CN104469841B - A kind of method of reduction E CID positioning time delays and signaling consumption - Google Patents
A kind of method of reduction E CID positioning time delays and signaling consumption Download PDFInfo
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- CN104469841B CN104469841B CN201410802499.8A CN201410802499A CN104469841B CN 104469841 B CN104469841 B CN 104469841B CN 201410802499 A CN201410802499 A CN 201410802499A CN 104469841 B CN104469841 B CN 104469841B
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- cid
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Abstract
The present invention provides a kind of reduction E CID（Enhanced Cell ID positioning method, the Cell ID positioning method of enhancing）Position time delay and the method for signaling consumption, problem to be solved by this invention is the UE for switching, if to carry out E CID to it, which kind of scheme is taken to ensure that switching flow and positioning flow can smoothly complete, and reduce the time delay and signal resource of two flows as far as possible；This programme only focuses on the switching based on X2 interface and S1 interfaces between base station in LTE system；For the X2 switchings and S1 switchings between base station, E CID measurement configuration informations are carried in handover request message, after the completion of target BS switching, the E CID measurement configuration informations to come according to source base station band continue to complete the positioning flow to UE.The UE that the present invention switches for needs, due to need not be interacted with E SMLC, so it can position time delay and signal resource to reduce.
Description
Technical field
The present invention relates to moving communicating field.In particular it relates to a kind of 3GPP long evolving systems (LTE,
Long Term Evolution) in mobile phone carry out E-CID (Enhanced Cell-ID positioning method,
The Cell ID positioning method of enhancing) positioning when, reduce positioning time delay and signaling consumption method.
Background technology
CID positioning methods are R8 location requirements, and the E-CID localization methods of its enhancement method occurs in R9.It is simple below
CID localization methods are introduced, base station is receiving MME (Mobility Management Entity, mobile management entity) hairs
After the Location Report Control (starting reporting position comprising instruction) sent, the CGI and TAI of reporting subdistrict, and examine
Whether the serving cell for surveying UE changes.If UE is switched between the different districts in same base station or rebuilds behavior
When, base station needs to send Location Report to MME, reports its new cell information, receives MME and sends Location
Report Control instruction stop positions report.E-CID localization methods are mainly by obtaining cell residing for UE, AOA, Timing
The physical bit of one or more of information combination cells such as Advance Type1, Timing Advance Type2, RSRP and RSRQ
Put, substantially estimate UE position, this positional precision is than relatively low, at 100 meters or so.E-CID positioning instructions are by location-server
E-CID measurement initial request messages (E-CID MEASUREMENT INITIATION REQUEST) and E-CID measurements are terminated
Command messages (MEASUREMENT TERMINATION COMMAND) signaling is packaged into LPPa PDU, is issued through MME by S1AP
To base station.Base station positions the E-CID measurements of instruction implementing result for E-CID and terminates command messages (E-CID MEASUREMENT
INITIATION RESPONSE) or initial failed message (the E-CID MEASUREMENT INITIATION of E-CID measurements
FAILURE LPPa PDU) are packaged into, MME are uploaded to by S1AP, MME is transmitted to location-server.Base station starts for corresponding UE
E-CID is accordingly after measurement, when needing corresponding measurement result and reporting location-server, by report measurement results E-CID
MEASUREMENT REPORT are packaged into LPPa PDU, pass through S1AP message UPLINK UE ASSOCIATED LPPA
TRANSPORT is uploaded to MME, and MME is transmitted to location-server.Receive the E-CID MEASUREMENT that E-SMLC is sent
After TERMINATION COMMAND orders, base station stops E-CID measurements and reported, and E-CID positioning flows terminate.
The present invention proposes a kind of simple method, for that, if when initiating UE E-CID positioning, can have in handoff scenario
Reduce positioning time delay and signal resource in effect ground.
The content of the invention
The technical problem to be solved in the present invention：
Problem to be solved by this invention is the UE for switching, if to carry out E-CID to it, which kind of is taken
Scheme ensures that switching flow and positioning flow can smoothly complete, and reduces the time delay and signal resource of two flows as far as possible；
The present invention pays close attention to the switching based on X2 interface and S1 interfaces between base station in LTE system；
Technical scheme is used by solving the technical problem：
For the X2 switchings and S1 switchings between base station, E-CID measurement configuration informations are carried in handover request message, in mesh
After the completion of marking base station switching, the E-CID measurement configuration informations to be come according to source base station band continue to complete the positioning flow to UE；
Its specific step is：
1) E-SMLC (Evolved Serving Mobile Location Centre, in the service running fix of evolution
The heart) to source base station send E-CID measurement initial request message (E-CID MEASUREMENT INITIATION REQUEST)；
2) after source base station receives E-CID measurement initial request messages, measurement configuration parameter is preserved to UE contexts；
3) source base station issues RRC to UE according to parameter request and matches somebody with somebody request message again
(RRCConnectionReconfiguration) E-CID measurement configurations, are contained in the message；
4) the backward source base station reply RRC of UE configurations completion matches somebody with somebody completion message again
(RRCConnectionReconfigurationComplete)；
5) source base station receives RRC again with after completion message, replys E-CID to E-SMLC and successfully measures initial request response
Message (E-CID MEASUREMENT INITIATION RESPONSE)；
6) UE measures according to the measurement of base station configuration, then to source base station reporting measurement reports
(MeasurementReport)；
7) switch decision that source base station is made according to measurement report and algorithm is needs to initiate X2 switchings, then to purpose base
Stand and send X2 handover requests message (X2AP HANDOVER REQUEST), UE is carried out comprising what source base station received in the message
The configuration parameter of E-CID measurements；
8) after target BS receives X2AP handover request message, if receiving this handover request, preserve in message
E-CID measurements are configured in newly-generated UE contexts；
9) specific X2 switching flows are continued, X2 switching flow details is not described；
10) UE is switched to after the completion of purpose base station, can be sent RRC to purpose base station and be matched somebody with somebody completion message again
(RRCConnectionReconfigurationComplete)；
11) RRC reallocation messages (RRCConnectionReconfiguration) are initiated in purpose base station to UE, are wrapped in message
The E-CID measurement configuration parameters being stored in UE contexts are contained；
12) the backward purpose base station of UE measurements configuration completion reports RRC to match somebody with somebody completion message again
(RRCConnectionReconfigurationComplete)；
13) UE according to measurement configuration requirement to purpose base station reporting measurement reports (MeasurementReport)；
14) after base station receives UE measurement report, E-CID measurement reports (E-CID MEASUREMENT are sent to E-SMLC
REPORT)；
If 15) the 6) step occur before the 3) step, the 3) and the 4) step need not perform, the mesh in the 12) step
Base station receive RRC again match somebody with somebody completion message (RRCConnectionReconfigurationComplete) after, supplement to E-
SMLC replys E-CID and successfully measures initial request response message (E-CID MEASUREMENT INITIATION
RESPONSE)。
In the step 7), the UE for have received E-CID measurement initial requests, if the UE will be switched to other bases
Stand, then E-CID measurement configuration informations are carried in handover request message, so after UE is switched to target BS, E-SMLC
E-CID measurement configurations need not be issued to UE again, so reduce signal resource.
In the step 8), it have received after handover request message, it is necessary to preserve E-CID measurement reports to UE contexts.
In the step 11), after the completion of UE is switched to target BS, if the UE needs to initiate E-CID measurement configurations,
E-CID measurement configurations then are issued to UE, and need to reply E-CID initial measurements to E-SMLC according to concrete scene and respond to disappear
Cease, had the advantage that in this step, it is not necessary to when E-SMLC issues E-CID measurement configurations, it is only necessary to which handover request is disappeared
The measurement configuration distributing carried in breath is to UE.
In the step 14), for the UE of switching completion, if having received the E-CID measurement reports that UE is reported, need
Pass through E-SMLC.
The UE switched for needs, due to need not be interacted with E-SMLC, so just reduce positioning time delay and signaling
Resource.
The 7) in step, if the switch decision that source base station is made is S1 switchings, then until X2 switching flows in the 9) step
All it is substituted for S1 switching flows.
The technological merit of the present invention：
1) in step 7) as described above, the advantage is that, the UE for have received E-CID measurement initial requests, such as
The fruit UE will be switched to other base stations, then E-CID measurement configuration informations are carried in handover request message, so when UE is cut
After changing to target BS, E-SMLC need not issue E-CID measurement configurations to UE again, so reduce signal resource；
2) it in step 8) as described above, the advantage is that, have received after handover request message, it is necessary to preserve E-CID
Measurement report is to UE contexts；
3) in step 11) as described above, it is characterised in that after the completion of UE is switched to target BS, if the UE
Need to initiate E-CID measurement configurations, then issue E-CID measurement configurations to UE, and need to be returned to E-SMLC according to concrete scene
E-CID initial measurement response messages are answered, are had the advantage that in this step, it is not necessary to match somebody with somebody when E-SMLC issues E-CID measurements
Put, it is only necessary to by the measurement configuration distributing carried in handover request message to UE；
4) in step 14) as described above, it is characterised in that the UE completed for switching, reported if having received UE
E-CID measurement reports, then need to pass through E-SMLC；
Compared with prior art, the UE that the present invention switches for needs, due to need not be interacted with E-SMLC, so
Time delay and signal resource can be positioned to reduce.
Brief description of the drawings
Fig. 1 is the situation that the present invention is applied to carry out the UE for carrying out X2 switchings E-CID measurement and positionings.
Fig. 2 is the situation that the present invention is applied to carry out the UE for carrying out S1 switchings E-CID measurement and positionings.
Embodiment
The embodiment of the present invention is elaborated with reference to the accompanying drawings：
Present invention can apply to two as shown in Figure 1 and Figure 2 kind scene, now it is respectively described below：
The UE to carrying out X2 switchings of Fig. 1 descriptions carries out the flow of E-CID measurement and positionings, specific as follows：
1) E-SMLC sends E-CID measurement initial request messages (E-CID MEASUREMENT to source base station
INITIATION REQUEST)；
2) after source base station receives E-CID measurement initial request messages, measurement configuration parameter is preserved to UE contexts；
3) source base station combines related E-CID Measurement Algorithms, and issue RRC to UE matches somebody with somebody request message again
(RRCConnectionReconfiguration) E-CID measurement configurations, are contained in the message；
4) source base station receive RRC again match somebody with somebody completion message (RRCConnectionReconfigurationComplete) after,
Show that E-CID measurement configurations are completed；
5) source base station replys E-CID to E-SMLC and successfully measures initial request response message (E-CID MEASUREMENT
INITIATION RESPONSE)；
6) source base station receives measurement report (MeasurementReport), and switch decision is to need to be switched to mesh by X2
Mark base station；
7) source base station sends handover request message (X2AP HANDOVER REQUEST) to target BS, and in the message
Carry E-CID measurement configuration informations；
8) after purpose base station receives handover request message, if this handover request of access, obtains E-CID from message
Measurement configuration information, it is stored in newly-built UE contexts；
9) X2AP switching flows are continued；
10) purpose base station receives RRC and matches somebody with somebody completion message (RRCConnectionReconfigurationComplete) again,
Show that switching is completed；
11) purpose base station obtains E-CID measurement configuration informations from UE contexts, and combines E-CID Measurement Algorithms, passes through
RRC reallocation messages (RRCConnectionReconfiguration) are given configuration is measured to UE；
12) after the completion of UE carries out E-CID measurement configurations, the RRC reallocation messages for configuring and completing are replied to purpose base station
(RRCConnectionReconfigurationComplete)；
13) purpose base station receives RRC again with after completion message, and E-CID initial measurement response messages (E- is replied to E-SMLC
CID MEASUREMENT INITIATION RESPONSE)；
14) purpose base station receives the E-CID measurement reports (MeasurementReport) that UE is reported；
15) E-CID measurement results are reported E- by purpose base station by message (E-CID MEASUREMENT REPORT)
SMLC；
In this flow, 3), 4), 5) step is optional step, i.e., if 6) measurement report in step prior in this three step
Base station is offered, then this three step need not perform, and in this case, 13) step has to carry out optional step, and otherwise 13) step is not
Need to perform.
The UE to carrying out S1 switchings of Fig. 2 descriptions carries out the flow of E-CID measurement and positionings, specific as follows：
1) E-SMLC sends E-CID to MME by SLs interfaces and measures initial request message (E-CID MEASUREMENT
INITIATION REQUEST)；
2) MME forwards E-CID to measure initial request message by S1 interfaces to source base station；
3) after source base station receives E-CID measurement initial request messages, measurement configuration parameter is preserved to UE contexts；
4) source base station combination E-CID Measurement Algorithms, RRC reallocation messages are passed through
(RRCConnectionReconfiguration) measurement configuration is given to UE；
5) source base station receive RRC again match somebody with somebody completion message (RRCConnectionReconfigurationComplete) after,
Show that E-CID measurement configurations are completed；
6) source base station replys E-CID to MME by S1 interfaces and measures initial communication message (E-CID MEASUREMENT
INITIATION RESPONSE)；
7) MME replys E-CID to E-SMLC by SLs interfaces and measures initial communication message；
8) source base station receives measurement report (MeasurementReport), and switch decision is to need to be switched to mesh by S1
Mark base station；
9) source base station sends handoff requirement message (S1AP HANDOVER REQUIRED) to MME, and carries in the message
E-CID measurement configuration informations；
10) after MME receives handoff requirement message (S1AP HANDOVER REQUIRED), sending switching to purpose base station please
Message (S1AP HANDOVER REQUEST) is sought, E-CID measurement configuration informations are carried in message；
11) after purpose base station receives handover request message, if this handover request of access, obtains E- from message
CID measurement configuration informations, it is stored in newly-built UE contexts；
12) S1AP switching flows are continued；
13) purpose base station receives the RRC reallocation messages that instruction switching is completed
(RRCConnectionReconfigurationComplete) after, show that S1 switchings are completed；
14) purpose base station obtains E-CID measurement configuration informations from UE contexts, and combines E-CID Measurement Algorithms, passes through
RRC reallocation messages (RRCConnectionReconfiguration) are given configuration is measured to UE；
15) purpose base station receive E-CID measurement configuration complete RRC match somebody with somebody completion message again
(RRCConnectionReconfigurationComplete)；
16) purpose base station receives RRC again with after completion message, replys E-CID to MME by S1 interfaces and measures initial communication
Message (E-CID MEASUREMENT INITIATION RESPONSE)；
17) MME replys E-CID to E-SMLC by SLs interfaces and measures initial communication message (E-CID MEASUREMENT
INITIATION RESPONSE)；
18) purpose base station receives the E-CID measurement reports (MeasurementReport) that UE is reported；
19) purpose base station will be sent E-CID measurement results (E-CID MEASUREMENT REPORT) by S1 interfaces
To MME；
20) E-CID measurement results (E-CID MEASUREMENT REPORT) are transmitted to E- by MME by SLs interfaces
SMLC；
In this flow, 4), 5), 6), 7) step is optional step, i.e., if 8) measurement report in step prior to this four step
Reporting base station, then this four step need not perform, and in this case, 16), 17) step has to carry out optional step, and otherwise
16), 17) step need not perform.
Claims (6)
1. a kind of method of reduction E-CID positioning time delays and signaling consumption, it is characterised in that comprise the following steps：
A) Serving Mobile Location Center E-SMLC-Evolved Serving Mobile Location Centre of evolution to
Source base station sends E-CID measurements initial request message-E-CID MEASUREMENT INITIATION REQUEST；
B) after source base station receives E-CID measurement initial request messages, measurement configuration parameter is preserved to UE contexts；
C) source base station according to parameter request to UE issue RRC again with request message-
RRCConnectionReconfiguration, RRC match somebody with somebody again contains E-CID measurement configurations in request message；
D) UE configurations complete backward source base station reply RRC again with completion message-
RRCConnectionReconfigurationComplete；
E) source base station receives RRC again with after completion message, successfully measures initial request response to E-SMLC replies E-CID and disappears
Breath-E-CID MEASUREMENT INITIATION RESPONSE；
F) UE according to the measurement of base station configuration measure, then to source base station reporting measurement reports-
MeasurementReport；
G) switch decision that source base station is made according to measurement report and algorithm is then sent out to need to initiate X2 switchings to target BS
Send in X2 handover requests message-X2AP HANDOVER REQUEST, X2 handover request message comprising source base station receive to UE
Carry out the configuration parameter of E-CID measurements；
H) after target BS receives X2AP handover request message, if receiving this handover request, the E-CID in message is preserved
Measurement is configured in newly-generated UE contexts,
I) specific X2 switching flows are continued；
J) UE is switched to after the completion of target BS, and send RRC to target BS matches somebody with somebody completion message again ---
RRCConnectionReconfigurationComplete；
K) target BS initiates RRC reallocation messages-RRCConnectionReconfiguration to UE, and guarantor is included in message
The E-CID measurement configuration parameters in UE contexts be present；
L) UE measurements configuration complete backward target BS report RRC again with completion message-
RRCConnectionReconfigurationComplete；
M) UE according to measurement configuration requirement to target BS reporting measurement reports-MeasurementReport；
N) after base station receives UE measurement report, E-CID measurement reports-E-CID MEASUREMENT are sent to E-SMLC
REPORT；
If the f) step occur before the c) step, the c) and the d) step need not perform, target BS is received in the l) step
After matching somebody with somebody completion message-RRCConnectionReconfigurationComplete again to RRC, supplement to E-SMLC and reply E-
CID successfully measures initial request response message-E-CID MEASUREMENT INITIATION RESPONSE；
In described the g) step, if the switch decision that source base station is made is S1 switchings, then until X2 switchings stream in the i-th) step
Journey is all substituted for S1 switching flows.
2. the method for a kind of reduction E-CID positioning time delays according to claim 1 and signaling consumption, it is characterised in that：Institute
Stating in step g), the UE for have received E-CID measurement initial requests, if the UE will be switched to other base stations, cutting
Change in request message and carry E-CID measurement configuration informations, so after UE is switched to target BS, E-SMLC need not again to
UE issues E-CID measurement configurations, so reduces signal resource.
3. the method for a kind of reduction E-CID positioning time delays according to claim 1 and signaling consumption, it is characterised in that：Institute
State in step h), have received after handover request message, it is necessary to preserve E-CID measurement reports to UE contexts.
4. the method for a kind of reduction E-CID positioning time delays according to claim 1 and signaling consumption, it is characterised in that:Institute
State in step k), after the completion of UE is switched to target BS, if the UE needs to initiate E-CID measurement configurations, issued to UE
E-CID measurement configurations, and need to reply E-CID initial measurement response messages to E-SMLC according to concrete scene, in this step
Have the advantage that, it is not necessary to when E-SMLC issues E-CID measurement configurations, it is only necessary to will carry in handover request message
Measurement configuration distributing to UE.
5. the method for a kind of reduction E-CID positioning time delays according to claim 1 and signaling consumption, it is characterised in that：Institute
State in step n), the UE completed for switching, if having received the E-CID measurement reports that UE is reported, need to pass through E-
SMLC。
6. the method for a kind of reduction E-CID positioning time delays according to claim 1 and signaling consumption, it is characterised in that：It is right
In the UE that needs switch, due to need not be interacted with E-SMLC, positioning time delay and signal resource are so just reduced.
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| CN106879001A (en) * | 2015-12-10 | 2017-06-20 | 中兴通讯股份有限公司 | The processing method and processing device of flow |
| CN110505686B (en) * | 2016-03-31 | 2020-12-25 | 展讯通信（上海）有限公司 | Mobile terminal positioning method and device |
| US10200967B2 (en) | 2017-01-06 | 2019-02-05 | Qualcomm Incorporated | Systems and methods for limiting a message size for a positioning protocol |
| CN110351786B (en) * | 2018-04-03 | 2022-06-14 | 维沃移动通信有限公司 | Configuration method, terminal and network side equipment |
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| CN102056221A (en) * | 2009-11-03 | 2011-05-11 | 大唐移动通信设备有限公司 | Positioning processing method and equipment |
| CN102892161A (en) * | 2011-07-20 | 2013-01-23 | 华为技术有限公司 | Method and device for positioning user equipment in switching process |
| US8738041B2 (en) * | 2010-08-16 | 2014-05-27 | Telefonaktiebolaget L M Ericsson (Publ) | Nodes and methods for enhancing positioning |
| US8761806B2 (en) * | 2009-10-29 | 2014-06-24 | China Academy Of Telecommunications Technology | Method, system and device for implementing positioning measurement |
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| CN101931863A (en) * | 2009-06-19 | 2010-12-29 | 华为技术有限公司 | Method, device and system for locating user equipment |
| US8761806B2 (en) * | 2009-10-29 | 2014-06-24 | China Academy Of Telecommunications Technology | Method, system and device for implementing positioning measurement |
| CN102056221A (en) * | 2009-11-03 | 2011-05-11 | 大唐移动通信设备有限公司 | Positioning processing method and equipment |
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Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
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Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |
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