CN102547658B - Method and device for transmitting data - Google Patents
Method and device for transmitting data Download PDFInfo
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- CN102547658B CN102547658B CN201110435151.6A CN201110435151A CN102547658B CN 102547658 B CN102547658 B CN 102547658B CN 201110435151 A CN201110435151 A CN 201110435151A CN 102547658 B CN102547658 B CN 102547658B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The invention discloses a method and device for transmitting data, which are used for transmitting uplink small data by using the SGSN/MME (serving GPRS support node/mobility management entity) through the MTC-IWF (machine-type communication interworking function) entity. The method comprises the following steps: receiving the uplink small data; determining the MTC-IWF entity; and transmitting the uplink small data through the MTC-IWF entity. By using the method and the device to transmit the uplink small data by using the SGSN/MME through the MTC-IWF entity, the small data transmission path is shortened, and the consumption of network signaling resource is reduced.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of data transmission method and device.
Background technology
Specify in agreement 3GPP TS 23.888 at present, machine type communication (Machine-Type Communication is introduced in the 3GPP network architecture, MTC) framework, wherein between MTC server (server) and 3GPP core net, add new node--machine type communication interactive function (Machine-Type Communication Interworking Function, MTC-IWF) entity, the Main Function of MTC-IWF entity shields 3GPP topology of networks to MTC server, provides the interface with 3GPP network.The problem how MTC server searches MTC-IWF entity has been discussed in current 3GPP agreement, but, the problem of how to search MTC-IWF entity for Serving GPRS Support Node (Serving GSN, SGSN)/Mobility Management Entity (MME) is not yet discussed.
MTC system framework is divided into roaming architecture and non-roaming (Non-Roaming) framework, as shown in Figure 1, for existing 3GPP Non-Roaming MTC system framework wherein, MTC-IWF entity is only at home public land mobile network network (Home Public Land Mobile Network, HPLMN) in, MTC server only and the MTC-IWF entity of HPLMN have connection, namely MTCsp interface is the interface of MTC server and HPLMM.
Roaming interface T5a/T5b may be there is in the interface between SGSN/MME and MTC-IWF entity, can connect between the MTC-IWF entity of i.e. SGSN/MME and the HPLMN of virtual public land mobile network (Virtual Public Land Mobile Network, VPLMN).
About the mark of subscriber equipment, in prior art, for MTC server, the outer logo (external ID) of subscriber equipment can only be known, External Identifier=<Local-Identifier> <Domain-Identifier>, wherein:
Domain identifier (Domain-Identifier): illustrate the territory (domain) that MNO controls.May be used for finding MTC-IWF entity (i.e.IP address on MTCsp).Domain-Identifier can indicate MTC-IWF entity specific for application further.
Local mark (Local-Identifier): being distributed by MNO, is unique in domain inside.Operator uses this mark to obtain the internal indicator (internal identifier) of UE.The structure of Local Identifier is flexibly, and such as Local Identifier can comprise following different part:
For searching the part of MNO database, such as Subscriber Number part of an E.164MSISDN (TS 23.003) or other MNO specified scheme;
The part that Client application is relevant, such as serial number, chassis number for car etc.;
Multiple external identifiers can be mapped as an internal identifier.
Inner at 3GPP, still use the internal indicator of subscriber equipment (UE) (internal ID) to carry out identifying user equipment.According to regulation of the prior art, HSS is responsible for the information such as the internal indicator returning subscriber equipment.
About searching of descending MTC-IWF entity, in current 3GPP TR23.888, refer to the defining method of descending MTC-IWF entity, mainly for device trigger (Device Trigger) characteristic.MTCserver can determine descending MTC-IWF entity by the method for static configuration; Also the mode can inquired about by name server (Domain Name Server, DNS) determines descending MTC-IWF entity.
Static configuration method requires the address configuring MTC-IWF entity on MTC server.
The mode of DNS query is as shown in Figure 2:
MTC server, by sending DNS request, carries the outer logo of UE, to the address of DNS server requesting query MTC-IWF entity;
The address that DNS server is registered according to MTC-IWF entity before, returns to the address of MTC-IWF entity to MTC server.
In addition, in prior art, 3GPP TR 23.888 (NOTE 2:According to stage 1requirements the small data upper limit can be around 1000octets) also refer to a kind of concept of small data transmission, namely signaling method or short message way is used to carry out the data that transmitted data amount is little, infrequently transmit, object is to reduce because the impact that brings to existing system of small data transmission, comprises signaling consumption, Internet resources, the time delay etc. of reshuffling.In the method for the small data transmission that prior art is discussed, there is the mode that a kind of NAS message is carried, as shown in Figure 3, after program MME/SGSN receives the NAS message of carrying small data, small data is wherein sent to MTC-IWF entity by the interface between MTC-IWF entity, is then transmitted to MTC server by MTC-IWF entity.
The xxx interface marked in Fig. 3, the network architecture according to determining at present is seen, is T5a/T5b interface.But not yet just transmit uplink small data by MTC-IWF at present and form complete scheme.
In sum, because MTC Server is connected with all MTC-IWF entity (MTCserver only may be connected with the MTC-IWF entity of HPLMM), therefore when considering transmission uplink small data, SGSN/MME needs to determine to use which MTC-IWF entity to transmit, thus makes uplink small data can be routed to MTC Server by this MTC-IWF entity; In addition, when considering the report of passback DeviceTrigger, SGSN/MME also may need to search the MTC-IWF entity transmitting the current use of Device Trigger, thus MTC-IWF entity can be operated accordingly according to the report of Device Trigger (Report), such as remove the Trigger message etc. of preservation.But, the problem of the MTC-IWF entity used when how to determine transmitting uplink data is not yet considered in prior art, wherein, described transmitting uplink data comprises transmission of uplink small data transmission and device trigger report (Device TriggerReport) etc.
Summary of the invention
Embodiments provide a kind of data transmission method and device, carry out uplink small data transmission in order to realize SGSN/MME by MTC-IWF entity.
A kind of data transmission method that the embodiment of the present invention provides comprises:
Receive uplink small data;
Determine machine type communication interactive function MTC-IWF entity;
Uplink small data transmission is carried out by described MTC-IWF entity.
A kind of data transmission device that the embodiment of the present invention provides comprises:
Small data receiving element, for receiving uplink small data;
MTC-IWF entity determining unit, for determining machine type communication interactive function MTC-IWF entity;
Small data transmission unit, for carrying out uplink small data transmission by described MTC-IWF entity.
The embodiment of the present invention, receives uplink small data; Determine MTC-IWF entity; Uplink small data transmission is carried out by described MTC-IWF entity, thus determine the MTC-IWF entity that transmitting uplink data uses, make SGSN/MME can carry out uplink small data transmission by MTC-IWF entity, and, shorten the path of small data transmission, decrease the consumption of network signal resource.
Accompanying drawing explanation
Fig. 1 is the non-roaming configuration diagram of the 3GPP system of MTC;
Fig. 2 is MT communication process schematic diagram;
Fig. 3 is MTC-IWF entity transfer schematic diagram when utilizing NAS signalling uplink small data;
The schematic flow sheet of a kind of data transmission method that Fig. 4 provides for the embodiment of the present invention;
The schematic flow sheet of the SGSN/MME inquiry MTC-IWF entity address that Fig. 5 provides for the embodiment of the present invention;
A kind of data transmission device structural representation that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Embodiments provide a kind of data transmission method and device, carry out uplink small data transmission in order to realize SGSN/MME by MTC-IWF entity.
Consider in MT communication scenes, in MTC-IWF entity to home signature user server (HomeSubscriber Server, HSS) the internal ID of UE is inquired about, such as international mobile subscriber identifier (International Mobile Subscriber Identifier, IMSI) time, HSS can record the address of this MTC-IWF entity, and therefore, SGSN/MME can serve the MTC-IWF entity of UE by S6a/d interface before HSS inquiry; In MO communication scenes, if certain MTC-IWF entity served certain UE, so HSS also can record this MTC-IWF entity, and such SGSN/MME directly can select this MTC-IWF entity according to the record in HSS.
See Fig. 4, a kind of method determining MTC-IWF entity that the embodiment of the present invention provides, comprises step:
S101, reception uplink small data;
S102, determine MTC-IWF entity;
S103, carry out uplink small data transmission by described MTC-IWF entity.
Preferably, describedly determine MTC-IWF entity, comprising:
According to the address of the MTC-IWF entity of static configuration, determine MTC-IWF entity; Or,
According to subscriber equipment outer logo, determine MTC-IWF entity; Or,
According to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, determine MTC-IWF entity.
Preferably, described subscriber equipment outer logo, and the address of the MTC-IWF entity of described static configuration or fully qualified domain name FQDN obtain from the CAMEL-Subscription-Information of subscriber equipment.
Preferably, when according to subscriber equipment outer logo, determine MTC-IWF entity, or, according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, when determining MTC-IWF entity, being by sending inquiry request to name server, from the response results that name server returns, determining MTC-IWF entity.
That is, the address of MTC-IWF entity can be pre-configured in SGSN/MME.
Or, when subscriber equipment (UE) needs to initiate the business such as uplink small data transmission, if SGSN/MME does not set up being connected with the T5a/T5b interface between MTC-IWF entity for this UE, then SGSN/MME can send inquiry request to HSS, and HSS returns to the MTC-IWF entity address of its record to SGSN/MME.
HSS upper once receive the internal ID inquiry request that MTC-IWF entity sends time, the more address of the MTC-IWF entity of new record.
Preferably, the uplink small data of described reception is the small data quantity data encapsulated by up NAS message; Or, be the machine type communication device triggered report MTCDevice Trigger Report message encapsulated by up NAS message.
Wherein, described small data quantity, can be the data volume according to regulation in subscriber equipment CAMEL-Subscription-Information or operator's configuration, such as, be the data volume being less than 1000 bytes.
Preferably, carry out uplink small data transmission by MTC-IWF entity, comprising:
By T5a interface or T5b interface, uplink small data is sent to described MTC-IWF entity.
Provide concrete explanation explanation below.
Need for subscriber equipment the characteristic transmitting uplink small data in the embodiment of the present invention, SGSN/MME selects the MTC-IWF entity of this subscriber equipment of service by the outer logo of subscriber equipment, specifically comprises:
SGSN/MME is at mobility management process, such as adhere to (Attach), tracing section updating (TAU) Routing Area Update (RAU) or HO process etc., from HSS, obtain CAMEL-Subscription-Information by existing renewal location confirmation (Update LocationAck) message, thus obtain the outer logo (externalID) of this subscriber equipment;
SGSN/MME receives the uplink small data that subscriber equipment is sent;
When subscriber equipment has uplink small data transmission characteristic, uplink small data by up NAS message, can be transferred to SGSN/MME by subscriber equipment;
After subscriber equipment receives MTC device triggering (MTC Device Trigger) message, by up NAS message, by MTC Device Trigger Report transmission of messages to SGSN/MME.
Wherein, the uplink small data transmission characteristic of subscriber equipment, it is according to the frequency of transfer of data and data length and the small data transmission characteristic divided, according to CAMEL-Subscription-Information and the network configuration of subscriber equipment, just can determine whether this subscriber equipment can use small data transmission, namely determine whether subscriber equipment has uplink small data transmission characteristic.
SGSN/MME judges to use T5a or T5b interface to transmit uplink small data according to subscriber equipment CAMEL-Subscription-Information, then SGSN/MME is according to the external ID of the UE in subscriber equipment CAMEL-Subscription-Information, or the FQDN of the MTC-IWF entity by static configuration in HSS, sends inquiry request to DNS server; Otherwise SGSN/MME selects suitable data transfer mode according to subscriber equipment CAMEL-Subscription-Information, such as, the instruction of subscriber equipment CAMEL-Subscription-Information does not allow to use small data transmission mode, then adopt traditional carrying transmission means.Wherein, described subscriber equipment CAMEL-Subscription-Information, comprises the transmission characteristic whether allowing to use small data transmission, and the data length restricted information of small data.
The response results that SGSN/MME returns according to DNS server, obtains the address of MTC-IWF entity; If static configuration MTC-IWF entity address in advance in SGSN/MME, then SGSN/MME directly uses this MTC-IWF entity.
Uplink small data is sent out by the MTC-IWF entity determined by SGSN/MME.
Participate in Fig. 5, the data transmission method that the embodiment of the present invention provides specifically comprises:
The UE with small data transmission ability needs to initiate uplink small data transmission, and UE uses the message such as NAS UplinkTransport to carry uplink small data;
After SGSN/MME receives uplink small data, according to the CAMEL-Subscription-Information of UE, judge to use IWF mode to send this uplink small data;
If do not preserve the address of any MTC-IWF entity in SGSN/MME in the context of UE, then use the MTC-IWF entity of static configuration in the external ID of UE or CAMEL-Subscription-Information, send inquiry request to DNS server;
The response results that SGSN/MME returns according to DNS server, obtains suitable MTC-IWF entity;
Uplink small data is sent by MTC-IWF entity by SGSN/MME.
See Fig. 6, a kind of data transmission device that the embodiment of the present invention provides, comprising:
Small data receiving element 11, for receiving uplink small data;
MTC-IWF entity determining unit 12, for determining MTC-IWF entity;
Small data transmission unit 13, for carrying out uplink small data transmission by described MTC-IWF entity.
Preferably, described MTC-IWF entity determining unit 12, specifically for:
According to the address of the MTC-IWF entity of static configuration, determine MTC-IWF entity; Or,
According to subscriber equipment outer logo, determine MTC-IWF entity; Or,
According to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, determine MTC-IWF entity.
Preferably, described subscriber equipment outer logo, and the address of the MTC-IWF entity of described static configuration or fully qualified domain name FQDN obtain from the CAMEL-Subscription-Information of subscriber equipment.
Preferably, described MTC-IWF entity determining unit 12, when according to subscriber equipment outer logo, determine MTC-IWF entity, or, according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, when determining MTC-IWF entity, being by sending inquiry request to name server, from the response results that name server returns, determining MTC-IWF entity.
Preferably, the uplink small data that described small data receiving element 11 receives is the small data quantity data encapsulated by up NAS message; Or, be the machine type communication device triggered report MTC Device Trigger Report message encapsulated by up NAS message.
Preferably, described small data transmission unit 13, specifically for:
By T5a interface or T5b interface, uplink small data is sent to described MTC-IWF entity.
In sum, SGSN/MME is when carrying out uplink small data transmission, according to the MTC-IWF entity address choice MTC-IWF entity of static configuration, or search according to the outer logo of subscriber equipment or the MTC-IWF entity FQDN of static configuration the address obtaining up MTC-IWF entity; The uplink small data that SGSN/MME receives is the small data transmitted by up NAS message, or is MTC Device Trigger Report message; After SGSN/MME determines suitable MTC-IWF entity, by T5a/T5b interface, uplink small data is sent out.Thus, make SGSN/MME can carry out transmitting uplink data by MTC-IWF entity, greatly can reduce the number of times of inquiry DNS Server, reduce the consumption of network signal resource.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a data transmission method, is characterized in that, the method comprises:
The network equipment receives uplink small data, and wherein, the network equipment is general packet radio service gprs serving GPRS support node SGSN or Mobility Management Entity MME;
The network equipment, according to the address of the machine type communication interactive function MTC-IWF entity of static configuration, determines MTC-IWF entity; Or,
The network equipment, according to subscriber equipment outer logo, determines MTC-IWF entity; Or,
The network equipment, according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, determines MTC-IWF entity;
Wherein, described subscriber equipment outer logo, and the address of the MTC-IWF entity of described static configuration or fully qualified domain name FQDN obtain from the CAMEL-Subscription-Information of subscriber equipment;
The network equipment carries out uplink small data transmission by described MTC-IWF entity.
2. method according to claim 1, it is characterized in that, when the network equipment is according to subscriber equipment outer logo, determine MTC-IWF entity, or, the network equipment according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, when determining MTC-IWF entity, being by sending inquiry request to name server, from the response results that name server returns, determining MTC-IWF entity.
3. method according to claim 1, is characterized in that, the uplink small data that the network equipment receives, and is the small data quantity data encapsulated by up NAS message; Or, be the machine type communication device triggered report MTC Device Trigger Report message encapsulated by up NAS message.
4. method according to claim 1, is characterized in that, the network equipment carries out uplink small data transmission by described MTC-IWF entity, comprising:
By T5a interface or T5b interface, uplink small data is sent to described MTC-IWF entity.
5. a data transmission device, is characterized in that, this device comprises:
Small data receiving element, for receiving uplink small data;
MTC-IWF entity determining unit, for the address of the MTC-IWF entity according to static configuration, determines MTC-IWF entity; Or,
According to subscriber equipment outer logo, determine MTC-IWF entity; Or,
According to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, determine MTC-IWF entity;
Wherein, described subscriber equipment outer logo, and the address of the MTC-IWF entity of described static configuration or fully qualified domain name FQDN obtain from the CAMEL-Subscription-Information of subscriber equipment;
Small data transmission unit, for carrying out uplink small data transmission by described MTC-IWF entity.
6. device according to claim 5, it is characterized in that, described MTC-IWF entity determining unit, when according to subscriber equipment outer logo, determine MTC-IWF entity, or, according to the fully qualified domain name FQDN of the MTC-IWF entity of static configuration, when determining MTC-IWF entity, being by sending inquiry request to name server, from the response results that name server returns, determining MTC-IWF entity.
7. device according to claim 5, is characterized in that, the uplink small data that described small data receiving element receives, and is the small data quantity data encapsulated by up NAS message; Or, be the machine type communication device triggered report MTC Device Trigger Report message encapsulated by up NAS message.
8. device according to claim 5, is characterized in that, described small data transmission unit, specifically for:
By T5a interface or T5b interface, uplink small data is sent to described MTC-IWF entity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110435151.6A CN102547658B (en) | 2011-12-22 | 2011-12-22 | Method and device for transmitting data |
| PCT/CN2012/080750 WO2013091397A1 (en) | 2011-12-22 | 2012-08-30 | Data transmitting method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110435151.6A CN102547658B (en) | 2011-12-22 | 2011-12-22 | Method and device for transmitting data |
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| CN102547658A CN102547658A (en) | 2012-07-04 |
| CN102547658B true CN102547658B (en) | 2015-04-15 |
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| WO (1) | WO2013091397A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102547658B (en) * | 2011-12-22 | 2015-04-15 | 电信科学技术研究院 | Method and device for transmitting data |
| EP2880885B1 (en) | 2012-08-03 | 2019-10-30 | Nokia Solutions and Networks Oy | Data transmission |
| CN103796188B (en) * | 2012-11-02 | 2017-06-06 | 华为终端有限公司 | The method and apparatus of downlink transmission data |
| CN103813276A (en) * | 2012-11-06 | 2014-05-21 | 中兴通讯股份有限公司 | Information sending method, MTC server, user equipment, and MTC system |
| CN104080123B (en) * | 2013-03-27 | 2018-05-11 | 华为终端有限公司 | The method and apparatus of machine type communication |
| EP3024259B1 (en) | 2013-08-15 | 2018-10-03 | Huawei Technologies Co., Ltd. | Data routing method and device |
| CN104811921B (en) * | 2014-01-26 | 2019-02-26 | 电信科学技术研究院 | Information notice, RRC Connection Release control method and equipment |
| CN116326142A (en) * | 2020-09-29 | 2023-06-23 | 上海诺基亚贝尔股份有限公司 | Configuration of small data transmission |
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| CN102056266A (en) * | 2009-11-06 | 2011-05-11 | 中兴通讯股份有限公司 | Method and system for access control of machine type communication (MTC) terminal |
| CN102202270A (en) * | 2010-03-24 | 2011-09-28 | 中兴通讯股份有限公司 | Machine type communication (MTC)-based message transmission method and interworking functional entity |
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| CN102547658A (en) | 2012-07-04 |
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