Keep the method and the portable terminal of Multimedia Message service continuity
Technical field
The present invention relates to keep Multimedia Message service (MMS, Multimedia Message Service) successional technology, relate in particular to a kind of support Wireless Fidelity (WiFi, Wireless Fi delity) mode mobile terminal, and this portable terminal is kept the method for Multimedia Message service continuity.
Background technology
Comprise the 802.11b/g standard in the WiFi technology, the WiFi transmission speed is higher, can reach 11Mbps or 54Mbps.WiFi has become the synonym of WLAN (wireless local area network) (WLAN, Wireless Local Area Network) technology at present.The WiFi function has become the standard configuration of middle and high end portable terminal, portable terminal WiFi gets online without being tethered to a cable has become a kind of trend and trend, surf the Net by WiFi, web page browsing and speed of download are all than by GPRS (GPRS, General Packet Radio Service) or code division multiple access (CDMA, C ode Division Multiple Access) mode is faster, some portable terminal is experienced for the continuity that guarantees to surf the web, when portable terminal leaves WiFi focus or WiFi signal interruption, provide automatic GRPS to dial up on the telephone, online is switched to the GRPS mode.And except that function of surfing the Net, GRPS/GSM, TD SDMA (TD-SCDMA, Time Division-Synchronous CodeDivision Multiple Access), portable terminal such as CDMA can also provide other rich data business, as wireless mail push (PushMail), MMS, Streaming Media or the like.And in a single day portable terminal has possessed the WiFi function, uses above-mentioned business will become possibility by the WiFi mode.Domestic present stage, some operator is fermenting for the user provides the territory by WiFi mode access to mobile network PS, thereby obtains and corresponding to form of service of mobile network's access way and business experience.
Fig. 1 is the structural representation that the data service of WiFi and CDMA is merged, be fused to example with WiFi and CDMA2000, as shown in Figure 1, the CDMA2000/WiFi mode mobile terminal can be by the packet exchange (PS of WiFi bearing mode visit CDMA2000, Packet Switching) territory, mobile phone users not only can obtain to insert corresponding to business experience with CDMA2000, and can obtain to insert higher uplink and downlink speed than CDMA2000.AP GW function among Fig. 1 is strengthened, just can be by the fusion of speech business is provided.
If the PDSN among Fig. 1 is replaced by Gateway GPRS Support Node (GGSN, Gateway GPRSSupport Node)/Serving GPRS Support Node (SGSN, Serving GPRS Support Node) network element, it is exactly the integration program of the common employing of WiFi and WCDMA (Wideband Code Division Multiple Access), WiFi and TD-CDMA, similar with two kinds of schemes introducing above, repeat no more here.
When more than several integration programs of Jie Shaoing all do not embody terminal and switch, how to guarantee the continuity problem of data service between WiFi and mobile network, openly relevant technical scheme is not arranged at present as yet.WiFi and CDMA2000, WiFi and WCDMA and WiFi and TD-SCDMA are in the fusion of terminal aspect and network level, how to guarantee in the time of certainly will having brought portable terminal between WiFi and mobile network, to switch that these business do not interrupt, promptly how to keep successional problem, the problem of service layer fusion just.Though at present most data service is all carried out based on the IP agreement, the application of every kind of data service has then often adopted different communications protocol, and handover scheme also is not quite similar.
No matter WiFi and which kind of mobile network are merged, Fig. 2 is the structural representation that the data service of WiFi and mobile network is merged, and the WiFi mode mobile terminal finally is linked in the MMS operation system through core net by mobile network's (specifically comprising CDMA2000, WCDMA, TD-SCDMA) or by WiFi again.From service layer, no matter be which kind of integration program, also no matter portable terminal is linked into the MMS operation system by which kind of Access Network, portable terminal finally carries out IP by mobile core network IP address allocated and operation system communicates by letter, and the identical also possibility of IP address possibility that the mobile core network before and after switching is distributed to terminal is different.
When portable terminal is supported the WiFi function, will inevitably face the problem that realizes the MMS business by mobile network or WiFi function, not only mobile phone users can initiatively be selected corresponding Access Network, and portable terminal also can select corresponding Access Network to realize the MMS business according to the Access Network environment of reality.When relating to Access Network and switching,, must carry out business switching, but present technology does not have as yet and relates to for ongoing MMS business.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and portable terminal of keeping the Multimedia Message service continuity, and portable terminal can guarantee the continuation of current MMS business when carrying out the Access Network switching.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of keeping the Multimedia Message service continuity comprises:
When being in the portable terminal execution Access Network switching in the Multimedia Message service MMS business, preserving the information of current MMS business and keep current show state;
Switch finish after, described portable terminal is according to the information of the MMS business of preserving that finds out, and reconnects to the core net of described mobile network by current Access Network, the described MMS business that continues again, and upgrade the show state of described portable terminal.
Preferably, in the described MMS of the being in business be, be in the reception MMS business, or be in the transmission MMS business.
Preferably, be in when receiving in the MMS business, the information of preserving current MMS business is:
Preserve the uniform resource position mark URL information of current MMS business.
Preferably, the described described MMS business that continues again, for:
Be in when receiving in the MMS business, described portable terminal receives described MMS message again according to the URL information of described MMS message.
Preferably, described Access Network comprises that Wireless Fidelity WiFi, worldwide interoperability for microwave insert WiMax and mobile network; Described Access Network switching comprises WiFi/WiMax and mobile network;
The Access Network that described portable terminal is carried out between WiFi/WiMax and the mobile network switches, for:
Described portable terminal switches according to the Access Network that the Access Network switching condition that self is provided with triggers between WiFi/WiMax and the mobile network voluntarily;
Perhaps, between WiFi/WiMax and mobile network, carry out the switching of Access Network according to the switching command of described portable terminal.
A kind of portable terminal, by the core net of Access Network access mobile network, described portable terminal comprises switch unit, first determining unit, preserves the unit, searches unit, contiguous unit and updating block, wherein:
Switch unit is used to carry out Access Network and switches, and triggers described first determining unit;
First determining unit when being used for determining that described portable terminal is in the MMS business, triggering and preserves the unit;
Preserve the unit, be used to preserve the information and the current display message of current MMS business;
Search the unit, be used for after described portable terminal switching is finished, searching the information of the MMS business of preserving described preservation unit;
Contiguous unit, the Access Network after being used for switching by described switch unit reconnects to the core net of described mobile network, and described MMS business again continues;
Updating block is used for upgrading the show state of described portable terminal after described contiguous unit continues described MMS business.
Preferably, described first determining unit determines that further described portable terminal is in the reception MMS business, or is in the transmission MMS business.
Preferably, when described preservation unit is in the reception MMS business at described portable terminal, preserve the URL information of current MMS business.
Preferably, when described contiguous unit was in the reception MMS business at described portable terminal, further the URL according to described MMS business received described MMS message again.
Preferably, described portable terminal also comprises unit and monitoring means is set; Wherein:
The unit is set, is used to be provided with the Access Network switching condition;
Monitoring means is used to monitor the current Access Network of described portable terminal and whether satisfies described Access Network switching condition, and trigger described switch unit when satisfying condition.
Preferably, described portable terminal also comprises receiving element, is used to receive the switching command of described portable terminal, and triggers described switch unit according to described switching command.
Preferably, described Access Network comprises WiFi, WiMax and mobile network; Described switch unit further switches between WiFi/WiMax and mobile network.
Among the present invention, portable terminal is according to the current energy information that monitors the wireless signal of current Access Network, when determining to carry out the Access Network switching, or when receiving the Access Network switching command of mobile phone users, portable terminal is judged the current MMS business that whether has, sometimes will preserve the relevant information of current MMS business, realizing that Access Network switches the back according to these MMS business of preservation MMS business continuing, thereby guaranteed the continuity of MMS business in the portable terminal, offered the preferable user experience of mobile phone users.
Description of drawings
Fig. 1 is the structural representation that the data service of WiFi and CDMA is merged;
Fig. 2 is the structural representation that the data service of WiFi and mobile network is merged;
Fig. 3 keeps the flow chart of the method for Multimedia Message service continuity for the present invention;
Fig. 4 is first kind of composition structural representation of portable terminal of the present invention;
Fig. 5 is second kind of composition structural representation of portable terminal of the present invention;
Fig. 6 is the third composition structural representation of portable terminal of the present invention.
Embodiment
Basic thought of the present invention is: when switching between the Access Network of portable terminal between WiFi and mobile network, portable terminal is preserved the relevant information of current ongoing MMS business, and switch these MMS business that continue after finishing, thereby guaranteed that portable terminal is in the continuity of carrying out the MMS business of Access Network when switching at Access Network.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
For convenience of description, the present invention is that example is described with WiFi and CDMA mode mobile terminal, and technical scheme of the present invention is equally applicable to WiFi and WCDMA, WiFi and TD-SCDMA bimodulus or multi-module mobile terminal, and the present invention gives unnecessary details no longer one by one.
Fig. 3 keeps the flow chart of the method for Multimedia Message service continuity for the present invention, and as shown in Figure 3, the method that the present invention keeps the Multimedia Message service continuity may further comprise the steps:
Step 301: start the MMS business of portable terminal, carry out MMS by CDMA or WiFi mode and send or receive.
When starting the MMS business according to portable terminal, portable terminal is according to the energy information of the wireless signal of the current Access Network that monitors, select corresponding Access Network (WiFi or CDMA) to be linked in the core net of mobile network, and by the core net realization of mobile network and being connected of MMS server, thereby realize corresponding MMS business; Need to prove that portable terminal starts MMS when professional, also can realize the selection of Access Network (WiFi or CDMA) according to the default configuration in the portable terminal, as be defaulted as CDMA and insert; Perhaps, realize the MMS business according to the current selected Access Network of user.Concrete, for mobile phone users provides the selection interface of Access Network, in WiFi and CDMA, select a Access Network as the MMS business by the user.
The MMS business of portable terminal comprises the professional and transmission MMS business of MMS that receives.
Step 302: carry out the switching between WiFi and the CDMA.
Receive the switching command of mobile phone users, perhaps, when portable terminal determined that according to the handoff algorithms of self Access Network switches, portable terminal carried out the switching of Access Network.Here, handoff algorithms mainly is to consider the current radio signal quality of two Access Networks, and when relatively poor and radio signal quality signal WiFi of the radio signal quality of current Access Network such as CDMA is preferable, portable terminal will be carried out the switching of CDMA to WiFi.Concrete, radio signal quality comprises the signal strength signal intensity of signal, the parameters such as signal to noise ratio of channel, and the threshold value of switching is set, when current radio signal quality is lower than preset threshold, think that promptly current wireless signal is not suitable for transfer of data, need carry out the switching of Access Network; When the radio signal quality of determining current Access Network is relatively poor, whether the radio signal quality that also need determine another Access Network is relatively poor equally, if it is also relatively poor, as less than another threshold value the time, the switching of Access Network will do not carried out, and when the radio signal quality of another Access Network during greater than the threshold value again set, then carry out the switching of Access Network, otherwise will not carry out the switching of Access Network.
Step 303: when the network switching took place, portable terminal judged whether to exist the MMS business of still not finishing that sends or receive, and if there is no, does not then do any processing; If exist, preserve the related data of these transmissions or reception MMS.
Concrete, if portable terminal current be just to send the MMS business, need to preserve whole piece MMS message and its recipient, the people that makes a copy for, closely make a gift to someone, information such as theme; If portable terminal is current is just to receive MMS, needs to preserve URL(uniform resource locator) (URL, the Universal ResourceLocator) information of waiting to receive MMS.The above-mentioned current MMS business that is just sending or receiving can be one or more of.
Step 304: after terminal is finished handoff procedure between WiFi and the CDMA, whether the MMS client inspection exists the relevant information of switching the MMS business of preserving before, if exist, then, resend or receive these MMS business automatically by the Access Network after switching.
The step 303 that switches in above-mentioned client is experienced for the seamless user that guarantees portable terminal MMS business to step 304, in network switching process, keeps original user interface content.For example, the user is when browsing the inbox content, and Access Network switches, and this moment, interface content kept legacy data constant so.If the Access Network handoff procedure finishes as yet, and this moment, when the user operated reception or the transmission operation relevant with network interaction, the interface then provided " network interruptions " information indicating, but displaying contents maintenance of prompting back and interruption are preceding consistent; If the user be browse multimedia message, when playing the irrelevant operation of multimedia message etc. and network side, then portable terminal provides normal local MMS business to the user.
The present invention is applicable to any WiFi and CDMA, WiFi and WCDMA, WiFi and TD-SCDMA portable terminal, comprise portable terminal, intelligent mobile terminal, personal digital assistant (PDA, Personal DigitalAssistant) and palm PC (PPC, Palmsize Personal Computer) etc.The present invention comprises multimedia message, Email etc. with the MMS business.
The present invention is not only applicable to the WiFi mode mobile terminal and how keeps the MMS business continuance when bearer network switches, and is applicable to that single mode portable terminals such as GSM, CDMA, TD-SCDMA, WCDMA are had no progeny in network signal takes place and how " the going offline " of recovering keeps the MMS business continuance in the time.
The present invention is not only applicable to how WiFi bimodulus or multi-module mobile terminal keep the MMS business when bearer network switches continuity; if Access Network is changed a little; as being applicable to that equally also worldwide interoperability for microwave inserts (WiMax, Worldwide Interoperability for Microwave Access) bimodulus or how multi-module mobile terminal keeps the MMS business continuance when bearer network switches.Certainly, be equally applicable to the portable terminal of a plurality of access networks of any support.
Fig. 4 is first kind of composition structural representation of portable terminal of the present invention, and as shown in Figure 4, the portable terminal of this example is by the core net of Access Network access mobile network, and Access Network comprises WiFi/WiMax and mobile network; Described portable terminal comprises switch unit 40, first determining unit 41, preserves unit 42, searches unit 43, contiguous unit 44 and updating block 45, wherein:
Switch unit 40 is used to carry out Access Network and switches, and triggers first determining unit 41; Access Network switches the WiFi/WiMax comprise in the aforementioned method of keeping the Multimedia Message service continuity and the switching between the mobile network etc.
First determining unit 41 when being used for determining that described portable terminal is in the MMS business, triggering and preserves unit 42;
Preserve unit 42, be used to preserve the information and the current display message of current MMS business;
Search unit 43, be used for after described portable terminal switching is finished, searching the information of preserving the MMS business of preserving unit 42;
Contiguous unit 44, the Access Network after being used for switching by described switch unit reconnects to the core net of described mobile network, and described MMS business again continues;
Updating block 45 is used for upgrading the show state of described portable terminal after described contiguous unit 44 continues described MMS business.
Above-mentioned first determining unit 41 determines that further described portable terminal is in the reception MMS business, or is in the transmission MMS business.Above-mentioned preservation unit 42 is in when sending in the MMS business at described portable terminal, preserves MMS message, and the recipient of described MMS message, the people that makes a copy for, closely make a gift to someone, subject information;
Preserve unit 42 when described portable terminal is in the reception MMS business, preserve the URL information of MMS message.
When contiguous unit 44 is in the transmission MMS business at described portable terminal, further, resend described MMS message and subject information thereof by the Access Network after the described switch unit switching and the core net of described mobile network according to the recipient of described MMS message, the people that makes a copy for, close making a gift to someone;
When contiguous unit 44 was in the reception MMS business at described portable terminal, further the URL according to described MMS message received described MMS message again.
Fig. 5 forms structural representation for second kind of portable terminal of the present invention, and as shown in Figure 5, on the basis of portable terminal shown in Figure 4, the portable terminal of this example also comprises being arranged at and in the described portable terminal unit 47 and monitoring means 46 is set; Wherein:
Unit 47 is set, is used to be provided with the Access Network switching condition; The Access Network switching condition comprises that the wireless signal strength when current Access Network is lower than a threshold value, and the wireless signal strength of another Access Network switches to described another Access Network when being higher than another threshold value; Perhaps, in the current Access Network, the current signal to noise ratio of portable terminal is lower than certain threshold value and another Access Network when being higher than another threshold value, switches to described another network.
Monitoring means 46 is used to monitor the current Access Network of described portable terminal and whether satisfies described Access Network switching condition, and triggers switch unit 40 when satisfying condition.
Fig. 6 forms structural representation for the third of portable terminal of the present invention, and as shown in Figure 6, on the basis of portable terminal shown in Figure 4, the portable terminal of this example also comprises: receiving element 48 is used to receive user's switching command; Switch unit 40 switches according to described switching command.
Those skilled in the art are to be understood that, Fig. 4, Fig. 5 and portable terminal shown in Figure 6 are for realizing that the aforesaid method of keeping the Multimedia Message service continuity designs, the function of each processing unit can be with reference to the description of preceding method and understand in Fig. 4, Fig. 5 and the portable terminal shown in Figure 6, the function of each processing unit can realize by the program that runs on the processor, also can realize by concrete logical circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.