CN101980570A - Network selecting method for double-mode terminal and double-mode terminal - Google Patents
Network selecting method for double-mode terminal and double-mode terminal Download PDFInfo
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- CN101980570A CN101980570A CN2010102331142A CN201010233114A CN101980570A CN 101980570 A CN101980570 A CN 101980570A CN 2010102331142 A CN2010102331142 A CN 2010102331142A CN 201010233114 A CN201010233114 A CN 201010233114A CN 101980570 A CN101980570 A CN 101980570A
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Abstract
The invention relates to the field of communication and discloses a network selecting method for a double-mode terminal and the double-mode terminal. In the method, when a communication service is established, the double-mode terminal preferably selects a first network system which is more suitable for performing the service. When the service is performed, another wireless network is not selected even though the other wireless network has a better signal once the signal quality of the first network, which is more suitable for the service, can maintain the service. The communication service is always performed in a more suitable network, so that the advantages of new and original systems supported by the double-mode terminal are utilized fully and user experience at the initial stage of network creation can be enhanced greatly.
Description
Technical field
The present invention relates to the communications field, particularly the dual-mode terminal technology in the communications field.
Background technology
Continuous development along with the communication technology, various types of wireless communication systems have appearred, 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 Multiple Access, be called for short " TD-SCDMA "), micro-wave access to global intercommunication (Worldwide Interoperability for Microwave Access, be called for short " WiMAX "), Long Term Evolution (Long Term Evolution is called for short " LTE "), bluetooth, China Mobile multimedia broadcasting (China Mobile Multimedia Broadcasting is called for short " CMMB ") or the like.
At present, many terminals (as mobile phone) all can be supported two kinds of wireless systems (or wireless standard), as not only supporting GSM but also support TD-SCDMA, or not only support GSM but also support WCDMA.The terminal of two kinds of wireless systems of this support is commonly referred to dual-mode terminal.Support that about portable terminal the technical scheme of multiple wireless system can be 11136547 United States Patent (USP) referring to the patent No..
For dual-mode terminal, need be supported in the mode switch under the various states.At present, dual-mode terminal under in running order generally is whether to need to switch to another network system of being supported by the measurement decision of initiating cell signal strength, as long as the signal strength signal intensity of the different system that measures is just carried out the switching between system greater than handoff threshold usually.
Yet the present inventor finds, is example with 3G network under the TD-SCDMA and the 2G network under the GSM, carries out data service at these two kinds of networks, and the magnitude of flank speed is 1mbps and 100kbps respectively, and 10 times difference is arranged.And some mobile phone often can not receive paging when carrying out data service under the 2G network, thereby the user can't receive incoming call.Under 3G network, there is not this restriction fully.And in the dual mode system process of construction, new system (as TD-SCDMA) must occur and build incomplete situation, but prior art can only rely on the signal power to select, when new system (as TD-SCDMA) signal does not satisfy decision rule, can't in new system, carry out business (because switched to old system, as GSM).But under this scene, many times new system can carry out business, fettered the performance of the superiority of new system business to a certain extent, that is to say, because dual-mode terminal can only rely on the strong and weak decision of signal which system to carry out business in, when certain business was more suitable for carrying out in new system, new system was arrived in dual-mode terminal gravity treatment in time, has influenced user experience like this.
Summary of the invention
The object of the present invention is to provide a kind of dual-mode terminal to select the method and the dual-mode terminal of network, make that communication service is to carry out all the time in the network that is more suitable for, make full use of the advantage of new and old two kinds of systems that dual-mode terminal supports, can improve user experience greatly at the networking initial stage.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of dual-mode terminal to select the method for network, comprise following steps:
Dual-mode terminal according to the type of communication service, in two kinds of system patterns that this dual-mode terminal is supported, is selected to be more suitable for the network system of communication service, and communicate business in selected network system when setting up communication service;
In communicating professional process, as long as the signal quality of the network system of selecting satisfies the condition of keeping communication service, then dual-mode terminal communicates business all the time in the network system of selecting.
Embodiments of the present invention also provide a kind of dual-mode terminal, comprise:
Select module, be used for when setting up communication service,, in two kinds of system patterns that this dual-mode terminal is supported, select to be more suitable for the network system of communication service according to the type of communication service;
Service Processing Module is used for selecting the selected network system of module to communicate business;
Quality detection module is used for detecting the signal quality of selecting the selected network system of module communicating professional process;
Judge module is used to judge whether the detected signal quality of quality detection module satisfies the condition of keeping communication service, if satisfy, then judge module indicating services processing module communicates business all the time in the network system of selecting.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
When communication service was set up, dual-mode terminal was preferentially chosen and is more suitable for carrying out in first network system that this business carries out.If the signal quality of first network system satisfies the condition (signal quality that first network system is described is in available horizontal) of keeping communication service, just in this network, carry out business, even the signal of second network system that this dual-mode terminal is supported is stronger always.Owing to carry out when middle in business,,, also do not choose another wireless network even another wireless network signal is better as long as the signal quality of priority network (being more suitable for this professional network) can be kept business.Therefore for the scheme that business is carried out in of the prior art the strong and weak decision of dependence signal in which system, can guarantee that more communication service is to carry out all the time in the network that is more suitable for, made full use of the advantage of new and old two kinds of systems that dual-mode terminal supports, can improve user experience greatly at the networking initial stage.And, only need in the software of dual-mode terminal, to increase and a kind ofly can realize that to network selection mechanism need not hardware is made amendment, the network equipment is also without any need for upgrading, and is with low cost.
Further, the condition of keeping communication service for the transmission accuracy of the packet of this communication service greater than first thresholding that presets.As the basis for estimation that whether can keep communication service, can guarantee that the signal quality of selected network system is in the judgment accuracy of available horizontal with the accuracy of data packet transmission.
Further, the condition of keeping communication service also can for the signal strength signal intensity of selected network system greater than second thresholding that presets.As the basis for estimation that whether can keep communication service, make embodiments of the present invention to realize flexibly with the signal strength signal intensity of detected network system.
Further, if the signal quality of selected network system does not satisfy the condition of keeping communication service, then dual-mode terminal switches to the another kind of network system of being supported, and communicates business in the network system after switching.To avoid when selected network system is unavailable, the situation that communication service is interrupted takes place.
Description of drawings
Fig. 1 is a method flow diagram of selecting network according to the dual-mode terminal of first embodiment of the invention;
Fig. 2 is the dual-mode terminal structural representation according to third 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 the 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, embodiments of the present invention are described in further detail below in conjunction with accompanying drawing.
First embodiment of the invention relates to the method that a kind of dual-mode terminal is selected network, and idiographic flow as shown in Figure 1.
In step 110, dual-mode terminal according to the type of communication service, in two kinds of system patterns that this dual-mode terminal is supported, selects to be more suitable for the network system of communication service when setting up communication service.Be that example is specifically described with the dual-mode terminal for the GSM/TD-SCDMA dual-mode terminal below.
When the GSM/TD-SCDMA dual-mode terminal when setting up communication service, according to the type of the communication service that will set up, select to be more suitable for the network system of communication service.Such as the communication service that will set up is business of networking, video call service or game on-line business, because these business have than higher requirement network rate, obviously is more suitable for carrying out in 3G network.Therefore, the GSM/TD-SCDMA dual-mode terminal will be selected the TD-SCDMA network system in GSM network system and TD-SCDMA network system.In addition, be appreciated that in actual applications, the communication service of being carried out can also be other business, does not exemplify one by one at this.
Then, in step 120, dual-mode terminal communicates business in selected network system (being the priority network system).At above-mentioned case, the GSM/TD-SCDMA dual-mode terminal carries out business of networking, video call service or game on-line business in selected TD-SCDMA network system.
Then, in step 130, dual-mode terminal detects the signal quality of priority network system.At above-mentioned case, the GSM/TD-SCDMA dual-mode terminal detects the signal quality of TD-SCDMA network system.In this step, the GSM/TD-SCDMA dual-mode terminal detects the signal quality of TD-SCDMA network system by detecting the data packet transmission accuracy of the communication service of being carried out.
Then, in step 140, dual-mode terminal judges whether the signal quality of priority network system satisfies the condition of keeping communication service.In the present embodiment, the condition of keeping communication service is that the transmission accuracy of packet of communication service is greater than first thresholding that presets.
At above-mentioned case, the GSM/TD-SCDMA dual-mode terminal is judged the data packet transmission accuracy of detected communication service, whether greater than first thresholding that presets, if greater than, then the condition of keeping communication service is satisfied in explanation, enters step 150; If be less than or equal to first thresholding that presets, then enter step 170.
In step 150, dual-mode terminal continues to communicate business in the priority network system.At above-mentioned case, the GSM/TD-SCDMA dual-mode terminal during greater than first thresholding that presets, continues to carry out this communication service in the data packet transmission accuracy of judging detected communication service in the TD-SCDMA network system.
Then, in step 160, dual-mode terminal judges whether communication service finishes, if this communication service finishes, and process ends then; If do not finish as yet, then get back to step 130, continue to detect the signal quality of priority network system.That is to say, in communicating professional process, dual-mode terminal can be by periodically detecting the signal quality of TD-SCDMA network system, whether the signal quality of judging the network system that the business that is more suitable for is carried out is in available horizontal, as long as the signal quality of this network system satisfies the fundamental prerequisite of keeping communication service (the transmission accuracy of packet that is the communication service in the present embodiment is greater than first thresholding that presets), even the signal of another network system is stronger, still can not choose in another network system, guarantee that communication service is to carry out all the time in the network that is more suitable for.
In step 170, dual-mode terminal does not satisfy when keeping the condition of communication service at the signal quality of priority network system, switches to the another kind of network system of being supported, and communicates business in the network system after switching.
To above-mentioned case, when the GSM/TD-SCDMA dual-mode terminal is less than or equal to first thresholding that presets in the data packet transmission accuracy of judging detected communication service, switches in the GSM network system, and in the GSM network system, carry out this communication service.So that when preferential wireless network is unavailable, can carry out business at another wireless network, avoid when selected network system is unavailable, the situation that communication service is interrupted takes place.
Be not difficult to find, in the present embodiment, owing to carry out as long as the signal quality of priority network (being more suitable for this professional network) can be kept business,, also not choosing another wireless network when middle even another wireless network signal is better in business.Therefore for the scheme that business is carried out in of the prior art the strong and weak decision of dependence signal in which system, can guarantee that more communication service is to carry out all the time in the network that is more suitable for, made full use of the advantage of new and old two kinds of systems that dual-mode terminal supports, can improve user experience greatly at the networking initial stage.And, only need in the software of dual-mode terminal, to increase and a kind ofly can realize that to network selection mechanism need not hardware is made amendment, the network equipment is also without any need for upgrading, and is with low cost.
In addition, in the present embodiment, as the basis for estimation that whether can keep communication service, can guarantee that the signal quality of selected network system is in the judgment accuracy of available horizontal with the accuracy of data packet transmission.
Need to prove, in the present embodiment, be that example describes with the GSM/TD-SCDMA dual-mode terminal, but in actual applications, dual-mode terminal also can be the dual-mode terminal of other standards, as GSM/WCDMA dual-mode terminal etc.
Second embodiment of the invention relates to the method that a kind of dual-mode terminal is selected network.Second execution mode and first execution mode are basic identical, and difference mainly is:
In the first embodiment, the condition of keeping communication service is that the transmission accuracy of packet of communication service is greater than first thresholding that presets.
Yet in second execution mode, the condition of keeping communication service for the signal strength signal intensity of the network system selected greater than second thresholding that presets.That is to say that in step 130, the GSM/TD-SCDMA dual-mode terminal detects the signal quality of TD-SCDMA network system by detecting the current signal strength signal intensity that communicates professional TD-SCDMA network system.And in step 140, whether the signal strength signal intensity of judging detected TD-SCDMA network system greater than second thresholding that presets, if greater than, judge that then the TD-SCDMA network system satisfies the condition of keeping communication service.Certainly, second thresholding in the present embodiment and first thresholding in first execution mode are two diverse threshold values, there is not any contact each other, just for convenience, these two thresholdings are called " first thresholding " and " second thresholding ", and " first " wherein itself do not had specific implication with " second ".
This shows, the condition of keeping communication service also can for the signal strength signal intensity of selected network system greater than second thresholding that presets.As the basis for estimation that whether can keep communication service, make embodiments of the present invention to realize flexibly with the signal strength signal intensity of detected network system.In addition, it will be appreciated by those skilled in the art that, except " data packet transmission accuracy " in first execution mode and " signal strength signal intensity " in the present embodiment, can also adopt other can embody the index of signal quality, as judging that whether the priority network system can keep the foundation of this communication service, does not give unnecessary details one by one at this.
Each method execution mode of the present invention all can be realized in modes such as software, hardware, firmwares.No matter the present invention be with software, hardware, or the firmware mode realize, instruction code can be stored in the memory of computer-accessible of any kind (for example permanent or revisable, volatibility or non-volatile, solid-state or non-solid-state, fixing or removable medium or the like).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 ") or the like.
Third embodiment of the invention relates to a kind of dual-mode terminal.Fig. 2 is the structural representation of this dual-mode terminal.This dual-mode terminal comprises:
Select module, be used for when setting up communication service,, in two kinds of system patterns that this dual-mode terminal is supported, select to be more suitable for the network system of communication service according to the type of communication service.Communication service in the present embodiment can comprise business of networking, video call service, game on-line business or the like.
Service Processing Module is used for selecting the selected network system of module to communicate business.
Quality detection module is used for detecting the signal quality of selecting the selected network system of module communicating professional process.
Judge module is used to judge whether the detected signal quality of quality detection module satisfies the condition of keeping communication service, if satisfy, then judge module indicating services processing module communicates business all the time in the network system of selecting.Wherein, the condition of keeping communication service is that the transmission accuracy of packet of communication service is greater than first thresholding that presets.
Need to prove that the dual-mode terminal in the present embodiment also comprises:
Handover module, be used for judging that at judge module the detected signal quality of quality detection module does not satisfy when keeping the condition of communication service, dual-mode terminal is switched to the another kind of network system that this dual-mode terminal is supported, and communicate business in the network system of indicating services processing module after switching.
Dual-mode terminal in the present embodiment can be the GSM/TD-SCDMA dual-mode terminal, also can be the dual-mode terminal of other various standards such as GSM/WCDMA.
Be not difficult to find that first execution mode is and the corresponding method execution mode of present embodiment, present embodiment can with the enforcement of working in coordination of first execution mode.The correlation technique details of mentioning in first execution mode is still effective in the present embodiment, 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 first execution mode.
Four embodiment of the invention relates to a kind of dual-mode terminal.The 4th execution mode and the 3rd execution mode are basic identical, and difference mainly is:
In the 3rd execution mode, the condition of keeping communication service is that the transmission accuracy of packet of communication service is greater than first thresholding that presets.
Yet in the 4th execution mode, the condition of keeping communication service for the signal strength signal intensity of the network system selected greater than second thresholding that presets.
Be not difficult to find that second execution mode is and the corresponding method execution mode of present embodiment, present embodiment can with the enforcement of working in coordination of second execution mode.The correlation technique details of mentioning in second execution mode is still effective in the present embodiment, 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 second execution mode.
Need to prove, each unit of mentioning in each equipment execution mode of the present invention all is a 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 realized 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.
Though 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 (12)
1. the method for a dual-mode terminal selection network is characterized in that, comprises following steps:
Dual-mode terminal according to the type of described communication service, in two kinds of system patterns that this dual-mode terminal is supported, is selected to be more suitable for the network system of described communication service, and carry out described communication service in selected network system when setting up communication service;
In the process of carrying out described communication service, as long as the signal quality of the network system of described selection satisfies the condition of keeping described communication service, then described dual-mode terminal carries out described communication service all the time in the network system of described selection.
2. dual-mode terminal according to claim 1 is selected the method for network, it is characterized in that the transmission accuracy of the packet that the described condition of keeping described communication service is described communication service is greater than first thresholding that presets.
3. dual-mode terminal according to claim 1 is selected the method for network, it is characterized in that the signal strength signal intensity of the network system that the described condition of keeping described communication service is described selection is greater than second thresholding that presets.
4. select the method for network according to each described dual-mode terminal in the claim 1 to 3, it is characterized in that, in the process of carrying out described communication service, also comprise following steps:
If the signal quality of the network system of described selection does not satisfy the condition of keeping described communication service, then described dual-mode terminal switches to the another kind of network system of being supported, and carries out described communication service in the network system after switching.
5. dual-mode terminal according to claim 4 is selected the method for network, it is characterized in that described communication service comprises following business:
Business of networking, video call service, game on-line business.
6. dual-mode terminal according to claim 4 is selected the method for network, it is characterized in that described dual-mode terminal is a global system for mobile communications GSM/ TD SDMA TD-SCDMA dual-mode terminal.
7. a dual-mode terminal is characterized in that, comprises:
Select module, be used for when setting up communication service,, in two kinds of system patterns that this dual-mode terminal is supported, select to be more suitable for the network system of described communication service according to the type of described communication service;
Service Processing Module is used for carrying out described communication service in the selected network system of described selection module;
Quality detection module is used in the process of carrying out described communication service, detects the signal quality of the selected network system of described selection module;
Judge module, be used to judge whether the detected signal quality of described quality detection module satisfies the condition of keeping described communication service, if satisfy, then described judge module indicates described Service Processing Module to carry out described communication service all the time in the network system of described selection.
8. dual-mode terminal according to claim 7 is characterized in that, the transmission accuracy of the packet that the described condition of keeping described communication service is described communication service is greater than first thresholding that presets.
9. dual-mode terminal according to claim 7 is characterized in that, the signal strength signal intensity of the network system that the described condition of keeping described communication service is described selection is greater than second thresholding that presets.
10. according to each described dual-mode terminal in the claim 7 to 9, it is characterized in that described dual-mode terminal also comprises:
Handover module, be used for judging that at described judge module the detected signal quality of described quality detection module does not satisfy when keeping the condition of described communication service, described dual-mode terminal is switched to the another kind of network system that this dual-mode terminal is supported, and indicate in the network system of described Service Processing Module after switching and carry out described communication service.
11. dual-mode terminal according to claim 10 is characterized in that, described communication service comprises following business:
Business of networking, video call service, game on-line business.
12. dual-mode terminal according to claim 10 is characterized in that, described dual-mode terminal is a global system for mobile communications GSM/ TD SDMA TD-SCDMA dual-mode terminal.
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Application publication date: 20110223 |