CN104023362B - A kind of method of cell reselection, system and equipment - Google Patents
A kind of method of cell reselection, system and equipment Download PDFInfo
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- CN104023362B CN104023362B CN201310066101.4A CN201310066101A CN104023362B CN 104023362 B CN104023362 B CN 104023362B CN 201310066101 A CN201310066101 A CN 201310066101A CN 104023362 B CN104023362 B CN 104023362B
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Abstract
The present embodiments relate to wireless communication technology field, the more particularly to a kind of method of cell reselection, system and equipment, when being applied to CR systems to solve cell reselection process present in prior art, the user equipment cell reselection delay during switching of CR system spectrums is significantly increased, adds the power overhead problem of cell reselection.The method of the embodiment of the present invention includes：Network side equipment is after needing to carry out frequency spectrum switching, it is determined that carrying out the target frequency point information of cell reselection during frequency spectrum switching；By the target frequency point information notifying user equipment of determination, so that the user equipment carries out cell reselection according to the target frequency point information.Due to network side equipment by carry out frequency spectrum switching when cell reselection target frequency point information notifying user equipment, so that the user equipment carries out cell reselection according to the target frequency point information, postpone the power overhead with cell reselection so as to the cell reselection of Idle state terminal when reducing frequency spectrum switching.
Description
Technical field
The present invention relates to wireless communication technology field, the more particularly to a kind of method of cell reselection, system and equipment.
Background technology
Radio communication frequency spectrum is a kind of valuable natural resources, with the very fast development of wireless communication technology, frequency spectrum money
The problem of source is poor getting worse, in order to alleviate the nervous present situation of frequency spectrum resource, related department and agency is to radio communication frequency
Spectrum is monitored and studied, and finds some frequency ranges（Such as TV band）In most of time and it is not used or most of
In region and it is not used, and then there is the use of multisystem multi-user while the situation, i.e. frequency spectrum resource of competition in some frequency ranges
Unbalanced phenomenon be present.CR（Cognitive Radio, cognitive radio）Concept be exactly it is caused under this background,
Its basic thought is：On the premise of not interfered to authoring system, cognitive radio system can by monitoring currently without
The change of thread environment accesses white spaces with carrying out dynamic opportunistic and communicated.
When the blank frequency spectrum of cognitive radio system opportunistic insertion authority system, on condition that protection authoring system business
Not by the harmful interference of CR systems, this is required：
1st, cognitive radio system is accurately judged to the ability of the blank frequency spectrum of authoring system frequency range；
2nd, frequency spectrum switches, i.e., CR system discoveries authoring system is in currently used blank frequency spectrum（Source working frequency points）On again
Occur, CR systems exit currently used blank frequency spectrum in time, and whole CR systems are switched into other blank frequency spectrums（Target
Working frequency points）The process of upper recovery business.
In traditional wireless communication system, Idle state user equipment is after cell selection, it is necessary to which monitoring service at any time is small
Area and/or the signal quality of adjacent cell, and according to signal quality select one priority is higher or channel quality is more preferable
Cell is resident, and this process is exactly cell reselection.The cell reselection process of traditional wireless communication system mainly includes：User sets
The signal quality of standby measurement serving cell, and measurement adjacent cell, and root are determined whether according to conditional joints such as priority parameters
Re-selecting cell list is safeguarded according to the signal quality information of the adjacent cell of measurement；User equipment is according to serving cell and adjacent cell
Signal quality information, or user equipment by system information determine cell whether be prohibited etc. condition determine whether to trigger it is small
Area's gravity treatment, and specific cell reselection process is performed according to re-selecting cell list.
By taking LTE (Long Term Evolution, Long Term Evolution) system as an example：LTE system, introduced in cell reselection
The concept of priority, network side can reach the resident purpose of control user equipment by setting the priority of different frequent points.
Cell reselection process is mainly the mistake that user equipment co-frequency cell, the measurement of different priorities alien-frequency district and gravity treatment are controlled by base station
Journey.
For the wireless communication system using CR technologies, in frequency spectrum handoff procedure, when the base station source of release work in cell
Make the cell on frequency and after target frequency recovers cell, the quality degradation of serving cell in the working frequency points of source.If
According to current cell reselection process, for the user equipment positioned at center of housing estate, on the one hand, on geographical position neighbor cell
Signal quality is simultaneously bad, can not gravity treatment on suitable neighbor cell；On the other hand, due to there is no cell on target frequency before
Relevant information, cause user equipment have to carry out time-consuming very long cell selection procedure could gravity treatment to target frequency cell
On.
In summary, when current cell reselection process is applied to CR systems, hence it is evident that when adding the switching of CR system spectrums
The delay of user equipment cell reselection, add the power overhead of cell reselection.
The content of the invention
The present invention provides a kind of method of cell reselection, system and equipment, to solve cell present in prior art
When reuse adoption process is applied to CR systems, hence it is evident that add the user equipment cell reselection delay during switching of CR system spectrums, increase
The power overhead problem of cell reselection.
A kind of method of cell reselection provided in an embodiment of the present invention, including：
Network side equipment is after needing to carry out frequency spectrum switching, it is determined that carrying out the target frequency letter of cell reselection during frequency spectrum switching
Breath；
The network side equipment is by the target frequency point information notifying user equipment of determination, so that the user equipment root
Cell reselection is carried out according to the target frequency point information.
The method of another cell reselection provided in an embodiment of the present invention, including：
User equipment receives the target frequency point information for carrying out cell reselection during frequency spectrum switching from network side equipment；
The user equipment carries out cell reselection according to the target frequency point information.
A kind of network side equipment of cell reselection provided in an embodiment of the present invention, including：
Determining module, for need carry out frequency spectrum switching after, it is determined that carry out frequency spectrum switching when cell reselection target frequency
Point information；
Notification module, for by the target frequency point information notifying user equipment of determination, so that the user equipment root
Cell reselection is carried out according to the target frequency point information.
A kind of user equipment of cell reselection provided in an embodiment of the present invention, including：
Receiving module, believe for receiving the target frequency of cell reselection when carrying out frequency spectrum switching from network side equipment
Breath；
Gravity treatment module, for carrying out cell reselection according to the target frequency point information.
A kind of system of cell reselection provided in an embodiment of the present invention, including：
Network side equipment, for need carry out frequency spectrum switching after, it is determined that carry out frequency spectrum switching when cell reselection target
Frequency point information, by the target frequency point information notifying user equipment of determination, so that the user equipment is according to target frequency
Point information carries out cell reselection；
User equipment, believe for receiving the target frequency of cell reselection when carrying out frequency spectrum switching from network side equipment
Breath, cell reselection is carried out according to the target frequency point information.
Because network side equipment is by the target frequency point information notifying user equipment of cell reselection during progress frequency spectrum switching, so that
The user equipment carries out cell reselection according to the target frequency point information, so as to reduce Idle state terminal when frequency spectrum switches
Cell reselection postpones and the power overhead of cell reselection.
Brief description of the drawings
Fig. 1 is the system structure diagram of cell reselection of the embodiment of the present invention；
Fig. 2 be cell reselection of the embodiment of the present invention system in network side equipment structural representation；
Fig. 3 be cell reselection of the embodiment of the present invention system in user equipment structural representation；
Fig. 4 is the method flow schematic diagram that network side equipment of embodiment of the present invention notifying user equipment carries out network reselection；
Fig. 5 is the method flow schematic diagram that user equipment of the embodiment of the present invention carries out network reselection；
Fig. 6 is the implementation process figure of residence reselecting base station side in cognitive radio system of the embodiment of the present invention；
Fig. 7 is the implementation process figure of residence reselecting user equipment side in cognitive radio system of the embodiment of the present invention；
Fig. 8 is the method flow schematic diagram of cell reselection in LTE-CR systems of the embodiment of the present invention.
Embodiment
The target frequency point information of cell reselection when carrying out frequency spectrum switching is notified user by network side equipment of the embodiment of the present invention
Equipment, so that user equipment carries out cell reselection according to target frequency point information, so as to reduce Idle state terminal when frequency spectrum switches
Cell reselection delay and cell reselection power overhead.
As shown in figure 1, the system of cell reselection of the embodiment of the present invention includes：Network side equipment 10 and user equipment 20.
Network side equipment 10, for need carry out frequency spectrum switching after, it is determined that carry out frequency spectrum switching when cell reselection mesh
Frequency point information is marked, by the target frequency point information notifying user equipment 20 of determination；
User equipment 20, for receive from network side equipment 10 carry out frequency spectrum switching when cell reselection target frequency
Information, cell reselection is carried out according to target frequency point information.
Wherein, network side equipment finds authorized user device in work at present by accessing the modes such as database or perception
Reappeared on frequency, or when network side equipment finds that current working frequency channel quality is declined to a certain extent, it is determined that needing
Perform frequency spectrum switching.
Network side equipment safeguards standby frequency list by accessing the modes such as database or perception at work, works as decision-making
When needing to perform frequency spectrum switching, one is selected to be used as cell reselection when carrying out frequency spectrum switching from the standby frequency list of its maintenance
Target frequency（That is the center frequency point of Target cell）, selection mode has a lot, for example randomly chooses, in sequence selection etc..
In force, network side equipment can only send carry out frequency spectrum switching when cell reselection target frequency point information to
Family equipment；Between at the beginning of the cell ID for the Target cell that frequency spectrum can also be switched and/or frequency spectrum switching, with target frequency
Information is sent to user equipment.
It can be sent between at the beginning of cell ID and/or the frequency spectrum switching of Target cell together with target frequency point information；
It can also send respectively；If necessary to send Target cell cell ID, frequency spectrum switching at the beginning of between and target frequency letter
Breath, these three information partly can together send, all can also together send, can also send respectively.
Wherein, the cell ID of Target cell is the information that Target cell is uniquely can be identified for that on certain target frequency, can
By high Layer assignment, can also be generated by network side equipment.
It is preferred that above- mentioned information can be placed in frequency spectrum switching command by network side equipment, then frequency spectrum switching command disappears
Ceasing form can be as shown in table 1：
The frequency spectrum switching command message form of the embodiment of the present invention of table 1.
It should be noted that the information in the message format of above-mentioned frequency spectrum switching command refers to for example, not representing
The message format of frequency spectrum switching command only includes these three information, can also include other information as needed.
Wherein, network side equipment can by broadcast the message by the target frequency point information notifying user equipment of determination, if
Need between sending at the beginning of cell ID and/or frequency spectrum switch, then at the beginning of cell ID and/or frequency spectrum being switched between,
Pass through the notifying user equipment that broadcasts the message with target frequency point information.
Network side equipment after decision-making needs to perform frequency spectrum switching, can multiple broadcast spectrum switching command in the cell, directly
Reach maximum spectrum switching command number of broadcast times.
By taking LTE system as an example, network side equipment can use SIB（System Information Block, system information
Block）The 1 or new SIB that defines carries frequency spectrum switching command, and the SIB newly defined can be special SIB, not changed week by system information
The constraint of phase.
In LTE system, the SIB1 of carrying frequency spectrum switching command message format is as follows, wherein
FreqMobilityControlInfo is frequency spectrum switching command, and message format is as follows.
SystemInformationBlockType1 ::= SEQUENCE {
cellAccessRelatedInfo SEQUENCE {
plmn-IdentityList PLMN-IdentityList,
trackingAreaCode TrackingAreaCode,
cellIdentity CellIdentity,
cellBarred ENUMERATED {barred, notBarred},
intraFreqReselection ENUMERATED {allowed, notAllowed},
csg-Indication BOOLEAN,
csg-Identity CSG-Identity OPTIONAL--
Need OR
freqMobilityControlInfo FreqMobilityControlInfo OPTIONAL,--
Cond FreqHO
}
}
In LTE system, the new SIB of frequency spectrum switching command is carried（Assuming that referred to as SIBx）Message format it is as follows,
Wherein FreqMobilityControlInfo is frequency spectrum switching command, and message format is as shown in table 1.
SystemInformationBlockTypex ::= SEQUENCE {
freqMobilityControlInfo FreqMobilityControlInfo OPTIONAL,--
Cond FreqHO
lateNonCriticalExtension OCTET STRING OPTIONAL --
Need OP
}
Above-mentioned FreqHO：When frequency spectrum switches, force to occur, otherwise occur without.
User equipment receives broadcast message and obtains frequency spectrum switching command, and indicates that determination frequency spectrum is cut according to frequency spectrum switching command
Cell reselection relevant information when changing.
By taking LTE system as an example, when network side equipment is using SIB1 or new definition SIB carrying frequency spectrum switching commands, use
The SIB1 or special SIB acquisition frequency spectrum switching commands that family equipment can be broadcasted by reading network side equipment.
The mode of cell reselection relevant information when user equipment indicates to determine frequency spectrum switching according to frequency spectrum switching command is such as
Under：
User equipment determines that the target frequency of cell reselection during frequency spectrum switching is the frequency spectrum switching of frequency spectrum switching command instruction
Target frequency.
User equipment determines that the mode of the Target cell ID of cell reselection during frequency spectrum switching is as follows：
If the 1, frequency spectrum switching command contains the Target cell ID of frequency spectrum switching, the Target cell ID of cell reselection is
The frequency spectrum switching target small area ID of frequency spectrum switching command instruction.
If the 2, frequency spectrum switching command does not include the Target cell ID of frequency spectrum switching, and base station is carried out with UE (user equipment)
Agreement (for example arranging by the way that agreement is static, high level configuration dynamic is arranged)：When frequency spectrum switching command does not include Target cell ID,
The Target cell ID of frequency spectrum switching is cell-of-origin ID, then the Target cell ID of cell reselection is cell-of-origin ID.
The 3rd, if frequency spectrum switching command does not include the Target cell ID of frequency spectrum switching, and is not carried out about between base station and UE
It is fixed：The Target cell ID, now cell reselection of cell reselection Target cell when user equipment can not uniquely determine frequency spectrum switching
ID is all possible cell ID.
The 4th, if frequency spectrum switching command includes the execution time of cell reselection when frequency spectrum switches, cell weight when frequency spectrum switches
The frequency spectrum switching that the time is the instruction of frequency spectrum switching command that performs of choosing performs the time.
If the 5, frequency spectrum switching command does not include the frequency spectrum switching execution time, user equipment can receive relevant information
After be immediately performed cell reselection.
For above-mentioned different situation, it is introduced separately below.
Mode one, user equipment receive the target frequency for the carrying out cell reselection during frequency spectrum switching letter from network side equipment
Breath, the cell ID of Target cell can not be determined（Pass through cell ID and center frequency point ability one cell of unique mark）, it is only capable of
Determine the target frequency of the i.e. cell reselection of center frequency point of Target cell, now the specific executive mode of cell reselection can take as
One kind under type：
1st, user equipment is measuring corresponding to target frequency point information on target frequency, when signal measurement on target frequency
When the signal measurements of the maximum cell of value are more than default first threshold value, the signal in user equipment gravity treatment to target frequency
The maximum cell of measured value.
2nd, the signal measurements of user equipment measurement cell-of-origin, at the same it is enterprising in target frequency corresponding to target frequency point information
Row measurement, when the signal measurements of the maximum cell of signal measurements on target frequency are more than the signal measurements of cell-of-origin,
The cell of signal measurements maximum in user equipment gravity treatment to target frequency.
3rd, the signal measurements of user equipment measurement cell-of-origin, when the signal measurements of cell-of-origin are less than second set
During limit value, start measuring on target frequency corresponding to target frequency point information, when signal measurements are maximum on target frequency
The signal measurements of cell when being more than default first threshold value, the signal measurements in user equipment gravity treatment to target frequency
Maximum cell.
4th, the signal measurements of user equipment measurement cell-of-origin, when the signal measurements of cell-of-origin are less than second set
During limit value, start measuring on target frequency corresponding to target frequency point information, when signal measurements are maximum on target frequency
The signal measurements of cell when being more than the signal measurements of cell-of-origin, the signal measurement in user equipment gravity treatment to target frequency
It is worth maximum cell.
When mode two, user equipment can uniquely determine the Target cell ID of cell reselection, and it can determine that in Target cell
Heart frequency, it can now uniquely determine the Target cell of cell reselection.
In force, if user equipment receives the cell ID from network side equipment, future automatic network side apparatus
Cell ID of the cell ID of the cell of notice as Target cell；If user equipment is not received from network side equipment
Cell ID, then the cell ID using the cell ID of cell-of-origin as Target cell, then user equipment is according to target frequency
The cell ID of information and Target cell, carry out cell reselection.
Now the specific executive mode of cell reselection can take one kind in following manner：
1st, user equipment is in Target cell measurement signal measured value, when the signal measurements of Target cell are more than default the
During three threshold values, gravity treatment to Target cell.
2nd, the signal measurements of user equipment measurement cell-of-origin, while in Target cell measurement signal measured value, work as target
When the signal measurements of cell are more than the signal measurements of cell-of-origin, gravity treatment to Target cell.
3rd, the signal measurements of user equipment measurement cell-of-origin, when the signal measurements of cell-of-origin are less than the 4th threshold value
When, start in Target cell measurement signal measured value, when the signal measurements of Target cell are more than default three threshold value,
User equipment gravity treatment is to Target cell.
4th, the signal measurements of user equipment measurement cell-of-origin, when the signal measurements of cell-of-origin are less than the 4th threshold value
When, start in Target cell measurement signal measured value, when the signal measurements of Target cell are more than the signal measurements of cell-of-origin
When, gravity treatment to Target cell.
5th, Target cell corresponding to the direct gravity treatment of user equipment to the cell ID of target frequency point information and Target cell.
For aforesaid way one：
It is preferred that user equipment in the setting duration after receiving the target frequency point information from network side equipment in institute
State and measured corresponding to target frequency point information on target frequency；Or receive the target frequency point information from network side equipment it
Afterwards, N1 measurement is being carried out corresponding to the target frequency point information on target frequency, N1 is positive integer.
For aforesaid way two：
It is preferred that user equipment in the setting duration after receiving the target frequency point information from network side equipment in institute
State Target cell measurement signal measured value；Or after the target frequency point information from network side equipment is received, in Target cell
N2 signal measurements are measured, N2 is positive integer.
For aforesaid way one and mode two：
User equipment comes in the setting duration after receiving the target frequency point information from network side equipment or receiving
The signal measurements of measurement cell-of-origin in setting duration after being reached between at the beginning of the frequency spectrum switching of automatic network side apparatus；Or
The target frequency point information from network side equipment is received afterwards or at the beginning of the switching of the frequency spectrum from network side equipment is received
Between reach after, measure N3 cell-of-origin signal measurements, N3 is positive integer.
For aforesaid way one and mode two：
It is preferred that when the distance of user equipment and network side equipment is less than five threshold values, user equipment is according to target
Frequency point information carries out cell reselection.
Above-mentioned each threshold value can be set by network side equipment, and be broadcasted in cell, and user equipment passes through reading
Broadcast message obtains pre-determined threshold；User equipment can also sets itself；It can also provide in the protocol.
For aforesaid way one and mode two：
Between if user equipment is received at the beginning of the frequency spectrum switching from network side equipment, at the beginning of frequency spectrum switches
Between reach after, according to target frequency point information carry out cell reselection.
In force, if the re-selecting cell that user equipment is not adapted to according to aforesaid way, user equipment can be no longer
Cell reselection is carried out according to target frequency point information, other can be selected to carry out cell reselection according to target frequency point information.
For example user equipment is in cell edge, it is possible to which it is better than Target cell the signal quality of other cells occur, and mesh
Mark cell can not meet communicating requirement, so the re-selecting cell not being adapted to according to aforesaid way, user equipment can no longer root
Cell reselection is carried out according to target frequency point information.
Above-mentioned signal measurements can be at least one in following measured value：
RSRP（Reference signal received power, Reference Signal Received Power）Value, RSRQ
（Reference Signal Received Quality, Reference Signal Received Quality）Value, the measured value determined according to RSRP values
With the measured value determined according to RSRQ values（Two values next may refer to the agreements of 3GPP TS 36.304）, and other can be anti-
Reflect the parameter value of cell signal quality.
If signal measurements be above-mentioned measured value in it is multiple, when compared with threshold value, different measured values with
Corresponding threshold value is compared.For example signal measurements are RSRP values and RSRQ values, are compared with the first measurement threshold value
Compared with when, RSRP values with corresponding to RSRP values first measurement threshold value compared with, RSRQ values it is corresponding with RSRQ values first measure
Threshold value is compared.
If the signal measurements in target frequency or cell are multiple in above-mentioned measured value, if all measured values are all
After threshold value or the signal measurements of cell-of-origin, it is determined that signal measurements are more than the signal measurement of threshold value or cell-of-origin
Value；If having partially larger than threshold value or the signal measurements of cell-of-origin in all measured values, and it is more than threshold value or cell-of-origin
The quantity of signal measurements be more than the quantity of the signal measurements less than threshold value or cell-of-origin, it is determined that signal measurements are big
Signal measurements in threshold value or cell-of-origin, as long as can be to there is the letter having in all measured values more than threshold value or cell-of-origin
Number measured value, it is determined that signal measurements are more than threshold value or the signal measurements of cell-of-origin.
If the signal measurements in target frequency or cell are multiple in above-mentioned measured value, a signal can be selected
Measured value（That is the signal measurements highest priority of selection）, now only need the signal measurements of selection and threshold value or source
The signal measurements of cell are compared.Priority can provide by the way that agreement is static, or base station leads to the priority of selection
Know and decided in its sole discretion to UE, or UE.
If the signal measurements on cell-of-origin are multiple in above-mentioned measured value, if all measured values are below thresholding
After value, it is determined that signal measurements are less than threshold value；Or if had in all measured values partially below threshold value, and it is less than door
The quantity of the signal measurements of limit value is more than the quantity of the signal measurements not less than threshold value, it is determined that signal measurements are less than
Threshold value, as long as can have to have in all measured values less than threshold value, it is determined that signal measurements are less than threshold value.
If the signal measurements on cell-of-origin are multiple in above-mentioned measured value, a signal measurements can be selected
（That is the signal measurements highest priority of selection）, the signal measurements by selection are now only needed compared with threshold value.
Priority can provide that either base station decides the priority notification of selection to UE or UE in its sole discretion by the way that agreement is static.
The network side equipment of the embodiment of the present invention can be base station（Such as macro base station, Home eNodeB etc.）Or RN
（Relaying）Equipment, it can also be other network side equipments.
As shown in Fig. 2 the network side equipment in the system of cell reselection of the embodiment of the present invention includes：The He of determining module 200
Notification module 210.
Determining module 200, for need carry out frequency spectrum switching after, it is determined that carry out frequency spectrum switching when cell reselection target
Frequency point information；
Notification module 210, for by the target frequency point information notifying user equipment of determination, so that user equipment is according to target
Frequency point information carries out cell reselection.
It is preferred that at the beginning of cell ID and/or the frequency spectrum switching for the Target cell that notification module 210 switches frequency spectrum
Between, user equipment is sent to target frequency point information, so that the beginning that user equipment switches according to cell ID and/or frequency spectrum
Time carries out cell reselection.
It is preferred that notification module 210 is by broadcasting the message the target frequency point information notifying user equipment of determination.
As shown in figure 3, the user equipment in the system of cell reselection of the embodiment of the present invention includes：Receiving module 300 and again
Modeling block 310.
Receiving module 300, for receive from network side equipment carry out frequency spectrum switching when cell reselection target frequency
Information；
Gravity treatment module 310, for carrying out cell reselection according to target frequency point information.
It is preferred that gravity treatment module 310 is measuring corresponding to target frequency point information on target frequency, on target frequency
After maximum signal measurements are more than the first threshold value, gravity treatment to the maximum cell of signal measurements；Or in target frequency point information
Measured on corresponding target frequency, maximum signal measurements are more than the signal measurements of cell-of-origin on target frequency
Afterwards, cell of the gravity treatment to signal measurements maximum.
It is preferred that gravity treatment module 310 determines the signal measurements of cell-of-origin according to following manner：
It is corresponding in target frequency point information in the setting duration after receiving the target frequency point information from network side equipment
Target frequency on measure；Or after the target frequency point information from network side equipment is received, in target frequency point information
N1 measurement is carried out on corresponding target frequency, N1 is positive integer.
It is preferred that after gravity treatment module 310 determines that the signal measurements of cell-of-origin are less than the second threshold value, believe in target frequency
Measured corresponding to breath on target frequency.
It is preferred that cell ID of the gravity treatment module 310 using the cell ID of cell-of-origin as Target cell, or net will be come from
Cell ID of the cell ID of the cell of network side apparatus notice as Target cell；According to target frequency point information and Target cell
Cell ID, carry out cell reselection.
It is preferred that gravity treatment module 310 determines Target cell corresponding to the cell ID of target frequency point information and Target cell,
In Target cell measurement signal measured value, when the signal measurements of Target cell are more than three threshold values or in Target cell
When signal measurements are more than the signal measurements of cell-of-origin, cell reselection is carried out；Or determine target frequency point information and Target cell
Cell ID corresponding to Target cell, lay equal stress on and choose Target cell.
It is preferred that gravity treatment module 310 is in the setting duration after receiving the target frequency point information from network side equipment
In Target cell measurement signal measured value；Or after the target frequency point information from network side equipment is received, in Target cell
N2 signal measurements are measured, N2 is positive integer.
It is preferred that after gravity treatment module 310 determines that the signal measurements of cell-of-origin are less than the 4th threshold value, surveyed in Target cell
Measure signal measurements.
It is preferred that gravity treatment module 310 determines the signal measurements of cell-of-origin according to following manner：
Network side is come from the setting duration after receiving the target frequency point information from network side equipment or receiving
The signal measurements of measurement cell-of-origin in setting duration after being reached between at the beginning of the frequency spectrum switching of equipment；Or come from receiving
After the target frequency point information of network side equipment or after being reached between receiving at the beginning of the switching of the frequency spectrum from network side equipment,
The signal measurements of N2 cell-of-origin are measured, N2 is positive integer.
It is preferred that gravity treatment module 310 is determined after being less than the 5th threshold value with the distance of network side equipment, according to target frequency
Information carries out cell reselection.
If it is preferred that between receiving at the beginning of the frequency spectrum switching from network side equipment, gravity treatment module 310 is in frequency spectrum
After being reached between at the beginning of switching, cell reselection is carried out according to target frequency point information.
Based on same inventive concept, a kind of network side equipment notifying user equipment is additionally provided in the embodiment of the present invention and is carried out
The method that the method and user equipment of network reselection carry out network reselection, because these methods solve the principle of problem and the present invention
The system of embodiment cell reselection is similar, therefore the implementation of these methods may refer to the implementation of system, and it is no longer superfluous to repeat part
State.
As shown in figure 4, under the method for network side equipment of embodiment of the present invention notifying user equipment progress network reselection includes
Row step：
Step 401, network side equipment are after needing to carry out frequency spectrum switching, it is determined that carrying out the mesh of cell reselection during frequency spectrum switching
Mark frequency point information；
Step 402, network side equipment are by the target frequency point information notifying user equipment of determination, so that user equipment is according to mesh
Mark frequency point information and carry out cell reselection.
It is preferred that network side equipment determines to carry out during frequency spectrum switching after the target frequency point information of cell reselection, by frequency spectrum
Between at the beginning of cell ID and/or the frequency spectrum switching of the Target cell of switching, user equipment is sent to target frequency point information,
So that user equipment switched according to cell ID and/or frequency spectrum at the beginning of between carry out cell reselection.
It is preferred that network side equipment is by broadcasting the message the target frequency point information notifying user equipment of determination.
As shown in figure 5, the method that user equipment of the embodiment of the present invention carries out network reselection comprises the following steps：
Step 501, user equipment receive the target frequency for carrying out cell reselection during frequency spectrum switching from network side equipment
Information；
Step 502, user equipment carry out cell reselection according to target frequency point information.
The mode that user equipment carries out cell reselection according to target frequency point information has many kinds, is set forth below several：
Mode one, user equipment are measuring corresponding to target frequency point information on target frequency, on target frequency most
After big signal measurements are more than the first threshold value, gravity treatment to the maximum cell of signal measurements；Or
User equipment is measuring corresponding to target frequency point information on target frequency, the maximum signal on target frequency
After measured value is more than the signal measurements of cell-of-origin, gravity treatment to the maximum cell of signal measurements.
It is preferred that user equipment in the setting duration after receiving the target frequency point information from network side equipment in mesh
Measured corresponding to mark frequency point information on target frequency；Or
User equipment is after the target frequency point information from network side equipment is received, in mesh corresponding to target frequency point information
N1 measurement is carried out on mark frequency, N1 is positive integer.
It is preferred that user equipment determines cell-of-origin before being measured corresponding to target frequency point information on target frequency
Signal measurements be less than the second threshold value.
The cell ID of mode two, user equipment using the cell ID of cell-of-origin as Target cell, or automatic network in future
Cell ID of the cell ID of the cell of side apparatus notice as Target cell；
User equipment carries out cell reselection according to target frequency point information and the cell ID of Target cell.
It is preferred that user equipment determines Target cell corresponding to the cell ID of target frequency point information and Target cell,
Target cell measurement signal measured value, the letter when the signal measurements of Target cell are more than three threshold values or in Target cell
When number measured value is more than the signal measurements of cell-of-origin, cell reselection is carried out；Or
User equipment determine the cell ID of target frequency point information and Target cell corresponding to Target cell, lay equal stress on and choose mesh
Mark cell.
It is preferred that user equipment in the setting duration after receiving the target frequency point information from network side equipment in mesh
Mark cell measurement signal measurements；Or
User equipment measures N2 letter after the target frequency point information from network side equipment is received, in Target cell
Number measured value, N2 is positive integer.
It is preferred that user equipment before Target cell measurement signal measured value, determines that the signal measurements of cell-of-origin are low
In the 4th threshold value.
It is preferred that being directed to mode one and mode two, user equipment determines the signal measurements of cell-of-origin according to following manner：
User equipment comes in the setting duration after receiving the target frequency point information from network side equipment or receiving
The signal measurements of measurement cell-of-origin in setting duration after being reached between at the beginning of the frequency spectrum switching of automatic network side apparatus；Or
User equipment comes from network side equipment after the target frequency point information from network side equipment is received or receiving
Frequency spectrum switching at the beginning of between reach after, measure N2 cell-of-origin signal measurements, N2 is positive integer.
It is preferred that after user equipment receives the target frequency point information from network side equipment, according to target frequency point information
Before carrying out cell reselection, in addition to：
User equipment determines to be less than the 5th threshold value with the distance of network side equipment.
It is preferred that between if user equipment is received at the beginning of the frequency spectrum switching from network side equipment, switch in frequency spectrum
At the beginning of between reach after, according to target frequency point information carry out cell reselection.
As shown in fig. 6, in cognitive radio system of the embodiment of the present invention residence reselecting base station side implementation method bag
Include：
Step 601, base station are run in the working frequency points of source；
Whether step 602, base station decision-making need to perform frequency spectrum switching, if it is, performing step 603；Otherwise, step is performed
Rapid 601；
Step 603, base station broadcast frequency spectrum switching command, the cell in indicating cell during the switching of all user equipment frequency spectrums
Reselection information（The target frequency point information of cell reselection during including carrying out frequency spectrum switching, the target that can also include frequency spectrum switching are small
Between at the beginning of cell ID and/or the frequency spectrum switching in area）；
Step 604, base station perform frequency spectrum handoff procedure, leave source working frequency points, recover cell in target frequency.
As shown in fig. 7, in cognitive radio system of the embodiment of the present invention residence reselecting user equipment side realization side
Method includes：
Step 701, user equipment are run in the working frequency points of source；
Whether frequency spectrum switching command is included in step 702, user equipment monitors system broadcasts, if it is, performing step
703；Otherwise, step 701 is performed；
Step 703, user equipment cut cell reselection information when order determines frequency spectrum switching according to frequency spectrum；
Cell reselection information when step 704, user equipment switch according to the frequency spectrum of acquisition performs cell reselection process.
As shown in figure 8, the method for cell reselection comprises the following steps in LTE-CR systems of the embodiment of the present invention：
Step 801, eNode B decision-makings need to perform frequency spectrum switching.
Step 802, eNode B broadcast spectrum switching command in the cell, during all UE frequency spectrums switching in indicating cell
Cell reselection relevant information.
Specifically, eNode B（Evolution base station）Find that authorized user is working as by accessing the modes such as database or perception
Reappeared in preceding working frequency points, or when base station finds that current working frequency channel quality is declined to a certain extent, base station decision-making needs
Perform frequency spectrum switching.
Standby frequency list is safeguarded in base station by accessing the modes such as database or perception at work, when decision-making needs to hold
During line frequency spectrum switching, one target frequency as frequency spectrum switching of selection from the standby frequency list of its maintenance（Target cell
Center frequency point）.
Frequency spectrum switching command includes the target frequency point information of frequency spectrum switching, and the target frequency point information is used to indicate that frequency spectrum switches
When terminal housing estate gravity treatment target frequency point information；Frequency spectrum switching command also includes the Target cell ID of frequency spectrum switching, for indicating
The Target cell ID of cell reselection when UE frequency spectrums switch.It is as shown in the table.
The intermediate frequency spectrum switching command of the embodiment of the present invention of table 2.
ENode B newly define special SIB carryings frequency spectrum switching command, and when decision-making needs frequency spectrum to switch, eNode
B broadcasts the special SIB of n times carrying frequency spectrum switching command in cell, and the preferred values of N are 4.
Step 803, UE receive broadcast message and obtain frequency spectrum switching command, and indicate determination frequency spectrum according to frequency spectrum switching command
Cell reselection relevant information during switching.
In the present embodiment, the special SIB that UE carries frequency spectrum switching command by reading obtains frequency spectrum switching command.
The mode of cell reselection relevant information when UE indicates to determine frequency spectrum switching according to frequency spectrum switching command is as follows：
UE determines that the target frequency of cell reselection during frequency spectrum switching switches target frequency for the frequency spectrum of frequency spectrum switching command instruction
Point.
UE determines that the frequency spectrum that the Target cell ID of cell reselection during frequency spectrum switching is the instruction of frequency spectrum switching command switches target
Cell ID.
The time is performed because frequency spectrum switching command does not include frequency spectrum switching, then user equipment is immediately performed step after this step
Rapid 805.
Step 804, eNode B perform frequency spectrum handoff procedure：Source working frequency points are left, and recover cell in target frequency.
Cell reselection relevant information performs cell reselection process when step 805, UE switch according to the frequency spectrum of acquisition, and gravity treatment is arrived
ENode B are in the cell that target frequency recovers.
Wherein, there is no inevitable sequential relationship between step 804 and step 803, step 805, eNode B can basis
Frequency spectrum switching performs time execution step 804.
Because in said process, UE can uniquely determine the Target cell ID of cell reselection, and can determine that in Target cell
Heart frequency, therefore UE can uniquely determine the Target cell of cell reselection.Now the specific executive mode of cell reselection can be：UE exists
Target cell performs measurement, when the signal measurements of Target cell are more than pre-determined threshold, UE gravity treatments to Target cell.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by each in computer program instructions implementation process figure and/or block diagram
Flow and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computers can be provided
Processor of the programmed instruction to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices
To produce a machine so that produce use by the instruction of computer or the computing device of other programmable data processing devices
In the dress for realizing the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
Put.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (25)
- A kind of 1. method of cell reselection, it is characterised in that this method includes：User equipment receives the target frequency point information for carrying out cell reselection during frequency spectrum switching from network side equipment；The user equipment carries out cell reselection according to the target frequency point information；Wherein, the user equipment carries out cell reselection according to the target frequency point information, including：The user equipment is measuring corresponding to the target frequency point information on target frequency, on the target frequency most After big signal measurements are more than the first threshold value, gravity treatment to the maximum cell of signal measurements；OrThe user equipment is measuring corresponding to the target frequency point information on target frequency, on the target frequency most After big signal measurements are more than the signal measurements of cell-of-origin, gravity treatment to the maximum cell of signal measurements；OrCell ID of the user equipment using the cell ID of cell-of-origin as Target cell, or will be set from the network side Cell ID of the cell ID of the cell of standby notice as Target cell；The user equipment is according to the target frequency point information With the cell ID of Target cell, cell reselection is carried out.
- 2. the method as described in claim 1, it is characterised in that the user equipment is in mesh corresponding to the target frequency point information Measured on mark frequency, including：The user equipment is in the setting duration after receiving the target frequency point information from network side equipment in the target Measured corresponding to frequency point information on target frequency；OrThe user equipment is corresponding in the target frequency point information after the target frequency point information from network side equipment is received Target frequency on carry out N1 times measurement, N1 is positive integer.
- 3. the method as described in claim 1, it is characterised in that the user equipment is in mesh corresponding to the target frequency point information Before being measured on mark frequency, in addition to：The user equipment determines that the signal measurements of cell-of-origin are less than the second threshold value.
- 4. the method as described in claim 1, it is characterised in that the user equipment is according to according to the target frequency point information and mesh The cell ID of cell is marked, carries out cell reselection, including：The user equipment determines Target cell corresponding to the cell ID of the target frequency point information and Target cell, described Target cell measurement signal measured value, when the signal measurements of the Target cell are more than three threshold values or in the target When the signal measurements of cell are more than the signal measurements of cell-of-origin, cell reselection is carried out；OrThe user equipment determines Target cell corresponding to the cell ID of the target frequency point information and Target cell, and gravity treatment To the Target cell.
- 5. method as claimed in claim 4, it is characterised in that the user equipment measures in the Target cell measurement signal Value, including：The user equipment is in the setting duration after receiving the target frequency point information from network side equipment in the target Cell measurement signal measurements；OrThe user equipment measures N2 times after the target frequency point information from network side equipment is received in the Target cell Signal measurements, N2 are positive integer.
- 6. method as claimed in claim 4, it is characterised in that the user equipment measures in the Target cell measurement signal Before value, in addition to：The user equipment determines that the signal measurements of cell-of-origin are less than the 4th threshold value.
- 7. the method as described in claim 3 or 6, it is characterised in that the user equipment determines cell-of-origin according to following manner Signal measurements：The user equipment comes in the setting duration after receiving the target frequency point information from network side equipment or receiving The signal measurements of measurement cell-of-origin in setting duration after being reached between at the beginning of the frequency spectrum switching of automatic network side apparatus；OrThe user equipment comes from network side equipment after the target frequency point information from network side equipment is received or receiving Frequency spectrum switching at the beginning of between reach after, measure N3 cell-of-origin signal measurements, N3 is positive integer.
- 8. the method as described in claim 1, it is characterised in that the user equipment receives the target frequency from network side equipment After point information, before carrying out cell reselection according to the target frequency point information, in addition to：The user equipment determines to be less than the 5th threshold value with the distance of the network side equipment.
- 9. claim 1~6,8 it is any as described in method, it is characterised in that the user equipment is according to the target frequency Information carries out cell reselection, including：If between the user equipment is received at the beginning of the frequency spectrum switching from network side equipment, in opening for frequency spectrum switching Begin after time arrival, cell reselection is carried out according to the target frequency point information.
- A kind of 10. method of cell reselection, it is characterised in that this method includes：Network side equipment determines to carry out the target frequency point information of cell reselection during frequency spectrum switching；The network side equipment is by the target frequency point information notifying user equipment of determination, so that the user equipment is according to institute State target frequency point information and carry out cell reselection；Wherein, the user equipment carries out cell reselection according to the target frequency point information in the following way：Measured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the first threshold value, gravity treatment to the maximum cell of signal measurements；OrMeasured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the signal measurements of cell-of-origin, gravity treatment to the maximum cell of signal measurements；OrCell ID using the cell ID of cell-of-origin as Target cell, or the cell that will be notified from the network side equipment Cell ID of the cell ID as Target cell；The user equipment is according to the target frequency point information and Target cell Cell ID, carry out cell reselection.
- 11. method as claimed in claim 10, it is characterised in that the network side equipment determines to carry out cell during frequency spectrum switching After the target frequency point information of gravity treatment, in addition to：Between at the beginning of cell ID and/or the frequency spectrum switching for the Target cell that the network side equipment switches frequency spectrum, with institute State target frequency point information and be sent to the user equipment, so that what the user equipment switched according to cell ID and/or frequency spectrum Time started carries out cell reselection.
- 12. method as claimed in claim 10, it is characterised in that the network side equipment believes the target frequency of determination Notifying user equipment is ceased, including：The network side equipment is by broadcasting the message the target frequency point information notifying user equipment of determination.
- 13. a kind of user equipment of cell reselection, it is characterised in that the user equipment includes：Receiving module, for receive from network side equipment carry out frequency spectrum switching when cell reselection target frequency point information；Gravity treatment module, for carrying out cell reselection according to the target frequency point information；The gravity treatment module is specifically used for：Measured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the first threshold value, gravity treatment to the maximum cell of signal measurements；OrMeasured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the signal measurements of cell-of-origin, gravity treatment to the maximum cell of signal measurements；OrCell ID using the cell ID of cell-of-origin as Target cell, or the cell that will be notified from the network side equipment Cell ID of the cell ID as Target cell；According to the target frequency point information and the cell ID of Target cell, enter Row cell reselection.
- 14. user equipment as claimed in claim 13, it is characterised in that the gravity treatment module determines that source is small according to following manner The signal measurements in area：It is corresponding in the target frequency point information in the setting duration after receiving the target frequency point information from network side equipment Target frequency on measure；Or after the target frequency point information from network side equipment is received, in the target frequency N1 measurement is carried out corresponding to information on target frequency, N1 is positive integer.
- 15. user equipment as claimed in claim 13, it is characterised in that the gravity treatment module is additionally operable to：After determining that the signal measurements of cell-of-origin are less than the second threshold value, corresponding to the target frequency point information on target frequency Measure.
- 16. user equipment as claimed in claim 13, it is characterised in that the gravity treatment module is specifically used for：Target cell corresponding to the cell ID of the target frequency point information and Target cell is determined, is measured in the Target cell Signal measurements, surveyed when the signal measurements of the Target cell are more than three threshold values or in the signal of the Target cell When value is more than the signal measurements of cell-of-origin, cell reselection is carried out；Or determine the target frequency point information and Target cell Target cell corresponding to cell ID, lay equal stress on and choose the Target cell.
- 17. user equipment as claimed in claim 16, it is characterised in that the gravity treatment module is specifically used for：In the Target cell measurement signal in the setting duration after receiving the target frequency point information from network side equipment Measured value；Or after the target frequency point information from network side equipment is received, measure N2 signal in the Target cell and survey Value, N2 are positive integer.
- 18. user equipment as claimed in claim 16, it is characterised in that the gravity treatment module is additionally operable to：After determining that the signal measurements of cell-of-origin are less than the 4th threshold value, in the Target cell measurement signal measured value.
- 19. the user equipment as described in claim 15 or 18, it is characterised in that the gravity treatment module determines according to following manner The signal measurements of cell-of-origin：Network side equipment is come from the setting duration after receiving the target frequency point information from network side equipment or receiving Frequency spectrum switching at the beginning of between reach after setting duration in measurement cell-of-origin signal measurements；Or carry out automatic network receiving After the target frequency point information of side apparatus or after being reached between receiving at the beginning of the switching of the frequency spectrum from network side equipment, measurement The signal measurements of N2 cell-of-origin, N2 are positive integer.
- 20. user equipment as claimed in claim 13, it is characterised in that the gravity treatment module is additionally operable to：It is determined that after being less than the 5th threshold value with the distance of the network side equipment, cell weight is carried out according to the target frequency point information Choosing.
- 21. claim 13~18,20 it is any as described in user equipment, it is characterised in that the gravity treatment module is specifically used for：If between receiving at the beginning of the frequency spectrum switching from network side equipment, reached between at the beginning of the frequency spectrum switches Afterwards, cell reselection is carried out according to the target frequency point information.
- 22. a kind of network side equipment of cell reselection, it is characterised in that the network side equipment includes：Determining module, for need carry out frequency spectrum switching after, it is determined that carry out frequency spectrum switching when cell reselection target frequency letter Breath；Notification module, for by the target frequency point information notifying user equipment of determination, so that the user equipment is according to institute State target frequency point information and carry out cell reselection；Wherein, the user equipment carries out cell reselection according to the target frequency point information in the following way：Measured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the first threshold value, gravity treatment to the maximum cell of signal measurements；OrMeasured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the signal measurements of cell-of-origin, gravity treatment to the maximum cell of signal measurements；OrCell ID using the cell ID of cell-of-origin as Target cell, or the cell that will be notified from the network side equipment Cell ID of the cell ID as Target cell；According to the target frequency point information and the cell ID of Target cell, enter Row cell reselection.
- 23. network side equipment as claimed in claim 22, it is characterised in that the notification module is additionally operable to：Between at the beginning of the cell ID of the Target cell of frequency spectrum switching and/or frequency spectrum are switched, with the target frequency point information The user equipment is sent to, so as to be carried out between at the beginning of the user equipment switches according to cell ID and/or frequency spectrum small Area's gravity treatment.
- 24. network side equipment as claimed in claim 22, it is characterised in that the notification module is specifically used for：By broadcasting the message the target frequency point information notifying user equipment of determination.
- 25. a kind of system of cell reselection, it is characterised in that the system includes：Network side equipment, for need carry out frequency spectrum switching after, it is determined that carry out frequency spectrum switching when cell reselection target frequency Information, by the target frequency point information notifying user equipment of determination；User equipment, for receive from network side equipment carry out frequency spectrum switching when cell reselection target frequency point information, root Cell reselection is carried out according to the target frequency point information；Wherein, the user equipment carries out cell reselection according to the target frequency point information in the following way：Measured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the first threshold value, gravity treatment to the maximum cell of signal measurements；OrMeasured corresponding to the target frequency point information on target frequency, the maximum signal measurement on the target frequency After value is more than the signal measurements of cell-of-origin, gravity treatment to the maximum cell of signal measurements；OrCell ID using the cell ID of cell-of-origin as Target cell, or the cell that will be notified from the network side equipment Cell ID of the cell ID as Target cell；According to the target frequency point information and the cell ID of Target cell, enter Row cell reselection.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105530669B (en) * | 2014-09-29 | 2020-07-14 | 中兴通讯股份有限公司 | Method and device for setting reselection priority |
| CN106900033B (en) * | 2015-12-17 | 2020-02-21 | 中国电信股份有限公司 | Carrier reselection method and system and flexible bandwidth terminal |
| CN108347749B (en) * | 2017-01-24 | 2021-01-15 | 中国移动通信有限公司研究院 | Switching method, user equipment and base station |
| CN109041067B (en) | 2017-06-12 | 2021-03-23 | 维沃移动通信有限公司 | Communication method, mobile terminal, base station and computer readable storage medium |
| CN110740488B (en) | 2018-07-20 | 2020-10-16 | 维沃移动通信有限公司 | Method for cell selection, user equipment and network side equipment |
| CN111866961B (en) * | 2019-04-25 | 2023-05-09 | 中国移动通信有限公司研究院 | Method and device for reselecting standby cell and computer readable storage medium |
| CN112055386B (en) * | 2019-06-06 | 2022-04-29 | 成都鼎桥通信技术有限公司 | Resident carrier selection method and equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2343947A1 (en) * | 2010-01-08 | 2011-07-13 | Research in Motion Limited | System and method for coordinated multi-point network operation to reduce radio link failure during handover |
| CN102196452A (en) * | 2010-03-11 | 2011-09-21 | 中国移动通信集团公司 | Frequency switching method and equipment |
| CN102457856A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Method, device and system for realizing frequency point removal based on CR (Cognitive Radio) |
| CN102457863A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Method, device and system for realizing cell switch based on CR (Cognitive Radio) |
| CN102457928A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Frequency point migration triggering method, frequency point migration method, system and device |
-
2013
- 2013-03-01 CN CN201310066101.4A patent/CN104023362B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2343947A1 (en) * | 2010-01-08 | 2011-07-13 | Research in Motion Limited | System and method for coordinated multi-point network operation to reduce radio link failure during handover |
| CN102196452A (en) * | 2010-03-11 | 2011-09-21 | 中国移动通信集团公司 | Frequency switching method and equipment |
| CN102457856A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Method, device and system for realizing frequency point removal based on CR (Cognitive Radio) |
| CN102457863A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Method, device and system for realizing cell switch based on CR (Cognitive Radio) |
| CN102457928A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Frequency point migration triggering method, frequency point migration method, system and device |
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