CN109246820A - A method of supporting RAN initial Page - Google Patents
A method of supporting RAN initial Page Download PDFInfo
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- CN109246820A CN109246820A CN201710454144.8A CN201710454144A CN109246820A CN 109246820 A CN109246820 A CN 109246820A CN 201710454144 A CN201710454144 A CN 201710454144A CN 109246820 A CN109246820 A CN 109246820A
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- Prior art keywords
- message
- mme
- base station
- anchor base
- sent
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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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of method for supporting RAN initial Page, comprising: receives the message comprising UE ID that mobility management entity MME is sent, the UE ID is to establish and enter the user UE of light connection status actively to initiate initial connection to distribute；The UE ID is obtained from the message；The paging occasion for initiating RAN initial page message to the UE is determined according to the UE ID, and RAN initial page message is initiated to the UE according to the paging occasion.The present invention is by the UE distribution UE ID that MME is into light connection status, so that anchor base station determines the paging occasion for initiating RAN initial page message to UE according to UE ID, it is ensured that the accuracy of paging occasion improves the success rate that paging message is properly received by UE.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of methods for supporting RAN initial Page.
Background technique
In LTE technological evolvement, technology of Internet of things, MTC technology is rapidly developed, and following network deployment faces highly dense net
Network node deployment, the situation of magnanimity terminal connection, so quantity is connected in face of so huge terminal, for the signaling of network side
Load is a challenge, such as the signaling of RRC interface, S1 interface signaling.So how to reduce the signaling traffic load eated dishes without rice or wine with network side
It is the following problem for promoting network performance and needing to solve.
A kind of new UE connection status is proposed in R14, which is in RRC_IDLE and RRC_CONNECTED shape
Between state, the signaling traffic load eated dishes without rice or wine with network side can be effectively reduced.It is light connection status referred to here as this new RRC state
(RRC_LIGHT_CONNECTED state).Light connection status has following features: S1 connection keeps connection and state of activation, purpose
Be can allow the mobility of UE and state convert for CN be it is transparent, the signaling that can thus reduce on S1 interface is negative
Lotus；The base station eNB of the context of " Light Connection " user UE is kept to be known as anchor base station anchor eNB；"Light
The context of Connection " UE is stored in the side " anchor eNB " and the side UE.It is logical in the UE of Light Connection state
It crosses " anchor eNB " that Resume ID identifies a UE and it.
UE enters " Light Connection " state, by RRC dedicated signaling, i.e., is ordered by RRC connection release message
UE is enabled to enter " Light Connection " state.Include following information in RRCConnectionRelease message: (1) using
Enter the instruction of " Light Connection " state in instruction UE；(2) paging area configuration information；(3)DRX cycle.
From the point of view of network side (mobility management entity MME), ECM state is ECM-CONNECTED；From UE angle
It sees, ECM state is ECM-CONNECTED/RRC-CONNECTED；Reuse existing RRC resume mechanism and message recovery
UE RRC connection, that is, UE are restored to RRC_ from light connection state by RRC Resume process
CONNECTED state.
For " Light Connection " operation, the paging more initial than traditional MME of RAN initial paging
Process can obtain the effect that better signaling reduces and time delay reduces, so can be " Light in terms of RAN2 angle
Connection " operation introduces the initial paging of RAN.The initial paging of MME is given separately below and RAN is initial
Paging [R2-163930]:
The calculating of R13PO/PF will be used for RAN-initiated paging and calculate PO/PF.What Paging was used in calculating
UE ID uses " IMSI mod x " design method.DRX cycle for RAN-initiated paging is RAN-
Tri- DRX's of configured paging DRX cycle, UE specific DRX cycle, default DRX cycle
Minimum value.RRC RAN-initiated paging message reuses traditional RRC paging message.Namely paging is in
The same message of UE of the UE and light connection state of Idle state, and scheduling information is added with P-RNTI
It disturbs.In RAN initiated paging message, UE is identified using Resume ID.In light connection state
UE when receiving paging message, while being identified using Resume ID and CN paging ID (i.e.S-TMSI or IMSI)
The paging message of oneself.When the received paging message of UE in light connection state uses CN paging ID
(this situation means that eNB does not have the context of UE), then UE enters idle mode, and instruction NAS is about (the release of RRC Connection Release
Reason " other "), while indicating the reception of CN paging, and initialize a new RRC connection establishment process.It is sought in calculating
It needs to use UE/ID information when exhaling opportunity, in the prior art, UE ID is that MME is calculated, and disappears in the paging of S1 interface
It is sent to eNB's in breath.But the UE, anchor subsequently into light connection state are actively initiated the connection for UE
It is a problem to be solved that how eNB, which initiates the initial paging message of RAN,.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of method for supporting RAN initial Page, comprising:
The message comprising UE ID that mobility management entity MME is sent is received, the UE ID is actively to initiate initial connection
Establish and enter the user UE distribution of light connection status；
The UE ID is obtained from the message；It is determined according to the UE ID to the UE and initiates RAN initial page message
Paging occasion, and RAN initial page message is initiated to the UE according to the paging occasion.
One ground of progress, before the message comprising UE ID that the reception mobility management entity MME is sent, further includes:
The ability information gently connected is supported to determine whether to configure UE for the UE according to anchor base station and the UE by the MME or anchor base station
ID。
One ground of progress, it is described to support the ability information gently connected to determine whether to match for the UE according to anchor base station and the UE
Set UE ID, comprising: if the anchor base station and the UE support the ability gently connected, it is determined that need for UE configuration
UE ID。
One ground of progress, by the MME according to anchor base station and the UE support the ability information gently connected to determine whether for
Before the UE configuration UE ID, further includes: anchor base station itself, which is sent, to the MME supports the ability information gently connected, so that
MME supports the ability information gently connected to determine the need for and configures UE ID for the UE according to anchor base station and the UE, and is needing
UE ID is determined when configuring UE ID and sends the message comprising the UE ID to anchor base station.
One ground of progress, it is described to support that the ability information gently connected includes: to send out to MME to MME transmission anchor base station itself
Initial UE message is sent, the initial UE message carries the anchor base station itself and supports the ability information gently connected.
One ground of progress, the message comprising UE ID for receiving mobility management entity MME transmission includes: described in reception
The initial context message for the UE that MME is sent establishes request message, and the initial context of the UE is established in request message
Include the UE ID.
One ground of progress, it is described by anchor base station according to anchor base station and the UE support the ability information gently connected to determine whether for
The UE configures UE ID
The initial UE message of the UE is sent to the MME；
It receives the UE initial context that MME is sent and establishes message；
It is established in message from the UE initial context and obtains the ability information that the UE support gently connects；
The ability information gently connected is supported to determine the need for distributing UE ID for the UE according to itself and with the UE.
One ground of progress, before the message comprising UE ID that the reception mobility management entity MME is sent, further includes:
UE ID configuration instruction is sent to the MME when needing to configure UE ID for the UE, so that the MME is receiving UE ID
It is that the UE determines UE ID after configuration instruction.
Progress one ground, it is described to the MME send UE ID configuration instruction include: by UE ID configuration instruction carry at the beginning of UE
In beginning context response information, it is sent to MME；Alternatively, sending the first S1 message to the MME, wrapped in the first S1 message
Include UE ID configuration instruction.
One ground of progress, the message comprising UE ID for receiving mobility management entity MME and sending, comprising: receive MME
The downlink NAS of transmission transmits message, includes the message of UE ID in the downlink NAS transmission message；Or receive MME is sent the
Two S1 message include the message of UE ID in the 2nd S1 message.
One ground of progress, it is described after obtaining the UE ID in the message, further includes: the UE ID is added to institute
It states in UE context and saves.
The application by MME be into light connection status UE distribute UE ID so that anchor base station according to UE ID determination to
UE initiates the paging occasion of RAN initial page message, ensure that the accuracy of paging occasion, and improve paging message by UE
The success rate being properly received.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the method flow block diagram for the support RAN initial Page that one embodiment of the invention proposes；
Fig. 2 is the method flow diagram for the support RAN initial Page that the embodiment of the present invention one proposes；
Fig. 3 is the method flow diagram for the support RAN initial Page that the embodiment of the present invention two proposes.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments；It should be noted that in the absence of conflict, in the application
Embodiment and embodiment in feature can be combined with each other.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
One embodiment of the present of invention proposes a kind of method for supporting RAN initial Page, referring to Figure 1, comprising:
The message comprising UE ID that mobility management entity MME is sent is received, the UE ID is actively to initiate initial connection
Establish and enter the user UE distribution of light connection status；
The UE ID is obtained from the message；It is determined according to the UE ID to the UE and initiates RAN initial page message
Paging occasion, and RAN initial page message is initiated to the UE according to the paging occasion.
In one alternate embodiment, before receiving the message comprising UE ID that mobility management entity MME is sent,
Further include: support the ability information gently connected to determine whether to configure UE ID for UE according to anchor base station and UE by MME or anchor base station.
In one alternate embodiment, the ability information gently connected is supported to determine whether for UE configuration according to anchor base station and UE
If UE ID includes: that anchor base station and UE support the ability gently connected, it is determined that need to configure UE ID for UE.
In one alternate embodiment, the ability information gently connected is being supported to determine whether according to anchor base station and UE by MME
Before configuring UE ID for UE, further includes: send anchor base station itself to MME and support the ability information that gently connects so that MME according to
Anchor base station and UE support the ability information gently connected to determine the need for configuring UE ID for UE, and true when needing to configure UE ID
Determine UE ID and sends the message comprising UE ID to anchor base station.
In one alternate embodiment, anchor base station itself is sent to MME support that the ability information gently connected includes: to MME
Initial UE message is sent, initial UE message carries anchor base station itself and supports the ability information gently connected.Correspondingly, receiving MME hair
The initial context message of the UE sent establishes request message, and the initial context of UE is established in request message comprising UE ID.
In one alternate embodiment, the ability information gently connected is supported to determine whether according to anchor base station and UE by anchor base station
Configuring UE ID for UE includes: the initial UE message that UE is sent to MME；It receives the UE initial context that MME is sent and establishes message；
The ability information that obtains UE support gently connect is established in message from UE initial context；It is gently connected according to itself and with UE support
Ability information determines the need for distributing UE ID for UE.
In one alternate embodiment, before receiving the message comprising UE ID that mobility management entity MME is sent,
Further include: needing for UE configure UE ID when to MME send UE ID configuration instruction so that MME receive UE ID configuration refer to
UE ID is determined after showing for UE.Wherein, sending UE ID configuration instruction to MME includes: that the carrying of UE ID configuration instruction is initial in UE
In context response information, it is sent to MME；It include that UE ID is configured in the first S1 message alternatively, sending the first S1 message to MME
Instruction.
In one alternate embodiment, the message comprising UE ID that mobility management entity MME is sent is received, comprising: connect
It receives the downlink NAS that MME is sent and transmits message, downlink NAS transmits the message in message comprising UE ID；Or receive MME is sent the
Two S1 message include the message of UE ID in the 2nd S1 message.
In one alternate embodiment, after obtaining UE ID in message, further includes: being added UE ID to UE context
In and save.
Embodiment one
In the present embodiment, UE is actively initiated the connection, subsequently into light connection status；By MME according to anchor base station and UE branch
The ability information gently connected is held to determine whether to configure UE ID for UE；Anchor base station is intended to initiate RAN initial Page to this UE.This implementation
The method flow for the support RAN initial Page that example proposes is referring to FIG. 2, include:
PRACH process and RRC connection establishment process are carried out between UE and anchor base station.The above process can actively be initiated by UE
Connection, subsequently into light connection status.
Anchor base station sends initial UE message to MME, wherein carrying anchor base station supports light concatenation ability instruction, anchor base station is whereby
The ability information gently connected is supported to tell MME oneself.
MME obtains UE from UE context therein according to the information for the NAS acquisition of information UE for including in initial UE message
It supports light concatenation ability information, anchor base station is obtained from the anchor base station ability instruction carried in initial UE message and supports light connection energy
Force information；UE and anchor base station are supported gently to connect in the present embodiment, and MME is that UE determines the UE ID for being used for RAN initial Page；MME
It sends initial context and establishes request message to anchor base station, wherein carrying the UE ID of above-mentioned determination.
Anchor base station establishes in request message acquisition UE ID from initial context, as UE context a part into
Row saves, and replys initial context to MME and establishes response message；During RAN initial Page hereafter, anchor base station is by basis
This UE ID determines the paging occasion that RAN initial page message is initiated to this UE, and UE will also be determined according to this UE ID receives paging
The opportunity of message.
Continue to establish the processes such as RRC connection and GTP tunnel.
In the present embodiment, UE ID is judged and actively distributed by MME；In initial UE message, anchor base station props up oneself
It holds light concatenation ability information and tells MME, MME judges whether to distribute to the UE according to anchor base station ability information and UE ability information
UE ID, for notice to anchor base station, anchor base station can be using the UE ID as on UE in initial context request message if distribution
A part hereafter saves.
Embodiment two
In the present embodiment, actively the ability information gently connected is supported to determine whether for UE according to itself and UE by anchor base station
UE ID is configured, the flow chart of the present embodiment is referring to FIG. 3, generally comprise:
PRACH process and RRC connection establishment process are carried out between UE and anchor base station；This step is the same as example 1.
Anchor base station sends initial UE message to MME, and MME sends initial context and establishes request, and anchor base station is replied on initial
Hereafter establish response message.Anchor base station obtains UE from UE contextual information and supports the ability information gently connected.
Anchor base station supports whether the ability information gently connected configures UE ID really with UE according to itself.In the present embodiment, two
Person supports light concatenation ability, anchor base station to determine the UE ID for needing to request MME distribution to be used for RAN initial Page.
The request message of request MME distribution UE ID instruction is sent to MME；MME replys response message, wherein it is true to carry MME
The fixed UE ID for RAN initial Page.
Anchor base station obtains UE ID from the message that MME is replied, and is saved as a part of UE context.?
Hereafter during RAN initial Page, anchor base station, which will be determined according to this UE ID to this UE, initiates seeking for RAN initial page message
It exhales opportunity, UE will also determine the opportunity for receiving paging message according to this UE ID.
Continue to establish the processes such as RRC connection and GTP tunnel.
In the present embodiment, the UE ID for being judged by anchor base station and MME distribution being requested to be used for RAN initial Page；Anchor base station is logical
It crosses after initial context message gets UE ability information, according to the ability information of the ability information of oneself and UE, determines request
MME is that the UE distributes UE ID.The instruction of request UE ID configuration can be placed in initial context response message, or be placed on one
The new S1 message of item.MME issues UE ID configuration information, can be placed in downlink NAS transmission message or a new S1 disappears
Breath.
By the various embodiments described above as can be seen that it is the UE distribution into light connection status for RAN that the present invention, which passes through MME,
The UE ID of initial Page guarantees so that anchor base station determines the paging occasion for initiating RAN initial page message to UE according to UE ID
The accuracy of paging occasion, and improve the success rate that paging message is properly received by UE.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (11)
1. a kind of method for supporting RAN initial Page characterized by comprising
The message comprising UE ID that mobility management entity MME is sent is received, the UE ID is actively to initiate initial connection
Establish and enter the user UE distribution of light connection status；
The UE ID is obtained from the message；It is determined according to the UE ID to the UE and initiates RAN initial page message
Paging occasion, and RAN initial page message is initiated to the UE according to the paging occasion.
2. the method according to claim 1, wherein the packet sent in the reception mobility management entity MME
Before the message of the ID containing UE, further includes:
The ability information gently connected is supported to determine whether to match for the UE according to anchor base station and the UE by the MME or anchor base station
Set UE ID.
3. according to the method described in claim 2, it is characterized in that, described support the energy gently connected according to anchor base station and the UE
Force information determines whether to configure UE ID for the UE, comprising:
If the anchor base station and the UE support the ability gently connected, it is determined that need to configure UE ID for the UE.
4. according to the method in claim 2 or 3, which is characterized in that supported by the MME according to anchor base station and the UE
The ability information gently connected determines whether for before UE configuration UE ID, further includes:
Anchor base station itself is sent to the MME and supports the ability information gently connected, so that MME is supported according to anchor base station and the UE
The ability information gently connected determines the need for configuring UE ID for the UE, and determine when needing to configure UE ID UEID and to
Anchor base station sends the message comprising the UE ID.
5. according to the method described in claim 4, it is characterized in that, described gently connect to MME transmission anchor base station itself support
The ability information connect includes:
Initial UE message is sent to MME, the initial UE message carries the anchor base station itself and supports the ability information gently connected.
6. according to the method described in claim 5, it is characterized in that, the reception mobility management entity MME transmission includes
The message of UE ID includes:
The initial context message for receiving the UE that the MME is sent establishes request message, and the initial context of the UE is built
It include the UE ID in vertical request message.
7. according to the method in claim 2 or 3, which is characterized in that it is described by anchor base station according to anchor base station and the UE branch
It holds the ability information gently connected and determines whether that configuring UE ID for the UE includes:
The initial UE message of the UE is sent to the MME；
It receives the UE initial context that MME is sent and establishes message；
It is established in message from the UE initial context and obtains the ability information that the UE support gently connects；
The ability information gently connected is supported to determine the need for distributing UE ID for the UE according to itself and with the UE.
8. the method according to the description of claim 7 is characterized in that the packet sent in the reception mobility management entity MME
Before the message of the ID containing UE, further includes:
UE ID configuration instruction is sent to the MME when needing to configure UE ID for the UE, so that the MME is receiving UE
It is that the UE determines UE ID after ID configuration instruction.
9. according to the method described in claim 8, it is characterized in that, described include: to MME transmission UE ID configuration instruction
UE ID configuration instruction is carried in UE initial context response message, MME is sent to；Alternatively,
The first S1 message is sent to the MME, includes UE ID configuration instruction in the first S1 message.
10. method according to any one of claims 1 to 3, which is characterized in that the reception mobility management entity
The message comprising UE ID that MME is sent, comprising:
It receives the downlink NAS that MME is sent and transmits message, include the message of UE ID in the downlink NAS transmission message；Or
The 2nd S1 message that MME is sent is received, includes the message of UE ID in the 2nd S1 message.
11. method according to any one of claims 1 to 3, which is characterized in that it is described obtained from the message it is described
After UE ID, further includes: the UE ID is added into the UE context and is saved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454144.8A CN109246820A (en) | 2017-06-15 | 2017-06-15 | A method of supporting RAN initial Page |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454144.8A CN109246820A (en) | 2017-06-15 | 2017-06-15 | A method of supporting RAN initial Page |
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| CN109246820A true CN109246820A (en) | 2019-01-18 |
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| CN201710454144.8A Pending CN109246820A (en) | 2017-06-15 | 2017-06-15 | A method of supporting RAN initial Page |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670604A (en) * | 2020-04-17 | 2020-09-15 | 北京小米移动软件有限公司 | Information transmission method and device, communication equipment and storage medium |
-
2017
- 2017-06-15 CN CN201710454144.8A patent/CN109246820A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670604A (en) * | 2020-04-17 | 2020-09-15 | 北京小米移动软件有限公司 | Information transmission method and device, communication equipment and storage medium |
| CN111670604B (en) * | 2020-04-17 | 2024-02-06 | 北京小米移动软件有限公司 | Information transmission method and device, communication equipment and storage medium |
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