CN105682160B - A kind of selection method and device of communication network - Google Patents
A kind of selection method and device of communication network Download PDFInfo
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- CN105682160B CN105682160B CN201610029762.3A CN201610029762A CN105682160B CN 105682160 B CN105682160 B CN 105682160B CN 201610029762 A CN201610029762 A CN 201610029762A CN 105682160 B CN105682160 B CN 105682160B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
Abstract
The invention discloses a kind of selection method of communication network and devices, wherein this method comprises: searching for accessible communication network according to the instruction when receiving the instruction that instruction is conversed；Present communications network is determined in accessible communication network, and call is established based on present communications network；If it is detected that the signal strength of present communications network is lower than preset signals threshold value, enter calling hold mode, determines that signal strength is not less than the spare communication network of preset signals threshold value in accessible communication network；Spare communication network is determined as present communications network, and indicates to restore call.Compared with the existing technology, the present invention can reduce the number that terminal switches between different communication networks, effectively increase the speech quality of user.Meanwhile alleviating the load of communication network side.
Description
Technical field
The invention belongs to the selection methods and device of field of communication technology more particularly to a kind of communication network.
Background technique
With the continuous development of mobile communications network, the commonly used communication network of user includes Generation Mobile Telecommunication System at present
Technology (hereinafter referred to as 2G), 3rd generation mobile communication technology (hereinafter referred to as 3G) and Long Term Evolution (LTE, Long Term
Evolution) network, etc..LTE network especially therein has brought user into the high speed data transfer epoch.
However, in LTE network first stage of construction, the voice service of LTE network not yet full maturity, and due to 2G before
Or 3G network can provide more perfect voice service for user, therefore mobile operator generallys use circuit domain at present
Falling technology handles the voice service of the lower terminal of LTE network covering, i.e., LTE network cover under mobile terminal voice industry
Business, which can be switched under 2G or 3G network, to be handled.But in suc scheme, when user network is unstable, terminal meeting
It carries out searching net switching between 2G and 3G network, user's communication is caused to interrupt, influence communication effect, while network toggles
It can aggravate the load of network side.
Summary of the invention
The purpose of the present invention is to provide a kind of selection method of communication network and devices, it is intended to reduce terminal and search net switching
Number, improve the speech quality of user.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
A kind of selection method of communication network, including:
When receiving the instruction that instruction is conversed, according to the communication network that described instruction search is accessible；
Present communications network is determined in the accessible communication network, and is established and led to based on the present communications network
Words；
If it is detected that the signal strength of the present communications network is lower than preset signals threshold value, enters calling and keep shape
State determines that signal strength is not less than the spare communication network of the preset signals threshold value in the accessible communication network；
The spare communication network is determined as present communications network, and indicates to restore call.
In order to solve the above technical problems, the present invention also provides following technical schemes:
A kind of selection device of communication network, including:
Search unit, for can access according to described instruction search logical when receiving the instruction that instruction is conversed
Communication network；
Creating unit is determined, for determining present communications network in the accessible communication network, and based on described
Present communications network establishes call；
Keep determination unit, for if it is detected that the present communications network signal strength be lower than preset signals threshold value,
Then enter calling hold mode, determines that signal strength is not less than the preset signals threshold value in the accessible communication network
Spare communication network；
It determines recovery unit, for the spare communication network to be determined as present communications network, and indicates to restore call.
Compared with the existing technology, the selection method and device of communication network provided by the invention is carried out when receiving instruction
When the instruction of call, present communications network is determined in the accessible communication network searched and establishes call.Only working as
When the signal strength of preceding communication network is lower than preset signals threshold value, just enter calling hold mode, and search for and be switched to signal
Intensity is not less than the spare communication network of preset signals threshold value.Therefore, the present invention can reduce terminal in different communication networks
Between the number that switches over, effectively increase the speech quality of user.Meanwhile alleviating the load of communication network side.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And its advantages are apparent.
Fig. 1 is the flow diagram of the selection method for the communication network that first embodiment of the invention provides；
Fig. 2 is the flow diagram of the selection method for the communication network that second embodiment of the invention provides；
Fig. 3 a is the structural schematic diagram of the selection device for the communication network that third embodiment of the invention provides；
Fig. 3 b is another structural schematic diagram of the selection device for the communication network that third embodiment of the invention provides.
Specific embodiment
Schema is please referred to, wherein identical component symbol represents identical component, the principle of the present invention is to implement one
It is illustrated in computing environment appropriate.The following description be based on illustrated by the specific embodiment of the invention, should not be by
It is considered as the limitation present invention other specific embodiments not detailed herein.
It will be detailed below.
First embodiment
A kind of selection method of communication network, comprising: when receiving the instruction that instruction is conversed, searched according to the instruction
The accessible communication network of rope；Present communications network is determined in accessible communication network, and is built based on present communications network
Vertical call；If it is detected that the signal strength of present communications network is lower than preset signals threshold value, enter calling hold mode, can
Determine that signal strength is not less than the spare communication network of preset signals threshold value in the communication network of access；Spare communication network is true
It is set to present communications network, and indicates to restore call.
Referring to Fig. 1, Fig. 1 is the flow diagram of the selection method for the communication network that first embodiment of the invention provides,
Detailed process may include:
In step s101, when receiving the instruction that instruction is conversed, according to the communication that instruction search is accessible
Network.
That is, can be connect when terminal receives the instruction that user's instruction is conversed according to the instruction search terminal
The communication network for call entered.
It is understood that accessible communication network is can to provide good lead to for terminal in the embodiment of the present invention
Talk about the network of voice service.For example, current 2G or 3G network, etc..
Preferably, before step S101, can also include the following steps:
It is set into signal strength indication when calling hold mode.
That is, can also be previously set one makes terminal call enter calling hold mode before step S101
Signal strength indication, and the signal strength indication is determined as preset signals threshold value.Also the even signal strength of Current Communication Network network
Lower than the preset signals threshold value, then the call of terminal room will enter calling hold mode.
In step s 102, present communications network is determined in accessible communication network, and is based on present communications network
Establish call.
That is, picking out one of communication in all accessible communication networks for call searched
Network, and after determining it as present communications network, the call of terminal room is established on communication network in this prior.
In a kind of possible embodiment, determine that present communications network may include: in accessible communication network
The strongest communication network of signal is determined in accessible communication network；
The strongest communication network of signal is determined as present communications network.
It is understood that being to be determined as the strongest communication network of signal currently in this possible embodiment
Communication network.
Further, after the step of establishing call based on present communications network, can also include the following steps:
Whether the signal strength of real-time detection present communications network is lower than preset signals threshold value；Alternatively,
According to predetermined space, whether the signal strength for detecting present communications network is lower than preset signals threshold value.
That is, after terminal is based on the foundation call of present communications network, it can also be to the letter of present communications network
Number intensity is detected, and to judge whether the signal strength of present communications network is lower than preset signals threshold value, and is tied according to judgement
Fruit determines whether to switch communication network.
In step s 103, if it is detected that the signal strength of present communications network is lower than preset signals threshold value, enter and exhale
It is hold mode, determines that signal strength is not less than the spare communication network of preset signals threshold value in accessible communication network.
It is understood that the signal strength indication when having been set into calling hold mode, and by the signal strength
In the case that value is determined as preset signals threshold value, if it is detected that the signal strength of present communications network is lower than preset signals threshold value,
Then enter calling hold mode, can specifically include: if it is detected that the signal strength of present communications network is strong lower than the signal
Angle value then enters calling hold mode.
It should be noted that the call of terminal room is suspended in the case where calling hold mode, but the connection between both call sides is
It remains turned on, that is to say, that the call of terminal room can't be hung up.Therefore, it into calling hold mode, ensure that
The call of terminal room is not interrupted.
That is, only in the case where detecting the signal strength of present communications network lower than preset signals threshold value,
The call of terminal room can just enter calling hold mode, and re-search in accessible communication network, determine signal strength
Not less than the spare communication network of preset signals threshold value.
In addition, if it is detected that the signal strength of present communications network is not less than preset signals threshold value, terminal will not be into
Row searches net switching.For example, being not less than preset signals threshold value in the signal strength of 2G network if present communications network is 2G network
In the case where, even if the signal of terminal searching to 3G network is better than 2G network at this time, call will not be switched to 3G network.From
And reduce the number that terminal call switches between heterogeneous networks, it plays and guarantees the unbroken effect of user's communication, while also subtracting
The light load of network side.
In step S104, spare communication network is determined as present communications network, and indicates to restore call.
That is, if determining in accessible communication network, signal strength is spare not less than preset signals threshold value
The spare communication network is then determined as present communications network by communication network, and indicates to restore call.
It is understood that the spare communication network is determined as present communications network, and indicate after restoring call,
There is still a need for the signal strengths of detection present communications network whether to be lower than preset signals threshold value, as described in step S103, herein not
It repeats again.
Preferably, however, it is determined that go out in the accessible communication network, it is default not less than described that there is no signal strengths
The spare communication network of signal threshold value, then at this time possibly can not restore to converse, or even if restore call, speech quality also compared with
Difference, then the prompt information of network signal difference can be generated in terminal, to inform user.
It can be seen from the above, the selection method of communication network provided in an embodiment of the present invention, converses when receiving instruction
Instruction when, determined in the accessible communication network searched and present communications network and establish call.Only lead to currently
When the signal strength of communication network is lower than preset signals threshold value, just enter calling hold mode, and search for and be switched to signal strength
Not less than the spare communication network of preset signals threshold value.Therefore, the present invention can reduce terminal between different communication networks into
The number of row switching, effectively increases the speech quality of user.Meanwhile alleviating the load of communication network side.
Second embodiment
Described method according to first embodiment will use mobile phones as an example below and make the selection method of communication network into one
Step is described in detail.
Referring to Fig. 2, Fig. 2 is the flow diagram of the selection method for the communication network that second embodiment of the invention provides,
Detailed process may include:
In step s 201, signal strength indication when setting mobile phone enters calling hold mode, mobile phone is by the signal strength
Value is determined as preset signals threshold value.
That is, the signal strength indication for making mobile phone enter calling hold mode can be previously set, and by the letter
Number intensity value is determined as preset signals threshold value.Namely during mobile phone communication, if the signal strength of present communications network is lower than
Preset signals threshold value, then the call between mobile phone will enter calling hold mode.
It should be noted that the call between mobile phone is suspended in the case where calling hold mode, but the connection between both call sides is
It remains turned on, that is to say, that the call between mobile phone can't be hung up.Therefore, it into calling hold mode, ensure that
Call between mobile phone is not interrupted.
In step S202, when mobile phone receives the instruction that instruction is conversed, mobile phone can connect according to instruction search
The communication network entered.
That is, can be connect when mobile phone receives the instruction that user's instruction is conversed according to the instruction searching handset
The communication network for call entered.
It is understood that accessible communication network is can to provide good call language for mobile phone in the embodiment
The network of sound service.For example, current 2G or 3G network, etc..
In step S203, mobile phone determines present communications network in accessible communication network, and is based on present communications
Network establishes call.
That is, mobile phone searching to all accessible communication networks for call in pick out one of them
Communication network, and after determining it as present communications network, the call between mobile phone is established on communication network in this prior.
It is described that present communications network is determined in accessible communication network in a kind of possible embodiment, it can be with
Include:
The strongest communication network of signal is determined in accessible communication network；
The strongest communication network of signal is determined as present communications network.
It is understood that being to be determined as the strongest communication network of signal currently in this possible embodiment
Communication network.For example, if the signal of 2G network is most strong, then just being determined as working as by 2G network in accessible communication network
Preceding communication network, and establish on 2G network the call, etc. between mobile phone.
In alternatively possible embodiment, other methods can also be taken to determine present communications network.For example,
In the case where the signal strength of 3G network is close to 2G network, present communications network can preferentially be determined by way of setting
For 3G network, this is because the speech quality of 3G network is more preferable, and sound spectrum is wider, etc..
It is understood that in order to guarantee speech quality, it can be after establishing the call between mobile phone, closing hand phone continues
The function of the accessible communication network of search.Namely call is locked in present communications network by mobile phone, without continuing searching it
Its signal becomes stronger communication network.
In step S204, whether the signal strength of mobile phone detection present communications network is lower than preset signals threshold value.
That is, needing to detect the signal strength of present communications network, after establishing call to judge present communications
Whether the signal strength of network decays to lower than preset signals threshold value.
For example, step S204 can be with specifically: detects the signal of current 2G network if present communications network is 2G network
Whether intensity is lower than preset signals threshold value.
In possible embodiment, whether the signal strength of the mobile phone detection present communications network is lower than preset signals
Whether threshold value, the signal strength that can be mobile phone real-time detection present communications network are lower than preset signals threshold value, are also possible to hand
For machine according to predetermined space, whether the signal strength for detecting present communications network is lower than preset signals threshold value.
It is understood that the predetermined space can be preset by user or mobile phone manufacturer, such as can will be pre-
Fixed interval is set as 3 seconds, 5 seconds, etc., is not specifically limited herein.
In step S205, mobile phone enters calling hold mode, determines signal strength not in accessible communication network
Lower than the spare communication network of preset signals threshold value.
That is, only in the signal intensity attenuation for detecting present communications network to the feelings for being lower than preset signals threshold value
Under condition, mobile phone can just enter calling hold mode, to prevent dropped calls, and determine signal in accessible communication network
Intensity is not less than the spare communication network of preset signals threshold value.
For example, in communication process, if it is detected that the signal strength of current 2G network is lower than preset signals threshold value, mobile phone
Into calling hold mode, to prevent dropped calls, and determine signal strength not less than pre- in accessible communication network
If the spare communication network of signal threshold value, such as 3G network.
If it is detected that the signal strength of present communications network is not less than preset signals threshold value, on present communications network
Continue the call between mobile phone.
For example, if it is detected that the signal strength of current 2G network be not less than preset signals threshold value, on 2G network after
Call between continuous mobile phone.
In step S206, spare communication network is determined as present communications network by mobile phone, and indicates to restore call.
That is, standby not less than preset signals threshold value if defining signal strength in accessible communication network
With communication network, then in step S206, spare communication network is determined as present communications network by mobile phone, and indicates to restore logical
Words.
For example, if determining in accessible communication network, the signal strength of 3G network is not less than preset signals threshold value,
3G network can be then determined as to present communications network, and call is carried out by original 2G network switching to 3G network.
It is understood that spare communication network is determined as present communications network, and indicate after restoring call, still
Whether the signal strength for so needing to detect present communications network is lower than preset signals threshold value, as described in step S204, herein no longer
It repeats.For example, after it will converse by original 2G network switching to 3G network progress, the signal strength for still needing to detection 3G network is
It is no to be lower than preset signals threshold value.
Further, however, it is determined that go out in the accessible communication network, there is no signal strengths not less than described pre-
If the spare communication network of signal threshold value, then generate the prompt information of network signal difference.
For example, the signal of 2G and 3G network is below preset signals threshold value at this time, illustrate the signal of 2G at this time and 3G network
It is all very poor, then the prompt information of network signal difference can be generated, and ask the user whether to continue to call hold mode.User at this time
It can choose and continue to call hold mode, it can also be with kill-call, etc..
It can be seen from the above, the selection method of communication network provided in an embodiment of the present invention, carries out when mobile phone receives instruction
When the instruction of call, present communications network is determined in the accessible communication network searched and establishes call.Only working as
When the signal strength of preceding communication network is lower than preset signals threshold value, mobile phone just enters calling hold mode, and searches for and be switched to
Signal strength is not less than the spare communication network of preset signals threshold value.Therefore, the present invention can reduce terminal in different communication
The number switched between network effectively increases the speech quality of user.Meanwhile alleviating the load of communication network side.
3rd embodiment
For convenient for better implementing the selection method of communication network provided in an embodiment of the present invention, the embodiment of the present invention is also mentioned
For a kind of device of selection method based on above-mentioned communication network.The wherein selection method of the meaning of noun and above-mentioned communication network
In it is identical, specific implementation details can be with reference to the explanation in embodiment of the method.
Fig. 3 a is please referred to, Fig. 3 a is the structural representation of the selection device for the communication network that third embodiment of the invention provides
Figure, the apparatus may include: search unit 301 determines creating unit 302, keeps determination unit 303 and determines recovery unit
304。
Wherein, search unit 301, for when receiving the instruction that instruction is conversed, being searched for according to described instruction can
The communication network of access.
That is, described search unit 301 is according to described instruction when receiving the instruction that terminal instruction is conversed
The accessible communication network of search.
It is understood that the accessible communication network can provide good call voice service for terminal
Network.For example, current 2G or 3G network, etc..
It determines creating unit 302, for determining present communications network in the accessible communication network, and is based on institute
It states present communications network and establishes call.
That is, the determining creating unit 302 all accessible is used for what described search unit 301 searched
One of communication network is picked out in the communication network of call, and after determining it as present communications network, described
The call of terminal room is established on present communications network.
In a kind of possible embodiment, the determining creating unit 302 is true in the accessible communication network
Determine the strongest communication network of signal, and the strongest communication network of the signal is determined as present communications network.That is, this
It is that the strongest communication network of signal is determined as present communications network in possible embodiment.For example, the determining creation is single
Member 302 will be determined as present communications network by the strongest 2G network of signal at this time, and the call of terminal room is established on 2G network.
Determination unit 303 is kept, for if it is detected that the signal strength of the present communications network is lower than preset signals threshold
Value, then enter calling hold mode, determines that signal strength is not less than the preset signals in the accessible communication network
The spare communication network of threshold value；
It should be noted that the call of terminal room is suspended in the case where calling hold mode, but the connection between both call sides is
It remains turned on, that is to say, that the call of terminal room can't be hung up.Therefore, it into calling hold mode, ensure that
The call of terminal room is not interrupted.
That is, if it is detected that the signal intensity attenuation of present communications network is kept to preset signals threshold value is lower than
Call between the meeting controlling terminal of determination unit 303 enters calling hold mode, and searches for, determines in accessible communication network
Signal strength is not less than the spare communication network of the preset signals threshold value.For example, in communication process, if it is detected that current 2G
The signal strength of network is lower than preset signals threshold value, then keeps determination unit 303 to control mobile phone and enter calling hold mode, to prevent
Only dropped calls, and determine that signal strength is not less than the alternate communication net of preset signals threshold value in accessible communication network
Network, such as 3G network.
If it is detected that the signal strength of present communications network is not less than preset signals threshold value, terminal not will do it and search net
Switching.For example, if present communications network is 2G network, the case where the signal strength of 2G network is not less than preset signals threshold value
Under, even if the signal of terminal searching to 3G network is better than 2G network at this time, call will not be switched to 3G network.
That is, only in the case where detecting the signal strength of present communications network lower than preset signals threshold value,
The call of terminal room can just enter calling hold mode, and re-search in accessible communication network, determine signal strength
Not less than the spare communication network of preset signals threshold value, to reduce the number that terminal call switches between heterogeneous networks, rise
To the guarantee unbroken effect of user's communication, while also mitigating the load of network side.
It determines recovery unit 304, for the spare communication network to be determined as present communications network, and indicates to restore logical
Words.
That is, if determining in accessible communication network, signal strength is spare not less than preset signals threshold value
The spare communication network is then determined as present communications network by communication network, and indicates to restore call.For example, if can access
Communication network in determine that 3G network not less than preset signals threshold value, then can be determined as currently by the signal strength of 3G network
Communication network, and call is carried out by original 2G network switching to 3G network.
It is understood that the spare communication network is determined as present communications network, and indicate after restoring call,
There is still a need for the signal strengths of detection present communications network whether to be lower than preset signals threshold value, as previously mentioned, details are not described herein again.
For example, whether the signal strength for still needing to detection 3G network is low after it will converse by original 2G network switching to 3G network progress
In preset signals threshold value.
Also referring to Fig. 3 b, Fig. 3 b is another knot of the selection device for the communication network that third embodiment of the invention provides
Structure schematic diagram, the device can also include: setup unit 305, detection unit 306 and prompt unit 307.
Wherein setup unit 305, the signal strength indication for being set into when calling hold mode.
That is, the signal for making terminal call enter calling hold mode can be previously set in setup unit 305
The signal strength indication is determined as preset signals threshold value by intensity value.Also the even signal strength of Current Communication Network network is lower than default
Signal threshold value, then the call of terminal room will enter calling hold mode.
Based on this, if it is detected that the signal strength of the present communications network is lower than preset signals threshold value, enter calling
Hold mode, specifically: if it is detected that the signal strength of the present communications network is lower than signal strength indication, enters calling and protect
Hold state.
Whether detection unit 306, the signal strength for detecting present communications network are lower than preset signals threshold value.
In possible embodiment, detection unit 306 can be with the signal strength of present communications network described in real-time detection
Whether preset signals threshold value is lower than；Whether the signal strength that according to predetermined space, can also detect the present communications network is low
In preset signals threshold value.
That is, after terminal is based on the foundation call of present communications network, it can also be to the letter of present communications network
Number intensity is detected, and to judge whether the signal strength of present communications network is lower than preset signals threshold value, and is tied according to judgement
Fruit determines whether to switch communication network.
If detection unit 306 detects that the signal strength of present communications network lower than preset signals threshold value, keeps determining
The call of 303 controlling terminal of unit enters calling hold mode, and determines signal strength not in the accessible communication network
Lower than the spare communication network of the preset signals threshold value.
If detection unit 306 detects the signal strength of present communications network not less than preset signals threshold value, terminal room
Call will continue to be maintained at present communications network, without will do it search net switching.For example, if present communications network is 2G net
Network, then in the case where the signal strength of 2G network is not less than preset signals threshold value, even if terminal searching is to 3G network at this time
Signal is better than 2G network, call will not be switched to 3G network.To reduce what terminal call switched between heterogeneous networks
Number plays and guarantees the unbroken effect of user's communication, while also mitigating the load of network side.
Prompt unit 307, for if it is determined that there is no signal strengths to be not less than in the accessible communication network
The spare communication network of the preset signals threshold value, then generate the prompt information of network signal difference.
That is, if it is determined that there is no signal strengths not less than described pre- in the accessible communication network
It if the spare communication network of signal threshold value, then possibly can not restore to converse at this time, or even if restore call, speech quality
It is poor, then the prompt information of network signal difference can be generated in terminal, to inform user.
For example, the signal of 2G and 3G network is below preset signals threshold value at this time, illustrate the signal of 2G at this time and 3G network
It is all very poor, then the prompt information of network signal difference can be generated, and ask the user whether to continue to call hold mode.User at this time
It can choose and continue to call hold mode, it can also be with kill-call, etc..
It can be seen from the above, the selection device of communication network provided in this embodiment, when the finger for receiving instruction and conversing
When enabling, present communications network is determined in the accessible communication network searched and establishes call.Only in Current Communication Network
When the signal strength of network is lower than preset signals threshold value, just enter calling hold mode, and searches for and to be switched to signal strength not low
In the spare communication network of preset signals threshold value.Therefore, the present invention can reduce terminal and cut between different communication networks
The number changed effectively increases the speech quality of user.Meanwhile alleviating the load of communication network side.
For the selection device of the communication network of the embodiment of the present invention, each functional module be can integrate at one
It handles in chip, is also possible to modules and physically exists alone, be also possible to two or more modules and be integrated in one
In module.Above-mentioned integrated module both can take the form of hardware realization, can also be realized using software function module.It is described
If integrated module is realized and when sold or used as an independent product in the form of software function module, also can store
In a computer readable storage medium, the storage medium is for example read-only memory, disk or CD etc..
The selection method and device for being provided for the embodiments of the invention a kind of communication network above are described in detail,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention；Meanwhile for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
Claims (9)
1. a kind of selection method of communication network, which is characterized in that the described method includes:
Setting terminal enters signal strength indication when calling hold mode；
When receiving the instruction that instruction is conversed, according to the communication network that described instruction search is accessible；
Present communications network is determined in the accessible communication network, and call is established based on the present communications network；
If it is detected that the signal strength of the present communications network is lower than the signal strength indication, enter calling hold mode,
So that the call of terminal room is suspended, but the connection of terminal room remains turned under the calling hold mode；
Under the calling hold mode, determine that signal strength is strong not less than the signal in the accessible communication network
The spare communication network of angle value；
The spare communication network is determined as present communications network, and indicates to restore call, triggering executes detection present communications
The step of whether signal strength of network is lower than the signal strength indication.
2. the selection method of communication network according to claim 1, which is characterized in that described in the accessible communication
Present communications network is determined in network, comprising:
The strongest communication network of signal is determined in the accessible communication network；
The strongest communication network of the signal is determined as present communications network.
3. the selection method of communication network according to claim 2, which is characterized in that be based on the present communications described
Network was established after the step of call, further includes:
Whether the signal strength of present communications network described in real-time detection is lower than preset signals threshold value；Alternatively,
According to predetermined space, whether the signal strength for detecting the present communications network is lower than preset signals threshold value.
4. the selection method of communication network according to claim 3, which is characterized in that enter calling hold mode described
The step of after, further includes:
If it is determined that it is standby not less than the preset signals threshold value that there is no signal strengths in the accessible communication network
With communication network, then the prompt information of network signal difference is generated.
5. a kind of selection device of communication network, which is characterized in that described device includes:
Setup unit enters signal strength indication when calling hold mode for setting terminal；
Search unit, the communication network for being can access according to described instruction search when receiving the instruction that instruction is conversed
Network；
Creating unit is determined, for determining present communications network in the accessible communication network, and based on described current
Communication network establishes call；
Keep determination unit, for if it is detected that the present communications network signal strength be lower than the signal strength indication,
Into calling hold mode, so that the call of terminal room is suspended, but the connection of terminal room under the calling hold mode
It remains turned on；Under the calling hold mode, determine that signal strength is not less than in the accessible communication network
The spare communication network of the signal strength indication；
It determines recovery unit, for the spare communication network to be determined as present communications network, and indicates to restore call, triggering
The step of whether signal strength of execution detection present communications network is lower than the signal strength indication.
6. the selection device of communication network according to claim 5, which is characterized in that the determining creating unit is used for:
The strongest communication network of signal is determined in the accessible communication network, and the strongest communication network of the signal is determined as
Present communications network.
7. the selection device of communication network according to claim 6, which is characterized in that described device further include:
Whether detection unit, the signal strength for present communications network described in real-time detection are lower than preset signals threshold value, alternatively,
According to predetermined space, whether the signal strength for detecting the present communications network is lower than preset signals threshold value.
8. the selection device of communication network according to claim 7, which is characterized in that described device further include:
Prompt unit, for if it is determined that there is no signal strengths not less than described pre- in the accessible communication network
If the spare communication network of signal threshold value, then generate the prompt information of network signal difference.
9. a kind of computer readable storage medium, is stored with computer program, wherein the computer program makes computer
Execute such as the described in any item methods of Claims 1-4.
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| CN102769881A (en) * | 2011-05-06 | 2012-11-07 | 华为终端有限公司 | Mobile terminal, network switching method of mobile terminal and network server |
| CN102883392A (en) * | 2012-08-30 | 2013-01-16 | 东莞宇龙通信科技有限公司 | Multi-mode and multi-standby mobile terminal, domain server and voice call switching method |
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| CN102769881A (en) * | 2011-05-06 | 2012-11-07 | 华为终端有限公司 | Mobile terminal, network switching method of mobile terminal and network server |
| CN102883392A (en) * | 2012-08-30 | 2013-01-16 | 东莞宇龙通信科技有限公司 | Multi-mode and multi-standby mobile terminal, domain server and voice call switching method |
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