CN105188138A - LTE (Long Term Evolution) paging method and system - Google Patents

LTE (Long Term Evolution) paging method and system Download PDF

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Publication number
CN105188138A
CN105188138A CN201510532639.9A CN201510532639A CN105188138A CN 105188138 A CN105188138 A CN 105188138A CN 201510532639 A CN201510532639 A CN 201510532639A CN 105188138 A CN105188138 A CN 105188138A
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paged
paging
relative
unique identification
base station
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CN105188138B (en
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覃莲
帅福利
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Comba Network Systems Co Ltd
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Comba Telecom Systems China Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to an LTE (Long Term Evolution) paging method and system. The method comprises the following steps: acquiring a unique identifier of paged UE (User Equipment) relative to a home eNodeB, a unique identifier of the paged UE relative to a gateway, a unique identifier of the paged UE relative to a core network and a paging identifier of the UE in signaling interaction of an S1 interface; establishing one-to-one corresponding first relationships among the unique identifier of the paged UE relative to the home eNodeB, the unique identifier of the paged UE relative to the gateway, the unique identifier of the paged UE relative to the core network, the paging identifier of the paged UE and the home eNodeB to which the paged UE accesses; and sending a paging message to the home eNodeB to which the paged UE accesses according to the first relationships. According to the LTE hierarchical paging method and system, the paging message is directly sent to the home eNodeB to which the UE accesses according to the relationship between the UE and the home eNodeB in first paging, so that sending of the paging message to all home eNodeBs corresponding to a tracking area list is avoided, and the signaling overhead of the system is lowered.

Description

LTE paging method and system
Technical field
The present invention relates to mobile communication technology field, particularly relate to LTE paging method and system.
Background technology
Along with the explosive growth of mobile subscriber's quantity and the two-forty requirement of mobile Internet epoch data service, LTE technology becomes the study hotspot of moving communicating field.At present, what China generally adopted is TD-LTE (Time-DividedLongTermEvolution) standard.Home eNodeB is one of key technology of LTE system.Home eNodeB is called HomeeNodeB (HeNB) in LTE system, be a kind of base station equipment be applied under family room's environment, working environment or other little overlay environments, operator can be made to provide the attractive business of more high data rate, more low cost.Due to mass data business, frequent paging is in the terminal of Idle state and the ICQ signaling brought sharply increases, and how to reduce frequent paging and the call signaling pressure that Home eNodeB brings is become to the large major issue promoting LTE system performance.
Prior art adopts TAList (TrackingAreaList, tracking area list) Radio Paging method.The concept that the location management of tracking area to be LTE system be UE (UserEquipment, user side) is newly set up.It is defined as UE do not need upgrade service move freely region.TA function is realize the management to terminal location, can be divided into paging management and location updating management.UE informs the tracking area of EPC (EvolvedPacketCore, block core evolution) oneself by tracing section updating.When UE is in idle condition, core network can know the tracking area at UE place, simultaneously when the UE being in idle condition needs paged, beep-page message must be sent to whole base stations that the tracking area list of recording in this beep-page message is corresponding.Along with increasing of TAList, the paging pressure of whole network sharply increases.And, even if take corresponding calling optimization strategy in base station, when Home eNodeB and macro station are total to TA, be also difficult to the paging pressure effectively alleviating base station while ensureing paging success rate.
Summary of the invention
Based on this, be necessary, for the large problem of LTE system paging pressure, to provide a kind of LTE paging method and system.
A kind of LTE paging method, comprises the following steps:
In the AP Signalling exchange of S1 interface, obtain paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, the unique identification of paged UE relative to core net and the paging mark of paged UE;
Set up paged UE first to contact one to one relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE;
The base station sending to paged UE to access beep-page message is contacted according to described first.
A kind of LTE paging system, comprising:
First acquisition module, in the Signalling exchange of S1 interface, obtains paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, the unique identification of paged UE relative to core net and the paging mark of paged UE;
First sets up module, first contacts one to one relative to the unique identification of base station, paged UE for setting up paged UE relative to the unique identification of gateway, paged UE relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access;
First sending module, for contacting according to described first the base station sending to paged UE to access beep-page message.
Above-mentioned LTE paging method and system, by obtain paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, paged UE relative to the unique identification of core net, first contact one to one according between the base station that above-mentioned mark is set up and paged UE and paged UE accesses, and according to described first contact, the base station directly sending to paged UE to access beep-page message, avoid all base stations sending to tracking area list in beep-page message corresponding beep-page message, alleviate system signaling expense.
Accompanying drawing explanation
Fig. 1 is the LTE paging method flow chart of the first embodiment;
Fig. 2 is the structural representation of the LTE paging system of the first embodiment.
Embodiment
Below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is described further.
Fig. 1 is the LTE paging method flow chart of an embodiment.As shown in Figure 1, LTE paging method of the present invention can comprise the following steps:
S1, in the Signalling exchange of S1 interface, obtains paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, the unique identification of paged UE relative to core net and the paging mark of paged UE;
The base station of indication of the present invention can be Home eNodeB.Correspondingly, the gateway of indication of the present invention can be femto gateway (HeNBGW).
This step idiographic flow is as follows:
First, the unique identification of paged UE relative to base station is received from base station.In this step, the Home eNodeB of paged UE access is that UE distributes the unique identification of UE relative to Home eNodeB, UE initiates the initialization signaling data of S1 definition to HeNBGW by Home eNodeB of its access, described initialization signaling data comprises UE relative to the unique identification of base station and UE paging mark.
Then, according to the unique identification of paged UE relative to base station, for paged UE distributes the unique identification of paged UE relative to gateway.In this step, signaling convergence module is that this UE distributes the unique identification of UE relative to femto gateway, and changes the unique identification in the initialization signaling of S1, and UE is sent to core net relative to the unique identification of femto gateway.
Finally, the unique identification of paged UE relative to core net is received from core net.In this step, core net is that UE distributes the unique identification of UE relative to core net, and UE is sent to gateway relative to the unique identification of core net.
S2, sets up paged UE and first contacts one to one relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE;
Relative to the unique identification of core net, between the Home eNodeB that UE and described UE accesses, femto gateway, core net, one-to-one relationship can be set up relative to the unique identification of femto gateway, UE relative to the unique identification of Home eNodeB, UE by described UE.
In different signaling process, Home eNodeB can be UE and distributes a new unique identification.Now, the UE of record upgrades relative to the unique identification of Home eNodeB by HeNBGW, and to re-establish relative to the unique identification of core net relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE according to the paged UE after upgrading and first contact one to one between the base station that paged UE and paged UE accesses.
In practical situations both, UE may change relative to the unique identification of Home eNodeB, after UE completes attachment removal, may need to discharge original mark, this mark can be reused by other UE, thus avoid the wasting of resources.
S3, contacts according to described first the base station sending to paged UE to access beep-page message.
In this step, the first current paged number of times of UE according to the paging identified query of UE, wherein, described current paged number of times is the number of times sending beep-page message in timing to paged UE; If the current paged number of times of UE is 1, contact according to described first the base station sending to UE to access beep-page message.
After receiving the beep-page message that core net sends, can identify according to the paging of the paged UE recorded in beep-page message, in the paging acknowledgment table prestored, inquire about the paging number of times of paged UE; Wherein, paging mark and the paging number of times of UE is recorded in described paging acknowledgment table; If do not inquire the paging mark of paged UE in paging acknowledgment table, then represent that current paging is first time paging, the paging of paged UE mark is stored in described paging acknowledgment table, paging number of times corresponding for the paging of paged UE mark is designated as 1, and contacts according to described paging mark and first base station sending to paged UE to access beep-page message; If the paging number of times inquiring the paging mark correspondence of paged UE is 1, then represent that current paging is for second time paging, is updated to 2 by paging number of times.
If first time paging, core net finds corresponding Home eNodeB relative to the unique identification of femto gateway, UE relative to the unique identification of core net relative to the unique identification of Home eNodeB, UE according to UE.Generally, corresponding Home eNodeB can be found according to above-mentioned mark, now, beep-page message be sent to corresponding Home eNodeB, by this Home eNodeB, beep-page message is sent to UE.
In some cases, the paging of UE mark may upgrade, and gateway fails the mark of the UE paging after getting renewal in time, and when receiving the beep-page message of core net to this UE, gateway can not find corresponding base station according to the first contact, then abandon this beep-page message.
The one-to-one relationship of the Home eNodeB that this step is accessed by UE and described UE, femto gateway, core net, directly beep-page message is sent to the Home eNodeB of UE access, avoid and beep-page message is sent to base station corresponding to the tracking area list of recording in beep-page message, thus effectively alleviate network burden.
As mentioned above, there is certain situation, UE cannot receive beep-page message, thus also cannot make response to beep-page message.If core net does not receive the page response of UE, then carry out second time paging.Now, according to the tracking area list of recording in beep-page message, beep-page message is sent to the base station that tracking area list is corresponding, and in a broadcast manner beep-page message is sent to corresponding base station.
In this step, contacting of tracking area and corresponding Home eNodeB is set up by Home eNodeB unique identification.Specifically, Home eNodeB and femto gateway (HeNBGW) set up S1 when being connected, HeNBGW records the corresponding relation of Home eNodeB unique identification and tracking area, then, according to described corresponding relationship, beep-page message is broadcast to Home eNodeB corresponding to tracking area.The specific implementation flow process of this step is as follows:
Signaling convergence module in Home eNodeB and HeNBGW sets up SCTP (StreamControlTransmissionProtocol, SCTP) connect, and S1-SETUP signaling is sent to signaling convergence module, this S1-SETUP signaling carries the tracking area of base station unique identification and the service of this base station, now, the corresponding relation of signaling convergence module record SCTP coupling number, base station unique identification and tracking area.HeNBGW can get the tracking area of all Home eNodeB service.
This step is by secondary paging, and to failing in a paging, the beep-page message sent sends again, effectively improves paging success rate.
In one embodiment, regularly can clear up the record of UE paging mark and paging number of times, such as, clear up the record of UE paging mark and paging number of times every 30s.When UE attachment removal (such as, user shuts down), the record of the first contact can be removed.
Set forth below in conjunction with the embodiment of accompanying drawing to LTE classification paging system of the present invention.
Fig. 2 is the structural representation of the LTE paging system of an embodiment, and described LTE paging system can comprise:
First acquisition module 10, in the Signalling exchange of S1 interface, obtains paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, the unique identification of paged UE relative to core net and the paging mark of UE;
First sets up module 20, sets up paged UE and first contacts one to one relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE;
First sending module 30, for contacting according to described first the base station sending to paged UE to access beep-page message.
Described first sending module 30 can comprise:
Query unit, for after receiving the beep-page message that core net sends, the paging according to the paged UE recorded in beep-page message identifies, and inquires about the paging number of times that the paging mark of paged UE is corresponding in the paging acknowledgment table prestored; Wherein, paging mark and the paging number of times of UE is recorded in described paging acknowledgment table;
First transmitting element, if for the paging mark not inquiring paged UE in paging acknowledgment table, then the paging of paged UE mark is stored in described paging acknowledgment table, paging number of times corresponding for the paging of paged UE mark is designated as 1, and contacts according to described paging mark and first base station sending to paged UE to access beep-page message.
Described first sending module 30 also can comprise:
Second transmitting element, if be 1 for the paging number of times of the paging mark correspondence inquiring paged UE, be then updated to 2 by paging number of times, and according to the tracking area list of recording in beep-page message, beep-page message sent to the base station that tracking area list is corresponding.
In one embodiment, LTE paging system of the present invention also can comprise:
Update module 40, for when described paged UE changes relative to the unique identification of base station, upgrades relative to the unique identification of base station described paged UE;
Second sets up module 50, first contacts one to one relative to the unique identification of base station, paged UE for setting up the paged UE after renewal relative to the unique identification of gateway, paged UE relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access.
Above-mentioned LTE paging system, by setting up the one-to-one relationship of Home eNodeB that UE and described UE accesses, femto gateway, core net, directly beep-page message is sent to the Home eNodeB of UE access, avoid and beep-page message is sent to base station corresponding to the tracking area list of recording in beep-page message, thus effectively alleviate network burden, and by secondary paging, effectively improve paging success rate.
LTE paging system of the present invention and LTE paging method one_to_one corresponding of the present invention, the technical characteristic of setting forth in the embodiment of above-mentioned LTE paging method and beneficial effect thereof are all applicable to, in the embodiment of LTE paging system, hereby state.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a LTE paging method, is characterized in that, comprises the following steps:
In the Signalling exchange of S1 interface, obtain paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, the unique identification of paged UE relative to core net and the paging mark of paged UE;
Set up paged UE first to contact one to one relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE;
The base station sending to paged UE to access beep-page message is contacted according to described first.
2. LTE paging method according to claim 1, it is characterized in that, the paged UE of described acquisition comprises relative to the step of the unique identification of core net and the paging mark of paged UE relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE:
The unique identification of paged UE relative to base station and the paging mark of UE is received from base station;
According to the unique identification of paged UE relative to base station, for paged UE distributes the unique identification of paged UE relative to gateway;
Paged UE is sent to core net relative to the unique identification of gateway;
The unique identification of paged UE relative to core net is received from core net.
3. LTE paging method according to claim 1, is characterized in that, comprises according to the step that described first contacts the base station sending to paged UE to access beep-page message:
After receiving the beep-page message that core net sends, the paging according to the paged UE recorded in beep-page message identifies, and inquires about the paging number of times that the paging mark of paged UE is corresponding in the paging acknowledgment table prestored; Wherein, paging mark and the paging number of times of UE is recorded in described paging acknowledgment table;
If do not inquire the paging mark of paged UE in paging acknowledgment table, then the paging of paged UE mark is stored in described paging acknowledgment table, paging number of times corresponding for the paging of paged UE mark is designated as 1, and contacts according to described paging mark and first base station sending to paged UE to access beep-page message.
4. LTE paging method according to claim 3, is characterized in that, also comprises according to the step that described first contacts the base station sending to paged UE to access beep-page message:
If the paging number of times inquiring the paging mark correspondence of paged UE is 1, then paging number of times is updated to 2, and according to the tracking area list of recording in beep-page message, beep-page message is sent to the base station that tracking area list is corresponding.
5. LTE paging method according to claim 1, is characterized in that, further comprising the steps of:
When described paged UE changes relative to the unique identification of base station, described paged UE is upgraded relative to the unique identification of base station;
To re-establish relative to the unique identification of core net relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE according to the paged UE after upgrading and first contact one to one between the base station that paged UE and paged UE accesses.
6. LTE paging method according to claim 1, is characterized in that, further comprising the steps of:
UE paging mark and paging number of times record and the first record contacted are removed in timing.
7. a LTE paging system, is characterized in that, comprising:
First acquisition module, in the Signalling exchange of S1 interface, obtains paged UE relative to the unique identification of base station, paged UE relative to the unique identification of gateway, the unique identification of paged UE relative to core net and the paging mark of paged UE;
First sets up module, first contacts one to one relative to the unique identification of base station, paged UE for setting up paged UE relative to the unique identification of gateway, paged UE relative between the paging mark of the unique identification of core net, paged UE and the base station of paged UE access;
First sending module, for contacting according to described first the base station sending to paged UE to access beep-page message.
8. LTE paging system according to claim 7, is characterized in that, described first sending module comprises:
Query unit, for after receiving the beep-page message that core net sends, the paging according to the paged UE recorded in beep-page message identifies, and inquires about the paging number of times that the paging mark of paged UE is corresponding in the paging acknowledgment table prestored; Wherein, paging mark and the paging number of times of UE is recorded in described paging acknowledgment table;
First transmitting element, if for the paging mark not inquiring paged UE in paging acknowledgment table, then the paging of paged UE mark is stored in described paging acknowledgment table, paging number of times corresponding for the paging of paged UE mark is designated as 1, and contacts according to described paging mark and first base station sending to paged UE to access beep-page message.
9. LTE paging system according to claim 8, is characterized in that, described first sending module also comprises:
Second transmitting element, if be 1 for the paging number of times of the paging mark correspondence inquiring paged UE, be then updated to 2 by paging number of times, and according to the tracking area list of recording in beep-page message, beep-page message sent to the base station that tracking area list is corresponding.
10. LTE paging system according to claim 7, is characterized in that, also comprise:
Update module, for when described paged UE changes relative to the unique identification of base station, upgrades relative to the unique identification of base station described paged UE;
Second sets up module, first contacts one to one between the base station that paged UE and paged UE accesses for re-establishing relative to the unique identification of core net relative to the unique identification of gateway, paged UE relative to the unique identification of base station, paged UE according to the paged UE after upgrading.
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CN110945927A (en) * 2019-11-15 2020-03-31 北京小米移动软件有限公司 Paging signaling sending method, paging method, information sending method and device
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WO2022262609A1 (en) * 2021-06-16 2022-12-22 华为技术有限公司 Service paging method and system, and related device

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