CN108064456A - A kind of detection method and device of exception frequency point, computer storage media - Google Patents
A kind of detection method and device of exception frequency point, computer storage media Download PDFInfo
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- CN108064456A CN108064456A CN201780002027.6A CN201780002027A CN108064456A CN 108064456 A CN108064456 A CN 108064456A CN 201780002027 A CN201780002027 A CN 201780002027A CN 108064456 A CN108064456 A CN 108064456A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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Abstract
The invention discloses a kind of detection method and device of abnormal frequency point, computer storage media, the described method includes：When terminal receives CS paging messages, the frequency point of multiple GSM cells is scanned；The terminal is based on scanning result, determines the frequency point of target GSM cell, using the frequency point of the target GSM cell as the target frequency point for communication；The terminal is based on the target frequency point execution position more new technological process, and opening timing device wait network issues CC and establishes message after the position update flow has been performed；When before the timer expiry, the terminal, which does not receive the CC that the network issues, establishes message, it is abnormal frequency point to determine the target frequency point.
Description
Technical field
The present invention relates to circuit domain dropping (CSFB, Circuit Switched Fallback) technical field more particularly to
A kind of detection method and device of exception frequency point, computer storage media.
Background technology
Since Long Term Evolution (LTE, Long Term Evolution) and the wireless communication of 2G/3G dual-mode terminals are single
Wireless mode (Signal-radio mode) therefore, has the bimodulus or multimode terminal of LTE and 2G/3G access capabilities,
When being accessed using LTE, 2G/3G circuit domain business signals can not be transmitted.In order to make terminal (UE, User Equipment) in LTE
It accesses or can carry out the circuit domains such as speech (CS, Circuit Switched) business under resident, and UE can be connect in LTE
Ongoing packet domain (PS, Packet Switch) business is properly processed under entering, and generates CSFB technologies.
During CSFB, the promoter of phone is known as caller (MO, Mobile Origination), the recipient of phone
Referred to as called (MT, Mobile Termination), MO and MT are each corresponding with the CSFB signaling processes of oneself.For CSFB mistakes
For MT in journey, since the appearance of various abnormal conditions often causes CSFB procedure failures, it can not be connect so as to cause phone
It is logical, how effectively to ensure that CSFB processes are successfully a problem to be solved.
The content of the invention
In order to solve the above technical problems, an embodiment of the present invention provides a kind of detection method and device of abnormal frequency point, meters
Calculation machine storage medium.
The detection method of exception frequency point provided in an embodiment of the present invention, including：
When terminal receives CS paging messages, to multiple global system for mobile communications (GSM, Global System for
Mobile Communication) frequency point of cell is scanned；
The terminal is based on scanning result, the frequency point of target GSM cell is determined, by the frequency point of the target GSM cell
As the target frequency point for communication；
The terminal is based on the target frequency point execution position more new technological process, and after the position update flow has been performed
Opening timing device waits network to issue Call- Control1 (CC, Call Control) and establishes message；
When before the timer expiry, the terminal, which does not receive the CC that the network issues, establishes message, really
The fixed target frequency point is abnormal frequency point.
In the embodiment of the present invention, the terminal is based on the target frequency point execution position more new technological process, including：
The terminal is based on the target frequency point, and location update request message is sent to network；
The terminal receives location updating received message or the location updating refuse information that the network returns.
In the embodiment of the present invention, the opening timing device after the position update flow has been performed waits network to issue CC
Message is established, including：
When the terminal receives the location updating received message that the network returns, opening timing device waits network to issue
CC establishes message.
In the embodiment of the present invention, the timer is T3240 timers.
In the embodiment of the present invention, the method further includes：
The abnormal frequency point is marked, and the abnormal frequency point after mark is stored into abnormal frequency point data storehouse；
When the terminal receives CS paging messages again, filtered out based on the abnormal frequency point data storehouse to be scanned
The frequency point of GSM cell, wherein, the frequency point of the GSM cell to be scanned does not include the exception in the abnormal frequency point data storehouse
Frequency point.
The detection device of exception frequency point provided in an embodiment of the present invention, including：
Paging unit is configured to receive CS paging messages；
Frequency point scanning unit is configured to be scanned the frequency point of multiple GSM cells；
Determination unit is configured to scanning result, determines the frequency point of target GSM cell, by the target GSM cell
Frequency point as communication target frequency point；
Location updating unit is configured to the target frequency point execution position more new technological process, and the rheme having performed
It puts opening timing device after more new technological process network is waited to issue CC and establish message；
Abnormal frequency point detection unit is configured to when before the timer expiry, the terminal does not receive the net
When the CC that network issues establishes message, it is abnormal frequency point to determine the target frequency point.
In the embodiment of the present invention, the location updating unit, concrete configuration is：Based on the target frequency point, sent out to network
Send location update request message；Receive location updating received message or the location updating refuse information that the network returns.
In the embodiment of the present invention, the location updating unit is additionally configured to receive the location updating that the network returns
During received message, opening timing device waits network to issue CC and establishes message.
In the embodiment of the present invention, the timer is T3240 timers.
In the embodiment of the present invention, described device further includes：
Indexing unit is configured to that the abnormal frequency point is marked, and the abnormal frequency point after mark is stored to exception
In frequency point data storehouse；
Screening unit is configured to when receiving CS paging messages again, is filtered out based on the abnormal frequency point data storehouse
The frequency point of GSM cell to be scanned, wherein, the frequency point of the GSM cell to be scanned does not include the abnormal frequency point data storehouse
In abnormal frequency point.
Computer storage media provided in an embodiment of the present invention, is stored thereon with computer executable instructions, the computer
The detection method of above-mentioned abnormal frequency point is realized when executable instruction is executed by processor.
In the technical solution of the embodiment of the present invention, when terminal receives CS paging messages, to the frequency points of multiple GSM cells into
Row scanning；The terminal is based on scanning result, determines the frequency point of target GSM cell, and the frequency point of the target GSM cell is made
To be used for the target frequency point to communicate；The terminal is based on the target frequency point execution position more new technological process, and described having performed
Opening timing device waits network to issue CC and establishes message after position update flow；When before the timer expiry, the end
When end does not receive the CC that the network issues and establishes message, it is abnormal frequency point to determine the target frequency point.Using of the invention real
The technical solution of example is applied, the frequency point of abnormal GSM cell can be detected under the scene across MSC-pool, in this way, follow-up
During carrying out CSFB, these abnormal frequency points are directly neglected, the successful probability of CSFB processes is substantially increased, improves user
Calling experience.
Description of the drawings
Fig. 1 is the position update flow figure of the embodiment of the present invention；
Fig. 2 is the flow diagram one of the detection method of the abnormal frequency point of the embodiment of the present invention；
Fig. 3 is the flow diagram two of the detection method of the abnormal frequency point of the embodiment of the present invention；
Fig. 4 is the structure composition schematic diagram one of the detection device of the abnormal frequency point of the embodiment of the present invention；
Fig. 5 is the structure composition schematic diagram two of the detection device of the abnormal frequency point of the embodiment of the present invention；
Fig. 6 is the structure composition schematic diagram of the terminal of the embodiment of the present invention.
Specific embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings to this hair
The realization of bright embodiment is described in detail, appended attached drawing purposes of discussion only for reference, is not used for limiting the embodiment of the present invention.
Under normal circumstances, the starting up of terminal with CSFB can search for LTE network, complete LTE/2G network associations note
Volume, and voice caller can be carried out and be called.
CSFB processes include three phases：1) UE initiates calling (corresponding to MO) in LTE network or reception paging is (right
It should be in MT)；2) UE falls after rise under LTE network guide and searches for suitable GSM cell and accessed；3) UE reads GSM cell system
System broadcast message simultaneously establishes voice communication.
In addition, the important process during CSFB is position updating process, below to the location updating of UE
Process is illustrated.
Fig. 1 is the position update flow figure of the embodiment of the present invention, as shown in Figure 1, the position update flow is including following
Step：
Step 101：UE starts shooting, and performs joint evolved packet system (EPS, Evolved Packet System)/world
Mobile identification number (IMSI, International Mobile Subscriber Identification Number) is attached
It.
Step 102：UE receives CS paging messages.
Step 103：UE scans the frequency point of multiple GSM cells, and selects the frequency point of a GSM cell for being led to
Letter.
Here, by it is selected go out the frequency point of GSM cell be known as target frequency point.
This step further includes：UE is based on the target frequency point, and RR channel request messages (RR_CHANNEL_ is sent to network
REQUEST).UE receives network replies IM message, and the RR channels of network distribution are obtained by IM message.
Step 104：UE sends location update request message (LU_REQUEST) to network.
Here, need to send LU_REQUEST to network when UE is moved between different community, updated and flowed with execution position
Journey.
Step 105：UE receives the location updating received message (LU_ACCEPT) of network replies.
Step 106：UE opens T3240 timers.
Here, after UE receives LU_ACCEPT, soon start T3240 timers in-position more new state, wait by net
The RR that network issues establishes connection message.
Step 107：Before T3240 timer expiries, terminal receives the CC foundation (CC_setup) that network issues and disappears
Breath, so far, MT call successes.
Step 108：Before T3240 timer expiries, terminal does not receive the CC that network issues and establishes connection message, eventually
End waits radio resource (RR, Radio Resource) Connection Release of network-triggered.
For MT, due to LTE network, there are a variety of special screnes so that MT call fail.Such as：It is handed over across mobile
MT call under switching center9 (MSC)-pond (pool), when UE is just at MSC-pool borderline regions, CSFB easily goes out
Existing abnormal conditions are usually expressed as probabilistic MT call failures.
The problem of for causing CSFB procedure failures because of location updating, the embodiment of the present invention propose a kind of abnormal frequency point
Detection method can effectively detect the frequency point of abnormal GSM cell, so as to effectively avoid subsequently being linked into exception again
Frequency point causes the problem of CSFB procedure failures to occur.
Fig. 2 is the flow diagram one of the detection method of the abnormal frequency point of the embodiment of the present invention, as shown in Fig. 2, described different
The detection method of normal frequency point comprises the following steps：
Step 201：When terminal receives CS paging messages, the frequency point of multiple GSM cells is scanned.
In the embodiment of the present invention, terminal refers to MT, and after starting up of terminal, joint EPS/IMSI attachments are first carried out.Then, eventually
Termination receives the CS paging messages that network side issues.Here, it is necessary to which MO initiates the calling for MT first, then, MT is just received
The CS paging messages issued to network side.
Specifically, after the mobile services switching centre in network (MSC) receives initial address request (IAM) incoming message,
According to existing SGs associations and mobile management entity (MME, Mobility Management Entity) information, send
SGsAP-PAGING-REQUEST message is to MME, and here, SGsAP-PAGING-REQUEST message carries following information：IMSI、
Temporary Mobile Subscriber Identity (TMSI, Temporary Mobile Subscriber Identity), service identification (Service
Indicator), calling number, location area information.MME sends paging (Paging) message to base station, and what is eated dishes without rice or wine initiated in base station
Paging flows.UE, which is established, connects and sends Extended Service Request message to MME, MME transmissions SGsAP-
For SERVICE-REQUEST message to MSC, MSC receives this message, no longer retransmits paging request message to MME.For calling is avoided to connect
During continuous, the caller stand-by period is long, and MSC receives the SGs Service Request message for including Idle state instruction, first leads to
Know calling just in handshaking procedure.MME sends Initial UE Context Setup message to base station, here,
Initial UE Context Setup message carries CS Fallback Indicator, CS Fallback Indicator and uses
In instruction base station UE because CSFB business needs to fall back to UMTS Terrestrial radio access network (UTRAN, UMTS Terrestrial
Radio Access Network)/GSM EDGE Radio Access Network (GERAN, GSM EDGE Radio Access
Network)。
When terminal receives CS paging messages, the frequency point of multiple GSM cells is scanned.Here, network side can be with
A 2G frequency point group is configured for terminal, this 2G frequency point group includes the frequency point of multiple GSM cells, and then, this is multiple for terminal-pair
The frequency point of GSM cell is scanned.Certainly, terminal directly can also carry out frequency point scanning in some 2G band limits.Here,
The result of scanning includes but not limited to have：The signal strength of the frequency point of each GSM cell.
Step 202：The terminal is based on scanning result, determines the frequency point of target GSM cell, and the target GSM is small
The frequency point in area is as the target frequency point for communication.
In the embodiment of the present invention, terminal is based on scanning result, determines that the frequency point of target GSM cell specifically includes：Terminal
From the signal strength of the frequency point of each GSM cell, the most strong frequency point of signal strength is determined, as the target frequency for communication
Point.
Step 203：The terminal is based on the target frequency point execution position more new technological process, and is performing the position more
Opening timing device waits network to issue CC and establishes message after new technological process.
Specifically, the terminal is based on the target frequency point, and location update request message (LU_ is sent to network
REQUEST)；The terminal receives the location updating received message (LU_ACCEPT) of the network return or location updating is refused
Exhausted message (LU_REJECT).
Here, when terminal is to network transmission location update request message, T3210 timers are started, here, location updating please
Message is asked to include the type of location updating, such as：Normal position update, IMSI attachments, periodic location update.If network connects
By position updating request or refusal position updating request, then stop T3210 timers.If T3210 timer expiry networks do not have
There is response terminal, then start T3211 timers.After terminal receives the location updating received message of network replies, storage is local
Station location marker (LAI, Location Area Identification), and stop T3210 timers.
Here, when terminal receives the location updating received message that the network returns, the same of T3210 timers is stopped
When, unlatching T3240 timers wait network to issue CC and establish message.
Step 204：When before the timer expiry, the terminal does not receive the CC foundation that the network issues and disappears
During breath, it is abnormal frequency point to determine the target frequency point.
In the embodiment of the present invention, before T3240 timer expiries, the terminal does not receive the CC that the network issues
When establishing message namely show MT call failures, it may be determined that selected target frequency point is abnormal frequency point.
Fig. 3 is the flow diagram two of the detection method of the abnormal frequency point of the embodiment of the present invention, as shown in figure 3, described different
The detection method of normal frequency point comprises the following steps：
Step 301：When terminal receives CS paging messages, the frequency point of multiple GSM cells is scanned.
In the embodiment of the present invention, terminal refers to MT, and after starting up of terminal, joint EPS/IMSI attachments are first carried out.Then, eventually
Termination receives the CS paging messages that network side issues.Here, it is necessary to which MO initiates the calling for MT first, then, MT is just received
The CS paging messages issued to network side.
When terminal receives CS paging messages, the frequency point of multiple GSM cells is scanned.Here, network side can be with
A 2G frequency point group is configured for terminal, this 2G frequency point group includes the frequency point of multiple GSM cells, and then, this is multiple for terminal-pair
The frequency point of GSM cell is scanned.Certainly, terminal directly can also carry out frequency point scanning in some 2G band limits.Here,
The result of scanning includes but not limited to have：The signal strength of the frequency point of each GSM cell.
Step 302：The terminal is based on scanning result, determines the frequency point of target GSM cell, and the target GSM is small
The frequency point in area is as the target frequency point for communication.
In the embodiment of the present invention, terminal is based on scanning result, determines that the frequency point of target GSM cell specifically includes：Terminal
From the signal strength of the frequency point of each GSM cell, the most strong frequency point of signal strength is determined, as the target frequency for communication
Point.
Step 303：The terminal is based on the target frequency point execution position more new technological process, and is performing the position more
Opening timing device waits network to issue CC and establishes message after new technological process.
Specifically, the terminal is based on the target frequency point, and location update request message (LU_ is sent to network
REQUEST)；The terminal receives the location updating received message (LU_ACCEPT) of the network return or location updating is refused
Exhausted message (LU_REJECT).
Here, when terminal is to network transmission location update request message, T3210 timers are started, here, location updating please
Message is asked to include the type of location updating, such as：Normal position update, IMSI attachments, periodic location update.If network connects
By position updating request or refusal position updating request, then stop T3210 timers.If T3210 timer expiry networks do not have
There is response terminal, then start T3211 timers.After terminal receives the location updating received message of network replies, LAI is stored,
And stop T3210 timers.
Here, when terminal receives the location updating received message that the network returns, the same of T3210 timers is stopped
When, unlatching T3240 timers wait network to issue CC and establish message.
Step 304：When before the timer expiry, the terminal does not receive the CC foundation that the network issues and disappears
During breath, it is abnormal frequency point to determine the target frequency point.
In the embodiment of the present invention, before T3240 timer expiries, the terminal does not receive the CC that the network issues
When establishing message namely show MT call failures, it may be determined that selected target frequency point is abnormal frequency point.
Step 305：The abnormal frequency point is marked, and the abnormal frequency point after mark is stored to abnormal frequency point data
In storehouse.
Step 306：When the terminal receives CS paging messages again, filtered out based on the abnormal frequency point data storehouse
The frequency point of GSM cell to be scanned, wherein, the frequency point of the GSM cell to be scanned does not include the abnormal frequency point data storehouse
In abnormal frequency point.
Fig. 4 is the structure composition schematic diagram one of the detection device of the abnormal frequency point of the embodiment of the present invention, as shown in figure 4, institute
Stating the detection device of abnormal frequency point includes：
Paging unit 401 is configured to receive CS paging messages；
Frequency point scanning unit 402 is configured to be scanned the frequency point of multiple GSM cells；
Determination unit 403, is configured to scanning result, determines the frequency point of target GSM cell, by the target GSM
The frequency point of cell is as the target frequency point for communication；
Location updating unit 404 is configured to the target frequency point execution position more new technological process, and described having performed
Opening timing device waits network to issue CC and establishes message after position update flow；
Abnormal frequency point detection unit 405 is configured to when before the timer expiry, the terminal does not receive described
When the CC that network issues establishes message, it is abnormal frequency point to determine the target frequency point.
In the embodiment of the present invention, the location updating unit 404, concrete configuration is：Based on the target frequency point, to network
Send location update request message；Receive location updating received message or the location updating refuse information that the network returns.
In the embodiment of the present invention, the location updating unit 404 is additionally configured to receive position that the network returns more
During new received message, opening timing device waits network to issue CC and establishes message.
In the embodiment of the present invention, the timer is T3240 timers.
It will be appreciated by those skilled in the art that the realization work(of each unit in the detection device of exception frequency point shown in Fig. 4
The associated description of the detection method of foregoing abnormal frequency point can be can refer to and understood.In the detection device of exception frequency point shown in Fig. 4
The function of each unit can be realized by running on the program on processor, can also be realized by specific logic circuit.
Fig. 5 is the structure composition schematic diagram two of the detection device of the abnormal frequency point of the embodiment of the present invention, as shown in figure 5, institute
Stating the detection device of abnormal frequency point includes：
Paging unit 501 is configured to receive CS paging messages；
Frequency point scanning unit 502 is configured to be scanned the frequency point of multiple GSM cells；
Determination unit 503, is configured to scanning result, determines the frequency point of target GSM cell, by the target GSM
The frequency point of cell is as the target frequency point for communication；
Location updating unit 504 is configured to the target frequency point execution position more new technological process, and described having performed
Opening timing device waits network to issue CC and establishes message after position update flow；
Abnormal frequency point detection unit 505 is configured to when before the timer expiry, the terminal does not receive described
When the CC that network issues establishes message, it is abnormal frequency point to determine the target frequency point.
In the embodiment of the present invention, the location updating unit 504, concrete configuration is：Based on the target frequency point, to network
Send location update request message；Receive location updating received message or the location updating refuse information that the network returns.
In the embodiment of the present invention, the location updating unit 504 is additionally configured to receive position that the network returns more
During new received message, opening timing device waits network to issue CC and establishes message.
In the embodiment of the present invention, the timer is T3240 timers.
In the embodiment of the present invention, described device further includes：
Indexing unit 506 is configured to that the abnormal frequency point is marked, and the abnormal frequency point after mark is stored to different
In normal frequency point data storehouse；
Screening unit 507 is configured to when receiving CS paging messages again, based on the abnormal frequency point data storehouse screening
Go out the frequency point of GSM cell to be scanned, wherein, the frequency point of the GSM cell to be scanned does not include the abnormal frequency point data
Abnormal frequency point in storehouse.
It will be appreciated by those skilled in the art that the realization work(of each unit in the detection device of abnormal frequency point shown in Fig. 5
The associated description of the detection method of foregoing abnormal frequency point can be can refer to and understood.In the detection device of abnormal frequency point shown in Fig. 5
The function of each unit can be realized by running on the program on processor, can also be realized by specific logic circuit.
If the detection device of the above-mentioned abnormal frequency point of the embodiment of the present invention is realized and made in the form of software function module
It is independent production marketing or in use, can also be stored in a computer read/write memory medium.Based on such reason
Solution, the part that the technical solution of the embodiment of the present invention substantially in other words contributes to the prior art can be with software product
Form embodies, which is stored in a storage medium, is used including some instructions so that a meter
It calculates machine equipment (can be personal computer, server or network equipment etc.) and performs each embodiment the method for the present invention
All or part.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read Only
Memory), the various media that can store program code such as magnetic disc or CD.In this way, the embodiment of the present invention is not restricted to appoint
What specific hardware and software combines.
Correspondingly, the embodiment of the present invention also provides a kind of computer storage media, wherein being stored with computer can perform finger
The detection side of the above-mentioned abnormal frequency point of the embodiment of the present invention is realized in order when the computer executable instructions are executed by processor
Method.
Fig. 6 is the structure composition schematic diagram of the terminal of the embodiment of the present invention, as shown in fig. 6, terminal 60 can include one
Or (processor 602 can include but is not limited to microprocessor (MCU, Micro to multiple (one is only shown in figure) processors 602
Controller Unit) or programmable logic device (FPGA, Field Programmable Gate Array) etc. processing
Device), the memory 604 for storing data and the transmitting device 606 for communication function.Ordinary skill people
Member is appreciated that the structure shown in Fig. 6 is only to illustrate, and the structure of above-mentioned electronic device is not caused to limit.For example, terminal
60 may also include than shown in Fig. 6 more either less components or with the configuration different from shown in Fig. 6.
Memory 604 can be used for the software program and module of storage application software, such as the channel in the embodiment of the present invention
Corresponding program instruction/the module of definite method of frequency hopping, processor 602 are stored in the software journey in memory 604 by operation
Sequence and module so as to perform various functions application and data processing, that is, realize above-mentioned method.Memory 604 may include
High speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or its
His non-volatile solid state memory.In some instances, memory 604 can further comprise remotely setting compared with processor 602
The memory put, these remote memories can pass through network connection to terminal 60.The example of above-mentioned network includes but not limited to
Internet, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 606 is used to that data to be received or sent via a network.Above-mentioned network specific example may include
The wireless network that the communication providers of terminal 60 provide.In an example, transmitting device 606 includes a network adapter
(NIC, Network Interface Controller), can be connected by base station with other network equipments so as to interconnection
Net is communicated.In an example, transmitting device 606 can be radio frequency (RF, Radio Frequency) module, be used for
Wirelessly communicated with internet.
It, in the case where there is no conflict, can be in any combination between technical solution recorded in the embodiment of the present invention.
In several embodiments provided by the present invention, it should be understood that disclosed method and smart machine, Ke Yitong
Other modes are crossed to realize.Apparatus embodiments described above are only schematical, for example, the division of the unit, only
Only a kind of division of logic function, can have other dividing mode, such as in actual implementation：Multiple units or component can be tied
It closes or is desirably integrated into another system or some features can be ignored or does not perform.In addition, shown or discussed each group
Into the mutual coupling in part or direct-coupling or communication connection can be by some interfaces, equipment or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, be shown as unit
The component shown can be or may not be physical location, you can be located at a place, can also be distributed to multiple network lists
In member；Part or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a second processing unit,
Can also be each unit individually as a unit, can also two or more units integrate in a unit；
The form that hardware had both may be employed in above-mentioned integrated unit is realized, the form that hardware adds SFU software functional unit can also be used real
It is existing.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.
Claims (11)
1. a kind of detection method of exception frequency point, the described method includes：
When terminal receives circuit domain CS paging messages, the frequency point of multiple global system for mobile communications GSM cells is scanned；
The terminal is based on scanning result, determines the frequency point of target GSM cell, using the frequency point of the target GSM cell as
For the target frequency point of communication；
The terminal is based on the target frequency point execution position more new technological process, and is opened after the position update flow has been performed
Timer waits network to issue calling controling CC and establishes message；
When before the timer expiry, the terminal, which does not receive the CC that the network issues, establishes message, institute is determined
It is abnormal frequency point to state target frequency point.
2. the detection method of exception frequency point according to claim 1, wherein, the terminal is performed based on the target frequency point
Position update flow, including：
The terminal is based on the target frequency point, and location update request message is sent to network；
The terminal receives location updating received message or the location updating refuse information that the network returns.
3. the detection method of exception frequency point according to claim 2, wherein, it is described to perform the position update flow
Opening timing device waits network to issue calling controling CC and establishes message afterwards, including：
When the terminal receives the location updating received message that the network returns, opening timing device waits network to issue CC and builds
Vertical message.
4. the detection method of exception frequency point according to claim 3, wherein, the timer is T3240 timers.
5. the detection method of exception frequency point according to any one of claims 1 to 4, wherein, the method further includes：
The abnormal frequency point is marked, and the abnormal frequency point after mark is stored into abnormal frequency point data storehouse；
When the terminal receives CS paging messages again, GSM to be scanned is filtered out based on the abnormal frequency point data storehouse
The frequency point of cell, wherein, the frequency point of the GSM cell to be scanned does not include the abnormal frequency in the abnormal frequency point data storehouse
Point.
6. a kind of detection device of exception frequency point, described device include：
Paging unit is configured to receive CS paging messages；
Frequency point scanning unit is configured to be scanned the frequency point of multiple GSM cells；
Determination unit is configured to scanning result, determines the frequency point of target GSM cell, by the frequency of the target GSM cell
Point is as the target frequency point for communication；
Location updating unit is configured to the target frequency point execution position more new technological process, and is performing the position more
Opening timing device waits network to issue CC and establishes message after new technological process；
Abnormal frequency point detection unit is configured to when before the timer expiry, the terminal is not received under the network
When the CC of hair establishes message, it is abnormal frequency point to determine the target frequency point.
7. the detection device of exception frequency point according to claim 6, wherein, the location updating unit, concrete configuration is：
Based on the target frequency point, location update request message is sent to network；The location updating receiving that the network returns is received to disappear
Breath or location updating refuse information.
8. the detection device of exception frequency point according to claim 7, wherein, the location updating unit is additionally configured to connect
When receiving the location updating received message that the network returns, opening timing device waits network to issue CC and establishes message.
9. the detection device of exception frequency point according to claim 8, wherein, the timer is T3240 timers.
10. according to the detection device of claim 6 to 9 any one of them exception frequency point, wherein, described device further includes：
Indexing unit is configured to that the abnormal frequency point is marked, and the abnormal frequency point after mark is stored to abnormal frequency point
In database；
Screening unit is configured to when receiving CS paging messages again, is filtered out based on the abnormal frequency point data storehouse and is waited to sweep
The frequency point for the GSM cell retouched, wherein, the frequency point of the GSM cell to be scanned is not included in the abnormal frequency point data storehouse
Abnormal frequency point.
11. a kind of computer storage media, is stored thereon with computer executable instructions, which is processed
Claim 1-5 any one of them method and steps are realized when device performs.
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| PCT/CN2017/104803 WO2019061410A1 (en) | 2017-09-30 | 2017-09-30 | Abnormal frequency point detection method and device, and computer storage medium |
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| CN108064456B (en) | 2021-09-03 |
| WO2019061410A1 (en) | 2019-04-04 |
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