CN101860923B - Multi-mode communication terminal and mode switching method thereof - Google Patents
Multi-mode communication terminal and mode switching method thereof Download PDFInfo
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Abstract
The invention discloses a multi-mode communication terminal and a mode switching method thereof, relating to communication systems. In the invention, final switching target subsystems are obtained through a consultation mechanism among the multi-stage mode control main modules by comprising at least two-stage mode control main modules switched by the toggle modes of different initiator in the multi-mode communication terminal when respective decision-making switching subsystems generate conflicts, thereby better satisfying the relevant requirements of communication business, better solving the handling problems when the switching target subsystems generate conflicts because different initiators simultaneously trigger mode switching or alter the switching strategy and better avoiding the complexity for software and hardware to solve the conflict problem.
Description
Technical field
The present invention relates to communication system, particularly the multi-mode communications terminal technology in the communication system.
Background technology
Development along with the communication technology, various types of wireless communication systems have appearred, such as global system for mobile communications (Global System for Mobile communication, be called for short " GSM "), Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, be called for short " WCDMA "), TD SDMA (Time Division Synchronous Code Division MultipleAccess is called for short " TD-SCDMA ") etc.Meanwhile, the kind of fixed line communications network is also very many.
So, one station terminal equipment (especially mobile communication terminal) has often possessed the ability of access various modes network, as accessing the network of various patterns by fixed line or wireless air interface, and the network of different mode generally can provide the application service of variety classes and quality.Support that about portable terminal the technical scheme of multiple systems can be 11136547 United States Patent (USP) referring to the patent No..Support how multimodal communication terminal reasonably is switching to a leading indicator weighing its function and performance between various patterns.
At present, be in the CN101189893 patent at publication number, a kind of communication interface selection scheme based on strategy of multi mode terminal is disclosed.In this patent, multi mode terminal comprises the first controller entity, is used for carrying out first and selects routine to consider at least one first strategy about communicating via communication system; And the second controller entity, be used for carrying out second and select routine to consider at least one second strategy about communicating via communication system.This at least one second strategy relates to the communication aspects different from least one the first strategy.Multi mode terminal selects the output and second of routine to select the output of routine to select communication interface based on described first, realizes selecting from a plurality of communication interfaces that provided by communication system for communication equipment the scheme of communication interface.
Yet, the present inventor finds, along with the trend that communication network progressively merges, network side is understood active to the mandatory requirement that terminal initiation pattern is switched or switchover policy changes according to the situation of self, thereby may clash with the pattern hand-off process that end side is being initiated.Simultaneously, also probably there are a plurality of initiators that are positioned at communication protocol and communication interface system different aspects during the initiation pattern of end side hand-off process own.But in technique scheme, switch needs of problems although solved the pattern of minute Different Strategies resume module different communication aspect, but because the initiator of model selection mode is single (triggering switching by end side), the handling process of selecting also is fundamental order, therefore, technique scheme does not have to solve as different initiators and initiates simultaneously model selection (namely trigger and switch) or initiate simultaneously the request that the model selection strategy is changed and problem that how target sub system that triggers switching by different initiators that causes is processed when clashing.
And, on the other hand, be used for the mode control module of the target sub system of selection switching in the multi-mode communications terminal, when the decision objective subsystem, some judge index in the switchover policy of self are likely and constantly dynamically change, such as the signal quality of various mobile networks' accesses.The concrete numerical value of some indexs may be that the next stage mode control module just can provide like this, if always need to constantly be notified by each next stage mode control module, to increase significantly the load of system processor, in present prior art, also fail head it off.
Summary of the invention
The object of the present invention is to provide the mode switching method of a kind of multi-mode communications terminal and multi-mode communications terminal, effective solution is worked as the change of simultaneously trigger mode switching of different initiators or the switchover policy of being correlated with and is caused the problem that the switching target sub system clashes.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of multi-mode communications terminal, comprise other pattern control primary module of at least two levels, other pattern of each grade control primary module all is used for when needing pattern to switch the to be switched target sub system of switchover policy decision-making according to self, and the pattern of different stage is controlled primary module and switched by different initiator's trigger modes;
Pattern control primary module is after the handover request of receiving other pattern control primary module of other grades or switchover policy change request, if producing with the switching target sub system of the current decision of this pattern control primary module, the switching target sub system of this handover request or switchover policy change request indication or switchover policy conflict, then this pattern control primary module is controlled the negotiation request that primary module sends switching to other pattern of other grades, and both sides obtain final switching target sub system according to negotiation result.
Embodiments of the present invention also provide a kind of mode switching method of multi-mode communications terminal, comprise following steps:
The different initiators of switching for trigger mode arrange the pattern control primary module of different stage, other pattern control primary module of each grade all when the pattern that is triggered is switched according to self the to be switched target sub system of switchover policy decision-making;
If pattern control primary module is received handover request or the switchover policy change request of other pattern control primary module of other grades, and the switching target sub system of this handover request or switchover policy change request indication or switchover policy produce with the switching target sub system of the current decision of this pattern control primary module and conflict, then this pattern control primary module is controlled the negotiation request that primary module sends switching to other pattern of other grades, and both sides obtain final switching target sub system according to negotiation result.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
For adapting to the feature of the hierarchy that various communication protocols and system realize, the present invention is by comprising other pattern control primary module that is switched by different initiator's trigger modes of at least two levels in multi-mode communications terminal, when the switching target sub system of each self-decision produces conflict, obtain final switching target sub system by the negotiation mechanism between the multilevel mode control primary module.Thereby solved preferably when different initiator simultaneously trigger mode switch or the change of the switchover policy of being correlated with and processing problem when causing that switching target sub system clashes and the complexity when having avoided preferably software and hardware to solve this collision problem.
Further, owing to the trend that progressively merges along with communication network, network side can be initiatively switches or the mandatory requirement of switchover policy change to terminal initiation pattern according to the situation of self, thereby the probability that clashes with pattern hand-off process that end side is being initiated is larger.Therefore, comprise at least other pattern control primary module of the first order that is triggered switching by application layer or external equipment at multi-mode communications terminal, and triggered the pattern control primary module of the second level of switching by network side, so that the present invention possesses widely application scenarios.
Further, because some judge index in the switchover policy of mode control module self, be likely constantly dynamically to change, such as the signal quality of various mobile networks' accesses.The concrete numerical value of some indexs may be that the next stage mode control module just can provide like this, therefore, in the present invention, by introducing the between the superior and the subordinate mechanism of Concurrent negotiation of multilevel mode control primary module, can switch the live load that reduces system processor in the relevant task run in pattern, and in the to satisfy effectively business demand, obtain more efficiently rational negotiation result.
Further, pattern control primary module is after the handover request of receiving other pattern control primary module of other grades, if producing with the target sub system of the current switching of processing of this pattern control primary module, the switching target sub system of this handover request indication conflicts, then this pattern control primary module continues to process current switching, thereby avoided the by force termination to the handoff routines that can not end, and then reduced the complexity of switching between terminal system realization multi-mode.
Description of drawings
Fig. 1 is the multi-mode communications terminal structural representation according to first embodiment of the invention;
Fig. 2 be according in the first embodiment of the invention based on the multi-mode communications terminal structural representation of isdn user-network interface reference configuration;
Fig. 3 is the multi-mode communications terminal structural representation according to third embodiment of the invention;
Fig. 4 is the WCDMA/GSM/PHS multi-mode communications terminal structural representation according to the two CPU frameworks in the third embodiment of the invention;
Fig. 5 is the mode switching method flow chart according to the multi-mode communications terminal of four embodiment of the invention.
Embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing embodiments of the present invention are described in further detail.
First embodiment of the invention relates to a kind of multi-mode communications terminal.This multi-mode communications terminal comprises other pattern control primary module of at least two levels, other pattern control primary module of each grade is all for the to be switched target sub system of decision-making when needing pattern to switch, and the pattern control primary module of different stage is switched by different initiator's trigger modes.Wherein, multi-mode communications terminal is included as other pattern control primary module of the first order that is switched by application layer or external equipment trigger mode at least, and the pattern control primary module of the second level that is switched by the network side trigger mode.
Receiving the handover request or switchover policy change request of other pattern control primary module of other grades when other pattern control primary module of a level after, if producing with the switching target sub system of the current decision of this pattern control primary module, the switching target sub system of this handover request or switchover policy change request indication or switchover policy conflict, then this pattern control primary module is controlled the negotiation request that primary module sends switching to other pattern of other grades, and both sides obtain final switching target sub system according to negotiation result.
That is to say, in multi-mode communications terminal, set up multilevel hierarchy pattern control primary module and control the model selection of multi mode terminal, control switching controls order or the strategy that primary module mainly is responsible for finishing application layer or external equipment comprising higher level's pattern, hereinafter referred to as primary module A.Comprise that also one or more subordinates patterns control primary module mainly is responsible for finishing switching controls order or the strategy of automatic network, hereinafter referred to as primary module B (perhaps primary module B1, primary module B2 etc.).Certainly, pattern control primary module C (the perhaps primary module C1 that can also comprise other grade of the main switching control strategy (such as the strategy of subscriber identification module SIM card information in the movement-based terminal) of being responsible for realizing that terminal pre-sets, primary module C2 etc.) etc. other primary modules, as shown in Figure 1.Certainly, if the initiator who exists how different triggerings to switch, multi-mode communications terminal can also comprise more multi-level pattern control primary module.
For the sake of simplicity, the below only comprises primary module A and B take multi-mode communications terminal and describes as example.Suppose under the initial condition of pattern hand-off process flow process that each mode control module is all known residing certain network schemer of current terminal.When initiating simultaneously the relevant request of model selection and cause conflict because of different initiators to handle process description through consultation as follows.
1) when application layer or external equipment initiation pattern switching controls or switchover policy change order, primary module A does not also know whether the basic communication protocol module is processing the pattern of automatic network to switch or switchover policy change order this moment, primary module A gets rid of and carries out to consider the selection routine of self strategy after the state conflict of various application or external equipment, the switching target sub system of selecting is issued with the form of tabulation primary module B request is initiated to switch or the change of request switchover policy.
2) because primary module B is in the lower level of communication protocol, before the request of receiving primary module A, received from the pattern switching command of network side or the update command of pattern switchover policy also to have begun to process.After primary module B carries out the selection routine of consideration self strategy, there is contradiction in switching target sub system in the handover request of the pattern switching command that the discovering network side triggers or the update command of pattern switchover policy and primary module A, then hold consultation with primary module A, specifically, it can be selected:
A) return one and consult request to primary module A, comprise the pattern switching command information of network side or the update command information of pattern switchover policy in the request.Perhaps,
B) send the directly notice of the request of refusal primary module A to primary module A
3) if comprise the pattern switching command information of network side or the update command information of pattern switchover policy in the negotiation request that primary module A receives, then again carry out the selection routine of consideration self strategy, the result of selection can comprise:
A) order of obedience network side abandons originally issuing the requirement of primary module B;
B) ignore the practice condition of the pattern control command of network side, carry out by force switching requirement or the switchover policy change request of originally issuing primary module B, this moment, primary module B abandoned the target sub system of self decision-making, carried out the handover request of primary module A;
C) wait for the result notice of primary module B after complete according to the pattern switching command of network side (if only be the update command of pattern switchover policy then do not need to wait for), then can send a new model and tabulate to primary module B, require to carry out further pattern switching or switchover policy change.
In addition, be appreciated that in the above description, different initiators simultaneously trigger modes switch or the request of switchover policy change and position when causing conflict at primary module B.If but the position in when conflict occurs in primary module A, initiate the handling process of consulting and the handling process that above-mentioned primary module B initiates negotiation by primary module A so and can duplicate fully, do not repeat them here.Simultaneously, in the above description, (one is application layer or external equipment to two different initiators of pattern control command, another is network), if change any other two different initiators into, so long as under the basis of the mode control module structure of this multilevel hierarchy, negotiation mechanism described above is same applicable.In addition, because other pattern control primary module of level is after the switchover policy change request of receiving other pattern control primary module of other grades, indicated switchover policy may produce with the switching target sub system of the current decision of this pattern control primary module equally and conflict in this switchover policy change request, the negotiation mechanism of both sides' negotiation mechanism and above-mentioned primary module A and primary module B is similar at this moment, does not repeat them here.
The below describes as a concrete example application with the multi-mode communications terminal based on integrated services digital network (Integrated Services Digital Network is called for short " ISDN ") user-network interface reference configuration.
As shown in Figure 2, the wireless communication section of terminal equipment meets the reference access configuration of 3GPP 27 series of canonical, specifically can be referring to agreement: 3GPP TS 27.001: " General on Terminal AdaptationFunctions (TAF) for Mobile Stations (MS) ", 3GPP TS 27.007: " AT command setfor User Equipment (UE) ", its fixed line communication partly meets ITU-T Recommendation I.411 about the reference configuration of isdn user-network interface, specifically can be referring to agreement ITU-T Recommendation I.411: " ISDN User Network Interfaces---REFERENCE CONFIGURATIONS ".Whole terminal is except comprising the multi-modal communications module shown in the figure, can also comprise the terminal equipment (Terminal Equipment is called for short " TE ") of an inside, TE that simultaneously can external a plurality of outsides.The outside TE here generally is by serial ports, USB interface or mode and the multi-modal communications module generation physical connection such as infrared, and carry out communication with the protocol mode of AT order.
" pattern control 1 " module is positioned at terminal adapting function (Terminal Adaptation Functions, abbreviation " TAF ") inside, be equivalent to aforesaid " pattern is switched primary module A ", its Main Function is pattern control command or the strategy of processing application layer (inner TE) or external TE, solve the control hazard of each side, and can determine to carry out the switching between ISDN fixed line pattern and the mobile communication mode.Noting not getting rid of pattern control command or strategy here also can be from " pattern control 2 " module or isdn network.
" pattern control 2 " module is positioned at the inside of portable terminal MT, be equivalent to aforesaid " pattern is switched primary module B ", its Main Function is access module control command or the strategy of processing 3GPP mobile communication lower layer protocol layer, especially automatically finishes switching controls order or strategy from the mobile network.Notice that here access module control command or strategy also can be from " pattern control 1 " modules.
Suppose under certain initial condition that owing to be in moving process, the interface of this terminal access ISDN is unavailable, the mobile communication subsystem of current activation is gsm system.The pattern of the applications trigger of an external TE initiation is switched the target sub system of making a strategic decision with network side and is clashed, and the handling process that should conflict is as follows:
1) this application requirements of external TE initiation bans use of GSM pattern (such as because do not support this business under the GSM), and preferentially selects TD-SCDMA pattern (such as because the reason of different operators).The request of initiating to use arrives after " pattern control 1 " module, and " pattern control 1 " module determines to send in the pattern handover request to " pattern control 2 " module, and the tabulation of target pattern comprises TD-SCDMA and WCDMA.
2) " pattern control 2 " module had been received the measurement report of TD-SCDMA network cell and WCDMA network cell signal quality before the request of receiving " pattern control 1 " module, according to reporting the result, should preferentially select the WCDMA network." pattern control 2 " module determines to return one and consults request to " pattern controls 1 " module after the selection routine of consideration self strategy is carried out in the request of " pattern control 1 " module, comprises requirement in the request and preferentially selects the WCDMA cause information.
3) " pattern control 1 " module is received the request of negotiation, again carries out the selection routine of considering self strategy according to cause information, and selection result can be:
A) send a new model handover request to " pattern control 2 " module, agree to carry out the operation that pattern switches to WCDMA.Perhaps,
B) send a new model handover request to " pattern control 2 " module, require to carry out the operation that pattern switches to TD-SCDMA.
" pattern control 2 " module is carried out handover operation according to from " the pattern control 1 " negotiation result that module is received, with the notice of the result after complete " pattern control 1 " module, then " pattern control 1 " module notice is used after a while.
In above-mentioned example, " pattern control 1 " module (being primary module A) is sent the reason of conflicting and is with " pattern control 2 " module (being primary module B), primary module A should preferentially switch to the TD-SCDMA system according to self strategic decision-making, and primary module B should preferentially switch to WCDMA according to self strategic decision-making, therefore sends the request of negotiation to primary module A.And in actual applications, also have the situation of many other conflicts, such as the switching target sub system of primary module A decision-making is judged to be by primary module B can not the handover success situation.
Specifically, under certain initial condition, terminal is in non-moving state, the interface of this terminal access ISDN can be used, the mobile communication subsystem of current activation is gsm system, the pattern of the applications trigger of an external TE initiation is switched the target sub system of making a strategic decision with network side and is clashed, and the handling process that should conflict is as follows:
1) application of external TE initiation is higher to qos requirement, and after request arrival " pattern controls 1 " module trigger mode of therefore initiating to use was switched, " pattern control 1 " module is judged need to be linked into WCDMA or isdn network.So in the pattern handover request that " pattern control 1 " module determines to send to " pattern control 2 " module, the tabulation of target pattern only comprises WCDMA.
2) " pattern control 2 " module is before the request of receiving " pattern control 1 " module, known that MT has received the measurement report to the adjacent WCDMA residential quarter of the GSM Serving cell at place, according to report and related specifications, judging can not success to the switching of WCDMA residential quarter.Therefore, " pattern control 2 " module determines to return one and consults request to " pattern controls 1 " module after the selection routine of consideration self strategy is carried out in the request of " pattern control 1 " module, comprises the limited cause information of above-mentioned switching in the request.
3) " pattern control 1 " module is received the request of negotiation, again carries out the selection routine of consideration self strategy, and the result of selection is:
A) obedience abandons originally issuing the switching requirement of " pattern control 2 " module to mobile network's measurement report, and notice " pattern control 2 " module stops the operation of GSM subsystem.
B) operation of unlatching fixed-line network ISDN subsystem.
Be not difficult to find, in the present embodiment, for adapting to the feature of the hierarchy that various communication protocols and system realize, by in multi-mode communications terminal, comprising other pattern control primary module that is switched by different initiator's trigger modes of at least two levels, when the switching target sub system of each self-decision produces conflict, obtain final switching target sub system by the negotiation mechanism between the multilevel mode control primary module.Thereby solved preferably when different initiator simultaneously trigger mode switch or change switchover policy and processing problem when causing that switching target sub system clashes and the complexity when having avoided preferably software and hardware to solve this collision problem.
And, owing to the trend that progressively merges along with communication network, network side can be initiatively switches or the mandatory requirement of switchover policy change to terminal initiation pattern according to the situation of self, thereby the probability that clashes with pattern hand-off process that end side is being initiated is larger.Therefore, further, at least comprise other pattern control primary module of the first order that is triggered switching by application layer or external equipment at multi-mode communications terminal, with the pattern control primary module that is triggered the second level that switches by network side, so that present embodiment possesses widely application scenarios, so that the mechanism of consulting also can adapt to the more various relevant order of pattern control that comes from network side preferably, satisfying may be from the demand of operator.
In addition, it is worth mentioning that, if pattern control primary module (such as primary module B) is after the handover request of receiving other other pattern control primary modules (such as primary module A) of level, the switching target sub system of this handover request indication produces with the target sub system of the current switching of processing of this pattern control primary module conflicts, then this pattern control primary module can continue to process current switching, and (A is carrying out the target sub system that pattern is switched and switched at present such as the notice primary module to send the negotiation request of switching to other pattern of other grades control primary module, judge whether and again to switch by primary module A, and determination result is notified to primary module B).
Because the subsystem of different mode mobile communication is when switching each other, the terminal of some kind must be again downloads to corresponding core position with software or the firmware code of respective objects subsystem, and the action of this download has the characteristic that can not interrupt, in the process that execution pattern is switched, there is the terminal of the software and hardware implementation that can not end routine in order to save taking of memory headroom for some, if after the handover request of receiving other pattern control primary module of other grades, end by force present ongoing switching, the performance of terminal will be had a strong impact on, so that the realization of switching between the terminal multi-mode is more complicated.Therefore, by in the processing procedure of switching, the mechanism of the negotiation of setting up when the conflict of target sub system occurs, can effectively avoid the by force termination (and switch finish the result also might bring change to original switchover policy) to the handoff routines that can not end, thereby avoid terminal system to realize the complexity of switching between multi-mode.
Second embodiment of the invention relates to a kind of multi-mode communications terminal, and present embodiment has been done further improvement on the basis of the first execution mode.In the present embodiment, the pattern control primary module of second level also is used for after the handover request of receiving other pattern control primary module of the first order, judge paid-in but not yet notify the switchover policy modification information to other pattern of first order control primary module whether can have influence on the indicated switching target sub system of this handover request, if, the switchover policy modification information that then will not yet notify sends to other pattern of first order control primary module, other pattern control primary module of the request first order to be switched target sub system of again making a strategic decision.
The below still describes as an example of as shown in Figure 2 multi-mode communications terminal example, still supposes under certain initial condition, owing to be in moving process, the interface of this terminal access ISDN is unavailable, and the mobile communication subsystem of current activation is gsm system.
1) application of being initiated by an external TE is because relatively more responsive to charging, and the request of initiating to use arrives after " pattern control 1 " module, and judgement need to be linked into the WCDMA network.So in the pattern handover request that " pattern control 1 " module determines to send to " pattern control 2 " module, the tabulation of target pattern only comprises WCDMA.
2) " pattern control 2 " module is before the request of receiving " pattern control 1 " module, known that GSM Serving cell that MT has received at the place and TD-SCDMA adjacent cell initiate the notice (this notice may be initiated by core network by operator, and has utilized the mode of the user being served identification module usim card OTA (over the air)) that the rate of related service reduce.Because this notice has had influence on the pattern switchover policy about charging of " pattern control 1 " module, after " pattern control 2 " module is carried out the selection routine of consideration self strategy to the request of " pattern control 1 " module, decision is returned one and is consulted request to " pattern control 1 " module, comprises above-mentioned cause information in the request.
" pattern control 1 " module is received the request of negotiation, again carry out the selection routine of consideration self strategy, find to initiate the minimum network schemer of these required rate of application and become TD-SCDMA, final decision sends a new model handover request to " pattern control 2 " module, and the tabulation of target pattern only comprises TD-SCDMA." pattern control 2 " module is switched according to final switching target sub system of consulting.
Third embodiment of the invention relates to a kind of multi-mode communications terminal.Present embodiment is improved on the basis of the first execution mode, and main improvements are: the pattern control primary module of the second level in the multi-mode communications terminal has two at least.Other pattern of first order control primary module also is used for need to be according to the to be switched target sub system of the information decision of the pattern control primary module of each second level the time, pattern control primary module to each second level sends the request that is used for obtaining information respectively, and according to the response message of the pattern of each second level control primary module feedback, the to be switched target sub system of making a strategic decision.Certainly, multi-mode communications terminal can also comprise pattern control primary module C (the perhaps primary module C1 of other grade of the main switching control strategy (such as the strategy of SIM card information in the movement-based terminal) of being responsible for realizing that terminal pre-sets equally, primary module C2 etc.) etc. other primary modules, as shown in Figure 3.
For the sake of simplicity, below the existence of primary module C (C1, C2) is not still considered in explanation, and subordinate's primary module of primary module A is the pattern control primary module of a plurality of second levels such as primary module B1, B2.The Concurrent negotiation handling process that needs downward first class mode control primary module to obtain because of model selection policy-related (noun) judge index value is summarized as follows:
1) when application layer or external equipment initiation pattern switching controls or switchover policy change order, primary module A gets rid of and carries out after the state conflict of various application or external equipment when considering the selection routine of self strategy, finding oneself need to be to primary module B1, the second level such as primary module B2 other pattern control primary module obtains respectively a certain index value (also can be many index numerical value), and could determine to be to primary module B1 or primary module B2 sends further order after comparing.So its while comprises the information of this index and the mode list that can select at least to the request that primary module B1 and primary module B2 send a negotiation in the request.
2) primary module B1 returns to one of primary module A and consults response, and responding content can comprise:
A) directly refusal is consulted, that is the association requests of follow-up primary module A can not be issued primary module B1 again.Perhaps,
B) accept to consult request, return the information of requested index and the mode list that can select.
3) primary module B2 carries out identical negotiation action with primary module B1.
After primary module A receives that the negotiation of primary module B2 and primary module B1 is responded, again carry out the selection routine of consideration self strategy, the pattern of finally selecting is issued corresponding primary module B2 or the primary module B1 that is responsible for switching with the form of tabulation, and request is initiated to switch or the request switchover policy changes.Certainly, primary module A also can be directly replys the failure of switching controls to application layer or external equipment.
Because some judge index in the switchover policy of mode control module self, be likely constantly dynamically to change, such as the signal quality of various mobile networks' accesses.The concrete numerical value of some indexs may be that the next stage mode control module just can provide like this, if always need to constantly be notified by each next stage mode control module, will increase significantly the load of system processor.Therefore, in the present embodiment, by introducing the between the superior and the subordinate mechanism of Concurrent negotiation of multilevel mode control primary module, can switch the live load that reduces system processor in the relevant task run in pattern, namely obtain more efficiently rational negotiation result when the demand of to satisfy effectively business.
In addition, be appreciated that in the present embodiment that the initiator of Concurrent negotiation is primary module A, passive negotiation side is primary module B1 and B2.But if any other initiator, perhaps the initiator of Concurrent negotiation and passive negotiation side are other primary modules that possesses relationship between superior and subordinate, and the handling process of initiating in case of necessity Concurrent negotiation can duplicate fully.Can notice simultaneously that the conflict negotiation mechanism in Concurrent negotiation mechanism described above and the execution mode 1 can be to use simultaneously.
At least be divided into 3 grades communication terminal for multilevel mode control framework, can adopt equally the mechanism of the scheme realization Concurrent negotiation of present embodiment.The below describes as a concrete example application with the WCDMA/GSM/PHS multi-mode communications terminal of a kind of pair of CPU framework, and wherein, PHS is personal handyphone system (Personal Handyphone System).
In the WCDMA/GSM/PHS multi-mode communications terminal of this pair CPU framework, multilevel mode control framework has been divided into 3 grades at least, triggered other pattern control primary module (can be described as primary module A) of the first order that switches by application layer or external equipment, the responsible pattern control primary module (can be described as primary module C) of realizing the second level of the switching control strategy (such as the strategy of SIM card information in the movement-based terminal) that terminal pre-sets, and trigger other pattern of the third level of switching by network side and control primary module (can be described as primary module B1, B2).
As shown in Figure 4, multi-mode communications terminal can belong to a kind of multi-modulation scheme Wireless Telecom Equipment.Whole terminal is made of application processor and two part combinations of communication processor, and both sides carry out communication in the mode of internal communication protocol using.
" pattern control 1 " module is positioned at the inside of application processor, be equivalent to above-mentioned primary module A, its Main Function is pattern control command or the strategy of processing application layer, solve the control hazard of each application program, and and " pattern control 2 " module between carry out the communication of pattern control command or policy information.
" pattern control 2 " module is positioned at the inside of Communication processor, is equivalent to above-mentioned primary module C.Except also needing to process the SIM information of inserting terminal with the support that application programs is provided with " pattern control 1 " module communication, can dominate the switching that determines to carry out between 3GPP subsystem and the PHS subsystem.
" pattern control 31 " module is positioned at the inside of Communication processor, is equivalent to above-mentioned primary module B1.Its Main Function is access module control command or the strategy of processing 3GPP mobile communication lower layer protocol layer, especially automatically finishes switching controls order or strategy from the 3GPP mobile network.
" pattern control 32 " module is positioned at the inside of Communication processor, is equivalent to above-mentioned primary module B2.Its Main Function is access module control command or the strategy of processing PHS Low-Level Communication Protocol layer, especially automatically finishes switching controls order or strategy from the PHS public and private network.
Suppose under certain initial condition that the mobile communication subsystem of current activation is gsm system.When being switched by a data-application trigger mode than higher speed of external equipment initiation, the flow process of a Concurrent negotiation that causes following (this application requirements bans use of GSM pattern (such as because do not support respective service quality Q oS under the GSM)):
1) after request arrival " pattern control 1 " module of initiating to use, " pattern control 1 " module determines to send the pattern handover request to " pattern control 2 " module, and in this pattern handover request, the tabulation of target pattern comprises PHS and WCDMA.
2) " pattern control 2 " module is in the request of receiving " pattern control 1 " module, after carrying out the selection routine of consideration self strategy, determine to send respectively one and consult request to " pattern control 31 " and " pattern control 32 " module, the radio signal quality information that comprises the mobile network of requirement in the request, and wherein send in the request of " pattern control 31 " module and comprise WCDMA, send in the request of " pattern control 32 " module and comprise PHS.
3) " pattern control 31 " module is received the request of negotiation, carries out the selection routine of consideration self strategy, returns a negotiate response to " pattern control 2 " module, and response contents can comprise:
A) WCDMA mobile network's radio signal quality information, expression can be carried out the operation that pattern switches to WCDMA.Perhaps,
B) expression cannot be carried out the operation that pattern switches to WCDMA.
4) " pattern control 32 " module is received the request of negotiation, carries out the selection routine of consideration self strategy, returns a negotiate response to " pattern control 2 " module, and response contents can comprise:
A) PHS mobile network's radio signal quality information, expression can be carried out the operation that pattern switches to PHS private network (home box).Perhaps,
B) expression cannot be carried out the operation that pattern switches to PHS.
5) after " pattern control 2 " module is received above-mentioned all negotiate response, again carry out the selection routine (such as the radio signal quality that has compared WCDMA mobile network and PHS network) of consideration self strategy, the pattern control that draws at last it determines that this decision can be:
A) pattern that will finally select is issued some in " pattern control 31 " module and " pattern control 32 " module with the form (such as only comprising WCDMA) of tabulation, and request is initiated to switch.Or,
B) directly reply the failure of switching controls to " pattern control 1 " module.(" pattern control 1 " module is also just directly replied the failure of switching controls to application layer at this moment).
Be not difficult to find that because the feature of the hierarchy of the communication protocol of various wireless and fixed line, setting up multilevel mode control primary module in the multi mode terminal, to come control model to select be necessary.Simultaneously, because the convergence of various communication networks (especially core network), the initiator that the initiation pattern is switched related command no longer is application program or the terminal use of single end side, it also might come from network side with various forms, perhaps other communication interface, for example interface variation of the USIM/SIM of moving communicating field and mobile phone.Therefore, in the respective embodiments described above, in multi mode terminal, set up multilevel mode control primary module, control the model selection of multi mode terminal by the negotiation mechanism between the Multistage Control primary module, solved better the collision problem that pattern is switched or switchover policy changes from different initiators, namely various possible network insertion patterns have more effectively been used.
And, for the tight related business of some and model selection, when command collision occurs different pattern control initiators in the mechanism of consulting, the result who consults can satisfy professional demand better (such as charging, QoS, safety, taking over seamlessly etc. between different system), thereby can improve user's impression.
Method execution mode of the present invention can be realized in software, hardware, firmware etc. mode.No matter the present invention realizes with software, hardware or firmware mode, instruction code can be stored in the memory of computer-accessible of any type (for example permanent or revisable, volatibility or non-volatile, solid-state or non-solid-state, medium fixing or that change etc.).Equally, memory can for example be programmable logic array (Programmable Array Logic, be called for short " PAL "), random access memory (Random Access Memory, be called for short " RAM "), programmable read only memory (Programmable Read Only Memory, be called for short " PROM "), read-only memory (Read-Only Memory, be called for short " ROM "), Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM, be called for short " EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc is called for short " DVD ") etc.
Four embodiment of the invention relates to a kind of mode switching method of multi-mode communications terminal, and idiographic flow as shown in Figure 5.
In step 501, multi-mode communications terminal is the pattern control primary module that the different initiators of trigger mode switching arrange different stage, and other pattern control primary module of each grade is the to be switched target sub system of decision-making when the pattern that is triggered is switched all.Such as, the pattern control primary module of the different stage that arranges has: be other pattern control primary module (referred to as primary module A) of the first order that is switched by application layer or external equipment trigger mode, and the pattern control primary module (referred to as primary module B) of the second level that is switched by the network side trigger mode.Need to prove that this step is actually a step of carrying out in advance, is not to carry out when each execution pattern is switched, but what carry out in advance, only needs to carry out once.When trigger mode is switched, directly enter step 502, the idiographic flow that step 502 is switched for pattern of execution to step 506.
In step 502, primary module A sends handover request to primary module B after being employed the switching of layer or external equipment trigger mode.
Then, in step 503, primary module B is after the handover request of receiving other pattern control primary module of other grades, judge whether the switching target sub system of this handover request indication conflicts with the switching target sub system generation of the current decision of this primary module B, if not conflict, then enter step 504, carry out switching according to the handover request that primary module A sends; If produce conflict, then enter step 505, primary module B carries out the negotiation of target sub system to the negotiation request that primary module A sends switching with primary module A.
Then, in step 506, primary module B obtains final switching target sub system according to negotiation result, and carries out the pattern switching according to final switching target sub system.
Need to prove, because other pattern control primary module of level is after the switchover policy change request of receiving other pattern control primary module of other grades, indicated switchover policy may produce with the switching target sub system of the current decision of this pattern control primary module equally and conflict in this switchover policy change request.Therefore, in the present embodiment, if primary module A has sent switchover policy change request to primary module B, and the switchover policy of this switchover policy change request indication has produced with the switching target sub system of the current decision of primary module B and has conflicted, then primary module B need to send to primary module A the negotiation request of switching equally, carry out the negotiation of target sub system with primary module A, and carry out the pattern switching according to final negotiation result.
In addition, it is worth mentioning that, if the switchover policy change request that primary module A sends to primary module B, the switchover policy change request of receiving by other approach with primary module B has occured to conflict, then primary module B can carry out similar step (have the conflict of switchover policy change request in judgement after equally, initiate the negotiation with primary module A, and change according to the switchover policy that negotiation result is treated change), solve the collision problem of switchover policy change order.
In addition, as an optional operation, if primary module B is in the process that the pattern of processing is switched, receive handover request or the switchover policy change request of primary module A, and the switching target sub system of this handover request indication or switchover policy produce with the target sub system of the current switching of processing and conflict, then primary module B can continue to process current switching, and sends the negotiation request of switching to primary module A.
Be not difficult to find that present embodiment is the method execution mode corresponding with the first execution mode, present embodiment can with the enforcement of working in coordination of the first execution mode.The correlation technique details of mentioning in the first execution mode and the relevant art effect that reaches are still effective in the present embodiment, in order to reduce repetition, repeat no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in the first execution mode.
Fifth embodiment of the invention relates to a kind of mode switching method of multi-mode communications terminal.Present embodiment is improved on the basis of the 4th execution mode, and main improvements are: primary module B also comprises following steps after the handover request of receiving primary module A:
Primary module B judges paid-in but not yet notifies the switchover policy modification information to primary module A whether can have influence on the indicated switching target sub system of this handover request, if, the switchover policy modification information that then will not yet notify sends to primary module A, the request primary module A to be switched target sub system of again making a strategic decision.
Be not difficult to find that present embodiment is the method execution mode corresponding with the second execution mode, present embodiment can with the enforcement of working in coordination of the second execution mode.The correlation technique details of mentioning in the second execution mode and corresponding technique effect are still effective in the present embodiment, in order to reduce repetition, repeat no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in the second execution mode.
Sixth embodiment of the invention relates to a kind of mode switching method of multi-mode communications terminal.Present embodiment is improved on the basis of the 4th execution mode, and main improvements are: also comprise following steps:
When primary module A switches in the pattern that is triggered, if the pattern control primary module of each second level that need to comprise according to multi-mode communications terminal (is primary module B1, B2) target sub system that the information decision in is to be switched, then respectively to primary module B1, B2 sends the request that is used for obtaining information, and according to primary module B1, the response message of B2 feedback, the to be switched target sub system of making a strategic decision.
Be not difficult to find that present embodiment is the method execution mode corresponding with the 3rd execution mode, present embodiment can with the enforcement of working in coordination of the 3rd execution mode.The correlation technique details of mentioning in the 3rd execution mode is still effective in the present embodiment with corresponding technique effect, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in the 3rd execution mode.
Need to prove, each unit of mentioning in each equipment execution mode of the present invention all is logical block, physically, a logical block can be a physical location, it also can be the part of a physical location, can also realize that the physics realization mode of these logical blocks itself is not most important with the combination of a plurality of physical locations, the combination of the function that these logical blocks realize is the key that just solves technical problem proposed by the invention.In addition, for outstanding innovation part of the present invention, above-mentioned each the equipment execution mode of the present invention will not introduced not too close unit with solving technical problem relation proposed by the invention, and this does not show that there is not other unit in the said equipment execution mode.
Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. multi-mode communications terminal, it is characterized in that, comprise other pattern control primary module of at least two levels, other pattern control primary module of each grade is all for the to be switched target sub system of decision-making when needing pattern to switch, and the pattern control primary module of different stage triggers described pattern by different initiators and switches;
Described pattern control primary module is after the handover request of receiving other pattern control primary module of other grades or switchover policy change request, if producing with the switching target sub system of the current decision of this pattern control primary module, the switching target sub system of this handover request or switchover policy change request indication or switchover policy conflict, then this pattern control primary module is controlled the negotiation request that primary module sends switching to other pattern of described other grades, and both sides will obtain final switching target sub system according to negotiation result;
Other pattern control primary module of described two levels is respectively by application layer or external equipment and triggers other pattern control primary module of the first order that described pattern is switched, pattern control primary module with the second level that is triggered described pattern switching by network side, wherein the first rank represents two different ranks with second level, but does not represent that these two ranks have successively or subordinate relation.
2. multi-mode communications terminal according to claim 1 is characterized in that, described multi-mode communications terminal comprises the pattern control primary module of at least two described second levels;
Other pattern of described first order control primary module also is used for need to be according to the to be switched target sub system of the information decision of the pattern control primary module of each described second level the time, pattern control primary module to each described second level sends for the request of obtaining described information respectively, and according to the response message of the pattern of each described second level control primary module feedback, the to be switched target sub system of making a strategic decision.
3. multi-mode communications terminal according to claim 1, it is characterized in that, described pattern control primary module also is used for after the handover request of receiving other pattern control primary module of other grades, judge paid-in but not yet notify the switchover policy information to other pattern of described other grades control primary module whether can have influence on the indicated switching target sub system of this handover request, if, then the described not yet switchover policy information of notice is sent to described other other patterns of level control primary modules, ask other pattern of described other grades to control primary module to be switched target sub system of again making a strategic decision.
4. each described multi-mode communications terminal in 3 according to claim 1, it is characterized in that, described pattern control primary module also is used for when receiving the switchover policy change request of other pattern control primary module of other grades, if this switchover policy change request conflicts with current the generation from other approach switchover policy change that receive or that the processing request except other pattern control primary module of described other grades of this pattern control primary module, then this pattern control primary module sends the negotiation request of switchover policy change request to other pattern control primary module of described other grades, and both sides will change according to the switchover policy that negotiation result is treated change.
5. each described multi-mode communications terminal in 3 according to claim 1, it is characterized in that, described pattern control primary module also is used for after the handover request of receiving other pattern control primary module of other grades or switchover policy change request, if producing with the target sub system of the current switching of processing of this pattern control primary module, the switching target sub system of this handover request or switchover policy change request indication or switchover policy conflict, then this pattern control primary module continues to process current switching, and sends the negotiation request of switching to other pattern control primary module of described other grades.
6. the mode switching method of a multi-mode communications terminal is characterized in that, comprises following steps:
The different initiators of switching for trigger mode arrange the pattern control primary module of different stage, and other pattern control primary module of each grade is the to be switched target sub system of decision-making when the pattern that is triggered is switched all; The pattern control primary module of the different stage of described setting, at least be included as other pattern control primary module of the first order that is switched by application layer or external equipment trigger mode, pattern control primary module with the second level that is switched by the network side trigger mode, wherein the first rank represents two different ranks with second level, but does not represent that these two ranks have successively or subordinate relation;
If described pattern control primary module is received handover request or the switchover policy change request of other pattern control primary module of other grades, and the switching target sub system of this handover request or switchover policy change request indication or switchover policy produce with the switching target sub system of the current decision of this pattern control primary module and conflict, then this pattern control primary module is controlled the negotiation request that primary module sends switching to other pattern of described other grades, and both sides will obtain final switching target sub system according to negotiation result.
7. the mode switching method of multi-mode communications terminal according to claim 6 is characterized in that, also comprises following steps:
Other pattern control primary module of the described first order is when the pattern that is triggered is switched, if the to be switched target sub system of information decision in the pattern control primary module of each described second level that need to comprise according to described multi-mode communications terminal, then controlling primary module to the pattern of each described second level respectively sends for the request of obtaining described information, and according to the response message of the pattern of each described second level control primary module feedback, the to be switched target sub system of making a strategic decision, wherein, described multi-mode communications terminal comprises the pattern control primary module of at least two described second levels.
8. the mode switching method of multi-mode communications terminal according to claim 6 is characterized in that, described pattern control primary module also comprises following steps after the handover request of receiving other pattern control primary module of described other grades:
Described pattern control primary module is judged paid-in but is not yet notified the switchover policy information to other pattern control primary module of described other grades whether can have influence on the indicated switching target sub system of this handover request, if, then the described not yet switchover policy information of notice is sent to described other other patterns of level control primary modules, ask other pattern of described other grades to control primary module to be switched target sub system of again making a strategic decision.
9. the mode switching method of each described multi-mode communications terminal in 8 according to claim 6 is characterized in that, after the different initiators of switching for trigger mode arrange the pattern control primary module of different stage, also comprises following steps:
Described pattern control primary module is when receiving the switchover policy change request of other pattern control primary module of other grades, if this switchover policy change request conflicts with current the generation from other approach switchover policy change that receive or that the processing request except other pattern control primary module of described other grades of this pattern control primary module, then this pattern control primary module sends the negotiation request that the switchover policy change is asked to other pattern control primary module of described other grades, and the switchover policy that both sides treat change according to negotiation result changes.
10. the mode switching method of each described multi-mode communications terminal in 8 according to claim 6, it is characterized in that, described pattern control primary module also comprises following steps after the handover request of receiving other pattern control primary module of other grades or switchover policy change request:
If producing with the target sub system of the current switching of processing of this pattern control primary module, the switching target sub system of this handover request or switchover policy change request indication or switchover policy conflict, then this pattern control primary module continues to process current switching, and sends the negotiation request of switching to other pattern control primary module of described other grades.
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| CN101009914A (en) * | 2006-01-24 | 2007-08-01 | 华为技术有限公司 | Starting method of the multi-mode terminal service |
| CN101207900A (en) * | 2006-12-20 | 2008-06-25 | 华为技术有限公司 | Method, system and multi-mode terminal for implementing network selection in multi-standard communication network |
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| CN101009914A (en) * | 2006-01-24 | 2007-08-01 | 华为技术有限公司 | Starting method of the multi-mode terminal service |
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