CN103313338B - The method and device of cell reselection - Google Patents
The method and device of cell reselection Download PDFInfo
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- CN103313338B CN103313338B CN201210068220.9A CN201210068220A CN103313338B CN 103313338 B CN103313338 B CN 103313338B CN 201210068220 A CN201210068220 A CN 201210068220A CN 103313338 B CN103313338 B CN 103313338B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of method and devices of cell reselection, wherein this method includes：The positioning position information of itself that network side receiving mobile is obtained by GPS functions；The mobile station needs the set of the adjacent cell of the serving cell monitored when network side is determined according to the location information of the positioning position information and the affiliated serving cell of mobile station for cell reselection, and the set of determining adjacent cell is sent to mobile station, to carry out cell reselection.Through the invention, it solves the problems, such as that mobile station power consumption in cell reselection is larger in the related technology, service quality is low, reduces the quantity for the adjacent cell for needing to monitor, reduce power consumption of the mobile station in cell reselection.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of method and device of cell reselection.
Background technology
Cell reselection be mobile station reselected caused by shift in position, signal intensity etc. at the idling mode service it is small
The process in area.On the one hand, the adjacent cell of mobile station periodic monitoring serving cell in an idle state, to judge it is small whether it meets
Area's reselection criteria, still, with increasing for monitoring cell, the power consumption of mobile station can accordingly increase；On the other hand, mobile station is fast
When speed movement causes to be switched to another cell from a cell, quick, reliable switching is needed, ensures service quality.
A kind of measurement result is disclosed in the related art to report and the scheme of cell switching, is related to 3G (Third Generation) Moblie
Technology applies the method that a kind of measurement under user terminal fast motion scenes reports and based on the report method that measures
Cell switching method and system, for solving the problems, such as that user terminal can not achieve accurate switching under fast moving scenes.Base
It stands and measures the movement speed of UE in institute coverage cell and RNC is reported to by measurement report, RNC is according to the user terminal reported
Movement speed adjudicates whether the user terminal switches to new cell.As it can be seen that the program uses base station in institute coverage cell
Mobile station carries out tachometric survey, still can not solve the problems, such as that power consumption is larger when mobile station cell reselection, service quality is low.
A kind of reporting positioning survey method and system are also disclosed in the related art, and wherein this method includes：Start empty
The positioning measurement of terminal under not busy pattern；Terminal under idle state sends location measurement information, location measurement information to base station
It carries in the request message for being initially accessed at random.Reporting positioning survey system includes：Base station, for what is sent to terminal
Response message and ascending resource assignation message；Terminal, for being initially accessed with base station after terminal starts positioning measurement, and
The request message for carrying location measurement information is sent to base station.As it can be seen that the program is pertained only to location measurement information on base station
The method of report, the method for also how reducing power consumption without providing mobile station in cell reselection, improving service quality.
Invention content
The problem that power consumption is larger in cell reselection, service quality is low for mobile station in the related technology, the present invention provide
A kind of scheme of cell reselection, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of method of cell reselection, including：Network side receiving mobile is logical
Cross the positioning position information of itself of GPS functions acquisition；The network side is according to the positioning position information and the mobile station
The neighbour of the location information of the affiliated serving cell serving cell that the mobile station needs monitor when determining for cell reselection
The set of cell, and the set of the determining adjacent cell is sent to the mobile station, to carry out the cell reselection.
Preferably, the network side is believed according to the position of the positioning position information and the affiliated serving cell of the mobile station
The mobile station needs the set of the adjacent cell of the serving cell monitored to include when breath is determined for cell reselection：The net
Network lateral root determined according to the location information of the positioning position information and the serving cell in the adjacent cell of the serving cell with
The farthest cell set of the location of mobile station, and exclusion is farthest with the location of mobile station from the adjacent cell of the serving cell
Cell set, the mobile station needs the set of the adjacent cell of the serving cell monitored when obtaining the cell reselection.
Preferably, the cell set farthest with the location of mobile station is excluded from the adjacent cell of the serving cell includes：
The cell that and signal strength farthest with the location of mobile station is less than predetermined threshold is excluded from the adjacent cell of the serving cell
Collection, wherein the signal strength of the adjacent cell is reported by the mobile station.
Preferably, the network side receives the positioning position information packet of itself that the mobile station is obtained by GPS functions
It includes：The network side is obtained according to mobile station described in preset frequency periodic receipt by simple GPS modes or AGPS modes
The positioning position information of itself, wherein the positioning position information includes location coordinate information.
Preferably, the network side is believed according to the position of the positioning position information and the affiliated serving cell of the mobile station
Before the set of the adjacent cell of the breath serving cell that the mobile station needs monitor when determining for cell reselection, also wrap
It includes：The network side is according to the positioning position information of the mobile station received or by the acceleration in the mobile station
Sensor obtains the current movement velocity of the mobile station；When the current movement velocity of the mobile station is less than predetermined threshold,
The network side notifies the mobile station to report the motion state of the mobile station in specified time, and according to the specified time
The motion state of the interior mobile station adjusts the mobile station and reports situation to the positioning position information.
Preferably, the mobile station is adjusted to the positioning according to the motion state of the mobile station in the specified time
The situation that reports of location information includes：When the motion state of the mobile station is static, the network side stops the movement
Platform reports the positioning position information, and the fortune of the mobile station that the acceleration transducer in the mobile station reports
When dynamic state is movement, then restarts the mobile station and the periodicity of the positioning position information is reported.
Preferably, the network side receive the positioning position information of itself that the mobile station is obtained by GPS functions it
Before, further include：The network side reads the positioning function mark being arranged in the mobile station memory, wherein the positioning
Whether the GPS positioning function that Function Identification is used to indicate the mobile station currently can be used.
Preferably, the network side receive the positioning position information of itself that the mobile station is obtained by GPS functions it
Before, further include：Laterally the mobile station is sent for starting the instruction message for reporting the positioning position information network.
Preferably, the network side receive the positioning position information of itself that the mobile station is obtained by GPS functions it
Before, further include：The network side receives the request message for reporting the positioning position information that the mobile station is sent；The net
Network lateral root determines the function of itself supporting that the mobile station reports the positioning position information according to the request message, and to described
Mobile station sends the response message of the request message, to notify the mobile station to report the positioning position information.
According to another aspect of the present invention, a kind of device of cell reselection is provided, is located in network side, including：It receives
Module, the positioning position information of itself obtained by GPS functions for receiving mobile；Determining module, for according to
The mobile station need to when determining for cell reselection for the location information of positioning position information and the affiliated serving cell of the mobile station
The set of the adjacent cell for the serving cell to be monitored；Sending module, the neighbour for determining the determining module are small
The set in area is sent to the mobile station, to carry out the cell reselection.
Through the invention, the mobile station positioning position information of itself that network side is reported according to mobile station, determination are used for
The mobile station needs the set of the adjacent cell of the serving cell monitored when cell reselection, and the set of determining adjacent cell is sent
To mobile station, so that mobile station can monitor the neighbour determined according to the positioning position information of itself when carrying out cell reselection
The set of cell solves the problems, such as that mobile station power consumption in cell reselection is larger in the related technology, service quality is low, reduces
The quantity of adjacent cell monitored is needed, power consumption of the mobile station in cell reselection is reduced.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of residence reselecting according to the ... of the embodiment of the present invention；
Fig. 2 is the structure diagram of the device of cell reselection according to the ... of the embodiment of the present invention；
Fig. 3 is the Booting sequence figure of according to embodiments of the present invention two residence reselecting；
Fig. 4 is the period modulation flow chart of according to embodiments of the present invention two residence reselecting.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of method of cell reselection is present embodiments provided, Fig. 1 is residence reselecting according to the ... of the embodiment of the present invention
Flow chart, as shown in Figure 1, this method comprises the following steps：
Step S102, the positioning position information of itself that network side receiving mobile is obtained by GPS functions；
Step S104, network side are determined according to the location information of the positioning position information and the affiliated serving cell of mobile station and are used
The mobile station needs the set of the adjacent cell of the serving cell monitored when cell reselection, and the set of determining adjacent cell is sent out
Mobile station is given, to carry out cell reselection.
The present embodiment through the above steps, the sprocket bit confidence of mobile station itself that network side is reported according to mobile station
Breath, the mobile station needs the set of the adjacent cell of the serving cell monitored when determining for cell reselection, and determining neighbour is small
The set in area is sent to mobile station, so that mobile station can monitor the position location according to itself when carrying out cell reselection
The set for the adjacent cell that information determines reduces the quantity for the adjacent cell for needing to monitor, reduces mobile station in cell reselection
Power consumption, solve the problems, such as that mobile station power consumption in cell reselection is larger in the related technology, service quality is low.
Preferably, in step S104, network side can be true according to the location information of positioning position information and serving cell
Determine cell set farthest with location of mobile station in the adjacent cell of serving cell, and is excluded and movement from the adjacent cell of serving cell
The farthest cell set in platform position, mobile station needs the set of the adjacent cell of the serving cell monitored when obtaining cell reselection.Pass through
This mode, since the adjacent cell of monitoring is the cell closer with mobile station present position determined according to positioning position information,
Therefore enable to switching of the mobile station in cell reselection more fast and reliable.The shape fast moved is especially in mobile station
When state, network side can also be inferred to the moving direction and movement speed of mobile station according to the positioning position information of mobile station, from
And notify that other cells on the moving direction are that mobile station carries out resource reservation.
In implementation process, it is contemplated that although some adjacent cells apart from mobile station farther out, signal quality is preferable, therefore
It, can be from the adjacent cell of serving cell when excluding the cell set farthest with location of mobile station in the adjacent cell from serving cell
Exclude the cell set that and signal strength farthest with location of mobile station is less than predetermined threshold, wherein the signal strength of adjacent cell can be with
It is reported by mobile station.For example, mobile station can be by mobile network's signaling by the reporting signal strength to network side, here
Signal strength refer to signal strength of the moving table measuring to each adjacent cell.In this way, mobile station is remained in cell
It adjusts the distance when gravity treatment farther out but the monitoring of the good adjacent cell of signal quality, improves switching reliability when cell reselection.
As a preferred implementation manner, in step s 102, network side can be determined with what periodic receipt mobile station reported
Position location information, for example, can be positioned by simple GPS modes or assisted global according to preset frequency periodic receipt mobile station
The sprocket bit confidence of itself that system (Assisted Global Positioning System, referred to as AGPS) mode obtains
Breath, wherein the positioning position information may include the location coordinate information of the mobile station.In this way, mobile station is upper
When reporting positioning position information, the positioning position information of itself can be obtained by pure GPS or AGPS according to corresponding frequency and gone forward side by side
Row reports, from without long lasting for using GPS functions to carry out positioning operation, reducing the power consumption of mobile station.
As a preferred implementation manner, before step S104, network side can be determined according to the mobile station received
Position location information obtains the current movement velocity of mobile station by the acceleration transducer in mobile station；It is current in mobile station
Movement velocity be less than predetermined threshold when, network side can notify mobile station to report the motion state of mobile station in specified time,
And situation is reported to positioning position information according to the motion state adjustment mobile station of mobile station in the specified time.For example, can
When mobile station is in a certain range and moves, the frequency that the mobile station reports positioning position information is reduced, so as to drop
The power consumption of low mobile station.
In implementation process, the mode that network side obtains the current movement velocity of mobile station according to positioning position information can be with
It is to obtain the time that the distance between position coordinates reported twice by mobile station report twice with this；Network side passes through movement
It can be the shifting obtained by the acceleration transducer that acceleration transducer on platform, which obtains the current movement velocity of mobile station,
The acceleration of dynamic platform is obtained with the traveling time of the mobile station.
After getting the current movement velocity of mobile station, if the motion state of mobile station is static, the movement
The positioning position information of platform will not change before moving again, therefore network side can stop the mobile station to sprocket bit
Confidence breath reports.At this point, mobile station can monitor whether the motion state of itself is changed by acceleration transducer,
When the motion state for the mobile station that acceleration transducer on a mobile station reports is movement, then mobile station is restarted to positioning
The periodicity of location information reports.In this way, it is possible to reduce the positioning operation of mobile station and report number of operations, drop
The power consumption of low mobile station.
In view of in some cases, such as when Network status is bad, the GPS positioning function of mobile station may fail,
At this time if still mobile station is required to report positioning position information, accurate mobile position estimation location information can not be obtained,
And the limited power resources of mobile station are wasted, as a preferred implementation manner, before step S102, network side can be read
The positioning function being arranged in mobile station memory is taken to identify, wherein positioning function identifies the GPS positioning for being used to indicate mobile station
Whether function currently can be used.In this way, network side can learn whether the current GPS positioning function of mobile station can be used,
To avoid reporting positioning position information when mobile station GPS function is unavailable, mobile station power consumption is reduced.
In view of user is possible to be not intended to report the positioning position information or certain cells or net of itself to network side
The method that network side may not support above-mentioned cell reselection can judge that opposite end is before step S102 by following two modes
No support residence reselecting：
Mode one：The lateral mobile station of network is sent for starting the instruction message for reporting positioning position information.By this
Mode, if correct response of the mobile station for the instruction message cannot be received, then it is assumed that mobile station does not support above-mentioned cell weight
Choosing method.
Mode two：The request message for reporting positioning position information that network side receiving mobile is sent；Network side is according to asking
It asks message to determine that itself supports mobile reports the function of positioning position information, and disappears to the response of mobile station transmission request message
Breath, to notify mobile station to report positioning position information.In this way, network side receive mobile station actively initiate it is above-mentioned
In the case of residence reselecting, response message is sent to mobile station, to notify that it is above-mentioned small that mobile station network side itself is supported
Area's reselecting method.
Corresponding to the above method, the present embodiment additionally provides a kind of device of cell reselection, which is located in network side,
For realizing above-described embodiment and preferred embodiment, repeating no more for explanation had been carried out.As used below, term
The combination of the software and/or hardware of predetermined function may be implemented in " module ".Although device is preferably described in following embodiment
It is realized with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
Fig. 2 is the structure diagram of the device of cell reselection according to the ... of the embodiment of the present invention, as shown in Fig. 2, the device includes：
Receiving module 22, determining module 24 and sending module 26.Modules are described in detail below.
Receiving module 22, the positioning position information of itself obtained by GPS functions for receiving mobile；Determining module
24, it is coupled with receiving module 22, is serviced belonging to the positioning position information and mobile station for being received according to receiving module 22
Mobile station needs the set of the adjacent cell of the serving cell monitored when the location information of cell is determined for cell reselection；Send mould
Block 26 is coupled with determining module 24, and the set of the adjacent cell for determining determining module 24 is sent to mobile station, to carry out
Cell reselection.
The mobile station that the present embodiment is reported by above-mentioned apparatus, network side according to the mobile station that receiving module 22 receives
The positioning position information of itself, the mobile station needs the serving cell monitored when being determined for cell reselection by determining module 24
Adjacent cell set, and the set of determining adjacent cell is sent to by mobile station by sending module 26, so that mobile
Platform can monitor the set of the adjacent cell determined according to the positioning position information of itself when carrying out cell reselection, reduce needs
The quantity of the adjacent cell of monitoring reduces power consumption of the mobile station in cell reselection, solve in the related technology mobile station small
The problem that power consumption is larger when area's gravity treatment, service quality is low.
It is illustrated with reference to preferred embodiment, embodiments discussed below combines above-described embodiment and its preferred implementation
Mode.
Embodiment one
This preferred embodiment provides the method that mobile station in the case of a kind of mobile communication application carries out cell reselection, passes through
Mobile station is set to obtain its current GPS positioning information, the GPS data that network side is reported according to mobile station confirms that mobile station is specifically sat
Cursor position and movement velocity, on the one hand, the quantity of mobile station monitoring adjacent cell is reduced, and by judging motion velocity of mobile station,
In the period for adjusting mobile station monitoring adjacent cell, accurately to carry out adjacent cell monitoring, while optimizing the stand-by power consumption of mobile station；It is another
Aspect, when judging that mobile station quickly moves, network side can predict movement by the location of mobile station and velocity information of acquisition
The possibility target serving district of platform, notice mobile station adjust its adjacent cell monitored, achieve the purpose that it is accurate, reliably switch.
In the residence reselecting of this preferred embodiment, mobile station obtains its specific location coordinate by its GPS function
Information；Then the location coordinate information is reported to network side by mobile station；Network side according to the location information of the mobile station, and
Base station position information near mobile station calculates mobile station and needs the set of cells monitored；Network side passes through the information
Message transmission of uniting is to mobile station；Mobile station carries out district monitoring using the monitoring set of cells for including in system message.
In the method, mobile station carries out the positioning of its position coordinates by its GPS function.Specific positioning method, can
To use simple GPS positioning；AGPS (Assisted Global Positioning System) mode can also be passed through.
Preferably, mobile station can actively be initiated to use the residence reselecting, then be confirmed whether to support by network side
This method, and return to confirmation result；Mobile station, with or without the use of this method, and prompts user's this method to be further according to the result
Whether no network support, this method have been turned on.
Preferably, network side can support the Mobile Origination of the cell of the reselecting method to open the cell reselection to entering
The request of method.Mobile station can be chosen whether to support the reselection modes in its application menu, be issued with response to network side
Open the request of the reselecting method.It can also select to open under the reselection modes in application menu, prompt the user whether out
Opening the reselection modes, it is desirable that user confirms, only in the case where user confirms agreement, opens the reselecting method, otherwise,
It is not turned on.
In this case, when mobile station is supported and opens the reselecting method, and network side in the case where user permits
And under conditions of respective service cell supports the reselecting method, which can be activated.After the reselecting method starts, move
Dynamic platform proceeds by position positioning operation, can use simple GPS positioning or AGPS localization methods.
Preferably, carry out positioning operation when state can show on a user interface, such as positioning, position successfully and
Positioning is unsuccessfully etc..
If positioned successfully, by the positioning position information report network side, network side can be first by the location information
It is compared with the registered subdistrict position of mobile station, to confirm whether the positioning position information that mobile station is reported to network side has
Effect, if it is valid, small according to the positioning position information, the location information of mobile station serving cell and serving cell neighbour
The location information in area calculates the set for the adjacent cell for needing mobile station to detect, this should be one using the reselecting method
Adjacent cell subset.The principle of the computational methods is to exclude cell that is farthest from location of mobile station and being reported by mobile station to believe
Number intensity is in most weak several cells.The corresponding adjacent cell BCCH channel informations of these adjacent cells are passed through system by network side again
Message is sent to mobile station (for example, mobile phone etc.).
If positioning failure, mobile station can be by the state reporting of positioning failure to network side, and network side can be certain
Again require that the mobile station carries out position positioning after time.
Preferably, if mobile station lost without serving cell or for some reason serving cell cause enter without service or
Limited service state is then cancelled by the position positioning operation that network side arrangement carries out before, after mobile station normal registration, by
Network side reinforms mobile station by its serving cell and carries out position positioning operation.
In the above-mentioned methods, the period that network side requires mobile station to carry out positioning operation can be fixed, can not also
It is fixed, it can also suspend under certain conditions, for example, pause carries out positioning operation when mobile station remains static.
Preferably, in the case where positioning successfully, network side can pass through the sprocket bit confidence of the mobile station obtained for several times
Breath determines the movement speed of mobile station, if the movement speed is less than a certain boundary, can reduce mobile station and carry out positional operand
The frequency of work, and the frequency of mobile station monitoring cell is reduced, to reduce mobile station power consumption.If it is judged that the mobile speed of mobile station
Degree is higher than a certain boundary, then can be moved according to the current speed of the mobile station, the direction of motion and current location, appropriate adjustment requirement
Dynamic platform reports the period of positioning position information, and adjusts the mobile station adjacent cell collection to be monitored.Network side can also pass through number
The positioning position information of secondary obtained mobile station determines that the position range of mobile station within the scope of certain position, then reduces movement
Platform carries out the frequency of positioning operation, and reduces the frequency of mobile station monitoring cell, to reduce mobile station power consumption.Network side can also
By the acceleration transducer in mobile station, the acceleration change situation of mobile station is obtained, determines mobile station whether in movement
In the middle, as that in movement, then can determine the movement of mobile station by the positioning position information of the mobile station obtained for several times
Speed, dynamic adjust the position location frequency of mobile station；It such as finds that mobile station remains static a period of time, shifting can be suspended
The position positioning operation of dynamic platform, until mobile station knows that mobile station has moved certain time by acceleration transducer, then to net
Network side reports the motion state, network side that can continue that mobile station is arranged to carry out position positioning operation.
Preferably, in the case where positioning failure, network side can require mobile station to carry out again after some time
Position positioning operation, if the continuous position positioning frequency of failure reaches certain value or position positioning failure ratio higher than certain ratio
, then network side can consider that mobile station is not suitable for using the residence reselecting at present：At this point, network side can extend movement
Platform carries out the period of position positioning operation；It can also directly abandon using the residence reselecting for the mobile station, and notify
User's residence reselecting has deactivated, until user is again started up the reselecting method manually；It is straight the mobile station can also to be directed to
It connects and abandons using the residence reselecting, and notify user that the residence reselecting has deactivated, until mobile station adding by it
Velocity sensor, which is learnt, has moved certain time, reinforms the motion state of network side mobile station, at this point, network side arranges again
Mobile station carries out position positioning operation.By the above measure, make mobile position estimation operating frequency to reduce to the greatest extent, reduces mobile station
Power consumption.
Further, since the above method is needed using the GPS functions in mobile station, it is possible to which starting for the first time in mobile station should
When residence reselecting, the normal GPS positioning of user's operation mobile station progress at least once is prompted, and the successful information is preserved
To the positioning function Status Flag in the memory (FLASH) of mobile station, and prompt user's residence reselecting that can start, and
Start the residence reselecting；Otherwise failure information is saved in the positioning function Status Flag in the FLASH of mobile station, and carried
Show that user's residence reselecting can not start, it is inactive state to keep the residence reselecting, and later, user needs again
Start the normal GPS positioning of residence reselecting progress at least once, just the successful information can be saved in mobile station
Positioning function Status Flag in FLASH, and prompt user's residence reselecting that can start, and start the cell reselection side
Method.
Preferably, after user enables the residence reselecting, network side is requiring mobile station progress position positioning operation
Before, the positioning function Status Flag that reading mobile station can be required, to judge whether that mobile station can be required to start the cell
Reselecting method.If the mobile position estimation functional status flag that network side obtains indicates that the mobile position estimation function is normal,
It can continue requirement mobile station and carry out position positioning operation；If the mobile position estimation functional status flag that network side obtains refers to
Show that the mobile position estimation function is abnormal, is then no longer required for mobile station and carries out position positioning operation.
Preferably, positioning function Status Flag be arranged to mobile position estimation function it is normal after, mobile station can record
The number of mobile station consecutive tracking failure, when the consecutive tracking frequency of failure reaches certain value, mobile station can consider its GPS
Positioning function may be abnormal, then removes positioning function Status Flag, indicates mobile position estimation dysfunction, closes the cell reselection
Method, and notify user's abnormality.User can attempt to open the residence reselecting manually again, until user's operation
Mobile station carries out normal GPS positioning at least once.
The residence reselecting that this preferred embodiment provides can effectively reduce in standby, and mobile station is monitored
The quantity of cell, while making mobile station no matter in stationary state or low, high speed motions, it can accurately determine adjacent small
Area, to realize fast and accurately cell reselection process.
Embodiment two
In the preferred embodiment, mobile station obtains its specific location coordinate information by its GPS function；Then mobile station
The location coordinate information is reported into network side；Network side is according to the base near the location information and mobile station of the mobile station
Station location information calculates mobile station and needs the set of cells monitored；The information is passed to shifting by network side by system message
Dynamic platform；Mobile station carries out district monitoring using the monitoring set of cells for including in system message.
Fig. 3 is the Booting sequence figure of according to embodiments of the present invention two residence reselecting, as shown in figure 3, the cell weight
The Booting sequence of choosing method is as follows：
Step S302, user's operation mobile station open this residence reselecting.
Step S304, mobile station start a GPS positioning process, if position fixing process success, enters step S306；Such as
Fruit positioning failure, then enter step S308.
Step S306 is arranged positioning function Status Flag, enters step S310.
Step S308 removes positioning function Status Flag, and user's residence reselecting is prompted to open failure, and enters
Step S302.
Step S310, after positioning function Status Flag successfully is arranged, mobile station notice network side starts to be used for
State residence reselecting.
Step S312, network side are initiated to read and be moved after receiving mobile station and beginning to use the request of this residence reselecting
Dynamic platform positioning function Status Flag.
Step S314 enters step S316 in the case that network side judges that above-mentioned mark is set；Network side judges the mark
In the case that will is eliminated, then notify that the residence reselecting starts failure to mobile station prompt user, and enter step S302.
Step S316, network side notify mobile station to carry out GPS positioning process.
Step S318, mobile station judge whether GPS positioning succeeds, if mobile station carries out GPS positioning success, enter step
S320；If positioning failure, enters step S324.
Step S320, the GPS positioning information that network side is reported according to mobile station determine mobile station adjacent cell collection, and should
Adjacent cell collection passes to mobile station.
Step S322, mobile station are monitored the adjacent cell collection.
Step S324 judges to position whether the frequency of failure reaches NF times, if the positioning frequency of failure is not up to NF times, net
Network side arranges after a certain period of time, to continue that mobile station is notified to carry out GPS positioning, enter step S316；If the positioning frequency of failure reaches
To NF times, network side notifies mobile station to remove positioning function Status Flag, and stops requiring the mobile station that GPS positioning is reported to believe
It ceases, after mobile station corresponding actions, prompts this residence reselecting of user to be closed, enter step S308.
Fig. 4 is the period modulation flow chart of according to embodiments of the present invention two residence reselecting, as shown in figure 4, this is small
The period modulation flow chart of area's reselecting method is as follows：
Step S402, network side obtain mobile position estimation location information.
Step S404, network side calculate motion velocity of mobile station.
Step S406, judges whether the motion velocity of mobile station is less than thresholding VL, when judging mobile station speed less than thresholding
When VL, S408 is entered step；Otherwise S410 is entered step.
Step S408, notice mobile station report the motion state in a period of time T1, enter step S412.
Step S410 still uses normal report cycle, and enters step S402.
Step S412, when judging that mobile station speed is less than thresholding VL, mobile station by acceleration sensor device thereon,
The mobile station motion conditions of itself in the T1 periods are sampled, such as judges itself to remain static, enters step S414；Otherwise
Enter step S416.
Step S414, for mobile station by the result report network side, network side stops reporting for the mobile station, and enters step
S418。
Step S416, reduces the location information report cycle of mobile station, and enters step S402.
Step S418, when mobile station because remaining static, when network side does not carry out reporting position request to it, the shifting
Dynamic platform can monitor the motion state of itself by acceleration transducer, when find in a period of time T2, be constantly in movement
When state, then report cycle is adjusted to normal report cycle, entered step by the report network side motion state, network side
S410；Otherwise, S414 is entered step.
The scheme provided by this preferred embodiment can effectively reduce in standby, and mobile station monitors small
The quantity in area, while making mobile station no matter in stationary state or low, high speed motions, it accurately determines adjacent cell, realizes
Fast and accurately cell reselection process.
It can be seen from the above description that through the embodiment of the present invention, the movement that network side is reported according to mobile station
The positioning position information of platform itself, the mobile station needs the collection of the adjacent cell of the serving cell monitored when determining for cell reselection
It closes, and the set of determining adjacent cell is sent to mobile station, so that mobile station can be monitored when carrying out cell reselection
According to the set for the adjacent cell that the positioning position information of itself determines, reduces the quantity for the adjacent cell for needing to monitor, reduce
Power consumption of the mobile station in cell reselection, solves that mobile station power consumption in cell reselection in the related technology is larger, service quality
Low problem.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply the technical solution described in example.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but not limited to CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of method of cell reselection, which is characterized in that including：
The positioning position information of itself that network side receiving mobile is obtained by global position system GPS function；
The network side is used for according to the determination of the location information of the positioning position information and the affiliated serving cell of the mobile station
The mobile station needs the set of the adjacent cell of the serving cell monitored when cell reselection, and by the determining adjacent cell
Set be sent to the mobile station, to carry out the cell reselection；
Wherein, the network side is determined according to the location information of the positioning position information and the affiliated serving cell of the mobile station
The mobile station needs the set of the adjacent cell of the serving cell monitored to include when for cell reselection：The network lateral root
Determined according to the location information of the positioning position information and the serving cell in the adjacent cell of the serving cell with the shifting
The farthest cell set in dynamic platform position, and excluded and the farthest cell of the location of mobile station from the adjacent cell of the serving cell
Collection, the mobile station needs the set of the adjacent cell of the serving cell monitored when obtaining the cell reselection.
2. according to the method described in claim 1, it is characterized in that, being excluded and the shifting from the adjacent cell of the serving cell
Moving the farthest cell set in platform position includes：It excludes farthest with the location of mobile station and believes from the adjacent cell of the serving cell
Number intensity is less than the cell set of predetermined threshold, wherein the signal strength of the adjacent cell is reported by the mobile station.
3. according to the method described in claim 1, it is characterized in that, the network side, which receives the mobile station, passes through GPS functions
Obtain the positioning position information of itself include：
The network side passes through simple GPS modes or assisted global positioning system according to mobile station described in preset frequency periodic receipt
The positioning position information of itself that system AGPS modes obtain, wherein the positioning position information includes location coordinate information.
4. according to the method described in claim 1, it is characterized in that, the network side is according to the positioning position information and described
The service that the mobile station needs monitor when determining for cell reselection of the location information of the affiliated serving cell of mobile station is small
Before the set of the adjacent cell in area, further include：
The network side is according to the positioning position information of the mobile station received or by the acceleration in the mobile station
Degree sensor obtains the current movement velocity of the mobile station；
When the current movement velocity of the mobile station is less than predetermined threshold, it is specified that the network side notifies that the mobile station reports
The motion state of the mobile station in time, and the shifting is adjusted according to the motion state of the mobile station in the specified time
Dynamic platform reports situation to the positioning position information.
5. according to the method described in claim 4, it is characterized in that, according to the movement shape of the mobile station in the specified time
State adjusts the mobile station：
When the motion state of the mobile station is static, the network side stops the mobile station to the positioning position information
Report, and when the motion state for the mobile station that the acceleration transducer in the mobile station reports is movement, then weigh
Newly start the mobile station to report the periodicity of the positioning position information.
6. the method according to any one of claims 1 to 5, it is characterized in that, the network side receives the mobile station
Before the positioning position information of itself obtained by GPS functions, further include：
The network side reads the positioning function mark being arranged in the mobile station memory, wherein the positioning function mark
Whether the GPS positioning function that knowledge is used to indicate the mobile station currently can be used.
7. the method according to any one of claims 1 to 5, it is characterized in that, the network side receives the mobile station
Before the positioning position information of itself obtained by GPS functions, further include：
Laterally the mobile station is sent for starting the instruction message for reporting the positioning position information network.
8. the method according to any one of claims 1 to 5, it is characterized in that, the network side receives the mobile station
Before the positioning position information of itself obtained by GPS functions, further include：
The network side receives the request message for reporting the positioning position information that the mobile station is sent；
The network side determines the work(for itself supporting that the mobile station reports the positioning position information according to the request message
Can, and the response message of the request message is sent to the mobile station, to notify the mobile station to report the position location
Information.
9. a kind of device of cell reselection is located in network side, which is characterized in that including：
Receiving module, the positioning position information of itself obtained by global position system GPS function for receiving mobile；
Determining module is used for being determined according to the location information of the positioning position information and the affiliated serving cell of the mobile station
The mobile station needs the set of the adjacent cell of the serving cell monitored when cell reselection；
The set of sending module, the adjacent cell for determining the determining module is sent to the mobile station, to carry out
The cell reselection；
Wherein, the determining module is additionally operable to, and is determined according to the location information of the positioning position information and the serving cell
The cell set farthest with the location of mobile station in the adjacent cell of the serving cell, and from the adjacent cell of the serving cell
It excludes with the farthest cell set of the location of mobile station, the clothes that the mobile station needs monitor when obtaining the cell reselection
The set of the adjacent cell for cell of being engaged in.
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| CN201210068220.9A CN103313338B (en) | 2012-03-15 | 2012-03-15 | The method and device of cell reselection |
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| CN201210068220.9A CN103313338B (en) | 2012-03-15 | 2012-03-15 | The method and device of cell reselection |
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| CN106993314B (en) * | 2016-01-21 | 2020-04-21 | ***通信集团山西有限公司 | Fallback performance judgment method and device for circuit switched fallback |
| CN107438276A (en) * | 2016-05-27 | 2017-12-05 | 西安中兴新软件有限责任公司 | A kind of control method and mobile terminal |
| WO2018214049A1 (en) * | 2017-05-24 | 2018-11-29 | 哈尔滨海能达科技有限公司 | Base station switching method and clustering terminal |
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| KR20040059634A (en) * | 2002-12-28 | 2004-07-06 | 엘지전자 주식회사 | Idle hand off method for mobile terminal |
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