CN110831078A - Cell reselection method, terminal and network side equipment - Google Patents

Cell reselection method, terminal and network side equipment Download PDF

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Publication number
CN110831078A
CN110831078A CN201810898697.7A CN201810898697A CN110831078A CN 110831078 A CN110831078 A CN 110831078A CN 201810898697 A CN201810898697 A CN 201810898697A CN 110831078 A CN110831078 A CN 110831078A
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Prior art keywords
terminal
cell reselection
priority
indication information
target
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CN201810898697.7A
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CN110831078B (en
Inventor
梁敬
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201810898697.7A priority Critical patent/CN110831078B/en
Priority to PCT/CN2019/099342 priority patent/WO2020029934A1/en
Publication of CN110831078A publication Critical patent/CN110831078A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • 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
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • 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
    • H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a cell reselection method, a terminal and network side equipment, wherein the method corresponding to the terminal comprises the following steps: performing cell reselection by using the cell reselection target priority; the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority. In the invention, when the terminal reselects the cell, the target modification parameter can be used for adjusting the cell reselection priority according to the self requirement, so that the cell reselected by the terminal can better adapt to the requirement of the terminal, and the communication performance of the terminal is favorably improved.

Description

Cell reselection method, terminal and network side equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a cell reselection method, a terminal, and a network side device.
Background
At present, network side equipment may send a priority for cell reselection to a terminal through an RRC connection release (rrcreelease) message or a system message, where the priority is allocated according to a frequency point. The terminal may sequentially evaluate whether each frequency point has a suitable reselected target cell from a high-priority frequency point based on the sequence of the priority of the frequency points provided by the network side device, and only a suitable cell may be used as the reselected target cell. At present, network side equipment generally allocates priority of frequency points based on load conditions of different frequency points, so as to achieve the purpose of load balancing. However, the way of allocating the priorities of the frequency points based on the load situation only may result in that the target cell reselected by the terminal cannot adapt well to the requirements of the terminal.
Disclosure of Invention
The embodiment of the invention provides a cell reselection method, a terminal and network side equipment, which aim to solve the problem that a target cell reselected by the terminal cannot well adapt to the requirements of the terminal due to the existing cell reselection method.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a cell reselection method, which is applied to a terminal, and the method includes:
performing cell reselection by using the cell reselection target priority;
the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
In a second aspect, an embodiment of the present invention provides another cell reselection method, where the method is applied to a network side device, and the method includes:
sending indication information indicating target modification parameters to a terminal;
the indication information is used for modifying the cell reselection priority sent by the network side equipment.
In a third aspect, an embodiment of the present invention provides a terminal, including:
the cell reselection module is used for performing cell reselection by utilizing the cell reselection target priority;
the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
In a fourth aspect, an embodiment of the present invention provides a network side device, including:
the sending module is used for sending indication information indicating the target modification parameters to the terminal;
the indication information is used for modifying the cell reselection priority sent by the network side equipment.
In a fifth aspect, an embodiment of the present invention provides a terminal, including: the cell reselection method comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the computer program realizes the steps in the cell reselection method corresponding to the terminal provided by the embodiment of the invention when being executed by the processor.
In a sixth aspect, an embodiment of the present invention provides a network side device, including: the cell reselection method comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the steps in the cell reselection method corresponding to the network side device provided by the embodiment of the invention.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the steps of the cell reselection method corresponding to the terminal provided in the embodiment of the present invention; or, implementing the steps of the cell reselection method corresponding to the network side device provided by the embodiment of the present invention.
In the embodiment of the invention, when the terminal reselects the cell, the target modification parameter can be used for adjusting the cell reselection priority according to the self requirement, so that the cell reselected by the terminal can better adapt to the requirement of the terminal, and the communication performance of the terminal is favorably improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a structural diagram of a cell reselection system according to an embodiment of the present invention;
fig. 2 is a flowchart of a cell reselection method according to an embodiment of the present invention;
fig. 3 is a flowchart of another cell reselection method according to an embodiment of the present invention;
fig. 4 is a structural diagram of a terminal according to an embodiment of the present invention;
fig. 5 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 6 is a block diagram of another terminal provided in an embodiment of the present invention;
fig. 7 is a structural diagram of a network side device according to an embodiment of the present invention;
fig. 8 is a block diagram of another network-side device according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present invention;
fig. 10 is a schematic hardware structure diagram of a network-side device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
When the terminal is started, the terminal needs to select an initial cell, and in the initial cell selection process, the terminal scans all radio frequency channels (RF channels) one by one according to the capability of the terminal to find a suitable cell. At each scanned carrier frequency, the terminal only needs to search the cell with the strongest signal quality, and once a suitable cell is found, the cell is selected to camp on.
When the terminal crosses from one cell to another cell in a non-connected state, the terminal needs to perform cell reselection. In the existing cell reselection process, a terminal sequentially evaluates whether each frequency point has a suitable reselection target cell from a high-priority frequency point based on the sequence of the priority of the frequency points provided by network side equipment, and only a suitable cell (suiteable cell) can be used as the reselection target cell. For different frequency points, the frequency points can be configured to have the same frequency point priority, and can also be configured to have different frequency point priorities. The suitable cell refers to a cell in which the terminal can camp and obtain normal service. The unconnected state includes an idle (idle) state or an inactive (inactive) state.
For example, in the cell reselection process, when the terminal resides in the serving cell, if there are cells on the frequency point of the higher priority NR or other RATs, the time period for Treselection is satisfiedRAT(i.e., value of cell reselection timer) intra-cell signal quality Squal>Threshold value ThreshX，HighQThe terminal may initiate a reselection process to a cell on a frequency point of a higher priority NR or other RAT; or if there are cells on the frequency bins of higher priority NR or other RATs that meet Treselection for a period of timeRATInternal signal strength Srxlev>Threshold (THD)Value ThreshX，HighPAnd the terminal has resided for more than one second in the current serving cell, the terminal may initiate a reselection process to a cell on a frequency point of a higher priority NR or other RAT.
Currently, the carrying of the cell reselection priority may be carried in an rrcreelease message or a system message. The cell reselection priority carried in the RRCRelease message is a special priority, and if the RRCRelease message does not carry the cell reselection priority, the terminal takes the cell priority broadcasted in the system message as the standard. Currently, the cell reselection priorities are 0-7, where 0 represents the lowest priority and 7 represents the highest priority.
At present, network side equipment may allocate priorities of frequency points based on load conditions of different frequency points, so as to achieve the purpose of load balancing. However, the way of allocating the priorities of the frequency points based on the load situation only may result in that the target cell reselected by the terminal cannot adapt well to the requirements of the terminal.
Therefore, the embodiment of the present invention aims to provide a cell reselection method, so that a cell reselection mechanism of a terminal does not only comply with the frequency point priority indicated by a network side device, but may introduce another cell reselection mechanism. For example, based on service-based cell reselection, a terminal may tend to camp on a frequency point that provides a service of interest to itself; based on cell reselection of an RNA (RAN-based notification Area), an inactive terminal may preferentially select a cell belonging to the same RNA; and so on.
The following specifically describes a cell reselection system, a cell reselection method, a terminal, and a network side device according to embodiments of the present invention.
The cell reselection method provided by the embodiment of the invention can be applied to a wireless communication system. The wireless communication system may be a 5G NR (New Radio, New air interface) system, or a Long Term Evolution (LTE) system, or an Evolved Long Term Evolution (LTE) system, or a subsequent Evolved communication system.
Fig. 1 is a structural diagram of a cell reselection system according to an embodiment of the present invention, as shown in fig. 1, including a terminal (User Equipment, UE)11 and a network side device 12, where the terminal 11 may be a mobile communication terminal, for example: the terminal may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), or a Wearable Device (Wearable Device), and the specific type of the terminal 11 is not limited in the embodiments of the present invention. The network side device 12 may be a 5G network side device (e.g., a gNB, a 5G NR NB), or may be a 4G network side device (e.g., an eNB), or may be a 3G network side device (e.g., an NB), or a network side device in a subsequent evolved communication system, and so on, it should be noted that a specific type of the network side device 12 is not limited in the embodiment of the present invention.
An embodiment of the present invention provides a cell reselection system as shown in fig. 1, and provides a cell reselection method applied to the cell reselection system, as follows:
performing cell reselection by using the cell reselection target priority; the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
The target modification parameter may be agreed by a protocol or may be indicated by a network side device, which is not limited in the embodiment of the present invention. The target modification parameter may be used by the terminal to modify the cell reselection priority sent by the network side device.
It should be noted that the embodiment of the present invention provides a possibility that the terminal may modify the cell reselection priority, and whether the terminal modifies the cell reselection priority using the target modification parameter may make a decision according to its own requirement or according to a current scene where the terminal is located.
In the prior art, a terminal needs to comply with a cell reselection priority indicated by network side equipment in a cell reselection process; in the embodiment of the invention, the terminal can modify the cell reselection priority by using the target modification parameter and reselect the cell by using the modified cell retargeting priority. Therefore, the terminal can reselect the target cell more flexibly, the target cell reselected by the terminal can better adapt to the requirement of the terminal, and the communication performance of the terminal is improved.
Fig. 2 is a flowchart of a cell reselection method according to an embodiment of the present invention. As shown in fig. 2, the cell reselection method, applied to a terminal, includes the following steps:
step 201: performing cell reselection by using the cell reselection target priority; the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
The network side device may send the cell reselection priority to the terminal in any one of the following manners:
RRC (Radio Resource Control) signaling, such as an rrcreelease message;
system messages broadcast, such as SIB2(System Information Block Type2, System message Block Type 2), SIB4(System Information Block Type4, System message Block Type 4), SIB5(System Information Block Type5, System message Block Type 5).
The cell reselection priority may also be inherited from another radio access technology different from the current radio access technology, for example, when the terminal is in the lte system, the network side device sends the cell reselection priority to the terminal through RRC signaling, and when the terminal is switched from the lte system to the 5G NR system, the terminal may continue to use the cell reselection priority.
The above-mentioned manner for the network side device to send the cell reselection priority may all adopt the prior art, and is not described in detail herein.
In this embodiment of the present invention, the target modification parameter may be used by the terminal to modify (including scaling down or scaling up) the cell reselection priority, and therefore, the modification parameter may also be referred to as a cell reselection priority scaling factor. The target modification parameter may be a value for performing an operation with the cell reselection priority, which may be any integer or decimal from 0 to 7; the target modification parameter may also be a function of cell reselection priorities.
The modifying the cell reselection priority sent by the network side device by using the target modification parameter may be understood as performing an operation on the cell reselection priority sent by the network side device by using the target modification parameter. The operation may include at least one of: addition operation, multiplication operation, division operation, and subtraction operation.
The target modification parameter may be agreed by a protocol, or may be indicated by a network side device, which is not limited in the embodiment of the present invention.
The target modification parameter may be a modification parameter corresponding to a currently valid validation condition, selected from a plurality of modification parameters corresponding to different validation conditions.
For example, a plurality of modification parameters corresponding to different effective conditions may be agreed by the protocol, and the terminal selects a target modification parameter corresponding to a current scene (or a current effective condition) according to the current scene. The modification parameters corresponding to different effective conditions can also be issued by the network side equipment, and the terminal selects the target modification parameters corresponding to the current scene (or the current effective conditions) according to the current scene. The network side device may further select a target modification parameter suitable for the terminal from a plurality of modification parameters corresponding to different effective conditions according to the reference information of the terminal after acquiring the reference information of the terminal, and send the target modification parameter to the terminal.
In addition, after acquiring the reference information of the terminal, the network side device may also directly configure the target modification parameter for the terminal according to the reference information of the terminal, without selecting from a plurality of modification parameters.
Optionally, before performing cell reselection by using the cell reselection target priority, the method further includes:
and receiving indication information from network side equipment, wherein the indication information is used for indicating the target modification parameters.
In this embodiment, the indication information indicating the target modification parameter is sent to the terminal through the network side device.
Further, the indication information may be transmitted through RRC signaling (e.g., rrcreelease message); alternatively, the first and second electrodes may be,
the indication information may be transmitted through system message broadcast (e.g., SIB2, SIB4, SIB 5); or
The indication information may be inherited from another radio access technology different from the current radio access technology, for example, when the terminal is in the lte system, the network side device sends the indication information to the terminal through RRC signaling, and when the terminal is switched from the lte system to the 5G NR system, the terminal may continue to use the indication information.
Optionally, before the receiving the indication information from the network-side device, the method further includes:
sending parameter determination reference information to the network side equipment;
the target modification parameters are as follows: and the network side equipment determines the modification parameters determined by the reference information according to the parameters.
The parameter determination reference information may be understood as reference information of the terminal itself (for example, information of a scene where the terminal is currently located, and the like), and the reference information is used for determining a target modification parameter by the network side device.
In this embodiment, the network side device may determine the reference information based on the parameter of the terminal, and configure the target modification parameter for the terminal. In this case, the target modification parameter is determined as a result of determining the reference information based on the parameter of the terminal, and therefore, the target modification parameter is applicable to the terminal, which can be understood as a modification parameter corresponding to the currently valid effective condition. The terminal can modify the cell reselection priority by using the target modification parameter to obtain the cell reselection target priority, and the cell reselection is performed by using the cell reselection target priority.
Optionally, the parameter determination reference information of the terminal includes at least one of:
RRC state of the terminal, such as RRC _ idle state or RRC _ inactive state;
whether the terminal is in an inactive state or not, and the number of times of performing an RNAU (RAN-based notification area Update) within a preset time exceeds a preset threshold;
a frequency point corresponding to a service supported by the terminal;
the speed of the terminal;
a speed state of the terminal, such as a high speed state, a medium speed state, or a low speed state.
After the terminal sends the parameter determination reference information to the network side device, the network side device may determine a target modification parameter applicable to the terminal according to the parameter determination reference information.
Optionally, the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
If the indication information indicates the effective time of the target modification parameter, the terminal may use the target modification parameter within the effective time of the target modification parameter. If the effective time of the target modification parameter is overtime, the network side device may need to reconfigure the target modification parameter for the terminal.
If the effective condition of the modification parameter is indicated in the indication information, the terminal can select the target modification parameter matched with the current scene of the terminal according to the current scene of the terminal. Namely, the target modification parameter is a modification parameter corresponding to the currently effective condition in the modification parameters, and the effective condition of the target modification parameter is matched with the current scene where the terminal is located.
Optionally, the effective condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
information supporting the RNA-based cell reselection by the terminal;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
The support information for the service-based cell reselection by the terminal includes two situations that the terminal supports the service-based cell reselection and the terminal does not support the service-based cell reselection. If the terminal supports the cell reselection based on the service, the terminal may modify the cell reselection priority of the frequency point by using the target modification parameter based on which frequency point the terminal is interested in, so as to obtain the cell reselection target priority of the frequency point.
The information for supporting the RNA-based cell reselection by the terminal comprises two situations, namely the cell reselection in which the terminal supports the RNA and the cell reselection in which the terminal does not support the RNA. If the terminal supports the cell reselection of RNA, the terminal in the inactive state may modify the cell reselection priority of the frequency point by using the target modification parameter based on which frequency point the cell in the same RNA as the serving cell is on, so as to obtain the cell reselection target priority of the frequency point.
The support information for the terminal to reselect the cell based on the speed or the speed state includes two situations that the terminal supports the speed or the speed state cell reselection and the terminal does not support the speed or the speed state cell reselection. If the terminal supports cell reselection in a speed or speed state, the terminal in a different speed or speed state may modify the cell reselection priority of the frequency point by using a target modification parameter based on which frequency point the terminal needs to access the cell, so as to obtain the cell reselection target priority of the frequency point.
As described above, the network side device may send indication information indicating a target modification parameter, where the target modification parameter may be determined by the parameter determination reference information sent by the terminal, so that the target modification parameter is applicable to the terminal. On the other hand, the target modification parameter can also be determined by terminal selection. In this way, the indication information sent by the network side device may include a plurality of modification parameters and an effective condition corresponding to each modification parameter, and after receiving the indication information, the terminal may select a target modification parameter from the modification parameters in the indication information according to the current scene of the terminal and the effective condition corresponding to the modification parameter in the indication information.
Optionally, the validation condition of the modification parameter in the indication information is described by using at least one of the following information:
RRC state of the terminal;
support information for service-based cell reselection by the terminal;
support information for RNA-based cell reselection by the terminal;
the terminal supports speed-based cell reselection;
the terminal supports information for cell reselection based on the velocity state.
If the terminal supports the service-based cell reselection, the terminal can select a target modification parameter which is effective when the terminal supports the service-based cell reselection from the network side equipment indication modification parameters, and can modify the cell reselection priority of the frequency point by using the target modification parameter based on which frequency point the terminal is interested in, so as to obtain the cell reselection target priority of the frequency point.
If the terminal supports the cell reselection based on the RNA, the terminal in the inactive state can select a target modification parameter which is effective when the terminal supports the cell reselection based on the RNA from modification parameters indicated by network side equipment, and can modify the cell reselection priority of the frequency point by using the target modification parameter based on which frequency point the cell in the same RNA as the serving cell is on so as to obtain the cell reselection target priority of the frequency point.
If the terminal supports cell reselection based on speed or speed state, the terminal can select a target modification parameter which is effective when the terminal supports cell reselection based on speed or speed state from modification parameters indicated by network side equipment, and the terminal in different speed or speed state can modify the cell reselection priority of the frequency point by using the target modification parameter based on which frequency point the terminal needs to access the cell, so as to obtain the cell reselection target priority of the frequency point.
In the embodiment of the invention, the terminal can utilize the cell reselection target priority to perform cell reselection under the condition of meeting the measurement condition and the reselection condition.
The reselection condition means that the terminal needs to reselect to a cell with frequency points with different frequency point priorities according to the satisfaction conditions of different conditions. Examples are as follows:
if the system broadcasts the judgment threshold threshServiningLowQ parameter and the terminal already resides in the current target cell for more than 1 second, if the cell on the high priority NR/LTE frequency point meets the Treselection in the time intervalRATInternal signal quality Squal>ThreshX,HighQAnd the terminal initiates reselection to the cell on the high-priority frequency point.
If the system does not broadcast the threshServingLowQ parameter, but the terminal already resides in the current target cell for more than 1 second, and the cell with the high priority frequency point meets the requirement of Treselection in the time intervalRATInternal signal strength Srxlev>ThreshX,HighPAnd the terminal initiates reselection to the cell on the high-priority frequency point.
If the threshServingLowQ parameter is broadcast in the system and the terminal has been camped on the current target cell for more than 1 second, then if Treselection is performed in time interval TreselectionRATInterior satisfied serving cell Squal<ThreshServing,LowQAnd has cell Squal on low priority NR/LTE frequency points>ThreshX,LowQAnd the terminal initiates reselection to the cell on the low-priority frequency point.
If the system does not broadcast the threshServingLowQ parameter, but the terminal has resided in the current target cell for more than 1 second, and at time interval TreselectionRATInner satisfied serving cell Srxlev<ThreshServing,LowPAnd has a cell Srxlev on a low priority NR/LTE frequency point>ThreshX,LowPAnd the terminal initiates reselection to the cell on the low-priority frequency point.
And for the cell reselection of the same priority frequency point, directly performing the cell reselection according to the R criterion of the same-frequency cell reselection.
The high priority frequency point, the same priority frequency point and the low priority frequency point are obtained by comparing the cell reselection target priority with the frequency point priority of the service cell. The frequency points with the priority higher than that of the frequency point of the service cell are high-priority frequency points, the frequency points with the priority lower than that of the frequency point of the service cell are low-priority frequency points, and the frequency points with the priority same as that of the frequency point of the service cell are the same-priority frequency points.
In the embodiment of the invention, the terminal can modify the cell reselection priority by using the target modification parameter and reselect the cell by using the modified cell retargeting priority. Therefore, the terminal can reselect the target cell more flexibly, the target cell reselected by the terminal can better adapt to the requirement of the terminal, and the communication performance of the terminal is improved.
Fig. 3 is a flowchart of another cell reselection method according to an embodiment of the present invention. As shown in fig. 3, the cell reselection method, applied to a network side device, includes the following steps:
step 301: sending indication information indicating target modification parameters to a terminal; the indication information is used for modifying the cell reselection priority sent by the network side equipment.
Optionally, the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
Optionally, the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
Optionally, the indication information is transmitted through radio resource control RRC signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
Optionally, before the sending, to the terminal, the indication information indicating the target modification parameter, the method further includes:
receiving parameter determination reference information sent by the terminal;
the parameter determination reference information is used for determining the indication information.
Optionally, the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
Optionally, the effective condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
information supporting the RNA-based cell reselection by the terminal;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
It should be noted that, as an embodiment of the network-side device corresponding to the embodiment shown in fig. 2, a specific implementation manner of the embodiment of the present invention may refer to the relevant description of the embodiment shown in fig. 2, and may achieve the same beneficial effects, and details are not described here to avoid repeated description.
Fig. 4 is a structural diagram of a terminal according to an embodiment of the present invention, and as shown in fig. 4, the terminal 400 includes:
a cell reselection module 401, configured to perform cell reselection by using the cell reselection target priority;
the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
Optionally, the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
Optionally, the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
Optionally, as shown in fig. 5, the terminal 400 further includes:
a receiving module 402, configured to receive indication information from a network side device, where the indication information is used to indicate the target modification parameter.
Optionally, the indication information is transmitted through radio resource control RRC signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
Optionally, as shown in fig. 6, the terminal 400 further includes:
a sending module 403, configured to send parameter determination reference information to the network side device;
the target modification parameters are as follows: and the network side equipment determines the modification parameters determined by the reference information according to the parameters.
Optionally, the parameter determination reference information of the terminal includes at least one of:
a radio resource control, RRC, state of the terminal;
whether the terminal is in an inactive state or not and the number of times of performing RNAU in a preset time exceeds a preset threshold value;
a frequency point corresponding to a service supported by the terminal;
the speed of the terminal;
a speed status of the terminal.
Optionally, the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
Optionally, the effective condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
information supporting the RNA-based cell reselection by the terminal;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
It should be noted that, in the embodiment of the present invention, the terminal 400 may be a terminal in any implementation manner in the method embodiment, and any implementation manner of the terminal in the method embodiment may be implemented by the terminal 400 in the embodiment of the present invention, and the same beneficial effects are achieved, and in order to avoid repetition, details are not described here again.
Fig. 7 is a structural diagram of a network-side device according to an embodiment of the present invention, and as shown in fig. 7, the network-side device 500 includes:
a sending module 501, configured to send instruction information indicating a target modification parameter to a terminal;
the indication information is used for modifying the cell reselection priority sent by the network side equipment.
Optionally, the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
Optionally, the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
Optionally, the indication information is transmitted through radio resource control RRC signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
Optionally, as shown in fig. 8, the network-side device 500 further includes:
a receiving module 502, configured to receive parameter determination reference information sent by the terminal;
the parameter determination reference information is used for determining the indication information.
Optionally, the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
Optionally, the effective condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
information supporting the RNA-based cell reselection by the terminal;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
It should be noted that, in the embodiment of the present invention, the network side device 500 may be a network side device in any implementation manner in the method embodiment, and any implementation manner of the network side device in the method embodiment may be implemented by the network side device 500 in the embodiment of the present invention, and the same beneficial effects are achieved, and in order to avoid repetition, details are not described here again.
Fig. 9 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present invention, where the terminal 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and a power supply 611. Those skilled in the art will appreciate that the terminal configuration shown in fig. 9 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
Wherein, the processor 610 is configured to:
performing cell reselection by using the cell reselection target priority;
the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
Optionally, the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
Optionally, the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
Optionally, the processor 610 is further configured to:
and receiving indication information from network side equipment, wherein the indication information is used for indicating the target modification parameters.
Optionally, the indication information is transmitted through radio resource control RRC signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
Optionally, the processor 610 is further configured to:
sending parameter determination reference information to the network side equipment;
the target modification parameters are as follows: and the network side equipment determines the modification parameters determined by the reference information according to the parameters.
Optionally, the parameter determination reference information of the terminal includes at least one of:
a radio resource control, RRC, state of the terminal;
whether the terminal is in an inactive state or not, and the number of times of updating the RNAU in the access network notification area within the preset time exceeds a preset threshold value;
a frequency point corresponding to a service supported by the terminal;
the speed of the terminal;
a speed status of the terminal.
Optionally, the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
Optionally, the effective condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
the terminal supports cell reselection based on the access network notification region RNA;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
In the embodiment of the invention, when the terminal reselects the cell, the target modification parameter can be used for adjusting the cell reselection priority according to the self requirement, so that the cell reselected by the terminal can better adapt to the requirement of the terminal, and the communication performance of the terminal is favorably improved.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 601 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 610; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. Further, the radio frequency unit 601 may also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 602, such as helping the user send and receive e-mails, browse web pages, and access streaming media.
The audio output unit 603 may convert audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into an audio signal and output as sound. Also, the audio output unit 603 can also provide audio output related to a specific function performed by the terminal 600 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
The input unit 604 is used to receive audio or video signals. The input Unit 604 may include a Graphics Processing Unit (GPU) 6041 and a microphone 6042, and the Graphics processor 6041 processes image data of a still picture or video obtained by an image capturing apparatus (such as a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed on the display unit 606. The image frames processed by the graphic processor 6041 may be stored in the memory 609 (or other storage medium) or transmitted via the radio frequency unit 601 or the network module 602. The microphone 6042 can receive sound, and can process such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 601 in case of the phone call mode.
The terminal 600 also includes at least one sensor 605, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 6061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 6061 and the backlight when the terminal 600 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 605 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 606 is used to display information input by the user or information provided to the user. The Display unit 606 may include a Display panel 6061, and the Display panel 6061 may be configured by a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 607 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 607 includes a touch panel 6071 and other input devices 6072. Touch panel 6071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 6071 using a finger, stylus, or any suitable object or accessory). The touch panel 6071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 610, receives a command from the processor 610, and executes the command. In addition, the touch panel 6071 can be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The user input unit 607 may include other input devices 6072 in addition to the touch panel 6071. Specifically, the other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a track ball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 6071 can be overlaid on the display panel 6061, and when the touch panel 6071 detects a touch operation on or near the touch panel 6071, the touch operation is transmitted to the processor 610 to determine the type of the touch event, and then the processor 610 provides a corresponding visual output on the display panel 6061 according to the type of the touch event. Although in fig. 9, the touch panel 6071 and the display panel 6061 are two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 6071 and the display panel 6061 may be integrated to implement the input and output functions of the terminal, and this is not limited herein.
The interface unit 608 is an interface for connecting an external device to the terminal 600. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 608 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 600 or may be used to transmit data between the terminal 600 and an external device.
The memory 609 may be used to store software programs as well as various data. The memory 609 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 609 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 610 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and modules stored in the memory 609 and calling data stored in the memory 609, thereby performing overall monitoring of the terminal. Processor 610 may include one or more processing units; preferably, the processor 610 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 610.
The terminal 600 may further include a power supply 611 (e.g., a battery) for supplying power to the various components, and preferably, the power supply 611 is logically connected to the processor 610 via a power management system, so that functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the terminal 600 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, which includes a processor 610, a memory 609, and a computer program stored in the memory 609 and capable of running on the processor 610, where the computer program, when executed by the processor 610, implements each process of the above-mentioned cell reselection method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
Fig. 10 is a block diagram of another network-side device according to an embodiment of the present invention. As shown in fig. 10, the network-side device 800 includes: a processor 801, a transceiver 802, a memory 803, and a bus interface, wherein:
the transceiver 802 is configured to:
sending indication information indicating target modification parameters to a terminal;
the indication information is used for modifying the cell reselection priority sent by the network side equipment.
Optionally, the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
Optionally, the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
Optionally, the indication information is transmitted through radio resource control RRC signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
Optionally, the transceiver 802 is further configured to:
receiving parameter determination reference information sent by the terminal;
the parameter determination reference information is used for determining the indication information.
Optionally, the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
Optionally, the effective condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
the terminal supports cell reselection based on the access network notification region RNA;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
In FIG. 10, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by the processor 801, and various circuits, represented by the memory 803, linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 802 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 804 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 801 in performing operations.
It should be noted that, in this embodiment, the network-side device 800 may be a network-side device according to any implementation manner in the method embodiment of the present invention, and any implementation manner of the network-side device in the method embodiment of the present invention may be implemented by the network-side device 800 in this embodiment, so as to achieve the same beneficial effects, and details are not described here again.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when executed by a processor, the computer program implements each process of the cell reselection method embodiment corresponding to the network side device or the terminal, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (35)

1. A cell reselection method is applied to a terminal, and is characterized in that the method comprises the following steps:
performing cell reselection by using the cell reselection target priority;
the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
2. The method of claim 1, wherein the target modification parameters are:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
3. The method of claim 1, wherein the target modification parameters are: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
4. The method of claim 1, wherein prior to the cell reselection with the cell reselection target priority, the method further comprises:
and receiving indication information from network side equipment, wherein the indication information is used for indicating the target modification parameters.
5. The method of claim 4, wherein the indication information is transmitted by Radio Resource Control (RRC) signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
6. The method according to claim 4, wherein before the receiving the indication information from the network side device, the method further comprises:
sending parameter determination reference information to the network side equipment;
the target modification parameters are as follows: and the network side equipment determines the modification parameters determined by the reference information according to the parameters.
7. The method according to claim 6, wherein the parameter determination reference information of the terminal comprises at least one of:
an RRC state of the terminal;
whether the terminal is in an inactive state or not, and the number of times of updating the RNAU in the access network notification area within the preset time exceeds a preset threshold value;
a frequency point corresponding to a service supported by the terminal;
the speed of the terminal;
a speed status of the terminal.
8. The method of claim 4, wherein the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
9. The method of claim 8, wherein the validation condition of the target modification parameter is described using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
the terminal supports cell reselection based on the access network notification region RNA;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
10. A cell reselection method is applied to a network side device, and is characterized in that the method comprises the following steps:
sending indication information indicating target modification parameters to a terminal;
the indication information is used for modifying the cell reselection priority sent by the network side equipment.
11. The method of claim 10, wherein the target modification parameters are:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
12. The method of claim 10, wherein the target modification parameters are: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
13. The method of claim 10, wherein the indication information is transmitted by Radio Resource Control (RRC) signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
14. The method of claim 10, wherein before the sending the indication information indicating the target modification parameter to the terminal, the method further comprises:
receiving parameter determination reference information sent by the terminal;
the parameter determination reference information is used for determining the indication information.
15. The method of claim 10, wherein the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
16. The method of claim 15, wherein the validation condition of the target modification parameter is described using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
the terminal supports cell reselection based on the access network notification region RNA;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
17. A terminal, comprising:
the cell reselection module is used for performing cell reselection by utilizing the cell reselection target priority;
the cell reselection target priority is as follows: and modifying the cell reselection priority sent by the network side equipment by using the target modification parameter to obtain the modified priority.
18. The terminal of claim 17, wherein the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
19. The terminal of claim 17, wherein the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
20. The terminal of claim 17, further comprising:
a receiving module, configured to receive indication information from a network side device, where the indication information is used to indicate the target modification parameter.
21. The terminal of claim 20, wherein the indication information is transmitted through Radio Resource Control (RRC) signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
22. The terminal of claim 20, further comprising:
a sending module, configured to send parameter determination reference information to the network side device;
the target modification parameters are as follows: and the network side equipment determines the modification parameters determined by the reference information according to the parameters.
23. The terminal according to claim 22, wherein the parameter determination reference information of the terminal comprises at least one of:
an RRC state of the terminal;
whether the terminal is in an inactive state or not, and the number of times of updating the RNAU in the access network notification area within the preset time exceeds a preset threshold value;
a frequency point corresponding to a service supported by the terminal;
the speed of the terminal;
a speed status of the terminal.
24. The terminal according to claim 20, wherein the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
25. The terminal according to claim 24, wherein the condition for the target modification parameter to be effective is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
the terminal supports cell reselection based on the access network notification region RNA;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
26. A network-side device, comprising:
the sending module is used for sending indication information indicating the target modification parameters to the terminal;
the indication information is used for modifying the cell reselection priority sent by the network side equipment.
27. The network-side device of claim 26, wherein the target modification parameter is:
a value for performing an operation with the cell reselection priority; alternatively, the first and second electrodes may be,
a function of the cell reselection priority.
28. The network-side device of claim 26, wherein the target modification parameter is: a modification parameter corresponding to a currently valid validation condition is selected from a plurality of modification parameters corresponding to different validation conditions.
29. The network side device of claim 26, wherein the indication information is transmitted through radio resource control RRC signaling; alternatively, the first and second electrodes may be,
the indication information is transmitted by system message broadcasting; alternatively, the first and second electrodes may be,
the indication information is inherited from another radio access technology different from the current radio access technology.
30. The network-side device of claim 26, further comprising:
the receiving module is used for receiving the parameter determination reference information sent by the terminal;
the parameter determination reference information is used for determining the indication information.
31. The network-side device of claim 26, wherein the indication information further indicates at least one of the following information:
an effective time of the target modification parameter;
an effective condition of the target modification parameter.
32. The network-side device of claim 31, wherein the validation condition of the target modification parameter is described by using at least one of the following information:
an RRC state of the terminal;
support information for service-based cell reselection by the terminal;
the terminal supports cell reselection based on the access network notification region RNA;
support information for speed-based cell reselection by the terminal;
the terminal supports speed state based cell reselection.
33. A terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps in the cell reselection method according to any of claims 1 to 9.
34. A network-side device, comprising: memory, processor and computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps in the cell reselection method according to any of claims 10 to 16.
35. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the cell reselection method according to any one of claims 1 to 9; alternatively, the steps of implementing the cell reselection method of any of claims 10 to 16.
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