CN104581757A - M2M terminal initiative switching method and device in M2M network - Google Patents
M2M terminal initiative switching method and device in M2M network Download PDFInfo
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- CN104581757A CN104581757A CN201310493803.0A CN201310493803A CN104581757A CN 104581757 A CN104581757 A CN 104581757A CN 201310493803 A CN201310493803 A CN 201310493803A CN 104581757 A CN104581757 A CN 104581757A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
- H04W36/023—Buffering or recovering information during reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Abstract
The invention discloses an M2M terminal initiative switching method and device in an M2M network, and relates to the technical field of wireless communication. The M2M terminal initiative switching method includes the following steps: acquiring the position of an M2M terminal and signal strength of the current access point of the M2M terminal respectively; judging whether network switching is to be performed or not based on the acquired position of the M2M terminal and the signal strength of the current access point of the M2M terminal; when the fact that network switching is to be performed is judged, temporarily saving the business data flow applied by the M2M to a buffer storage device, triggering the M2M terminal for network switching and informing the M2M terminal of the new access point; after the M2M terminal accesses to the new access point, reading the business data flow in the buffer storage device through the new access point, wherein the M2M refers to machine to machine. According to the invention, the switching efficiency is improved, and the business continuity during switching is guaranteed.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to M2M terminal initiatively changing method and the device in a kind of M2M network.
Background technology
M2M business platform, by building the management and service platform between terminal and application, can provide convenient for the exploitation of business, access, issue and subscription.The framework of M2M business platform relates to three parts: end side, M2M business platform, application side.End side comprises again sensing node, terminal and gateway.Application side is various network service, comprises individual application, enterprise's application and public infrastructure service etc.M2M business platform is as wherein core, and its function comprises for end side and application side provide unified access interface, provides bearing link for business performs, and carries out to terminal, application and link circuit resource the fail safe that unified management and guarantee business perform.
Existing M2M business platform network switches and in terminal mobility management.Mostly be the handover scheme between the heterogeneous networks that realizes according to the demand of isomerism.Its basic premise is exactly terminal and access device must be isomery, or at least should possess the access way of isomery, could realize the management to terminal and access switching on this basis.And existing switching is all initiated by end side, end side is monitored each passage and whether is met business demand, does not distinguish because signal is weak or congested that service that is that cause is not smooth.And the strong access point of some signals might not be superior with regard to transmission performance, still can not meet the demands, need to perform handoff procedure further after switching.Existing scheme adds the burden of terminal on the one hand, and the repeating of another negative side terminal side disconnects and access also adds pressure to M2M platform.
Therefore, for solving the problem, the present invention proposes M2M terminal initiatively changing method and the device in a kind of M2M network.
Summary of the invention
The object of the present invention is to provide M2M terminal initiatively changing method and the device in a kind of M2M network, solve when terminal carries out handover decisions and cause the unreasonable of switching because of only considering the factor of signal strength signal intensity, and repeat to disconnect the problems such as access.
According to an aspect of the present invention, provide the M2M terminal initiatively changing method in a kind of M2M network, comprise the following steps:
Obtain the position of M2M terminal and the signal strength signal intensity of M2M terminal current access point respectively;
Utilize the signal strength signal intensity of M2M terminal location and the M2M terminal current access point obtained, judge whether M2M terminal carries out network switching;
When judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point is informed to M2M terminal;
After M2M terminal accesses described new access point, read the business data flow in described buffered memory module by described new access point;
Wherein, described M2M refers to machine to machine.
Preferably, also comprise:
When judging that described M2M terminal does not carry out network switching, described M2M terminal directly reads the business data flow that described M2M applies.
Preferably, the signal strength signal intensity of the M2M terminal location that described utilization obtains and M2M terminal current access point, judges whether M2M terminal is carried out network switching and comprised:
By end side interface, the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point is sent to position monitor module;
When described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judge whether M2M terminal carries out network switching by Decision Control module.
Preferably, when described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judge whether M2M terminal is carried out network switching and comprised by Decision Control module:
Described Decision Control module judges whether the signal strength signal intensity of described M2M terminal location and M2M terminal current access point meets current business demand;
When the signal strength signal intensity of described M2M terminal location and M2M terminal current access point meets current business demand, then rejudge after a time period;
When the signal strength signal intensity of described M2M terminal location and M2M terminal current access point does not meet current business demand, then judge that M2M terminal carries out network switching.
Preferably, when judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point informed to M2M terminal and comprise:
When judging that described M2M terminal carries out network switching, described Decision Control module sends switching signal respectively to application side interface and end side interface;
When described application side interface is to described switching signal, the business data flow that M2M applies is kept in buffered memory module, and buffer-storage addresses is sent to described Decision Control module;
When described end side interface is to described switching signal, triggers the switching that M2M terminal carries out access network, and configuration file is sent to described M2M terminal;
Wherein, described configuration file comprises the operation script information of new access point information and configuration.
Preferably, after M2M terminal accesses described new access point, the business data flow read in described buffered memory module by described new access point is comprised:
After M2M terminal accesses described new access point, from described Decision Control module, obtain buffer-storage addresses;
By described new access point and the buffer-storage addresses obtained, read the business data flow in described buffered memory module.
According to a further aspect in the invention, provide the M2M terminal initiatively switching device shifter in a kind of M2M network, comprising:
Acquisition module, for the signal strength signal intensity of the position and M2M terminal current access point that obtain M2M terminal respectively;
Judge module, for utilizing the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point, judges whether M2M terminal carries out network switching;
Buffer memory and handover module, for when judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point is informed to M2M terminal;
Read module, for after M2M terminal accesses described new access point, reads the business data flow in described buffered memory module by described new access point;
Wherein, described M2M refers to machine to machine.
Preferably, described judge module comprises:
Transmitting element, for being sent to position monitor module by end side interface by the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point;
By Decision Control module, judging unit, for when described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judges whether M2M terminal carries out network switching.
Preferably, described buffer memory and handover module comprise:
Send switching signal unit, for when judging that described M2M terminal carries out network switching, described Decision Control module sends switching signal respectively to application side interface and end side interface;
Buffer storage unit, for when described application side interface is to described switching signal, keeps in the business data flow that M2M applies in buffered memory module, and buffer-storage addresses is sent to described Decision Control module;
Network switch unit, for when described end side interface is to described switching signal, triggers the switching that M2M terminal carries out access network, and configuration file is sent to described M2M terminal;
Wherein, described configuration file comprises the operation script information of new access point information and configuration.
Preferably, described read module comprises:
Acquiring unit, for after M2M terminal accesses described new access point, obtains buffer-storage addresses from described Decision Control module;
Reading unit, for by described new access point and the buffer-storage addresses obtained, reads the business data flow in described buffered memory module.
Compared with prior art, beneficial effect of the present invention is:
The position of the present invention by acquisition M2M terminal and the signal strength signal intensity of current access point, judge whether M2M terminal carries out network switching, and from all access points, optimizing has been carried out according to the signal strength signal intensity of current access point and qos parameter in deterministic process, and achieve the buffer memory of the M2M business data flow in handoff procedure, both ensure that the continuity of business, in turn ensure that the efficiency that M2M business performs.
Accompanying drawing explanation
Fig. 1 is the flow chart of the M2M terminal active changing method in a kind of M2M network provided by the invention;
Fig. 2 is the schematic diagram of the M2M terminal active switching device shifter in a kind of M2M network provided by the invention;
Fig. 3 is the flow chart of M2M terminal in a kind of M2M network of providing of the embodiment of the present invention initiatively changing method;
Fig. 4 is the structure chart of M2M terminal in a kind of M2M network of providing of the embodiment of the present invention initiatively switching device shifter;
Fig. 5 is that the embodiment of the present invention provides the schematic diagram utilizing method of the present invention to carry out network switching.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The present invention, by increasing position monitor module, achieves the real-time monitoring to M2M terminal location, signal strength signal intensity and qos parameter information etc., has carried out sufficient information investigation preparation for carrying out network switching.Simultaneously, by increasing Decision Control module and buffered memory module, both the active having achieved network switches, and can ensure that again the Business Stream do not completed in handoff procedure is kept at the buffered memory module of M2M platform, the continuity that after ensureing the access point that access is new, M2M business is transmitted.So, both can avoid, because the movement of M2M terminal causes QoS cannot meet the problem of business transmission requirement, the continuity of business being ensured again in network switching process.
Fig. 1 shows the flow chart of the M2M terminal active changing method in a kind of M2M network provided by the invention, as shown in Figure 1, comprises the following steps:
Step S101: obtain the position of M2M terminal and the signal strength signal intensity of M2M terminal current access point respectively;
Step S102: the signal strength signal intensity utilizing M2M terminal location and the M2M terminal current access point obtained, judges whether M2M terminal carries out network switching;
Step S103: when judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point is informed to M2M terminal;
Step S104: after M2M terminal accesses described new access point, reads the business data flow in described buffered memory module by described new access point;
Wherein, described M2M refers to machine to machine.
The present invention also comprises: when judging that described M2M terminal does not carry out network switching, described M2M terminal directly reads the business data flow that described M2M applies.
Wherein, the signal strength signal intensity of the M2M terminal location that described utilization obtains and M2M terminal current access point, judges whether M2M terminal is carried out network switching and comprised: by end side interface, the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point is sent to position monitor module; When described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judge whether M2M terminal carries out network switching by Decision Control module.
Specifically, when described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judge whether M2M terminal is carried out network switching and comprised by Decision Control module: described Decision Control module judges whether the signal strength signal intensity of described M2M terminal location and M2M terminal current access point meets current business demand; When the signal strength signal intensity of described M2M terminal location and M2M terminal current access point meets current business demand, then rejudge after a time period; When the signal strength signal intensity of described M2M terminal location and M2M terminal current access point does not meet current business demand, then judge that M2M terminal carries out network switching.
Wherein, when judging that described M2M terminal carries out network switching, the business data flow that M2M applies is kept in buffered memory module, and trigger M2M terminal and carry out the switching of access network and new access point informed to M2M terminal and comprise: when judge described M2M terminal carry out network switch time, described Decision Control module sends switching signal respectively to application side interface and end side interface; When described application side interface is to described switching signal, the business data flow that M2M applies is kept in buffered memory module, and buffer-storage addresses is sent to described Decision Control module; When described end side interface is to described switching signal, triggers the switching that M2M terminal carries out access network, and configuration file is sent to described M2M terminal; Wherein, described configuration file comprises the operation script information of new access point information and configuration.
Wherein, after M2M terminal accesses described new access point, the business data flow read in described buffered memory module by described new access point is comprised: after M2M terminal accesses described new access point, from described Decision Control module, obtain buffer-storage addresses; By described new access point and the buffer-storage addresses obtained, read the business data flow in described buffered memory module.
Fig. 2 shows the schematic diagram of M2M terminal in a kind of M2M network provided by the invention initiatively switching device shifter, as shown in Figure 2, comprising: acquisition module 201, for the signal strength signal intensity of the position and M2M terminal current access point that obtain M2M terminal respectively; Judge module 202, for utilizing the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point, judges whether M2M terminal carries out network switching; Buffer memory and handover module 203, for when judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point is informed to M2M terminal; Read module 204, for after M2M terminal accesses described new access point, reads the business data flow in described buffered memory module by described new access point; Wherein, described M2M refers to machine to machine.
Judge module 202 of the present invention comprises: transmitting element, for the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point being sent to position monitor module by end side interface; By Decision Control module, judging unit, for when described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judges whether M2M terminal carries out network switching.
Buffer memory of the present invention and handover module 203 comprise: send switching signal unit, and for when judging that described M2M terminal carries out network switching, described Decision Control module sends switching signal respectively to application side interface and end side interface; Buffer storage unit, for when described application side interface is to described switching signal, keeps in the business data flow that M2M applies in buffered memory module, and buffer-storage addresses is sent to described Decision Control module; Network switch unit, for when described end side interface is to described switching signal, triggers the switching that M2M terminal carries out access network, and configuration file is sent to described M2M terminal; Wherein, described configuration file comprises the operation script information of new access point information and configuration.
Read module 204 of the present invention comprises: acquiring unit, for after M2M terminal accesses described new access point, from described Decision Control module, obtains buffer-storage addresses; Reading unit, for by described new access point and the buffer-storage addresses obtained, reads the business data flow in described buffered memory module.
Fig. 3 shows the flow chart of M2M terminal in a kind of M2M network that the embodiment of the present invention provides initiatively changing method, as shown in Figure 3, comprises the following steps:
Step S301, locates M2M terminal location and monitor signal strength;
M2M business platform by the position of the system such as GPS location M2M terminal, by seek the transmission of frame and response frame reception, the signal strength signal intensity of monitoring M2M terminal in current access point.The interface related qos parameter of end side can also be obtained, as decision-making foundation afterwards in this step.
Step S302, judges whether M2M terminal carries out network switching;
Utilize the positional information of M2M terminal, the signal strength information of current access point and other relevant qos parameter information, judge whether the requirement meeting current business, if met, rejudge again after a period of time; If do not met, then judge it is that M2M terminal carries out network switching, switching signal is sent respectively to end side interface and application side interface, and from all access points, select the access point that can meet the demands from the nearest and QoS of M2M terminal, form the configuration file being used for again accessing and be sent to end side interface.
Step S303, M2M business data flow is kept in buffer storage;
After switching signal described in application side interface to step S302, current M2M business data flow is transferred to buffer storage, buffer storage distributes corresponding internal memory for it, and the address of storage is sent to Decision Control module, from this address, read buffering area after the access point facilitating it new connects.
Step S304, triggers M2M terminal and again accesses new access point;
After switching signal described in end side interface to step S302, trigger M2M terminal to reconfigure, and the configuration file in step S302 is sent to M2M terminal, described configuration file comprises the information of new access point and carries out the operation script of configuration automatically.
Step S305, reads buffer data and buffer release memory block.
After M2M terminal accesses new access point, end side interface becomes new access point, the address that handoff procedure business data flow cushions is read from decision-making and control module, and send to M2M terminal from this address reading data, owing to being generally short distance high-speed link between M2M terminal and end side interface, efficiency of transmission is higher, the business transmission that handoff procedure does not complete can be obtained at short notice, after data are read, the internal memory of buffering area will be discharged again, for other handoff procedure after this.
Fig. 4 shows the structure chart of M2M terminal in a kind of M2M network that the embodiment of the present invention provides initiatively switching device shifter, as shown in Figure 4, runs on M2M business platform 40, realizes switching the active of M2M terminal 42 network.Described network initiatively switching device shifter is applied between 41 and M2M terminal 42 at M2M.Described M2M business platform 40 comprises application side interface 401, Decision Control module 402, position monitor module 403, buffered memory module 404 and end side interface 405.
Application side interface 401, for responding the registration request of M2M application 41, responsible M2M business platform 40 and M2M apply the communication between 41, receive the business data flow from M2M application 41.Business data flow, by the management of Decision Control module 402, under normal conditions, is directly sent to end side interface 405 by this interface; If receive the switching signal of Decision Control module 402, when M2M terminal 42 carries out access point switching, then business data flow is kept in buffered memory module 404.
End side interface 405, for responding the access request of M2M terminal 42, sends to position monitor module 403 by the signal strength information of the positional information of M2M terminal 42, business transmitting procedure and QoS relevant parameter information.This interface manages by Decision Control module 402, under normal conditions, receives the business data flow from application side interface 401; If receive the switching signal of Decision Control module 402, then trigger the switching that M2M terminal 42 carries out access point, and the information of new access point and configuration file are sent to M2M terminal; If as the access point that M2M terminal 42 is new, then after M2M terminal 42 accesses, first read buffer traffic data flow from buffered memory module 404, and send to M2M terminal 42.
Position monitor module 403, for receiving from the signal strength information in M2M terminal 42 positional information of end side interface 405, business transmitting procedure or other qos parameter information, and being stored in this module, being called for Decision Control module 402.
Decision Control module 402, for judging whether M2M terminal 42 carries out network switching, and network initiatively other interface of switching device shifter and module in control M2M business platform 40.When carrying the requirement that cannot meet business transmission, calling the position about M2M terminal 42 in position monitor module 403, signal strength signal intensity, QoS information, judging whether because the movement of M2M terminal 42 causes the reduction of business transmittability.If, then for it finds out signal strength signal intensity and all satisfactory new access point of QoS, M2M business data flow is first forwarded to buffered memory module 404 by notice application side interface 401, and by end side interface 405, configuration file is sent to M2M terminal 42, trigger M2M terminal 42 and carry out access point switching.
Buffered memory module 404, for the M2M traffic data in bank switching process, after receiving Decision Control module 402 switch-over control signal, is the M2M business data flow memory allocated space from application side interface 401.After M2M terminal 42 is switched to new access point, new end side interface 405 will read away data from this module, this module by the space in buffer release district, for switching afterwards.
Fig. 5 shows the embodiment of the present invention and provides the schematic diagram utilizing method of the present invention to carry out network switching, as shown in Figure 5, comprises smart mobile phone 501, M2M business platform 502 and M2M application server 503.Wherein said M2M business platform 502 comprises WAP (wireless access point) (AN1) 5021, WAP (wireless access point) (AN2) 5022, application couple in router 5023, position monitor server 5024, Decision Control server 5025 and buffer storage server 5026.In between smart mobile phone 501 and WAP (wireless access point) (AN1) 5021, signal good and business transmit the qos requirement that can meet M2M business, the data applying couple in router 5023 directly arrive WAP (wireless access point) (AN1) 5021 by Decision Control server 5025.
When the network of business transmission cannot meet the qos requirement of M2M business, and reason is that the movement of smart mobile phone 501 causes WAP (wireless access point) (AN1) 5021 signal weaker.Now switch with regard to needing to carry out network initiatively, Decision Control server 5025 calls in position monitor server 5024 about information such as the position of smart mobile phone 501, signal strength signal intensity, qos parameters, determine after decision-making from smart mobile phone 501 nearest and access point that qos parameter requires can be met as new access point, and switching signal is sent to application couple in router 5023 and WAP (wireless access point) (AN1 and AN2) 5021 and 5022.Business Stream, after the switching signal receiving Decision Control server 5025, is temporarily stored to buffer storage server 5026 by application couple in router 5023.After WAP (wireless access point) (AN1) 5021 receives the switching signal of Decision Control server 5025, trigger the switching that smart mobile phone 501 carries out access network, and configuration file is sent to smart mobile phone 501.Smart mobile phone by reconfiguring the new WAP (wireless access point) (AN2) 5022 of access, and reads the data in buffer storage server 5026 by new WAP (wireless access point) (AN2) 5022.Regain the data from M2M application server 503 in handoff procedure, ensure that the continuity of business.
In sum, the present invention is by monitoring the location of M2M terminal and signal strength signal intensity, consider the terminal signaling intensity detected by M2M business platform, conventional network resources and qos parameter decision-making to judge whether to switch, alleviate the burden of terminal in decision-making, avoid only considering signal strength signal intensity and have ignored repeating that the restriction of Internet resources causes and disconnect and access, and the demand that business performs after ensureing the access point that access is new, in certain hour, can be met.By adding buffering and storage server at M2M business platform, for M2M terminal carries out the buffer-stored providing M2M Business Stream in the process of network switching between diverse access point, the business that remain between M2M business platform and M2M application server is transmitted, can realize after making M2M terminal access new access point reading fast buffering area data, improve the efficiency of switching, ensure that the business continuance in handoff procedure.Because this process has M2M business platform as transition, realize M2M terminal and initiatively carry out network switching without the need to multiple channel by backup.Due to the multidigit short haul connection between M2M terminal and M2M business platform, traffic rate is than very fast.
In sum, the present invention has following technique effect:
The present invention has given full play to the advantage of M2M platform in information monitoring and parameter collection.When judging whether M2M terminal carries out network switching, not only considering the signal problem between M2M terminal and access point, also contemplating the channel parameter of M2M core network, having considered and whether carried out switching and how switching.Simultaneously, the business that remain in handoff procedure between M2M business platform and M2M application server is transmitted, the business data flow reading buffering area fast can be realized after M2M terminal accesses new access point, improve the efficiency of switching, and ensure that the business continuance in handoff procedure.
Although above to invention has been detailed description, the present invention is not limited thereto, those skilled in the art of the present technique can carry out various amendment according to principle of the present invention.Therefore, all amendments done according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. the M2M terminal in M2M network is a changing method initiatively, it is characterized in that, comprises the following steps:
Obtain the position of M2M terminal and the signal strength signal intensity of M2M terminal current access point respectively;
Utilize the signal strength signal intensity of M2M terminal location and the M2M terminal current access point obtained, judge whether M2M terminal carries out network switching;
When judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point is informed to M2M terminal;
After M2M terminal accesses described new access point, read the business data flow in described buffered memory module by described new access point;
Wherein, described M2M refers to machine to machine.
2. method according to claim 1, is characterized in that, also comprises:
When judging that described M2M terminal does not carry out network switching, described M2M terminal directly reads the business data flow that described M2M applies.
3. method according to claim 1 and 2, is characterized in that, the signal strength signal intensity of the M2M terminal location that described utilization obtains and M2M terminal current access point, judges whether M2M terminal is carried out network switching and comprised:
By end side interface, the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point is sent to position monitor module;
When described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judge whether M2M terminal carries out network switching by Decision Control module.
4. method according to claim 3, is characterized in that, when described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judges whether M2M terminal is carried out network switching and comprised by Decision Control module:
Described Decision Control module judges whether the signal strength signal intensity of described M2M terminal location and M2M terminal current access point meets current business demand;
When the signal strength signal intensity of described M2M terminal location and M2M terminal current access point meets current business demand, then rejudge after a time period;
When the signal strength signal intensity of described M2M terminal location and M2M terminal current access point does not meet current business demand, then judge that M2M terminal carries out network switching.
5. the method according to claim 3 or 4, it is characterized in that, when judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point informed to M2M terminal and comprise:
When judging that described M2M terminal carries out network switching, described Decision Control module sends switching signal respectively to application side interface and end side interface;
When described application side interface is to described switching signal, the business data flow that M2M applies is kept in buffered memory module, and buffer-storage addresses is sent to described Decision Control module;
When described end side interface is to described switching signal, triggers the switching that M2M terminal carries out access network, and configuration file is sent to described M2M terminal;
Wherein, described configuration file comprises the operation script information of new access point information and configuration.
6. method according to claim 5, is characterized in that, after M2M terminal accesses described new access point, the business data flow read in described buffered memory module by described new access point is comprised:
After M2M terminal accesses described new access point, from described Decision Control module, obtain buffer-storage addresses;
By described new access point and the buffer-storage addresses obtained, read the business data flow in described buffered memory module.
7. the M2M terminal in M2M network is a switching device shifter initiatively, it is characterized in that, comprising:
Acquisition module, for the signal strength signal intensity of the position and M2M terminal current access point that obtain M2M terminal respectively;
Judge module, for utilizing the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point, judges whether M2M terminal carries out network switching;
Buffer memory and handover module, for when judge described M2M terminal carry out network switch time, the business data flow that M2M applies is kept in buffered memory module, and triggers M2M terminal and carry out the switching of access network and new access point is informed to M2M terminal;
Read module, for after M2M terminal accesses described new access point, reads the business data flow in described buffered memory module by described new access point;
Wherein, described M2M refers to machine to machine.
8. device according to claim 7, is characterized in that, described judge module comprises:
Transmitting element, for being sent to position monitor module by end side interface by the signal strength signal intensity of obtained M2M terminal location and M2M terminal current access point;
By Decision Control module, judging unit, for when described position monitor module receives the signal strength signal intensity of described M2M terminal location and M2M terminal current access point, judges whether M2M terminal carries out network switching.
9. device according to claim 8, is characterized in that, described buffer memory and handover module comprise:
Send switching signal unit, for when judging that described M2M terminal carries out network switching, described Decision Control module sends switching signal respectively to application side interface and end side interface;
Buffer storage unit, for when described application side interface is to described switching signal, keeps in the business data flow that M2M applies in buffered memory module, and buffer-storage addresses is sent to described Decision Control module;
Network switch unit, for when described end side interface is to described switching signal, triggers the switching that M2M terminal carries out access network, and configuration file is sent to described M2M terminal;
Wherein, described configuration file comprises the operation script information of new access point information and configuration.
10. device according to claim 9, is characterized in that, described read module comprises:
Acquiring unit, for after M2M terminal accesses described new access point, obtains buffer-storage addresses from described Decision Control module;
Reading unit, for by described new access point and the buffer-storage addresses obtained, reads the business data flow in described buffered memory module.
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| CN201310493803.0A CN104581757B (en) | 2013-10-18 | 2013-10-18 | M2M terminal active switching method and device in a kind of M2M network |
| PCT/CN2014/072551 WO2014135019A1 (en) | 2013-10-18 | 2014-02-26 | Active switchover method and device for m2m terminal in m2m network |
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| CN201310493803.0A CN104581757B (en) | 2013-10-18 | 2013-10-18 | M2M terminal active switching method and device in a kind of M2M network |
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| CN106028403A (en) * | 2016-05-12 | 2016-10-12 | 西安电子科技大学 | Method for efficiently processing terminal mobility in wireless Mesh network |
| WO2019061204A1 (en) * | 2017-09-28 | 2019-04-04 | 华为技术有限公司 | Access control method and device |
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| CN104994553A (en) * | 2015-04-30 | 2015-10-21 | 北京海尔广科数字技术有限公司 | Method of sending messages among Internet of Things devices |
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| CN104581757B (en) | 2019-04-30 |
| WO2014135019A1 (en) | 2014-09-12 |
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