CN115038135A - Cell residence method, device, equipment and medium - Google Patents
Cell residence method, device, equipment and medium Download PDFInfo
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- CN115038135A CN115038135A CN202210615600.3A CN202210615600A CN115038135A CN 115038135 A CN115038135 A CN 115038135A CN 202210615600 A CN202210615600 A CN 202210615600A CN 115038135 A CN115038135 A CN 115038135A
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- 230000006854 communication Effects 0.000 claims abstract description 17
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- 238000005259 measurement Methods 0.000 claims description 127
- 230000015654 memory Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application discloses a cell residence method, a cell residence device, a cell residence equipment and a cell residence medium, and relates to the technical field of communication. The method comprises the following steps: under the condition that the terminal is switched from a first cell to a second cell for residing, the historical signal quality of the first cell is stored; and in the case that the bandwidth of the second cell is larger than the bandwidth of the first cell, and the difference between the measured signal quality and the historical signal quality of the first cell is smaller than the signal threshold value, the second cell is kept resident. In the case where the terminal is located within an intersection area of signal coverage of the first cell and the second cell, the terminal is kept camped in the second cell having a large bandwidth according to bandwidths of the first cell and the second cell and a difference between a measured signal quality and a historical signal quality of the first cell.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a cell camping method, apparatus, device, and medium.
Background
In the related art, under the condition that the terminal is located in the intersection area of the signal coverage areas of the two cells, the two network devices may transmit the measurement and control instruction to the terminal in turn, and guide the terminal to switch between the two cells in turn, so that a Ping-Pong (Ping-Pong) switching phenomenon of the cells is formed.
Under the condition that the bandwidths of the two cells are different, frequent switching causes the signal quality of the terminal to be switched continuously, so that the network speed of the terminal is also switched continuously between a high network speed with a large bandwidth and a low network speed with a small bandwidth.
Disclosure of Invention
The embodiment of the application provides a cell residing method, a device, equipment and a medium, wherein a terminal resides in a second cell with large bandwidth according to bandwidths of a first cell and the second cell and a difference between a measured signal quality and a historical signal quality of the first cell. The technical scheme is as follows:
according to an aspect of the present application, there is provided a cell camping method, which is performed by a terminal, the method including:
under the condition that the terminal is switched from a first cell to a second cell for residing, the historical signal quality of the first cell is stored;
and in the case that the bandwidth of the second cell is larger than the bandwidth of the first cell, and the difference between the measured signal quality of the first cell and the historical signal quality is smaller than the signal threshold value, the second cell is kept resident.
According to an aspect of the present application, there is provided a cell camping apparatus, including:
the terminal comprises a storage module, a judging module and a judging module, wherein the storage module is used for storing the historical signal quality of a first cell under the condition that the terminal is switched from the first cell to a second cell for residence;
and the processing module is used for keeping the second cell in residence under the condition that the bandwidth of the second cell is larger than that of the first cell and the difference between the measured signal quality and the historical signal quality of the first cell is smaller than the signal threshold.
According to one aspect of the present application, there is provided a terminal comprising a processor and a memory;
the memory is used for storing the historical signal quality of the first cell under the condition that the terminal is switched from the first cell to the second cell for residing;
the processor is configured to maintain camping on the second cell if the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality of the first cell is less than the signal threshold.
According to an aspect of the present application, there is provided a computer-readable storage medium having stored therein a computer program for execution by a processor to implement the cell camping method as described above.
According to an aspect of the present application, there is provided a chip comprising programmable logic circuits and/or program instructions for implementing a cell camping method as described above when the chip is run.
According to an aspect of the present application, there is provided a computer program product comprising computer instructions stored in a computer-readable storage medium, wherein a processor reads and executes the computer instructions from the computer-readable storage medium to implement the cell camping method as described above.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
under the condition that the terminal is positioned in the crossing area of the signal coverage areas of the first cell and the second cell, the terminal is kept to be resided in the second cell according to the bandwidths of the first cell and the second cell and the difference between the measured signal quality and the historical signal quality of the first cell, the terminal is prevented from switching back and forth between the two cells, and the terminal can be resided in the second cell with large bandwidth.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a cell coverage area provided by an exemplary embodiment of the present application;
fig. 2 is a flowchart of a cell camping method according to an exemplary embodiment of the present application;
fig. 3 is a flowchart of a cell camping method according to an exemplary embodiment of the present application;
fig. 4 is a flowchart of a cell camping method according to an exemplary embodiment of the present application;
fig. 5 is a flowchart of a cell camping method according to an exemplary embodiment of the present application;
fig. 6 is a schematic diagram of a cell camping apparatus according to an exemplary embodiment of the present application;
fig. 7 is a schematic diagram of a cell camping apparatus according to an exemplary embodiment of the present application;
fig. 8 is a schematic diagram of a cell camping apparatus according to an exemplary embodiment of the present application;
fig. 9 is a schematic structural diagram of a communication device according to an exemplary embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In the communication process between the terminal and the network equipment, if the terminal is located in the intersection area of the signal coverage areas of the two cells, the terminal can form communication with the network equipment corresponding to the two cells.
Fig. 1 is a diagram illustrating a cell coverage provided by an exemplary embodiment of the present application. Wherein, the signal coverage areas of the first cell 10 and the second cell 20 have an intersection area, and the terminal 30 is located in the intersection area.
Take the example that the network device corresponding to the first cell 10 is a first network device, and the network device corresponding to the second cell 20 is a second network device. When the terminal 30 is located in the intersection area of the signal coverage areas of the first cell 10 and the second cell 20, the first network device and the second network device will issue measurement and control instructions to the terminal 30 in turn, so that the terminal 30 performs signal measurement of the cells according to the measurement and control instructions.
For example, when the terminal 30 resides in the first cell 10, the first network device issues a measurement and control instruction to the terminal 30, where the measurement and control instruction is used to instruct the terminal 30 to perform signal measurement on the second cell 20. After the terminal reports the measurement report of the measurement and control instruction, the first network device may issue a handover instruction to the terminal 30, so that the terminal 30 is handed over from the first cell 10 to the second cell 20 for camping.
Subsequently, when the terminal 30 resides in the second cell 20, the second network device issues a measurement and control instruction to the terminal 30, where the measurement and control instruction is used to instruct the terminal 30 to perform signal measurement on the first cell 10. After the terminal reports the measurement report of the measurement and control instruction, the first network device may issue a handover instruction to the terminal 30, so that the terminal 30 is handed over from the second cell 20 to the first cell 10 for camping.
According to the measurement and control instructions sent by the first network device and the second network device to the terminal 30 in turn, after receiving the measurement report of the measurement and control instructions sent by the terminal 30 to the first network device and the second network device in turn, the first network device and the second network device guide the terminal 30 to perform resident cell alternate switching between the first cell 10 and the second cell 20, so that a cell Ping-Pong (Ping-Pong) switching phenomenon is formed.
It should be understood that the first network device and the second network device issue the measurement and control instruction to the terminal 30, so that the process of the terminal 30 performing signal measurement of the corresponding cell may be performed during cell switching or may not be performed.
In an alternative implementation scenario, the bandwidths of the first cell 10 and the second cell 20 are different.
Take the example where the bandwidth of the first cell 10 is 15MHz and the bandwidth of the second cell 20 is 20 MHz. When the terminal 30 is performing a round-robin handover between the first cell 10 and the second cell 20, it will result in that the network speed of the terminal 30 is also performing a round-robin handover.
In case the terminal 30 is camped on the first cell 10, the terminal 30 will provide service at a low wire speed with a small bandwidth; in case the terminal 30 is camped on the second cell 20, the terminal 30 will provide services at high network speeds with large bandwidth. When the terminal 30 performs a handover between the first cell 10 and the second cell 20 in turn, the network speed of the terminal 30 will be in an unstable state, and the terminal may be caused to provide a service using a low network speed.
Based on the above, embodiments of the present application provide a cell camping method, where in a case where a terminal is located in an intersection area of signal coverage areas of a first cell and a second cell, the terminal is kept camped in a cell with a larger bandwidth. Fig. 2 is a flowchart illustrating a cell camping method according to an exemplary embodiment of the present application, where the method is performed by a terminal, and the method includes the following steps:
step 202: and storing the historical signal quality of the first cell when the terminal is switched from the first cell to the second cell for camping.
Taking the example that the network device corresponding to the first cell is the first network device and the network device corresponding to the second cell is the second network device, when the terminal is located in the intersection area of the signal coverage areas of the first cell and the second cell, the terminal will alternately switch between the first cell and the second cell.
The first network device and the second network device may be the same network device or different network devices; the bandwidths of the first cell and the second cell are different, and one cell having a large bandwidth and one cell having a small bandwidth are present in the two cells.
At this time, under the condition that the terminal is switched from the first cell to the second cell for residence, the terminal stores the historical signal quality of the first cell, so that when the terminal receives a first measurement and control instruction issued by second network equipment, whether a measurement report corresponding to the first measurement and control instruction is reported to the second network equipment corresponding to the second cell or not is judged.
If the terminal reports the measurement report corresponding to the first measurement and control instruction to the second network equipment, the possibility that the second network equipment indicates the terminal to be switched from the second cell to the first cell for residing exists; if the terminal does not report the measurement report corresponding to the first measurement and control instruction to the second network device, the second network device cannot acquire the signal quality of the second cell, and will not issue a switching instruction to instruct the terminal to switch from the second cell to the first cell for residence.
For example, when the bandwidth of the second cell is greater than the bandwidth of the first cell, the terminal may not report the measurement report corresponding to the first measurement and control instruction to the second network device, so that the terminal remains in the second cell with a large bandwidth; under the condition that the bandwidth of the first cell is larger than that of the second cell, the terminal can report a measurement report corresponding to the first measurement and control instruction to the second network equipment, and the second network equipment can issue a switching instruction according to the measurement report, so that the terminal is switched from the second cell to the first cell to be resided, and the terminal is resided in the first cell with large bandwidth.
Illustratively, the historical signal quality of the first cell is measured when the terminal is camped on the first cell. Before the terminal is switched from the first cell to the second cell for residence, the terminal can measure the signal quality of the first cell, wherein the signal quality is the historical signal quality of the first cell.
Then, the terminal switches from the first cell to the second cell for camping according to the switching instruction of the first network equipment, and the historical signal quality of the first cell is kept in a local storage.
Optionally, the historical signal quality is a signal quality measured last time before the terminal performs camping from the first cell to the second cell.
Step 204: and in the case that the bandwidth of the second cell is larger than the bandwidth of the first cell, and the difference between the measured signal quality and the historical signal quality of the first cell is smaller than the signal threshold value, the second cell is kept resident.
In light of the foregoing, the bandwidths of the first cell and the second cell are different, and one cell with a large bandwidth and one cell with a small bandwidth exist in the two cells, and the embodiment of the present application is exemplified by the case where the second cell is a cell with a large bandwidth, and the first cell is a cell with a small bandwidth.
In order to enable the terminal to stay in the cell with the larger bandwidth, the terminal can judge whether to report the measured signal quality according to the bandwidths of the first cell and the second cell and the difference between the measured signal quality and the historical signal quality of the first cell, so that the second network equipment can judge whether to issue the switching instruction according to the difference.
The measured signal quality of the first cell is measured after the terminal is handed over from the first cell to the second cell for camping, which is different from the historical signal quality. The measured signal quality of the first cell may also be understood as a signal quality obtained by measuring the signal quality of the first cell in real time when the terminal resides in the second cell.
In combination with the foregoing, for signal measurement of the first cell, the terminal can acquire two signal qualities, namely the historical signal quality and the measured signal quality, and the acquisition time of the historical signal quality is earlier than that of the measured signal quality.
For example, at a first time, the terminal resides in a first cell, and the terminal can obtain the historical signal quality of the first cell through measurement; at a second moment, the terminal is switched from the first cell to a second cell for residing, and the historical signal quality is kept in a local storage; at the third moment, the terminal still resides in the second cell, and the terminal can obtain the measured signal quality of the first cell through measurement.
In the above example, the historical signal quality is measured at the first time and the measured signal quality is measured at the third time. Optionally, the measured signal quality is obtained by the terminal performing measurement according to a first measurement and control instruction issued by the second network device.
Optionally, the historical signal quality is a signal quality measured last time before the terminal performs camping from the first cell to the second cell.
According to step 202, the terminal stores the historical signal quality of the first cell.
Then, the terminal remains camped on the second cell in a case where the bandwidth of the second cell is greater than the bandwidth of the first cell, and the difference between the measured signal quality and the historical signal quality is less than the signal threshold. At this time, the terminal can camp in a cell having a large bandwidth, thereby enabling the terminal to avoid frequent handover between the first cell and the second cell.
Wherein, the difference between the measured signal quality and the historical signal quality refers to the difference between the measured signal quality and the historical signal quality; the difference between the measured signal quality and the historical signal quality may be considered as an absolute value when compared to the signal threshold, or may be determined based on the difference between the measured signal quality and the historical signal quality.
For example, the difference between the measured signal quality and the historical signal quality may be calculated by subtracting the historical signal quality from the measured signal quality, and the calculated difference may be positive or negative. If the difference between the measured signal quality and the historical signal quality is taken as an absolute value, the signal threshold is a positive value; if the determination is made according to the difference between the measured signal quality and the historical signal quality, the signal threshold may be a positive value, a negative value, or an interval range.
Taking the measured signal quality and the historical signal quality as the indication signal strength, and taking the difference between the measured signal quality and the historical signal quality as an absolute value as an example, the signal threshold may be 3 dbm; taking the case that the measured signal quality and the historical signal quality are used to indicate the signal strength, and the determination is performed according to the difference between the measured signal quality and the historical signal quality, the signal threshold may be in the range of-3 to 3.
Illustratively, the difference between the measured signal quality and the historical signal quality is used to indicate a value of the signal strength of the measured signal quality exceeding the signal strength of the historical signal quality.
Alternatively, the signal threshold may be determined according to a communication protocol, or may be configurable by the network device.
For example, the signal threshold is configured by the first network device, and in the case that the terminal performs camping by switching from the first cell to the second cell, the terminal stores the historical signal quality and the signal threshold. For another example, the signal threshold is configured by the second network device, and after the terminal is switched to the second cell for camping, the second network device issues the signal threshold to the terminal.
Take the example where the bandwidth of the first cell is 15MHz and the bandwidth of the second cell is 20 MHz.
And under the condition that the terminal resides in the second cell, measuring the signal quality of the first cell according to a first measurement and control instruction issued by the second network equipment so as to acquire the measured signal quality of the first cell. Then, in case that the difference between the measured signal quality and the historical signal quality is smaller than the signal threshold, the terminal does not report the measured signal quality to the second network device, so that the terminal remains camped on the second cell.
To sum up, in the cell camping method provided in this embodiment of the present application, when the terminal is located in an intersection area of signal coverage areas of the first cell and the second cell, according to bandwidths of the first cell and the second cell and a difference between measured signal quality and historical signal quality of the first cell, a handover of the terminal between the two cells is avoided, and the terminal is allowed to camp in the second cell with a larger bandwidth.
Referring to fig. 2, fig. 3 is a flowchart illustrating a cell camping method according to an exemplary embodiment of the present application. The cell camping method provided in the embodiment of the present application further includes step 203 and step 205, and step 204 may be implemented as step 2041, where step 2041 and step 205 are executed alternatively, but may not be executed simultaneously. The steps 203, 2041 and 205 are specifically as follows:
step 203: and receiving a first measurement and control instruction issued by second network equipment.
Illustratively, the first measurement and control instruction is used to instruct the terminal to perform signal measurement on the first cell to obtain the measured signal quality of the first cell, and the second network device is a network device corresponding to the second cell.
Because the terminal is located in the cross area of the signal coverage areas of the first cell and the second cell, after the terminal resides in the second cell, the second network device issues the first measurement and control instruction to the terminal, so that the terminal performs signal measurement on the first cell, and whether a switching instruction for switching to the first cell for residence is issued to the terminal or not is judged.
After receiving the first measurement and control instruction, the terminal measures signals of the first cell according to the first measurement and control instruction so as to obtain the quality of the measured signals. Under an optional implementation scene, the terminal reports the measured signal quality obtained by measurement to the second network equipment, so that the network equipment can judge whether to issue a switching instruction; in another optional usage scenario, the terminal does not report the measured signal quality to the second network device, so that the terminal remains camped on the second cell.
For example, when the bandwidth of the first cell is greater than the bandwidth of the second cell, the terminal may report the measured signal quality to the second network device, and the network device issues a handover instruction to the terminal to handover to the first cell for camping, so that the terminal camps in the cell with the larger bandwidth. For another example, in the case that the bandwidth of the second cell is greater than the bandwidth of the first cell, the terminal may not report the measured signal quality, so that the terminal remains camped in the second cell with the larger bandwidth.
Step 2041: and under the condition that the bandwidth of the second cell is greater than that of the first cell and the difference between the measured signal quality and the historical signal quality is less than the signal threshold, not reporting the measured signal quality to the second network equipment so as to remain resident in the second cell.
The measured signal quality is obtained by performing signal measurement on the first cell according to a first measurement and control instruction issued by the second network device, the historical signal quality is stored when the terminal is switched from the first cell to the second cell for residence, and the related description can refer to the foregoing contents and is not repeated.
Illustratively, under the condition that the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality is less than the signal threshold, the terminal does not report the measured signal quality to the second network device, and the second network device cannot acquire the signal quality of the first cell, so that the second device does not need to issue a handover instruction to the terminal, and the terminal is ensured to reside in the second cell with the larger bandwidth.
The foregoing may be referred to for the description of the signal threshold, and the determination of the signal threshold may be set according to actual needs. Optionally, the signal threshold is determined according to a communication protocol; or, the signal threshold is configured by a first network device, and the first network device is a network device corresponding to the first cell; alternatively, the signal threshold is configured by a second network device, the second network device being a network device corresponding to the second cell.
For example, the signal threshold is determined according to a communication protocol. When communication is established for the first time with a first network device and a second network device, a terminal already obtains a signal threshold value; subsequently, when the terminal performs handover between the first cell and the second cell, the terminal may perform a determination according to the signal threshold.
As another example, the signal threshold is configured by the first network device. The terminal may store, such as remain in a local store, the signal threshold and the historical signal quality of the first cell in the event of a handover from the first cell to the second cell for camping.
As another example, the signal threshold is configured by the second network device. The terminal can request a signal threshold value from the second network equipment under the condition of switching to the second cell for residing, or the second network equipment can issue the signal threshold value while or after issuing the first measurement and control instruction.
Take the example where the bandwidth of the first cell is 15MHz and the bandwidth of the second cell is 20 MHz.
And the terminal is switched from the first cell to the second cell for residing, and the terminal resides in a cell with larger bandwidth at the moment. And then, the terminal receives a first measurement and control instruction sent by second network equipment, and performs signal measurement on the first cell to acquire the quality of the measurement signal.
In the event that the difference between the measured signal quality and the historical signal quality is less than the signal threshold, the terminal does not report the measured signal quality to the second network device, such that the terminal remains camped on a second cell having a bandwidth of 20 MHz. For example, the signal threshold is 3dbm, and the difference between the measured signal quality and the historical signal quality is smaller than the signal threshold, the terminal does not report the measured signal quality.
Step 205: and reporting the measured signal quality to the second network equipment under the condition that the bandwidth of the second cell is not more than the bandwidth of the first cell and/or the difference between the measured signal quality and the historical signal quality is not less than the signal threshold.
According to the foregoing, in a case that a bandwidth of a second cell in which the terminal currently resides is large, if a difference between the measured signal quality and the historical signal quality is smaller than a signal threshold, the terminal may not report the measured signal quality, so that the terminal resides in the second cell with the large bandwidth.
In an alternative implementation scenario, the second cell in which the terminal resides does not have a large bandwidth. For example, the bandwidths of the first cell and the second cell are the same, or the bandwidth of the first cell is greater than the bandwidth of the second cell. At this time, the terminal may report the measured signal quality to the second network device, so that the second network device determines whether a handover instruction for performing a camping handover from the second cell to the first cell needs to be issued to the terminal.
In another alternative implementation scenario, although the second cell where the terminal resides has a large bandwidth, the difference between the measured signal quality and the historical signal quality of the first cell is not less than the signal threshold, which may result in the possibility that the signal quality of the first cell is better than the signal quality of the second cell. At this time, the terminal may also report the measured signal quality to the second network device, and the second network device performs a judgment according to an actual situation to determine whether the terminal needs to switch the camping cell.
In another alternative implementation scenario, the second cell in which the terminal resides does not have a large bandwidth, and the difference between the measured signal quality and the historical signal quality of the first cell is not less than the signal threshold. For example, the bandwidth of the first cell is greater than the bandwidth of the second cell, the measured signal quality of the first cell is better than the historical signal quality, and the difference between the measured signal quality and the historical signal quality is much greater than the signal threshold. At this time, the terminal may also report the measured signal quality to the second network device, and the second network device may issue a handover instruction for handing over from the second cell to the first cell for camping to the terminal.
To sum up, in the cell camping method provided in this embodiment of the present application, the terminal can perform signal measurement on the first cell through the first measurement and control instruction issued by the second network device, so as to obtain the measured signal quality of the first cell.
According to the bandwidths of the first cell and the second cell and the difference between the measured signal quality of the first cell and the historical signal quality, the terminal can judge whether to report the measured signal quality to the second network equipment, so that the second network equipment can judge whether to issue a switching instruction for switching from the second cell to the first cell to camp on.
Optionally, when the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality is less than the signal threshold, the terminal may not report the measured signal quality to the second network device, so that the terminal remains in the second cell with the larger bandwidth.
Optionally, the terminal may report the measured signal quality to the second network device under the condition that the bandwidth of the second cell is not greater than the bandwidth of the first cell and/or the difference between the measured signal quality and the historical signal quality is not less than the signal threshold, so that the second network device determines to issue the handover command.
Referring to fig. 2, fig. 4 is a flowchart illustrating a cell camping method according to an exemplary embodiment of the present application. The cell camping method provided in the embodiment of the present application further includes step 2011, step 2012, and step 2013, and step 202 may be implemented as step 2021, which is specifically as follows:
step 2011: the terminal is camped on the first cell in case the number of cell handovers of the terminal exceeds a first number.
Illustratively, the number of cell handovers is the number of handovers performed by the terminal between the first cell and the second cell within the first time period. The terminal is switched from the first cell to the second cell and can be recorded as one switching, and the terminal is switched from the second cell to the first cell and can be recorded as another switching; the specific values of the first duration and the first times can be set according to actual needs.
Under the condition that the terminal is located in the crossing area of the signal coverage areas of the first cell and the second cell, the first network device and the second network device can send a switching instruction to the terminal in turn so that the terminal can be switched between the first cell and the second cell.
In the embodiment of the application, when the cell switching times of the terminal exceeds the first times, the terminal is resided in the first cell so as to obtain the historical signal quality of the first cell, so that the terminal is kept to reside in the second cell with a larger bandwidth when the bandwidth of the second cell is larger than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality of the first cell is smaller than the signal threshold.
Take the first duration as N and the first number as 4 times as an example.
Under the condition that the terminal is positioned in the crossing area of the signal coverage areas of the first cell and the second cell, the terminal is switched between the first cell and the second cell in turn under the switching instruction of the first network equipment and the second network equipment. If the terminal performs cell switching for 5 times within the duration N, the following steps are performed: the method comprises the steps of switching from a first cell to a second cell for residence, switching from the second cell to the first cell for residence, switching from the first cell to the second cell for residence, switching from the second cell to the first cell for residence, and finally switching from the first cell to the second cell for residence.
At this time, since the number of times of cell switching of the terminal exceeds 4 times, the terminal may be camped in the first cell in order to acquire the historical signal quality of the first cell. It should be understood that 4 times in the present application is only an exemplary example and does not limit the present application.
Step 2012: and receiving a second measurement and control instruction issued by the first network equipment.
Illustratively, the second measurement and control instruction is used to instruct the terminal to perform signal measurement on the second cell, and the first network device is a network device corresponding to the first cell.
The second measurement and control instruction is similar to the first measurement and control instruction and is used for indicating the terminal to measure signals of the neighboring cell of the current resident cell. According to the second measurement and control instruction, the terminal can obtain the current signal quality of the second cell by measuring the signal of the second cell.
Subsequently, the terminal may report the current signal quality of the second cell to the first network device, so that the first network device may determine whether to issue a handover instruction to the terminal.
Step 2013: and reporting a measurement report corresponding to the second measurement and control instruction to the first network equipment.
Illustratively, the measurement report corresponding to the second measurement and control instruction at least includes the current signal quality of the second cell. The measurement report may further include frequency point information of the second cell, so that the first network device issues an accurate handover instruction to the terminal.
Step 2021: and according to a first switching instruction sent by the first network equipment, switching from the first cell to the second cell for residence, and storing the historical signal quality of the first cell.
Illustratively, the first handover command is used to instruct the terminal to handover from the first cell to the second cell for camping. After receiving the first handover command, the terminal may switch to the second cell for camping, and store the historical signal quality of the first cell, which may be measured when the terminal camps on the first cell.
Then, the terminal may determine whether to report the measured signal quality to the second network device according to the bandwidths of the first cell and the second cell and the difference between the measured signal quality of the first cell and the historical signal quality. If the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality of the first cell and the historical signal quality is less than the signal threshold, the terminal may not report the measured signal quality to the second network device, so that the terminal remains in the second cell with the larger bandwidth.
To sum up, in the cell camping method provided in this embodiment of the present application, before the terminal is handed over from the first cell to the second cell for camping, the terminal is camped in the first cell first according to the cell handover times of the terminal, so as to perform subsequent operations.
Optionally, after the terminal resides in the first cell, the terminal may perform signal measurement on the second cell according to a second measurement and control instruction issued by the first network device, and switch the terminal from the first cell to the second cell for residence according to the first switching instruction, and retain the historical signal quality of the first cell, so as to provide a judgment basis for subsequently residing the terminal in a cell with a larger bandwidth.
Fig. 5 is a flowchart illustrating a cell camping method according to an exemplary embodiment of the present application.
The terminal is located in a crossing area of signal coverage areas of a first cell and a second cell, the network device corresponding to the first cell is a first network device, and the network device corresponding to the second cell is a second network device. Optionally, the first network device and the second network device are the same network device or different network devices, which is not limited herein.
Illustratively, the cell camping method provided in the embodiment of the present application includes the following steps:
step 301: and under the condition that the cell switching times of the terminal exceed the first times, the terminal is resided in the first cell.
Illustratively, the number of cell handovers is the number of handovers performed by the terminal between the first cell and the second cell within the first time period. The terminal is switched from the first cell to the second cell and can be recorded as one switching, and the terminal is switched from the second cell to the first cell and can be recorded as another switching; the specific values of the first duration and the first times can be set according to actual needs.
In the embodiment of the application, when the cell switching times of the terminal exceed the first times, the terminal is resided in the first cell so as to obtain the historical signal quality of the first cell, and thus, when the bandwidth of the second cell is larger than that of the first cell and the difference between the measured signal quality of the first cell and the historical signal quality is smaller than a signal threshold, the terminal is kept to reside in the second cell with the larger bandwidth.
Take the first time length as N and the first time as 4 times as an example. If the terminal performs 5 times of handover between the first cell and the second cell within the duration N, and more than 4 times, the terminal may be camped in the first cell to obtain the historical signal quality of the first cell.
Step 302: and the first network equipment issues a second measurement and control instruction to the terminal.
Illustratively, the second measurement and control instruction is used to instruct the terminal to perform signal measurement on the second cell, and the first network device is a network device corresponding to the first cell. According to the second measurement and control instruction, the terminal can obtain the current signal quality of the second cell by measuring the signal of the second cell.
Subsequently, the terminal may report the current signal quality of the second cell to the first network device, so that the first network device may determine whether to issue a handover instruction to the terminal.
Step 303: and the terminal reports a measurement report corresponding to the second measurement and control instruction to the first network equipment.
Illustratively, the measurement report corresponding to the second measurement and control instruction at least includes the current signal quality of the second cell. The measurement report may further include frequency point information of the second cell, so that the first network device issues a handover instruction to the terminal.
Step 304: and the first network equipment issues a first switching instruction to the terminal.
Illustratively, the first handover command is used to instruct the terminal to handover from a first cell to a second cell for camping.
Step 305: and the terminal switches from the first cell to the second cell for residing according to the first switching instruction and stores the historical signal quality of the first cell.
After receiving the first handover command, the terminal may handover from the first cell to the second cell for camping, and store a historical signal quality of the first cell, which is measured when the terminal is camped on the first cell.
Step 306: and the second network equipment issues a first measurement and control instruction to the terminal.
Illustratively, the first measurement and control instruction is used to instruct the terminal to perform signal measurement on the first cell to obtain the measured signal quality of the first cell, and the second network device is a network device corresponding to the second cell.
And the measured signal quality is used for the terminal to stay in the second cell under the condition that the bandwidth of the second cell is larger than that of the first cell and the difference between the measured signal quality and the historical signal quality of the first cell is smaller than a signal threshold.
And after receiving the first measurement and control instruction, the terminal measures the signal of the first cell according to the first measurement and control instruction to acquire the quality of the measured signal. Under an optional implementation scene, the terminal reports the measured signal quality obtained by measurement to the second network equipment, so that the network equipment can judge whether to issue a switching instruction; in another optional usage scenario, the terminal does not report the measured signal quality to the second network device, so that the terminal remains camped on the second cell.
Optionally, the first network device and the second network device are different network devices, or are the same network device.
Step 3071: and under the condition that the bandwidth of the second cell is greater than that of the first cell and the difference between the measured signal quality and the historical signal quality is less than the signal threshold, the terminal does not report the measured signal quality to the second network equipment so as to stay in the second cell.
The measured signal quality is obtained by performing signal measurement on the first cell according to a first measurement and control instruction issued by the second network device, the historical signal quality is stored when the terminal is switched from the first cell to the second cell for residence, and the related description can refer to the foregoing contents and is not repeated.
Illustratively, under the condition that the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality is less than the signal threshold, the terminal does not report the measured signal quality to the second network device, and the second network device cannot acquire the signal quality of the first cell, so that the second device does not need to issue a handover instruction to the terminal, and the terminal is ensured to reside in the second cell with the larger bandwidth.
Optionally, the signal threshold is determined according to a communication protocol; or, the signal threshold is configured by a first network device, and the first network device is a network device corresponding to the first cell; alternatively, the signal threshold is configured by a second network device, the second network device being a network device corresponding to the second cell.
Step 3072: and under the condition that the bandwidth of the second cell is not more than the bandwidth of the first cell and/or the difference between the measured signal quality and the historical signal quality is not less than the signal threshold, the terminal reports the measured signal quality to the second network equipment.
According to the foregoing, in an alternative implementation scenario, the second cell in which the terminal resides does not have a large bandwidth. For example, the bandwidths of the first cell and the second cell are the same, or the bandwidth of the first cell is larger than the bandwidth of the second cell.
Or, the second cell where the terminal resides has a large bandwidth, and when the difference between the measured signal quality and the historical signal quality of the first cell is not less than the signal threshold, there is a possibility that the signal quality of the first cell is better than the signal quality of the second cell.
Based on this, the terminal may report the measured signal quality to the second network device under the condition that the bandwidth of the second cell is not greater than the bandwidth of the first cell, and/or the difference between the measured signal quality and the historical signal quality is not less than the signal threshold, so that the second network device determines whether to issue a handover instruction for handing over from the second cell to the first cell for camping to the terminal.
Optionally, the second network device issues a second handover instruction to the terminal, where the second handover instruction is used to instruct the terminal to switch from the second cell to the first cell for camping.
It should be appreciated that steps 3071 and 3072 are performed alternatively and not simultaneously.
Take the example where the bandwidth of the first cell is 15MHz and the bandwidth of the second cell is 20 MHz.
And the terminal performs multiple switching rounds between the first cell and the second cell within the first time length. And when the cell switching times of the terminal exceed the first times by 4 times, the terminal is resided in the first cell.
And under the condition that the terminal resides in the first cell, the terminal stores the historical signal quality of the first cell under the condition that the terminal is switched from the first cell to the second cell for residence according to a second measurement and control instruction and a first switching instruction issued by the first network equipment.
At this time, the terminal resides in the second cell having a large bandwidth.
And then, the terminal measures signals of the first cell according to a first measurement and control instruction issued by the second network equipment to acquire the quality of the measurement signals, and judges whether to report the quality of the measurement signals to the second network equipment or not according to the difference between the quality of the measurement signals and the quality of the historical signals.
In the event that the difference between the measured signal quality and the historical signal quality is less than the signal threshold, the terminal does not report the measured signal quality to the second network device, such that the terminal remains camped on a second cell having a bandwidth of 20 MHz. For example, the signal threshold is 3dbm, and the difference between the measured signal quality and the historical signal quality is smaller than the signal threshold, the terminal does not report the measured signal quality.
For example, in this embodiment of the present application, a step at a terminal side may be separately used as an embodiment of the cell camping method, and steps at a first network device side and a second network device side may both be separately used as an embodiment of the cell camping method, and for specific explanation of the step of the cell camping method, reference may be made to the above contents, which is not described again.
To sum up, in the cell camping method provided in this embodiment of the present application, when the terminal is located in an intersection area of signal coverage areas of the first cell and the second cell, according to bandwidths of the first cell and the second cell and a difference between measured signal quality and historical signal quality of the first cell, a handover of the terminal between the two cells is avoided, and the terminal is allowed to camp in the second cell with a larger bandwidth.
The following are embodiments of the apparatus of the present application, and for details that are not described in detail in the embodiments of the apparatus, reference may be made to corresponding descriptions in the above method embodiments, and details are not described herein again.
Fig. 6 is a schematic diagram illustrating a cell camping apparatus according to an exemplary embodiment of the present application, where the apparatus includes:
a storage module 610, configured to store historical signal quality of a first cell when a terminal is handed over from the first cell to a second cell for camping;
a processing module 620, configured to stay camped on the second cell if the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality of the first cell is less than the signal threshold.
Optionally, the processing module 620 is configured to, when the bandwidth of the second cell is greater than the bandwidth of the first cell and a difference between the measured signal quality and the historical signal quality is smaller than a signal threshold, not report the measured signal quality to the second network device to remain camped on the second cell; wherein the second network device is a network device corresponding to the second cell.
Optionally, the apparatus further comprises: the receiving module 630 is configured to receive a first measurement and control instruction issued by a second network device, where the first measurement and control instruction is used to instruct the terminal to perform signal measurement on the first cell to obtain measured signal quality.
Optionally, the apparatus further comprises: a reporting module 640, configured to report the measured signal quality to a second network device when the bandwidth of the second cell is not greater than the bandwidth of the first cell and/or a difference between the measured signal quality and the historical signal quality is not less than a signal threshold; wherein the second network device is a network device corresponding to the second cell.
Optionally, the processing module 620 is further configured to, in a case that the cell switching number of the terminal exceeds the first number, camp the terminal on the first cell; the cell switching times are the times of switching between the first cell and the second cell in the first time period by the terminal.
Optionally, the receiving module 630 is further configured to receive a second measurement and control instruction issued by the first network device, where the second measurement and control instruction is used to instruct the terminal to perform signal measurement on a second cell, and the first network device is a network device corresponding to the first cell; the reporting module 640 is further configured to report a measurement report corresponding to the second measurement and control instruction to the first network device; the processing module 620 is configured to switch from a first cell to a second cell for camping and storing historical signal quality according to a first switching instruction issued by the first network device.
Optionally, the first cell corresponds to the first network device, and the second cell corresponds to the second network device; the first network device and the second network device are different network devices; alternatively, the first network device and the second network device are the same network device.
Optionally, the signal threshold is determined according to a communication protocol; alternatively, the signal threshold is configured by a first network device, which is a network device corresponding to the first cell, or the signal threshold is configured by a second network device, which is a network device corresponding to the second cell.
Fig. 7 is a schematic diagram illustrating a cell camping apparatus according to an exemplary embodiment of the present application, where the apparatus includes:
the issuing module 710 is configured to issue a first measurement and control instruction to the terminal, where the first measurement and control instruction is used to instruct the terminal to perform signal measurement on a first cell to obtain measurement signal quality of the first cell; and the second network equipment is network equipment corresponding to the second cell, and the measured signal quality is used for remaining resident in the second cell under the condition that the bandwidth of the terminal in the second cell is greater than that of the terminal in the first cell and the difference between the measured signal quality and the historical signal quality of the terminal in the first cell is less than a signal threshold.
Optionally, the apparatus further comprises: a receiving module 720, configured to receive a measured signal quality reported by a terminal, where the measured signal quality is reported when a bandwidth of a second cell is not greater than a bandwidth of a first cell, and/or a difference between the measured signal quality and a historical signal quality is not less than a signal threshold.
Optionally, the issuing module 710 is further configured to issue a second handover instruction to the terminal, where the second handover instruction is used to instruct the terminal to handover from the second cell to the first cell for camping.
Optionally, the historical signal quality is stored by the terminal in case of camping by switching from the first cell to the second cell.
Fig. 8 is a schematic diagram illustrating a cell camping apparatus according to an exemplary embodiment of the present application, where the apparatus includes:
the issuing module 810 is configured to issue a second measurement and control instruction to the terminal, where the second measurement and control instruction is used to instruct the terminal to perform signal measurement on a second cell, and the first network device is a network device corresponding to the first cell;
a receiving module 820, configured to receive a measurement report corresponding to a second measurement and control instruction reported by a terminal;
the issuing module 810 is further configured to issue a first handover instruction to the terminal, where the first handover instruction is used to instruct the terminal to switch from a first cell to a second cell for camping, and to store historical signal quality of the first cell;
and the historical signal quality is used for the terminal to stay in the second cell under the condition that the bandwidth of the second cell is larger than that of the first cell, and the difference between the measured signal quality of the first cell and the historical signal quality is smaller than a signal threshold.
Optionally, the measured signal quality is obtained by the terminal performing signal measurement on the first cell according to a first measurement and control instruction issued by a second network device, where the second network device is a network device corresponding to the second cell.
Fig. 9 shows a schematic structural diagram of a communication device (terminal or network device) provided in an exemplary embodiment of the present application, where the communication device includes: a processor 901, a receiver 902, a transmitter 903, a memory 904, and a bus 905.
The processor 901 includes one or more processing cores, and the processor 901 executes various functional applications and information processing by executing software programs and modules.
The receiver 902 and the transmitter 903 may be implemented as one communication component, which may be a communication chip.
The memory 904 is coupled to the processor 901 via a bus 905.
The memory 904 may be configured to store at least one instruction, which the processor 901 is configured to execute to implement the steps of the cell camping method mentioned in the above method embodiments.
Further, memory 904 may be implemented by any type or combination of volatile or non-volatile storage devices, including, but not limited to: magnetic or optical disks, Electrically Erasable Programmable Read-Only memories (EEPROMs), Erasable Programmable Read-Only memories (EPROMs), Static Random Access Memories (SRAMs), Read-Only memories (ROMs), magnetic memories, flash memories, Programmable Read-Only memories (PROMs).
The embodiment of the application also provides a terminal, which comprises a processor and a memory; the terminal comprises a memory, a first cell and a second cell, wherein the memory is used for storing the historical signal quality of the first cell under the condition that the terminal is switched from the first cell to the second cell for residing; and a processor for remaining camped on the second cell if the bandwidth of the second cell is not less than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality of the first cell is less than the signal threshold.
An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored, where the computer program is used for being executed by a processor to implement the cell camping method as described above.
Embodiments of the present application further provide a chip, where the chip includes a programmable logic circuit and/or a program instruction, and when the chip runs, the chip is configured to implement the cell camping method as described above.
The embodiment of the present application further provides a computer program product, where the computer program product includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and a processor reads and executes the computer instructions from the computer-readable storage medium to implement the cell residence method as described above.
It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (20)
1. A cell camping method, performed by a terminal, the method comprising:
under the condition that the terminal is switched from a first cell to a second cell for residing, the historical signal quality of the first cell is stored;
remaining camped on the second cell if the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality of the first cell and the historical signal quality is less than a signal threshold.
2. The method of claim 1, wherein the remaining camped on the second cell if the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality of the first cell and the historical signal quality is less than a signal threshold comprises:
when the bandwidth of the second cell is larger than the bandwidth of the first cell and the difference between the measured signal quality and the historical signal quality is smaller than a signal threshold, not reporting the measured signal quality to a second network device so as to remain resident in the second cell;
wherein the second network device is a network device corresponding to the second cell.
3. The method of claim 2, wherein after the handover to the second cell camping, the method further comprises:
and receiving a first measurement and control instruction issued by the second network equipment, wherein the first measurement and control instruction is used for instructing the terminal to perform signal measurement on the first cell so as to acquire the quality of the measurement signal.
4. The method of any of claims 1 to 3, further comprising:
reporting the measurement signal quality to a second network device under the condition that the bandwidth of the second cell is not greater than the bandwidth of the first cell and/or the difference between the measurement signal quality and the historical signal quality is not less than a signal threshold;
wherein the second network device is a network device corresponding to the second cell.
5. The method according to any of claims 1 to 3, wherein before the terminal is handed over from the first cell to the second cell for camping, the method further comprises:
the terminal is resided in the first cell under the condition that the cell switching times of the terminal exceed a first time;
the cell switching times are times of switching between the first cell and the second cell in a first time period by the terminal.
6. The method of claim 5, wherein after the terminal camps on the first cell, the method further comprises:
receiving a second measurement and control instruction issued by first network equipment, wherein the second measurement and control instruction is used for instructing the terminal to perform signal measurement on the second cell, and the first network equipment is network equipment corresponding to the first cell;
reporting a measurement report corresponding to the second measurement and control instruction to the first network equipment;
the storing the historical signal quality of the first cell under the condition that the terminal is switched from the first cell to the second cell for camping comprises:
and switching from the first cell to the second cell for residence according to a first switching instruction issued by the first network equipment, and storing the historical signal quality.
7. The method according to any of claims 1 to 6, wherein the network device corresponding to the first cell is a first network device, and the network device corresponding to the second cell is a second network device;
the first network device and the second network device are different network devices;
alternatively, the first network device and the second network device are the same network device.
8. The method according to any one of claims 1 to 6,
the signal threshold is determined according to a communication protocol;
or the signal threshold is configured by a first network device, and the first network device is a network device corresponding to the first cell;
or the signal threshold is configured by a second network device, and the second network device is a network device corresponding to the second cell.
9. A cell camping apparatus, comprising:
the terminal comprises a storage module, a judging module and a judging module, wherein the storage module is used for storing the historical signal quality of a first cell under the condition that the terminal is switched from the first cell to a second cell for residing;
a processing module configured to stay camped on the second cell if the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality of the first cell and the historical signal quality is less than a signal threshold.
10. The apparatus of claim 9,
the processing module is configured to, when the bandwidth of the second cell is greater than the bandwidth of the first cell and a difference between the measured signal quality and the historical signal quality is less than a signal threshold, not report the measured signal quality to a second network device to remain camped on the second cell;
wherein the second network device is a network device corresponding to the second cell.
11. The apparatus of claim 10, further comprising:
and the receiving module is used for receiving a first measurement and control instruction issued by the second network equipment, wherein the first measurement and control instruction is used for indicating the terminal to perform signal measurement on the first cell so as to acquire the quality of the measurement signal.
12. The apparatus of any of claims 9 to 11, further comprising:
a reporting module, configured to report the measured signal quality to a second network device when a bandwidth of the second cell is not greater than a bandwidth of the first cell and/or a difference between the measured signal quality and the historical signal quality is not less than a signal threshold;
wherein the second network device is a network device corresponding to the second cell.
13. The apparatus according to any one of claims 9 to 11,
the processing module is further configured to camp the terminal in the first cell when the cell switching frequency of the terminal exceeds a first frequency;
the cell switching times are times of switching between the first cell and the second cell in a first time period by the terminal.
14. The apparatus of claim 13,
the receiving module is further configured to receive a second measurement and control instruction issued by a first network device, where the second measurement and control instruction is used to instruct the terminal to perform signal measurement on the second cell, and the first network device is a network device corresponding to the first cell;
the reporting module is further configured to report a measurement report corresponding to the second measurement and control instruction to the first network device;
the processing module is configured to switch from the first cell to the second cell for camping according to a first switching instruction issued by the first network device, and store the historical signal quality.
15. The apparatus of any of claims 9 to 14, wherein the first cell corresponds to a first network device and the second cell corresponds to a second network device;
the first network device and the second network device are different network devices;
alternatively, the first network device and the second network device are the same network device.
16. The apparatus according to any one of claims 9 to 14,
the signal threshold is determined according to a communication protocol;
or the signal threshold is configured by a first network device, and the first network device is a network device corresponding to the first cell;
alternatively, the signal threshold is configured by a second network device, and the second network device is a network device corresponding to the second cell.
17. A terminal, characterized in that the terminal comprises a processor and a memory;
the memory is used for storing the historical signal quality of a first cell under the condition that a terminal is switched from the first cell to a second cell for residence;
the processor is configured to remain camped on the second cell if the bandwidth of the second cell is greater than the bandwidth of the first cell and the difference between the measured signal quality of the first cell and the historical signal quality is less than a signal threshold.
18. A computer-readable storage medium, in which a computer program is stored, the computer program being adapted to be executed by a processor to implement the cell camping method according to any one of claims 1 to 8.
19. A chip comprising programmable logic circuitry and/or program instructions for implementing a cell camping method according to any of claims 1-8 when the chip is run.
20. A computer program product, comprising computer instructions stored in a computer readable storage medium, from which a processor reads and executes the computer instructions to implement the cell camping method according to any one of claims 1 to 8.
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