CN105898812B - A kind of method and device of quick falling network - Google Patents
A kind of method and device of quick falling network Download PDFInfo
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- CN105898812B CN105898812B CN201610329694.2A CN201610329694A CN105898812B CN 105898812 B CN105898812 B CN 105898812B CN 201610329694 A CN201610329694 A CN 201610329694A CN 105898812 B CN105898812 B CN 105898812B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of method and devices for quickly falling network after rise, at the end of solving existing CSFB voice communication, the problem of probability of failure is larger when falling after rise to LIE network, autonomous FR degraded performance.Terminal is when being linked into the first network for not supporting voice service, using the multiple frequency point informations measured under first network as the first frequency point collection information preservation；It when needing to initiate voice service, retracts to the second network of support voice service, and obtains the change information for characterizing the terminal location variation in the second network；When the change information meets and imposes a condition, the frequency point in the first network received is measured, the first frequency point collection information is updated；At the end of voice service, the first frequency point collection information FR based on newest preservation causes FR to fail to first network, in such manner, it is possible to avoid the problem that frequency point belonging to voice service release areas is not included in the frequency point that former terminal is remembered, and improves autonomous FR performance.
Description
Technical field
The present invention relates to wireless technical fields, more particularly to a kind of method and device for quickly falling network after rise.
Background technique
LTE (Long Term Evolution, long term evolution) network is using full IP (Internet Protocol, interconnection
Agreement) structure, CS (Circuit Switched, circuit switching) domain is not present, to the support Shortcomings of voice service, because
This, CSFB (Circuit Switched Fallback, circuit domain retract) scheme is just come into being.
CSFB be a kind of list to working method, preferably reside in LTE network after terminal booting, lead to when there is voice service
It crosses CSFB technology and falls back to the execution of 2G/3G circuit domain, after voice service, then pass through FR (Fast Return is quickly fallen after rise)
Technology quickly returns to LTE network, and the continuity of voice service not only may be implemented without falling after rise in data service in this way, moreover it is possible to
Realize the continuity of data service.
When terminal returns to LTE network by autonomous FR process, the LTE frequency point number for needing to search for is fewer, and searched for frequency point
With its locating for cell and adjacent area frequency point it is more identical, then FR function is more excellent, return it is faster.Therefore, how to be obtained with the smallest cost
More close FR returns to the key point that frequency point information is autonomous FR function.
A solution existing in the prior art is, as shown in Figure 1, terminal is all in CSFB voice call process
Phase property measures the LTE frequency point in broadcast message one by one, and the last time measurement result when being hung up according to voice service judges voice industry
Suitable LTE cell whether is measured at the end of business, if there is the LTE cell for the condition that meets, is then issued in network side
Autonomous FR process is triggered after Channel Release (channel release) message, uses the LTE frequency point for meeting condition measured before this
Information trial is back to corresponding LTE cell；If the LTE cell not being suitble to after Channel Release message is resident,
Or the failure of LTE cell is returned after FR triggering, then the persistent district for being still in original CSFB business is resident.
In this solution, terminal periodic measures LTE frequency point, this periodical, frequency one by one in CSFB communication process
The LTE frequency point measurement of numerous progress not only will increase the consumption of terminal power；If the terminal call time is very short after CSFB, or
Very short time discharges extremely, then may have little time to carry out LTE frequency point measurement or not measure effective LTE frequency point, lead to autonomous FR
Failure.
Another kind solution existing in the prior art is, as shown in Fig. 2, at the end of CSFB voice service, in net
Terminal is according to the LTE cell being once resident for measuring and preserving before this after network issues Channel Release message
Frequency point information is attempted to trigger autonomous FR return LTE cell.If measuring suitable LTE cell before the deadline, it tries
Access LTE cell；If attempting access LTE cell failure, or fail to measure suitable LTE cell, is then still in former CSFB
Business persistent district is resident.
In this solution, autonomous FR frequency point depends on the memory frequency point of passing accumulation, cannot timely feedback nearest feelings
Condition is searched for after FR triggering dependent on frequency point, if the affiliated LTE cell of voice service release areas is not included in terminal memory
It, then can FR failure in LTE frequency point；If the LTE frequency point of terminal memory it is excessive, it is specified that time in possibly can not be to all LTE
Frequency point carries out frequency sweep, and FR is caused to fail, and with the increase of existing net LTE frequency point deployment quantity, this to be searched by remembering frequency point
The risk of Suo little Qu can be gradually increased, and FR probability of failure is caused to increase.
Summary of the invention
The embodiment of the present invention provides a kind of method and device for quickly falling network after rise, to solve existing CSFB voice communication
At the end of, the problem of it is larger to fall probability of failure when to LIE network after rise, autonomous FR degraded performance.
Specific technical solution provided in an embodiment of the present invention is as follows:
In a first aspect, the embodiment of the present invention provides a kind of method for quickly falling network after rise, comprising:
Terminal is more by measuring under the first network when being linked into the first network for not supporting voice service
A frequency point information is as the first frequency point collection information preservation；
The terminal is retracted based on CSFB mode to the second net for supporting voice service when needing to initiate voice service
Network, and the change information changed for characterizing the terminal location is obtained in second network；
The terminal is when the change information meets and imposes a condition, when the terminal is in the second network to described
The frequency point in first network that terminal receives measures, and based on the obtained result of measurement to the first frequency point collection information
It is updated；
The terminal is at the end of voice service, the first frequency point collection information FR based on newest preservation to first net
Network.
Since terminal is become after from first network CSFB to the second network by the signal of cell switching or pilot signal
Change difference to judge whether terminal has occurred large-scale change in location, starts first when large-scale change in location has occurred
The frequency point of network measures, and is updated to the frequency point information for the first network that terminal saves, the guarantee newest preservation of terminal as far as possible
First network frequency point information and terminal it is locating when voice service discharges the subdistrict frequency point of first network it is consistent or close,
The subdistrict frequency point for avoiding the occurrence of first network belonging to voice service release areas is not included in the first network of terminal memory
The problem of causing FR to fail when in frequency point.
On the basis of first aspect, optionally, the change information includes:
The information of cell switching occurs for the terminal；And/or
The signal intensity difference of serving cell within the set duration where the terminal.
On the basis of first aspect, optionally, the terminal is when change information meets and imposes a condition, in the terminal
The frequency point in first network received when in the second network to the terminal measures, and the knot obtained based on measurement
Fruit is updated the first frequency point collection information, comprising:
The terminal is when occurring cell switching or the serving cell signal intensity difference within the set duration at place is super
When crossing preset threshold, the frequency point in first network received when the terminal is in the second network to the terminal is carried out
Measurement, and multiple frequency point informations that measurement is obtained are as the second frequency point collection information
First frequency point information of preservation is updated to second frequency point information by the terminal.
On the basis of first aspect, optionally, the terminal at the end of voice service, based on newest preservation first
Frequency point collection information quickly falls FR after rise to the first network, comprising:
The terminal is determined to meet pre- at the end of voice service in the first frequency point collection information of newest preservation
If the frequency point of condition, and attempt quickly to fall after rise FR to the first network based on the frequency point determined.
On the basis of first aspect, optionally, the signal intensity difference is signal quality variation difference or signal electricity
Flat variation difference.
Second aspect, provides a kind of device for quickly falling network after rise, and described device is applied to terminal, comprising:
Storage unit, for that will be under the first network when being linked into the first network for not supporting voice service
The multiple frequency point informations measured are as the first frequency point collection information preservation；
Acquiring unit is retracted to supporting the of voice service based on CSFB mode for when needing to initiate voice service
Two networks, and the change information changed for characterizing the terminal location is obtained in second network；
Measuring unit is used for when the change information meets and imposes a condition, when the terminal is in the second network
The frequency point in first network received to the terminal measures, and based on the obtained result of measurement to first frequency point
Collection information is updated；
Processing unit, at the end of voice service, the first frequency point collection information FR based on newest preservation to described the
One network.
On the basis of second aspect, optionally, the change information includes:
The information of cell switching occurs for the terminal；And/or
The signal intensity difference of serving cell within the set duration where the terminal.
On the basis of second aspect, optionally, the measuring unit is when change information meets and imposes a condition, described
The frequency point in first network that terminal receives the terminal when being in the second network measures, and is obtained based on measurement
Result when being updated to the first frequency point collection information, be specifically used for:
When cell switching occurs or the serving cell signal intensity difference within the set duration at place is more than default threshold
When value, the frequency point in first network received when the terminal is in the second network to the terminal is measured, and
Multiple frequency point informations that measurement is obtained are as the second frequency point collection information
First frequency point information of preservation is updated to second frequency point information.
On the basis of second aspect, optionally, the processing unit is at the end of voice service, based on newest preservation
When first frequency point collection information FR is to the first network, it is specifically used for:
At the end of voice service, determine to meet preset condition in the first frequency point collection information of newest preservation
Frequency point, and attempt quickly to fall after rise FR to the first network based on the frequency point determined.
On the basis of second aspect, optionally, the signal intensity difference is signal quality variation difference or signal electricity
Flat variation difference.
The third aspect provides a kind of terminal, including
Memory is stored with program instruction in the memory；
At least one processor, for executing described program instruction；
Described program instructs
When being linked into the first network for not supporting voice service, the multiple frequencies measured under the first network will be in
Point information is as the first frequency point collection information preservation；
When needing to initiate voice service, retracted based on CSFB mode to the second network for supporting voice service, and in institute
State the change information obtained in the second network for characterizing the terminal location variation；
When the change information meets and imposes a condition, the terminal is received when the terminal is in the second network
To first network in frequency point measure, and the first frequency point collection information is carried out more based on the obtained result of measurement
Newly；
At the end of voice service, the first frequency point collection information FR based on newest preservation to the first network.
There is provided a kind of scheme for quickly falling network after rise in the embodiment of the present invention, this method, which is terminal, does not support language being linked into
When the first network of sound business, the multiple frequency point informations measured under first network are protected as the first frequency point collection information
It deposits；It when needing to initiate voice service, retracts to the second network for supporting voice service, and obtains be used for table in the second network
Levy the change information of the terminal location variation；When the change information meets and imposes a condition, to the first network received
In frequency point measure, the first frequency point collection information is updated；At the end of voice service, based on newest preservation first
FR is to first network for frequency point collection information, in such manner, it is possible to which frequency point belonging to voice service release areas is avoided to be not included in former terminal
The problem of causing FR to fail in the frequency point of memory, improves autonomous FR performance；Avoid terminal frequent during carrying out voice service
The measurement for initiating the subdistrict frequency point of first network, reduces the consumption of terminal power.
Detailed description of the invention
Fig. 1 be in the prior art a kind of FR to LTE network process schematic；
Fig. 2 be in the prior art a kind of FR to LTE network process schematic；
Fig. 3 is the signaling process figure that terminal initiates CSFB caller；
Fig. 4 is the signaling process figure that terminal receives CSFB caller；
Fig. 5 is the method flow diagram for quickly falling network in the embodiment of the present invention after rise；
Fig. 6 is the method flow diagram for quickly falling LTE network in the embodiment of the present invention after rise from 2G/3G network；
Fig. 7 is the apparatus structure schematic diagram for quickly falling network in the embodiment of the present invention after rise；
Fig. 8 is the terminal structure schematic diagram in the 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 only a part of the embodiments of the present invention, is not whole embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method and device for quickly falling network after rise, to solve existing CSFB voice communication
At the end of, the problem of it is larger to fall probability of failure when to LIE network after rise, autonomous FR degraded performance.Wherein, method and apparatus are to be based on
Same inventive concept, since the principle that method and device solves the problems, such as is similar, the implementation of apparatus and method can be mutual
Referring to overlaps will not be repeated.
Detailed description of embodiments of the present invention with reference to the accompanying drawing.
By taking LTE system as an example, LTE is mono- after terminal is attached to LTE network, resides in LTE network, can not transmission circuit domain
Service signal, in order to enable terminal the CS industry such as can initiate the CS such as voice business and receive voice under LTE network access
The paging of business, using CSFB technology, i.e., for the terminal under LTE network covering when handling voice service, terminal first return back to the domain CS
Network returns again to LTE network after the domain CS network processes voice service, service ending.Detailed process is seen shown in Fig. 3.
The signaling process figure that terminal initiates CSFB caller is shown referring to Fig. 3, Fig. 3.
S31: terminal is sent by eNodeB to MME (Mobility Management Entity, mobile management entity)
ESR (request of Extended Service Request expansion service) message is indicated comprising CSFB in the ESR message.
After S32:MME receives ESR message, S1-AP (S1Application Protocol, S1 application is sent to eNodeB
Layer protocol) request message to eNodeB, comprising CS Fallback Indicator (circuit domain retract instruction) in the message, uses
In instruction eNodeB, terminal needs to fall back to UTRAN (Evolved Universal because of CS Fallback business
Terrestrial Radio Access Network, the universal terrestrial access network of evolution)/GERAN (SM EDGE
Radio Access Network, GSM (Global System for Mobile communication, global mobile communication
System)/EDGE (Enhanced Data Rate for GSM Evolution, enhanced data rates for gsm evolution technology) nothing
Line access).
S33:eNodeB sends RRC (Radio Resource Control, wireless heterogeneous networks) Connection Release to terminal
Message, it is desirable that terminal starts the cell measurement of different system, and obtains the measurement report that terminal reports, and determines the target system redirected
System cell.Then the specific radio configuration information of goal systems is sent to terminal, and discharges RRC connection.
S34: terminal accesses target system cells, initiates the CM service request (CM (Connection in the domain CS
Management, connection management) service request).
S35: if target system cells ownership MSC (Mobile Switching Center, mobile switching centre) with
Terminal adheres to the MSC difference registered when EPS (Evolved Packet System, the grouping system of evolution) network, then the MSC
When receiving the CM service request of terminal, due to the information without the terminal, implicit location more new technological process can be taken,
Receive user's request.If MSC does not support implicit location to update, and MSC does not have user data (i.e. service MSC and EPS/IMSI
(International Mobile Subscriber Identification Number, international mobile subscriber identity) is stepped on
The MSC of note is different), then refuse the CM service request of the user.If the CM service of MSC refusal user
Request will lead to terminal and initiate the domain a CS position update flow.
The domain S36:CS audio call Establishing process.
Referring to fig. 4, Fig. 4 show terminal and receives the called signaling process figure of CSFB.
After S41:MSC receives the IAM (Initial Address Message, initial address message) of calling terminal transmission,
According to existing SGs association and MME information, paging request message is sent, such as sends SGsAP-PAGING-REQUEST message
(carry IMSI, TMSI (Temporary Mobile Subscriber Identity, interim identity), Service
Indicator (service instruction), calling number, location area information) message is to MME.
S42:MME sends Paging (paging) message and initiates the Paging process eated dishes without rice or wine to eNodeB, eNodeB.
S43: terminal establishes connection and sends ESR message to MME.
S44:MME sends SGsAP-SERVICE-REQUEST message to MSC.MSC receives this message, no longer retransmits to MME
Paging request message.To avoid in call-connection process, the calling terminal waiting time is too long, and MSC is received to be indicated comprising Idle state
SGs Service Request message, first notify calling terminal, call just in handshaking procedure.
S45:MME sends Initial UE Context Setup (foundation of initial terminal context) message to eNodeB,
It include CS Fallback Indicator in the message.It is used to indicate eNodeB, terminal needs back because of CS Fallback business
Fall on UTRAN/GERAN.
S46: terminal is switched to UTRAN/GERAN from E-UTRAN.
S47: along with eating dishes without rice or wine, A/Iu-CS interface establishment of connection, terminal returns to paging response, and (paging is rung
Answer) message is to MSC.Even if RNC did not initiate paging request to the terminal, RNC here needs the paging of energy processing terminal
Response.If (Visitor Location Register, vision location are posted for location area information and VLR in page-response message
Storage) in save it is inconsistent, then VLR after authenticate successfully by SGs be associated be set to NULL (sky).
After S48:MSC receives the page-response message of terminal, cuts off page response timer and establish CS connection.
The embodiment of the present invention apply retracted in terminal by CSFB carry out voice service to the domain CS after autonomous FR to LTE network
Scene under, after CSFB in voice call process obtain terminal change in location information, the change in location information based on terminal
Determine whether to trigger the measurement to LTE frequency point, promote the validity of frequency point measurement, reduces unnecessary, frequent LTE frequency point
Measurement, promotes the rapidity and accuracy of autonomous FR to LTE network, is further reduced terminal power consumption.
Shown in Figure 5, Fig. 5 is the method flow diagram for quickly falling network in the embodiment of the present invention after rise, detailed process are as follows:
Step 500: terminal will be surveyed when being linked into the first network for not supporting voice service under the first network
The multiple frequency point informations measured are as the first frequency point collection information preservation.
Optionally, the first network is LTE network.
Step 501: the terminal is retracted based on CSFB mode to support voice service when needing to initiate voice service
Second network, and the change information changed for characterizing the terminal location is obtained in second network.
Optionally, second network is UTRAN network or GERAN network.
The change information includes: the information that cell switching occurs for the terminal；And/or the service where the terminal is small
The signal intensity difference of area within the set duration.Wherein, the signal intensity difference is signal quality variation difference or signal electricity
Flat variation difference.
Step 502: the terminal is in the second network when the change information meets and imposes a condition in the terminal
When first network that the terminal is received in frequency point measure, and the result obtained based on measurement is to first frequency
Point set information is updated.
Specifically, the terminal is when change information meets and imposes a condition, when the terminal is in the second network pair
The frequency point in first network that the terminal receives measures, and based on the obtained result of measurement to the first frequency point collection
Information is updated, detailed process are as follows:
The terminal is when occurring cell switching or the serving cell signal intensity difference within the set duration at place is super
When crossing preset threshold, the frequency point in first network received when the terminal is in the second network to the terminal is carried out
Measurement, and multiple frequency point informations that measurement is obtained are as the second frequency point collection information
First frequency point information of preservation is updated to second frequency point information by the terminal.
Step 503: for the terminal at the end of voice service, the first frequency point collection information FR based on newest preservation is described in
First network.
Specifically, the terminal, at the end of voice service, the first frequency point collection information based on newest preservation is quickly fallen after rise
FR is to the first network, detailed process are as follows:
The terminal is determined to meet pre- at the end of voice service in the first frequency point collection information of newest preservation
If the frequency point of condition, and FR is attempted to the first network based on the frequency point determined.
In the present embodiment, terminal is after from first network CSFB to the second network, passes through cell switching or pilot signal
Signal intensity difference judges whether terminal has occurred large-scale change in location, opens when large-scale change in location has occurred
The frequency point measurement of dynamic first network, and the frequency point information for the first network that terminal saves is updated, guarantee terminal most as far as possible
The frequency point information of the first network newly saved is consistent with the terminal subdistrict frequency point of first network locating when voice service discharges
Or it is close, the subdistrict frequency point for avoiding the occurrence of first network belonging to voice service release areas is not included in the first of terminal memory
The problem of causing FR to fail when in the frequency point of network；Terminal is avoided frequently to initiate first network during carrying out voice service
The measurement of subdistrict frequency point reduces the consumption of terminal power, especially remains stationary in communication process as user or by a small margin
When mobile；Even if the air time is very short after terminal CSFB or very short time discharges extremely, have little time to carry out first network
Frequency point measurement, the frequency point information of the previously stored first network of CSFB can still be autonomous FR and trigger FR to first network；It avoids
The frequency point number of the first network of terminal accumulation memory is excessive, shortens frequency sweep process, increases the autonomous FR probability of success；Be conducive to reduce
Voice service process carries out data service simultaneously, and the data traffic quality introduced during measuring because of the frequency point of first network reduces general
Rate.
Below using first network as LTE network, the second network is that (the second generation, the second generation are mobile by 2G
The communication technology) it is described in detail for network or 3G (the third generation, 3rd generation mobile communication technology) network
The method of quick falling network in Fig. 5, detailed process is with reference to shown in Fig. 6.
Step 61: terminal is big by reference signal level or quality by the LTE frequency point information of measurement when LTE cell is resident
Small sequence (can use N number of, N is positive integer) is simultaneously saved as the first LTE frequency point collection information.
Step 62: when terminal initiates CSFB calling procedure, terminal sends MME of the ESR message to network side, the ESR message
In comprising CSFB indicate, triggering network side initiate CSFB Service Request (CSFB service request) process, make terminal return
It falls on 2G or 3G cell and carries out voice service.
Step 63: terminal obtains the change information for characterizing the terminal location variation in voice call process.
Specifically, terminal judges whether to have occurred cell switching, (connected state lower network controlling terminal enters from a cell
The behavior of another cell), or currently it is resident whether pilot signal variation difference measured under 2G or 3G serving cell surpasses
Preset value is crossed, judges whether terminal has carried out large-scale change in location with this, to decide whether the reference of initiation LTE frequency point
Signal measurement.
In a kind of optional embodiment, signal intensity difference is more than being sentenced by following procedure for predetermined threshold value
It is disconnected:
S1, the pilot signal level value measured in 2G or 3G voice call process or mass value are returned to based on terminal, in Δ T
(such as 3 pilot signal measurement durations in total) averages in the period；
S2, basic anchor point value M1 is used as based on above-mentioned average value, and set a certain as the threshold value compared
Threshold, if the difference between measured signal mass M and basic anchor point value M1 is always more than equal to the ratio within the Δ t time
Compared with threshold value threshold, then start the reference signal measurement to LTE frequency point immediately；
After the reference signal measurement of S3, LTE frequency point start, above-mentioned basis anchor point value M1 is re-measured and is calculated, in repetition
State the judgement process of S1-S2.
Step 64: if terminal judges that cell switching has occurred in communication process, thening follow the steps 66；Otherwise, continue
Execute step 63.
Step 65: if the signal intensity difference of the pilot signal of terminal measurement has been more than preset threshold value, executing
Step 66；Otherwise, step 63 is continued to execute.
Step 66: starting and the reference signal of LTE frequency point is measured, the LTE frequency point information of measurement is pressed into reference signal level
Or it quality size order (can use N number of, N is positive integer) and is saved as the second LTE frequency point collection information.
Step 67: above-mentioned second LTE frequency point collection information is compared with the first LTE frequency point information saved before this, if
Unanimously, then step 69 is continued to execute without updating；If inconsistent, step 68. is executed
Step 68: the first LTE frequency point information of preservation is updated as the 2nd LIE frequency point collection information.
Step 69: at the end of voice service, first LTE frequency point collection information of the terminal based on newest preservation decides whether to send out
It plays autonomous FR process and returns to LTE network, if initiating FR process, issue CHANNEL_RELEASE (channel release) in base station
After message (release 2G or 3G channel), the first LTE frequency point collection information of newest preservation is preferentially utilized, first search or return to this
In the cell of a little LTE frequency points.Terminal memory is not included in avoid the occurrence of the affiliated LTE cell of voice service release areas
The problem of causing FR to fail in LTE frequency point, avoids terminal in the survey for carrying out frequently initiating LTE subdistrict frequency point during voice service
Amount, reduces the consumption of terminal power.
The method of the quick falling network provided based on the above embodiment, refering to what is shown in Fig. 7, the embodiment of the present invention provides one
Kind quickly falls the device 700 of network after rise, which is applied to terminal, and Fig. 7 show device provided in an embodiment of the present invention
700 structural schematic diagram, as shown in fig. 7, the device 700 includes storage unit 701, acquiring unit 702,703 and of measuring unit
Processing unit 704, in which:
Storage unit 701, for the first network will to be in when being linked into the first network for not supporting voice service
Under multiple frequency point informations for measuring as the first frequency point collection information preservation；
Acquiring unit 702, for being retracted to support voice service based on CSFB mode when needing to initiate voice service
Second network, and the change information changed for characterizing the terminal location is obtained in second network；
Measuring unit 703, for being in the second network in the terminal when the change information meets and imposes a condition
When first network that the terminal is received in frequency point measure, and the result obtained based on measurement is to first frequency
Point set information is updated；
Processing unit 704, at the end of voice service, the first frequency point collection information FR based on newest preservation to be described in
First network.
Optionally, the change information includes:
The information of cell switching occurs for the terminal；And/or
The signal intensity difference of serving cell within the set duration where the terminal.
Optionally, the measuring unit 703 is in the second network in the terminal when change information meets and imposes a condition
The frequency point in first network received when middle to the terminal measures, and based on the obtained result of measurement to described first
When frequency point collection information is updated, it is specifically used for:
When cell switching occurs or the serving cell signal intensity difference within the set duration at place is more than default threshold
When value, the frequency point in first network received when the terminal is in the second network to the terminal is measured, and
Multiple frequency point informations that measurement is obtained are as the second frequency point collection information.
First frequency point information of preservation is updated to second frequency point information.
Optionally, for the processing unit 704 at the end of voice service, the first frequency point collection information based on newest preservation is fast
When speed falls FR after rise to the first network, it is specifically used for:
At the end of voice service, determine to meet preset condition in the first frequency point collection information of newest preservation
Frequency point, and attempt quickly to fall after rise FR to the first network based on the frequency point determined.
Optionally, the signal intensity difference is signal quality variation difference or signal level variation difference.
The above-mentioned device 700 being related to of the embodiment of the present invention, can be independent component, is also possible to be integrated in other component
In, such as above-mentioned apparatus provided in an embodiment of the present invention 700 can be the terminal in existing communication network, be also possible to be integrated in
Component in terminal.
It should be noted that the function of each unit of the device 700 in the embodiment of the present invention is realized and interactive mode
Can be with further reference to the description of related method embodiment, details are not described herein.
In addition, above each " unit " can pass through application-specific integrated circuit (application-specific
Integrated circuit, ASIC), the processor and memory of one or more softwares or firmware program are executed, it is integrated to patrol
The device of above-mentioned function can be provided to realize by collecting circuit and/or other.
Based on the same inventive concept, refering to what is shown in Fig. 8, the embodiment of the present invention provides a kind of terminal 800, Fig. 8 show this
The structural schematic diagram for the terminal 800 that inventive embodiments provide, as shown in figure 8, terminal 800 includes processor 801 and memory
802, the program code for executing the present invention program is stored in memory 802, and execution is controlled by processor 801.
The program stored in memory 802 executes the method for quickly falling network after rise for instruction processing unit 801, comprising:
When terminal is linked into the first network for not supporting voice service, the multiple frequency point informations measured under the first network will be in
As the first frequency point collection information preservation in the memory 802；When terminal needs to initiate voice service, it is based on CSFB mode
It retracts to the second network for supporting voice service, and obtains in second network for characterizing the terminal location variation
Change information；When the change information meets and imposes a condition, the terminal is connect when the terminal is in the second network
The frequency point in first network received measures, and the result obtained based on measurement carries out more the first frequency point collection information
Newly；At the end of voice service, the first frequency point collection information FR based on newest preservation to the first network.
Optionally, the change information includes:
The information of cell switching occurs for the terminal；And/or
The signal intensity difference of serving cell within the set duration where the terminal.
Optionally, the processor, is specifically used for:
When cell switching occurs or the serving cell signal intensity difference within the set duration at place is more than default threshold
When value, the frequency point in first network received when the terminal is in the second network to the terminal is measured, and
Multiple frequency point informations that measurement is obtained are as the second frequency point collection information
First frequency point information of preservation is updated to second frequency point information.
Optionally, the processor, is specifically used for:
At the end of voice service, determine to meet preset condition in the first frequency point collection information of newest preservation
Frequency point, and FR is attempted to the first network based on the frequency point determined.
It is understood that the terminal 800 of the present embodiment can be used for realizing terminal involved in above method embodiment Fig. 5
Institute is functional, and specific implementation process is referred to the associated description that terminal in above method embodiment executes method, herein not
It repeats again.
It is understood that processor 801 involved in the above-mentioned terminal 800 of the embodiment of the present invention can be one it is general in
Central processor (CPU), microprocessor, application-specific integrated circuit, or one or more are held for controlling the present invention program program
Capable integrated circuit.The one or more memories for including in computer system, can be read-only memory (read-only
Memory, ROM) or can store the other kinds of static storage device of static information and instruction, random access memory
(random access memory, RAM) or the other kinds of dynamic memory that can store information and instruction, can also be with
It is magnetic disk storage.These memories are connected by bus with processor.
Memory 802 preserves operating system and executes the program of the present invention program such as RAM.Operating system is for controlling
Make the operation of other programs, the program of management system resource.
These memories 802 can be connected by bus with processor 801, or can also pass through special connecting line
It is connect respectively with processor 801.
By being designed programming to processor 801, by code corresponding to method shown in Fig. 5 of the embodiment of the present invention
It is cured in chip, so that chip be made to be able to carry out method shown in fig. 5 at runtime.How processor 801 is designed
It is programmed for technology known in those skilled in the art, which is not described herein again.
In conclusion terminal will be in when being linked into the first network for not supporting voice service in the embodiment of the present invention
The multiple frequency point informations measured under first network are as the first frequency point collection information preservation；When needing to initiate voice service, return
The second network for supporting voice service is retreated to, and obtains the variation letter for characterizing the terminal location variation in the second network
Breath；When the change information meets and imposes a condition, the frequency point in the first network received is measured, to the first frequency point
Collection information is updated；At the end of voice service, the first frequency point collection information FR based on newest preservation to first network, this
Sample, can be avoided frequency point belonging to voice service release areas and be not included in the frequency point that former terminal is remembered leads to asking for FR failure
Topic, improves autonomous FR performance.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of method for quickly falling network after rise characterized by comprising
Terminal will be in the multiple frequencies measured under the first network when being linked into the first network for not supporting voice service
Point information is as the first frequency point collection information preservation；
The terminal is retracted based on circuit domain rollback CSFB mode to supporting the of voice service when needing to initiate voice service
Two networks, and the change information changed for characterizing the terminal location is obtained in second network；
The terminal is when occurring cell switching or the serving cell signal intensity difference within the set duration at place is more than pre-
If when threshold value, the frequency point in first network received when the terminal is in the second network to the terminal is surveyed
Amount, and multiple frequency point informations that measurement is obtained are as the second frequency point collection information；
First frequency point information of preservation is updated to second frequency point information by the terminal；
For the terminal at the end of voice service, the first frequency point collection information based on newest preservation quickly falls FR after rise to described first
Network.
2. the method as described in claim 1, which is characterized in that the terminal is based on newest preservation at the end of voice service
The first frequency point collection information FR to the first network, comprising:
The terminal is determined to meet default item at the end of voice service in the first frequency point collection information of newest preservation
The frequency point of part, and FR is attempted to the first network based on the frequency point determined.
3. the method as described in claim 1, which is characterized in that the signal intensity difference is signal quality variation difference or letter
Number level change difference.
4. a kind of device for quickly falling network after rise, which is characterized in that be applied to terminal, comprising:
Storage unit, for that will be measured under the first network when being linked into the first network for not supporting voice service
The multiple frequency point informations arrived are as the first frequency point collection information preservation；
Acquiring unit, for being retracted to support voice industry based on circuit domain rollback CSFB mode when needing to initiate voice service
Second network of business, and the change information changed for characterizing the terminal location is obtained in second network；
Measuring unit, for when cell switching occurs or the serving cell signal intensity difference within the set duration at place is super
When crossing preset threshold, the frequency point in first network received when the terminal is in the second network to the terminal is carried out
Measurement, and multiple frequency point informations that measurement is obtained are as the second frequency point collection information；More by first frequency point information of preservation
It is newly second frequency point information；
Processing unit, at the end of voice service, the first frequency point collection information based on newest preservation quickly to fall FR after rise to institute
State first network.
5. device as claimed in claim 4, which is characterized in that the processing unit is at the end of voice service, based on newest
When the first frequency point collection information FR saved is to the first network, it is specifically used for:
At the end of voice service, the frequency for meeting preset condition is determined in the first frequency point collection information of newest preservation
Point, and FR is attempted to the first network based on the frequency point determined.
6. device as claimed in claim 4, which is characterized in that the signal intensity difference is signal quality variation difference or letter
Number level change difference.
7. a kind of terminal, which is characterized in that including
Memory is stored with program instruction in the memory；
At least one processor, for executing described program instruction；
Described program instructs
When being linked into the first network for not supporting voice service, the multiple frequency points measured under the first network are believed
Breath is used as the first frequency point collection information preservation；
When needing to initiate voice service, retracted based on circuit domain rollback CSFB mode to the second network for supporting voice service,
And the change information changed for characterizing the terminal location is obtained in second network；
When cell switching occurs or when the serving cell signal intensity difference within the set duration at place is more than preset threshold,
The frequency point in first network received when the terminal is in the second network to the terminal measures, and will measurement
Obtained multiple frequency point informations are as the second frequency point collection information；First frequency point information of preservation is updated to second frequency
Point information；
At the end of voice service, the first frequency point collection information based on newest preservation quickly falls FR after rise to the first network.
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| CN201610329694.2A CN105898812B (en) | 2016-05-18 | 2016-05-18 | A kind of method and device of quick falling network |
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| CN201610329694.2A CN105898812B (en) | 2016-05-18 | 2016-05-18 | A kind of method and device of quick falling network |
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| CN105898812B true CN105898812B (en) | 2019-08-20 |
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| CN108235391A (en) * | 2017-12-18 | 2018-06-29 | 深圳天珑无线科技有限公司 | The method of mobile terminal and its handover network, storage device |
| CN110351796B (en) * | 2018-04-08 | 2023-06-16 | 维沃移动通信有限公司 | Method, terminal and network unit for interoperation between networks |
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| CN110167048B (en) * | 2019-05-23 | 2022-03-04 | 中国联合网络通信集团有限公司 | Communication method and system, base station and mobile switching center |
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