CN109526008A - A kind of selection method for wireless communication system transmission mode - Google Patents
A kind of selection method for wireless communication system transmission mode Download PDFInfo
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- CN109526008A CN109526008A CN201811581022.6A CN201811581022A CN109526008A CN 109526008 A CN109526008 A CN 109526008A CN 201811581022 A CN201811581022 A CN 201811581022A CN 109526008 A CN109526008 A CN 109526008A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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Abstract
The present invention provides a kind of selection method for wireless communication system transmission mode, the described method comprises the following steps: S1. intercepts and captures reading terminals status command；S2. intercepted data packet transmission instruction；S3. Intercept and capture service gateway information sends instruction, and downlink data packet notification information is sent to network node by gateway；S4. network node information feedback command is intercepted and captured, downlink data notification feedback information is sent to gateway by network node；S5. it intercepts and captures and obtains the instruction of downlink data packet notification information；S6. the instruction of network node selection mode is intercepted and captured, control plane Optimizing Mode or user face Optimizing Mode are selected；S7. it intercepts and captures network node and sends paging information instruction；S8. it intercepts and captures eNodeB and sends paging information instruction；S9. it intercepts and captures terminal and receives paging information instruction.The selection method can be determined after receiving paging message in internet-of-things terminal using optimal data transmission mode, to save radio resource, while further saving the method for terminal power.
Description
Technical field
The present invention relates to wireless communication fields, more particularly to a kind of selecting party for wireless communication system transmission mode
Method；More specifically, being related to a kind of signaling by wireless communication to select user face or control plane function optimization transmission mode
Method.
Background technique
In the prior art, wireless communication system includes 4G and 5G communication system.Usual 4G, 5G communication system includes terminal
(UE:user equipment), base station (eNodeB:enhanced Node B), mobility management entity (MME:Mobility
Management Entity), gateway (S-GW:Serving Gateway) and grouped data network gateway (P-GW:
Packet Data Network Gateway) etc. entities.
In the core network (EPC:Evolved Packet Core, i.e. 4G core net) of NB-IoT, for Internet of Things industry
The demand characteristics of business, honeycomb Internet of Things (CIoT) define two kinds of prioritization schemes: CIoT evolved packet system (EPS:Evolved
Packet System) user plane functions optimize (User Plane (UP) CIoT EPS optimization) and CIoT EPS is controlled
Face function optimization (Control Plane (CP) CIoT EPS optimization) processed.Control plane function optimization Model Reference
Some mentalities of designing of short-range communication are very suitable to the upload business of low frequency, small data packets, are similar to short message service；And it uses
Family face function optimization mode then can satisfy the transmitting of big data business.And data transmission in advance is just being proposed in access net side 3GPP
(EDT:Early Data Transmission), can be further reduced the transmission of space interface signaling.Whether UP Optimizing Mode,
CP Optimizing Mode or EDT are inherently the simplification of process by wireless communication, save communication calculating and the energy of terminal
Amount consumption, improves data messaging efficiency.
The control plane function optimization mode (CP) of NB-IoT simplifies the control message related with carrying (business) and (establishes
Business, release business, modification business), small data packets are transmitted on control plane, data with Non-Access Stratum (NAS:
Non-Access Stratum) protocol Data Unit (PDU:Packet Data Unit) format be packaged in control plane signaling disappear
Breath is to transmit.This scheme can reduce control plane signaling overheads while transmitting data, therefore help to reduce power consumption of terminal
With reduction service band.It includes the path of two kinds of implementations i.e. two kinds of data transmitting.By both modes, terminal need not
On radio open and network establishes service bearer, so that it may send and receive business datum.Although service bearer need not be established,
But there is still a need for the connections for establishing RRC connection and S1-C for terminal.It is connected in RRC with S1-C and is successfully established and then encapsulates data
It is transmitted in control plane signaling message.
The key property of user plane functions Optimizing Mode (UP) is to introduce wireless heterogeneous networks (RRC:Radio Resource
Control " hang-up/recovery (Suspend/Resume) process ") reduces terminal and repeats the signaling of network insertion and open
Pin.When not having data traffic between terminal and network, terminal is set to suspended state (Suspend) by network, but in terminal and
Still retain original connection configuration data, the configuration including SRB and DRB, the data such as AS layers security configuration in network.Work as end
When re-initiating business, former configuration data can recover immediately (Resume) communication connection at end, with and eliminate and re-start RRC
The processes such as reconfiguration, safety verification reduce the Signalling exchange amount on radio open.Different from control plane Optimizing Mode, in user
In the Optimizing Mode of face, terminal needs and network first establishes Signaling Radio Bearer (SRB:Signaling Radio Bearer) sum number
It, can be in radio channel transmitting data according to radio bearer (DRB:Data Radio Bearer).
It is sent in (EDT:Early Data Transmission) in the data in advance of access net side, small Internet of Things data
It can be sent to network while doing random access with terminal or terminal is issued to by network.Compared with EPS user face
The process of the access net side of Optimizing Mode and control plane Optimizing Mode, EDT, which can further be saved between terminal and network, to be believed
The interaction flow of order quickly sends the data packet of small uplink and downlink, thus more power saving.But since random access disappears
The limitation for ceasing size, using there is stringent control when EDT to the size of data packet, only when data packet is less than its limitation and can
It could be used when being disposably sent.
In existing 3GPP standard control plane function optimization mode be essential option and user plane functions Optimizing Mode be can
Option.The network and terminal all supported for both of which, since the application layer of terminal knows the size of data packet, for terminal
The Internet of Things data for initiating (MO:Mobile Originated) are sent, and terminal can determine to select according to the size of current data packet
Certain Optimizing Mode transmits data.Control plane business request information (the CP-SR:Control that MME can be sent according to terminal
Plane Service Request) in the value of type of service that carries know that terminal has initiated asking using which kind of Optimizing Mode
It asks.
But the Internet of Things data for receiving (MT:Mobile Terminated) for terminal are sent, network is by sending paging
Message (Paging) informs that the terminal under Idle mode has the business of MT to reach, but because terminal can not know data packet
Size can not determine a certain data transfer mode of use according to the size of data packet at any time, can only be according to Preferred
And Supported Network Behaviour is arranged to determine Optimizing Mode.Thus exist according to Preferred and
The Optimizing Mode of Supported Network Behaviour (i.e. preferably with the network behavior of support) information selection is for the number
According to the inappropriate situation of business.3GPP standard also define at RRC connection status (RRC-Connected mode) terminal and
MME can negotiate to change model selection.For example Preferred and Supported Network Behaviour information is excellent
Control plane function optimization mode is first selected, but if user plane functions Optimizing Mode is determined more according to the size of current data packet
When being suitble to, terminal and MME will negotiate and enable user plane functions Optimizing Mode transmission data.But the process only exists
Under RRC connection status (RRC-Connected mode) effectively, i.e., terminal and network are used certain Optimizing Mode and are counted
It needs to be modified to when according to transmission to use when another Optimizing Mode transmission data.It is this first to use Preferred and
Supported Network Behaviour information determines that a kind of Optimizing Mode transmission changes into the mode of another Optimizing Mode again
Obviously waste system resource receives sending time with terminal is increased.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of selection method for wireless communication system transmission mode,
The selection method is optimal Optimizing Mode to be determined according to downlink data packet size, and directly inform Internet of Things end by paging message
End can determine after receiving paging message in internet-of-things terminal and receive MT (Mobile using optimal data transmission mode
Terminated) data to save radio resource, while further saving the method for terminal power.
In order to achieve the above object, The technical solution adopted by the invention is as follows:
A kind of selection method for wireless communication system transmission mode, the described method comprises the following steps:
S1. reading terminals status command is intercepted and captured, the command information that the reading terminals status command carries is sent to logical
Letter system reads the terminal and is in ECM-IDLE state；
The data packet is transmitted the command information that instruction carries and is sent to communication system by S2. intercepted data packet transmission instruction
System, is transmitted to gateway (SGW, Serving Gateway) by PDN Gateway (PGW, PDN Gateway) for data packet, and read
Take the data context (context data) of gateway；
If it is Internet of Things terminal that the data context of gateway, which records the terminal, and corresponding network node is not present
Tunnel endpoint identifier (TEID, the Tunnel in the downlink user face (MME, Mobility Management Entity)
Endpoint ID), then downlink data packet is cached into gateway；
S3. Intercept and capture service gateway information sends instruction, and the Service Gateway info is sent the command information that instruction carries
It is sent to communication system, downlink data packet notification information (Downlink Data Notification) is sent by gateway
To network node；
S4. network node information feedback command is intercepted and captured, the command information that the network node information feedback command is carried
It is sent to communication system, by downlink data notification feedback information (Downlink Data Notification ACK) by the net
Network node is sent to gateway；
S5. it intercepts and captures and obtains the instruction of downlink data packet notification information, acquisition downlink data packet notification information instruction is taken
The command information of band is sent to communication system, judges whether downlink data packet notification information carries data package size information；If taking
Band data package size information, then directly execute step S6-S9；If executing without data package size information is carried to give an order:
S5-1. the network node initiates data package size inquiry request information to gateway；
S5-2. the gateway feedback data packet size inquiry response information, the data package size information that will acquire
It is sent to network node, and continues to execute step S6-S9；
S6. the instruction of network node selection mode is intercepted and captured, the command information that network node selection mode instruction is carried
It is sent to communication system, under needing the network node according to institute's received downlink data packet notification information acquisition data packet
The information command of hair, the network node obtain data package size information and control plane Optimizing Mode or user face are selected to optimize mould
Formula, and generate the paging information for carrying mode indication information；
S7. it intercepts and captures network node and sends paging information instruction, the network node is sent what paging information instruction carried
Command information is sent to communication system, make the network node to eNodeB (Evolved Node B, evolved Node B, i.e.,
The title of base station in LTE) send paging information；
S8. it intercepts and captures eNodeB and sends paging information instruction, the eNodeB is sent into the instruction that paging information instruction carries
Information is sent to communication system, and the eNodeB is made to send paging information to terminal；
S9. it intercepts and captures terminal and receives paging information instruction, the command information that the terminal receives paging information instruction tape is passed
It send to communication system, so that the terminal is obtained mode indication information entrained by paging information, concurrently play user face or control plane
Function optimization mode carries out data transmission.
Preferably, in the step S3, the downlink data packet notification information includes EPS Bearer id information, number
According to packet size information.
Preferably, in the step S6, the intercepting and capturing network node selection mode instruction, the instruction is in the following way
It realizes:
S61. the information that network node received data packet need to issue is obtained, and obtains the data package size information；
S62. judge data package size information whether less than one thresholding；
If S63. data package size information is less than the thresholding, network node selects control plane Optimizing Mode；
If data package size information is greater than the thresholding, network node selects user face Optimizing Mode；
S64. network node generates the paging information for carrying mode indication information.
In addition, the present invention also provides another selection method for being used for wireless communication system transmission mode, the method packet
Include following steps:
S1'. reading terminals status command is intercepted and captured, the command information that the reading terminals status command carries is sent to logical
Letter system reads the terminal and is in ECM-IDLE state；
The data packet is transmitted the command information that instruction carries and is sent to communication system by S2'. intercepted data packet transmission instruction
System, is transmitted to gateway, and the data context of reading service gateway by PDN Gateway for data packet；
If it is Internet of Things terminal that the data context of gateway, which records the terminal, and there are corresponding network node downlink use
The tunnel endpoint identifier in family face, then downlink data packet is cached into gateway, and gateway is obtained according to data context
The information command that the data packet need to issue；
S3'. Intercept and capture service gateway selection mode instructs, the command information that gateway selection mode instruction is carried
It is sent to communication system, the gateway is made to obtain the end message stored and downlink data packet size information and selects to control
Face Optimizing Mode, user face Optimizing Mode or EDT transmission mode；
S4'. Intercept and capture service gateway information sends instruction, and the Service Gateway info is sent the command information that instruction carries
It is sent to communication system, makes gateway that downlink data packet is sent to network section through the tunnel endpoint identifier in downlink user face
Point；
S5'. it intercepts and captures network node information and sends instruction, the network node information is sent into the command information that instruction carries
Be sent to communication system, make network node send carry downlink data packet and EPS carrying signal S1-AP information extremely
ENodeB, and generate the paging information for carrying mode indication information；
S6'. it intercepts and captures network node and sends paging information instruction, the network node is sent what paging information instruction carried
Command information is sent to communication system, and the network node is made to send paging information to eNodeB；
S7'. it intercepts and captures eNodeB and sends paging information instruction, the eNodeB is sent into the instruction that paging information instruction carries
Information is sent to communication system, and the eNodeB is made to send paging information to terminal；
S8'. it intercepts and captures terminal and receives paging information instruction, the command information that the terminal receives paging information instruction tape is passed
It send to communication system, so that the terminal is obtained mode indication information entrained by paging information and initiate corresponding data transmission mould
Downlink data packet is sent to terminal by formula in access procedure.
Preferably, in the step S3', the Intercept and capture service gateway selection mode instruction, the instruction uses such as lower section
Formula is realized:
S31'. the gateway obtains end message and data package size information；
S32'. judge whether data package size information is less than the thresholding；
If S33'. data package size information is less than the thresholding, gateway selects control plane Optimizing Mode；
If data package size information is greater than a thresholding, gateway selects user face Optimizing Mode.
Preferably, in the step S5', the intercepting and capturing network node information sends instruction, which uses such as lower section
Formula is realized:
S51'. the network node received data packet；
S52'. judge data package size information whether less than two thresholdings；
If S53'. less than two thresholdings of data package size information, network node selects EDT transmission mode；
S54'. the network node transmission carries downlink data packet and EPS carries the S1-AP information of signal extremely
eNodeB；
S55'. the network node generates the paging information for carrying EDT transmission mode instruction information.
Preferably, in the step S3', the Intercept and capture service gateway selection mode instruction, the instruction can also be used
As under type is realized:
Gateway described in S31 " obtains end message and data package size information；
S32 " judge data package size information whether less than two thresholdings；
If S33 " data package size information is less than the first thresholding and is greater than the second thresholding, gateway selects control plane
Optimizing Mode；
If data package size information is greater than the first thresholding, gateway selects user face Optimizing Mode；
If less than two thresholdings of data package size information, gateway selects EDT transmission mode.
Specifically, thresholding is also referred to as threshold value, i.e., some variable is more than that it will trigger a certain particular event.
The present invention provides a kind of electronic device, including memory, processor and storage on a memory and can handled
The computer program run on device when the processor executes described program, is realized as the present invention is previously described for wirelessly communicating
The selection method of system transmission mode.
The present invention provides a kind of computer-readable medium, is stored thereon with computer program, which is executed by processor
Shi Shixian is previously described for the selection method of wireless communication system transmission mode such as the present invention.
The additional aspect of the present invention and advantage will be provided partially in embodiment, partially will become from the following description bright
It is aobvious, or practice through the invention recognizes.
Detailed description of the invention
Fig. 1 is the messaging diagram of method used by the embodiment of the present invention 1；
Fig. 2 is the messaging diagram of method used by the embodiment of the present invention 2；
Fig. 3 is the messaging diagram of method used by the embodiment of the present invention 3；
Fig. 4 is the messaging diagram of method used by the embodiment of the present invention 4.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, terminal and network support control plane CP and user face UP function optimization mould simultaneously in this embodiment
Formula.Downlink data is reached and is buffered in SGW, and SGW sends downlink data notification message to MME.MME is initiated after receiving this message
Data package size inquires process.
The present embodiment is with the following method:
S1. reading terminals status command is intercepted and captured, reading terminals UE is in ECM-IDLE state；
The Internet of Things data packet of downlink is reached SGW (i.e. via PGW (i.e. PDN Gateway) by S2. intercepted data packet transmission instruction
Gateway)；
If SGW context data indicates that the terminal is Internet of Things terminal, and without corresponding MME (i.e. network node)
The TEID (Tunnel Endpoint ID, tunnel endpoint identifier) in downlink user face, then downlink data is buffered in SGW.
S3. it intercepts and captures SGW information and sends instruction, SGW initiates downlink data packet notification information (Downlink Data to MME
Notification), the downlink data packet notification information carries EPS Bearer id information.
S4. MME information feedback command is intercepted and captured, MME returns to downlink data information to SGW and notifies feedback information (Downlink
Data Notification ACK)。
S5. it intercepts and captures and obtains the instruction of downlink data packet notification information, judge that downlink data packet notification information does not carry data
Packet size information is executed to give an order:
S5-1.MME initiates data package size inquiry request information to SGW；
S5-2.SGW feedback data packet size inquiry response information, the data package size information that will acquire are sent to SGW,
And continue to execute step S6-S9.
S6. the instruction of MME selection mode is intercepted and captured, according to EPS Bearer ID after MME receives downlink data packet notification information
(Evolved Packet System Bearer ID, evolved packet system carrying number) and MME context data know this
It is the data packet for needing to issue, MME uses control plane CP Optimizing Mode or user face with determining according to data package size information
UP Optimizing Mode；As soon as selecting control plane CP Optimizing Mode when data package size information is less than or equal to a thresholding；When data packet is big
As soon as small information is greater than a thresholding, user face UP Optimizing Mode is selected；The paging letter for carrying mode indication information is generated simultaneously
Breath.
S7. it intercepts and captures MME and sends paging information instruction, MME sends paging information to eNodeB, and the paging information carries mould
Formula indicates information.
S8. it intercepts and captures eNodeB and sends paging information instruction, eNodeB sends paging message to terminal, and the paging information is taken
Band model indicates information.
S9. it intercepts and captures terminal and receives paging information instruction, terminal receives paging information, according to mould of the carrying in paging information
Formula indicates that information initiates user face UP or control plane CP function optimization mode transmits data.
Embodiment 2
As shown in Fig. 2, terminal and network support control plane CP and user face UP function optimization mould simultaneously in this embodiment
Formula.Downlink data is reached and is buffered in SGW, and SGW is directly big by data packet when sending downlink data packet notification information to MME
Small informing MME, MME make data-transmission mode selection according to data package size, initiate data package size so as to avoid MME and ask
The process asked, further simplifies process.
The present embodiment is with the following method:
S1. reading terminals status command is intercepted and captured, reading terminals UE is in ECM-IDLE state；
The Internet of Things data packet of downlink is reached SGW (i.e. via PGW (i.e. PDN Gateway) by S2. intercepted data packet transmission instruction
Gateway)；
If SGW context data indicates that the terminal is Internet of Things terminal, and without corresponding MME (i.e. network node)
The TEID (Tunnel Endpoint ID, tunnel endpoint identifier) in downlink user face, then downlink data is buffered in SGW.
S3. it intercepts and captures SGW information and sends instruction, SGW initiates downlink data packet notification information (Downlink Data to MME
Notification), the downlink data packet notification information carries EPS Bearer id information and data package size information.
S4. MME information feedback command is intercepted and captured, MME returns to downlink data information to SGW and notifies feedback information (Downlink
Data Notification ACK)。
S5. it intercepts and captures and obtains the instruction of downlink data packet notification information, judge that downlink data packet notification information carries data packet
Size information then directly executes step S6-S9.
S6. the instruction of MME selection mode is intercepted and captured, according to EPS Bearer ID after MME receives downlink data packet notification information
Know that this is the data packet for needing to issue with MME context data, MME according to data package size information with determining to use
Control plane CP Optimizing Mode or user face UP Optimizing Mode；As soon as when data package size information is less than or equal to a thresholding, selection control
CP Optimizing Mode in face processed；As soon as selecting user face UP Optimizing Mode when data package size information is greater than a thresholding；It generates and takes simultaneously
Paging information with mode indication information.
S7. it intercepts and captures MME and sends paging information instruction, MME sends paging information to eNodeB, and the paging information carries mould
Formula indicates information.
S8. it intercepts and captures eNodeB and sends paging information instruction, eNodeB sends paging message to terminal, and the paging information is taken
Band model indicates information.
S9. it intercepts and captures terminal and receives paging information instruction, terminal receives paging information, according to mould of the carrying in paging information
Formula indicates that information initiates user face UP or control plane CP function optimization mode transmits data.
Embodiment 3
As shown in figure 3, in this embodiment terminal and network support control plane CP, user face UP function optimization mode and
Data send (EDT:Early Data Transmission) in advance.SGW context data is preserved in this embodiment
Corresponding MME downlink user face TEID (i.e. S11-U presence), and terminal is that i.e. access network passes through equally fixed terminal every time
ENodeB access, therefore S1-C interface message can be maintained in the context data of eNodeB and MME.Lower line number
According to reaching and being buffered in SGW, SGW selects control plane CP function optimization mode or user face UP function excellent according to data package size
Change mode, and choose whether to use EDT data-transmission mode in access net side.
The present embodiment is with the following method:
S1'. reading terminals status command is intercepted and captured, reading terminals UE is in ECM-IDLE state；
The Internet of Things data packet of downlink is reached SGW (i.e. via PGW (i.e. PDN Gateway) by S2'. intercepted data packet transmission instruction
Gateway)；
If SGW context data indicates that the terminal is Internet of Things terminal, and has under corresponding MME (i.e. network node)
The TEID (i.e. S11-U presence) in row user face, then downlink data is buffered in SGW, and SGW learns that this is according to context data
One Internet of Things data packet for needing to issue.
S3'. the instruction of SGW selection mode is intercepted and captured, the SGW is made to obtain the terminal UE information and downlink data packet size of storage
Information simultaneously selects control plane CP Optimizing Mode or user face UP Optimizing Mode；
When data package size information be greater than thresholding 1, then select user face UP function optimization mode.Data in this embodiment
Packet size information is less than threshold value 1, selects control plane CP function optimization mode；Further, if data package size information is small
In threshold value 2 (2 < threshold value of threshold value 1), data are further simplified using EDT transmission mode in access net side and are transmitted, in this reality
It applies selection in example and uses EDT.
S4'. it intercepts and captures SGW information and sends instruction, make SGW by downlink data packet through the S11-U (use between as SGW and MME
Family face interface) it is sent to MME.
S5'. it intercepts and captures MME information and sends instruction, MME is made to send the S1-AP for carrying downlink data packet and EPS carrying signal
Information to eNodeB, MME generation carries the paging information of mode indication information；
S6'. it intercepts and captures MME and sends paging information instruction, MME is made to send paging information to eNodeB；
S7'. it intercepts and captures eNodeB and sends paging information instruction, eNodeB is made to send paging information to terminal；
S8'. it intercepts and captures terminal and receives paging information instruction, terminal is made to obtain the hair of mode indication information entrained by paging information
EDT (EDT:Early Data Transmission, data are sent in advance) data-transmission mode is played, downlink data packet is being connect
Terminal is sent to during entering.
Specifically, S11-U is set for control plane function optimization mode, default will use control plane function optimization mould at this time
Formula transmits data.
Embodiment 4
As shown in figure 4, in this embodiment terminal and network support control plane CP, user face UP function optimization mode and
Data send (EDT:Early Data Transmission) in advance.SGWcontext data is preserved pair in this embodiment
The MME downlink user face TEID (i.e. S11-U presence) answered, and terminal is that i.e. access network passes through similarly fixed terminal every time
ENodeB access, therefore S1-C interface message can be maintained in the context data of eNodeB and MME.Downlink data
It reaches and is buffered in SGW, SGW selects control plane function optimization mode or user plane functions to optimize mould according to data package size
Formula, SGW sends data to MME after determining control plane function optimization mode, and MME further chooses whether according to data package size
It accesses net side and uses EDT data-transmission mode.
The present embodiment is with the following method:
S1'. reading terminals status command is intercepted and captured, reading terminals UE is in ECM-IDLE state；
The Internet of Things data packet of downlink is reached SGW (i.e. via PGW (i.e. PDN Gateway) by S2'. intercepted data packet transmission instruction
Gateway)；
If SGW context data indicates that the terminal is Internet of Things terminal, and has under corresponding MME (i.e. network node)
The TEID (i.e. S11-U presence) in row user face, then downlink data is buffered in SGW, and SGW learns that this is according to context data
One Internet of Things data packet for needing to issue.
S3'. the instruction of SGW selection mode is intercepted and captured, the SGW is made to obtain the terminal UE information and downlink data packet size of storage
Information simultaneously selects control plane CP Optimizing Mode or user face UP Optimizing Mode；
When data package size information be greater than thresholding 1, then select user face UP function optimization mode.Data in this embodiment
Packet size information is less than threshold value 1, selects control plane CP function optimization mode.
S4'. it intercepts and captures SGW information and sends instruction, make SGW that downlink data packet is sent to MME through S11-U.
S5'. it intercepts and captures MME information and sends instruction, MME receives data packet, judges whether data package size information is less than thresholding
Value 2 (2 < threshold value of threshold value 1), if data package size information is less than thresholding 2, MME selection is transmitted in access net side using EDT
Mode is further simplified data transmission, and selection uses EDT in the present embodiment；Simultaneously MME transmission carry downlink data packet and
EPS (EBI:EPS Bearer ID) carries the S1-AP information of signal to eNodeB, and MME generation carries mode indication information
It (is at this time the paging information of EDT)；
S6'. it intercepts and captures MME and sends paging information instruction, MME is made to send paging information to eNodeB；
S7'. it intercepts and captures eNodeB and sends paging information instruction, eNodeB sends paging information to terminal, carries EDT transmission
Mode indication information；
S8'. it intercepts and captures terminal and receives paging information instruction, so that terminal is obtained EDT transmission mode entrained by paging information and refer to
Show that information initiates EDT (EDT:Early Data Transmission, data are sent in advance) data-transmission mode, by lower line number
Terminal is sent in access procedure according to packet.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of selection method for wireless communication system transmission mode, which is characterized in that the described method comprises the following steps:
S1. reading terminals status command is intercepted and captured, the command information that the reading terminals status command carries is sent to communication system
System, reads the terminal and is in ECM-IDLE state；
The data packet is transmitted the command information that instruction carries and is sent to communication system by S2. intercepted data packet transmission instruction, will
Data packet is transmitted to gateway, and the data context of reading service gateway by PDN Gateway；
If it is Internet of Things terminal that the data context of gateway, which records the terminal, and corresponding network node downlink user is not present
The tunnel endpoint identifier in face, then downlink data packet is cached into gateway；
S3. Intercept and capture service gateway information sends instruction, and the Service Gateway info is sent the command information that instruction carries and is transmitted
To communication system, downlink data packet notification information is sent to network node by gateway；
S4. network node information feedback command is intercepted and captured, the command information that the network node information feedback command is carried transmits
To communication system, downlink data notification feedback information is sent to gateway by the network node；
S5. it intercepts and captures and obtains the instruction of downlink data packet notification information, the acquisition downlink data packet notification information instruction is carried
Command information is sent to communication system, judges whether downlink data packet notification information carries data package size information；If carrying number
According to packet size information, then step S6-S9 is directly executed；If executing without data package size information is carried to give an order:
S5-1. the network node initiates data package size inquiry request information to gateway；
S5-2. the gateway feedback data packet size inquiry response information, the data package size information that will acquire are sent
To network node, and continue to execute step S6-S9；
S6. the instruction of network node selection mode is intercepted and captured, the command information that network node selection mode instruction carries is transmitted
To communication system, make the network node according to received downlink data packet notification information obtain what the data packet need to issue
Information command, the network node obtain data package size information and select control plane Optimizing Mode or user face Optimizing Mode,
And generate the paging information for carrying mode indication information；
S7. it intercepts and captures network node and sends paging information instruction, the network node is sent into the instruction that paging information instruction carries
Information is sent to communication system, and the network node is made to send paging information to eNodeB；
S8. it intercepts and captures eNodeB and sends paging information instruction, the eNodeB is sent into the command information that paging information instruction carries
It is sent to communication system, the eNodeB is made to send paging information to terminal；
S9. it intercepts and captures terminal and receives paging information instruction, the command information that the terminal receives paging information instruction tape is sent to
Communication system makes the terminal obtain mode indication information entrained by paging information, concurrently plays user face or control plane function
Optimizing Mode carries out data transmission.
2. selection method according to claim 1, which is characterized in that the method also includes: in the step S3, institute
Downlink data packet notification information is stated including at least EPS Bearer id information.
3. selection method according to claim 2, which is characterized in that in the step S3, the downlink data packet is logical
Know that information further includes data package size information.
4. described in any item selection methods according to claim 1~3, which is characterized in that in the step S6, the intercepting and capturing
The instruction of network node selection mode, the instruction are realized in the following way:
S61. the information that network node received data packet need to issue is obtained, and obtains the data package size information；
S62. judge data package size information whether less than one thresholding；
If S63. data package size information is less than the thresholding, network node selects control plane Optimizing Mode；
If data package size information is greater than the thresholding, network node selects user face Optimizing Mode；
S64. network node generates the paging information for carrying mode indication information.
5. a kind of selection method for wireless communication system transmission mode, which is characterized in that the described method comprises the following steps:
S1' intercepts and captures reading terminals status command, and the command information that the reading terminals status command carries is sent to communication system
System, reads the terminal and is in ECM-IDLE state；
The data packet is transmitted the command information that instruction carries and is sent to communication system by S2'. intercepted data packet transmission instruction,
Data packet is transmitted to gateway, and the data context of reading service gateway by PDN Gateway；
If it is Internet of Things terminal that the data context of gateway, which records the terminal, and there are corresponding network node downlink user faces
Tunnel endpoint identifier, then downlink data packet is cached into gateway, described in gateway is obtained according to data context
The information command that data packet need to issue；
S3'. Intercept and capture service gateway selection mode instructs, and the command information that gateway selection mode instruction carries is transmitted
To communication system, so that the gateway is obtained the end message stored and downlink data packet size information and select control plane excellent
Change mode, user face Optimizing Mode or EDT transmission mode；
S4'. Intercept and capture service gateway information sends instruction, and the Service Gateway info is sent the command information that instruction carries and is transmitted
To communication system, make gateway that downlink data packet is sent to network node through the tunnel endpoint identifier in downlink user face；
S5'. it intercepts and captures network node information and sends instruction, the network node information is sent into the command information that instruction carries and is transmitted
To communication system, sends network node and carry the S1-AP information of downlink data packet and EPS carrying signal to eNodeB, and
Generate the paging information for carrying mode indication information；
S6'. it intercepts and captures network node and sends paging information instruction, the network node is sent into the instruction that paging information instruction carries
Information is sent to communication system, and the network node is made to send paging information to eNodeB；
S7'. it intercepts and captures eNodeB and sends paging information instruction, the eNodeB is sent into the command information that paging information instruction carries
It is sent to communication system, the eNodeB is made to send paging information to terminal；
S8'. it intercepts and captures terminal and receives paging information instruction, the command information that the terminal receives paging information instruction tape is sent to
Communication system makes the terminal obtain mode indication information entrained by paging information and initiates corresponding data-transmission mode, will
Downlink data packet is sent to terminal in access procedure.
6. selection method according to claim 5, which is characterized in that in the step S3', the Intercept and capture service gateway
Selection mode instruction, the instruction are realized in the following way:
S31'. the gateway obtains end message and data package size information；
S32'. judge data package size information whether less than one thresholding；
If S33'. data package size information is less than the thresholding, gateway selects control plane Optimizing Mode；
If data package size information is greater than the thresholding, gateway selects user face Optimizing Mode.
7. selection method according to claim 6, which is characterized in that in the step S5', the intercepting and capturing network node
Information sends instruction, which realizes in the following way:
S51'. the network node received data packet；
S52'. judge data package size information whether less than two thresholdings；
If S53'. less than two thresholdings of data package size information, network node selects EDT transmission mode；
S54'. the network node, which is sent, carries the S1-AP information of downlink data packet and EPS carrying signal to eNodeB；
S55'. the network node generates the paging information for carrying EDT transmission mode instruction information.
8. selection method according to claim 5, which is characterized in that in the step S3', the Intercept and capture service gateway
Selection mode instruction, the instruction can also be realized in the following way:
Gateway described in S31 " obtains end message and data package size information；
S32 " judge data package size information whether less than two thresholdings；
If S33 " data package size information is less than the first thresholding and is greater than the second thresholding, gateway selects control plane optimization
Mode；
If data package size information is greater than the first thresholding, gateway selects user face Optimizing Mode；
If less than two thresholdings of data package size information, gateway selects EDT transmission mode.
9. a kind of electronic device, which is characterized in that on a memory and can be in processor including memory, processor and storage
The computer program of upper operation when the processor executes described program, realizes such as selection described in any one of claims 1-8
Method.
10. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that the program is executed by processor
Shi Shixian selection method for example described in any one of claims 1-8.
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