CN102238476A - Machine type communication common message transmission method and device - Google Patents

Machine type communication common message transmission method and device Download PDF

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Publication number
CN102238476A
CN102238476A CN2010101644351A CN201010164435A CN102238476A CN 102238476 A CN102238476 A CN 102238476A CN 2010101644351 A CN2010101644351 A CN 2010101644351A CN 201010164435 A CN201010164435 A CN 201010164435A CN 102238476 A CN102238476 A CN 102238476A
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mtc
message
group
public
beep
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全海洋
赵毅
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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Abstract

The invention discloses a machine type communication common message transmission method, which is used for saving network resources and improving system capacity and efficiency. The method comprises that: a network side determines a radio access network (RAN) group corresponding to a machine type communication (MTC) group required to receive a paging message, and acquires a radio network temporary identifier (RNTI) of the RAN group; the network side generates the paging message; and the network side transmits the RNTI and the paging message to MTC terminals in the determined MTC group in a multicast way. The invention also discloses a device for implementing the method.

Description

A kind of method and device of conveyer type communication public message
Technical field
The present invention relates to the communications field, particularly relate to the method and the device of conveyer type communication public message.
Background technology
For the huger industry of some terminal quantities, terminal such as water meter, ammeter and gas meter etc., also (human to human, mode transfer information H2H), efficient are very low adopting the person to person at present.For solving the defective of H2H communication, 3-G (Generation Three mobile communication system) with and long evolving system in need to support machine type communication (Machine Type Communications, MTC) function has proposed machinery compartment (Machine-to-machine, M2M) communication pattern.Under the M2M communication pattern, how to send identical information to a plurality of MTC users, still there is not clear and definite scheme.
The mode that sends information to a plurality of users in the prior art has broadcasting, multicast and paging.Adopt the system broadcasts mode to send information, the data volume of its transmission is less, be generally used for sending configuration information, and information format is fixed.It is fixing that this mode is not suitable for the MTC this data volume of communicating by letter, the unfixed scene of content.And for the MTC equipment that does not need to receive message, this broadcast message is a redundant information.
For supporting multicast single-frequency network (Multicast Broadcast Single Frequency Network, MBSFN) multimedia broadcasting of mode and multicast services (Multimedia Broadcast/MulticastService, MBMS), require MTC equipment to have the receiving ability of MBMS.If MTC equipment does not have the receiving ability of MBMS, then can't receive information.And MBMS is a control information transmission among the MCH (MBMS control channel), service data transmission in the MBMS Traffic Channel.The form of its control channel is also fixed.It is fixing that this mode is not suitable for the MTC this data volume of communicating by letter, the unfixed scene of content.
Existing paging mode is man-to-man calling, and for the MTC equipment of magnanimity, this paging mode can cause the paging amount to be increased sharply, and takies a large amount of interface-free resources.
Summary of the invention
The embodiment of the invention provides a kind of method and device of conveyer type communication public message, is used for conserve network resources, improves power system capacity and efficient.
A kind of method of conveyer type communication public message may further comprise the steps:
Network side need to determine the wireless access network RAN group of the machine type communication MTC group correspondence of paging receiving message, and obtains the Radio Network Temporary Identifier RNTI of RAN group;
Network side generates beep-page message;
Network side sends RNTI and beep-page message with the MTC terminal of multicast mode in the MTC group that determines.
A kind of method of conveyer type communication public message may further comprise the steps:
The MTC terminal is carried out paging and is monitored;
The MTC terminal is paging receiving message when listening to Radio Network Temporary Identifier RNTI.
A kind of device that is used for conveyer type communication public message comprises:
Enquiry module is used to determine need the wireless access network RAN group of the machine type communication MTC group correspondence of paging receiving message, and obtains the Radio Network Temporary Identifier RNTI of RAN group;
Generation module is used to generate beep-page message;
Interface module is used for sending RNTI and beep-page message in the multicast mode to the MTC terminal of the MTC group that determines.
A kind of MTC terminal comprises:
Monitor module, be used to carry out paging and monitor;
Interface module is used for paging receiving message when listening to Radio Network Temporary Identifier RNTI.
The embodiment of the invention sends beep-page message by the group that receives message to needs and realizes the MTC terminal information is transmitted.Paging mode with respect to traditional no longer needs man-to-man transmission, has saved Internet resources.With respect to the MBMS mode, the realization of beep-page message is more flexible, is not subjected to the restriction of set form and length.
Description of drawings
Fig. 1 is the structure chart of communication system in the embodiment of the invention;
Fig. 2 is the structure chart of MME in the embodiment of the invention;
Fig. 3 is the primary structure figure of MTC terminal in the embodiment of the invention;
Fig. 4 is the detailed structure view of MTC terminal in the embodiment of the invention;
Fig. 5 is the main method flow chart of conveyer type communication public message in the embodiment of the invention;
Fig. 6 is the method flow diagram that passes through C-RNTI conveyer type communication public message in the embodiment of the invention;
Fig. 7 is the method flow diagram that passes through MTC P-RNTI conveyer type communication public message in the embodiment of the invention.
Embodiment
The embodiment of the invention sends beep-page message by the group that receives message to needs and realizes the MTC terminal information is transmitted.Paging mode with respect to traditional no longer needs man-to-man transmission, has saved Internet resources.With respect to the MBMS mode, the realization of beep-page message is more flexible, is not subjected to the restriction of set form and length.
Present embodiment comprises RAN group (RAN group) and MTC group (MTC group).RANgroup can divide according to business, operation and MTC device type etc.MTC group can divide according to MTC device type and region etc.Each RAN group all has a unique RAN group public identity, and each MTC group all has a unique MTC group public identity.RAN group public identity and MTC group public identity have corresponding relation, this corresponding relation can be one to one, many-one, one-to-many or many-to-many relationship.The RAN group public identity can adopt Radio Network Temporary Identifier (RNTI), perhaps adopts other public identifier, and then RAN group public identity and RNTI have relation one to one.
Referring to Fig. 1, communication system comprises in the present embodiment: MTC server, packet data network gateway (PackedData Network Gateway, PDN GW), gateway (S-GW), mobile management entity (MME) and evolution base station (eNB).
MTC server (MTC server) is used for sending MTC group public identity and the public message content that needs receive the MTC group of public message content to PDN GW.
PDN GW is used for MTC group public identity and public message content are transmitted to gateway (S-GW);
S-GW is used for MTC group public identity and public message content are transmitted to mobile management entity (MME);
MME is used for determining the RAN group of MTC group public identity correspondence, and the eNB of acquisition RAN group correspondence, generation comprises the beep-page message of public message content, perhaps generates to comprise the public message content correlated information beep-page message of (as comprising the public message content address).MME sends beep-page message by corresponding eNB to the MTC of correspondence group.If that the RAN group public identity adopts is RNTI, then MME determines corresponding eNB according to RNTI.If what the RAN group public identity adopted is RNTI other public identifier in addition, then MME determines corresponding eNB according to the RAN group public identity.ENB determines corresponding RNTI according to the RAN group public identity then, so that the MTC terminal is monitored.
ENB is used in the multicast mode beep-page message and RNTI being sent to MTC terminal in the MTC group, and receives the response message that the MTC terminal is returned, and this response message is back to MTC server.Response message comprises confirms response message (ACK) and error response message (NACK).The eNB internal configurations has RNTI and the corresponding relation that belongs to local MTC group public identity.Concrete, eNB goes up at Physical Downlink Control Channel (PDCCH) and sends RNTI, and sends beep-page message on shared channel.If beep-page message comprises the public message content address, then eNB also need send the public message content on the indicated channel of public message content address.If beep-page message does not comprise public message content and public message content address, then eNB also need send the public message content on default resource.At this moment, the positional information of this default resource all has configuration in eNB and MTC terminal.
Internal structure and function to MME is described in detail below.
Referring to Fig. 2, MME comprises in the present embodiment: generation module 201, enquiry module 202 and interface module 203.
Enquiry module 202 is used to determine need the RAN group of the MTC group correspondence of paging receiving message, and obtains the RAN group public identity.Enquiry module 202 also is used for determining the eNB of RAN group correspondence.Enquiry module 202 also is used to obtain the RNTI of RAN group, is perhaps obtained the RNTI of RAN group by eNB.
Generation module 201 is used to generate beep-page message.Beep-page message comprises information perhaps relevant with the public message content in the public message; Perhaps beep-page message does not comprise public message content and the information relevant with the public message content.
Interface module 203 is used for sending RNTI and beep-page message to the MTC group that determines.Concrete, interface module 203 sends beep-page message in the multicast mode to the MTC of correspondence group by corresponding eNB.Interface module 203 sends beep-page message to the MTC of correspondence group by corresponding eNB on shared channel, and sends RNTI on PDCCH.Use shared channel simultaneously the multi-user to be carried out paging, compare, saved the resource of shared channel with paging mechanism of the prior art.And be not subjected to the restriction of the aspects such as form of MBMS correlated channels.Interface module 203 also is used for receiving the response message that the MTC terminal is returned by eNB.
Beep-page message also comprises the MTC group public identity, so that the MTC terminal is carried out the message checking.
RNTI is common paging RNTI (P-RNTI), the P-RNTI of MTC special use or the control RNTI (C-RNTI) of RAN group special use.Common P-RNTI does not distinguish H2H pattern and M2M pattern.In order not influence the transmission of H2H pattern, present embodiment provides the P-RNTI of MTC special use for the M2M pattern, to distinguish the P-RNTI of H2H pattern.Further, for the transmission that do not influence other form (as broadcasting etc.), present embodiment provides the C-RNTI of RAN group special use for RAN group.And in order not influence the transmission of other form, when adopting C-RNTI to carry out paging, the RAN group public identity does not adopt RNTI.
The MTC group public identity can be public Short Mobile Station Identifier (S-TMSI), international mobile subscriber identifier (IMSI) but or the sign of other mark MTC group.
Network side has realized that the MTC terminal in MTC group sends beep-page message, especially a beep-page message is only sent out in the once-through operation of a MTC group, the MTC terminal need receive and resolve this beep-page message, and internal structure and the function to the MTC terminal is introduced below.
Referring to Fig. 3, the MTC terminal comprises in the present embodiment: monitor module 301 and interface module 302.
Monitor module 301 and be used to carry out the paging monitoring.Concrete, monitor module 301 and on PDCCH, RNTI is carried out the paging monitoring.Monitoring module 301 can be according to periodic monitoring of discontinuous reception (DRX) cycle.Wherein monitor the RNTI that module 301 has MTC terminal correspondence.
Interface module 302 is used for paging receiving message when listening to the RNTI of local correspondence.Concrete, interface module 302 is paging receiving message on shared channel, can also receive the public message content on broadcast channel or MBMS Traffic Channel.Interface module 302 is returned response message after also being used to receive beep-page message.
The MTC terminal also comprises: parsing module 303 and matching module 304, and referring to shown in Figure 4.
Parsing module 303 is used for beep-page message is resolved.
Matching module 304 is used for when beep-page message comprises the MTC group public identity, the MTC group public identity that MTC group public identity in the beep-page message is corresponding with self is compared, when comparison is consistent, indication parsing module 303 continues to resolve beep-page message, when comparison is inconsistent, abandon beep-page message.Matching module 304 has the MTC group public identity and the RNTI of MTC terminal correspondence.
Beep-page message may comprise the public message content, perhaps comprises the address of public message content.Parsing module 303 is used for beep-page message is resolved, and obtains the public message content; Perhaps be used for beep-page message is resolved, obtain the public message content address, and indication interface module 302 obtains the public message content according to this public message content address.The public message content address can be other channel except that shared channel, as broadcast channel or MBMS Traffic Channel etc.
Beep-page message also may not comprise the address of public message content and public message content, then after the interface module 302 paging receiving message, receives the public message content on default resource.The public message content comprises control information and business datum etc.
When MTC accessing terminal to network (especially first access network), network side (as MME and eNB) comes public identifier for this its use of MTC terminal distribution according to the attribute of MTC terminal or CAMEL-Subscription-Information, as distribute the public S-TMSI of the MTC group under it, determine the public RNTI of its use, as may being P-RNTI, the public C-RNTI of the P-RNTI of MTC special use or affiliated RAN group.And the relevant parameter of public RNTI, MTC group public identity and AS layer (comprise the configuration on opportunity of monitoring paging, as discontinuous receiving cycle etc.) sent to the MTC terminal.
By above description the internal structure and the function of system and device had understanding, the implementation procedure to conveyer type communication public message is introduced below.
Referring to Fig. 5, the main method flow process of conveyer type communication public message is as follows in the present embodiment:
Step 501: network side need to determine wireless access network (RAN) group of machine type communication (MTC) group correspondence of paging receiving message, and obtains the Radio Network Temporary Identifier (RNTI) of RAN group.
Step 502: network side generates beep-page message.
Step 503: network side sends RNTI and beep-page message with the MTC terminal of multicast mode in the MTC group that determines.
Because RNTI has multiple concrete form, beep-page message can comprise in the public message perhaps public message content address, so the specific implementation process has multiple mode, introduces in detail below by two exemplary embodiments.
Referring to Fig. 6, as follows in the present embodiment by the method flow of C-RNTI conveyer type communication public message:
Step 601:MTC server sends the S-TMSI and the public message content of the MTC group that needs paging receiving message to PDN GW.
Step 602:PDN GW is transmitted to S-GW with S-TMSI and public message content.
Step 603:S-GW is transmitted to MME with S-TMSI and public message content.
Step 604:MME determines the RAN group public identity of S-TMSI correspondence and the eNB of RAN group public identity correspondence.The RAN group public identity does not adopt C-RNTI.
Step 605:MME generates the beep-page message that comprises S-TMSI, and transmits beep-page message and give corresponding eNB.
Step 606:eNB determines corresponding C-RNTI according to the RAN group public identity, and sends beep-page message to the MTC terminal in the multicast mode on shared channel, and sends C-RNTI on PDCCH.
C-RNTI on the step 607:MTC terminal monitoring PDCCH.
Step 608:MTC terminal is paging receiving message after listening to the C-RNTI of self correspondence.
Step 609:MTC terminal is returned the affirmation response message to eNB.ENB will confirm that response message is back to MTC server.If the MTC terminal takes defeat, then return failure response message to eNB.ENB is back to MTC server with failure response message.
When successful paging receiving message, the MTC terminal can also be resolved beep-page message, obtains public message content wherein.
Referring to Fig. 7, as follows in the present embodiment by the method flow of MTC P-RNTI conveyer type communication public message:
Step 701:MTC server sends the S-TMSI of public message content and the MTC group correspondence that needs reception message to PDN GW.
Step 702:PDN GW is transmitted to S-GW with public message content and S-TMSI.
Step 703:S-GW is transmitted to MME with public message content and S-TMSI.
Step 704:MME determines the MTC P-RNTI of S-TMSI correspondence and the eNB of MTC P-RNTI correspondence.The RAN group public identity adopts MTC P-RNTI.
Step 705:MME generates and to comprise the public identifier S-TMSI that group uses and the beep-page message of public message content address, and sends beep-page message and the MTC P-RNTI eNB to correspondence.
Step 706:eNB sends beep-page message to the MTC terminal in the multicast mode on shared channel, and sends MTC P-RNTI on PDCCH.
MTC P-RNTI on the step 707:MTC terminal monitoring shared control channel.
Step 708:MTC terminal is paging receiving message after listening to MTC P-RNTI.
Step 709:MTC terminal is mated S-TMSI in the beep-page message and the S-TMSI of this locality, continues step 711 when coupling is consistent, otherwise continues step 710.
Step 710:MTC terminal abandons beep-page message.
Step 711:MTC terminal obtains the public message content address from beep-page message, and receives the public message content according to this public message content address.
Step 712:MTC terminal is returned the affirmation response message to eNB.ENB will confirm that response message is back to MTC server.
RNTI is that the implementation of common P-RNTI is similar to flow process shown in Figure 7, can consult and carry out, and repeats no more herein.
Be used to realize that the software of the embodiment of the invention can be stored in storage mediums such as floppy disk, hard disk, CD and flash memory.
The embodiment of the invention sends beep-page message by the group that receives message to needs and realizes the MTC terminal information is transmitted.Paging mode with respect to traditional no longer needs man-to-man transmission, has saved Internet resources.With respect to the MBMS mode, the realization of beep-page message is more flexible, is not subjected to the restriction of set form and length.And the embodiment of the invention is transmitted beep-page message in shared channel, has avoided the restriction of the set form and the length of control channel.And beep-page message comprises the public message content in the embodiment of the invention, perhaps comprises the public message content address, makes it the system compatible with MBMS.RNTI in the embodiment of the invention is common P-RNTI, the P-RNTI of MTC special use or the C-RNTI of RAN group special use, makes it and H2H pattern compatibility.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (25)

1. the method for a conveyer type communication public message is characterized in that, may further comprise the steps:
Network side need to determine the wireless access network RAN group of the machine type communication MTC group correspondence of paging receiving message, and obtains the Radio Network Temporary Identifier RNTI of RAN group;
Network side generates beep-page message;
Network side sends RNTI and beep-page message with the MTC terminal of multicast mode in the MTC group that determines.
2. the method for claim 1 is characterized in that, the definite wireless access network RAN group that needs the machine type communication MTC group correspondence of reception message of network side, and the step of the Radio Network Temporary Identifier RNTI of acquisition RAN group comprises:
The MTC server MTC server of network side sends the MTC group public identity and the public message content of the MTC group that needs paging receiving message to packet data network gateway PDN GW;
PDN GW is transmitted to gateway S-GW with MTC group public identity and public message content;
S-GW is transmitted to mobile management entity MME with MTC group public identity and public message content;
MME determines the RAN group of MTC group public identity correspondence, and obtains the Radio Network Temporary Identifier RNTI of RAN group.
3. method as claimed in claim 2 is characterized in that, comprises that also step: MME determines the evolution base station eNB of RAN group correspondence;
Network side comprises with the step that the MTC terminal of multicast mode in the MTC group that determines sends RNTI and beep-page message: MME sends beep-page message and RNTI by corresponding eNB with the MTC terminal of multicast mode in the MTC group that determines.
4. method as claimed in claim 3 is characterized in that, comprises that also step: MME receives the response message that the MTC terminal is returned by eNB.
5. the method for claim 1, it is characterized in that, network side comprises to the step that the MTC of correspondence group sends beep-page message: network side sends beep-page message by shared channel with the MTC terminal of multicast mode in the MTC of correspondence group, and sends RNTI by the PDCCH channel with the MTC terminal of multicast mode in the MTC of correspondence group.
6. as each described method in the claim 1 to 5, it is characterized in that beep-page message also comprises in the public message the perhaps relevant information of public message content;
Perhaps beep-page message does not comprise the relevant information of public message content and public message content.
7. as each described method in the claim 1 to 5, it is characterized in that beep-page message comprises the MTC group public identity of MTC group.
8. as each described method in the claim 1 to 5, it is characterized in that RNTI is common paging RNTI P-RNTI, the P-RNTI of MTC special use or the control RNTI C-RNTI of RAN group special use.
9. the method for a conveyer type communication public message is characterized in that, may further comprise the steps:
The MTC terminal is carried out paging and is monitored;
The MTC terminal is paging receiving message when listening to Radio Network Temporary Identifier RNTI.
10. method as claimed in claim 9 is characterized in that, the step that the MTC terminal is carried out the paging monitoring comprises: the MTC terminal is carried out paging and is monitored on physical downlink control channel PDCCH.
11. method as claimed in claim 9, it is characterized in that, also comprise step: the MTC terminal is resolved beep-page message, when beep-page message comprises the MTC group public identity of MTC group, the MTC group public identity that MTC group public identity in the beep-page message is corresponding with self is compared, and when comparison is consistent, continues to obtain the public message content, when comparison is inconsistent, abandon beep-page message.
12. method as claimed in claim 9 is characterized in that, also comprises step:
After the MTC terminal paging receiving message beep-page message is resolved, obtain the public message content; Perhaps
After the MTC terminal paging receiving message beep-page message is resolved, obtain the public message content address, and obtain the public message content, perhaps according to this public message content address
On default resource, obtain the public message content after the MTC terminal paging receiving message.
13. method as claimed in claim 12 is characterized in that, also comprises step: the MTC terminal is returned response message after receiving the public message content.
14. a device that is used for conveyer type communication public message is characterized in that, comprising:
Enquiry module is used to determine need the wireless access network RAN group of the machine type communication MTC group correspondence of paging receiving message, and obtains the Radio Network Temporary Identifier RNTI of RAN group;
Generation module is used to generate beep-page message;
Interface module is used for sending RNTI and beep-page message in the multicast mode to the MTC terminal of the MTC group that determines.
15. device as claimed in claim 14 is characterized in that, enquiry module also is used for determining the evolution base station eNB of RAN group correspondence;
Interface module sends beep-page message by corresponding eNB to the MTC group that determines.
16. device as claimed in claim 14, it is characterized in that, interface module sends beep-page message by shared channel with the MTC terminal of multicast mode in the MTC of correspondence group, and sends RNTI by PDCCH with the MTC terminal of multicast mode in the MTC of correspondence group.
17. device as claimed in claim 14 is characterized in that, interface module also is used for receiving the response message that the MTC terminal is returned by eNB.
18., it is characterized in that beep-page message also comprises in the public message the perhaps relevant information of public message content as each described device in the claim 14 to 17;
Perhaps beep-page message does not comprise the relevant information of public message content and public message content.
19., it is characterized in that beep-page message also comprises the MTC group public identity of MTC group as each described device in the claim 14 to 17.
20., it is characterized in that RNTI is the P-RNTI of P-RNTI, MTC special use or the C-RNTI of RAN group special use as each described device in the claim 14 to 17.
21. a MTC terminal is characterized in that, comprising:
Monitor module, be used to carry out paging and monitor;
Interface module is used for paging receiving message when listening to Radio Network Temporary Identifier RNTI.
22. MTC terminal as claimed in claim 21 is characterized in that, monitors module and carry out the paging monitoring on physical downlink control channel PDCCH.
23. MTC terminal as claimed in claim 21 is characterized in that, also comprises:
Parsing module is used for beep-page message is resolved;
Matching module, be used for when beep-page message comprises the MTC group public identity, the MTC group public identity that MTC group public identity in the beep-page message is corresponding with self is compared, when comparison is consistent, the indication interface module continues to obtain the public message content, when comparison is inconsistent, abandon beep-page message.
24. MTC terminal as claimed in claim 21 is characterized in that, also comprises: parsing module, be used for beep-page message is resolved, obtain the public message content; Perhaps, parsing module is used for beep-page message is resolved, and obtains the public message content address, and the indication interface module is according to this public message content address acquisition public message content, perhaps
Interface module is used for obtaining the public message content after the paging receiving message on default resource.
25. MTC terminal as claimed in claim 24 is characterized in that, interface module is returned response message after also being used to receive the public message content.
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CN105636203A (en) * 2014-11-07 2016-06-01 上海贝尔股份有限公司 Method and device for transmitting public paging message used for machine-type communication (MTC) user equipment (UE)
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