CN109089297A - A kind of network search method and terminal - Google Patents
A kind of network search method and terminal Download PDFInfo
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- CN109089297A CN109089297A CN201811280945.8A CN201811280945A CN109089297A CN 109089297 A CN109089297 A CN 109089297A CN 201811280945 A CN201811280945 A CN 201811280945A CN 109089297 A CN109089297 A CN 109089297A
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- network
- terminal
- community
- search
- preset condition
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The present invention provides a kind of network search method and terminal, and wherein method includes: the rejection signaling for receiving the network side equipment of first network and sending；In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, roaming banned list is added in tracking area belonging to Target cell；It triggers the terminal and re-searches for cell；Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.The embodiment of the present invention will send tracking area belonging to the Target cell of Reason For Denial value 12 to terminal and roaming banned list be added, so that terminal judges Target cell for improper cell, to which triggering terminal re-searches for network, it avoids terminal from residing in Target cell for a long time, terminal is made to be in off-grid state.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of network search method and terminals.
Background technique
There are the scene of network registry exception, examples in LTE (Long Term Evolution, long term evolution) network at present
When carrying out registration request, service request in a network such as terminal or be in connected state state, network side equipment is returned to terminal
The rejection signaling that Reason For Denial value is 12 is carried, it is non-permitted tracking area that the instruction of Reason For Denial value 12 Reason For Denial, which is cell,
(Tracking area not allowed)。
According to 3GPP (3rd Generation Partnership Project, third generation partner program) 23.122
Specification chapters and sections 3.2 are explained, for that only can may obtain the terminal of normal service in specific region, when terminal trial is not being awarded
The cell of service is weighed, Reason For Denial value 12 can be used to refuse terminal access for network.Correspondingly, terminal services the with no authorized
Localized services exclusion area list (list of forbidden tracking areas for is added in tracking area belonging to cell
regional provision of service)。
It is explained according to 3GPP 36.304, the cell in the list of localized services exclusion area, access layer still thinks that it is to close
Suitable cell.According to 24.301 specification chapters and sections 5.5.1.3.5 of 3GPP, terminal need to be arranged EU3 roaming and disapprove (EU3ROAMING
NOT ALLOWED) state, into unregistered-limited service (EMM-DEREGISTERED.LIMITED-SERVICE) state, eventually
End still resides in the cell for being in the list of localized services exclusion area, and network is only terminal and provides limited service, such as tightly
Urgent telegram call business.
Terminal is after receiving the rejection signaling for carrying Reason For Denial value and being 12 of network side equipment transmission, according to above-mentioned association
Discuss regulation enforcement, access layer will not voluntarily triggering cell select, Non-Access Stratum will not retriggered search net, if this is not awarded
The cell signal of power service is unsatisfactory for cell reselection criterion, then terminal can reside in the cell for a long time, so that terminal is in de-
Net state.
Summary of the invention
The embodiment of the present invention provides a kind of network search method and terminal, is receiving net to solve terminal in the prior art
After the rejection signaling for carrying Reason For Denial value and being 12 that network side apparatus is sent, terminal can reside in no authorized service for a long time
Cell, the problem of causing terminal to be in off-grid state.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, being applied to terminal the embodiment of the invention provides a kind of network search method, which comprises
Receive the rejection signaling that the network side equipment of first network is sent；
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, by belonging to Target cell with
Roaming banned list is added in track area；
It triggers the terminal and re-searches for cell；
Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.
Second aspect, the embodiment of the invention provides a kind of terminal, the terminal includes:
Receiving module, the rejection signaling that the network side equipment for receiving first network is sent；
Control module, for the Reason For Denial value in the rejection signaling be Reason For Denial value 12 in the case where, by mesh
It marks tracking area belonging to cell and roaming banned list is added；
Trigger module re-searches for cell for triggering the terminal；
Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.
The third aspect, the embodiment of the invention provides another terminal, including processor, memory is stored in described deposit
On reservoir and the computer program that can run on the processor, the computer program are realized when being executed by the processor
The step of above-mentioned network search method.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage
Computer program is stored on medium, the computer program realizes the step of above-mentioned network search method when being executed by processor
Suddenly.
In the embodiment of the present invention, the refusal that the network side equipment that the network search method receives first network is sent is believed
It enables；In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, by tracking area belonging to Target cell
Roaming banned list is added；It triggers the terminal and re-searches for cell；Wherein, the Target cell is terminal request access
Cell or the cell that is currently accessed.In this way, tracking area belonging to the Target cell of Reason For Denial value 12 will be sent to terminal
Roaming banned list is added, so that terminal judges that Target cell is kept away for improper cell so that triggering terminal re-searches for network
Exempt from terminal and reside in Target cell for a long time, terminal is made to be in off-grid state.
Detailed description of the invention
Fig. 1 is one of the flow chart of network search method provided in an embodiment of the present invention；
Fig. 2 is the two of the flow chart of network search method provided in an embodiment of the present invention；
Fig. 3 is one of the structure chart of terminal provided in an embodiment of the present invention；
Fig. 4 is the two of the structure chart of terminal provided in an embodiment of the present invention；
Fig. 5 is the three of the structure chart of terminal provided in an embodiment of the present invention；
Fig. 6 is the four of the structure chart of terminal provided in an embodiment of the present invention；
Fig. 7 is the five of the structure chart of terminal provided in an embodiment of the present invention；
Fig. 8 is the six of the structure chart of terminal provided in an embodiment of the present invention；
Fig. 9 is the hardware structural diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's acquired every other implementation without creative efforts
Example, shall fall within the protection scope of the present invention.
PLMN as mentioned in the embodiments of the present invention is " Public Land Mobile Network, public land mobile network
Network ".
It is one of the flow chart of network search method provided in an embodiment of the present invention, the web search referring to Fig. 1, Fig. 1
Method is applied to terminal, as shown in Figure 1, comprising the following steps:
The rejection signaling that step 101, the network side equipment for receiving first network are sent.
The network side equipment of the first network can set for the corresponding network side of Target cell in the first network
Standby (such as base station), the Target cell can be the cell of terminal request access, or the terminal currently connects
The cell entered.The corresponding cell in one base station is the range of base station covering.
The rejection signaling can refuse (Attach reject) signaling for attach request, or tracking zone position
Update refusal (Tracking area update reject) signaling, or service request refuses (Service
Reject) signaling can also request (Detach request) for attachment removal.
When the rejection signaling is attach request rejection signaling, the Target cell is the small of terminal request access
Area.Before the attach request rejection signaling that the network side equipment that the terminal receives the first network is sent, also to described the
The network side equipment of one network initiates attach request (Attach request).Specifically, take office when the terminal does not access
When what cell, if the terminal needs to request access Target cell, the terminal can be initiated to adhere to the Target cell
Request sends attach request rejection signaling to the terminal if the Target cell refuses the attach request of the terminal.It needs
Illustrate, the terminal that the embodiment of the present invention is mentioned, which initiates request to Target cell, can be understood as the terminal to the target
The corresponding network side equipment of cell (such as base station) initiates request, and terminal receives the signaling that Target cell is sent and can be understood as connecing
Receive the signaling that the corresponding network side equipment of the Target cell is sent.
When the rejection signaling is tracking area location updating rejection signaling, the Target cell is that the terminal currently connects
The cell entered.The terminal receive the first network network side equipment send tracking area location updating rejection signaling it
Before, also tracking area position updating request (Tracking area update is sent to the network side equipment of the first network
request)。
When the rejection signaling is service request rejection signaling, the Target cell is currently accessed small for the terminal
Area.Before the service request rejection signaling that the network side equipment that the terminal receives the first network is sent, also to described the
The network side equipment of one network sends service request (Service request).
When the rejection signaling is that network side attachment removal is requested, the Target cell is currently accessed small for the terminal
Area.It is understood that when the terminal is when the Target cell successful registration is in connected state, it may be due to some
Reason needs are disconnected with the terminal, and the corresponding network side equipment of the Target cell sends network to the terminal at this time
Side attachment removal request.
In the case that step 102, the Reason For Denial value in the rejection signaling are Reason For Denial value 12, by Target cell
Roaming banned list is added in affiliated tracking area, wherein the Target cell is the cell of terminal request access or works as
The cell of preceding access.
In the step, in the case that the Reason For Denial value in the rejection signaling is Reason For Denial value 12, the terminal
Roaming banned list (list of forbidden tracking area is added in tracking area belonging to the Target cell
For roaming), in this way, it is the suitable cell of the terminal that the terminal, which judges the Target cell not, thus triggering terminal
Re-search for network.
It is understood that in some embodiment of the invention, in terminal restarting, or opening or closing
When offline mode, or insert or pull out SIM (Subscriber Identification Module, user identity identification) card
When, the terminal can delete the roaming banned list.The terminal may be that the roaming banned list setting comes into force
Duration, for example, duration is more than the first preset duration or a roaming banned list is more than if a roaming banned list is established
Second preset duration does not update, and the terminal can delete the roaming banned list.The terminal may be that roaming is forbidden
The duration that comes into force is arranged in tracking area in list, for example, if the time that a tracking area is added to roaming banned list is more than third
Preset duration, the terminal can remove the tracking area from the roaming banned list.It should be noted that described first
Preset duration, the second preset duration and the third preset duration can be identical duration, or different durations, this
Inventive embodiments are not specifically limited in this embodiment.
Step 103, the triggering terminal re-search for cell.
In the step, after roaming banned list is added in tracking area belonging to the Target cell, the terminal weight is triggered
New search cell, so that terminal judges Target cell for improper cell, so that search is in addition in the roaming banned list
Suitable cell except the corresponding cell of tracking area.
In the embodiment of the present invention, above-mentioned terminal can be mobile terminal, such as: mobile phone, tablet computer (Tablet
Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital
Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable device
(Wearable Device), digital camera etc.；It is also possible to fixed terminal, such as computer etc..
In the present embodiment, the network search method receives the rejection signaling that the network side equipment of first network is sent；?
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, tracking area belonging to Target cell is added unrestrained
Swim banned list；It triggers the terminal and re-searches for cell；Wherein, the Target cell is the cell of terminal request access
Or the cell being currently accessed.It is overflow in this way, tracking area belonging to the Target cell of Reason For Denial value 12 will be sent to terminal and be added
Banned list is swum, so that terminal judges that Target cell avoids terminal so that triggering terminal re-searches for network for improper cell
Target cell is resided in for a long time, terminal is made to be in off-grid state.
Referring to fig. 2, Fig. 2 is the two of the flow chart of network search method provided in an embodiment of the present invention, the method application
In terminal, as shown in Figure 2, comprising the following steps:
The rejection signaling that step 201, the network side equipment for receiving first network are sent.
In the case that step 202, the Reason For Denial value in the rejection signaling are Reason For Denial value 12, by Target cell
Roaming banned list is added in affiliated tracking area, wherein the Target cell is the cell of terminal request access or works as
The cell of preceding access.
The step 201 and step 202 in present invention embodiment shown in FIG. 1 step 101 and step 102 it is identical,
Details are not described herein again.
Step 203, search meet the first community of preset condition, and the preset condition includes at least signal strength and is greater than in advance
If signal strength and affiliated tracking area is not in the roaming banned list.
In the step, the terminal searching meets the first community of preset condition, and the preset condition includes at least signal
Intensity is greater than preset signal strength and affiliated tracking area is not in the roaming banned list.In some embodiments of the invention
In, the preset condition can further include not USIM (Universal Subscriber Identity Module,
Global Subscriber identification card) prohibited network list (forbidden PLMN list) and/or signal quality be greater than preset signals matter
Amount.
The terminal can the network according to belonging to the Target cell whether be the terminal belonging area network, determine
Search meets the first community of the preset condition in which network.The belonging area network of the terminal is the terminal
Carrier network belonging to SIM card.
Specifically, the terminal may determine that network belonging to the Target cell whether be the terminal ownership earth mat
Network (home PLMN), in the case that the network belonging to the Target cell is the belonging area network of the terminal, the terminal
Search meets the first community of the preset condition in the first network or the second network；On the contrary, in the target
In the different situation of belonging area network of network belonging to cell and the terminal, the terminal is searched in second network
Rope meets the first community of the preset condition.The first network and second network are different types of network, specifically
Ground, the first network can be the generation network newer than second network, in embodiments of the present invention, the first network
For 4G network (forth generation mobile communications network), second network is 2G network (Generation Mobile Telecommunication System network) or 3G net
Network (3 G mobile communication network).In other embodiments of the present invention, the first network may be that following movement is logical
Communication network (such as 5G network etc.), the embodiment of the present invention is not specifically limited in this embodiment.
The terminal judges whether network belonging to the Target cell is that the mode of belonging area network of the terminal can
To include: the country code of the Network ID (PLMN identity) carried in the system information for judge the Target cell
The country code whether (Mobile Country Code, MCC) carries with the SIM card of the terminal matches, and described in judgement
Whether the network number (Mobile Network Code, MNC) of the Network ID carried in the system information of Target cell
The network number carried with the SIM card of the terminal matches.
The SIM card of the country code of the Network ID carried in the system information of the Target cell and the terminal
In the matched situation of the country code of carrying, and the movement number of the Network ID carried in the system information of the Target cell
Code is matched with the network number that the SIM card of the terminal carries, and the terminal determines network belonging to the Target cell for institute
State the belonging area network of terminal.On the contrary, the national generation of the Network ID carried in the system information of the Target cell
In the unmatched situation of country code that the SIM card of code and the terminal carries, or in the system information of the Target cell
It is described in the unmatched situation of network number that the SIM card of the mobile number of the Network ID of carrying and the terminal carries
Terminal determines that network belonging to the Target cell is not identical as the belonging area network of the terminal.
Step 204, in the case where searching the first community, to the first community initiate attach request.
In the step, after the terminal searching is to the first community for meeting the preset condition, the terminal is to described
First community initiates attach request.In this way, the terminal may search for the first community for meeting preset condition and initiate to adhere to ask
It asks, the Target cell for sending Reason For Denial value 12 to the terminal will not be resided in for a long time, be in avoid result in terminal
Off-grid state.
It should be noted that the first community may receive the attach request of the terminal, in this way, the terminal is just
The first community can be successfully attached to.The first community may not also receive the attach request of the terminal, described
In the case that first community does not receive the attach request of the terminal, the corresponding network side equipment of the first community is to the end
End sends rejection signaling, if the first community is the cell in the first network, process enters step 201, this kind of situation
Under, the first community is Target cell.
In the present embodiment, the network search method receives the rejection signaling that the network side equipment of first network is sent；?
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, tracking area belonging to Target cell is added unrestrained
Swim banned list, wherein the Target cell is the cell that the terminal request accesses or the cell being currently accessed；Search is full
The first community of sufficient preset condition, the preset condition include at least signal strength and are greater than preset signal strength and affiliated tracking
Area is not in the roaming banned list；In the case where searching the first community, initiate to adhere to the first community
Request.In this way, the method triggering terminal can re-search for net after receiving the rejection signaling for carrying Reason For Denial value 12
Network avoids terminal from residing in Target cell for a long time, terminal is made to be in off-grid state.
Optionally, described search meets the first community of preset condition, comprising:
In the case that the network belonging to the Target cell is the belonging area network of the terminal, in the first network
Or second in network, search meets the first community of the preset condition；
In the case that the network belonging to the Target cell is different from the belonging area network of the terminal, described second
In network, search meets the first community of the preset condition；
Wherein, the belonging area network of the terminal is operator's net belonging to the user identity identification SIM card of the terminal
Network, the first network and second network are different types of network.
In the embodiment, in the case that the network belonging to the Target cell is the belonging area network of the terminal, institute
Terminal is stated in the first network or the second network, search meets the first community of the preset condition；On the contrary, institute
State network belonging to Target cell it is different from the belonging area network of the terminal in the case where, the terminal is in second network
Interior, search meets the first community of the preset condition.
For example, when the first network is 4G network, and second network is 2G network or 3G network, in institute
In the case where stating the belonging area network that network belonging to Target cell is the terminal, the terminal can be preferentially in 4G network
Search meets the first community of the preset condition, and the first community for meeting the preset condition is not searched in 4G network
In the case where, the terminal further searches for the first community for meeting the preset condition in 2G or 3G network.In the mesh
In the case that network belonging to mark cell is different from the belonging area network of the terminal, illustrate that the terminal may not support 4G net
The signal of network access or 4G network insertion is weaker, and the terminal is searched for directly in 2G or 3G network meets the default item
When the belonging area network difference of the first community of part, the i.e. network belonging to the Target cell and the terminal, described in closing
The 4G network access facility of terminal.
In such manner, it is possible to support to be preferably the cell in terminal searching first network when first network access in the terminal,
Optimal network service can be provided for the terminal, and can may not support that first network accesses or the in the terminal
It is the cell in second network of terminal searching when the signal of one network insertion is weaker, it can be to avoid the terminal frequent requests
Cell in access first network is refused, and leads to fall net or the problem slow in net spee.Additionally it is possible to improve search effect
Rate.
Optionally, in the case that the network belonging to the Target cell is the belonging area network of the terminal,
In the first network or the second network, search meets the first community of the preset condition, comprising:
In the case that the network belonging to the Target cell is the belonging area network of the terminal, judge that the terminal is
It is no in the first network successful registration mistake；
In the terminal in the case where the first network successful registration is crossed, in the first network, search meets
The first community of the preset condition.
In the embodiment, in the case that the network belonging to the Target cell is the belonging area network of the terminal, institute
It states terminal and further judges the terminal whether in the first network successful registration mistake, in the terminal in the first network
In the case that successful registration is crossed, illustrate that the terminal supports first network access, the terminal is searched in the first network
Meet the first community of the preset condition, in such manner, it is possible to guarantee to provide optimal network service for the terminal.Citing and
Speech in the terminal in the case where 4G network successful registration is crossed, then illustrates the end when the first network is 4G network
4G network is supported at end, and search meets the first community of the preset condition in 4G network.
It should be noted that in this embodiment, it includes more that the cell of the preset condition is met in the 4G network
In the case where a, the terminal can successively be attempted to access, and successively attempt to meet institute in the access 4G network in the terminal
In the case where the equal access failure of all cells for stating preset condition, the terminal is searched in 2G or 3G network meets described preset
The first community of condition.It successively attempts to access in the 4G network all cells for meeting the preset condition in the terminal
In the case where equal access failure, the 4G access function of the terminal is closed.
In the embodiment of the present invention, it can be used to indicate by the way that default flag bit (such as LTE_accepted flag bit) is arranged
Whether successful registration crosses first network to terminal.It specifically, is the first preset value (such as " 1 ") in the value of the default flag bit
In the case of, determine the terminal in the first network successful registration mistake；It is the second preset value in the value of the default flag bit
In the case where (such as " 0 "), determine the terminal not in the first network successful registration mistake.
Optionally, after the rejection signaling that the network side equipment for receiving first network is sent, the method also includes:
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, the access of the terminal is believed
The number of attempt in road adds 1；
It is described judge the terminal whether after first network successful registration is crossed, the method also includes:
In the terminal not in the case where the first network successful registration is crossed, the access channel of the terminal is judged
Whether number of attempt is less than preset threshold；
In the case where the number of attempt of the access channel of the terminal is less than the preset threshold, in the first network
Interior, search meets the first community of the preset condition；
In the case where the number of attempt of the access channel of the terminal is greater than or equal to the preset threshold, described the
In two networks, search meets the first community of the preset condition.
It, will be described in the case that the Reason For Denial value in the rejection signaling is Reason For Denial value 12 in the embodiment
The number of attempt of the access channel of terminal adds 1.In the terminal not in the case where the first network successful registration is crossed, explanation
The terminal possibly can not obtain the service of the first network, but due to that can not determine that can terminal obtain described first at this time
Number of attempt threshold value (the trial time of i.e. default access channel of an access channel is arranged in the service of network, the present embodiment
Number), the number of attempt of the default access channel is tasting for the maximum access channel that the terminal attempts access first network
It tries number (MAX attempt counter).In the terminal not in the case where the first network successful registration is crossed, judgement
Whether the number of attempt of the access channel of the terminal is less than preset threshold, small in the number of attempt of the access channel of the terminal
In the case where the preset threshold, in the first network, search meets the first community of the preset condition；On the contrary
Ground, in the case where the number of attempt of the access channel of the terminal is greater than or equal to the preset threshold, in second net
Search meets the first community of the preset condition in network.This way it is possible to avoid the terminal frequent requests access first network
Interior cell is refused, and leads to fall net or the problem slow in net spee.
It should be noted that when the number of attempt of the access channel is greater than or equal to the trial of the default access channel
When number, in the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, no longer connecing the terminal
The number of attempt for entering channel adds 1.It is restarted in the terminal, perhaps opens or closes offline mode or insert or pull out
SIM, or be successfully accessed under the cell conditions of first network, the number of attempt of the access channel can be reset, i.e., it will be described
The number of attempt for accessing channel is reset.In the embodiment of the present invention, the number of attempt of the maximum access channel can be set to 5
It is secondary.
Optionally, the search in the first network meets the first community of the preset condition, comprising:
Whether full range scans the cell in the first network, judge to have in the first network and meet the preset condition
First community；
Described to judge after whether having the first community for meeting the preset condition in the first network, the method is also
Include:
In the case where not meeting the first community of the preset condition in the first network, in second network
Interior, search meets the first community of the preset condition.
In the embodiment, the mode that the first community for meeting the preset condition is searched in the first network has
Whether body is that full range scans the cell in the first network, judge to have in the first network and meet the of the preset condition
One cell, in the case where having the first community for meeting the preset condition in the first network, the terminal is to described
The first community for meeting the preset condition in one network initiates attach request；Do not meet in the first network described pre-
If in the case where the first community of condition, the terminal is searched in second network meets the first small of the preset condition
Area.In such manner, it is possible to when not searching the first community for being suitble to access in first network, even if being the terminal in the second net
Search is suitble to the first community of access in network, avoids terminal from residing in Target cell for a long time, terminal is made to be in off-grid state.
It is one of the structure chart of terminal provided in an embodiment of the present invention referring to Fig. 3, Fig. 3, as shown in figure 3, terminal 300 is wrapped
It includes:
Receiving module 301, the rejection signaling that the network side equipment for receiving first network is sent；
Control module 302, for the Reason For Denial value in the rejection signaling be Reason For Denial value 12 in the case where, will
Roaming banned list is added in tracking area belonging to Target cell；
Trigger module 303 re-searches for cell for triggering the terminal；
Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.
Optionally, referring to fig. 4, Fig. 4 is the two of the structure chart of terminal provided in an embodiment of the present invention, as shown in figure 4, described
Terminal trigger module 303, comprising:
Submodule 3031 is searched for, for searching for the first community for meeting preset condition；
Submodule 3032 is requested, for initiating to the first community attached in the case where searching the first community
Request；
Wherein, the preset condition includes at least signal strength greater than preset signal strength and affiliated tracking area is not in institute
It states in roaming banned list.
Optionally, be referring to Fig. 5, Fig. 5 terminal provided in an embodiment of the present invention structure chart three, as shown in figure 5, described
Search for submodule 3031, comprising:
First search unit 30311 is the belonging area network of the terminal for the network belonging to the Target cell
In the case where, in the first network or the second network, search meets the first community of the preset condition；
Second search unit 30312, the belonging area network for the network belonging to the Target cell and the terminal
In the case where difference, in second network, search meets the first community of the preset condition；
Wherein, the belonging area network of the terminal is operator's net belonging to the user identity identification SIM card of the terminal
Network, the first network and second network are different types of network.
Optionally, be referring to Fig. 6, Fig. 6 terminal provided in an embodiment of the present invention structure chart four, as shown in fig. 6, described
First search unit 30311, comprising:
First judgment sub-unit 303111, for judging the terminal whether in the first network successful registration mistake；
First search subelement 303112, in the terminal in the case where the first network successful registration is crossed,
In the first network, search meets the first community of the preset condition.
Optionally, be referring to Fig. 7, Fig. 7 terminal provided in an embodiment of the present invention structure chart five, as shown in fig. 7, described
Terminal 300 further include:
Counting module 304, for the Reason For Denial value in the rejection signaling be Reason For Denial value 12 in the case where, will
The number of attempt of the access channel of the terminal adds 1；
First search unit 30311, further includes:
Second judgment sub-unit 303113, in the terminal not the case where the first network successful registration is crossed
Under, judge whether the number of attempt of the access channel of the terminal is less than preset threshold
Second search subelement 303114, the number of attempt for the access channel in the terminal are less than the default threshold
In the case where value, in the first network, search meets the first community of the preset condition；
Third searches for subelement 303115, and the number of attempt for the access channel in the terminal is greater than or equal to described
In the case where preset threshold, in second network, search meets the first community of the preset condition.
Optionally, the first search subelement 303112 or the second search subelement 303114, described the
Search meets the first community of the preset condition in one network, specifically includes:
Whether full range scans the cell in the first network, judge to have in the first network and meet the preset condition
Cell；
It is the six of the structure chart of terminal provided in an embodiment of the present invention referring to Fig. 8, Fig. 8, as shown in figure 8, described first searches
Cable elements 30311, further includes:
4th search subelement 303116, first for not meeting the preset condition in the first network are small
In the case where area, in second network, search meets the first community of the preset condition.
In the present embodiment, the terminal receives the rejection signaling that the network side equipment of first network is sent；In the refusal
In the case that Reason For Denial value in signaling is Reason For Denial value 12, roaming is added in tracking area belonging to Target cell and forbids arranging
Table；It triggers the terminal and re-searches for cell；Wherein, the Target cell is the cell or current of terminal request access
The cell of access.It is overflow in this way, the terminal will send tracking area belonging to the Target cell of Reason For Denial value 12 to terminal and be added
Banned list is swum, so that terminal judges that Target cell avoids terminal so that triggering terminal re-searches for network for improper cell
Target cell is resided in for a long time, terminal is made to be in off-grid state.
The hardware structural diagram of Fig. 9 a kind of terminal of each embodiment to realize the present invention, as shown in figure 9, the terminal
900 include but is not limited to: radio frequency unit 901, network module 902, audio output unit 903, input unit 904, sensor
905, display unit 906, user input unit 907, interface unit 908, memory 909, processor 910 and power supply 911 etc.
Component.It will be understood by those skilled in the art that the restriction of the not structure paired terminal of terminal structure shown in Fig. 9, terminal can be with
Including perhaps combining certain components or different component layouts than illustrating more or fewer components.In the embodiment of the present invention
In, terminal include but is not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable device and
Pedometer etc..
Wherein, processor 910 are used for:
Receive the rejection signaling that the network side equipment of first network is sent；
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, by belonging to Target cell with
Roaming banned list is added in track area；
It triggers the terminal and re-searches for cell；
Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.
Optionally, the triggering terminal that the processor 910 executes re-searches for cell, comprising:
Search meets the first community of preset condition；
In the case where searching the first community, attach request is initiated to the first community；
Wherein, the preset condition includes at least signal strength greater than preset signal strength and affiliated tracking area is not in institute
It states in roaming banned list.
Optionally, the search that the processor 910 executes meets the first community of preset condition, comprising:
In the case that the network belonging to the Target cell is the belonging area network of the terminal, in the first network
Or second in network, search meets the first community of the preset condition；
In the case where the network belonging to the Target cell and the belonging area network of the terminal, in second network
Interior, search meets the first community of the preset condition；
Wherein, the belonging area network of the terminal is operator's net belonging to the user identity identification SIM card of the terminal
Network, the first network and second network are different types of network.
Optionally, the network belonging to the Target cell that the processor 910 executes is the ownership place of the terminal
In the case where network, in the first network or the second network, search meets the first community of the preset condition, packet
It includes:
In the case that the network belonging to the Target cell is the belonging area network of the terminal, judge that the terminal is
It is no in the first network successful registration mistake；
In the terminal in the case where the first network successful registration is crossed, search meets institute in the first network
State the first community of preset condition.
Optionally, after the rejection signaling that the network side equipment that the processor 910 executes reception first network is sent, also
Following steps can be achieved:
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, the access of the terminal is believed
The number of attempt in road adds 1；
The processor 910 execution judges the terminal whether after first network successful registration is crossed, can also be achieved as
Lower step:
In the terminal not in the case where the first network successful registration is crossed, the access channel of the terminal is judged
Whether number of attempt is less than preset threshold；
In the case where the number of attempt of the access channel of the terminal is less than the preset threshold, in the first network
Interior, search meets the first community of the preset condition；
In the case where the number of attempt of the access channel of the terminal is greater than or equal to the preset threshold, described the
In two networks, search meets the first community of the preset condition.
Optionally, the search in the first network that the processor 910 executes meets the first of the preset condition
Cell, comprising:
Whether full range scans the cell in the first network, judge to have in the first network and meet the preset condition
First community；
The processor 910 execution judge whether to have in the first network first community for meeting the preset condition it
Afterwards, following steps be can also be achieved:
In the case where not meeting the first community of the preset condition in the first network, in second network
Interior, search meets the first community of the preset condition.
In the embodiment of the present invention, terminal receives the rejection signaling that the network side equipment of first network is sent；In the refusal
In the case that Reason For Denial value in signaling is Reason For Denial value 12, roaming is added in tracking area belonging to Target cell and forbids arranging
Table；It triggers the terminal and re-searches for cell；Wherein, the Target cell is the cell or current of terminal request access
The cell of access.It is overflow in this way, the terminal will send tracking area belonging to the Target cell of Reason For Denial value 12 to terminal and be added
Banned list is swum, so that terminal judges that Target cell avoids terminal so that triggering terminal re-searches for network for improper cell
Target cell is resided in for a long time, terminal is made to be in off-grid state.
It should be understood that the embodiment of the present invention in, radio frequency unit 901 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 910 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 901 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 901 can also by wireless communication system and network and other set
Standby communication.
Terminal provides wireless broadband internet by network module 902 for user and accesses, and such as user is helped to receive and dispatch electricity
Sub- mail, browsing webpage and access streaming video etc..
Audio output unit 903 can be received by radio frequency unit 901 or network module 902 or in memory 909
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 903 can also provide and end
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that end 900 executes.Sound
Frequency output unit 903 includes loudspeaker, buzzer and receiver etc..
Input unit 904 is for receiving audio or video signal.Input unit 904 may include graphics processor
(Graphics Processing Unit, GPU) 9041 and microphone 9042, graphics processor 9041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 906.Through graphics processor 9041, treated that picture frame can be deposited
Storage is sent in memory 909 (or other storage mediums) or via radio frequency unit 901 or network module 902.Mike
Wind 9042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 901 is converted in the case where telephone calling model.
Terminal 900 further includes at least one sensor 905, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjusts the brightness of display panel 9061, and proximity sensor can close display panel when terminal 900 is moved in one's ear
9061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add
The size of speed can detect that size and the direction of gravity when static, can be used to identify terminal posture (such as horizontal/vertical screen switching,
Dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor 905 can be with
Including fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, thermometer,
Infrared sensor etc., details are not described herein.
Display unit 906 is for showing information input by user or being supplied to the information of user.Display unit 906 can wrap
Display panel 9061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 9061.
User input unit 907 can be used for receiving the number or character information of input, and generates and set with the user of terminal
It sets and the related key signals of function control inputs.Specifically, user input unit 907 include touch panel 9091 and other
Input equipment 9072.Touch panel 9091, also referred to as touch screen, collect user on it or nearby touch operation (such as
User is using any suitable objects or attachment such as finger, stylus on touch panel 9091 or near touch panel 9091
Operation).Touch panel 9091 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus is examined
The touch orientation of user is surveyed, and detects touch operation bring signal, transmits a signal to touch controller；Touch controller from
Touch information is received on touch detecting apparatus, and is converted into contact coordinate, then gives processor 910, receives processor 910
The order sent simultaneously is executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Realize touch panel 9091.In addition to touch panel 9091, user input unit 907 can also include other input equipments 9072.
Specifically, other input equipments 9072 can include but is not limited to physical keyboard, function key (such as volume control button, switch
Key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 9091 can be covered on display panel 9061, when touch panel 9091 is detected at it
On or near touch operation after, send processor 910 to determine the type of touch event, be followed by subsequent processing device 910 according to touching
The type for touching event provides corresponding visual output on display panel 9061.Although in Fig. 9, touch panel 9091 and display
Panel 9061 is the function that outputs and inputs of realizing terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of terminal is realized so that touch panel 9091 and display panel 9061 is integrated, is not limited herein specifically
It is fixed.
Interface unit 908 is the interface that external device (ED) is connect with terminal 900.For example, external device (ED) may include it is wired or
Wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port,
For connecting port, the port audio input/output (I/O), video i/o port, ear port of the device with identification module
Etc..Interface unit 908 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will
One or more elements that the input received is transferred in terminal 900 or can be used for terminal 900 and external device (ED) it
Between transmit data.
Memory 909 can be used for storing software program and various data.Memory 909 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 909 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 910 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, is led to
It crosses operation or executes the software program and/or module being stored in memory 909, and call and be stored in memory 909
Data execute the various functions and processing data of terminal, to carry out integral monitoring to terminal.Processor 910 may include one
Or multiple processing units；Preferably, processor 910 can integrate application processor and modem processor, wherein application processing
The main processing operation system of device, user interface and application program etc., modem processor mainly handles wireless communication.It can manage
Solution, above-mentioned modem processor can not also be integrated into processor 910.
Terminal 900 can also include the power supply 911 (such as battery) powered to all parts, it is preferred that power supply 911 can be with
It is logically contiguous by power-supply management system and processor 910, thus by power-supply management system realize management charging, electric discharge, with
And the functions such as power managed.
In addition, terminal 900 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of terminal, including processor 910, and memory 909 is stored in storage
It is real when which is executed by processor 910 on device 909 and the computer program that can be run on the processor 910
Each process of existing above-mentioned network search method embodiment, and identical technical effect can be reached, to avoid repeating, here no longer
It repeats.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of above-mentioned network search method embodiment, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (13)
1. a kind of network search method is applied to terminal, which is characterized in that the described method includes:
Receive the rejection signaling that the network side equipment of first network is sent；
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, by tracking area belonging to Target cell
Roaming banned list is added；
It triggers the terminal and re-searches for cell；
Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.
2. network search method according to claim 1, which is characterized in that the triggering terminal re-searches for small
Area, comprising:
Search meets the first community of preset condition；
In the case where searching the first community, attach request is initiated to the first community；
Wherein, the preset condition includes at least signal strength greater than preset signal strength and affiliated tracking area is not described unrestrained
It swims in banned list.
3. network search method according to claim 2, which is characterized in that it is first small to meet preset condition for described search
Area, comprising:
In the case that the network belonging to the Target cell is the belonging area network of the terminal, in the first network or
In second network, search meets the first community of the preset condition；
In the case that the network belonging to the Target cell is different from the belonging area network of the terminal, in the second network,
Search meets the first community of the preset condition；
Wherein, the belonging area network of the terminal is carrier network belonging to the user identity identification SIM card of the terminal, institute
It states first network and second network is different types of network.
4. network search method according to claim 3, which is characterized in that the network belonging to the Target cell
In the case where belonging area network for the terminal, in the first network or the second network, search meets described default
The first community of condition, comprising:
The network belonging to the Target cell be the terminal belonging area network in the case where, judge the terminal whether
The first network successful registration mistake；
In the terminal in the case where the first network successful registration is crossed, in the first network, described in search satisfaction
The first community of preset condition.
5. network search method according to claim 4, which is characterized in that the network side equipment for receiving first network
After the rejection signaling of transmission, the method also includes:
In the case that Reason For Denial value in the rejection signaling is Reason For Denial value 12, by the access channel of the terminal
Number of attempt adds 1；
It is described judge the terminal whether after first network successful registration is crossed, the method also includes:
In the terminal not in the case where the first network successful registration is crossed, the trial of the access channel of the terminal is judged
Whether number is less than preset threshold；
In the case where the number of attempt of the access channel of the terminal is less than the preset threshold, in the first network,
Search meets the first community of the preset condition；
In the case where the number of attempt of the access channel of the terminal is greater than or equal to the preset threshold, in second net
In network, search meets the first community of the preset condition.
6. network search method according to claim 4 or 5, which is characterized in that described to be searched in the first network
Meet the first community of the preset condition, comprising:
Full range scans the cell in the first network, judges whether there is meet the preset condition in the first network
One cell；
Described to judge after whether having the first community for meeting the preset condition in the first network, the method is also wrapped
It includes:
In the case where not meeting the first community of the preset condition in the first network, in second network,
Search meets the first community of the preset condition.
7. a kind of terminal, which is characterized in that the terminal includes:
Receiving module, the rejection signaling that the network side equipment for receiving first network is sent；
Control module, for the Reason For Denial value in the rejection signaling be Reason For Denial value 12 in the case where, target is small
Roaming banned list is added in tracking area belonging to area；
Trigger module re-searches for cell for triggering the terminal；
Wherein, the Target cell is the cell that the terminal request accesses or the cell being currently accessed.
8. terminal according to claim 7, which is characterized in that the trigger module, comprising:
Submodule is searched for, for searching for the first community for meeting preset condition；
Submodule is requested, for initiating attach request to the first community in the case where searching the first community；
Wherein, the preset condition includes at least signal strength greater than preset signal strength and affiliated tracking area is not described unrestrained
It swims in banned list.
9. terminal according to claim 8, which is characterized in that described search submodule, comprising:
First search unit, for the network belonging to the Target cell be the terminal belonging area network in the case where,
In the first network or the second network, search meets the first community of the preset condition；
Second search unit, the situation different from the belonging area network of the terminal for the network belonging to the Target cell
Under, in second network, search meets the first community of the preset condition；
Wherein, the belonging area network of the terminal is carrier network belonging to the user identity identification SIM card of the terminal, institute
It states first network and second network is different types of network.
10. terminal according to claim 9, which is characterized in that first search unit, comprising:
First judgment sub-unit, for the network belonging to the Target cell be the terminal ownership place in the case where, sentence
Whether the terminal of breaking is in the first network successful registration mistake；
First search subelement, in the terminal in the case where the first network successful registration is crossed, described first
In network, search meets the first community of the preset condition.
11. terminal according to claim 10, which is characterized in that the terminal further include:
Counting module, for the Reason For Denial value in the rejection signaling be Reason For Denial value 12 in the case where, by the end
The number of attempt of the access channel at end adds 1；
First search unit, further includes:
Second judgment sub-unit, in the terminal not in the case where the first network successful registration is crossed, described in judgement
Whether the number of attempt of the access channel of terminal is less than preset threshold；
The case where second search subelement, the number of attempt for the access channel in the terminal is less than the preset threshold
Under, in the first network, search meets the first community of the preset condition；
Third searches for subelement, and the number of attempt for the access channel in the terminal is greater than or equal to the preset threshold
In the case of, in second network, search meets the first community of the preset condition.
12. terminal described in 0 or 11 according to claim 1, which is characterized in that the first search subelement or described second
Subelement is searched for, in the first network, search meets the first community of the preset condition, it specifically includes:
Whether full range scans the cell in the first network, judge to have in the first network and meet the small of the preset condition
Area；
First search unit, further includes:
4th search subelement, the case where for not meeting the first community of the preset condition in the first network
Under, in second network, search meets the first community of the preset condition.
13. a kind of terminal, which is characterized in that including processor, memory is stored on the memory and can be in the processing
The computer program run on device is realized when the computer program is executed by the processor as any in claim 1 to 6
The step of network search method described in item.
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