME sends the location protocol packet to UE according to the flow process of describing in the step 405.
Fig. 5 is the composition structural representation of the positioning maintenance device in the handoff procedure of the present invention, as shown in Figure 5, positioning maintenance device in the handoff procedure of the present invention comprises determining unit 50 and retransmission unit 51, wherein, determining unit 50 is used at handoff procedure, determine that location protocol packet that user terminal receives is whether wrong or have packet loss, trigger retransmission unit 51 when being; Retransmission unit 51 is used for to described user terminal retransmits erroneous or the location protocol packet lost.Described network positions entity is SMLC.
Among the present invention, determining unit can be arranged in user terminal, base station or MME, and retransmission unit 51 can be arranged in user terminal, base station, SMLC or MME, below describes respectively.
Determining unit 50 is arranged in described user terminal, when determining the location protocol packet error that described user terminal receives or having packet loss, sends bag mistake or packet loss report by described user terminal to the network positions entity; Retransmission unit 51 is arranged in described network positions entity, retransmits erroneous or the location protocol packet of losing.
Determining unit 50 is arranged in source base station, determines that described source base station can not send to the location protocol packet of described user terminal, and can not be sent to the information notice MME of the location protocol packet of described user terminal by described source base station; Retransmission unit 51 is arranged in described MME, and the described location protocol packet that can not send to described user terminal is retransmitted to described user terminal by target BS; Perhaps, described retransmission unit is positioned at described target BS, and described source base station sends to described target BS with the described location protocol packet that can not send to described user terminal, is transmitted to described user terminal by described target BS.
Determining unit 50 is arranged in MME, determine to switch to the location protocol packet that new MME can not send to described user terminal because of described user terminal, described MME disconnects itself and being connected of described network positions entity, described network positions entity and described new MME connect, retransmission unit 51 is arranged in described network positions entity, retransmits the described location protocol packet that can not send to described user terminal by described new MME.
Those skilled in the art are to be understood that, positioning maintenance device in the handoff procedure shown in Figure 5 is for realizing that the positioning maintenance method in the aforesaid handoff procedure is provided with, each processing unit can be understood with reference to the method shown in the previous embodiment one to four in the device shown in Figure 5, its function can realize by the program that runs on the processor, also can realize by concrete logical circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. the positioning maintenance method in the handoff procedure is characterized in that, comprising:
In the handoff procedure, when determining the location protocol packet error that user terminal receives or having packet loss, to described user terminal retransmits erroneous or the location protocol packet lost.
2. method according to claim 1, it is characterized in that, when described user terminal is determined the location protocol packet error that self receives or had packet loss, send bag mistake or packet loss report, described network positions entity retransmits erroneous or the location protocol packet of losing to the network positions entity.
3. method according to claim 1, it is characterized in that, described source base station determines to send to the location protocol packet of described user terminal, and can not send to the information notice Mobility Management Entity MME of the location protocol packet of described user terminal, by described MME the described location protocol packet that can not send to described user terminal is retransmitted to described user terminal by target BS; Perhaps, described source base station directly sends to described target BS with the described location protocol packet that can not send to described user terminal, is transmitted to described user terminal by described target BS.
4. method according to claim 1, it is characterized in that, MME determines to switch to the location protocol packet that new MME can not send to described user terminal because of described user terminal, described MME disconnects itself and being connected of described network positions entity, described network positions entity and described new MME connect, and retransmit the described location protocol packet that can not send to described user terminal by described new MME.
5. according to each described method in the claim 1 to 4, it is characterized in that described network positions entity is Serving Mobile Location Center SMLC.
6. the positioning maintenance device in the handoff procedure is characterized in that, comprising:
Determining unit is used at handoff procedure, determines that location protocol packet that user terminal receives is whether wrong or have packet loss, triggers retransmission unit when being; And
Retransmission unit is used for to described user terminal retransmits erroneous or the location protocol packet lost.
7. device according to claim 6, it is characterized in that, described determining unit is arranged in described user terminal, when determining the location protocol packet error that described user terminal receives or having packet loss, sends bag mistake or packet loss report by described user terminal to the network positions entity; Described retransmission unit is arranged in described network positions entity, retransmits erroneous or the location protocol packet of losing.
8. device according to claim 6, it is characterized in that, described determining unit is arranged in source base station, determine that described source base station can not send to the location protocol packet of described user terminal, and can not send to the information notice MME of the location protocol packet of described user terminal by described source base station; Described retransmission unit is arranged in described MME, and the described location protocol packet that can not send to described user terminal is retransmitted to described user terminal by target BS; Perhaps, described retransmission unit is positioned at described target BS, and described source base station sends to described target BS with the described location protocol packet that can not send to described user terminal, is transmitted to described user terminal by described target BS.
9. device according to claim 6, it is characterized in that, described determining unit is arranged in MME, determine to switch to the location protocol packet that new MME can not send to described user terminal because of described user terminal, described MME disconnects itself and being connected of described network positions entity, described network positions entity and described new MME connect, and described retransmission unit is arranged in described network positions entity, retransmit the described location protocol packet that can not send to described user terminal by described new MME.
10. according to each described device in the claim 6 to 9, it is characterized in that described network positions entity is SMLC.
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| CN2009100904363A CN101998572A (en) | 2009-08-11 | 2009-08-11 | Method and device for location maintenance in changeover process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684022A (en) * | 2013-11-29 | 2015-06-03 | 宏碁股份有限公司 | Communication method and mobile electronic device |
| CN111095013A (en) * | 2017-09-14 | 2020-05-01 | 高通股份有限公司 | Opportunistic selection signal reception for mobile device position location estimation |
| CN113271639A (en) * | 2021-05-19 | 2021-08-17 | 维沃移动通信有限公司 | Network service processing method and device |
-
2009
- 2009-08-11 CN CN2009100904363A patent/CN101998572A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684022A (en) * | 2013-11-29 | 2015-06-03 | 宏碁股份有限公司 | Communication method and mobile electronic device |
| CN104684022B (en) * | 2013-11-29 | 2018-04-17 | 宏碁股份有限公司 | Communication method and mobile electronic device |
| CN111095013A (en) * | 2017-09-14 | 2020-05-01 | 高通股份有限公司 | Opportunistic selection signal reception for mobile device position location estimation |
| CN111095013B (en) * | 2017-09-14 | 2023-10-20 | 高通股份有限公司 | Selection signal reception for mobile device position location estimation |
| CN113271639A (en) * | 2021-05-19 | 2021-08-17 | 维沃移动通信有限公司 | Network service processing method and device |
| CN113271639B (en) * | 2021-05-19 | 2023-09-26 | 维沃移动通信有限公司 | Network service processing method and device |
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Application publication date: 20110330 |