CN110418325B - Cell registration method, device, storage medium and electronic equipment - Google Patents
Cell registration method, device, storage medium and electronic equipment Download PDFInfo
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- CN110418325B CN110418325B CN201910670415.2A CN201910670415A CN110418325B CN 110418325 B CN110418325 B CN 110418325B CN 201910670415 A CN201910670415 A CN 201910670415A CN 110418325 B CN110418325 B CN 110418325B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/14—Mobility data transfer between corresponding nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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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 embodiment of the application discloses a cell registration method, a cell registration device, a storage medium and electronic equipment, wherein the method comprises the following steps: acquiring a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiating a registration request to a first cell in a cell set corresponding to the target operator identifier; when the registration request response indicates that the registration fails and the reason of the failure is that the attachment is unavailable, deleting a second cell in the cell set based on at least one tracking area identifier scanned by the full frequency band; selecting a next cell from the cell set after the second cell is deleted, taking the next cell as a first cell, and executing a step of initiating a registration request to the first cell in the cell set corresponding to the target operator identity; when the next cell does not exist in the cell set, displaying registration failure prompt information; when the registration request response indicates that the registration is successful, displaying registration success prompt information. Therefore, by adopting the embodiment of the application, the efficiency of cell registration can be improved.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a cell registration method, an apparatus, a storage medium, and an electronic device.
Background
The network architecture employed by various wireless communication technologies today is a cellular architecture. All user terminals that are able to provide normal communication services must start camping on a cell.
The cell residence method for the user terminal in the prior art mainly comprises the following steps: the method comprises the steps that at least one PLMN is searched through full-band scanning and displayed, a user manually selects a PLMN network, after the user finishes selecting, the terminal needs to perform full-band scanning on the PLMN again and initiate registration to a searched cell, if the registration fails and the failure reason is that a tracking area identifier is unavailable, the registration is initiated again after the full-band scanning is continuously performed, and the registration fails due to the fact that the registration is initiated again. In this process, the full-band scanning time is long, and a large amount of time is wasted due to registration failure caused by the same problem, thereby reducing the efficiency of cell registration.
Disclosure of Invention
The embodiment of the application provides a cell registration method, a cell registration device, a storage medium and an electronic device, which can improve the cell registration efficiency and save the power consumption of a user terminal. The technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a cell registration method, where the method includes:
acquiring a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiating a registration request to a first cell in a cell set corresponding to the target operator identifier;
when the registration request response indicates that registration fails and the reason for failure is that attachment is unavailable, deleting a second cell in the cell set based on at least one tracking area identifier scanned by the full frequency band, wherein the second cell and the first cell have the same tracking area identifier;
selecting a next cell from the cell set after the second cell is deleted, taking the next cell as the first cell, and executing the step of initiating a registration request to the first cell in the cell set corresponding to the target operator identity;
when the next cell does not exist in the cell set, displaying registration failure prompt information;
and when the registration request response indicates that the registration is successful, displaying registration success prompt information.
In a second aspect, an embodiment of the present application provides a cell registration apparatus, where the apparatus includes:
a request initiating module, configured to acquire a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiate a registration request to a first cell in a cell set corresponding to the target operator identifier;
a cell deleting module, configured to delete a second cell in the cell set based on at least one tracking area identifier scanned in the full band when the registration request response indicates that registration is failed and a failure reason is that attachment is unavailable, where the second cell and the first cell have a same tracking area identifier;
a cell selection module, configured to select a next cell from the cell set after the second cell is deleted, use the next cell as the first cell, and trigger the request initiation module to initiate a registration request to the first cell in the cell set corresponding to the target operator identifier;
a failure information display module, configured to display registration failure prompt information when a next cell does not exist in the cell set;
and the first success information display module is used for displaying registration success prompt information when the registration request response indicates that the registration is successful.
In a third aspect, embodiments of the present application provide a computer storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform the above-mentioned method steps.
In a fourth aspect, an embodiment of the present application provides an electronic device, which may include: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the above-mentioned method steps.
The beneficial effects brought by the technical scheme provided by some embodiments of the application at least comprise:
in this embodiment, a ue acquires a target operator identity selected from at least one operator identity scanned in a full band, initiates a registration request to a first cell in a cell set corresponding to the target operator identity, and when a registration request response indicates that registration fails and an attachment failure reason is unavailable, deletes a second cell in the cell set based on at least one tracking area identity scanned in the full band, where the second cell and the first cell have the same tracking area identity, and then selects a next cell in the cell set after deleting the second cell, and takes the next cell as the first cell, and executes the step of initiating the registration request to the first cell in the cell set corresponding to the target operator identity, where the next cell does not exist in the cell set, displaying registration failure prompt information; and when the registration request response indicates that the registration is successful, displaying registration success prompt information. When the cell registration fails and the reason of the failure is that the tracking area identification is unavailable, the cell with the same tracking area identification is deleted, so that the registration of the unavailable cell with the same tracking area identification can be reduced, the invalid registration is reduced, a large amount of time is saved, the cell registration efficiency is improved, and meanwhile, the power consumption of a user terminal can be saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIGS. 1a-1b are schematic diagrams illustrating an implementation scenario provided by an embodiment of the present application;
fig. 2 is a flowchart illustrating a cell registration method according to an embodiment of the present application;
fig. 3 is a schematic flowchart of cell registration according to an embodiment of the present application;
fig. 4 is a flowchart illustrating a cell registration method according to an embodiment of the present application;
fig. 5 is an exemplary schematic view of a display interface of a network searching mode according to an embodiment of the present application;
fig. 6 is an exemplary schematic diagram of a PLMN display interface according to an embodiment of the present application;
fig. 7 is an exemplary schematic diagram of a failure prompt information display interface according to an embodiment of the present application;
fig. 8 is an exemplary schematic diagram of a success prompt information display interface provided in an embodiment of the present application;
fig. 9 is a schematic structural diagram of a cell registration apparatus according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a request initiating module according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of a cell deletion module according to an embodiment of the present application;
fig. 12 is a schematic structural diagram of a request initiating module according to an embodiment of the present application;
fig. 13 is a schematic structural diagram of an electronic device according to an 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.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the claims that follow.
In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified. "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.
Please refer to fig. 1a and 1b, which are schematic diagrams of an implementation scenario provided in an embodiment of the present application, as shown in fig. 1a, a current location of a user terminal 100 is covered by multiple cells, where a cell covered by a first base station 200 is a primary cell, and a cell covered by a second base station 300 is a secondary cell. The user terminal 100 is located in the intersection of the primary cell and the secondary cell. The primary cell may be understood as a cell covered by the first base station 200 that is scanned by the user terminal 100 and has a higher signal quality than a cell covered by the second base station 300.
Of course, the secondary cell may include more than one cell, and the secondary cell may also include other cells covered by the second base station 200, or include cells covered by other second base stations, and may also include other cells covered by the first base station 100 (as shown in fig. 1 b). That is, one base station may cover a plurality of cells. In contrast, in the case shown in fig. 1b, it can be understood that, among the cells covered by the first base station, the cell with the strongest signal quality is the primary cell, and the rest are the secondary cells.
The cells covered by the current location of the ue 100 may include a Long Term Evolution (LTE) cell, a Universal Mobile Telecommunications System (UMTS) cell, a Global System for Mobile Communications (GSM) cell, or a combination thereof. And for the LTE system cell, the UMTS system cell and the GSM system cell, a plurality of cells are respectively included.
Each cell (primary cell, secondary cell) corresponds to a frequency point (or frequency band). The frequency point is a central frequency point. For example, the central frequency point is 2100MHz, the system bandwidth is 20MHz, and then the frequency band of this cell is 2090-2110 MHz.
The adjacent cell may be concentric with the cell, or may be different. If the frequency point is the concentric frequency point, for LTE, an inter-cell interference coordination technology is used for controlling the inter-cell interference at the edge. If the frequency is different, the difference between the central frequency points is at least 20Mhz, and the frequency does not overlap.
The user terminal 100 includes but is not limited to: personal computers, tablet computers, handheld devices, vehicle mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, and the like. Terminals can be called different names in different networks, for example: user equipment, access terminal, subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user equipment, cellular telephone, cordless telephone, Personal Digital Assistant (PDA), terminal equipment in a 5G network or future evolution network, and the like.
The first base station 200 and the second base station 300 correspond to a Public Land Mobile Network (PLMN) or an operator identity (PLMN), respectively. For base stations of different PLMNs, corresponding frequency bands are different for cells of the same system. For example, the frequency range of the LTE cell corresponding to the PLMN for the china mobile includes 1880-1900MHz (20M), 2320-2370MHz (50M), 2575-2635MHz (65M); the frequency range of the LTE cell corresponding to the PLMN for chinese communication includes 2300-; the frequency range of the LTE cell corresponding to the PLMN in China telecom comprises 2370-2390MHz (20M), 2635-2655MHz (20M).
As shown in fig. 1a, a User Equipment (UE)100 scans cells in a full-band scanning mode, obtains and displays at least one operator identifier by reading a received system message, selects a target operator identifier from the at least one operator identifier, and initiates a registration request to a first cell in a cell set corresponding to the target operator identifier.
The full-band scanning refers to scanning and searching all frequency bands of multiple network systems of LTE, UMTS and GSM. The cell scanning can be performed by starting a manual network searching mode and then adopting a full-band scanning mode.
After the scanning is finished, at least one cell information scanned by a full frequency band can be acquired and stored, the cell information comprises an operator identifier and a tracking area identifier, and then a target operator identifier PLMN selected from the at least one operator identifier is acquired.
Each PLMN may correspond to a plurality of available frequency points (available cells), and a first cell with the largest signal strength value may be selected for registration.
When the registration request response indicates that registration fails and the failure reason is that attachment is unavailable, it indicates that tracking area identifiers (TAC) or LAC are unavailable, based on at least one tracking area identifier scanned by the full frequency band, a second cell in the cell set, which has the same tracking area identifier as the first cell, is deleted, a next cell is selected from the cell set after the second cell is deleted, then the same registration request is executed, and when a next cell does not exist in the cell set, it indicates that all available cells in the target PLMN have registration failure, registration failure prompt information is displayed; when the registration request response indicates that the registration is successful, displaying registration success prompt information so as to reside in the cell to receive network service.
In this embodiment, a ue acquires a target operator identity selected from at least one operator identity scanned in a full band, initiates a registration request to a first cell in a cell set corresponding to the target operator identity, and when a registration request response indicates that registration fails and an attachment failure reason is unavailable, deletes a second cell in the cell set based on at least one tracking area identity scanned in the full band, where the second cell and the first cell have the same tracking area identity, and then selects a next cell in the cell set after deleting the second cell, and takes the next cell as the first cell, and executes the step of initiating the registration request to the first cell in the cell set corresponding to the target operator identity, where the next cell does not exist in the cell set, displaying registration failure prompt information; and when the registration request response indicates that the registration is successful, displaying registration success prompt information. When the cell registration fails and the reason of the failure is that the tracking area identification is unavailable, the cell with the same tracking area identification is deleted, so that the registration of the unavailable cell with the same tracking area identification can be reduced, the invalid registration is reduced, a large amount of time is saved, the cell registration efficiency is improved, and meanwhile, the power consumption of a user terminal can be saved.
The cell registration method provided by the embodiment of the present application will be described in detail below with reference to fig. 2 to 8. The method may be implemented in dependence on a computer program, operable on a cell registration device based on the von neumann architecture. The computer program may be integrated into the application or may run as a separate tool-like application. The cell registration apparatus in this embodiment may be a terminal shown in fig. 1.
Please refer to fig. 2, which is a flowchart illustrating a cell registration method according to an embodiment of the present disclosure. As shown in fig. 1, the method of the embodiment of the present application may include the steps of:
s101, acquiring a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiating a registration request to a first cell in a cell set corresponding to the target operator identifier;
the full-band scanning refers to scanning and searching all frequency bands of various network systems of LTE, UMTS and GSM.
GSM is a second generation (2G) mobile telephony, a digital mobile communications standard developed by the european telecommunications standards institute ETSI. Its air interface uses time division multiple access technology. Is currently the most widely used standard for mobile phones.
UMTS is a third generation (3G) mobile telephony, one of the global 3G standards set by the international organization for standardization 3 GPP. Its main body includes a series of technical specifications and interface protocols of CDMA access network and packetized core network. UMTS is not limited to defining air interfaces, and in addition to the continued evolution of WCDMA as the preferred air interface technology, UMTS has also successively introduced TD-SCDMA and HSDPA technologies.
LTE is a fourth generation (4G) mobile phone technology, which is not a 4G technology widely misunderstood, but a transition between 3G and 4G technologies, is a global standard of 3.9G, which improves and enhances the 3G over-the-air access technology, and adopts OFDM and MIMO as unique standards for its wireless network evolution, and this technology with OFDM/FDMA as core can be regarded as a "quasi 4G" technology LTE system that defines both Frequency Division Duplex (FDD) and Time Division Duplex (TDD) modes.
And carrying out cell search by adopting full-band scanning, presenting a search result through system information after the search is finished, and obtaining corresponding cell information by reading the system information.
For LTE, the received system message includes (masterinformation block, MIB)/(systemlnformaticblocktype 1, SIB1), from which a Public Land mobile Network or operator identity (PLMN), a cell identity cell ID, a tracking area identity TAC parameter, and the like corresponding to a cell may be obtained.
For UMTS, the received system message includes MIB, from which the PLMN corresponding to the cell is obtained, etc.
For GSM, the received System message includes (System Information Type3, SI3), from which PLMN, tracking area identity, LAC, parameters and the like corresponding to the cell are obtained.
The read PLMNs may be displayed in a list form, and the PLMNs may be prioritized and then one PLMN is selected for cell registration. The selection of the PLMN has two modes of automatic network selection and manual network selection. When the network is automatically selected, the terminal equipment automatically selects a target PLMN according to the priority order of the PLMNs, and the manual network selection presents all current available networks to the user, so that the user selects the target PLMN.
After selecting the target PLMN, the cell information under the target PLMN is rescanned to realize downlink synchronization with the scanned first cell, so that a registration request is initiated to the first cell. It should be noted that, for full-band scanning, if frequency sweeping is performed in a 100KHz bandwidth during searching, 22900 frequency points need to be scanned only in an LTE frequency band, and therefore, if full-band scanning is adopted for re-scanning, a long time is required, and in order to save time for re-scanning, a cell frequency point set corresponding to a target PLMN may be read from a system message stored in advance, that is, which frequency points under each PLMN exist in a cell are stored in advance, for example, when full-band scanning is performed, cells under the target PLMN, 820MHz, 850MHz, and 860MHz exist in a cell are scanned, and therefore, cell scanning may be performed based on these frequency points as a frequency sweeping range at this time, so as to obtain a more accurate cell set, and a registration request may be initiated to a first cell therein.
The first cell may be a cell with the best signal quality or highest priority in the scanned cell set.
The specific registration process is shown in fig. 3, and includes the following steps: cell search, random access, UE (user equipment) initiating an attachment request, authentication and information encryption of a user identity, deletion of a bearer left by the user, request of a new MME for subscription data of the UE from an HSS (home subscriber server), deletion of user information in an old MME, establishment of a default bearer by an MME instruction, successful attachment, establishment of a default bearer channel and allocation of an IP (Internet protocol) address by the user.
Wherein, the cell search: acquiring downlink synchronization including time and frequency synchronization with a base station, detecting and acquiring network identifiers such as PLMN ID and cell ID, and starting to read broadcast information of a cell so as to acquire related system information configured by bandwidth, antennas and the like;
random access: and the UE acquires uplink synchronization with the eNB through the process and applies for establishing RRC air interface radio resource link. UE sends shorthand Preamble code to base station to start access process, in the competition access of multiple UEs, the UE which obtains successful response completes access, otherwise, UE starts random access process again after waiting for a period of time;
an attachment request: UE sends an attach request to the network side to complete the registration in the network. In the process, mutual authentication between the user and the network is carried out through the steps of representing parameter verification such as GUTI and TAI, NAS safety verification and the like. If the UE is not attached for the first time, i.e. the ID of the UE in the attach request is GUTI, the network first obtains the IMSI identity of the user through the identification procedure.
It should be noted that, after the target PLMN is selected, the rescanning is performed on the one hand to achieve downlink synchronization between the ue and the base station, including time and frequency synchronization, and on the other hand, there is a time interval between full-band scanning and rescanning, and in this process, there may be a change in frequency points of cells, and more accurate cell information at the current time can be scanned by rescanning.
S102, when the registration request response indicates that registration fails and a reason for the failure is that attachment is unavailable, deleting a second cell in the cell set based on at least one tracking area identifier scanned in the full band, where the second cell and the first cell have a same tracking area identifier;
and when the registration request response indicates that the registration fails and indicates that the attachment is unavailable (#15), indicating that the TAC/LAC of the first cell cannot be applied, traversing the pre-stored TAC/LAC of each cell under the target PLMN to find out a second cell having the same TAC/LAC as the first cell, and deleting the found second cell.
Optionally, when the registration request response indicates that the registration is successful, displaying registration success prompt information, and camping in the first cell.
S103, selecting a next cell from the cell set after deleting the second cell, taking the next cell as the first cell, and executing the step of initiating a registration request to the first cell in the cell set corresponding to the target operator identity;
in order to realize cell residence, after the first cell registration fails, other remaining cells under the target PLMN are selected, and frequency sweeping and registration are performed in the same manner.
S104, when the next cell does not exist in the cell set, showing registration failure prompt information;
that is, when all cells in the target PLMN traverse to complete the absence of available cells, indicating that the registration fails, a registration failure prompt message is presented to the user, so as to facilitate the user to select another PLMN to attempt registration.
Optionally, when there is no next cell in the cell set, another PLMN may be selected for re-registration based on the priority of each PLMN in the PLMN list displayed in the full band scanning.
S105, when the registration request response indicates that the registration is successful, displaying registration success prompt information.
When the registration request response indicates that the registration is successful, registration success prompt information is displayed to the user, and the user is resided in the cell so as to receive the service from the network.
In this embodiment, a ue acquires a target operator identity selected from at least one operator identity scanned in a full band, initiates a registration request to a first cell in a cell set corresponding to the target operator identity, and when a registration request response indicates that registration fails and an attachment failure reason is unavailable, deletes a second cell in the cell set based on at least one tracking area identity scanned in the full band, where the second cell and the first cell have the same tracking area identity, and then selects a next cell in the cell set after deleting the second cell, and takes the next cell as the first cell, and executes the step of initiating the registration request to the first cell in the cell set corresponding to the target operator identity, where the next cell does not exist in the cell set, displaying registration failure prompt information; and when the registration request response indicates that the registration is successful, displaying registration success prompt information. When the cell registration fails and the reason of the failure is that the tracking area identification is unavailable, the cell with the same tracking area identification is deleted, so that the registration of the unavailable cell with the same tracking area identification can be reduced, the invalid registration is reduced, a large amount of time is saved, the cell registration efficiency is improved, and meanwhile, the power consumption of a user terminal can be saved.
Please refer to fig. 4, which is a flowchart illustrating a cell registration method according to an embodiment of the present disclosure. The present embodiment is exemplified by applying the cell registration method to the user equipment. The cell registration method may include the steps of:
s201, starting a manual network searching mode, and performing cell scanning in a full-band scanning mode;
for the user terminal, a manual network searching mode and an automatic network searching mode are set, and the user terminal can be triggered to perform full-band scanning by starting the manual network searching mode.
As shown in fig. 5, which is a schematic view of a start interface of a manual network searching mode, when a switch button in the "manual" mode is turned on, full band scanning can be triggered.
The full-band scanning refers to scanning and searching all frequency points of various network systems of LTE, UMTS and GSM. The frequency point is a central frequency point.
For example, for full band scanning, if frequency sweeping is performed in a 100KHz bandwidth during searching, 22900 frequency points need to be scanned only in the LTE frequency band.
S202, acquiring scanned cell information and storing the cell information, wherein the cell information comprises an operator identifier, a tracking area identifier and a cell frequency point;
the operator is identified as PLMN, and the PLMN of China Mobile is 46000, 46002 and 46007; the PLMN of China Unicom is 46001, 46006; the PLMN of China telecom is 46003, 46005.
The tracking area is identified as TAC or LAC. The TAC is an identifier of a tracking area in the PLMN, is used for location management of the user terminal, and is unique in the PLMN. LAC is the area code of the area where the base station is located.
The frequency point of the cell is the midpoint frequency point of the frequency band corresponding to the cell. For example, the central frequency point is 2100MHz, the system bandwidth is 20MHz, and then the frequency band of this cell is 2090-2110 MHz.
In addition, the Cell information may also include a Cell ID. The Cell-ID is the EUTRAN Cell identification, the value range of the Cell ID is 0-255 (decimal)/0 x 00-0xFF (hexadecimal), and all codes with 0 are not used.
And the user terminal receives the system message, reads the cell information contained in the system message and stores the cell information in the database. One storage form is shown in table 1, and the PLMN is classified according to the PLMN, where different PLMNs correspond to multiple cell frequency points, and TAC/LAC corresponding to each cell frequency point.
TABLE 1
For a user terminal, several different types of PLMN lists are usually maintained, and each list may have multiple types of PLMNs, such as RPLMN, EPLMN, HPLMN, VPLMN, UPLMN, and the like.
The priority levels of different types of PLMNs are different, and the terminal sequentially performs PLMN selection according to the following sequence: RPLMN > EPLMN > HPLMN > EHPLMN > UPLMN > OPLMN > other PLMNs.
S203, displaying the at least one operator identifier;
for example, after the full band scanning is completed, the scanned PLMNs include A, B, C, D, E, which is shown in fig. 6. Wherein each PLMN may be prioritized.
S204, acquiring a target operator identifier selected from the at least one operator identifier, and acquiring a cell frequency point set corresponding to the target operator identifier;
the selection of the PLMN has two modes of automatic network selection and manual network selection. When the network is automatically selected, the terminal equipment automatically selects a target PLMN according to the priority order of the PLMNs, and the manual network selection presents all current available PLMNs to a user, so that the user selects the target PLMN.
If the selected PLMN is A, the A is determined as the target operator identification, and the frequency points of the cell corresponding to the A are searched in a pre-stored database (such as a table 1) to be 1885, 2350, 2570, 2020, 900 and 1715, wherein the 1885, 2350 and 2570 are LTE cells, 2020 is a UMTS cell, and 900 and 1715 are GSM cells.
Specifically, an identifier selection instruction input for the at least one operator identifier is received, and a target operator identifier corresponding to the identifier selection instruction is obtained.
S205, scanning the cell based on the cell frequency point set to obtain a cell set, and initiating a registration request to a first cell in the cell set;
for example, if the selected PLMN is a, the frequency points are scanned sequentially based on 1885, 2350, 2570, 2020, 900 and 1715, so as to obtain an available cell set. And then acquiring the signal strength value of each cell in the cell set, acquiring the maximum signal strength value in the signal strength values of the cells, and initiating a registration request to the first cell indicated by the maximum signal strength value.
For a specific registration process, refer to fig. 3, which is not described herein again.
S206, when the registration request response indicates that the registration fails and the reason of the failure is that the attachment is unavailable, deleting a second cell which has the same tracking area identifier as the first cell in the cell set based on the at least one tracking area identifier;
specifically, when the registration request response indicates that registration fails and indicates that attachment is unavailable (#15), it indicates that the TAC/LAC of the first cell is not applicable, a target tracking area identifier that is the same as the tracking area identifier of the first cell is searched for in the at least one tracking area identifier, and a second cell corresponding to the target tracking area identifier in the cell set is deleted, so that time waste due to invalid registration of cells corresponding to the same unavailable TAC/LAC can be avoided.
S207, selecting a next cell from the cell set after the second cell is deleted, taking the next cell as the first cell, and executing the step of initiating a registration request to the first cell in the cell set corresponding to the target operator identifier;
see S103 for details, which are not described herein.
S208, when the next cell does not exist in the cell set, displaying registration failure prompt information;
for example, as shown in fig. 7, when the registration fails, a prompt may be output in the form of a prompt box to indicate the registration result, the reason for the failure, and a suggestion that all cells under a failed to register, and possibly to attempt to use another PLMN for registration.
Of course, the manner of outputting the prompt message may also be a voice manner, a short message manner, and the like, and is not limited specifically here.
For a specific implementation, see S104, which is not described herein again.
S209, when the registration request response indicates that the registration is successful, displaying a registration success prompt message.
For example, as shown in fig. 8, when the registration is successful, the form of the prompt box may output ". x. the cell is successfully camped, and the network service is started to be used", so as to inform the user of the registration result and the relevant information such as the camped cell frequency point, and the user experience may be improved.
For specific implementation, see S105, which is not described herein again.
In this embodiment, a ue acquires a target operator identity selected from at least one operator identity scanned in a full band, initiates a registration request to a first cell in a cell set corresponding to the target operator identity, and when a registration request response indicates that registration fails and an attachment failure reason is unavailable, deletes a second cell in the cell set based on at least one tracking area identity scanned in the full band, where the second cell and the first cell have the same tracking area identity, and then selects a next cell in the cell set after deleting the second cell, and takes the next cell as the first cell, and executes the step of initiating the registration request to the first cell in the cell set corresponding to the target operator identity, where the next cell does not exist in the cell set, displaying registration failure prompt information; and when the registration request response indicates that the registration is successful, displaying registration success prompt information. When the cell registration fails and the reason of the failure is that the tracking area identification is unavailable, the cell with the same tracking area identification is deleted, so that the registration of the unavailable cell with the same tracking area identification can be reduced, the invalid registration is reduced, the network injection optimization effect is achieved, a large amount of time is saved, the cell registration efficiency is improved, and meanwhile, the power consumption of a user terminal can be saved. In addition, the frequency points of the cells scanned in the full frequency band are pre-stored, and when cell registration is carried out, scanning is carried out only on the basis of the stored frequency points, so that the frequency sweeping range is narrowed, and the network searching time is shortened.
The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present application.
Please refer to fig. 9, which shows a schematic structural diagram of a cell registration apparatus according to an exemplary embodiment of the present application. The cell registration means may be implemented as all or part of the terminal by software, hardware or a combination of both. The device 1 includes a request initiating module 10, a cell deleting module 20, a cell selecting module 30, a failure information displaying module 40 and a success information displaying module 50.
A request initiating module 10, configured to acquire a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiate a registration request to a first cell in a cell set corresponding to the target operator identifier;
a cell deleting module 20, configured to delete a second cell in the cell set based on at least one tracking area identifier scanned by the full band when the registration request response indicates that registration fails and a reason of the failure is that attachment is unavailable, where the second cell and the first cell have a same tracking area identifier;
a cell selection module 30, configured to select a next cell from the cell set after the second cell is deleted, use the next cell as the first cell, and trigger the request initiation module to initiate a registration request to the first cell in the cell set corresponding to the target operator identifier;
a failure information display module 40, configured to display registration failure prompt information when a next cell does not exist in the cell set;
and a success information display module 50, configured to display a prompt information of success registration when the registration request response indicates success registration.
Optionally, as shown in fig. 10, the request initiating module 10 includes:
an information scanning unit 101, configured to acquire at least one piece of cell information scanned in a full frequency band, where the cell information includes an operator identifier and a tracking area identifier;
an identifier selecting unit 102, configured to acquire a target operator identifier selected from the at least one operator identifier;
optionally, as shown in fig. 10, the request initiating module 10 further includes:
an identifier display unit 103, configured to display the at least one operator identifier;
the identifier selecting unit 102 is specifically configured to:
and receiving an identification selection instruction input aiming at the at least one operator identification, and acquiring a target operator identification corresponding to the identification selection instruction.
The cell deleting module 20 is specifically configured to:
deleting a second cell in the set of cells having the same tracking area identity as the first cell based on the at least one tracking area identity.
Optionally, as shown in fig. 11, the cell deleting module 20 includes:
an identifier searching unit 201, configured to search for a target tracking area identifier that is the same as the tracking area identifier of the first cell from among the at least one tracking area identifier;
a cell deleting unit 202, configured to delete the second cell corresponding to the target tracking area identifier in the cell set.
Optionally, the cell information further includes a cell frequency point, as shown in fig. 12, the request initiating module 10 includes:
a cell scanning unit 104, configured to obtain a cell frequency point set corresponding to the target operator identifier, and perform cell scanning based on the cell frequency point set to obtain a cell set;
a request initiating unit 105, configured to initiate a registration request to a first cell in the cell set.
Optionally, the request initiating unit 104 is specifically configured to:
acquiring signal strength values of all cells in the cell set, and acquiring the maximum signal strength value in the signal strength values of all the cells;
and initiating a registration request to the first cell indicated by the maximum signal strength value.
Optionally, the information scanning unit 101 is specifically configured to:
starting a manual network searching mode, and scanning a cell by adopting a full-band scanning mode;
and acquiring the scanned information of at least one cell and storing the information of at least one cell.
It should be noted that, when the cell registration apparatus provided in the foregoing embodiment executes the cell registration method, only the division of the above functional modules is used for illustration, and in practical applications, the above function allocation may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the above described functions. In addition, the cell registration apparatus and the cell registration method provided in the foregoing embodiments belong to the same concept, and details of implementation processes thereof are referred to in the method embodiments and are not described herein again.
The above-mentioned serial numbers of the embodiments of the present application are merely for description, and do not represent the advantages and disadvantages of the embodiments.
In this embodiment, a ue acquires a target operator identity selected from at least one operator identity scanned in a full band, initiates a registration request to a first cell in a cell set corresponding to the target operator identity, and when a registration request response indicates that registration fails and an attachment failure reason is unavailable, deletes a second cell in the cell set based on at least one tracking area identity scanned in the full band, where the second cell and the first cell have the same tracking area identity, and then selects a next cell in the cell set after deleting the second cell, and takes the next cell as the first cell, and executes the step of initiating the registration request to the first cell in the cell set corresponding to the target operator identity, where the next cell does not exist in the cell set, displaying registration failure prompt information; and when the registration request response indicates that the registration is successful, displaying registration success prompt information. When the cell registration fails and the reason of the failure is that the tracking area identification is unavailable, the cell with the same tracking area identification is deleted, so that the registration of the unavailable cell with the same tracking area identification can be reduced, the invalid registration is reduced, the network injection optimization effect is realized, a large amount of time is saved, the cell registration efficiency is improved, and meanwhile, the power consumption of a user terminal can be saved. In addition, the frequency points of the cells scanned in the full frequency band are pre-stored, and when cell registration is carried out, scanning is carried out only on the basis of the stored frequency points, so that the frequency sweeping range is narrowed, and the network searching time is shortened.
An embodiment of the present application further provides a computer storage medium, where the computer storage medium may store a plurality of instructions, where the instructions are suitable for being loaded by a processor and executing the method steps in the embodiments shown in fig. 1 to 8, and a specific execution process may refer to specific descriptions of the embodiments shown in fig. 1 to 8, which are not described herein again.
Please refer to fig. 13, which provides a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 13, the electronic device 1000 may include: at least one processor 1001, at least one network interface 1004, a user interface 1003, memory 1005, at least one communication bus 1002.
Wherein a communication bus 1002 is used to enable connective communication between these components.
The user interface 1003 may include a Display screen (Display) and a Camera (Camera), and the optional user interface 1003 may also include a standard wired interface and a wireless interface.
The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.
The Memory 1005 may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 1005 includes a non-transitory computer-readable medium. The memory 1005 may be used to store an instruction, a program, code, a set of codes, or a set of instructions. The memory 1005 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the various method embodiments described above, and the like; the storage data area may store data and the like referred to in the above respective method embodiments. The memory 1005 may alternatively be at least one memory device located remotely from the processor 1001. As shown in fig. 13, a memory 1005, which is one type of computer storage medium, may include an operating system, a network communication module, a user interface module, and a cell registration application program therein.
In the electronic device 1000 shown in fig. 13, the user interface 1003 is mainly used as an interface for providing input for a user, and acquiring data input by the user; and the processor 1001 may be configured to invoke the cell registration application stored in the memory 1005 and specifically perform the following operations:
acquiring a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiating a registration request to a first cell in a cell set corresponding to the target operator identifier;
when the registration request response indicates that registration fails and the reason for failure is that attachment is unavailable, deleting a second cell in the cell set based on at least one tracking area identifier scanned by the full frequency band, wherein the second cell and the first cell have the same tracking area identifier;
selecting a next cell from the cell set after the second cell is deleted, taking the next cell as the first cell, and executing the step of initiating a registration request to the first cell in the cell set corresponding to the target operator identity;
when the next cell does not exist in the cell set, displaying registration failure prompt information;
and when the registration request response indicates that the registration is successful, displaying registration success prompt information.
In an embodiment, the processor 1001, when performing the acquiring of the target operator identifier selected from the at least one operator identifier scanned in the full frequency band, specifically performs the following operations:
acquiring at least one piece of cell information scanned by a full frequency band, wherein the cell information comprises an operator identifier and a tracking area identifier;
acquiring a target operator identifier selected from the at least one operator identifier;
the processor 1001, when executing to delete a second cell in the cell set having a same tracking area identity as the first cell based on at least one tracking area identity scanned in the full frequency band, specifically performs the following operations:
deleting a second cell in the set of cells having the same tracking area identity as the first cell based on the at least one tracking area identity.
In an embodiment, the processor 1001 specifically performs the following operations when performing the deletion of the second cell having the same tracking area identity as the first cell in the cell set based on the at least one tracking area identity:
searching a target tracking area identifier which is the same as the tracking area identifier of the first cell in the at least one tracking area identifier;
and deleting the second cell corresponding to the target tracking area identifier in the cell set.
In an embodiment, the cell information further includes a cell frequency point, and when the processor 1001 executes a registration request to a first cell in a cell set corresponding to the target operator identifier, the following operation is specifically executed:
acquiring a cell frequency point set corresponding to the target operator identifier, and performing cell scanning based on the cell frequency point set to obtain a cell set;
and initiating a registration request to a first cell in the cell set.
In an embodiment, when the processor 1001 executes a registration request to a first cell in the cell set, the following operations are specifically executed:
acquiring signal strength values of all cells in the cell set, and acquiring the maximum signal strength value in the signal strength values of all the cells;
and initiating a registration request to the first cell indicated by the maximum signal strength value.
In an embodiment, the processor 1001, when performing the acquiring of the at least one piece of cell information scanned in the full frequency band, specifically performs the following operations:
starting a manual network searching mode, and performing cell scanning in a full-band scanning mode;
and acquiring the scanned information of at least one cell and storing the information of at least one cell.
In one embodiment, the processor 1001 further performs the following operation before performing the acquiring of the target operator identity selected from the at least one operator identity:
presenting the at least one operator identification;
the processor 1001, when performing acquiring the target operator identifier selected from the at least one operator identifier, specifically performs the following operations:
and receiving an identification selection instruction input aiming at the at least one operator identification, and acquiring a target operator identification corresponding to the identification selection instruction.
In this embodiment, a ue obtains a target operator identifier selected from at least one operator identifier scanned in a full frequency band, initiates a registration request to a first cell in a cell set corresponding to the target operator identifier, when a registration request response indicates that registration fails and a cause of failure is that attachment is unavailable, deletes a second cell in the cell set based on at least one tracking area identifier scanned in the full frequency band, where the second cell and the first cell have a tracking area identifier that is the same, then selects a next cell in the cell set after the deletion of the second cell, uses the next cell as the first cell, and executes the step of initiating the registration request to the first cell in the cell set corresponding to the target operator identifier, and when the next cell does not exist in the cell set, displaying registration failure prompt information; and when the registration request response indicates that the registration is successful, displaying registration success prompt information. When the cell registration fails and the reason of the failure is that the tracking area identification is unavailable, the cell with the same tracking area identification is deleted, so that the registration of the unavailable cell with the same tracking area identification can be reduced, the invalid registration is reduced, the network injection optimization effect is realized, a large amount of time is saved, the cell registration efficiency is improved, and meanwhile, the power consumption of a user terminal can be saved. In addition, the frequency points of the cells scanned in the full frequency band are pre-stored, and when cell registration is carried out, scanning is carried out only on the basis of the stored frequency points, so that the frequency sweeping range is narrowed, and the network searching time is shortened.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium can be a magnetic disk, an optical disk, a read-only memory or a random access memory.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.
Claims (14)
1. A method of cell registration, the method comprising:
acquiring at least one cell information scanned by a full frequency band, wherein the cell information comprises an operator identifier, a tracking area identifier and a cell frequency point;
acquiring a target operator identifier selected from the at least one operator identifier, and initiating a registration request to a first cell in a cell set corresponding to the target operator identifier;
when the registration request response indicates that registration fails and the reason for failure is that attachment is unavailable, deleting a second cell in the cell set, which has the same tracking area identifier as the first cell, based on the at least one tracking area identifier;
selecting a next cell from the cell set after the second cell is deleted, taking the next cell as the first cell, and executing the step of initiating a registration request to the first cell in the cell set corresponding to the target operator identity;
when the next cell does not exist in the cell set, displaying registration failure prompt information;
and when the registration request response indicates that the registration is successful, displaying registration success prompt information.
2. The method of claim 1, wherein the deleting a second cell in the set of cells having a same tracking area identity as the first cell based on the at least one tracking area identity comprises:
searching a target tracking area identifier which is the same as the tracking area identifier of the first cell in the at least one tracking area identifier;
and deleting the second cell corresponding to the target tracking area identifier in the cell set.
3. The method of claim 1, wherein the cell information further includes a cell frequency point, and the initiating a registration request to a first cell in a cell set corresponding to the target operator identity includes:
acquiring a cell frequency point set corresponding to the target operator identifier, and performing cell scanning based on the cell frequency point set to obtain a cell set;
and initiating a registration request to a first cell in the cell set.
4. The method of claim 3, wherein initiating the registration request to the first cell in the set of cells comprises:
acquiring signal strength values of all cells in the cell set, and acquiring the maximum signal strength value in the signal strength values of all the cells;
and initiating a registration request to the first cell indicated by the maximum signal strength value.
5. The method of claim 1, wherein the obtaining at least one piece of cell information scanned in a full frequency band comprises:
starting a manual network searching mode, and performing cell scanning in a full-band scanning mode;
and acquiring the scanned information of at least one cell and storing the information of at least one cell.
6. The method of claim 1, wherein the obtaining is prior to a selected target operator identity of the at least one operator identity, further comprising:
presenting the at least one operator identification;
the acquiring a target operator identity selected in the at least one operator identity includes:
and receiving an identification selection instruction input aiming at the at least one operator identification, and acquiring a target operator identification corresponding to the identification selection instruction.
7. An apparatus for cell registration, the apparatus comprising:
a request initiating module, configured to acquire a target operator identifier selected from at least one operator identifier scanned in a full frequency band, and initiate a registration request to a first cell in a cell set corresponding to the target operator identifier;
a cell deleting module, configured to delete a second cell in the cell set based on at least one tracking area identifier scanned by the full band when the registration request response indicates that registration fails and a reason for the failure is that attachment is unavailable, where the second cell and the first cell have a same tracking area identifier;
a cell selection module, configured to select a next cell from the cell set after the second cell is deleted, use the next cell as the first cell, and trigger the request initiation module to initiate a registration request to the first cell in the cell set corresponding to the target operator identifier;
a failure information display module, configured to display registration failure prompt information when a next cell does not exist in the cell set;
the success information display module is used for displaying registration success prompt information when the registration request response indicates that the registration is successful;
the request initiating module includes:
the information scanning unit is used for acquiring at least one cell information scanned by a full frequency band, and the cell information comprises an operator identifier, a tracking area identifier and a cell frequency point;
an identifier selection unit configured to acquire a target operator identifier selected from the at least one operator identifier;
the cell deleting module is specifically configured to:
deleting a second cell in the cell set having the same tracking area identity as the first cell based on the at least one tracking area identity.
8. The apparatus of claim 7, wherein the cell deletion module comprises:
an identifier searching unit, configured to search for a target tracking area identifier that is the same as the tracking area identifier of the first cell from among the at least one tracking area identifier;
and the cell deleting unit is used for deleting a second cell corresponding to the target tracking area identifier in the cell set.
9. The apparatus of claim 7, wherein the cell information further includes cell frequencies, and the request initiating module includes:
a cell scanning unit, configured to obtain a cell frequency point set corresponding to the target operator identifier, and perform cell scanning based on the cell frequency point set to obtain a cell set;
a request initiating unit, configured to initiate a registration request to a first cell in the cell set.
10. The apparatus according to claim 9, wherein the request initiating unit is specifically configured to:
acquiring signal strength values of all cells in the cell set, and acquiring the maximum signal strength value in the signal strength values of all the cells;
and initiating a registration request to the first cell indicated by the maximum signal strength value.
11. The apparatus according to claim 7, wherein the information scanning unit is specifically configured to:
starting a manual network searching mode, and performing cell scanning in a full-band scanning mode;
and acquiring the scanned information of at least one cell and storing the information of at least one cell.
12. The apparatus of claim 7, wherein the request initiation module further comprises:
the identifier display unit is used for displaying the at least one operator identifier;
the identifier selecting unit is specifically configured to:
and receiving an identification selection instruction input aiming at the at least one operator identification, and acquiring a target operator identification corresponding to the identification selection instruction.
13. A computer storage medium, characterized in that it stores a plurality of instructions adapted to be loaded by a processor and to perform the method steps according to any one of claims 1 to 6.
14. An electronic device, comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps of any of claims 1 to 6.
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