CN104412655B - The control device and method of cell switching - Google Patents
The control device and method of cell switching Download PDFInfo
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- CN104412655B CN104412655B CN201380034797.0A CN201380034797A CN104412655B CN 104412655 B CN104412655 B CN 104412655B CN 201380034797 A CN201380034797 A CN 201380034797A CN 104412655 B CN104412655 B CN 104412655B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- 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
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
Abstract
An embodiment of the present invention provides the control devices and method of a kind of switching of cell, are related to field of communication technology, method includes：Obtain the uplink and downlink level value of each changing district to be cut；Obtain the uplink and downlink signal receiving quality value of each changing district to be cut；Judgement is switched over according to the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value；If the uplink and downlink level value and uplink and downlink signal receiving quality value of any changing district to be cut meet switch decision condition, switching command is issued to user equipment (UE), any changing district to be cut is switched to control UE.The present invention switches over judgement according to the uplink and downlink level value and uplink and downlink signal receiving quality value of each changing district to be cut got, therefore, judgement mode is more rigorous, improve the success rate of cell switching, and after judging that any changing district to be cut meets switch decision condition, it issues switching command control UE and switches to the changing district to be cut, to ensure that the continuity of communication.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of the control device and method of cell switching.
Background technology
With flourishing for mobile communication technology, GSM (Global System of Mobile Communi-
Cation, global system for mobile communications), UMTS (Universal Mobile Telecommunications System, it is general
Mobile communication system), the communication networks such as LTE (Long Term Evolution, long term evolution) come into being.And UE (User
Equipment, user equipment) it can be in the cell that any of the above-described communication network is covered being communicated.When UE is moved to it
When the edge of place cell, in order to keep the normal communication state of UE, how to control UE and carry out cell switching, become a pass
Key problem.
In the prior art, UE (User Equipment, user equipment) measures the downlink level of changing district to be cut, is obtaining
After the measurement data of downlink level, the measurement data of downlink level is reported into base station, later by base station according to downlink level
Measurement data switches over judgement, and when the measurement data for adjudicating downlink level is more than pre-determined threshold, control UE carries out cell and cuts
It changes, so that UE is switched to target handover cell.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems：
If the downlink level of target handover cell is good, but there are downlink interference, cause downlink quality poor, then in UE
After being switched to the target handover cell, since downlink quality is poor, UE will be unable to decode, and positive normal open can not be carried out so as to cause UE
Letter；If the uplink downlink of target handover cell is unbalanced or there are uplink interferences for target handover cell, it is switched in UE
Behind the target handover cell, since the signal power of UE transmittings decays, excessive or uplink is second-rate, and base station can not decode, to
Cause UE that can not carry out normal communication.
Invention content
It is of the existing technology in order to solve the problems, such as, an embodiment of the present invention provides a kind of cell switching control device and
Method.The technical solution is as follows：
In a first aspect, providing a kind of control device of cell switching, the equipment includes：
First acquisition module, the uplink and downlink level value for obtaining each changing district to be cut；
Second acquisition module, the uplink and downlink signal receiving quality value for obtaining each changing district to be cut；
Judging module, the uplink and downlink of each changing district to be cut for being got according to first acquisition module
The uplink and downlink signal receiving quality value for each changing district to be cut that level value and second acquisition module are got carries out
Switch decision；
Control module, uplink and downlink level value and uplink and downlink for adjudicating any changing district to be cut when the judging module
When signal receiving quality value meets switch decision condition, switching command is issued to UE, with control the UE switch to it is described any
Changing district to be cut.
In the first possible realization method of first aspect, the judging module, for described any when judging
The uplink and downlink level value of changing district to be cut is above the first pre-determined threshold and the uplink and downlink signal receiving quality value is below
When the second pre-determined threshold, judge that the uplink and downlink level value of any changing district to be cut and uplink and downlink signal receiving quality value are full
Sufficient switch decision condition.
With reference to first aspect or the first possible realization method of first aspect, in second of possible realization method
In, first acquisition module, the downlink level value for receiving each changing district to be cut that the UE is reported；According to institute
The downlink level value for stating each changing district to be cut obtains the uplink level value of each changing district to be cut.
With reference to first aspect or second of the first possible realization method of first aspect or first aspect possible
Realization method, in the third possible realization method, the equipment further includes：
Third acquisition module, the uplink and downlink level value for obtaining each changing district to be cut connect with uplink and downlink signal
Receive the mapping table between mass value；
Second acquisition module is obtained for inquiring the third according to the downlink level value of each changing district to be cut
Correspondence between the uplink and downlink level value and uplink and downlink signal receiving quality value of the changing district to be cut that modulus block is got
Table obtains the uplink and downlink signal receiving quality value of each changing district to be cut.
The third possible realization method with reference to first aspect, in the 4th kind of possible realization method, the third
Acquisition module, the uplink and downlink for each changing district to be cut that the controller for receiving each changing district to be cut is sent
Mapping table between level value and uplink and downlink signal receiving quality value.
With reference to first aspect, in the 5th kind of possible realization method, the control module is used for when multiple to be switched small
When the uplink and downlink level value and uplink and downlink signal receiving quality value in area meet switch decision condition, switching life is issued to the UE
It enables, switches to that the uplink and downlink level value is optimal or the uplink and downlink signal receiving quality value is optimal or institute to control the UE
State uplink and downlink level value and the optimal changing district to be cut of the uplink and downlink signal receiving quality value.
Second aspect provides a kind of control method of cell switching, the method includes：
Obtain the uplink and downlink level value of each changing district to be cut；
Obtain the uplink and downlink signal receiving quality value of each changing district to be cut；
It is switched over according to the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value
Judgement；
If the uplink and downlink level value and uplink and downlink signal receiving quality value of any changing district to be cut meet switch decision
Condition then issues switching command to UE, and any changing district to be cut is switched to control the UE.
It is described according to the upper and lower of each changing district to be cut in the first possible realization method of second aspect
Line level value and uplink and downlink signal receiving quality value switch over judgement, including：
When judge the uplink and downlink level value of any changing district to be cut be above the first pre-determined threshold and it is described it is upper,
When downlink signal receiving quality value is below the second pre-determined threshold, the uplink and downlink level value of any changing district to be cut is judged
And uplink and downlink signal receiving quality value meets switch decision condition.
In conjunction with the possible realization method of the first of second aspect or second aspect, in second of possible realization method
In, the downlink level value for obtaining changing district to be cut, including：
Receive the downlink level value for each changing district to be cut that the UE is reported；
The uplink level value of each changing district to be cut is obtained according to the downlink level value of each changing district to be cut.
Second in conjunction with the possible realization method of the first of second aspect or second aspect or second aspect is possible
Realization method, in the third possible realization method, the uplink and downlink signal for obtaining each changing district to be cut receives
Before mass value, the method further includes：
Obtain pair between the uplink and downlink level value and uplink and downlink signal receiving quality value of each changing district to be cut
Answer relation table；
The uplink level value and uplink and downlink signal receiving quality value for obtaining each changing district to be cut, including：
The uplink and downlink level of each changing district to be cut is inquired according to the downlink level value of each changing district to be cut
Mapping table between value and uplink and downlink signal receiving quality value obtains the uplink and downlink signal of each changing district to be cut
Reception quality value.
In conjunction with the third possible realization method of second aspect, in the 4th kind of possible realization method, the acquisition
The mapping table of the uplink and downlink level value and uplink and downlink signal receiving quality value of the changing district to be cut, including：
Receive the uplink and downlink level value of each changing district to be cut of the controller transmission of each changing district to be cut
With the mapping table between uplink and downlink signal receiving quality value.
It is described to issue switching command to UE in the 5th kind of possible realization method in conjunction with second aspect, described in control
UE switches to any changing district to be cut, including：
When the uplink and downlink level value and uplink and downlink signal receiving quality value of multiple changing districts to be cut meet switch decision item
When part, then issue switching command to the UE, with control the UE switch to the uplink and downlink level value it is optimal or it is described it is upper,
Downlink signal receiving quality value is optimal or the uplink and downlink level value and the uplink and downlink signal receiving quality value it is optimal
Changing district to be cut.
The advantageous effect of technical solution provided in an embodiment of the present invention is：
After the uplink and downlink level value and uplink and downlink signals mass value for obtaining changing district to be cut, according to uplink and downlink level value
And uplink and downlink signal receiving quality value switches over judgement, therefore, judgement mode it is more rigorous, improve cell switching at
Power, and meet switch decision in the uplink and downlink level value and uplink and downlink signal receiving quality value for judging any changing district to be cut
After condition, issues switching command control UE and switch to the changing district to be cut, to ensure that the continuity of communication.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of control method flow chart for cell switching that the embodiment of the present invention one provides；
Fig. 2 is a kind of control method flow chart of cell switching provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of structural schematic diagram of the control device for cell switching that the embodiment of the present invention three provides；
Fig. 4 is the structural schematic diagram of the control device for another cell switching that the embodiment of the present invention three provides.
Specific implementation mode
Embodiment one
The present invention provides a kind of control methods of cell switching, referring to Fig. 1, method flow packet provided in this embodiment
It includes：
101：Obtain the uplink and downlink level value of each changing district to be cut；
Further, the uplink and downlink level value of each changing district to be cut is obtained, including but not limited to：
Receive the downlink level value for each changing district to be cut that UE is reported；
The uplink level value of each changing district to be cut is obtained according to the downlink level value of each changing district to be cut.
102：Obtain the uplink and downlink signal receiving quality value of each changing district to be cut；
Further, before the uplink and downlink signal receiving quality value for obtaining each changing district to be cut, this method further includes：
Obtain the corresponding pass between the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value
It is table；
The uplink and downlink signal receiving quality value of each changing district to be cut is obtained, including but not limited to：
According to the downlink level value of each changing district to be cut inquire the uplink and downlink level value of each changing district to be cut with it is upper,
Mapping table between downlink signal receiving quality value obtains the uplink and downlink signal receiving quality value of each changing district to be cut.
Further, pair of the uplink and downlink level value and uplink and downlink signal receiving quality value of each changing district to be cut is obtained
Relation table is answered, including but not limited to：
Receive the uplink and downlink level value of each changing district to be cut that the controller of each changing district to be cut is sent with it is upper and lower
Mapping table between row signal receiving quality value.
103：It is switched over according to the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value
Judgement；
Further, it is carried out according to the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value
Switch decision, including but not limited to：
When judging that the uplink and downlink level value of any changing district to be cut is above the first pre-determined threshold and uplink and downlink signal
When reception quality value is below the second pre-determined threshold, the uplink and downlink level value and uplink and downlink signal of any changing district to be cut are judged
Reception quality value meets switch decision condition.
104：If the uplink and downlink level value and uplink and downlink signal receiving quality value of any changing district to be cut meet switching
Judgment condition then issues switching command to UE, and any changing district to be cut is switched to control UE.
Further, switching command is issued to UE, switches to any changing district to be cut to control UE, including but not limited to：
When the uplink and downlink level value and uplink and downlink signal receiving quality value of multiple changing districts to be cut meet switch decision item
When part, then switching command is issued to UE, switches to that uplink and downlink level value is optimal or uplink and downlink signal receiving quality to control UE
It is worth optimal or uplink and downlink level value and the optimal changing district to be cut of uplink and downlink signal receiving quality value.
Method provided in an embodiment of the present invention, in the uplink and downlink level value and uplink and downlink signals matter for obtaining changing district to be cut
After magnitude, judgement is switched over according to uplink and downlink level value and uplink and downlink signal receiving quality value, therefore, judgement mode is more
It is rigorous, the success rate of cell switching is improved, and in uplink and downlink level value and the uplink and downlink letter for judging any changing district to be cut
After number reception quality value meets switch decision condition, issues switching command control UE and switch to the changing district to be cut, to ensure
The continuity of communication.
Embodiment two
An embodiment of the present invention provides a kind of control methods of cell switching, in conjunction with the content of above-described embodiment one, with
UE is currently at UMTS cells and is carried to the present embodiment for each GSM cell under GSM network is in each changing district to be cut
The control mode of the cell switching of confession is described in detail；Wherein the controller of UMTS cells is RNC (Radio Network
Controller, radio network controller), the controller of GSM cell is BSC (Base Station Controller, base station
Controller), and a BSC can control multiple GSM cells.Referring to Fig. 2, method flow provided in this embodiment includes：
201：RNC obtains the downlink level value of each GSM cell；
For the step, RNC obtains the downlink level value of each GSM cell, including but not limited to such as under type：
Receive the downlink level value for each GSM cell that UE is reported.
Wherein, UE concretely intelligent terminals, multimedia equipment, stream media equipment, radio modem, wireless local
Loop board, mobile station or subscriber unit etc., and UE can be at any position in cell both can be static and can also be shifting
Dynamic.
When UE is in the intersection of UMTS cells and GSM cell, UE measures the downlink level value of GSM cell, is obtaining
After the downlink level value of GSM cell, which is reported to RNC, i.e. RNC gets the downlink level value of GSM cell.
202:RNC obtains pair between the uplink and downlink level value of each GSM cell and uplink and downlink signal receiving quality value
Answer relation table；
Wherein, RNC obtains the uplink and downlink level value pass corresponding with uplink and downlink signal receiving quality value of each GSM cell
It is table, including but not limited to such as under type：
The uplink and downlink level value for receiving each GSM cell of the BSC transmissions of each GSM cell is received with uplink and downlink signal
Mapping table between mass value.
Further, the BSC of GSM cell receives matter in the uplink and downlink level value for sending GSM cell with uplink and downlink signal
Before mapping table between magnitude, the uplink and downlink level value and uplink and downlink signals of each GSM cell under it can be collected in advance
The quality of reception, and BSC can be arranged one when collecting the uplink and downlink level value and the uplink and downlink signals quality of reception of each GSM cell
It is a for data acquisition UE, carried out by the UE downlink level and downlink signal receiving quality of each GSM cell measurement and on
Report, and the upper line level of each GSM cell and the uplink signal quality of reception then by BTS (Base Transceiver Station,
Base transceiver station) it measures and reports.BSC can connect according to the uplink and downlink level value and uplink and downlink signals of each GSM cell later
Receive pair between the uplink and downlink level value and uplink and downlink signal receiving quality value that quality is each GSM cell generation such as the following table 1
Answer relation table.
Table 1
| Uplink level value (decibel millivolt) | <-108 | -108 | -107 | … | -56 | -55 |
| Downlink level value (decibel millivolt) | <-100 | -100 | -99 | … | -48 | -47 |
| The uplink signal quality of reception | 6.2 | 5.6 | 4.8 | … | 2.6 | 2.2 |
| Downlink signal receiving quality | 6.2 | 5.6 | 4.8 | … | 2.6 | 2.2 |
Wherein, above-mentioned level value and signal receiving quality value are statistic, and are the numerical value after power control compensation.
Further, the uplink and downlink signals quality of reception, can be with HQI (High other than being characterized in the form of table 1
Quality Identity, high quality mark) characterization, wherein uplink HQI=(number+uplinks of the uplink signal quality of reception 0
The number of the number of the number of signal receiving quality 1+uplink signal quality of reception 2+uplink signal quality of reception 3)/uplink signal
The total degree * 100% of the quality of reception 0~7, i.e. ratio shared by the uplink signal quality of reception 0~3；Downlink HQI=(believe by downlink
Number+downlink signal of number+downlink signal receiving quality 2 of number+downlink signal receiving quality 1 of number quality of reception 0 connects
Receive quality 3 number)/downlink signal receiving quality 0~7 total degree * 100%, i.e., shared by downlink signal receiving quality 0~3
Ratio；If characterizing the uplink and downlink signals quality of reception with HQI, upper table 1 can be replaced the following table 2.
Table 2
| Uplink level value (decibel millivolt) | <-108 | -108 | -107 | … | -56 | -55 |
| Downlink level value (decibel millivolt) | <-100 | -100 | -99 | … | -48 | -47 |
| Uplink HQI | 90% | 92% | 93% | … | 99% | 99.5% |
| Downlink HQI | 90% | 92% | 93% | … | 99% | 99.5% |
Wherein, above-mentioned level value and uplink and downlink HQI are statistic, and are the numerical value after power control compensation.
It should be noted that the BSC of GSM cell to the RNC of UMTS cells send thereon, downlink level value with it is upper and lower
When mapping table between row signal receiving quality value, the shape of above-mentioned table 2 can also be used in the form that above-mentioned table 1 both can be used
Formula is specifically not construed as limiting this using which kind of form the present embodiment.
Further, since UMTS cells belong to different communication network with GSM cell, cannot directly be communicated, so BSC exists
When sending the mapping table thereon, between downlink level value and uplink and downlink signal receiving quality value, centralized control net need to be passed through
Member transmits the mapping table between the uplink and downlink level value and uplink and downlink signal receiving quality value.Wherein, centralized control net
There is correspondence with the RNC of UMTS cells and the BSC of GSM cell in member.BSC send thereon, downlink level value with it is upper and lower
When mapping table between row signal receiving quality value, the mapping table is first sent to centralized control network element, then by collecting
The mapping table is passed to RNC by middle control network element, and RNC can continue to execute follow-up place after obtaining the mapping table
Manage flow.
203：RNC according to the downlink level value of each GSM cell inquire the uplink and downlink level value of each GSM cell with it is upper,
Mapping table between downlink signal receiving quality value obtains the uplink level value of each GSM cell and uplink and downlink signal connects
Receive mass value；
By taking the downlink level value of a certain GSM cell got is -99 decibels of millivolts as an example, then RNC is in the case where getting this
After the numerical value of line level, can according to the numerical value inquire the uplink level value of GSM cell as shown in table 1 in above-mentioned steps 202,
Mapping table between uplink and downlink level value and uplink and downlink signal receiving quality value, to obtain the upper line level of GSM cell
Value, the corresponding uplink and downlink signal receiving quality value of uplink and downlink level value.If signal receiving quality uses the characterization shape of above-mentioned table 1
Formula, then as shown in Table 1, uplink level value corresponding with -99 decibels of millivolts of downlink level value are -107 decibels of millivolts, with uplink electricity
The corresponding uplink signal reception quality value of -107 decibels of millivolts of level values is 4.8, under corresponding with -99 decibels of millivolts of downlink level value
Row signal receiving quality value is 4.8, to obtain uplink level value and uplink and downlink signal receiving quality according to downlink level value
Value；
If in addition, signal receiving quality use above-mentioned table 2 forms of characterization, after the numerical value for getting downlink level,
The uplink and downlink level value of GSM cell as shown in table 2 in above-mentioned steps 202 and uplink and downlink signal can be inquired according to the numerical value
Mapping table between reception quality value, uplink level value, the uplink and downlink level value to obtain GSM cell are corresponding upper and lower
Row signal receiving quality value.As shown in Table 2, uplink level value corresponding with -99 decibels of millivolts of downlink level value is -107 decibels
Millivolt, uplink signal reception quality value corresponding with -107 decibels of millivolts of uplink level value is 93%, with -99 points of downlink level value
The corresponding downlink signal receiving quality value of shellfish millivolt is 93%, is received to be worth to uplink and downlink signal according to uplink and downlink level
Mass value；
204：RNC is switched over according to the uplink and downlink level value and uplink and downlink signal receiving quality value of each GSM cell
Judgement；
For the step, RNC according to the uplink and downlink level value of each GSM cell and uplink and downlink signal receiving quality value into
Row switch decision, including but not limited to such as under type：
When RNC judges that the uplink and downlink level value of any GSM cell is above the first pre-determined threshold and uplink and downlink signal
When reception quality value is below the second pre-determined threshold, the uplink and downlink level value and uplink and downlink signal of any GSM cell are judged
Reception quality value meets switch decision condition.
Wherein, the first pre-determined threshold concretely -65 decibels of millivolts, certainly, the size of the first pre-determined threshold remove above-mentioned number
Value is outer, can also be other numerical value, for example, -70 or -75 decibels of millivolts, the size of the first pre-determined threshold of the present embodiment pair without
It is specific to limit；Depending on the forms of characterization of the size basis signal quality of reception of second pre-determined threshold, if signal receiving quality is direct
It is characterized in the form of table 1 in above-mentioned steps 202, then the size of the second pre-determined threshold concretely 4.5, certain second pre-determined threshold
Size in addition to above-mentioned numerical value, can be also other numerical value, for example, 4 or 5, the size of the second pre-determined threshold of the present embodiment pair is same
Without specifically limiting；If signal receiving quality is characterized in the form of table 2 in above-mentioned steps 202, the second pre-determined threshold it is big
Small by concretely 80%, the size of certain second pre-determined threshold can also be other numerical value in addition to above-mentioned numerical value, for example, 85% or
90%, the size of the second pre-determined threshold of the present embodiment pair is without specifically limiting.
205：If the uplink and downlink level value and uplink and downlink signal receiving quality value of any GSM cell meet switch decision
Condition, then RNC issue switching command to UE, switch to any GSM cell to control UE.
Wherein, after judging that any GSM cell meets switch decision condition, it will pass through air interface and issue switching to UE
Order, UE just switch to any GSM cell, and then ensure that the continuous of communication after receiving switching command from UMTS cells
Property.
In addition, for there are the uplink and downlink level value of multiple GSM cells and uplink and downlink signal receiving quality value are full simultaneously
The case where when sufficient switch decision condition, method provided in this embodiment further include：Select uplink and downlink level value optimal or upper and lower
Row signal receiving quality value is optimal or uplink and downlink level value and the optimal GSM cell conduct of uplink and downlink signal receiving quality value
The switching cell of UE, and control UE and switch to the cell.Wherein, the optimal reference uplink and downlink level value of uplink and downlink level value is most
Greatly, the optimal reference uplink and downlink signal receiving quality value of uplink and downlink signal receiving quality value is minimum.For example, if 3 GSM cells are equal
Meet switch decision condition, is identified with GSM1, GSM2 and GSM3 pairs of 3 GSM cells of symbol, the uplink and downlink level of GSM1
Value is -85 decibels of millivolts and -88 decibels of millivolts, and uplink and downlink signal receiving quality value is 4 and 5, the uplink and downlink level value of GSM2
For -80 decibels of millivolts and -85 decibels of millivolts, uplink and downlink signal receiving quality value is 3 and 4, the uplink and downlink level value of GSM3 is -
75 decibels of millivolts and -80 decibels of millivolts, for uplink and downlink signal receiving quality value is 2 and 3, and if above, downlink level value most
Excellent alternatively standard, then select GSM3 cells as the target handover cell of UE.
The switch determining method that above-mentioned steps 201 to step 205 provide is carried out with reference to a specific example detailed
Carefully illustrate.
It is currently at talking state with a certain UE, and for UMTS cell edges, then in order to ensure the communication of the UE
Continuity needs to carry out cell switching.Assuming that the GSM cell neighbouring with the UMTS cells has 2, respectively with symbol G1 and G2 into
Line identifier, and uniformly controlled by BSC1, then before switching over judgement, BSC1 has just been that each GSM cell generates
Mapping table between corresponding uplink and downlink level value and uplink and downlink signal receiving quality value, and deposit in itself.When
RNC can obtain the upper and lower of 2 GSM cells being stored in BSC1 via centralized control network element first when switching over judgement
Mapping table between line level value and uplink and downlink signal receiving quality value, and it is small according to each GSM that be switched UE is reported
The downlink level value in area inquires the correspondence between corresponding uplink and downlink level value and uplink and downlink signal receiving quality value
Table obtains the uplink level value and the uplink and downlink signals quality of reception of each GSM cell.
Assuming that be switched UE has reported the downlink level of G1 and G2, and the downlink level value of G1 is -70 decibels of millivolts, G2's
Downlink level value is -80 decibels of millivolts.Later, RNC inquires the uplink and downlink electricity of G1 and G2 according to the downlink level value of the two respectively
Mapping table between level values and uplink and downlink signal receiving quality value, and the uplink level value for obtaining G1 is -82 decibels of millis
Volt, downlink signal receiving quality 5, the uplink signal quality of reception are 6；The uplink level value of G2 cells is -88 decibels of millivolts, under
Row signal receiving quality is 2, and uplink quality is 1, and with the first pre-determined threshold for -85 decibels of millivolts, the second pre-determined threshold is 4 to be
Example, then since the uplink and downlink signals quality of reception of G1 is unsatisfactory for pre-determined threshold, will not select G1 as the mesh of to be switched UE
Switching cell is marked, and selects target handover cells of the G2 as to be switched UE at UMTS cell edges.
Can also be LTE cells, GSM small in addition, the cell that UE is currently located is in addition to the UMTS cells shown in the present embodiment
Area, TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time division synchronous
CDMA) cell, CDMA (Code Division Multiple Access, CDMA) cell, Wimax
(Worldwide Interoperability for Microwave Access, micro-wave access global inter communication) cell；UE is to be cut
The cell changed can also be LTE cells, UMTS cells, TD-SCDMA cells, CDMA in addition to the GSM cell shown in the present embodiment
Cell, Wimax cells；That is the control method of cell provided in this embodiment switching can both realize cutting between different communication network
It changes, can also realize the switching between same communication network.Regardless of UE switches to another cell, switch decision mode by which cell
Consistent with the switch decision mode of above-mentioned steps 201 to step 205, details are not described herein again.For example, when UE is cut by LTE cells
When shifting to GSM cell or switching to GSM cell by TD-SCDMA cells, the controller of LTE cells or the control of TD-SCDMA cells
When switching over judgement, the RNC that above-mentioned steps 201 can be used to step 205 in switch decision mode is switched over device processed
The mode of judgement.
It should be noted that the controller of the changing districts to be cut UE send thereon, downlink level value and uplink and downlink signal connect
After receiving the mapping table to centralized control network element between mass value, which can not be forwarded to UE by centralized control network element
It is currently located the controller of cell, and judgement is directly switched over according to the mapping table and uplink and downlink level value, and is concentrated
Network element is controlled when switching over judgement, switch decision mode is switched over the RNC of above-mentioned steps 201 to step 205 to be sentenced
Mode certainly is consistent, and the controller that UE is currently located cell is sent to after obtaining court verdict, then by court verdict.
Method provided in this embodiment, in the uplink and downlink level value and uplink and downlink signals mass value for obtaining changing district to be cut
Afterwards, judgement is switched over according to uplink and downlink level value and uplink and downlink signal receiving quality value, therefore, judgement mode is tighter
Sincerely, the success rate of cell switching is improved, and in the uplink and downlink level value and uplink and downlink signal for judging any changing district to be cut
After reception quality value meets switch decision condition, issues switching command control UE and switch to the changing district to be cut, to ensure that
The continuity of communication.
Embodiment three
An embodiment of the present invention provides a kind of control devices of cell switching, for executing above-described embodiment one or embodiment
Two methods provided.Wherein, the control device of cell switching refers to the controller that UE is currently located cell；I.e. if UE is current
The cell at place is UMTS cells, then the equipment refers to the controller RNC of the UMTS cells；If the cell that UE is currently located is
GSM cell, then the equipment refer to the controller BSC of the GSM cell.Referring to Fig. 3, the equipment, including：
First acquisition module 31, the uplink and downlink level value for obtaining each changing district to be cut；
Second acquisition module 32, the uplink and downlink signal receiving quality value for obtaining each changing district to be cut；
Judging module 33, the uplink and downlink level of each changing district to be cut for being got according to the first acquisition module 31
The uplink and downlink signal receiving quality value for each changing district to be cut that value and the second acquisition module 32 are got switches over judgement；
Control module 34, uplink and downlink level value and uplink and downlink for adjudicating any changing district to be cut when judging module 33
When signal receiving quality value meets switch decision condition, switching command is issued to UE, with control UE switch to it is any to be switched small
Area.
It should be noted that since the function performed by the first acquisition module and the second acquisition module is acquisition data,
The two is uniquely different only in that the data got are different.It therefore, in practical applications, can also be as needed by above-mentioned
One acquisition module and the second acquisition module merge into a module for being referred to as acquisition module, to complete above-mentioned first acquisition module
And second acquisition module repertoire.Which kind of mode, the present embodiment is specifically used to be not especially limited this.
Further, judging module 33, for when judging that the uplink and downlink level value of any changing district to be cut is above the
One pre-determined threshold and when uplink and downlink signal receiving quality value is below the second pre-determined threshold, judge any changing district to be cut it is upper,
Downlink level value and uplink and downlink signal receiving quality value meet switch decision condition.
Further, the first acquisition module 31, downlink level value for receiving each changing district to be cut that UE is reported and
The uplink level value for the changing district to be cut that the controller of changing district to be cut is sent；According to the downlink level value of each changing district to be cut
Obtain the uplink level value of each changing district to be cut.
Further, referring to Fig. 4, which further includes：
Third acquisition module 35, the uplink and downlink level value for obtaining each changing district to be cut are received with uplink and downlink signal
Mapping table between mass value；
Second acquisition module 32 is obtained for inquiring third acquisition module 35 according to the downlink level value of each changing district to be cut
Mapping table between the uplink and downlink level value and uplink and downlink signal receiving quality value of each changing district to be cut got obtains
Take the uplink and downlink signal receiving quality value of each changing district to be cut.
Further, third acquisition module 35, the controller for receiving each changing district to be cut send each to be cut
Mapping table between the uplink and downlink level value and uplink and downlink signal receiving quality value of changing district.
Further, control module 34, for the uplink and downlink level value and uplink and downlink signal when multiple changing districts to be cut
When reception quality value meets switch decision condition, switching command is issued to UE, to switch to uplink and downlink level value optimal to control UE
Uplink and downlink signal receiving quality value is optimal or uplink and downlink level value and the uplink and downlink signal receiving quality value it is optimal
Changing district to be cut.
Equipment provided in an embodiment of the present invention, in the uplink and downlink level value and uplink and downlink signals matter for obtaining changing district to be cut
After magnitude, judgement is switched over according to uplink and downlink level value and uplink and downlink signal receiving quality value, therefore, judgement mode is more
It is rigorous, the success rate of cell switching is improved, and in uplink and downlink level value and the uplink and downlink letter for judging any changing district to be cut
After number reception quality value meets switch decision condition, issues switching command control UE and switch to the changing district to be cut, to ensure
The continuity of communication.
Example IV
An embodiment of the present invention provides a kind of control systems of cell switching, which includes memory and processing
Device；
Wherein, memory is used to store the uplink and downlink level value and uplink and downlink signal receiving quality of each changing district to be cut
Mapping table between value；Processor, the uplink and downlink level value for obtaining each changing district to be cut；It obtains each to be cut
The uplink and downlink signal receiving quality value of changing district；According to the uplink and downlink level value and uplink and downlink signal of each changing district to be cut
Reception quality value switches over judgement；If the uplink and downlink level value and uplink and downlink signal receiving quality of any changing district to be cut
Value meets switch decision condition, then issues switching command to user equipment (UE), and any changing district to be cut is switched to control UE.
Further, processor is additionally operable to work as and judges that the uplink and downlink level value of any changing district to be cut is above first
Pre-determined threshold and when uplink and downlink signal receiving quality value is below the second pre-determined threshold, judges the upper and lower of any changing district to be cut
Line level value and uplink and downlink signal receiving quality value meet switch decision condition.
Further, processor is additionally operable to receive the downlink level value for each changing district to be cut that UE is reported；According to each
The downlink level value of changing district to be cut obtains the uplink level value of each changing district to be cut.
Further, processor is additionally operable to obtain the uplink and downlink level value of each changing district to be cut and uplink and downlink signal
Mapping table between reception quality value；Each changing district to be cut is inquired according to the downlink level value of each changing district to be cut
Mapping table between uplink and downlink level value and uplink and downlink signal receiving quality value obtains the uplink of each changing district to be cut
Level value and uplink and downlink signal receiving quality value.
Further, processor is additionally operable to receive each changing district to be cut that the controller of each changing district to be cut is sent
Uplink and downlink level value and uplink and downlink signal receiving quality value between mapping table.
Further, processor is additionally operable to connect when the uplink and downlink level value and uplink and downlink signal of multiple changing districts to be cut
Mass value is received when meeting switch decision condition, then issues switching command to UE, to switch to uplink and downlink level value optimal to control UE
Or uplink and downlink signal receiving quality value is optimal or uplink and downlink level value and optimal to be cut of uplink and downlink signal receiving quality value
Changing district.
System provided in an embodiment of the present invention, in the uplink and downlink level value and uplink and downlink signals matter for obtaining changing district to be cut
After magnitude, judgement is switched over according to uplink and downlink level value and uplink and downlink signal receiving quality value, therefore, judgement mode is more
It is rigorous, the success rate of cell switching is improved, and in uplink and downlink level value and the uplink and downlink letter for judging any changing district to be cut
After number reception quality value meets switch decision condition, issues switching command control UE and switch to the changing district to be cut, to ensure
The continuity of communication.
It should be noted that：Above-described embodiment provide cell switching control device control cell switching when, only with
The division progress of above-mentioned each function module, can be as needed and by above-mentioned function distribution by not for example, in practical application
Same function module is completed, i.e., the internal structure of equipment is divided into different function modules, to complete whole described above
Or partial function.In addition, the control device and the control method of cell switching of the cell switching that above-described embodiment provides are implemented
Example belongs to same design, and specific implementation process refers to embodiment of the method, and which is not described herein again.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of control device of cell switching, which is characterized in that the equipment includes：
First acquisition module, the uplink and downlink level value for obtaining each changing district to be cut；
Second acquisition module, the uplink and downlink signal receiving quality value for obtaining each changing district to be cut；
Judging module, the uplink and downlink level of each changing district to be cut for being got according to first acquisition module
The uplink and downlink signal receiving quality value for each changing district to be cut that value and second acquisition module are got switches over
Judgement；
Control module, uplink and downlink level value and uplink and downlink signal for adjudicating any changing district to be cut when the judging module
When reception quality value meets switch decision condition, switching command is issued to user equipment (UE), with control the UE switch to it is described
Any changing district to be cut.
2. equipment according to claim 1, which is characterized in that the judging module, for when judging described any wait for
The uplink and downlink level value of switching cell is above the first pre-determined threshold and the uplink and downlink signal receiving quality value is below
When two pre-determined thresholds, judge that the uplink and downlink level value of any changing district to be cut and uplink and downlink signal receiving quality value meet
Switch decision condition.
3. equipment according to claim 1 or 2, which is characterized in that first acquisition module, for receiving the UE
The downlink level value of each changing district to be cut of report；According to the acquisition of the downlink level value of each changing district to be cut
The uplink level value of each changing district to be cut.
4. equipment according to claim 1 or 2, which is characterized in that the equipment further includes：
Third acquisition module, the uplink and downlink level value for obtaining each changing district to be cut receive matter with uplink and downlink signal
Mapping table between magnitude；
Second acquisition module obtains mould for inquiring the third according to the downlink level value of each changing district to be cut
Correspondence between the uplink and downlink level value and uplink and downlink signal receiving quality value of each changing district to be cut that block is got
Table obtains the uplink and downlink signal receiving quality value of each changing district to be cut.
5. equipment according to claim 4, the third acquisition module, the control for receiving each changing district to be cut
It is corresponding between the uplink and downlink level value and uplink and downlink signal receiving quality value of each changing district to be cut that device processed is sent
Relation table.
6. equipment according to claim 1, which is characterized in that the control module is used for when multiple changing districts to be cut
When uplink and downlink level value and uplink and downlink signal receiving quality value meet switch decision condition, switching command is issued to the UE,
Switch to that the uplink and downlink level value is optimal or the uplink and downlink signal receiving quality value is optimal or described to control the UE
Uplink and downlink level value and the optimal changing district to be cut of the uplink and downlink signal receiving quality value.
7. a kind of control method of cell switching, which is characterized in that the method includes：
Obtain the uplink and downlink level value of each changing district to be cut；
Obtain the uplink and downlink signal receiving quality value of each changing district to be cut；
Judgement is switched over according to the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value；
If the uplink and downlink level value and uplink and downlink signal receiving quality value of any changing district to be cut meet switch decision condition,
Switching command then is issued to user equipment (UE), any changing district to be cut is switched to control the UE.
8. the method according to the description of claim 7 is characterized in that the uplink and downlink according to each changing district to be cut
Level value and uplink and downlink signal receiving quality value switch over judgement, including：
When judging that the uplink and downlink level value of any changing district to be cut is above the first pre-determined threshold and the uplink and downlink
When signal receiving quality value is below the second pre-determined threshold, judge any changing district to be cut uplink and downlink level value and it is upper,
Downlink signal receiving quality value meets switch decision condition.
9. method according to claim 7 or 8, which is characterized in that the uplink and downlink electricity for obtaining each changing district to be cut
Level values, including：
Receive the downlink level value for each changing district to be cut that the UE is reported；
The uplink level value of each changing district to be cut is obtained according to the downlink level value of each changing district to be cut.
10. method according to claim 7 or 8, which is characterized in that it is described obtain each changing district to be cut it is upper,
Before downlink signal receiving quality value, the method further includes：
Obtain the corresponding pass between the uplink and downlink level value of each changing district to be cut and uplink and downlink signal receiving quality value
It is table；
The uplink and downlink signal receiving quality value for obtaining each changing district to be cut, including：
According to the downlink level value of each changing district to be cut inquire the uplink and downlink level value of each changing district to be cut with
The uplink and downlink signal that mapping table between uplink and downlink signal receiving quality value obtains each changing district to be cut receives
Mass value.
11. according to the method described in claim 10, the uplink and downlink level value for obtaining each changing district to be cut with
The mapping table of uplink and downlink signal receiving quality value, including：
Receive each changing district to be cut controller send each changing district to be cut uplink and downlink level value with
Mapping table between uplink and downlink signal receiving quality value.
12. the method according to the description of claim 7 is characterized in that described issue switching command to user equipment (UE), with control
The UE switches to any changing district to be cut, including：
When the uplink and downlink level value of multiple changing districts to be cut and uplink and downlink signal receiving quality value meet switch decision condition,
Switching command then is issued to the UE, switches to that the uplink and downlink level value is optimal or the uplink and downlink are believed to control the UE
Number reception quality value is optimal or the uplink and downlink level value and optimal to be switched of the uplink and downlink signal receiving quality value
Cell.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/084517 WO2015042890A1 (en) | 2013-09-27 | 2013-09-27 | Device and method for controlling cell switch |
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| Publication Number | Publication Date |
|---|---|
| CN104412655A CN104412655A (en) | 2015-03-11 |
| CN104412655B true CN104412655B (en) | 2018-10-02 |
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| CN201380034797.0A Active CN104412655B (en) | 2013-09-27 | 2013-09-27 | The control device and method of cell switching |
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| WO (1) | WO2015042890A1 (en) |
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| JP2017022631A (en) * | 2015-07-14 | 2017-01-26 | 富士通株式会社 | Communication system, communication device, communication method, and communication program |
| US10390269B2 (en) | 2016-08-19 | 2019-08-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink measurement based mobility management |
| CN112188543B (en) * | 2019-07-01 | 2022-07-01 | 中国移动通信集团浙江有限公司 | SRVCC switching method and device |
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|---|---|---|---|---|
| CN1607856A (en) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | Community switching method for mobile station |
| CN101422062A (en) * | 2006-02-14 | 2009-04-29 | 株式会社Ntt都科摩 | Mobile station, wireless access network, and mobility control method |
| CN101674598A (en) * | 2008-09-12 | 2010-03-17 | 上海华为技术有限公司 | Method, device and system for cell switching judgment |
| US20110059741A1 (en) * | 2009-09-10 | 2011-03-10 | At&T Mobility Ii Llc | Predictive hard and soft handover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997195B (en) * | 2006-01-06 | 2010-05-12 | 中兴通讯股份有限公司 | Cellular mobile communication system and special processing method for measurement report for same |
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2013
- 2013-09-27 WO PCT/CN2013/084517 patent/WO2015042890A1/en active Application Filing
- 2013-09-27 CN CN201380034797.0A patent/CN104412655B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1607856A (en) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | Community switching method for mobile station |
| CN101422062A (en) * | 2006-02-14 | 2009-04-29 | 株式会社Ntt都科摩 | Mobile station, wireless access network, and mobility control method |
| CN101674598A (en) * | 2008-09-12 | 2010-03-17 | 上海华为技术有限公司 | Method, device and system for cell switching judgment |
| US20110059741A1 (en) * | 2009-09-10 | 2011-03-10 | At&T Mobility Ii Llc | Predictive hard and soft handover |
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| WO2015042890A1 (en) | 2015-04-02 |
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