CN104105214A - Data transmission method and device - Google Patents
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- CN104105214A CN104105214A CN201310111565.2A CN201310111565A CN104105214A CN 104105214 A CN104105214 A CN 104105214A CN 201310111565 A CN201310111565 A CN 201310111565A CN 104105214 A CN104105214 A CN 104105214A
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Abstract
The invention discloses a data transmission method and device. The method comprises the following steps: a random access request is sent to an access network node; and after uplink authorization information returned by the access network node is received, a data packet of which the resource quantity is not greater than the resource quantity indicated by the uplink authorization information is generated and sent to a base station, wherein the data packet carries uplink data to be sent and the identification information of a pre-established core network side data link to indicate that the uplink data to be sent is transmitted through the pre-established core network side data link. In the transmission process, an access network side data link (for example, DRB) and a core network side data link (for example, GTP tunnel) do not need to be established, so the signaling required by establishing and maintaining user place data links can be reduced, so that the system overhead can be reduced, and the system efficiency can be improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of data transmission method and device.
Background technology
Universal mobile telecommunications system (Universal Mobile Telecommunications System, and Long Term Evolution (Long Term Evolution UMTS), LTE) user plane data transfer of system is respectively based on grouping system (Packet System, PS) carrying and evolved packet system (Evolved Packet System, EPS) have carried data route.EPS carrying comprises radio bearer and GTP(GPRS Tunneling Protocol, GPRS Tunnel Protocol) tunnel.Radio bearer refers to the carrying of wireless network side, i.e. Data Radio Bearer (Data Radio Bearer, DRB).GTP tunnel is made up of S1 carrying (carrying between evolved base station (eNB) and SGW) and S5/S8 carrying (carrying between SGW and PGW).Wherein, GTP be one group IP-based, for support the communications protocol of general packet radio service (General Packet Radio Service, GPRS) in global system for mobile communications (Global System of Mobile communication, GSM) and UMTS network.SGW(SGSN Serving Gateway) be SGSN(Serving GPRS Support Node) gateway, SGSN is GPRS(General Packet Radio Service, general packet radio service) serving GPRS support node.PGW(Packet Date Network Gateway) be grouped data network gateway.
S1 carrying is called again S1-U carrying.S1-U carries two ports, and downlink port is at radio network controller (Radio Network Controller, RNC)/eNB, and uplink port is at SGW.
In PS/EPS loading establishing process, RNC/eNB distributes the lower line identifier (the termination point of a tunnel mark (Tunnel Endpoint IDentifier, TEID) of user's face transport layer address+RNC/eNB S1-U carrying of RNC/eNB) of S1-U carrying; SGW distributes the upper line identifier (TEID of user's face transport layer address+SGW S1-U carrying of SGW) of S1-U carrying.Wherein, user's face transport layer address is IP address.
Machine Type (Machine-type communication, MTC) communication is as a kind of novel communication theory, its objective is the communication technology of number of different types is organically combined, as: machine is to machine communication, apparatus control communication, man-machine interaction communication, mobile interconnected communication, thus the development of promotion social production and life style.MTC communication is called again machinery compartment (Machine-to-machine, M2M) communication or Internet of Things.
At present, there is the core-network side solution of utilizing existing mobile communications network to support MTC communication.But also do not utilize existing mobile communications network to support the Access Network side solution of MTC communication.Between MTC terminal and network side, only carry out the communication of small data quantity, if realize the transfer of data of MTC communication according to the data transfer mode of existing mobile communications network, can produce larger signaling consumption, cause system effectiveness lower.
Summary of the invention
The object of this invention is to provide a kind of data transmission method and device, to realize the Access Network side solution of MTC communication.
The object of the invention is to be achieved through the following technical solutions:
A kind of data transmission method, comprising:
Initiate random access request to access network node;
Receive after the uplink authorization information that described access network node returns, generation be not more than the instruction of described uplink authorization information stock number packet and send to described access network node, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, to indicate the described upstream data to be sent of core-network side data link transmission of setting up in advance by described.
A kind of data transmission method, comprising:
The random access request that receiving terminal sends;
For described terminal is carried out uplink authorization, and send uplink authorization information to described terminal;
Receive the packet of the stock number that is not more than described uplink authorization information instruction that described terminal generates, in described packet, carry upstream data to be sent and the identification information of the core-network side data link of foundation in advance;
The core-network side data link in advance set up corresponding by described identification information sends the upstream data carrying in described packet to core net node.
A kind of terminal, comprising:
Random access processing module, for initiating random access request to access network node;
Data transmission module, for receiving after the uplink authorization information that described access network node returns, generation be not more than the instruction of described uplink authorization information stock number packet and send to described access network node, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, to indicate the described upstream data to be sent of core-network side data link transmission of setting up in advance by described.
A kind of access network node, comprising:
Random access processing module, the random access request sending for receiving terminal, for described terminal is carried out uplink authorization, and sends uplink authorization information to described terminal;
Data transmission module, be used for the packet of the stock number that receives the described uplink authorization information instruction of being not more than of described terminal generation, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, the core-network side data link in advance set up corresponding by described identification information sends the upstream data carrying in described packet to core net node.
The technical scheme that the embodiment of the present invention provides, terminal sends to access network node by upstream data to be sent in random access procedure, and to access network node indicating user transmit this upstream data in advance set up core-network side data link, this upstream data is sent to core net node by the core-network side data link that access network node is indicated by terminal.In transmitting procedure, do not need to set up the data link (for example DRB) of Access Network side and the data link (as GTP tunnel) of core-network side, therefore reduced foundation and the required signaling of maintenance customer's face data link, reduced overhead, improved system effectiveness.
Brief description of the drawings
The end side method flow diagram that Fig. 1 provides for the embodiment of the present invention;
The access network node side method flow diagram that Fig. 2 provides for the embodiment of the present invention;
The method signaling diagram of the LTE system that is applied to that Fig. 3 provides for the embodiment of the present invention;
The method signaling diagram of the TD-SCDMA system that is applied to that Fig. 4 provides for the embodiment of the present invention;
The method signaling diagram of the WCDMA system that is applied to that Fig. 5 provides for the embodiment of the present invention;
The terminal structure schematic diagram that Fig. 6 provides for the embodiment of the present invention;
The access network node schematic diagram that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Utilize existing mobile communications network to support that a kind of possible solution of core net of MTC communication is based on fast path (Fast Path) or without connecting (Connectionless) transmission plan.In Fast Path or Connectionless transmission plan:
Adhere to or tracing section updating (Tracking Area Update in terminal, TAU) in process, Mobility Management Entity (MME) is set up core-network side data link for terminal, and be this core-network side data link Resources allocation mark, between this resource identification and the upper line identifier of core-network side data link, there are mapping relations.The resource identification of this core-network side data link is sent to terminal by MME, and terminal is preserved this resource identification.
Taking LTE system as example, core-network side data link can be GTP tunnel, and above-mentioned resource identification can be expressed as SGW carrying (SGW Bearer) index mark (ID).Mapping relations between resource identification and the upper line identifier of core-network side data link can be presented as: the mapping relations of SGW Bearer index ID and the TEID of SGW S1-U carrying and user's face transport layer address of SGW.Core-network side data link can also be public data network (Public Data Network, PDN) link, and above-mentioned resource identification can be expressed as connection identifier (CONNECTION ID).Mapping relations between resource identification and the upper line identifier of core-network side data link can be presented as uplink port identification information and/or the upper row address information that CONNECTION ID and PDN link.
The activationary time of above-mentioned core-network side data link is by Timer Controlling.
For Access Network side, the embodiment of the present invention provides a kind of data transmission method, corresponding terminal and access network node.In the embodiment of the present invention, terminal sends to access network node by upstream data to be sent in random access procedure, and to access network node indicating user transmit this upstream data in advance set up core-network side data link, this upstream data is sent to core net node by the core-network side data link that access network node is indicated by terminal.In transmitting procedure, do not need to set up the data link (for example DRB) of Access Network side and the data link (as GTP tunnel) of core-network side, therefore reduced foundation and the required signaling of maintenance customer's face data link, reduced overhead, improved system effectiveness.
The core-network side data link of setting up in advance in the embodiment of the present invention terminal adhere to or TAU process in the core-network side data link set up.
The technical scheme that the embodiment of the present invention provides is particularly useful for the application scenarios of the transmitting uplink data of small data quantity.Small data quantity business of for example MTC communication, intelligent terminal etc.
Especially, for other communication scenes outside MTC communication, can terminal adhere to or TAU process in while setting up core-network side data link, be this core-network side data link Resources allocation mark.Same, terminal is preserved this resource identification, and there are mapping relations in the upper line identifier of this resource identification and core-network side data link.
In the embodiment of the present invention, small data quantity refers to the data volume size that is less than the threshold value of the data volume for judging data volume size.The concrete value of this data volume threshold value can be by emulation, make an appointment, high-level signaling configuration etc. mode is determined.
Below in conjunction with accompanying drawing, the technical scheme that the embodiment of the present invention is provided is elaborated.
Figure 1 shows that end side that the embodiment of the present invention provides carries out the method flow of transfer of data, its specific implementation comprises:
Step 100, to access network node initiate random access request.
Step 110, receive after the uplink authorization information that this access network node returns, generate the packet of the stock number that is not more than this uplink authorization information instruction and send to this access network node.
Wherein, the identification information of core-network side data link that carries upstream data to be sent in this packet and set up in advance, to indicate the core-network side data link of setting up in advance by this to transmit upstream data to be sent.
In the embodiment of the present invention, the identification information of core-network side data link can be both the resource identification of core-network side data link, can be also the upper line identifier of core-network side data link.Taking be GTP tunnel as example, the identification information of this GTP tunnel can be both SGW Bearer index ID, can be also the TEID of SGW S1-U carrying, can also be user's face transport layer address of SGW.Be linked as example with PDN, the identification information of this PDN can be both CONNECTION ID, can be also the uplink port identification information of PDN link, can also be the upper row address information that PDN connects.
But in security consideration, preferred, resource identification is transmitted in network as identification information.
In the embodiment of the present invention, if terminal has been set up multiple core-network side data link in advance, preserve the identification information of multiple core-network side data link of setting up in advance.Can select a core-network side data link corresponding to identification information to carry out transmitting uplink data.If terminal is only preserved an identification information, select the core-network side data link that this identification information is corresponding to carry out transmitting uplink data.
The technical scheme that the embodiment of the present invention provides can be applied to synchronous code division multiple access (the Time Division-Synch ronous Code Division Multiple Access of time-division of LTE system, UMTS, TD-SCDMA) Wideband Code Division Multiple Access (WCDMA) of system, UMTS (Wideband Code Division Multiple Access, WCDMA) system etc.
In LTE system, access network node is eNB.In UMTS system, access network node is base station and RNC.
If the method that the embodiment of the present invention provides is applied in LTE system, by the Packet Generation generating to access network node after, terminal receives the packet solving for completing competition that this access network node returns.This packet that has been used for competition solution carries the identification information of the above-mentioned core-network side data link of setting up in advance; If the identification information of the core-network side data link of setting up in advance that access network node returns is identical with the identification information of the core-network side data link of setting up in advance of preservation, determine that competition solves.If different, competition solves unsuccessfully, and initiating random access procedure is to resend upstream data again.
If the method that the embodiment of the present invention provides is applied in LTE system or WCDMA system, before initiating random access request to access network node, terminal can also be determined the data volume size of upstream data to be sent, when determining that the data volume of upstream data to be sent is greater than data volume threshold value corresponding to the leading code character of expansion, select the lead code in the leading code character of expansion, the lead code of expanding in leading code character by transmission is initiated random access request to access network node.
In original random access procedure, terminal is receiving after uplink authorization information, can generate the packet connecting for setting up RRC according to the stock number of this uplink authorization information instruction.And in the embodiment of the present invention, receive and do not set up RRC after uplink authorization information and connect, but by Packet Generation upstream data and above-mentioned identification information.Need so the data attribute of packet to expand, definition upstream data identification information is used to refer to this packet for carrying upstream data to be sent.Accordingly, based on above-mentioned arbitrary end side embodiment of the method, preferably, be not more than in the packet of stock number of above-mentioned uplink authorization information instruction and can also carry upstream data identification information, so that access network node is determined and carried upstream data to be sent in this packet according to this upstream data identification information.
Based on above-mentioned arbitrary end side embodiment of the method, when the stock number of indicating in uplink authorization information is less than data volume waiting for transmission, can, by upstream data segmentation to be sent, send upstream data by the transmitting procedure that repeatedly the invention described above embodiment provides.
Based on above-mentioned arbitrary end side embodiment of the method, when the stock number of indicating in uplink authorization information is larger, the specific implementation that generation is not more than the packet of the stock number of uplink authorization information instruction can be: multiple upstream datas to be sent compositions are not more than to the packet of the stock number of described uplink authorization information instruction, also carry the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance in described packet.
Figure 2 shows that the access network node side that the embodiment of the present invention provides carries out data transmission method flow process, its specific implementation comprises:
The random access request that step 200, receiving terminal send.
Step 210, carry out uplink authorization for this terminal, and send uplink authorization information to this terminal.
Step 220, receive the packet of the stock number that is not more than this uplink authorization information instruction that this terminal generates.
The identification information of the core-network side data link of carrying upstream data to be sent in this packet and set up in advance.
Step 230, send by the core-network side data link of setting up in advance corresponding to this identification information the upstream data carrying in packet to core net node.
If this identification information is the resource identification of core network data link, concrete, access network node is according to the mapping relations of the upper line identifier of resource identification and core-network side data link, obtain the upper line identifier of this core-network side data link, in this core-network side data link, send upstream data to core net node according to this up identification information.
As mentioned above, the technical scheme that the embodiment of the present invention provides can be applied to the TD-SCDMA system of LTE system, UMTS, WCDMA system of UMTS etc.If be applied in UMTS system, access network node is base station and RNC.Accordingly, the random access request being sent by base station receiving terminal, for this terminal is carried out uplink authorization, and sends uplink authorization information to this terminal.Received by base station after the packet of the stock number that is not more than this uplink authorization information instruction of this terminal generation, this Packet Generation, to RNC, is sent to the upstream data carrying in packet by RNC by the core-network side data link of setting up in advance corresponding to this identification information to core net node.
If the method that the embodiment of the present invention provides is applied in LTE system,, after the packet of the stock number that is not more than the instruction of uplink authorization information of receiving terminal generation, access network node sends and has been used for the packet that competition solves to terminal.This packet that has been used for competition solution carries the identification information of the above-mentioned core-network side data link of setting up in advance.
If the method that the embodiment of the present invention provides is applied in LTE system or WCDMA system, the specific implementation of random access request that receiving terminal sends can be: receive the lead code in the leading code character of the expansion as random access request that described terminal sends.The specific implementation that sends the upstream data carrying in described packet to core net node can be: according to the lead code in the leading code character of described expansion, determine in described packet and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
Based on above-mentioned arbitrary access network node side embodiment of the method, preferably, in the packet that terminal sends, can also carry upstream data identification information, the upstream data identification information carrying in the packet that access network node sends according to terminal, determine in this packet and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by identification information sends this upstream data to core net node.
Based on above-mentioned arbitrary access network node side embodiment of the method, in the packet that described terminal sends, carry the packet of multiple upstream data to be sent compositions and the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance, send the upstream data carrying in described packet to core net node, comprising: determine according to identification information the core-network side data link of setting up in advance that each upstream data to be sent is corresponding; Send described upstream data by the core-network side data link of setting up in advance corresponding to each upstream data to be sent to core net node respectively.
Taking the transfer of data implementation in LTE system as example, adopt the method that the embodiment of the present invention provides to coordinate the specific implementation of implementing to be elaborated to terminal and access network node.Its process as shown in Figure 3, specifically comprises following operation:
Step 300, terminal are selected lead code according to the size of upstream data waiting for transmission, and by Msg1, the lead code of selection are sent to eNB, with initiating random access procedure.
In this embodiment, upstream data waiting for transmission is small data quantity data.
Concrete, if this upstream data is first biography, the size of upstream data is not more than data volume threshold value messageSizeGroupA corresponding to B group lead code (preamble), from A group lead code (Group A), selects at random a preamble; An otherwise preamble of random selection in B group lead code (Group B).
If small data is to retransmit, identical leading code character when selecting and just passing, preamble of selection random in this group initiates to access at random.
Consider under some scene, the relative RRC connection request of size (RRCconnectionrequest) message of upstream data to be sent, that RRC reconnects (RRCreconnectionrequest) message is larger, and hope can distribute larger stock number to send as early as possible data by eNB.Optionally, can also allocate in advance and comprise at least one lead code scheduling C group lead code (Group C, expand leading code character), network side can use the threshold value messageSizeGroupB(of Group C to expand data volume threshold value corresponding to leading code character by broadcast configuration terminal), power excursion (messagePowerOffsetGroupC), so, when upstream data to be sent is greater than messageSizeGroupB, and power meets PCMAX – preambleInitialReceivedTargetPower – deltaPreambleMsg3 – messagePowerOffsetGroupB>0.In Group C, preamble of random selection sends.
Step 310, after eNB receives the preamble of UE, carry out uplink authorization according to the leading code character at this preamble place, uplink authorization information exchange is crossed to Msg2 message and send to terminal, and distribute interim Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI) for Msg3 scrambling.
If this lead code is the lead code in Group C, eNB is the stock number that terminal distribution is larger, and definite terminal will send upstream data in random access procedure.The stock number size that Group C is corresponding can be determined by emulation or actual demand.
Step 320, terminal are according to the stock number size of the uplink authorization information instruction in Msg2, carry out the group bag of Msg3 MAC layer user grouping data cell (MAC PDU), comprising upstream data to be sent and determine for transmitting the identification information of core-network side data link of this upstream data, the Msg3 of the C-RNTI scrambling distributing in the transmission of Msg3 sends with Msg2 opportunity.
Wherein, terminal determine for transmit this upstream data core-network side data link can but be not limited only to the data link that to be terminal attaching process or TAU process set up with core-network side.
Optionally, also carrying upstream data quantitative character information in above-mentioned Msg3, is upstream data to be sent to indicate what carry in this Msg3 of eNB, but not rrc message.
For example and without limitation, can be using the value of the LCID territory instruction in the subheader in MAC SDU or MAC CE as upstream data quantitative character information.
If there are multiple upstream datas to be sent to transmit in Msg3, the identification information of each upstream data to be sent and corresponding core-network side data link can be encapsulated in a MAC CE of PDU.
Step 330, after eNB receives the Msg3 that terminal sends, by send the Msg4 that be used for competition solution to terminal, in the MAC PDU in Msg4, carry the identification information of above-mentioned core-network side data link.
Whether the identification information carrying in step 340, terminal judges Msg4 is identical with the identification information that terminal is preserved, if identical, competition has solved, notice eNB execution step 350, otherwise, return to step 300, and notify eNB not send the upstream data in Msg3.
Step 350, eNB send by the core-network side data link corresponding to identification information of carrying in Msg3 the upstream data carrying in Msg3 to core net node.
Concrete, eNB is according to the upstream data identification information carrying in Msg3, determine and in this Msg3, carry upstream data to be sent, and then according to the identification information carrying in Msg3, determine that core net side data links the address of corresponding core net node, by this core network data link, to the address of this core net node, corresponding core net node sends upstream data.If eNB determines that in step 310 terminal will send upstream data in random access procedure, in step 350, can be not yet do not determine and in this Msg3, carry upstream data to be sent according to upstream data identification information.
If terminal still has upstream data to need to send, repeat above-mentioned flow process.
Taking the transfer of data implementation in TD-SCDMA system as example, adopt the method that the embodiment of the present invention provides to coordinate the specific implementation of implementing to be elaborated to terminal and access network node.Its process as shown in Figure 4, specifically comprises following operation:
Step 400, terminal send SYNC-UL to base station, with initiating random access procedure.
FPACH is returned to terminal in step 410, base station.
Step 420, terminal are selected public E-RNTI according to subframe numbers or the frame number of initiating E-RUCCH, and by E-RUCCH, the public E-RNTI selecting are sent to base station, initiate to carry the SI process of schedule information.
Terminal distribution uplink authorization is given in step 430, base station in descending E-AGCH channel, and uplink authorization information is sent to terminal.
Step 440, terminal are carried out MAC PDU group bag according to the stock number size of uplink authorization information instruction, comprising upstream data to be sent and determine for transmitting the identification information of core-network side data link of this upstream data, and on E-PUCH channel by this Packet Generation to base station.
Wherein, terminal determine for transmit this upstream data core-network side data link can but be not limited only to the data link that to be terminal attaching process or TAU process set up with core-network side.
Optionally, in above-mentioned MAC PDU packet, also carrying upstream data quantitative character information, is upstream data to be sent to indicate what carry in this packet of base station, but not rrc message.
For example and without limitation, can be using the value of the LCID territory instruction in the subheader in MAC SDU or MAC CE as upstream data quantitative character information.
If there are multiple upstream datas to be sent to transmit in above-mentioned MAC PDU, the identification information of each upstream data to be sent and corresponding core-network side data link can be encapsulated in a MAC CE of PDU.
Step 450, base station send to RNC by FP process by the identification information of the core-network side data link of upstream data to be sent and correspondence.
Step 460, RNC send by core-network side data link corresponding to identification information the upstream data carrying in Msg3 to core net node.
If terminal still has upstream data to need to send, repeat above-mentioned flow process.
Taking the transfer of data implementation in WCDMA system as example, adopt the method that the embodiment of the present invention provides to coordinate the specific implementation of implementing to be elaborated to terminal and access network node.Its process as shown in Figure 5, specifically comprises following operation:
Step 500, terminal are selected lead code according to the size of upstream data waiting for transmission, and by Msg1, the lead code of selection are sent to base station, with initiating random access procedure.
In this embodiment, upstream data waiting for transmission is small data quantity data.
Concrete, if this upstream data is just to pass, the size of upstream data is not more than data volume threshold value messageSizeGroupA corresponding to B group lead code, organizes the random preamble of selection lead code (Group A) from A; An otherwise preamble of random selection in B group lead code (Group B).
If small data is to retransmit, identical leading code character when selecting and just passing, preamble of selection random in this group initiates to access at random.
Consider under some scene, the relative RRC connection request of size (RRCconnectionrequest) message of upstream data to be sent, that RRC reconnects (RRCreconnectionrequest) message is larger, and hope can distribute larger stock number to send as early as possible data by eNB.Optionally, can also allocate in advance and comprise at least one lead code scheduling C group lead code (Group C), network side can use by broadcast configuration terminal the threshold value messageSizeGroupB of Group C, power excursion (messagePowerOffsetGroupC), so, when upstream data to be sent is greater than messageSizeGroupB, and power meets PCMAX – preambleInitialReceivedTargetPower – deltaPreambleMsg3 – messagePowerOffsetGroupB>0.In Group C, preamble of random selection sends.
Step 510, after eNB receives the preamble of UE, carry out uplink authorization according to the leading code character at this preamble place, uplink authorization information exchange is crossed to AICH channel and sends to terminal.
If this lead code is the lead code in Group C, eNB is the stock number that terminal distribution is larger, and definite terminal will send upstream data in random access procedure.The stock number size that Group C is corresponding can be determined by emulation or actual demand.
Step 520, terminal are according to the stock number size of uplink authorization information instruction, carry out the group bag of MAC-i PDU, comprising upstream data to be sent and determine for transmitting the identification information of core-network side data link of this upstream data, and send this packet by the E-DCH channel of broadcast configuration.
Wherein, terminal determine for transmit this upstream data core-network side data link can but be not limited only to the data link that to be terminal attaching process or TAU process set up with core-network side.
Optionally, also carrying upstream data quantitative character information in above-mentioned MAC-i PDU, is upstream data to be sent to indicate what carry in this packet of base station, but not rrc message.
For example and without limitation, can be using the value of the LCID territory instruction in the subheader in MAC SDU or MAC CE as upstream data quantitative character information.
If there are multiple upstream datas to be sent to transmit in MAC PDU, the identification information of each upstream data to be sent and corresponding core-network side data link can be encapsulated in a MAC CE of PDU.
Step 530, base station send to RNC by FP process by the identification information of the core-network side data link of upstream data to be sent and correspondence.
Step 540, RNC send by core-network side data link corresponding to identification information the upstream data carrying in Msg3 to core net node.
If terminal still has upstream data to need to send, repeat above-mentioned flow process.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, and its structure as shown in Figure 6, specifically comprises:
Random access processing module 601, for initiating random access request to access network node;
Data transmission module 602, for receiving after the uplink authorization information that described access network node returns, generation be not more than the instruction of described uplink authorization information stock number packet and send to described access network node, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, to indicate the described upstream data to be sent of core-network side data link transmission of setting up in advance by described.
Preferably, in LTE system, described data transmission module 602 is given the Packet Generation generating after described access network node, described random access processing module 601 also for:
Receive the packet solving for completing competition that described access network node returns, the identification information of the core-network side data link of setting up in advance described in the described packet of competing solution for completing carries;
If the identification information of the core-network side data link of setting up in advance that described access network node returns is identical with the identification information of the core-network side data link of setting up in advance of preservation, determine that competition solves.
Preferably, in LTE system or WCDMA system, initiate before random access request to access network node, described random access processing module 601 also for:
The data volume of determining described upstream data to be sent is greater than data volume threshold value corresponding to the leading code character of expansion, selects the lead code in the leading code character of described expansion;
Initiate when random access request to access network node, described random access processing module specifically for:
Initiate random access request by the lead code sending in the leading code character of described expansion to described access network node.
Based on above-mentioned arbitrary end side embodiment, preferably, be not more than in the packet of stock number of described uplink authorization information instruction and also carry upstream data identification information.
Based on above-mentioned arbitrary end side embodiment, preferably, while generating the packet of the stock number that is not more than the instruction of described uplink authorization information, described data transmission module 602 specifically for:
Multiple upstream datas to be sent composition is not more than to the packet of the stock number of described uplink authorization information instruction, in described packet, also carries the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance.
The specific implementation of terminal embodiment can, with reference to the description of above-mentioned end side embodiment of the method, repeat no more here.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of access network node, and its structure as shown in Figure 7, specifically comprises:
Random access processing module 701, the random access request sending for receiving terminal, for described terminal is carried out uplink authorization, and sends uplink authorization information to described terminal;
Data transmission module 702, be used for the packet of the stock number that receives the described uplink authorization information instruction of being not more than of described terminal generation, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, the core-network side data link in advance set up corresponding by described identification information sends the upstream data carrying in described packet to core net node.
Preferably, in LTE system, after described data transmission module receives the packet of the stock number that is not more than described uplink authorization information instruction that described terminal generates, described random access processing module 701 also for:
Send and be used for the packet that competition solves to described terminal, the identification information of the core-network side data link of setting up in advance described in the described packet of competing solution for completing carries.
Preferably, in LTE system or WCDMA system, while receiving the random access request that described terminal sends, described random access processing module 701 specifically for:
Receive the lead code in the leading code character of the expansion as random access request that described terminal sends;
Described data transmission module 702 specifically for:
According to the lead code in the leading code character of described expansion, to determine in described packet and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
Based on above-mentioned arbitrary access network node embodiment, preferably, in the packet that described terminal sends, also carry small data quantity identification information, described small data quantity refers to the data volume size that is less than data volume threshold value, while sending to core net node the upstream data carrying in described packet, described data transmission module 702 specifically for:
The upstream data identification information carrying in the packet sending according to described terminal, determine in the packet that described terminal sends and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
Based on above-mentioned arbitrary access network node embodiment, preferably, in the packet that described terminal sends, carry the packet of multiple upstream data to be sent compositions and the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance, while sending to core net node the upstream data carrying in described packet, described data processing module 702 specifically for:
Determine according to identification information the core-network side data link of setting up in advance that each upstream data to be sent is corresponding;
Send described upstream data by the core-network side data link of setting up in advance corresponding to each upstream data to be sent to core net node respectively.
The specific implementation of base station embodiment can, with reference to the description of above-mentioned base station side embodiment of the method, repeat no more here.
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 complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by 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 the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (20)
1. a data transmission method, is characterized in that, comprising:
Initiate random access request to access network node;
Receive after the uplink authorization information that described access network node returns, generation be not more than the instruction of described uplink authorization information stock number packet and send to described access network node, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, to indicate the described upstream data to be sent of core-network side data link transmission of setting up in advance by described.
2. method according to claim 1, is characterized in that, in Long Term Evolution LTE system, the Packet Generation generating is given after described access network node, and the method also comprises:
Receive the packet solving for completing competition that described access network node returns, the identification information of the core-network side data link of setting up in advance described in the described packet of competing solution for completing carries;
If the identification information of the core-network side data link of setting up in advance that described access network node returns is identical with the identification information of the core-network side data link of setting up in advance of preservation, determine that competition solves.
3. method according to claim 1, is characterized in that, in LTE system or Wideband Code Division Multiple Access (WCDMA) WCDMA system, before initiating random access request to access network node, the method also comprises:
The data volume of determining described upstream data to be sent is greater than data volume threshold value corresponding to the leading code character of expansion, selects the lead code in the leading code character of described expansion;
Initiate random access request to access network node, comprising:
Initiate random access request by the lead code sending in the leading code character of described expansion to described access network node.
4. according to the method described in claim 1～3 any one, it is characterized in that, be not more than in the packet of stock number of described uplink authorization information instruction and also carry upstream data identification information.
5. according to the method described in claim 1～3 any one, it is characterized in that, generate the packet of the stock number that is not more than described uplink authorization information instruction, comprising:
Multiple upstream datas to be sent composition is not more than to the packet of the stock number of described uplink authorization information instruction, in described packet, also carries the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance.
6. a data transmission method, is characterized in that, comprising:
The random access request that receiving terminal sends;
For described terminal is carried out uplink authorization, and send uplink authorization information to described terminal;
Receive the packet of the stock number that is not more than described uplink authorization information instruction that described terminal generates, in described packet, carry upstream data to be sent and the identification information of the core-network side data link of foundation in advance;
The core-network side data link in advance set up corresponding by described identification information sends the upstream data carrying in described packet to core net node.
7. method according to claim 6, is characterized in that, in LTE system, after receiving the packet of stock number of described uplink authorization information instruction of being not more than of described terminal generation, the method also comprises:
Send and be used for the packet that competition solves to described terminal, the identification information of the core-network side data link of setting up in advance described in the described packet of competing solution for completing carries.
8. method according to claim 6, is characterized in that, in LTE system or WCDMA system, receives the random access request that described terminal sends, and comprising: receive the lead code in the leading code character of the expansion as random access request that described terminal sends;
Send the upstream data carrying in described packet to core net node, comprising:
According to the lead code in the leading code character of described expansion, to determine in described packet and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
9. according to the method described in claim 6～8 any one, it is characterized in that, in the packet that described terminal sends, also carry upstream data identification information, send the upstream data carrying in described packet to core net node, comprising:
The upstream data identification information carrying in the packet sending according to described terminal, determine in the packet that described terminal sends and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
10. according to the method described in claim 6～8 any one, it is characterized in that, in the packet that described terminal sends, carry the packet of multiple upstream data to be sent compositions and the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance, send the upstream data carrying in described packet to core net node, comprising:
Determine according to identification information the core-network side data link of setting up in advance that each upstream data to be sent is corresponding;
Send described upstream data by the core-network side data link of setting up in advance corresponding to each upstream data to be sent to core net node respectively.
11. 1 kinds of terminals, is characterized in that, comprising:
Random access processing module, for initiating random access request to access network node;
Data transmission module, for receiving after the uplink authorization information that described access network node returns, generation be not more than the instruction of described uplink authorization information stock number packet and send to described access network node, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, to indicate the described upstream data to be sent of core-network side data link transmission of setting up in advance by described.
12. terminals according to claim 11, is characterized in that, in LTE system, described data transmission module is given the Packet Generation generating after described access network node, described random access processing module also for:
Receive the packet solving for completing competition that described access network node returns, the identification information of the core-network side data link of setting up in advance described in the described packet of competing solution for completing carries;
If the identification information of the core-network side data link of setting up in advance that described access network node returns is identical with the identification information of the core-network side data link of setting up in advance of preservation, determine that competition solves.
13. terminals according to claim 11, is characterized in that, in LTE system or WCDMA system, initiate before random access request to access network node, described random access processing module also for:
The data volume of determining described upstream data to be sent is greater than data volume threshold value corresponding to the leading code character of expansion, selects the lead code in the leading code character of described expansion;
Initiate when random access request to access network node, described random access processing module specifically for:
Initiate random access request by the lead code sending in the leading code character of described expansion to described access network node.
14. according to the terminal described in claim 11～13 any one, it is characterized in that, is not more than in the packet of stock number of described uplink authorization information instruction and also carries upstream data identification information.
15. according to the terminal described in claim 11～13 any one, it is characterized in that, while generating the packet of the stock number that is not more than the instruction of described uplink authorization information, described data transmission module specifically for:
Multiple upstream datas to be sent composition is not more than to the packet of the stock number of described uplink authorization information instruction, in described packet, also carries the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance.
16. 1 kinds of access network nodes, is characterized in that, comprising:
Random access processing module, the random access request sending for receiving terminal, for described terminal is carried out uplink authorization, and sends uplink authorization information to described terminal;
Data transmission module, be used for the packet of the stock number that receives the described uplink authorization information instruction of being not more than of described terminal generation, the identification information of the core-network side data link of carrying upstream data to be sent in described packet and set up in advance, the core-network side data link in advance set up corresponding by described identification information sends the upstream data carrying in described packet to core net node.
17. access network nodes according to claim 16, it is characterized in that, in LTE system, after described data transmission module receives the packet of the stock number that is not more than described uplink authorization information instruction that described terminal generates, described random access processing module also for:
Send and be used for the packet that competition solves to described terminal, the identification information of the core-network side data link of setting up in advance described in the described packet of competing solution for completing carries.
18. access network nodes according to claim 16, is characterized in that, in LTE system or WCDMA system, while receiving the random access request that described terminal sends, described random access processing module specifically for:
Receive the lead code in the leading code character of the expansion as random access request that described terminal sends;
Described data transmission module specifically for:
According to the lead code in the leading code character of described expansion, to determine in described packet and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
19. according to the access network node described in claim 16～18 any one, it is characterized in that, in the packet that described terminal sends, also carry upstream data identification information, while sending to core net node the upstream data carrying in described packet, described data transmission module specifically for:
The upstream data identification information carrying in the packet sending according to described terminal, determine in the packet that described terminal sends and carry after upstream data to be sent, the core-network side data link in advance set up corresponding by described identification information sends described upstream data to core net node.
20. according to the access network node described in claim 16～18 any one, it is characterized in that, in the packet that described terminal sends, carry the packet of multiple upstream data to be sent compositions and the identification information of the data link that core net corresponding to each upstream data to be sent set up in advance, while sending to core net node the upstream data carrying in described packet, described data processing module specifically for:
Determine according to identification information the core-network side data link of setting up in advance that each upstream data to be sent is corresponding;
Send described upstream data by the core-network side data link of setting up in advance corresponding to each upstream data to be sent to core net node respectively.
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210601 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |