WO2017113287A1

WO2017113287A1 - Method, base station, terminal and gateway for data transmission

Info

Publication number: WO2017113287A1
Application number: PCT/CN2015/100104
Authority: WO
Inventors: 舒兵; 黄敏; 刘菁
Original assignee: 华为技术有限公司
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2017-07-06

Abstract

Embodiments of the present invention relate to a method, a base station, a terminal and a gateway for data transmission. The method comprises: a base station receiving target information transmitted by a first node, the target information comprising application data and first identification information, the first identification information comprising index information; the base station determining, according to the first identification information and a first correlation, a second node that the application data correspond to, the first correlation being the relation between the index information and the second node; the base station transmitting to the second node the application data and second identification information, the second identification information comprising index information and being used for determining information of the node that transmits the application data. By means of carrying index information to transmit application data between the terminal and an application server, the method, base station, terminal and gateway for data transmission of the embodiments of the present invention are able to reduce the number of signalings and avoid redundant procedures for establishing bearers between the terminal and the gateway, thereby being able to improve the efficiency of the network.

Description

Data transmission method, base station, terminal and gateway

Technical field

The present invention relates to the field of communications, and in particular, to a method, a base station, a terminal, and a gateway for data transmission.

Background technique

The user equipment and the application server (App Server) can generally transmit services through various network communication protocols, and the transmission control protocol/Internet Protocol (TCP/IP) protocol is common. . However, for transmitting a small data, such as Machine Type Communication (MTC), many are small data transmissions. If the user equipment and the MTC server in the existing MTC system still transmit traffic through the TCP/IP connection, A TCP/IP connection is established between the MTC device and the server. The establishment of the connection generally involves Radio Resource Control ("RRC") connection establishment, Security Mode Command ("SMC"), and Radio Bearers ("RB") are established, and there are dozens of related signalings, and only one of them may contain actual application data. The transmission of a large amount of signaling directly causes the resource consumption of each relevant node and reduces their transmission efficiency.

Summary of the invention

The invention provides a data transmission method, a base station, a terminal and a gateway, which can improve transmission efficiency.

In a first aspect, a method for data transmission is provided, the method includes: receiving, by a base station, a target message sent by a first node, where the target message includes application data and first identifier information, where the first identifier information includes index information; Determining, by the base station, the second node corresponding to the application data according to the first identifier information and the first correspondence, the first correspondence is a relationship between the index information and the second node; the base station is to the second node The node sends the application data and the second identifier information, where the second identifier information includes the index information, where the second identifier information is used to determine information of a node that transmits the application data.

Therefore, the data transmission method of the embodiment of the present invention is used for the terminal to transmit uplink data to the application server through the base station and the gateway, or the application server transmits downlink data to the terminal through the base station and the gateway, and carries the index information, and the terminal and the application server Endless end-to-end bearer connection The data transmission can be realized, the number of signaling between the terminal and the base station, the base station and the gateway can be reduced, and the redundancy process of the bearer between the terminal and the gateway can be avoided, thereby improving the efficiency of the network.

It should be understood that the index information may be an index identifier such as an integer. Or the index information may be the identifier information of the terminal, or add an integer to the identifier information of the terminal. The index information may be determined by the sending end, that is, by the first node, or may be determined by the sending end and other nodes. The index information can uniquely determine the information of the sending end, the receiving end, and the intermediate nodes, thereby ensuring the application. Data is transmitted along the correct route on each link of the sender and receiver.

Optionally, the base station may receive, by using the first link, a target message sent by the first node, where the first link is a channel between the base station and the first node on a first protocol layer.

Optionally, the base station may send the application data and the second identifier information to the second node by using the second link, where the second link is a channel between the base station and the second node on the second protocol layer.

Optionally, the first protocol layer and the second protocol layer may be different.

With reference to the first aspect, in an implementation manner of the first aspect, the first identifier information includes an identifier of the second node, the method further includes: the base station establishing the second node according to the identifier of the second node The first correspondence between the index information.

In another implementation manner of the first aspect, the method further includes: the base station establishing the second link with the second node.

In combination with the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the first identifier information further includes an identifier of the first node, where the second identifier information further includes an identifier of the first node, The first correspondence is a relationship between the first node and the index information, and a relationship between the second node.

In conjunction with the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the first node is a terminal, and the second node is a gateway; or the first node is a gateway, and the second node is terminal.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the first node is a terminal, and when the second node is a gateway, the base station receives the target message sent by the first node, including: The base station receives the uplink message sent by the terminal by using a random access procedure, where the uplink message includes the application data and the first identifier information.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, when the second node is a terminal, and the first node is a gateway, the base station sends the application data to the second node. The second identifier information includes: the base station sends the application data to the terminal by using a paging channel And the second identification information.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the method further includes: the base station receiving the link release indication information; the base station deleting the index information according to the link release indication information A first correspondence relationship with the second node.

Optionally, the receiving, by the base station, the link release indication information, where the base station receives the link release indication information sent by the first node.

Optionally, the method further includes: the base station deleting the first link between the base station and the first node according to the link release indication information.

Optionally, the method further includes: the base station deleting the second link between the base station and the second node according to the link release indication information.

In conjunction with the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the method further includes: the base station sending the link release indication information to the second node, so that the second node deletes and saves The correspondence between the index information and the node transmitting the application data may also delete the second link between the second node and the base station.

In conjunction with the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the method further includes: if the base station does not receive the message that includes the index information within a preset time, deleting the index information A first correspondence relationship with the second node.

Optionally, the base station may also delete the first link between the base station and the first node.

Optionally, the base station may also delete the second link between the base station and the second node.

In combination with the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the first identifier information further includes an encryption and decryption parameter and/or a security authentication parameter, where the second identifier information further includes an encryption and decryption parameter and / or safety certification parameters.

The second aspect provides a method for uplink data transmission, where the method includes: determining, by the terminal, the index information according to the application server corresponding to the application data and the first correspondence, where the first correspondence is the index information and the application server The terminal sends a target message to the base station, where the target message includes the application data and the first identifier information, where the first identifier information includes the index information.

Therefore, in the uplink data transmission method of the embodiment of the present invention, the terminal sends a target message to the base station, where the target message includes application data and first identifier information, where the first identifier information includes index information, so that the base station can use the index information. Corresponding relationship with the gateway determines the gateway, and sends the application data and the second identification information including the index information to the gateway, so that the gateway is based on the second standard The identification information determines the application server, and sends the application data to the application server, thereby reducing the number of signaling and avoiding a redundant process of establishing a bearer between the terminal and the gateway, thereby improving network efficiency.

It should be understood that the index information may be an index identifier such as an integer. Or the index information may be the identifier information of the terminal, or add an integer to the identifier information of the terminal. The index information may be determined by the sending end, that is, by the terminal, or may be determined by the sending end and other nodes. The index information can uniquely determine the information of the sending end, the receiving end, and the intermediate nodes, thereby ensuring application data. Each segment of the link between the sender and the receiver is transmitted along the correct route.

Optionally, the terminal may send a target message to the base station by using the first link, where the first link is a channel between the terminal and the base station on the first protocol layer, so that the base station is configured according to the target message. Determining a gateway, and transmitting the application data and second identifier information including the index information, where the second identifier information is used to determine information of a node that transmits the application data, optionally, the base station The application data and the second identification information may be sent to the gateway by using the second link, where the second link is a channel between the base station and the gateway on a second protocol layer, the first protocol layer and the second protocol The layers can be the same or different.

With reference to the second aspect, in an implementation manner of the second aspect, the first correspondence is a combination of the index information and the terminal, and a relationship between the terminal and the application server, where the first identifier information further includes the terminal Logo.

With reference to the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the terminal determines the index information according to the application server corresponding to the application data and the first correspondence, including: when the index exists in the terminal When the first correspondence between the information and the application server is obtained, the terminal acquires the index information. Optionally, the first correspondence may also be a relationship between the index information and a combination of the terminal and the application server.

With reference to the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the terminal determines the index information according to the application server corresponding to the application data and the first correspondence, including: when the terminal does not exist When the first correspondence between the index information and the application server is performed, the terminal generates the index information, and establishes a first correspondence between the index information and the application server. Optionally, the first correspondence may also be a relationship between the index information and a combination of the terminal and the application server.

With reference to the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the method further includes: determining, by the terminal, the gateway according to the application server corresponding to the application data; Determining the index information according to the application server corresponding to the application data and the first correspondence, the method includes: when the first correspondence between the index information and the application server does not exist in the terminal, the terminal generates a corresponding correspondence with the application server Index information, and establishing the index information, the correspondence between the gateway and the application server, wherein the first identifier information includes an identifier of the application server and/or an identifier of the gateway.

With the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the terminal sends the target message to the base station, where the terminal sends the target message to the base station by using a random access procedure, the target message For the uplink message in the random access procedure.

With reference to the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the method further includes: deleting, by the terminal, the first correspondence.

Optionally, the first correspondence may be a correspondence between the index information and the application server, or the first correspondence may also be a relationship between the combination of the index information and the terminal and the application server, or The first correspondence may also be the relationship between the index information, the gateway, and the application server.

Optionally, after the terminal deletes the first correspondence, the method further includes: deleting, by the terminal, the first link between the terminal and the base station.

Optionally, the terminal deletes the first correspondence, and further includes: the terminal does not send a message including the index information to the base station, and the terminal deletes the first correspondence.

With reference to the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the method further includes: after deleting the first correspondence, the terminal sends a link release indication information to the base station, the chain The route release indication information is used to indicate that the base station deletes the correspondence between the index information saved in the base station and the gateway, and the link release indication information may further instruct the base station to delete the second link between the base station and the gateway. .

In conjunction with the second aspect and the foregoing implementation manner, in another implementation manner of the second aspect, the first identifier information further includes an encryption and decryption parameter and/or a security authentication parameter.

A third aspect provides a method for uplink data transmission, where the method includes: receiving, by a gateway, application data and first identifier information sent by a base station, where the application data is originating from a terminal, where the first identifier information includes index information; Determining, by the first identifier, the application server, the first correspondence is a relationship between the index information and the application server; and the gateway sends the application data to the application server.

Therefore, in the method for transmitting uplink data in the embodiment of the present invention, the gateway receives the source sent by the base station. The application data and the first identification information of the terminal, the gateway may determine the application server according to the correspondence between the index information in the first identification information and the application server, and send the application data to the application server, thereby reducing signaling The number avoids the redundant process of establishing a bearer between the terminal and the gateway, thereby improving the efficiency of the network.

It should be understood that the index information may be an index identifier such as an integer. Or the index information may be the identifier information of the terminal, or add an integer to the identifier information of the terminal. The index information may be determined by the sending end, that is, by the terminal, or may be determined by the sending end and other nodes. The index information can uniquely determine the information of the sending end, the receiving end, and the intermediate nodes, thereby ensuring that the application data is in the Each link of the sender and the receiver is transmitted along the correct route.

Optionally, the gateway may receive the application data and the first identifier information sent by the base station by using the second link, where the index information in the first identifier information is determined by the base station according to the target message sent by the terminal received through the first link. The target message includes the application data and second identifier information including the index information, where the first link is a channel between the gateway and the base station on a first protocol layer, and the second link is the The channel between the base station and the terminal on the second protocol layer, the first protocol layer and the second protocol layer may be the same or different.

With reference to the third aspect, in an implementation manner of the third aspect, the determining, by the gateway, the application server according to the first identifier information and the first correspondence, the gateway includes: according to the index information in the first identifier information, The first correspondence between the application servers determines the application server.

In conjunction with the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, the first identifier information includes an identifier of the application server, and the method further includes: when the gateway does not have index information and the application When the server corresponds to the first correspondence, the gateway determines the application server according to the identifier of the application server; the gateway establishes a first correspondence between the index information and the application server.

With reference to the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, the first identifier information includes an identifier of the terminal, where the first correspondence relationship is a combination of the terminal and the index information, and the The relationship between the application servers.

With the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, the gateway sends the application data to the application server, where the gateway obtains an address of the application server according to the second identifier information. Information; the gateway sends the application data to the application server according to the address information of the application server.

In combination with the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, The method further includes: the gateway receiving the link release indication information sent by the base station; the gateway deleting the first correspondence relationship saved in the gateway according to the link release indication information, where the first correspondence relationship may be the index information and the The relationship between the application servers may also be a relationship between the terminal and the index information and the application server.

Optionally, the link release indication information is further used to indicate that the gateway deletes the second link with the base station.

In conjunction with the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, the method further includes: if the gateway does not receive the message that includes the index information within a preset time, the gateway deletes the The first correspondence stored in the gateway, the first correspondence may be a relationship between the index information and the application server, and may also be a relationship between the terminal and the index information and the application server.

Optionally, the gateway may also delete the second link with the base station.

With the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, after the gateway sends the application data to the application server, the method further includes: the gateway receiving the feedback message sent by the application server The feedback message is used to indicate whether the application server successfully receives the application data sent by the gateway; when the feedback message indicates that the application server fails to receive the application data, the gateway resends the application data to the application server.

In conjunction with the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, the gateway resending the application data to the application server, including: the number of times the gateway resends the application data to the application server When less than or equal to the preset number of times, the gateway resends the application data to the application server.

In conjunction with the third aspect and the foregoing implementation manner, in another implementation manner of the third aspect, the first identifier information further includes an encryption and decryption parameter and/or a security authentication parameter.

A fourth aspect provides a method for transmitting downlink data, where the method includes: determining, by the gateway, the index information according to the terminal corresponding to the application data and the first correspondence, where the application data is from an application server, and the first correspondence is the The index information, the relationship between the application server and the terminal; the gateway sends a target message to the base station, where the target message includes the application data and the first identifier information, and the first identifier information includes the index information.

Therefore, the method for transmitting downlink data in the embodiment of the present invention determines the index information by using the correspondence between the gateway root application server, the terminal, and the index information; the gateway sends a target message to the base station, where the target message includes the application data and the first Identification information, the first identification information includes the index Information, so that the base station can determine the terminal according to the index information, and send the application data to the terminal, thereby reducing the number of signaling and avoiding a redundant process of establishing a bearer between the terminal and the gateway, thereby improving network efficiency. .

It should be understood that the index information may be an index identifier, such as an integer; or the index information may be identification information of the terminal, or an integer of the terminal identification information; or the index information may also be a gateway The identifier, or an integer of the gateway, plus an integer, the invention is not limited thereto. The index information may be determined by the sending end, that is, by the gateway, or may be determined by the sending end and other nodes. The index information can uniquely determine the information of the sending end, the receiving end, and the intermediate nodes, thereby ensuring application data. Each segment of the link between the sender and the receiver is transmitted along the correct route.

Optionally, the gateway sends a target message to the base station by using the first link, where the first link is a channel between the gateway and the base station on the first protocol layer.

Optionally, after the gateway sends the target information to the base station by using the first link, the base station may determine the terminal according to the index information in the first identifier information in the target information, and send the terminal to the terminal by using the second link. The application data, the second link is a channel between the base station and the terminal on the second protocol layer. The second protocol layer and the first protocol layer may be the same or different.

With reference to the fourth aspect, in an implementation manner of the fourth aspect, the method further includes: the gateway receiving an indication message sent by the application server, where the indication message is used to indicate that the gateway sends the application data to the terminal.

With reference to the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the gateway determines the index information according to the terminal corresponding to the application data and the first correspondence, including: when the index information exists in the gateway And the first correspondence between the terminal and the application server, the gateway acquires the index information.

With reference to the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the gateway determines the index information according to the terminal corresponding to the application data and the first correspondence, including: when the index does not exist in the gateway The information, the first correspondence between the terminal and the application server, the gateway generates index information corresponding to the terminal and the application server, and establishes the index information, the first correspondence between the terminal and the application server Relationship; optionally, the gateway may also establish the first link with the base station.

In conjunction with the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the first identifier information includes: an identifier of the gateway.

In conjunction with the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the first identifier information includes: an identifier of the terminal.

In conjunction with the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the first identifier information includes: an identifier of the application server.

With reference to the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the method further includes: deleting, by the gateway, the first correspondence, where the first correspondence is the index information, the terminal, and the The correspondence between the application servers; the gateway may also delete the first link with the base station.

In conjunction with the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the gateway deletes the first correspondence, including: the gateway does not send the index information to the base station within a preset time The message deletes the first correspondence, or the gateway may delete the first link.

With reference to the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the method further includes: after deleting the first correspondence, the gateway sends a link release indication information to the base station, where the link is The release indication information is used to indicate that the base station deletes the correspondence between the index information and the terminal that is saved in the base station, and the link release indication information is further used to indicate that the base station deletes the first link with the gateway. .

In conjunction with the fourth aspect and the foregoing implementation manner, in another implementation manner of the fourth aspect, the first identifier information further includes an encryption and decryption parameter and/or a security authentication parameter.

A fifth aspect provides a method for transmitting downlink data, where the method includes: receiving, by a terminal, application data and first identifier information sent by a base station, where the first identifier information includes index information, where the application data is originated from an application server; Determining, according to the first identifier information and the first correspondence, an application entity corresponding to the application server, where the first correspondence is a relationship between the index information and the application server; the terminal sends the application data to the application entity.

Therefore, in the method for transmitting downlink data in the embodiment of the present invention, the terminal receives application data originating from the application server and first identification information including the index information, and the terminal determines, according to the correspondence between the index information and the application server, The application entity sends the application data to the application entity, thereby reducing the number of signaling and avoiding a redundant process of establishing a bearer between the terminal and the gateway, thereby improving network efficiency.

It should be understood that the index information may be an index identifier such as an integer. Or the index information may be the identification information of the terminal, or add an integer to the identification information of the terminal; or the cable The information may also be an identifier of the gateway or an integer of the identifier of the gateway, and the invention is not limited thereto. The index information may be determined by the sending end, that is, by the gateway, or may be determined by the sending end and other nodes. The index information can uniquely determine the information of the sending end, the receiving end, and the intermediate nodes, thereby ensuring that the application data is in the Each link of the sender and the receiver is transmitted along the correct route.

Optionally, the terminal receives the application data and the first identifier information sent by the base station by using the second link, where the second link is a channel between the base station and the terminal on the second protocol layer, where the first identifier information is The index information is sent by the gateway corresponding to the application server that is received by the base station through the first link, where the first link is a channel of the base station and the gateway on the first protocol layer. Optionally, the first protocol layer and the second protocol layer may be the same and may be different.

With reference to the fifth aspect, in an implementation manner of the fifth aspect, the terminal determines, according to the first identifier information and the first correspondence, an application entity corresponding to the application server, including: when the first identifier exists in the terminal When the first correspondence between the index information in the information and the application server is determined, the terminal determines the application server according to the index information, where the application server corresponds to the application data; and the terminal determines the application entity according to the application server.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the first identifier information includes an identifier of the application server, and the terminal determines, according to the first identifier information and the first correspondence relationship, The application entity corresponding to the application server includes: when the first correspondence between the index information in the first identifier information and the application server does not exist in the terminal, the terminal according to the identifier of the application server in the first identifier information Determining an application server; the terminal establishes a first correspondence between the index information and the application server; the terminal determines the application entity according to the application server.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the first identifier information further includes an identifier of a gateway corresponding to the application server, where the first correspondence relationship is index information, the gateway, and The relationship between the application servers.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the terminal receives the application data and the first identifier information sent by the base station, where the terminal receives the Application data and the first identification information.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the method further includes: receiving, by the terminal, link release indication information sent by the base station; the terminal, according to the link release indication information, Delete the first correspondence. The first correspondence is index information and application The relationship between the servers; the first correspondence may also be the relationship between the index information, the gateway, and the application server.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the method further includes: deleting, by the terminal, the second link between the terminal and the base station according to the link release indication information.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the method further includes: if the terminal does not receive the message that includes the index information within a preset time, deleting the first Correspondence relationship. The first correspondence is a relationship between the index information and the application server; the first correspondence may also be an index information, a relationship between the gateway and the application server.

With reference to the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the method further includes: if the terminal does not receive the message including the index information within a preset time, the terminal may further The second link between the terminal and the base station is deleted.

In conjunction with the fifth aspect and the foregoing implementation manner, in another implementation manner of the fifth aspect, the first identifier information further includes an encryption and decryption parameter and/or a security authentication parameter.

In a sixth aspect, a base station for transmitting data is provided for performing the method of any of the first aspect or the first aspect of the first aspect. In particular, the base station comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.

In a seventh aspect, a terminal for transmitting uplink data is provided for performing the method in any of the foregoing possible implementations of the second aspect or the second aspect. In particular, the terminal comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.

In an eighth aspect, a gateway for transmitting uplink data is provided for performing the method in any of the foregoing possible implementations of the third aspect or the third aspect. In particular, the gateway comprises means for performing the method of any of the possible implementations of the third or third aspect above.

According to a ninth aspect, a gateway for transmitting downlink data is provided for performing the method in any of the foregoing possible implementations of the fourth aspect or the fourth aspect. In particular, the gateway comprises means for performing the method of any of the above-described fourth or fourth aspects of the fourth aspect.

A tenth aspect provides a terminal for transmitting downlink data, for performing the method in any of the foregoing fifth aspect or any possible implementation manner of the fifth aspect. In particular, the terminal comprises means for performing the method of any of the possible implementations of the fifth or fifth aspect above.

In an eleventh aspect, a base station for transmitting data is provided, including: a memory and a processor, the memory is configured to store an instruction, the processor is configured to execute an instruction stored by the memory, and the Execution of the instructions stored in the memory causes the processor to perform the method of the first aspect or any possible implementation of the first aspect.

A twelfth aspect provides a terminal for transmitting uplink data, comprising: a memory and a processor, the memory for storing an instruction for executing the instruction stored by the memory, and executing the instruction stored in the memory The processor is caused to perform the method of any of the second aspect or any of the possible implementations of the second aspect.

A thirteenth aspect, a gateway for transmitting uplink data, comprising: a memory and a processor, the memory for storing an instruction for executing the instruction stored by the memory, and executing the instruction stored in the memory The processor is caused to perform the method of any of the third aspect or any of the possible implementations of the third aspect.

In a fourteenth aspect, a gateway for transmitting downlink data is provided, comprising: a memory for storing instructions for executing instructions stored in the memory, and execution of instructions stored in the memory, and a processor The processor is caused to perform the method of any of the possible implementations of the fourth aspect or the fourth aspect.

A fifteenth aspect, a terminal for transmitting downlink data, comprising: a memory and a processor, the memory for storing an instruction for executing the instruction stored by the memory, and executing the instruction stored in the memory The processor is caused to perform the method of any of the possible implementations of the fifth aspect or the fifth aspect.

A sixteenth aspect, a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.

A seventeenth aspect, a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of any of the second aspect or the second aspect of the second aspect.

In an eighteenth aspect, a computer readable medium is provided for storing a computer program comprising instructions for performing the method of any of the third aspect or any of the possible implementations of the third aspect.

A nineteenth aspect, a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of any of the fourth or fourth aspect of the fourth aspect.

In a twentieth aspect, a computer readable medium for storing a computer program is provided The computer program includes instructions for performing the method of any of the fifth or fifth aspects of the possible implementation.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the present invention, Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic diagram of an endless end bearer connection in a method of data transmission according to an embodiment of the present invention.

2 is a schematic flowchart of a method for uplink data transmission according to an embodiment of the present invention.

FIG. 3 is a schematic flowchart of a method for downlink data transmission according to an embodiment of the present invention.

4 is a schematic block diagram of a base station for data transmission according to an embodiment of the present invention.

FIG. 5 is a schematic block diagram of a terminal for uplink data transmission according to an embodiment of the present invention.

6 is a schematic block diagram of a gateway for uplink data transmission in accordance with an embodiment of the present invention.

7 is a schematic block diagram of a gateway for downlink data transmission according to an embodiment of the present invention.

FIG. 8 is a schematic block diagram of a terminal for downlink data transmission according to an embodiment of the present invention.

FIG. 9 is a schematic block diagram of a base station transmitting data according to another embodiment of the present invention.

FIG. 10 is a schematic block diagram of a terminal transmitting uplink data according to another embodiment of the present invention.

11 is a schematic block diagram of a gateway for transmitting uplink data according to another embodiment of the present invention.

FIG. 12 is a schematic block diagram of a gateway for transmitting downlink data according to another embodiment of the present invention.

FIG. 13 is a schematic block diagram of a terminal transmitting downlink data according to another embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

In the embodiment of the present invention, the data transmission process between the terminal and the application server may be divided into two parts. The first part of the data transmission process is between the terminal, the base station, and the gateway. For transmitting uplink data, the first part is the terminal passing through the base station. Transmitting data to the gateway; for transmitting downlink data, the first One part is that the gateway transmits data to the terminal through the base station; the second part of the data transmission process is data transmission between the gateway and the application server.

For the data transmission process between the first part terminal, the base station and the gateway, the embodiment of the present invention provides a transmission mode. As shown in FIG. 1, the terminal (UE), the base station eNB, and the gateway (GW) can carry an index. The information can be transmitted through the endless end bearer connection according to the index information and the node information respectively stored in the UE, the eNB, and the GW, which have a corresponding relationship with the index information. Specifically, in the case of transmitting uplink data, the endless end bearer connection means that when the terminal needs to transmit application data to the application server, the terminal may first determine the index information by using the correspondence between the index information and the application server, and then send the index information to the base station. The application data and the first identifier information including the index information may specifically send the application data and the first identifier information to the base station by using the first link, where the first link is between the base station and the terminal on the first protocol layer. Channel, the first protocol layer may be any protocol layer between the UE and the base station in FIG. 1 , for example, may be any one of a medium access control layer (MAC) or a physical layer (PHY), or FIG. 1 In the Lx layer, the Lx may be an RLC layer or a PDCP layer, and the embodiment of the present invention is not limited thereto. Optionally, the first identifier information may further include the identifier of the terminal, or may further include an identifier of the gateway, or may further include an identifier of the application server, or may further include other identifier information, which is not limited by the embodiment of the present invention. this.

After receiving the application data and the first identifier information sent by the terminal, the base station determines the gateway according to the index information in the first identifier information, and the correspondence between the index information and the gateway saved in the base station, and The gateway sends the application data and the second identifier information, where the second identifier information includes the index information, so that after the gateway receives the index information, the gateway may determine the application server, and send the application data to the application server. Optionally, the base station may send, by using the second link, a message including the application data and the first identifier information, where the second link is a channel between the base station and the gateway on the second protocol layer, where the The second protocol layer may be any protocol layer between the base station and the gateway, for example, layer one (L1), layer two (L2) or layer three (L3) in FIG.

In the embodiment of the present invention, for the second part, the data transmission between the gateway and the application server may utilize existing technologies, for example, for uplink data, the gateway may transmit the application data to the application server, which may be through the prior art. The connection mode performs data transmission, for example, data transmission through a network communication protocol TCP/IP connection, or transmission by other means in the prior art, and the embodiment of the present invention is not limited thereto.

2 shows a schematic flow of a method 100 of transmitting uplink data in accordance with an embodiment of the present invention. Figure. It should be understood that the embodiment of the present invention may be applied to the MTC, and the gateway may be an MTC gateway, a serving gateway (Serving GateWay, referred to as "SGW"), or a public data network gateway (PDN GateWay, referred to as "PGW" for short). The application server may be an MTC server, and the present invention is not limited thereto.

It should be understood that the terminal in the embodiment of the present invention may be mobile or fixed. The terminal may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication. Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks, or terminals in the future evolution of the Public Land Mobile Network (PLMN) Equipment, etc.

Specifically, as shown in FIG. 2, in the method 100, the terminal sends application data to the application server, where it can be assumed that the index information and the corresponding relationship are not saved in the terminal, the base station, and the gateway, that is, the terminal transmits the application data for the first time. To the application server, the method 100 includes:

S101. The terminal determines, according to the application server corresponding to the application data, and the first correspondence, the first correspondence is a relationship between the index information and the application server.

Specifically, when the terminal sends the application data, the corresponding application server and the gateway corresponding to the application server need to be determined. Since the terminal and the application server transmit data for the first time, the terminal may generate index information according to the application server, and simultaneously The first correspondence between the index information and the application server is established and saved, so that when the terminal sends the application data to the application server again, the index information can be obtained according to the first correspondence between the application server and the first server. In addition, the terminal may further determine a corresponding gateway according to the application server, and may establish and save a correspondence between the index information and the gateway and the application server in the terminal.

Optionally, the index information determined by the terminal may be a unique identifier, that is, the terminal may be uniquely determined according to the index information, and the terminal may uniquely determine an application server. Similarly, the base station or the gateway may also be configured according to the The index information uniquely determines the application server, and the index information can be jointly determined by the gateway and the terminal.

Optionally, the index information determined by the terminal may not be a unique identifier of the application server, that is, the base station or the gateway needs to be unique according to the combination of the index information and the identifier of the terminal. If the application server is determined, the index information may be determined only by the terminal according to the application server, or may be determined jointly by the gateway and the terminal. Correspondingly, the first correspondence established by the terminal is a combination of the terminal and the index information, and a relationship between the application server, or the first correspondence may also be a combination of the terminal and the index information, and between the gateway and the server. Relationship.

Optionally, the index information may also directly use the identifier of the terminal. Since the identifier of the terminal is generally unique, the base station and the gateway may determine, according to the index information, that is, the identifier of the terminal, the application server, which is derived from the terminal. The application data is transferred to the application server.

S102. The terminal sends application data and first identifier information to the base station, where the first identifier information includes index information. Specifically, the terminal may send a first message to the base station, where the first message includes the application data and the first identifier information.

Specifically, after the terminal determines the index information, the terminal may send the first message to the base station (eNB) by using the first link, where the first message may include application data and first identifier information, where the first link is the terminal and the A channel between base stations on the first protocol layer. For example, the first message may be received by a Random Access Channel (RACH), that is, the first message may be an uplink message in a random access process, and the uplink message may be Msg1 or Msg3; The first message may be received by other underlying links existing between the base station and the terminal. For example, the first protocol layer may be as shown in FIG. 1, the medium access control layer (MAC) between the terminal and the base station, or Physical layer (PHY), the present invention is not limited to this.

In the embodiment of the present invention, the first identifier information included in the first message further includes the identifier of the gateway and/or the identifier of the application server, for example, The identifier of the application server may be the domain name, IP address, or other form of address of the application server.

Optionally, the first identifier information may further include an identifier of the terminal, where the identifier of the terminal may be used to identify the terminal, and may also be used to search for an encryption key of the UE, for example, the identifier of the terminal may be identified by an international mobile user. The International Mobile Subscriber Identification Number (IMSI) may also be a system architecture evolutionary mobile subscriber identity (SA-Temporary Mobile Subscriber Identity (S-TMSI)).

Optionally, the first identification information may further include other identifiers, such as an Encrypt/Decrypt Para field and/or a Safe Para field. The invention is not limited thereto.

S103. The base station establishes a second correspondence according to the first identifier information, and determines a pair with the application data. The corresponding gateway, the second correspondence is the relationship between the index information and the gateway.

In the embodiment of the present invention, the first transmission is taken as an example, the base station may determine the gateway according to the identifier of the gateway in the first identification information in the first message, or according to the identifier of the application server in the first message. Determining an application server, and then determining a gateway corresponding to the application server, the base station establishing a second correspondence according to the gateway and the index information, where the second correspondence is a relationship between the index information and the gateway.

In the embodiment of the present invention, after the base station establishes the second correspondence, the base station may determine the corresponding gateway according to the index information in the first identifier information sent by the terminal and the second correspondence relationship saved in the base station, for the non-first transmission. The identifier of the gateway and the identifier of the application server may not be included in the first identifier information sent by the terminal to the base station.

Optionally, the index information determined by the terminal may be a unique identifier of the determining gateway or the application server, that is, the base station may uniquely determine an application server according to the index information according to the index information, and the first identifier is The identifier of the terminal may not be included in the information.

Optionally, the index information determined by the terminal may not be a unique identifier of the application server, that is, the base station needs to determine the application server according to the combination of the index information and the identifier of the terminal, and the first identifier information includes the index information. And the identity of the terminal. Correspondingly, the second correspondence established by the base station is a combination of the terminal and the index information, and a relationship between the gateways.

Optionally, the index information may also be an identifier of the terminal.

Optionally, for the first transmission, because the end-to-end bearer connection is not established between the base station and the gateway, the base station may further establish a second link between the base station and the gateway, where the second link is the base station and the The channel between the gateways on the second protocol layer. Optionally, as shown in FIG. 1 , the second link may be a link of any protocol layer between the base station and the gateway. For example, the second protocol layer may be Layer 2 (L2) as shown in FIG. 1 . For another example, the second link may also refer to an existing TCP/IP connection between the base station and the gateway, and the present invention is not limited thereto. The first protocol layer may be the same as the first protocol layer when the base station receives the first message sent by the terminal, or may be different, and the present invention is not limited thereto.

S104. The base station sends application data and second identifier information to the gateway, where the second identifier information includes index information. Optionally, the base station may send the second message by using the second link, where the second message includes the application data and the second identifier information, where the second link is a channel between the base station and the gateway on the second protocol layer. .

In the embodiment of the present invention, the base station may send the second message to the gateway by using the second link of the second protocol layer, where the first protocol layer and the second protocol layer may be the same or different. Optionally, here The second link may be that the base station sends the second message to the gateway through an existing TCP/IP connection; the second message may also be sent to the gateway through another connection channel.

Optionally, since the method takes the first transmission as an example, the second identifier information further includes an identifier of the application server.

Optionally, the index information determined by the terminal may be a unique identifier for determining the application server, that is, the gateway may uniquely determine an application server according to the index information in the second identifier information, and the second identifier information The identity of the terminal may not be included.

Optionally, the index information determined by the terminal may not be a unique identifier of the application server, that is, the gateway needs to determine the application server according to the combination of the index information and the identifier of the terminal, and the second base that the base station sends to the gateway. The identification information includes index information and an identifier of the terminal.

Optionally, the index information may also be an identifier of the terminal.

Optionally, the second identification information may further include other identifiers, such as an Encrypt/Decrypt Para field and/or a Safe Para field. The invention is not limited thereto.

S105. The gateway establishes a third correspondence according to the second identifier information, and determines an application server, where the third correspondence is a relationship between the index information and an application server.

In the embodiment of the present invention, the gateway may receive the second message sent by the base station by using the second link of the second protocol layer, where the second message includes application data and second identifier information. The first time transmission is used as an example, the gateway may establish a third relationship according to the second identifier information. Specifically, the gateway establishes the index information and the application according to the index information in the second identifier information and the identifier of the application server. A third correspondence between the servers, so that when the gateway receives the message including the index information, the corresponding application server may be determined according to the index information, and the application server identifier is not required to be received.

Optionally, the index information determined by the terminal may not be a unique identifier of the application server, that is, the gateway needs to determine the application server according to the combination of the index information and the identifier of the terminal, and the second identifier information includes the index information. And the identifier of the terminal, the third correspondence established by the gateway is a correspondence between the index information and the terminal, and a correspondence between the application server and the application server.

Optionally, the index information may also be an identifier of the terminal.

S106. The gateway sends application data to the application server.

In the embodiment of the present invention, after determining the application server, the gateway sends the application data originating from the base station to the application server. Optionally, the gateway may parse the second message, and obtain information about the application server in the second message, such as address information of the application server, where the address information may be an IP address, and the application data is sent by using a prior art, for example, The application data is transmitted according to a TCP/IP connection, and the present invention is not limited thereto.

In the embodiment of the present invention, for example, the gateway may obtain address information of the application server, where the address information may be an IP address of the application server, and the gateway sends the application data to the application server through a TCP/IP connection. Optionally, the identifier of the application server determined by the gateway may be a domain name, an IP address, or another form of the address of the application server. The gateway may further query the related information to obtain the address information of the application server according to the determined application server. Optionally, after obtaining the IP address, the gateway may also obtain other connection information of the application server, for example, a port number of the application server, an IP type (IPv4 or IPv6), etc., to facilitate connection to the application server through a TCP/IP connection. Send the app data.

In S107, after receiving the application data, the application server may send a feedback message (ACK/NACK message) to the gateway according to whether the application data is successfully received.

Specifically, when the feedback message indicates that the application server successfully receives the application data, the transmission process of the application data ends; when the feedback message indicates that the application server fails to receive the application data, proceed to S108.

In S108, when the gateway receives the feedback message indicating that the application server fails to receive the application data, the gateway resends the application data to the application server until the gateway receives the feedback message sent by the application server, indicating that the application data transmission is successful, or Until the number of times the gateway resends the data reaches a preset number of times, the resending of the application data is stopped. Optionally, the preset number of times can be set according to actual conditions.

In the embodiment of the present invention, the terminal, the base station, and the gateway may also perform link release. Specifically, the terminal performs contact release, that is, the terminal may delete the first correspondence stored therein, where the first correspondence may be a relationship between the index information and the application server, or may be the index information, the gateway, and the application server. The corresponding relationship between the terminal and the index information and the relationship between the application server, or the combination of the terminal and the index information, the gateway, and the application server; the terminal may also Deleting the first link between the terminal and the base station, specifically, when the first link between the terminal and the base station is not established on a common channel, Instead, when the terminal is established on a dedicated channel, the terminal can also delete the first link.

The base station performs link release, and the base station may delete the second correspondence stored therein, where the second correspondence may be a correspondence between the index information and the gateway, or may be a combination of the terminal and the index information and a correspondence between the gateways. The base station may also delete the second link between the base station and the gateway; the base station may also delete the first link between the base station and the terminal. Optionally, when the first link between the terminal and the base station is not established on the common channel but is established on the dedicated channel, the base station may also delete the first link. Optionally, the base station may delete the second link first, and then delete the first link after the deletion is successful, so that when the second link fails to be deleted, the terminal may also be notified through the first link.

The gateway performs the link release, and the gateway may delete the third correspondence that is saved, where the third correspondence is a relationship between the index information and the application server, or may be a correspondence between the terminal, the index information, and the application server. The gateway can also delete the second link between the gateway and the base station.

Specifically, the timer may be set in the terminal, and after the first correspondence is saved in the terminal, if the terminal does not send the message including the index information to the base station within the preset time, the terminal may perform link release, and The base station sends the link release indication information to indicate that the base station performs link release, and the base station may perform link release according to the link release indication information, and the base station sends the link release indication information to the gateway, where the base station instructs the gateway to perform the link. freed.

Optionally, if the index information is uniquely determined by the terminal and the gateway, that is, the index information is not related to the identifier of the terminal, and the corresponding application server or gateway may be uniquely determined by the index information, and the gateway and the terminal may be negotiated. It is determined that the link is released, that is, the base station may also receive the link release indication information sent by the gateway to perform link release, and the present invention is not limited thereto.

Optionally, a timer may be set in the terminal, the base station, and the gateway. When the message including the index information is not sent or received within a preset time, that is, when the timer expires, the terminal, the base station, and the gateway respectively The link is released, and the index information and the corresponding relationship are deleted. For example, the preset time in each device may be set to a preset time set in the gateway that is less than or equal to a preset time in the base station, and the preset time in the base station is less than or equal to the preset time in the terminal. When the timer expires, the gateway, the base station, and the terminal sequentially release the link, and delete the corresponding corresponding relationship and the corresponding link.

It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be The implementation process of the embodiments of the present invention constitutes any limitation.

Therefore, in the method for transmitting uplink data in the embodiment of the present invention, the terminal sends a first message to the base station, where the first message includes application data and first identifier information, where the first identifier information includes index information, and the base station may use the index information according to the index information. Corresponding relationship of the gateway determines the gateway, and sends a second message to the gateway, the second message includes the application data and the second identifier information, the second identifier information includes index information, so that the gateway determines the application server according to the index information, and The application data is sent to the application server, so that the number of signaling can be reduced, and the redundant process of establishing a bearer between the terminal and the gateway can be avoided, thereby improving the efficiency of the network.

FIG. 3 shows a schematic flow chart of a method 200 of downlink data transmission in accordance with an embodiment of the present invention. It should be understood that the embodiment of the present invention may be applied to the MTC, and the gateway may be an MTC gateway, an SGW, or a PGW. The application server may be an MTC server, and the present invention is not limited thereto.

It should be understood that the terminal in the embodiment of the present invention may be mobile or fixed. The terminal may refer to an access terminal, a user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user device. The access terminal can be a cellular phone, a cordless phone, a SIP phone, a WLL station, a PDA, a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a future 5G network Terminal equipment or terminal equipment in a future evolved PLMN, and the like.

As shown in FIG. 3, in the method 200, the application server sends application data to the terminal through the gateway and the base station. Here, it can be assumed that the index information and the corresponding relationship are not saved in the terminal, the base station, and the gateway, that is, the application server first applies the application. Data is transmitted to the terminal, and the method 200 includes:

S201. The application server sends an indication message to the gateway, where the indication message is used to indicate that the gateway sends application data to the terminal, where the indication message includes the application data.

In the embodiment of the present invention, the gateway receives the indication message that includes the application data that is sent by the application server, and the gateway sends the application data to the terminal according to the indication of the application server, where the indication message may further include the identifier of the terminal. It can also include the identity of the application server.

Specifically, the gateway may receive the indication message through an existing link with the application server, for example, the indication message may be received through a TCP/IP connection. In the indication message, the identifier of the terminal may also be included. For example, the identifier of the terminal may be an IMSI or an S-TMSI. Then the gateway can determine the terminal corresponding to the application data. For another example, when the gateway receives the indication message through the TCP/IP connection, the indication message may be parsed, and the terminal is determined according to the terminal IP address therein.

In the embodiment of the present invention, the gateway may further determine the application server according to the indication message. Optionally, the indication message may include an identifier of the application server, where the identifier of the application server may be a domain name, an IP address, or another form of the application server, and the application server is determined by the identifier of the application server.

S202. The gateway determines, according to the identifier of the terminal and the application server, a first correspondence relationship and index information, where the first correspondence relationship is index information, a relationship between the terminal and the application server.

For example, the method uses the first transmission as an example, and the index information corresponding to the terminal is not saved in the gateway. Therefore, the gateway generates corresponding index information according to the terminal corresponding to the application data and the application server that sends the application data, and establishes The mapping information is associated with the application server and the terminal, and the corresponding relationship may be referred to as a first correspondence. After the gateway establishes the first correspondence, the gateway may determine the index information according to the first correspondence and the identifier of the terminal in the indication message for the non-first transmission with the terminal.

S203. The gateway sends the application data and the first identifier information to the base station, where the first identifier information includes the index information. Specifically, the gateway may send a first message to the base station, where the first message includes the application data and the first identifier information.

In the embodiment of the present invention, the gateway may also establish a first link between the gateway and the base station, where the first link is a channel between the base station and the gateway on the first protocol layer, thereby passing the first protocol layer. The first link sends a first message to the base station, where the first identifier information in the first message may include the index information generated in S202, and may further include an identifier of the terminal, and may also include an identifier of the application server, for example, The identifier of the terminal may be an IMSI or an S-TMSI; the identifier of the application server may be a domain name, an IP address, or another form of the address of the application server. Optionally, the first identification information may further include an identifier of the gateway. Optionally, the first protocol layer may be any protocol layer between the gateway and the base station, for example, a TCP/IP connection established between the gateway and the base station may be utilized, for example, between the gateway and the base station as shown in FIG. Any protocol layer, such as the second protocol layer (L2), the invention is not limited thereto.

Optionally, the index information may also directly use the identifier of the terminal. Because the identifier of the terminal is generally unique, the base station may determine the terminal according to the index information, that is, the identifier of the terminal, and the application originating from the application server. Data is transmitted to the terminal.

S204. The base station establishes a second correspondence according to the first identifier information, and determines a terminal corresponding to the application data, where the second correspondence relationship is a relationship between the index information and the terminal.

In the embodiment of the present invention, after receiving the first message, the base station determines the terminal according to the identifier of the terminal in the first message, and establishes a second correspondence, where the second correspondence is between the index information and the terminal. The base station can also determine a second link between the base station and the terminal. Optionally, when the identifier of the gateway is further included in the first message, the second correspondence established by the base station may also be a correspondence between the index information and the gateway and the terminal. Optionally, the index information may also be an identifier of the terminal.

In the embodiment of the present invention, when the base station receives the index information or the identifier and index information of the gateway, the terminal may determine the terminal correspondingly, without receiving the identifier of the terminal.

S205. The base station sends application data and second identifier information to the terminal, where the second identifier information includes index information. Optionally, the base station may send the second message by using the second link, where the second message includes the application data and the second identifier information, where the second link is a channel between the base station and the gateway on the second protocol layer. .

In the embodiment of the present invention, the base station may send the second message to the terminal by using the second link, where the second message includes application data and second identifier information, where the second identifier information may include index information, and may also include an application server. The identifier may also include an identifier of the gateway. Optionally, for example, the base station may send the second message to the terminal through a paging channel.

In the embodiment of the present invention, the base station receives the first message by using the first link on the first protocol layer, and sends the second message by using the second link on the second protocol layer, the second protocol layer and the first protocol layer. Can be the same or different. For example, as shown in FIG. 1, the first protocol layer may be any protocol layer between the base station and the gateway, such as layer one (L1); the second protocol layer may be any protocol layer between the base station and the terminal, such as The MAC layer, in which case the first protocol layer is different from the second protocol layer.

S206. The terminal establishes a third correspondence according to the second identifier information, and determines an application entity corresponding to the application data, and sends the application data to the application entity, where the third correspondence is The relationship between the index information in the second identification information and the application server.

In the embodiment of the present invention, the terminal may receive the second message by using the second link, where the second link is a channel between the terminal and the base station on the second protocol layer. The method takes the first transmission as an example. Therefore, the terminal can establish a correspondence between the index information and the application server according to the index information and the identifier of the application server in the second identifier information, where the correspondence is the third correspondence. relationship. Optionally, the second identifier information may further include a gateway, or the terminal may establish a corresponding gateway by using the application server, where the third correspondence established by the terminal may also be between the index information, the gateway, and the application server. The present invention is not limited to this.

The terminal determines, according to the determined application server, an application entity corresponding to the application server, and sends the received application data to the application entity.

In the embodiment of the present invention, the terminal, the base station, and the gateway may also perform link release. Specifically, the gateway performs the link release, that is, the gateway may delete the first correspondence stored therein, where the first correspondence may be the mapping information, the correspondence between the terminal and the application server; the gateway may also delete the saved gateway and The first link between the base stations.

The base station performs the link release, that is, the base station can delete the second correspondence stored therein, where the second correspondence is the gateway, the index information, and the correspondence between the terminals; the base station can also delete the saved between the base station and the gateway. A link; the base station can also delete the second link between the base station and the terminal. Optionally, when the second link between the terminal and the base station is not established on the common channel but is established on the dedicated channel, the base station may also delete the second link.

The terminal performs the link release, that is, the terminal can delete the third corresponding relationship saved therein, the third correspondence relationship can be the correspondence between the index information and the application server, and the third correspondence relationship can also be the index information, the gateway, and the application. Correspondence between servers. The terminal may also delete the second link between the terminal and the base station. Specifically, when the second link between the terminal and the base station is not established on the common channel but is established on the dedicated channel, the terminal further The second link can be deleted.

Specifically, a timer may be set in the gateway. After the first correspondence is saved in the gateway, if the gateway does not need to send a message including the index information to the base station within a preset time, the gateway may perform link release. And transmitting the link release indication information to the base station, instructing the base station to perform link release, the base station may perform link release according to the received link release indication information, and the base station sends the link release indication information to the terminal, Used to instruct the terminal to perform link release.

Optionally, a timer may be set in the terminal, the base station, and the gateway. When the message including the index information is not sent or received within a preset time, that is, when the timer expires, the terminal, The base station and the gateway respectively perform link release, and delete the saved index information and the corresponding relationship. The preset time may be set according to an actual setting. For example, the preset time set in the gateway may be set to be greater than or equal to a preset time in the base station, and the preset time in the base station is greater than or equal to the preset time in the terminal. When the timer expires, the terminal, the base station, and the gateway sequentially release the link, delete the corresponding corresponding relationship, and delete the first link or the second link.

It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be directed to the embodiments of the present invention. The implementation process constitutes any limitation.

Therefore, in the method for transmitting downlink data, the gateway sends a first message to the base station, where the first message includes application data and first identifier information, where the first identifier information includes index information, and the base station can determine according to the index information. The terminal sends a second message to the terminal, where the second message includes the application data and the second identifier information, where the second identifier information includes index information, so that the terminal can determine the application server according to the index information, and further determine the application entity. And sending the application data to the application entity, thereby reducing the number of signaling and avoiding a redundant process of establishing a bearer between the terminal and the gateway, thereby improving network efficiency.

The method of data transmission according to an embodiment of the present invention is described in detail above with reference to FIGS. 1 through 3. Referring to FIG. 4 to FIG. 13, an apparatus for transmitting uplink or downlink data according to an embodiment of the present invention will be described.

As shown in FIG. 4, a base station 300 for transmitting data according to an embodiment of the present invention includes:

The receiving unit 310 is configured to receive a target message that is sent by the first node, where the target message includes application data and first identifier information, where the first identifier information includes index information;

a determining unit 320, configured to determine, according to the first identifier information and the first correspondence, a second node corresponding to the application data, where the first correspondence relationship is a relationship between the index information and the second node;

The sending unit 330 is configured to send the application data and the second identifier information to the second node, where the second identifier information includes the index information, where the second identifier information is used to determine information of a node that transmits the application data.

It should be understood that the determining unit 320 herein may be a control center of the base station, and connect various parts of the entire base station by using various interfaces and lines, and execute various functions of the base station by running or executing software programs and/or modules, and calling data. And/or process data. The determining unit 320 may be composed of an integrated circuit (IC), for example, may be composed of a single packaged IC. It can also be composed of a packaged IC that connects multiple identical functions or different functions. For example, the determining unit 320 may include only a central processing unit (CPU), or may be a CPU, a digital signal processor (DSP), or a graphics processing unit (GPU). And a combination of control chips (eg, baseband chips) in the communication unit. In the embodiment of the present invention, the CPU may be a single operation core, and may also include multiple operation cores.

It should be understood that the receiving unit 310 and the transmitting unit 330 herein can implement related operations, for example, through a radio frequency circuit, which can be used for transmitting and receiving information or receiving and transmitting signals. For example, the received message of the base station is sent to the determining unit for processing; or, the data in the base station may be sent to the terminal or the gateway. Typically, the radio frequency circuit includes well-known circuitry for performing these functions, including but not limited to antenna systems, radio frequency transceivers, one or more amplifiers, tuners, one or more oscillators, digital signal processors, codecs ( Codec) Chipset, Subscriber Identity Module (SIM) card, memory, etc. Further, the radio frequency circuit can also communicate with the network and other devices through wireless communication, but the present invention is not limited thereto.

Optionally, the first identifier information includes an identifier of the second node, where the first correspondence is established by the base station according to the index information and the second node.

Optionally, the first identifier information further includes an identifier of the first node, where the second identifier information further includes an identifier of the first node, where the first correspondence is a combination of the first node and the index information, and The relationship between the second nodes.

Optionally, when the first node is a terminal, and the second node is a gateway, the receiving unit 310 is specifically configured to: receive, by using a random access procedure, an uplink message sent by the terminal, where the uplink message includes the application data and The first identification information.

Optionally, when the second node is a terminal, and the first node is a gateway, the sending unit 330 is specifically configured to: send the application data and the second identifier information to the terminal by using a paging channel.

It should be understood that the base station 300 transmitting uplink data according to an embodiment of the present invention may correspond to the related procedures of performing the base station in the method 100 in the embodiment of the present invention, and the above and other operations and/or functions of the respective units in the base station 300. For the sake of brevity, the corresponding processes of the base station in the method in FIG. 2 are respectively omitted.

Therefore, the base station transmitting the uplink data in the embodiment of the present invention receives the target message that includes the application data and the first identifier information that is sent by the first node, and the first correspondence between the index information in the first identifier information and the second node. The base station determines the second node and sends an application to the second node The data and the second identifier information, the second identifier information includes the index information, where the second identifier information can be used to determine information about a node that transmits the application data, and can reduce signaling between the terminal and the base station, the base station, and the gateway. Avoid redundant processes for establishing bearers between the terminal and the gateway, thereby improving the efficiency of the network.

As shown in FIG. 5, the terminal 400 for transmitting uplink data according to an embodiment of the present invention includes:

The determining unit 410 is configured to determine, according to the application server corresponding to the application data, and the first correspondence, the first correspondence is a relationship between the index information and the application server;

The sending unit 420 is configured to send a target message to the base station, where the target message includes the application data and the first identifier information, where the first identifier information includes the index information.

It should be understood that the determining unit 410 herein may be a control center of the terminal, and connect various parts of the entire terminal by using various interfaces and lines, and execute various functions of the terminal by running or executing software programs and/or modules, and calling data. And/or process data. The determining unit 410 may be composed of an IC, for example, may be composed of a single packaged IC, or may be composed of a plurality of packaged ICs that have the same function or different functions. For example, the determining unit 320 may include only a CPU, or may be a combination of a CPU, a DSP, a GPU, and a control chip (for example, a baseband chip) in the communication unit. In the embodiment of the present invention, the CPU may be a single operation core, and may also include multiple operation cores.

It should be understood that the transmitting unit 420 herein can implement related operations, for example, through a radio frequency circuit, which can be used for information transceiving or receiving and transmitting signals. For example, the received message of the terminal is sent to the determining unit for processing; or, the data may be sent to the base station. Typically, the radio frequency circuit includes well-known circuitry for performing these functions, including but not limited to antenna systems, radio frequency transceivers, one or more amplifiers, tuners, one or more oscillators, digital signal processors, codecs ( Codec) Chipset, Subscriber Identity Module (SIM) card, memory, etc. Further, the radio frequency circuit can also communicate with the network and other devices through wireless communication, but the present invention is not limited thereto.

Optionally, the first correspondence is the relationship between the index information, the gateway, and the application server, where the gateway corresponds to the application server, and the first identifier information further includes an identifier of the application server and/or the gateway. Logo.

Optionally, the first correspondence is a combination of the index information and the terminal, and a relationship with the application server, where the first identifier information further includes an identifier of the terminal.

Optionally, the sending unit 420 is specifically configured to: send an uplink message to the base station by using a random access procedure, where the uplink message includes the application data and the first identifier information.

It should be understood that the terminal 400 transmitting uplink data according to an embodiment of the present invention may correspond to the execution of the present The method 100 in the embodiment of the present invention, and the above-mentioned and other operations and/or functions of the respective units in the terminal 400 are respectively implemented in order to implement the corresponding processes of the terminal in the method in FIG. 2, and are not described herein again for brevity.

Therefore, the terminal that transmits the uplink data in the embodiment of the present invention sends the target message to the base station, where the target message includes the application data and the first identifier information, where the first identifier information includes index information, so that the base station can use the index information according to the index information. The corresponding relationship with the gateway determines the gateway, and sends the application data and the second identifier information including the index information to the gateway, so that the gateway determines the application server according to the second identifier information, and sends the application data to the application server, thereby The number of signaling can be reduced, and the redundant process of establishing a bearer between the terminal and the gateway can be avoided, thereby improving the efficiency of the network.

As shown in FIG. 6, the gateway 500 for transmitting uplink data according to an embodiment of the present invention includes:

The receiving unit 510 is configured to receive application data and first identifier information that are sent by the base station, where the application data is originated by the terminal, where the first identifier information includes index information.

The determining unit 520 is configured to determine, according to the first identifier information and the first correspondence, an application server, where the first correspondence is a relationship between the index information and the application server;

The sending unit 530 is configured to send the application data to the application server.

It should be understood that the determining unit 520 herein may be a control center of the gateway, which uses various interfaces and lines to connect various parts of the entire gateway, and executes various functions of the gateway by running or executing software programs and/or modules, and calling data. And/or process data. The determining unit 520 may be composed of an IC, for example, may be composed of a single packaged IC, or may be composed of a plurality of packaged ICs that have the same function or different functions. For example, the determining unit 320 may include only a CPU, or may be a combination of a CPU, a DSP, a GPU, and a control chip (for example, a baseband chip) in the communication unit. In the embodiment of the present invention, the CPU may be a single operation core, and may also include multiple operation cores.

It should be understood that the receiving unit 510 and the transmitting unit 530 herein can implement related operations, for example, through a radio frequency circuit, which can be used for information transceiving or receiving and transmitting signals. For example, the message received by the gateway is sent to the determining unit for processing; or, the data may be sent to the base station in the gateway. Typically, the radio frequency circuit includes well-known circuitry for performing these functions, including but not limited to antenna systems, radio frequency transceivers, one or more amplifiers, tuners, one or more oscillators, digital signal processors, codecs ( Codec) Chipset, Subscriber Identity Module (SIM) card, memory, etc. Further, the radio frequency circuit can also communicate with the network and other devices through wireless communication, but the present invention is not limited thereto.

Optionally, the first identifier information includes an identifier of the application server, where the first correspondence is established by the gateway according to the index information and the application server.

Optionally, the first identifier information further includes an identifier of the terminal, where the first correspondence is a combination of the terminal and the index information, and a relationship between the terminal and the application server.

It should be understood that the gateway 500 for transmitting uplink data according to an embodiment of the present invention may correspond to the gateway in the method 100 in the embodiment of the present invention, and the above and other operations and/or functions of the respective units in the gateway 500 are respectively implemented. The corresponding process of the gateway in the method in FIG. 2 is not described here for brevity.

Therefore, the gateway that transmits the uplink data in the embodiment of the present invention can receive the application data and the first identifier information that are sent by the base station, and the gateway can use the mapping between the index information in the first identifier information and the application server. The application server is determined, and the application data is sent to the application server, so that the number of signaling can be reduced, and a redundant process of establishing a bearer between the terminal and the gateway can be avoided, thereby improving network efficiency.

As shown in FIG. 7, the gateway 600 for transmitting downlink data according to an embodiment of the present invention includes:

The determining unit 610 is configured to determine, according to the terminal corresponding to the application data and the first correspondence, the index information, where the application data is derived from an application server, where the first correspondence is the index information, and the relationship between the application server and the terminal ;

The sending unit 620 is configured to send a target message to the base station, where the target message includes the application data and first identifier information, where the first identifier information includes the index information.

It should be understood that the determining unit 610 herein may be a control center of the gateway, which uses various interfaces and lines to connect various parts of the entire gateway, and executes various functions of the gateway by running or executing software programs and/or modules, and calling data. And/or process data. The determining unit 610 may be composed of an IC, for example, may be composed of a single packaged IC, or may be composed of a plurality of packaged ICs that have the same function or different functions. For example, the determining unit 320 may include only a CPU, or may be a combination of a CPU, a DSP, a GPU, and a control chip (for example, a baseband chip) in the communication unit. In the embodiment of the present invention, the CPU may be a single operation core, and may also include multiple operation cores.

It should be understood that the transmitting unit 620 herein can implement related operations, for example, through a radio frequency circuit, which can be used for information transceiving or receiving and transmitting signals. For example, the message received by the gateway is sent to the determining unit for processing; or, the data may be sent to the base station in the gateway. Typically, the radio frequency circuit includes well-known circuitry for performing these functions, including but not limited to antenna systems, radio frequency transceivers, one or more amplifiers, tuners, one or more oscillators, digital signal processing , Codec chipset, Subscriber Identity Module (SIM) card, memory, and more. Further, the radio frequency circuit can also communicate with the network and other devices through wireless communication, but the present invention is not limited thereto.

Optionally, the gateway may further include: a receiving unit, configured to receive an indication message sent by the application server, where the indication message is used to instruct the gateway to send the application data to the terminal.

Optionally, the first identification information further includes an identifier of the terminal.

Optionally, the first identification information further includes an identifier of the gateway.

It should be understood that the gateway 600 for transmitting downlink data according to an embodiment of the present invention may correspond to the gateway in the method 200 in the embodiment of the present invention, and the above and other operations and/or functions of the respective units in the gateway 600 are respectively implemented. The corresponding flow of the gateway in the method in FIG. 3 is not repeated here for brevity.

Therefore, the gateway for transmitting downlink data in the embodiment of the present invention determines the index information by using the correspondence between the root application server, the terminal, and the index information; the gateway sends the target message to the base station, where the target message includes the application data and the first Identification information, the first identification information includes the index information, so that the base station can determine the terminal according to the index information, and send the application data to the terminal, thereby reducing the number of signaling and avoiding establishing a bearer between the terminal and the gateway. The redundant process, which can improve the efficiency of the network.

As shown in FIG. 8, the terminal 700 for transmitting downlink data according to an embodiment of the present invention includes:

The receiving unit 710 is configured to receive application data and first identifier information that are sent by the base station, where the first identifier information includes index information, where the application data is from an application server;

The determining unit 720 is configured to determine, according to the first identifier information and the first correspondence, an application entity corresponding to the application server, where the first correspondence is a relationship between the index information and the application server;

The sending unit 730 is configured to send the application data to the application entity.

It should be understood that the determining unit 720 herein may be a control center of the terminal, and connect various parts of the entire terminal by using various interfaces and lines, and execute various functions of the terminal by running or executing software programs and/or modules, and calling data. And/or process data. The determining unit 720 may be composed of an IC, for example, may be composed of a single packaged IC, or may be composed of a plurality of packaged ICs that have the same function or different functions. For example, the determining unit 320 may include only a CPU, or may be a combination of a CPU, a DSP, a GPU, and a control chip (for example, a baseband chip) in the communication unit. In the embodiment of the present invention, the CPU may be a single operation core, and may also include multiple operation cores.

It should be understood that the receiving unit 710 and the transmitting unit 730 herein can implement related operations, for example, through a radio frequency circuit, which can be used for information transceiving or receiving and transmitting signals. For example, the received message of the terminal is sent to the determining unit for processing; or, the data may be sent to the base station. Typically, the radio frequency circuit includes well-known circuitry for performing these functions, including but not limited to antenna systems, radio frequency transceivers, one or more amplifiers, tuners, one or more oscillators, digital signal processors, codecs ( Codec) Chipset, Subscriber Identity Module (SIM) card, memory, etc. Further, the radio frequency circuit can also communicate with the network and other devices through wireless communication, but the present invention is not limited thereto.

Optionally, the first identifier information includes an identifier of the application server, where the first correspondence is established by the terminal according to the index information and the application server.

Optionally, the first identifier information further includes an identifier of a gateway corresponding to the application server, where the first correspondence is the index information, a relationship between the gateway and the application server.

Optionally, the receiving unit 710 is specifically configured to: receive, by using a paging channel, the application data and the first identifier information sent by the base station.

It should be understood that the terminal 700 for transmitting downlink data according to an embodiment of the present invention may correspond to the terminal in the method 200 in the embodiment of the present invention, and the above and other operations and/or functions of the respective units in the terminal 700 are respectively implemented. The corresponding flow of the terminal in the method in FIG. 3 is not described herein for brevity.

Therefore, the terminal that transmits the downlink data in the embodiment of the present invention determines the application data originating from the application server and the first identifier information including the index information sent by the base station, and the terminal determines according to the correspondence between the index information and the application server. The application entity sends the application data to the application entity, thereby reducing the number of signaling and avoiding a redundant process of establishing a bearer between the terminal and the gateway, thereby improving network efficiency.

As shown in FIG. 9, an embodiment of the present invention further provides a base station 800 for transmitting uplink data, where the base station 800 includes a processor 810, a memory 820, and a transceiver 830. The processor 810, the memory 820 and the transceiver 830 are connected to each other. The memory 820 is used to store instructions, and the processor 810 is configured to execute the instructions stored in the memory 820 to control the transceiver 830 to send and receive signals. The transceiver 830 is configured to receive a target message that is sent by the first node, where the target message includes application data and first identifier information, where the first identifier information includes index information, and the processor 810 is configured to: Determining, by the first identifier information and the first correspondence, a second node corresponding to the application data, where the first correspondence is a relationship between the index information and the second node; the transceiver 830 And the method is: sending the application data and the second identifier information to the second node, where the second identifier information includes the index information, where the second identifier information is used to determine information of a node that transmits the application data.

Therefore, the base station transmitting the uplink data in the embodiment of the present invention receives the target message that includes the application data and the first identifier information that is sent by the first node, and the first correspondence between the index information in the first identifier information and the second node. The base station determines the second node, and sends application data and second identifier information to the second node, where the second identifier information includes the index information, where the second identifier information can be used to determine information of a node that transmits the application data. The number of signaling between the terminal and the base station, the base station and the gateway can be reduced, and the redundancy process of the bearer between the terminal and the gateway can be avoided, thereby improving the efficiency of the network.

It should be understood that in the embodiment of the present invention, the processor 810 may be a CPU, and the processor 810 may also be other general-purpose processors, DSPs, application specific integrated circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components, and more. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 820 can include read only memory and random access memory and provides instructions and data to the processor 810. A portion of the memory 820 may also include a non-volatile random access memory. For example, the memory 820 can also store information of the device type.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 810 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 820, and the processor 810 reads the information in the memory 820 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

Optionally, when the first node is a terminal, and the second node is a gateway, the transceiver 830 is specifically configured to: receive, by using a random access procedure, an uplink message sent by the terminal, where the uplink message includes The application data and the first identification information.

Optionally, when the second node is a terminal, and the first node is a gateway, the transceiver 830 is specifically configured to: send the application data and the second identifier information to the terminal by using a paging channel.

It should be understood that the base station 800 transmitting uplink data according to an embodiment of the present invention may correspond to the base station 300 in the embodiment of the present invention, and may correspond to performing base stations in the method 100 according to an embodiment of the present invention, and each of the base stations 800 The foregoing and other operations and/or functions of the module are respectively implemented in order to implement the corresponding processes of the base station in the method in FIG. 2, and are not described herein again for brevity.

As shown in FIG. 10, an embodiment of the present invention further provides a terminal 900 for transmitting uplink data, where the terminal 900 includes a processor 910 and a transceiver 930. The processor 910, the memory 920 and the transceiver 930 are connected to each other. The memory 920 is used to store instructions, and the processor 910 is configured to execute the instructions stored in the memory 920 to control the transceiver 930 to send and receive signals. The processor 910 is configured to: determine, according to the application server corresponding to the application data, and the first correspondence, the first correspondence is a relationship between the index information and the application server; the transceiver 930 is configured to: And sending the target message to the base station, where the target message includes the application data and the first identifier information, where the first identifier information includes the index information.

It should be understood that, in the embodiment of the present invention, the processor 910 may be a CPU, and the processor 910 may also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), Ready-to-use programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and more. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 920 can include read only memory and random access memory and provides instructions and data to the processor 910. A portion of the memory 920 may also include a non-volatile random access memory. For example, the memory 920 can also store information of the device type.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 910 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 920, and the processor 910 reads the information in the memory 920 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

Optionally, the transceiver 930 is configured to send an uplink message to the base station by using a random access procedure, where the uplink message includes the application data and the first identifier information.

It should be understood that the terminal 900 for transmitting uplink data according to an embodiment of the present invention may correspond to the terminal 400 in the embodiment of the present invention, and may correspond to a terminal in the method 100 according to an embodiment of the present invention, and each of the terminals 900 The foregoing and other operations and/or functions of the modules are respectively implemented in order to implement the corresponding processes of the terminals in the method in FIG. 3, and are not described herein again for brevity.

As shown in FIG. 11 , an embodiment of the present invention further provides a gateway 1000 for transmitting uplink data, where the gateway 1000 includes a processor 1010, a memory 1020, and a transceiver 1030. The processor 1010, the memory 1020 and the transceiver 1030 are connected to each other. The memory 1020 is configured to store instructions, and the processor 1010 is configured to execute the instructions stored by the memory 1020 to control the transceiver 1030 to send and receive signals. The transceiver 1030 is configured to: receive the application data sent by the base station, and the first identifier information, where the application data is from the terminal, the first identifier information includes index information, and the processor 1010 is configured to: according to the first identifier information And determining, by the first correspondence, the application server, the first correspondence is a relationship between the index information and the application server; the transceiver 1030 is configured to: send the application data to the application server.

It should be understood that in the embodiment of the present invention, the processor 1010 may be a CPU, and the processor 1010 may also be other general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), and off-the-shelf programmable gate arrays. (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1020 can include read only memory and random access memory and provides instructions and data to the processor 1010. A portion of the memory 1020 may also include a non-volatile random access memory. For example, the memory 1020 can also store information of the device type.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1010 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1020, and the processor 1010 reads the information in the memory 1020 and performs the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

It should be understood that the gateway 1000 for transmitting uplink data according to an embodiment of the present invention may correspond to the gateway 500 in the embodiment of the present invention, and may correspond to a gateway in the method 100 according to an embodiment of the present invention, and each of the gateways 1000 The foregoing and other operations and/or functions of the modules are respectively implemented in order to implement the corresponding processes of the gateway in the method in FIG. 2, and are not described herein again for brevity.

As shown in FIG. 12, an embodiment of the present invention further provides a gateway 1100 for transmitting downlink data, where the gateway 1100 includes a processor 1110, a memory 1120, and a transceiver 1130. The processor 1110 and the memory 1120 are connected to a transceiver 1120. The memory 1120 is configured to store an instruction, and the processor 1110 is configured to execute an instruction stored by the memory 1120 to control the transceiver 1130 to send and receive signals. The processor 1110 is configured to: determine, according to the terminal corresponding to the application data and the first correspondence, the index information, where the application data is from an application server, where the first correspondence is the index information, the application server, and the terminal The transceiver 1130 is configured to: send a target message to the base station, where the target message includes the application data and the first identifier information, where the first identifier information includes the index information.

It should be understood that, in the embodiment of the present invention, the processor 1110 may be a CPU, and the processor 1110 may also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), and off-the-shelf programmable gate arrays. (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1120 can include read only memory and random access memory and provides instructions and data to the processor 1110. A portion of the memory 1120 can also include a non-volatile random access memory. For example, the memory 1120 can also store information of the device type.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1110 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1120, and the processor 1110 reads the information in the memory 1120 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

Optionally, the transceiver 1130 is specifically configured to: receive an indication message sent by the application server, where the indication message is used to instruct the gateway to send the application data to the terminal.

It should be understood that the gateway 1100 for transmitting downlink data according to an embodiment of the present invention may correspond to the gateway 600 in the embodiment of the present invention, and may correspond to a gateway in the method 200 according to an embodiment of the present invention, and each of the gateways 1100 The foregoing and other operations and/or functions of the modules are respectively implemented in order to implement the corresponding processes of the gateway in the method in FIG. 3, and are not described herein again for brevity.

As shown in FIG. 13 , an embodiment of the present invention further provides a terminal 1200 for transmitting downlink data, where the terminal 1200 includes a processor 1210, a memory 1220, and a transceiver 1230. The processor 1210, the memory 1220 and the transceiver 1230 are connected to each other. The memory 1220 is configured to store instructions, and the processor 1210 is configured to execute the instructions stored in the memory 1220 to control the transceiver 1230 to send and receive signals. The transceiver 1230 is configured to: receive application data and first identifier information sent by the base station, where the first identifier information includes index information, where the application data is originated from an application server; and the processor 1210 is configured to: according to the first identifier Information and first correspondence, determined with the application server Corresponding application entity, the first correspondence is a relationship between the index information and the application server; the transceiver 1230 is configured to: send the application data to the application entity.

It should be understood that in the embodiment of the present invention, the processor 1210 may be a CPU, and the processor 1210 may also be other general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), and off-the-shelf programmable gate arrays. (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1220 can include read only memory and random access memory and provides instructions and data to the processor 1210. A portion of the memory 1220 may also include a non-volatile random access memory. For example, the memory 1220 can also store information of the device type.

In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1210 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1220, and the processor 1210 reads the information in the memory 1220 and, in conjunction with its hardware, performs the steps of the above method. To avoid repetition, it will not be described in detail here.

Optionally, the transceiver 1230 is specifically configured to: receive, by using a paging channel, the application data and the first identifier information sent by the base station.

It should be understood that the terminal 1200 for transmitting downlink data according to an embodiment of the present invention may correspond to the terminal 700 in the embodiment of the present invention, and may correspond to a terminal in the method 200 according to an embodiment of the present invention, and each of the terminals 1200 The above and other operations and/or functions of the module are respectively The corresponding process of the terminal in the method in FIG. 3 is implemented. For brevity, details are not described herein again.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present invention is essentially or a part contributing to the prior art or a part of the technical solution. The points may be embodied in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform various embodiments of the present invention All or part of the steps of the method. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

A method for data transmission, comprising:

Receiving, by the base station, a target message sent by the first node, where the target message includes application data and first identifier information, where the first identifier information includes index information;

Determining, by the base station, the second node corresponding to the application data according to the first identifier information and the first correspondence, where the first correspondence is a relationship between the index information and the second node;

Sending, by the base station, the application data and the second identifier information to the second node, where the second identifier information includes the index information, where the second identifier information is used to determine information about a node that transmits the application data. .
The method according to claim 1, wherein the first identification information comprises an identifier of the second node, and the first correspondence is that the base station establishes according to the index information and the second node of.
The method according to claim 1 or 2, wherein the first identification information further includes an identifier of the first node, and the second identification information further includes an identifier of the first node, where the A correspondence relationship is a relationship between the combination of the first node and the index information and the second node.
The method according to any one of claims 1 to 3, wherein when the first node is a terminal and the second node is a gateway, the base station receives a target message sent by the first node, including :

The base station receives an uplink message sent by the terminal by using a random access procedure, where the uplink message includes the application data and the first identifier information.
The method according to any one of claims 1 to 3, wherein when the second node is a terminal and the first node is a gateway, the base station sends the application to the second node. Data and second identification information, including:

The base station sends the application data and the second identification information to the terminal by using a paging channel.
A method for uplink data transmission, comprising:

The terminal determines the index information according to the application server corresponding to the application data and the first correspondence, where the first correspondence is a relationship between the index information and the application server;

Transmitting, by the terminal, a target message to a base station, where the target message includes the application data and the first Identification information, wherein the first identification information includes the index information.
The method according to claim 6, wherein the first correspondence is the index information, the relationship between the gateway and the application server, and the gateway corresponds to the application server, the first The identification information also includes an identification of the application server and/or an identification of the gateway.
The method according to claim 6 or 7, wherein the first correspondence is a combination of the index information and the terminal, and a relationship between the application server and the first identifier information. The identifier of the terminal is included.
The method according to any one of claims 6 to 8, wherein the terminal sends a target message to the base station, including:

The terminal sends an uplink message to the base station by using a random access procedure, where the uplink message includes the application data and the first identifier information.
A method for uplink data transmission, comprising:

The gateway receives application data and first identifier information sent by the base station, where the application data is originated by the terminal, and the first identifier information includes index information;

Determining, by the gateway, the application server according to the first identifier information and the first correspondence, where the first correspondence is a relationship between the index information and the application server;

The gateway sends the application data to the application server.
The method according to claim 10, wherein the first identification information comprises an identifier of the application server, and the first correspondence is established by the gateway according to the index information and the application server.
The method according to claim 10 or 11, wherein the first identification information further includes an identifier of the terminal, and the first correspondence is a combination of the terminal and the index information, and the The relationship between the application servers.
A method for downlink data transmission, comprising:

The gateway determines the index information according to the terminal corresponding to the application data and the first correspondence, the application data is derived from the application server, and the first correspondence is the index information, the relationship between the application server and the terminal. ;

The gateway sends a target message to the base station, where the target message includes the application data and first identifier information, and the first identifier information includes the index information.
The method of claim 13 wherein the method further comprises:

The gateway receives an indication message sent by the application server, where the indication message is used to instruct the gateway to send the application data to the terminal.
The method according to claim 13 or 14, wherein the first identification information further comprises an identifier of the terminal.
The method according to any one of claims 13 to 15, wherein the first identification information further comprises an identifier of the gateway.
A method for downlink data transmission, comprising:

Receiving, by the terminal, application data and first identifier information sent by the base station, where the first identifier information includes index information, where the application data is from an application server;

Determining, by the terminal, an application entity corresponding to the application server according to the first identifier information and the first correspondence relationship, where the first correspondence relationship is a relationship between the index information and the application server;

The terminal sends the application data to the application entity.
The method according to claim 17, wherein the first identification information comprises an identifier of the application server, and the first correspondence is established by the terminal according to the index information and the application server.
The method according to claim 17 or 18, wherein the first identification information further includes an identifier of a gateway corresponding to the application server, where the first correspondence is the index information, the gateway and The relationship between the application servers.
The method according to any one of claims 17 to 19, wherein the terminal receives application data and first identification information sent by the base station, including:

The terminal receives the application data and the first identification information sent by the base station by using a paging channel.
A base station for transmitting data, comprising:

a receiving unit, configured to receive a target message sent by the first node, where the target message includes application data and first identifier information, where the first identifier information includes index information;

a determining unit, configured to determine, according to the first identifier information and the first correspondence, a second node corresponding to the application data, where the first correspondence relationship is between the index information and the second node relationship;

a sending unit, configured to send the application data and the second identifier information to the second node, where the second identifier information includes the index information, where the second identifier information is used to determine the transmission Information about the nodes of the data.
The base station according to claim 21, wherein the first identification information includes an identifier of the second node, and the first correspondence is that the base station establishes according to the index information and the second node. of.
The base station according to claim 21 or 22, wherein the first identification information further includes an identifier of the first node, and the second identification information further includes an identifier of the first node, where the A correspondence relationship is a relationship between the combination of the first node and the index information and the second node.
The base station according to any one of claims 21 to 23, wherein when the first node is a terminal and the second node is a gateway, the receiving unit is specifically configured to:

Receiving, by the random access procedure, an uplink message sent by the terminal, where the uplink message includes the application data and the first identifier information.
The base station according to any one of claims 21 to 23, wherein when the second node is a terminal and the first node is a gateway, the sending unit is specifically configured to:

Transmitting the application data and the second identification information to the terminal through a paging channel.
A terminal for transmitting data, comprising:

a determining unit, configured to determine index information according to the application server corresponding to the application data and the first correspondence, where the first correspondence is a relationship between the index information and the application server;

And a sending unit, configured to send a target message to the base station, where the target message includes the application data and first identifier information, where the first identifier information includes the index information.
The terminal according to claim 26, wherein the first correspondence is the index information, a relationship between a gateway and the application server, and the gateway corresponds to the application server, the first The identification information also includes an identification of the application server and/or an identification of the gateway.
The terminal according to claim 26 or 27, wherein the first correspondence is a combination of the index information and the terminal, and a relationship between the application server and the first identifier information. The identifier of the terminal is included.
The terminal according to any one of claims 26 to 28, wherein the transmitting unit is specifically configured to:

Sending an uplink message to the base station by using a random access procedure, where the uplink message includes the response The data and the first identification information are used.
A gateway for transmitting uplink data, comprising:

a receiving unit, configured to receive application data and first identifier information sent by the base station, where the application data is originated by the terminal, and the first identifier information includes index information;

a determining unit, configured to determine, according to the first identifier information and the first correspondence, an application server, where the first correspondence relationship is a relationship between the index information and the application server;

And a sending unit, configured to send the application data to the application server.
The gateway according to claim 30, wherein the first identification information comprises an identifier of the application server, and the first correspondence is established by the gateway according to the index information and the application server.
The gateway according to claim 30 or 31, wherein the first identification information further includes an identifier of the terminal, and the first correspondence is a combination of the terminal and the index information, and the The relationship between the application servers.
A gateway for transmitting downlink data, comprising:

a determining unit, configured to determine, according to the terminal corresponding to the application data and the first correspondence, the index information, where the application data is from an application server, where the first correspondence is the index information, the application server, and the terminal The relationship between;

And a sending unit, configured to send a target message to the base station, where the target message includes the application data and first identifier information, where the first identifier information includes the index information.
The gateway according to claim 33, wherein the gateway further comprises:

The receiving unit is configured to receive an indication message sent by the application server, where the indication message is used to instruct the gateway to send the application data to the terminal.
The gateway according to claim 33 or 34, wherein the first identification information further comprises an identifier of the terminal.
The method according to any one of claims 33 to 35, wherein the first identification information further comprises an identifier of the gateway.
A terminal for transmitting downlink data, comprising:

a receiving unit, configured to receive application data and first identifier information sent by the base station, where the first identifier information includes index information, where the application data is from an application server;

a determining unit, configured to determine, according to the first identifier information and the first correspondence, an application entity corresponding to the application server, where the first correspondence is the index information and the application service Relationship between servers;

And a sending unit, configured to send the application data to the application entity.
The terminal according to claim 37, wherein the first identification information includes an identifier of the application server, and the first correspondence is established by the terminal according to the index information and the application server.
The terminal according to claim 37 or claim 38, wherein the first identification information further includes an identifier of a gateway corresponding to the application server, where the first correspondence is the index information, the gateway and The relationship between the application servers.
The terminal according to any one of claims 37 to 39, wherein the receiving unit is specifically configured to:

Receiving, by using a paging channel, the application data and the first identification information sent by the base station.