CN110089168A - A kind of paging method and equipment - Google Patents

A kind of paging method and equipment Download PDF

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Publication number
CN110089168A
CN110089168A CN201680091654.7A CN201680091654A CN110089168A CN 110089168 A CN110089168 A CN 110089168A CN 201680091654 A CN201680091654 A CN 201680091654A CN 110089168 A CN110089168 A CN 110089168A
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China
Prior art keywords
trunking
message
identifier
request message
mme
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CN201680091654.7A
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CN110089168B (en
Inventor
杨皓睿
何岳
金辉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

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

Abstract

The embodiment of the invention provides a kind of paging methods, request message including identification information is sent by wearable device, the identification information includes at least one of mark and trunking mark of the wearable device, so that mobility management entity saves the binding relationship of wearable device and trunking based on the identification information, and when wearable device is in idle state and OOC state simultaneously, it can be paged by trunking to wearable device.

Description

A kind of paging method and equipment Technical field
The present embodiments relate to field of communication technology, in particular to a kind of paging method and equipment.
Background technique
At present, more and more intelligence wearable device (Wearable Device, referred to as WD) in be assembled with user identification module (subscriber identity module, referred to as SIM) card, so as to be directly connected to network, but since the volume of WD is usually smaller, the performance of battery and antenna in WD will receive limitation, it is small to there is battery capacity in current WD, stand-by time is short, and it is only able to achieve single antenna, sends the problem of data need to expend more times and Internet resources.To solve problems, WD can be made to access network as relaying by other high performance terminal devices (such as smart phone, PC etc.), so as to save the power consumption communicated between WD and network, increase the data transmission efficiency of WD.
Summary of the invention
The embodiment of the invention provides a kind of paging method and equipment, being able to solve MME can not be paged while the problem of WD in idle state and OOC state.
First aspect, the embodiment of the invention provides a kind of paging methods, it include: that WD sends the first request message, wherein the first request message includes identification information, identification information includes at least one of first identifier and second identifier, first identifier saves the binding relationship of WD and trunking for mobility management entity MME for identifying trunking, identification information for identifying WD, second identifier based on identification information；WD receives the page notification message that trunking is sent, and wherein page notification message, which is used to indicate MME, will page WD.In this method, WD sends identification information to MME by the trunking, so that MME saves the binding relationship of WD and trunking based on the identification information, and can be paged by trunking to WD according to the binding relationship of preservation.
With reference to first aspect, in the first embodiment, before WD sends the first request message, further includes: WD receives the connection release message that eNB is sent, and wherein connection release message is used to indicate WD and enters idle idle state；WD determines that it is in first state；Wherein, the first request message is also used to that trunking is requested to retain PC5 configuration information, and page notification message is sent using PC5 configuration information；Or WD sends the second request message to trunking, wherein the second request message is for requesting relaying Equipment retains PC5 configuration information, and page notification message is sent using PC5 configuration information.
With reference to first aspect, in the second embodiment, before WD sends the first request message, further includes: WD receives the connection release message that eNB is sent, and wherein connection release message is used to indicate WD and enters idle idle state；When WD determines that it is in the second state, broadcast discovery messages；WD receives the response message of at least one trunking transmission, and trunking is one of at least one trunking；Or the discovery message of at least one trunking transmission is received, trunking is one of at least one trunking；Response message is sent to trunking.
With reference to first aspect or any of the above-described kind of embodiment, in the third embodiment, WD sends the first request message, comprising: WD sends the first request message to trunking, wherein the first request message is PC5 signaling, identification information includes first identifier；Or WD sends the first request message to trunking, wherein the first request message is PC5 signaling, the first request message includes the first Non-Access Stratum NAS signaling, and the first NAS signaling includes identification information, and identification information includes second identifier；Or WD sends the first request message to trunking, wherein the first request message is NAS signaling, identification information includes first identifier and second identifier.
With reference to first aspect or any of the above-described kind of embodiment, in the 4th kind of embodiment, WD is received after the paging message that trunking is sent, further include: WD sends third request message to MME by trunking, wherein third request message includes third NAS signaling, and third NAS signaling is that WD restores Deta bearer for requesting MME.
With reference to first aspect or any of the above-described kind of embodiment, in the 5th kind of embodiment, it further include global unique interim UE mark GUTI of the encryption of WD in first request message or the second request message, the GUTI of encryption is to generate after being encrypted using the GUTI of NAS key pair WD.
With reference to first aspect or any of the above-described kind of embodiment, in the 6th kind of embodiment, first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of international mobile subscriber identity IMSI and WD of GUTI, WD of WD, and second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of trunking, the international mobile subscriber identity IMSI of trunking and trunking.
In the first aspect, first state includes: WD except the signal cover for the cell that trunking is resident, and can not be resident the state of other cells；Alternatively, WD and trunking reside in different cells, and the state that the network property of cell be resident of the resident cell of WD and trunking is different.Second state includes: WD and trunking resides in same cell, and WD detects that the signal quality of current persistent district is lower than preset signal quality threshold, and WD judgement can not be resident other The state of cell；Alternatively, WD and trunking reside in same cell, WD detects that the signal quality of current persistent district is lower than preset signal quality threshold, and WD judgement can not be resident the state of cell identical with the network property of current persistent district.
Second aspect, the embodiment of the invention provides a kind of paging methods, comprising: MME receives instruction message, and wherein instruction message includes first identifier and second identifier, and first identifier is for identifying wearable device WD, and second identifier is for identifying trunking；MME saves the binding relationship of WD and trunking based on first identifier and second identifier；MME is based on binding relationship and sends paging message to trunking, and wherein paging message, which is used to indicate MME, will page WD.In this method, MME receives identification information, and the binding relationship of WD and trunking are saved based on the identification information, so as to be paged by trunking to WD according to the binding relationship of preservation.
In conjunction with second aspect, in the first embodiment, MME receives instruction message, comprising: MME receives the instruction message that eNB is sent；Or MME receives the instruction message that trunking is sent, instruction message includes the first NAS signaling, and the first NAS signaling includes first identifier and second identifier；Or MME receives the instruction message that trunking is sent, instruction message includes first identifier and the second NAS signaling, and the second NAS signaling includes second identifier.
It in the second embodiment, in instruction message further include global unique interim UE mark GUTI of the encryption of WD, the GUTI of encryption is to generate after being encrypted using the GUTI of NAS key pair WD in conjunction with second aspect or any of the above-described kind of embodiment.
In conjunction with second of embodiment of second aspect, in the third embodiment, MME is received after instruction message, further includes: MME obtains the GUTI of WD after decrypting to the GUTI of encryption；MME confirms that the corresponding WD of GUTI and the corresponding WD of first identifier of WD is same WD.
In conjunction with second aspect or any of the above-described kind of embodiment, in the 4th kind of embodiment, first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of international mobile subscriber identity IMSI and WD of GUTI, WD of WD, and second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of trunking, the international mobile subscriber identity IMSI of trunking and trunking.
The third aspect, the embodiment of the invention provides a kind of WD, it include: transmitter, for sending the first request message, wherein the first request message includes identification information, and identification information includes at least one of first identifier and second identifier, and first identifier is for identifying WD, second identifier saves the binding relationship of WD and trunking for mobility management entity MME for identifying trunking, identification information based on identification information；Receiver, for receiving the page notification message of trunking transmission, wherein page notification disappears Breath, which is used to indicate MME, will page WD.
In conjunction with the third aspect, in the first embodiment, WD further includes processor, and receiver is also used to receive the connection release message of eNB transmission, and wherein connection release message is used to indicate WD and enters idle idle state；Processor is used for before transmitter sends the first request message, determines that WD is in first state；Wherein, the first request message is also used to that trunking is requested to retain PC5 configuration information, and page notification message is sent using PC5 configuration information；Or transmitter is also used to send the second request message to trunking, wherein for requesting trunking to retain PC5 configuration information, page notification message is sent the second request message using PC5 configuration information.
In conjunction with the third aspect, in the second embodiment, WD further includes processor, and receiver is also used to receive the connection release message of eNB transmission, and wherein connection release message is used to indicate WD and enters idle idle state；When processor determines that WD is in the second state, transmitter is also used to broadcast discovery messages；Receiver is also used to receive the response message of at least one trunking transmission, and trunking is one of at least one trunking；Or receiver is also used to receive the discovery message of at least one trunking transmission, trunking is one of at least one trunking；Transmitter is also used to send response message to trunking.
In conjunction with the third aspect or any of the above-described kind of embodiment, in the third embodiment, transmitter, for sending the first request message, comprising: transmitter, for sending the first request message to trunking, wherein the first request message is PC5 signaling, and identification information includes first identifier；Or the first request message is sent to trunking, wherein the first request message is PC5 signaling, the first request message includes the first Non-Access Stratum NAS signaling, and the first NAS signaling includes identification information, and identification information includes second identifier；Or the first request message is sent to trunking, wherein the first request message includes first identifier and the second NAS signaling, the second NAS signaling includes identification information, and identification information includes second identifier.
In conjunction with the third aspect or any of the above-described kind of embodiment, in the 4th kind of embodiment, transmitter is also used to send third request message to MME by trunking, and wherein third request message includes third NAS signaling, and third NAS signaling is that WD restores Deta bearer for requesting MME.
It further include global unique interim UE mark GUTI of the encryption of WD in the second request message, the GUTI of encryption is to generate after being encrypted using the GUTI of NAS key pair WD in the 5th kind of embodiment in conjunction with the third aspect or any of the above-described kind of embodiment.
In conjunction with the third aspect or any of the above-described kind of embodiment, in the 6th kind of embodiment, first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of international mobile subscriber identity IMSI and WD of GUTI, WD of WD, and second identifier includes the GUTI of trunking, relaying At least one of international mobile subscriber identity IMSI and the SAE Temporary Mobile Subscriber Identity S-TMSI of trunking of equipment.
In a third aspect, first state includes: WD except the signal cover for the cell that trunking is resident, and can not be resident the state of other cells；Alternatively, WD and trunking reside in different cells, and the state that the network property of cell be resident of the resident cell of WD and trunking is different.Second state includes: WD and trunking resides in same cell, and WD detects that the signal quality of current persistent district is lower than preset signal quality threshold, and WD judgement can not be resident the state of other cells；Alternatively, WD and trunking reside in same cell, WD detects that the signal quality of current persistent district is lower than preset signal quality threshold, and WD judgement can not be resident the state of cell identical with the network property of current persistent district.
Fourth aspect, the embodiment of the invention provides a kind of MME, comprising: receiver, for receiving instruction message, wherein instruction message includes first identifier and second identifier, and first identifier is for identifying wearable device WD, and second identifier is for identifying trunking；Memory, for saving the binding relationship of WD and trunking based on first identifier and second identifier；Transmitter, for sending paging message to trunking based on binding relationship, wherein paging message, which is used to indicate MME, will page WD.
In conjunction with fourth aspect, in the first embodiment, receiver, for receiving instruction message, comprising: receiver, for receiving the instruction message of eNB transmission；Or receive trunking and send instruction message, instruction message includes the first NAS signaling, and the first NAS signaling includes first identifier and second identifier；Or eNB or trunking transmission instruction message are received, instruction message includes first identifier and the second NAS signaling, and the second NAS signaling includes second identifier.
It in the second embodiment, in instruction message further include global unique interim UE mark GUTI of the encryption of WD, the GUTI of encryption is to generate after being encrypted using the GUTI of NAS key pair WD in conjunction with second aspect or any of the above-described kind of embodiment.
In conjunction with second of embodiment of second aspect, in the third embodiment, MME further includes processor, and processor obtains the GUTI of WD after being used for the GUTI decryption to encryption；Confirm that the corresponding WD of GUTI and the corresponding WD of first identifier of WD are same WD.
In conjunction with second aspect or any of the above-described kind of embodiment, in the 4th kind of embodiment, first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of international mobile subscriber identity IMSI and WD of GUTI, WD of WD, and second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of trunking, the international mobile subscriber identity IMSI of trunking and trunking.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, attached drawing needed in the embodiment of the present invention will be briefly described below, apparently, drawings described below is only some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is network scenarios figure relevant with the embodiment of the present invention；
Fig. 2 is a kind of flow chart of paging method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another paging method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another paging method provided in an embodiment of the present invention；
Fig. 5 is the flow chart of another paging method provided in an embodiment of the present invention；
Fig. 6 is the flow chart of another paging method provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of wearable device provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram figure of mobility management entity provided in an embodiment of the present invention.
Specific embodiment
Fig. 1 is network scenarios figure relevant with the embodiment of the present invention.As shown in Figure 1, WD 101 is connected to evolved node B (Evolved Node B, referred to as eNB) 103 by trunking 102.Wherein, trunking 102 can be the terminal devices such as mobile phone or computer.There are equipment to equipment (Device to Device between WD 101 and trunking 102, referred to as D2D) connection, WD 101 is connected by the D2D with trunking 102 and is sent PC5 signaling mutually, finds that message and data packet, the message of these three types respectively correspond three kinds of different protocol stacks.WD 101 needs elder generation and trunking 102 mutually discovery other side before being communicated by trunking 102 and network, obtains the mark of trunking, WD 101 is permitted network is accessed by trunking after, WD 101 again with trunking mutual data transmission.
After the time not carried out data transmission between WD 101 and eNB 103 being more than preset time threshold, in order to save the electricity of wearable device, WD 101 can enter idle (idle) state.WD 101 in idle state and there is no data transmission between eNB103, but the paging message of the broadcast of eNB 103 can be periodically listened for.As mobility management entity (Mobility Management Entity, referred to as MME) 104 when paging the WD 101 in idle state (such as, MME 104 receives gateway transmission, indicate the notification message for thering is downlink data to be sent to WD 101), 104 meeting of MME It first passes through multiple eNB and sends paging message, after WD 101 receives paging message, request message can be sent to MME 104 to restore the communication with network.But the distance between the WD 101 and trunking 102 in idle state are not fixation, when WD 101 is far from trunking 102, may enter OOC state.In the embodiment of the present invention, OOC state includes: WD 101 except the signal cover for the cell that trunking 102 is resident, and can not be resident the state of other cells；Or, WD 101 and trunking 102 reside in different cells, and the different state of the network property for the cell that WD 101 resident cell is resident with trunking 102 (such as the cell that trunking 102 is resident is 4G network, but the cell that WD 101 is resident is 2G/3G network).
When WD 101 is in idle state and OOC state simultaneously, the paging message for receiving the transmission of MME 104 will be unable to.It is related to the scene of public safety at this point for some, when network side can not page equipment (such as: intercom, smartwatch etc.) as WD, is likely to result in more serious consequence.
Fig. 2 is a kind of flow chart of paging method provided in an embodiment of the present invention, as shown in Fig. 2, the paging method includes (in the embodiment of the present invention, unless there are the restricted description of specific timing, otherwise there is no fixed timing between step):
S201: when the time not carried out data transmission between the WD and eNB that have been in OOC state being more than preset time threshold, eNB sends RRC Connection Release message to WD, to indicate that WD enters idle state.
S202:eNB sends RRC Connection Reconfiguration message to trunking.The Layer2ID of WD is carried in the message, to indicate that trunking discharges the data transmission between itself and this corresponding WD of Layer2ID, the Layer2ID of WD is distributed by eNB, for when WD passes through and transmits data between trunking and network, the Layer2ID of WD is all preserved in the data of differentiation trunking and WD, eNB and trunking.
S203: after trunking receives the RRC Connection Reconfiguration message of eNB transmission, context relevant with the Layer2ID is deleted.
S204:WD determines that it is in OOC state.WD determines that the mode for oneself whether being in OOC state has very much, such as, but not limited to: WD scans the frequency point of this cell and adjacent cell, and when finding that no any cell can be resident, i.e. determination lays oneself open to OOC state.
S205:WD is after determining that it is under OOC state, in order to allow MME that can page oneself, when preserving the binding relationship of WD and trunking in MME, WD can send the WD and trunking that message saves in MME to notify MME not delete to MME by trunking Binding relationship (not shown)；But under normal conditions, the binding relationship of WD and trunking is not preserved in MME, WD sends Direct Link Keep Request message to trunking at this time, to request trunking to retain PC5 configuration information (such as, but not limited to: retaining PC5 signaling protocol stack).WD ID is carried in the message, wherein WD ID can be international mobile subscriber identity (the International Mobile Subscriber Identity of WD, referred to as IMSI), MME distributes to unique interim UE mark (the Globally Unique Temporary UE Identity in the whole world of WD, referred to as GUTI), or SAE Temporary Mobile Subscriber Identity (SAE-Temporary Mobile Subscriber Identity, referred to as S-TMSI).
Optionally, in order to increase safety, prevent other equipment from pretending to be WD, WD uses Non-Access Stratum (the non-access stratum of MME distribution, referred to as NAS) after key encrypts the GUTI of the WD, the GUTI of encryption is carried in the Direct Link Keep Request message for being sent to trunking.
S206: after trunking receives the Direct Link Keep Request message of WD transmission, according to 1 pair of 1 data communication between the WD ID release trunking carried in the message and WD, but retain the PC5 configuration information between trunking and WD.
S207: trunking sends Direct Link Keep Response message to WD.
S208: trunking sends RRC Connection Reconfiguration Complete message to eNB.WD ID is carried in the RRC Connection Reconfiguration Complete message and for retaining the PC5Keep Indicator for being found channel to eNB instruction.Optionally, if trunking has received the GUTI of the encryption of WD transmission, the GUTI of encryption is carried and is sent to eNB in RRC Connection Reconfiguration Complete message by trunking.
S209:eNB sends UE Context Modification Indication message to MME.The UE ID of WD ID, PC5Keep Indicator and trunking is carried in the message.Optionally, if eNB has received the GUTI of the encryption of trunking transmission, the GUTI of encryption is carried and is sent to MME in UE Context Modification Indication message by eNB.
S210:MME saves the binding relationship of WD and trunking then according to the WD ID that receives in the context of the WD saved in MME.Optionally, if MME has received the GUTI of encryption, first to the GUTI of encryption be decrypted obtain GUTI, and confirm the corresponding WD of the corresponding WD and WD ID of the GUTI of acquisition be same WD after, then in the context of WD save WD and trunking binding relationship.
S211:MME sends Context Modification Confirm message to eNB.
Optionally, after MME saves the binding relationship of WD and trunking in the context of WD, when WD detects the communication quality of its PC5 link between trunking lower than preset communication quality threshold, WD has found a new trunking.Next, WD and the new trunking execute S408~S411 in S308~S310 or Fig. 4 of the S208~S211 perhaps in Fig. 3, so that MME saves the binding relationship of WD and new trunking in the context of WD.
S212: when MME will page WD, according to the binding relationship of WD and trunking, Prose Paging Notification message is sent to trunking, which belongs to Non-Access Stratum (non-access stratum, referred to as NAS) signaling, and carry WD ID.
NAS signaling is a kind of special type of message, the NAS signaling that trunking and WD are sent, it is encrypted respectively by the NAS key that MME distributes to trunking and WD, only MME can be parsed, the NAS signaling that MME is sent then is encrypted by distributing to the NAS key of purpose equipment, and only purpose equipment can parse.
S213: trunking sends Paging Notification message to WD, and to indicate that MME will page WD, which is PC5 signaling, is sent using PC5 configuration information.
S214:WD is replied message to trunking transmission, this, which is replied message, carries WD GUTI and Service Request message, which is the NAS signaling of WD.
S215: trunking sends UL NAS Transfer message to MME, which is NAS signaling, and carries WD GUTI and Service Request message.
S216:MME restores Deta bearer according to UL NAS Transfer message, for WD.
In the embodiment of the present invention, into idle state WD when determining that it is under OOC state, trunking is requested to retain the PC5 configuration information between trunking and WD, and identification information is sent to MME by the trunking, so that MME saves the binding relationship of WD and trunking based on the identification information, and can be paged by trunking to WD according to the binding relationship of preservation.
Fig. 3 is the flow chart of another paging method provided in an embodiment of the present invention.Step and Fig. 2 in Fig. 3 is roughly the same, and difference is that Fig. 3 provides another mode that identification information is sent to MME:
S308: trunking directly sends Prose Relationship Update Request message to MME, which is NAS signaling, and carries UE ID and WD ID, which is used to indicate the binding relationship that MME saves WD and trunking in the context of WD.In addition, the GUTI of the encryption of WD can also be carried in the message.
S310:MME replys Prose Relationship Update Accept message to trunking.
Fig. 4 is the flow chart of another paging method provided in an embodiment of the present invention.Step in Fig. 4 and Fig. 2 is roughly the same, and difference is that Fig. 4 provides another mode that identification information is sent to MME:
S405:WD is sent in the Direct Link Keep Request message of trunking and also carries TAU Request message, which is the NAS signaling of WD, and carries UE ID.
S408: trunking sends UL NAS Transfer message to MME, which is the NAS signaling of trunking, and carries WD ID and TAU Request message.
S409:MME is received and is parsed TAU Request message according to WD ID after UL NAS Transfer message, and the binding relationship of WD and trunking are then saved in the context of WD.
S410:MME sends DL NAS Transfer message to trunking, carries in the message to the TAU Accept message of WD.
S411: trunking sends a notification message to WD.
Fig. 5 is the flow chart of another paging method provided in an embodiment of the present invention.Step and Fig. 2 in Fig. 5 is roughly the same, and difference is that Fig. 5 provides another mode that identification information is sent to MME:
S508:WD sends the TAU message including WD ID and UE ID to MME by trunking, which is NAS signaling.Any ID can not be carried in the Direct Link Keep Request message in S505 at this time.
After S509:MME receives the TAU message, the binding relationship of WD and trunking are saved in the context of WD.
Fig. 6 is the flow chart of another paging method provided in an embodiment of the present invention, as shown in fig. 6, the paging method includes:
S601: the WD for being in idle state detects the signal quality of current area lower than preset signal quality threshold.
S602:WD determines whether oneself will enter OOC state, it may be assumed that WD judges whether that the cell that can be resident can be found, in other words, if can find the cell that can be resident identical with the network property of this cell.
When the judgment result is no, WD determines that oneself will enter OOC state, and executes S603-S605 or S606-S608:
S603:WD broadcast discovery messages.
S604:WD receives the response message of at least one trunking transmission.
S605:WD selects a trunking from least one trunking.
S606:WD receives the discovery message of at least one trunking transmission.
S607:WD selects a trunking from least one trunking.
S608:WD sends response message to the trunking of selection.
S609:WD establishes D2D with the trunking of selection and connects.
S610:WD enters OOC state.
Next, WD is referred to the correlation step in Fig. 2-5, so that MME saves the binding relationship of WD and the trunking in the context of WD, and WD is paged according to the binding relationship.
Through the embodiment of the present invention, so that the WD in idle state is before entering OOC state, by finding one trunking of procedure selection, and the discovery channel that D2D is connected is established with the trunking, the UE ID of WD ID and the trunking are sent to MME by the trunking, so that MME saves the binding relationship of WD and trunking, and can be paged by trunking to WD according to the binding relationship of preservation.
Fig. 7 is a kind of WD 7 provided in an embodiment of the present invention, the paging method of the side WD shown in Fig. 2-6 can be executed, including transmitter 70 and receiver 71, wherein transmitter 70 is for sending request message, the request message can be the Direct Link Keep Request message in Fig. 2-Fig. 4 or the TAU message in Fig. 5, receiver 71 is used to receive the page notification message of trunking transmission, which can be Paging Notification message in Fig. 2-Fig. 5.
WD can also include processor 72, for determining whether WD is in first state.
Receiver 71 is also used to receive the connection release message of eNB transmission, and wherein connection release message is used to indicate WD and enters idle idle state；Transmitter 70 is also used to when processor 72 determines that WD is in first state, the second request message is sent to trunking, wherein the second request message is for requesting trunking to retain PC5 configuration information, page notification message is sent using PC5 configuration information, and the second request message and the first request message are same or different messages.Or
Receiver 71 is also used to receive the connection release message of eNB transmission, and wherein connection release message is used to indicate WD and enters idle idle state；When processor 72 determines that WD is in the second state, transmitter 70 is also used to broadcast discovery messages；Receiver 71 is also used to receive the response message of at least one trunking transmission, and trunking is one of at least one trunking；Alternatively, receiver 71 is also used to receive the discovery message of at least one trunking transmission, trunking is one of at least one trunking；Transmitter 70 is also used to send response message to trunking.
Wherein, transmitter 70 may include: transmitter 70 for sending the first request message, and for sending the first request message to trunking, wherein the first request message is PC5 signaling, identification information includes first identifier；Or the first request message is sent to trunking, wherein the first request message is PC5 signaling, the first request message include the first Non-Access Stratum NAS signaling, and the first NAS signaling includes identification information, and identification information includes second identifier；Or the first request message is sent to trunking, wherein the first request message includes first identifier and the second NAS signaling, the second NAS signaling includes identification information, and identification information includes second identifier.
Transmitter 70 can be also used for sending third request message to MME by trunking, and wherein third request message includes third NAS signaling, and third NAS signaling is that WD restores Deta bearer for requesting MME.
Fig. 8 is a kind of MME 8 provided in an embodiment of the present invention, the paging method of the side MME shown in Fig. 2-5 can be executed, including transmitter 80, receiver 81 and memory 83, wherein receiver 81 is for receiving instruction message, wherein instruction message includes first identifier and second identifier, first identifier is for identifying wearable device WD, second identifier is for identifying trunking, the instruction message can be the UE Context Modification Indication message in Fig. 2, or the Prose Relationship Update Request message in Fig. 3, or the UL NAS Transfer message in Fig. 4, or the TAU message in Fig. 5；Memory 83 is used to save the binding relationship of WD and trunking based on first identifier and second identifier；Transmitter 80 is used to send paging message to trunking based on binding relationship, and wherein paging message, which is used to indicate MME, will page WD, which can be the Prose Paging Notification message in Fig. 2-5.
Wherein, receiver 81 may include: receiver 81 for receiving instruction message, for receiving the instruction message of eNB transmission；Or receive trunking and send instruction message, instruction message includes the first NAS signaling, and the first NAS signaling includes first identifier and second identifier；Or eNB or trunking transmission instruction message are received, instruction message includes first identifier and the second NAS signaling, and the second NAS signaling includes second identifier.
MME 8 can also include processor 82, and for obtaining the GUTI of WD after the GUTI of encryption decryption, and the corresponding WD of GUTI and the corresponding WD of first identifier of confirmation WD are same WD.

Claims (24)

  1. A kind of paging method characterized by comprising
    Wearable device WD sends the first request message, wherein first request message includes identification information, the identification information includes at least one of first identifier and second identifier, the first identifier is for identifying the WD, the second identifier saves the binding relationship of the WD and the trunking for mobility management entity MME for identifying trunking, the identification information based on the identification information；
    The WD receives the page notification message that the trunking is sent, wherein the page notification message, which is used to indicate the MME, will page the WD.
  2. The method according to claim 1, wherein before the first request message of the WD transmission, further includes:
    The WD receives the connection release message that eNB is sent, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    The WD determines that it is in first state；
    Wherein, first request message is also used to that the trunking is requested to retain PC5 configuration information, and the page notification message is sent using the PC5 configuration information；
    Or
    The WD receives the connection release message that eNB is sent, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    The WD determines that it is in first state；
    The WD sends the second request message to the trunking, wherein for requesting the trunking to retain PC5 configuration information, the page notification message is sent second request message using the PC5 configuration information.
  3. The method according to claim 1, wherein before the first request message of the WD transmission, further includes:
    The WD receives the connection release message that eNB is sent, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    When the WD determines that it is in the second state,
    Broadcast discovery messages；
    The WD receives the response message of at least one trunking transmission, and the trunking is one of at least one described trunking；
    Or
    The WD receives the connection release message that eNB is sent, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    When the WD determines that it is in the second state,
    The discovery message of at least one trunking transmission is received, the trunking is one of at least one described trunking；
    Response message is sent to the trunking.
  4. Method according to claim 1-3, which is characterized in that the WD sends the first request message, comprising:
    The WD sends first request message to the trunking, wherein first request message is PC5 signaling, the identification information includes the first identifier；Or
    The WD sends first request message to the trunking, wherein first request message is PC5 signaling, first request message includes the first Non-Access Stratum NAS signaling, and first NAS signaling includes the identification information, and the identification information includes the second identifier；Or
    The WD sends first request message to the trunking, wherein first request message is NAS signaling, the identification information includes the first identifier and the second identifier.
  5. Method according to claim 1-4, which is characterized in that the WD is received after the paging message that the trunking is sent, further includes:
    The WD sends third request message to the MME by the trunking, wherein the third request message includes third NAS signaling, the third NAS signaling is that the WD restores Deta bearer for requesting the MME.
  6. According to the method for claim 2, it is characterized in that, it further include global unique interim UE mark GUTI of the encryption of the WD in first request message or second request message, the GUTI of the encryption is to generate after being encrypted using the GUTI of WD described in NAS key pair.
  7. Method according to claim 1-6, it is characterized in that, the first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the WD, the international mobile subscriber identity IMSI of the WD and the WD, and the second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the trunking, the international mobile subscriber identity IMSI of the trunking and the trunking.
  8. A kind of paging method characterized by comprising
    Mobility management entity MME receives instruction message, wherein the instruction message includes first identifier And second identifier, the first identifier is for identifying wearable device WD, and the second identifier is for identifying trunking；
    The MME saves the binding relationship of the WD and the trunking based on the first identifier and the second identifier；
    The MME is based on the binding relationship and sends paging message to the trunking, wherein the paging message, which is used to indicate the MME, will page the WD.
  9. According to the method described in claim 8, it is characterized in that, the MME receives instruction message, comprising:
    The MME receives the instruction message that eNB is sent；Or
    The MME receives the instruction message that the trunking is sent, and the instruction message includes the first NAS signaling, and first NAS signaling includes the first identifier and the second identifier；Or
    The MME receives the instruction message that the trunking is sent, and the instruction message includes the first identifier and second NAS signaling, and second NAS signaling includes the second identifier.
  10. Method according to claim 8 or claim 9, which is characterized in that further include global unique interim UE mark GUTI of the encryption of the WD in the instruction message, the GUTI of the encryption is to generate after being encrypted using the GUTI of WD described in NAS key pair.
  11. According to the method described in claim 10, it is characterized in that, after MME reception instruction message, further includes:
    MME obtains the GUTI of the WD after decrypting to the GUTI of the encryption；
    The MME confirms that the corresponding WD of the GUTI of the WD and corresponding WD of the first identifier is same WD.
  12. According to the described in any item methods of claim 8-11, it is characterized in that, the first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the WD, the international mobile subscriber identity IMSI of the WD and the WD, and the second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the trunking, the international mobile subscriber identity IMSI of the trunking and the trunking.
  13. A kind of wearable device WD characterized by comprising
    Transmitter, for sending the first request message, wherein first request message includes identification information, the identification information includes at least one of first identifier and second identifier, the first identifier is for identifying the WD, the second identifier is used for mobility pipe for identifying trunking, the identification information Reason entity MME saves the binding relationship of the WD and the trunking based on the identification information；
    Receiver, the page notification message sent for receiving the trunking, wherein the page notification message, which is used to indicate the MME, will page the WD.
  14. WD according to claim 13, which is characterized in that
    The WD further includes processor, and the receiver is also used to receive the connection release message of eNB transmission, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    The processor is used for before the transmitter sends first request message, determine that the WD is in first state, wherein, first request message is also used to that the trunking is requested to retain PC5 configuration information, and the page notification message is sent using the PC5 configuration information；
    Or
    The WD further includes processor, and the receiver is also used to receive the connection release message of eNB transmission, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    The processor is used for before the transmitter sends first request message, determines that the WD is in first state；
    The transmitter is also used to send the second request message to the trunking, wherein for requesting the trunking to retain PC5 configuration information, the page notification message is sent second request message using the PC5 configuration information.
  15. WD according to claim 13, which is characterized in that
    The WD further includes processor, and the receiver is also used to receive the connection release message of eNB transmission, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    When the processor determines that the WD is in the second state,
    The transmitter is also used to broadcast discovery messages；
    The receiver is also used to receive the response message of at least one trunking transmission, and the trunking is one of at least one described trunking；
    Or
    The WD further includes processor, and the receiver is also used to receive the connection release message of eNB transmission, wherein the connection release message, which is used to indicate the WD, enters idle idle state；
    When the processor determines that the WD is in the second state,
    The receiver is also used to receive the discovery message of at least one trunking transmission, and the trunking is one of at least one described trunking；
    The transmitter is also used to send response message to the trunking.
  16. The described in any item WD of 3-15 according to claim 1, which is characterized in that the transmitter, for sending the first request message, comprising:
    The transmitter, is used for
    First request message is sent to the trunking, wherein first request message is PC5 signaling, the identification information includes the first identifier；Or
    First request message is sent to the trunking, wherein first request message is PC5 signaling, first request message includes the first Non-Access Stratum NAS signaling, and first NAS signaling includes the identification information, and the identification information includes the second identifier；Or
    First request message is sent to the trunking, wherein first request message includes first identifier and the second NAS signaling, second NAS signaling includes the identification information, and the identification information includes the second identifier.
  17. The described in any item WD of 3-16 according to claim 1, it is characterized in that, the transmitter is also used to send third request message to the MME by the trunking, wherein the third request message includes third NAS signaling, and the third NAS signaling is that the WD restores Deta bearer for requesting the MME.
  18. WD according to claim 14, which is characterized in that further include global unique interim UE mark GUTI of the encryption of the WD in second request message, the GUTI of the encryption is to generate after being encrypted using the GUTI of WD described in NAS key pair.
  19. The described in any item WD of 3-18 according to claim 1, it is characterized in that, the first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the WD, the international mobile subscriber identity IMSI of the WD and the WD, and the second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the trunking, the international mobile subscriber identity IMSI of the trunking and the trunking.
  20. A kind of mobility management entity MME characterized by comprising
    Receiver, for receiving instruction message, wherein the instruction message includes first identifier and second identifier, the first identifier is for identifying wearable device WD, and the second identifier is for identifying trunking；
    Memory, for saving the binding relationship of the WD and the trunking based on the first identifier and the second identifier；
    Transmitter, for sending paging message to the trunking based on the binding relationship, wherein the paging message, which is used to indicate the MME, will page the WD.
  21. MME according to claim 20, which is characterized in that the receiver, for receiving instruction message, comprising:
    The receiver, is used for
    Receive the instruction message that eNB is sent；Or
    It receives the trunking and sends the instruction message, the instruction message includes the first NAS signaling, and first NAS signaling includes the first identifier and the second identifier；Or
    It receives eNB or the trunking sends the instruction message, the instruction message includes the first identifier and second NAS signaling, and second NAS signaling includes the second identifier.
  22. The MME according to claim 20 or 21, which is characterized in that further include global unique interim UE mark GUTI of the encryption of the WD in the instruction message, the GUTI of the encryption is to generate after being encrypted using the GUTI of WD described in NAS key pair.
  23. MME according to claim 22, which is characterized in that the MME further includes processor, and the processor is used for
    The GUTI of the WD is obtained after decrypting to the GUTI of the encryption；
    Confirm that the corresponding WD of the GUTI of the WD and corresponding WD of the first identifier is same WD.
  24. According to the described in any item MME of claim 20-23, it is characterized in that, the first identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the WD, the international mobile subscriber identity IMSI of the WD and the WD, and the second identifier includes at least one of SAE Temporary Mobile Subscriber Identity S-TMSI of the GUTI of the trunking, the international mobile subscriber identity IMSI of the trunking and the trunking.
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