CN109246751B - Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system) - Google Patents

Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system) Download PDF

Info

Publication number
CN109246751B
CN109246751B CN201710401835.1A CN201710401835A CN109246751B CN 109246751 B CN109246751 B CN 109246751B CN 201710401835 A CN201710401835 A CN 201710401835A CN 109246751 B CN109246751 B CN 109246751B
Authority
CN
China
Prior art keywords
terminal
downlink data
sgw
caching
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710401835.1A
Other languages
Chinese (zh)
Other versions
CN109246751A (en
Inventor
聂衡
毛聪杰
朱雪田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Telecom Corp Ltd
Original Assignee
China Telecom Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Telecom Corp Ltd filed Critical China Telecom Corp Ltd
Priority to CN201710401835.1A priority Critical patent/CN109246751B/en
Publication of CN109246751A publication Critical patent/CN109246751A/en
Application granted granted Critical
Publication of CN109246751B publication Critical patent/CN109246751B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method, a device and a system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station), and relates to the field of information communication. Receiving a downlink data confirmation message sent by an MME, wherein the downlink data confirmation message comprises a coverage enhancement level or cache time of a terminal; determining a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement grade or the cache time of the terminal; and buffering the downlink data in the buffering time of the buffering timer. The invention can dynamically set the cache timer, and optimizes the resource use of the SGW.

Description

Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system)
Technical Field
The invention relates to the field of information communication, in particular to a method, a device and a system for setting SGW cache time under NBIOT.
Background
In the current LTE (Long Term Evolution) technology of 3GPP, when an SGW (Serving GateWay) sends downlink data to an MME (Mobile management Entity), if a UE (terminal) can be paged, the MME responds to the SGW, and the SGW waits for the MME to establish S1-U or S11-U and then sends the downlink data. Considering that the paging response of the UE to the MME requires time, after receiving the response from the MME, the SGW sets a cache timer, and the downlink data packet is cached by the SGW within the timer time. This timer is set as a global parameter at the SGW.
The current 3GPP NBIOT (Narrow Band Internet of Things based on cellular) technology also inherits the same processing method of LTE. For NBIOT, since different coverage enhancement levels are supported, the paging response time of the UE under different coverage levels is greatly different. If the SGW buffer timer is set according to the conventional method of the legacy LTE, the SGW buffer timer can be set according to the maximum paging response time (corresponding to the enhanced coverage level 2), which causes the SGW resource waste because the buffer timer is not required to be large under other coverage levels. And in case of LTE and NBIOT hybrid networking, the SGW can only set the same buffer timer as NBIOT for LTE UEs even if LTE UEs do not need such a large paging response time at all.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method, a device and a system for setting SGW cache time under NBIOT so as to optimize the resource use of SGW.
According to one aspect of the invention, a method for setting SGW (serving gateway) caching time under NBIOT (narrowband Internet of things) based on honeycomb is provided, and comprises the following steps: receiving a downlink data confirmation message sent by a Mobile Management Entity (MME), wherein the downlink data confirmation message comprises a coverage enhancement level or cache time of a terminal; determining a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement grade or the cache time of the terminal; and buffering the downlink data in the buffering time of the buffering timer.
Further, the method further comprises: and if the bearer establishment message sent by the MME is received within the caching time of the caching timer, sending the downlink data to the terminal.
Further, after the downlink data is sent to the terminal, the method further includes: the buffer timer is deleted.
Further, the method further comprises: and if the bearer establishment message sent by the MME is not received within the caching time of the caching timer, deleting the cached downlink data.
According to another aspect of the present invention, a method for setting a serving gateway SGW cache time under a narrowband internet of things NBIOT based on a cell is further provided, where the method includes: receiving a downlink data notification message sent by an SGW; if the terminal can be paged currently, sending a downlink data confirmation message to the SGW, wherein the downlink data confirmation message comprises a coverage enhancement level or cache time of the terminal; and the SGW determines a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the cache time of the terminal.
Further, the method further comprises: determining a coverage enhancement level of a terminal; and determining the caching time according to the coverage enhancement level of the terminal.
According to another aspect of the present invention, a serving gateway SGW is further provided, including a message receiving unit, configured to receive a downlink data acknowledgement message sent by a mobility management entity MME, where the downlink data acknowledgement message includes a coverage enhancement level or a cache time of a terminal; a timer determining unit, configured to determine, according to the coverage enhancement level or the cache time of the terminal, a cache timer corresponding to current downlink data of the terminal; and the data caching unit is used for caching the downlink data in the caching time of the caching timer.
Further, the SGW further includes: and the data issuing unit is used for sending the downlink data to the terminal if the bearer establishment message sent by the MME is received within the caching time of the caching timer.
Further, the SGW further includes: and the timer deleting unit is used for deleting the cache timer after the data issuing unit sends the downlink data to the terminal.
Further, the SGW further includes: and the data deleting unit is used for deleting the cached downlink data if the bearer establishing message sent by the MME is not received within the caching time of the caching timer.
According to another aspect of the present invention, a mobility management entity MME is further proposed, including: a downlink data notification receiving unit, configured to receive a downlink data notification message sent by a serving gateway SGW; a confirmation message sending unit, configured to send a downlink data confirmation message to the SGW if it is determined that the terminal can be paged currently, where the downlink data confirmation message includes a coverage enhancement level or a cache time of the terminal; and the SGW determines a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the cache time of the terminal.
Further, the MME further comprises: a coverage level determining unit, configured to determine a coverage enhancement level of the terminal; and the buffer time determining unit is used for determining the buffer time according to the coverage enhancement level of the terminal.
According to another aspect of the present invention, a system for setting a serving gateway SGW caching time under a narrowband internet of things NBIOT based on a cell is further provided, and includes the serving gateway SGW and a mobility management entity MME.
According to another aspect of the present invention, a system for setting a serving gateway SGW caching time under a narrowband internet of things NBIOT based on a cell is further provided, including: a memory; and a processor coupled to the memory, the processor configured to perform the method as described above based on instructions stored in the memory.
According to another aspect of the present invention, a computer-readable storage medium is also proposed, on which computer program instructions are stored, which instructions, when executed by a processor, implement the steps of the above-described method.
Compared with the prior art, the method and the device determine the cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the cache time of the terminal carried in the downlink data confirmation message sent by the MME.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
The invention will be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flowchart illustrating an embodiment of a method for setting SGW caching time under NBIOT according to the present invention.
Fig. 2 is a flowchart illustrating a method for setting SGW caching time under NBIOT according to another embodiment of the present invention.
Fig. 3 is a flowchart illustrating a method for setting SGW caching time under NBIOT according to still another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an SGW according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an SGW according to another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an MME according to an embodiment of the present invention.
FIG. 7 is a schematic structural diagram of an MME according to another embodiment of the invention.
Fig. 8 is a schematic structural diagram of a system for setting SGW caching time under NBIOT according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of an apparatus for setting SGW buffering time under NBIOT according to still another embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an apparatus for setting SGW buffering time under NBIOT according to another embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
Fig. 1 is a flowchart illustrating an embodiment of a method for setting SGW caching time under NBIOT according to the present invention. The method can be executed by the SGW, and specifically includes the following steps:
in step 110, a downlink data acknowledgement message sent by the MME is received. After the SGW receives the downlink data notification MME, if the MME determines that the UE can be paged currently, the SGW sends a downlink data confirmation message to the SGW, where the downlink data confirmation message includes a coverage enhancement level (CE level) or a cache time (timer) of the terminal.
In step 120, a buffer timer corresponding to the current downlink data of the terminal is determined according to the coverage enhancement level or the buffer time of the terminal. If the downlink data acknowledgement message of the MME includes the coverage enhancement level of the terminal, since different coverage enhancement levels correspond to different cache times, a corresponding cache timer may be determined based on a configured policy. In addition, a cache timer corresponding to the current downlink data of the UE may also be directly set according to the cache time in the MME downlink data confirmation message, where the cache time may be determined at the MME side, that is, the MME determines the corresponding cache time according to the coverage enhancement level of the terminal.
In step 130, the downlink data is buffered within the buffer time of the buffer timer. That is, the downstream data packet is buffered by the SGW during the buffering time.
In the above embodiment, the cache timer corresponding to the current downlink data of the terminal is determined according to the coverage enhancement level or the cache time of the terminal carried in the downlink data confirmation message sent by the MME, and since the terminal corresponds to different cache times at different coverage enhancement levels, the cache timer can be dynamically set, thereby optimizing the resource usage of the SGW.
Fig. 2 is a flowchart illustrating a method for setting SGW caching time under NBIOT according to another embodiment of the present invention. The method comprises the following steps:
in step 210, the SGW receives the Downlink Data and notifies the MME of the Downlink Data Notification (DDN) message.
In step 220, the MME sends an acknowledgement message to the SGW, where the acknowledgement message includes the current enhanced coverage level or buffering time of the UE.
In step 230, based on the configured policy, if the confirmation message includes the current enhanced coverage level of the UE, the SGW determines, according to the current enhanced coverage level of the UE, a cache timer corresponding to the current downlink data of the UE, and if the confirmation message includes the cache time, determines, according to the cache time, the cache timer corresponding to the current downlink data of the UE.
In step 240, the MME pages the UE.
In step 250, the UE responds to the MME after receiving the page.
In step 260, the MME notifies the SGW to establish a bearer, wherein the CP mode corresponds to S11-U and the UP mode corresponds to S1-U.
In step 270, if the cache timer is not over time, the SGW completes bearer establishment and returns a response to the MME.
In step 280, the SGW sends downlink data to the UE, and the SGW may also delete the buffer timer.
And if the SGW does not receive the bearer establishment message sent by the MME within the caching time of the caching timer, deleting the cached downlink data.
In the above embodiment, the SGW determines the cache timer corresponding to the current downlink data of the UE according to the coverage enhancement level or the cache time of the UE carried in the downlink data confirmation message sent by the MME, and sends the downlink data to the terminal and deletes the cache timer if the bearer establishment message sent by the MME is received within the cache time of the cache timer, otherwise, deletes the cached downlink data. The embodiment does not generate a new interface, only adds new parameters in the existing 3GPP communication flow, puts forward new function processing requirements on the MME and the SGW network element, is easy to realize, and optimizes the resource use of the SGW.
Fig. 3 is a flowchart illustrating a method for setting SGW caching time under NBIOT according to still another embodiment of the present invention. The method can be executed by an MME, and specifically comprises the following steps:
in step 310, a downlink data notification message sent by the SGW is received.
In step 320, it is determined whether the current terminal can be paged, if so, step 330 is performed, otherwise, step 340 is performed.
In step 330, a downlink data acknowledgement message including the coverage enhancement level or the buffering time of the terminal is sent to the SGW, so that the SGW determines a buffering timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the buffering time of the terminal. The MME determines the coverage enhancement level of the terminal and then can directly send the coverage enhancement level to the SGW, and the SGW sets a cache timer corresponding to the current downlink data of the terminal. The MME can also calculate the cache time according to the coverage enhancement level of the terminal, and the SGW determines a cache timer corresponding to the current downlink data of the terminal according to the cache time.
At step 340, other operations are performed.
In this embodiment, after receiving the downlink data notification message sent by the SGW, if it is determined that the terminal can be paged currently, the MME sends a downlink data confirmation message including the coverage enhancement level or the buffering time of the terminal to the SGW, so that the SGW determines the buffering timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the buffering time of the terminal, thereby dynamically setting the buffering time of the SGW and optimizing resource usage of the SGW.
Fig. 4 is a schematic structural diagram of an SGW according to an embodiment of the present invention. Wherein, the SGW may include a message receiving unit 410, a timer determining unit 420, and a data buffering unit 430, wherein:
the message receiving unit 410 is configured to receive a downlink data acknowledgement message sent by the MME. After the SGW receives the downlink data notification MME, if the MME determines that the UE can be paged currently, the SGW sends a downlink data confirmation message to the SGW, where the downlink data confirmation message includes a coverage enhancement level or a cache time of the UE.
The timer determining unit 420 is configured to determine a buffer timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the buffer time of the terminal.
The data buffering unit 430 is configured to buffer the downlink data within a buffering time of the buffering timer.
In the above embodiment, the SGW determines the cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the cache time of the terminal carried in the downlink data confirmation message sent by the MME, and since the terminal corresponds to different cache times at different coverage enhancement levels, the cache timer can be dynamically set, thereby optimizing the resource usage of the SGW.
Fig. 5 is a schematic structural diagram of an SGW according to another embodiment of the present invention. The SGW includes a message receiving unit 510, a timer determining unit 520, a data buffering unit 530, and a data issuing unit 540, wherein:
the message receiving unit 510 is configured to receive a downlink data acknowledgement message sent by the MME. Wherein, the downlink data confirmation message includes a coverage enhancement level or a buffer time of the terminal.
The timer determining unit 520 is configured to determine a buffer timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the buffer time of the terminal.
The data buffering unit 530 is configured to buffer the downlink data within a buffering time of the buffering timer.
The data sending unit 540 is configured to send downlink data to the terminal if the bearer establishment message sent by the MME is received within the caching time of the caching timer. Wherein. After the MME notifies the SGW to establish the bearer, if the cache timer is not timed out, the SGW completes the establishment of the bearer, and may send the downlink data to the terminal.
The SGW may further include a timer deleting unit 550, where the timer deleting unit 550 is configured to delete the buffer timer after the data issuing unit 540 sends the downlink data to the terminal.
The SGW may further include a data deleting unit 560, configured to delete the buffered downlink data if the bearer establishment message sent by the MME is not received within the buffering time of the buffering timer.
In the above embodiment, the SGW determines the cache timer corresponding to the current downlink data of the UE according to the coverage enhancement level or the cache time of the UE carried in the downlink data confirmation message sent by the MME, and sends the downlink data to the terminal and deletes the cache timer if the bearer establishment message sent by the MME is received within the cache time of the cache timer, otherwise, deletes the cached downlink data. The embodiment does not generate a new interface, only adds new parameters in the existing 3GPP communication flow, puts forward new function processing requirements on the MME and the SGW network element, is easy to realize, and optimizes the resource use of the SGW.
Fig. 6 is a schematic structural diagram of an MME according to an embodiment of the present invention. The MME includes a downlink data notification receiving unit 610 and an acknowledgement sending unit 620, where:
the downlink data notification receiving unit 610 is configured to receive a downlink data notification message sent by the SGW. And the SGW receives the downlink data and informs the MME through the DDN message.
The confirmation message sending unit 620 is configured to send a downlink data confirmation message including the coverage enhancement level or the buffering time of the terminal to the SGW if it is determined that the terminal can be paged currently, so that the SGW determines the buffering timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the buffering time of the terminal.
In this embodiment, because the terminal corresponds to different caching times at different coverage enhancement levels, after receiving the downlink data notification message sent by the SGW, if it is determined that the terminal can be paged currently, the MME sends a downlink data confirmation message including the coverage enhancement level or the caching time of the terminal to the SGW, so that the SGW determines a caching timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the caching time of the terminal, thereby dynamically setting the caching time of the SGW and optimizing resource usage of the SGW.
In another embodiment of the present invention, as shown in fig. 7, the MME includes a downlink data notification receiving unit 710, an overlay level determining unit 720, and an acknowledgement sending unit 730, where:
the downlink data notification receiving unit 710 is configured to receive a downlink data notification message sent by the serving gateway SGW, the coverage level determining unit 720 is configured to determine a coverage enhancement level of the terminal, and the acknowledgement message sending unit 730 is configured to send a downlink data acknowledgement message including the coverage enhancement level of the terminal to the SGW, so that the SGW determines a cache timer corresponding to current downlink data of the terminal according to the coverage enhancement level of the terminal.
The SGW may further include a buffering time determining unit 740, wherein the buffering time determining unit 740 is configured to determine the buffering time according to the coverage enhancement level of the terminal. The acknowledgment message sending unit 730 is further configured to send a downlink data acknowledgment message including the buffering time to the SGW, so that the SGW determines, according to the buffering time, a buffering timer corresponding to the current downlink data of the terminal.
In the above embodiment, the MME may send the coverage enhancement level of the terminal to the SGW, so as to dynamically set the caching time of the SGW; and the caching time can be calculated at the MME side according to the coverage enhancement level of the terminal, and the SGW directly sets a caching timer according to the caching time, so that the resource use of the SGW is optimized.
Fig. 8 is a schematic structural diagram of a system for setting SGW caching time under NBIOT according to an embodiment of the present invention. The system comprises an MME810 and an SGW820, wherein after receiving a downlink data notification message sent by the SGW820, the MME810 sends a downlink data confirmation message to the SGW820 if determining that the UE can be paged currently, and the downlink data confirmation message comprises a coverage enhancement level or cache time of a terminal. After receiving the paging response returned by the UE, the MME810 notifies the SGW820 to establish a bearer, so that the SGW820 sends downlink data to the UE after completing bearer establishment.
In this embodiment, no new interface is generated, only new parameters are added in the existing 3GPP communication flow, new functional processing requirements are provided for the MME and the SGW network element, implementation is easy, and resource usage of the SGW is optimized.
Fig. 9 is a schematic structural diagram of a system for setting SGW caching time under NBIOT according to still another embodiment of the present invention. The apparatus includes a memory 910 and a processor 920. Wherein:
the memory 910 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory is used to store instructions in the embodiments corresponding to fig. 1-3.
Coupled to memory 910, processor 920 may be implemented as one or more integrated circuits, such as a microprocessor or microcontroller. The processor 920 is configured to execute instructions stored in memory to optimize resource usage of the SGW.
In one embodiment, as also shown in FIG. 10, the apparatus 1000 includes a memory 1010 and a processor 1020. Processor 1020 is coupled to memory 1010 by a BUS 1030. The system 1000 may also be coupled to an external storage device 1050 via a storage interface 1040 for facilitating retrieval of external data, and may also be coupled to a network or another computer system (not shown) via a network interface 1060, which will not be described in detail herein.
In this embodiment, the resource usage of the SGW is optimized by storing data instructions in memory and processing the instructions by the processor.
In another embodiment, a computer-readable storage medium has stored thereon computer program instructions which, when executed by a processor, implement the steps of the method in the corresponding embodiment of fig. 1-3. As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The method and apparatus of the present invention may be implemented in a number of ways. For example, the methods and apparatus of the present invention may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustrative purposes only, and the steps of the method of the present invention are not limited to the order specifically described above unless specifically indicated otherwise. Furthermore, in some embodiments, the present invention may also be embodied as a program recorded in a recording medium, the program including machine-readable instructions for implementing a method according to the present invention. Thus, the present invention also covers a recording medium storing a program for executing the method according to the present invention.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (13)

1. A method for setting SGW (serving gateway) caching time under a narrow-band Internet of things NBIOT (network node based on cellular) is characterized by comprising the following steps:
receiving a downlink data confirmation message sent by a Mobile Management Entity (MME) under the condition that the terminal can be paged currently, wherein the downlink data confirmation message comprises a coverage enhancement grade or cache time of the terminal, and the cache time is determined according to the coverage enhancement grade of the terminal;
determining a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement grade or the cache time of the terminal;
and caching the downlink data in the caching time of the caching timer.
2. The method of claim 1, further comprising:
and if the bearer establishment message sent by the MME is received within the caching time of the caching timer, sending the downlink data to a terminal.
3. The method of claim 2, wherein after sending the downlink data to the terminal, further comprising:
and deleting the cache timer.
4. The method of any of claims 1-3, further comprising:
and if the bearer establishment message sent by the MME is not received within the caching time of the caching timer, deleting the cached downlink data.
5. A method for setting SGW (serving gateway) caching time under a narrow-band Internet of things NBIOT (network node based on cellular) is characterized by comprising the following steps:
receiving a downlink data notification message sent by an SGW;
determining a coverage enhancement level of a terminal;
determining the caching time according to the coverage enhancement grade of the terminal;
if the terminal can be paged currently, sending a downlink data confirmation message to the SGW, wherein the downlink data confirmation message comprises a coverage enhancement level or cache time of the terminal;
and the SGW determines a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the cache time of the terminal.
6. A Serving Gateway (SGW) comprising
A message receiving unit, configured to receive a downlink data acknowledgement message sent by a mobility management entity MME under a condition that it is determined that a terminal can be paged currently, where the downlink data acknowledgement message includes a coverage enhancement level or a cache time of the terminal, and the cache time is determined according to the coverage enhancement level of the terminal;
a timer determining unit, configured to determine, according to the coverage enhancement level or the cache time of the terminal, a cache timer corresponding to current downlink data of the terminal;
and the data caching unit is used for caching the downlink data in the caching time of the caching timer.
7. The SGW of claim 6, further comprising:
and the data issuing unit is used for sending the downlink data to a terminal if the bearer establishment message sent by the MME is received within the caching time of the caching timer.
8. The SGW of claim 6, further comprising:
and the timer deleting unit is used for deleting the cache timer after the data issuing unit sends the downlink data to the terminal.
9. The SGW according to any one of claims 6 to 8, further comprising:
and a data deleting unit, configured to delete the cached downlink data if the bearer establishment message sent by the MME is not received within the caching time of the caching timer.
10. A Mobility Management Entity (MME), comprising:
a downlink data notification receiving unit, configured to receive a downlink data notification message sent by a serving gateway SGW;
a coverage level determining unit, configured to determine a coverage enhancement level of the terminal;
a cache time determining unit, configured to determine the cache time according to a coverage enhancement level of the terminal;
a confirmation message sending unit, configured to send a downlink data confirmation message to the SGW if it is determined that the terminal can be paged currently, where the downlink data confirmation message includes a coverage enhancement level or a cache time of the terminal;
and the SGW determines a cache timer corresponding to the current downlink data of the terminal according to the coverage enhancement level or the cache time of the terminal.
11. A system for setting a serving gateway SGW caching time under narrowband internet of things NBIOT based on cellular, characterized by comprising the serving gateway SGW of any of claims 6 to 9 and the mobility management entity MME of claim 10.
12. A device for setting SGW (serving gateway) caching time under narrow-band Internet of things NBIOT (network based on cellular), comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of any of claims 1-5 based on instructions stored in the memory.
13. A computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of any one of claims 1 to 5.
CN201710401835.1A 2017-06-01 2017-06-01 Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system) Active CN109246751B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710401835.1A CN109246751B (en) 2017-06-01 2017-06-01 Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710401835.1A CN109246751B (en) 2017-06-01 2017-06-01 Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system)

Publications (2)

Publication Number Publication Date
CN109246751A CN109246751A (en) 2019-01-18
CN109246751B true CN109246751B (en) 2022-02-01

Family

ID=65082635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710401835.1A Active CN109246751B (en) 2017-06-01 2017-06-01 Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system)

Country Status (1)

Country Link
CN (1) CN109246751B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333908A (en) * 2013-07-22 2015-02-04 电信科学技术研究院 Method, system and equipment for data transmission
CN104581925A (en) * 2013-10-29 2015-04-29 电信科学技术研究院 Method and device for timed maintenance under coverage enhancement mechanism
WO2017004805A1 (en) * 2015-07-08 2017-01-12 华为技术有限公司 Method and device for data transmission

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9191452B2 (en) * 2012-12-20 2015-11-17 Oracle International Corporation Method and system for an on-chip completion cache for optimized completion building
US9251478B2 (en) * 2013-07-29 2016-02-02 Amadeus S.A.S. Processing information queries in a distributed information processing environment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104333908A (en) * 2013-07-22 2015-02-04 电信科学技术研究院 Method, system and equipment for data transmission
CN104581925A (en) * 2013-10-29 2015-04-29 电信科学技术研究院 Method and device for timed maintenance under coverage enhancement mechanism
WO2017004805A1 (en) * 2015-07-08 2017-01-12 华为技术有限公司 Method and device for data transmission

Also Published As

Publication number Publication date
CN109246751A (en) 2019-01-18

Similar Documents

Publication Publication Date Title
CN111586647B (en) Device on network
RU2755514C2 (en) Communication method, access network device and terminal
CN106162705B (en) Method and equipment for controlling establishment of user plane bearer
US10165618B2 (en) Service processing method and device
US11570750B2 (en) Method for paging, access network device, and terminal device
KR102251820B1 (en) Method and device for notification of information on RAN-based notification area
CN110419249B (en) Method and device for processing mobility management
KR102371203B1 (en) Method and apparatus for transmitting and receiving paging message
KR102476193B1 (en) Rate control method, apparatus, and system
KR20190032505A (en) Paging method and paging device
CN105432045A (en) Methods, apparatus, network node, and computer program product for dynamically providing CDN service through mobile network
JP2019525594A (en) Access method, base station, and device
WO2015103604A1 (en) Techniques for a device trigger recall/replace procedure
CN103442425A (en) Paging notification method, paging method and paging device
WO2015018074A1 (en) Methods and apparatus
US10499366B2 (en) Paging method and apparatus for distributed gateway
CN105474688A (en) Congestion control for short message service in 3rd generation partnership project (3GPP) systems
CN108377522A (en) A kind of information forward shifting method and base station
US10306518B2 (en) Circuit switched service processing method and terminal
CN109246751B (en) Method, device and system for setting SGW (serving gateway) caching time under NBIOT (neighbor base station operating system)
CN108289306B (en) Flow conflict processing method and device
CN102870489B (en) For the method and apparatus of receiving mobility management entity title
RU2767991C1 (en) Information processing method, terminal device and data medium
US20180234891A1 (en) Data Transmission Method, Method for Accessing Network, Related Device, and System
AU2018310941A1 (en) Method of supporting data replication, transmitting terminal device and receiving terminal device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant