CN111194078A - Network registration method, terminal and storage medium - Google Patents
Network registration method, terminal and storage medium Download PDFInfo
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- CN111194078A CN111194078A CN202010044118.XA CN202010044118A CN111194078A CN 111194078 A CN111194078 A CN 111194078A CN 202010044118 A CN202010044118 A CN 202010044118A CN 111194078 A CN111194078 A CN 111194078A
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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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- 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
Abstract
The application discloses a network registration method, a terminal and a storage medium. The method comprises the following steps: the terminal acquires the neighboring cell information of the second cell based on the SIB message of the resident first cell; the terminal registers the second cell according to the adjacent cell information of the second cell; wherein the first cell in which the terminal resides does not support the NSA function.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a network registration method, a terminal, and a storage medium.
Background
When a terminal moves from a resident Long Term Evolution (LTE) network to an area where a Fifth Generation Mobile communication (5G) network exists, in the related art, the terminal cannot rapidly implement 5G network registration.
Disclosure of Invention
In view of this, embodiments of the present application provide a network registration method, a terminal, and a storage medium to at least solve the problem in the related art that when a terminal moves from a camped LTE network to an area where a 5G network exists, 5G network registration cannot be quickly implemented.
The technical scheme of the embodiment of the application is realized as follows:
the embodiment of the application provides a network registration method, which comprises the following steps:
the terminal acquires neighbor cell Information about a second cell based on a System Information Block (SIB) message of a first cell where the terminal resides;
the terminal registers the second cell according to the adjacent cell information of the second cell; wherein the content of the first and second substances,
the first cell in which the terminal resides does not support the NSA function.
In the above scheme, the terminal acquires neighboring cell information about a second cell based on an SIB message of a camped first cell; the terminal registers the second cell according to the neighboring cell information of the second cell, including:
the terminal acquires an SIB message of a resident first cell;
the terminal determines whether the SIB message carries neighbor cell information related to a second cell;
under the condition that the SIB message carries the neighbor cell information about the second cell, the terminal registers the second cell based on the neighbor cell information about the second cell in the SIB message;
and under the condition that the SIB message does not carry the neighbor cell information related to the second cell, the terminal searches for the neighbor cell information related to the second cell through a Background Public Land Mobile Network (BPLMN), and registers the second cell based on the searched neighbor cell information related to the second cell.
In the foregoing solution, when the terminal searches for neighboring cell information about a second cell through BPLMN search, the method includes:
the terminal circularly operates a first timer, and BPLMN searching is carried out once when the timing duration of each operation of the first timer is reached, and the circular operation of the first timer is terminated after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the first timer reach a first set time;
the corresponding timing duration of each time of the first timer is n times of the first set duration; and n is the current running times of the first timer, and is less than or equal to the first set times.
In the foregoing solution, when the terminal searches for neighboring cell information about a second cell through BPLMN search, the method further includes:
when the running times of the first timer reach the first set times, the terminal circularly runs a second timer, and BPLMN search is carried out when the timing duration of each running of the second timer reaches, and the second timer is stopped circularly running after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the second timer reach a second set time;
the corresponding timing duration of each time of the second timer is k times of a second set duration; the k is the current running times of the second timer, and the k is less than or equal to the second set times; the second set duration is greater than the first set duration.
In the above scheme, when the terminal performs BPLMN search, the method includes:
searching a second cell according to a set frequency point searching sequence; wherein the content of the first and second substances,
the set frequency point searching sequence is as follows in sequence:
the frequency points in the first frequency point list, the frequency points in the second frequency point list and the frequency points in the third frequency point list; wherein the content of the first and second substances,
the frequency points in the first frequency point list are frequency points where the terminal resides in history;
the frequency points in the second frequency point list are frequency points with searching priority higher than the first priority;
and the frequency points in the third frequency point list are frequency points in a frequency band with a searching priority higher than the second priority.
In the foregoing solution, the registering, by the terminal, the second cell based on the searched neighboring cell information about the second cell includes:
determining a registration sequence for the searched second cell based on the PLMN type of the cell;
initiating registration to the corresponding second cells in sequence according to the registration sequence until the second cells are successfully registered; wherein the content of the first and second substances,
the registration sequence is as follows in sequence: a Home Public Land Mobile Network (HPLMN) of an independent Network (SA), a HPLMN of a Non-independent Network (NSA), and a roaming peer-to-peer Public Land Mobile Network (EPLMN) of the SA.
In the foregoing solution, when the terminal registers with the second cell, the method includes:
aiming at a second cell which needs to initiate registration currently, the terminal judges whether the signal quality of the second cell is higher than a set threshold;
and under the condition that the signal quality of the second cell is higher than a set threshold, the terminal initiates registration to the second cell.
In the foregoing solution, the determining, by the terminal, whether the signal quality of the second cell is higher than a set threshold includes:
the terminal determines the PLMN type of the second cell;
the terminal judges whether the signal quality of the second cell is higher than a set threshold corresponding to the PLMN type of the second cell; wherein the content of the first and second substances,
the setting threshold corresponding to the EPLMN is higher than the setting threshold corresponding to the HPLMN.
An embodiment of the present application further provides a terminal, including:
an obtaining unit, configured to obtain neighboring cell information about a second cell based on an SIB message of a first cell that resides in or through BPLMN search;
a registration unit configured to register the second cell according to neighboring cell information about the second cell; wherein the content of the first and second substances,
the first cell in which the terminal resides does not support the NSA function.
An application embodiment further provides a terminal, including: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of any of the above methods when running the computer program.
Embodiments of the present application also provide a storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of any one of the above methods.
Based on the embodiment of the application, when the terminal resides in the LTE cell, the neighboring cell information about the 5G cell covered at the current position is acquired based on the SIB message of the LTE cell, and the 5G cell is registered according to the neighboring cell information about the 5G cell.
Drawings
Fig. 1 is a schematic flow chart illustrating an implementation of a network registration method according to an embodiment of the present application;
fig. 2 is a schematic flow chart illustrating an implementation of a network registration method according to another embodiment of the present application;
fig. 3 is a schematic flow chart illustrating an implementation of registering a 5G cell by a network registration method according to an embodiment of the present application;
fig. 4 is a schematic flow chart illustrating an implementation of a network registration method according to the present application embodiment;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 6 is a schematic diagram of a hardware composition structure of a terminal according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and specific embodiments.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.
In addition, in the embodiments of the present application, "first", "second", and the like are used for distinguishing similar objects, and are not necessarily used for describing a specific order or a sequential order. For convenience of description, in the following embodiments, an LTE cell is used to represent a "first cell", and a 5G cell is used to represent a "second cell", which is described, and it is understood that in the practical application process of the embodiment of the present application, the "first cell" is not limited to the LTE cell, and the "second cell" is not limited to the 5G cell.
Currently, a 5G network architecture includes two modes, namely an SA mode and an NSA mode, where the SA mode is to newly build a 5G network, including a newly built base station, a backhaul link, and a core network, and the NSA mode is to use an existing infrastructure of a 4G network to deploy the 5G network, and in the NSA networking mode, a 5G carrier only carries user data, and a control signaling of the 5G carrier is still transmitted through the 4G network. Under the networking mode of SA, the roaming scheme of core network is adopted in the roaming of 5G different network, and includes three kinds of services of voice, data and short message, and the roaming terminal can access the 5G cell of the visit network and provides service processing function via the core network intercommunication mode. The service adopts a Home Routed mode, the voice service is processed by an IP Multimedia Subsystem (IMS) of the HPLMN, the short message service is transmitted and received by a short message center of the HPLMN, and the data service is accessed to the Internet by the HPLMN.
For the heterogeneous network roaming, the related art is to perform the Inter Radio Access Technology (Inter Radio Access Technology) according to the third generation partnership Project (3 GPP), however, in the 5G heterogeneous network roaming scenario under the SA architecture, when the terminal moves from the LTE cell of the camped HPLMN to an area where there is 5G cell coverage, including the 5G cell of the HPLMN and the area covered by the 5G cell of the roaming (roaming) EPLMN, there is no related handover scheme in the related art.
Based on this, in various embodiments of the present application, when a terminal resides in an LTE cell, based on an SIB message of the LTE cell, neighboring cell information about a 5G cell that is covered at a current location is acquired, and the 5G cell is registered according to the neighboring cell information about the 5G cell, based on which, the terminal can quickly complete handover from the resident LTE cell to the 5G cell, and the implementation of the quick handover further saves standby power consumption of the terminal and ensures service performance of the terminal.
The present application will be described in further detail with reference to the following drawings and specific embodiments.
Fig. 1 shows an implementation process of a network registration method provided in an embodiment of the present application, where the method includes:
s101: and the terminal acquires the neighbor cell information of the second cell based on the SIB message of the resident first cell.
S102: the terminal registers the second cell according to the adjacent cell information of the second cell; wherein the content of the first and second substances,
the first cell in which the terminal resides does not support the NSA function.
Here, the terminal may receive an SIB message of the currently camped LTE cell, and in practical application, when the value of the upper layer indication-r15 field upper layer indication-r15 field in the SIB message is true, it is determined that the LTE cell where the terminal is camped is an anchor cell in the NSA networking mode, or the terminal may distinguish whether the neighbor cell information is neighbor cell information about a 5G cell according to a frequency point of the neighbor cell information carried in the SIB message.
It should be noted that, in various embodiments of the present application, the LTE cell in which the terminal resides does not support the NSA function, and when the LTE cell in which the terminal resides supports the NSA function, the terminal only needs to activate the connection with the 5G cell in the LTE cell in which the terminal resides through connection reconfiguration.
In an embodiment, as shown in fig. 2, the terminal acquires neighbor cell information about a second cell based on a SIB message of a camped first cell; the terminal registers the second cell according to the neighboring cell information of the second cell, including:
s201: the terminal acquires the SIB message of the first resident cell.
S202: and the terminal determines whether the SIB message carries neighbor cell information related to a second cell.
Here, the terminal may determine that the LTE cell in which the terminal resides is an anchor cell in the NSA networking mode when the value of the upper layer indication-r15 field in the SIB message is true, or the terminal may distinguish whether the neighboring cell information is neighboring cell information about a 5G cell according to a frequency point of the neighboring cell information carried in the SIB message.
S203: and under the condition that the SIB message carries the neighbor cell information about the second cell, the terminal registers the second cell based on the neighbor cell information about the second cell in the SIB message.
And when the terminal determines that the SIB message carries the neighbor cell information about the 5G cell, the terminal registers the 5G cell based on the neighbor cell information.
In practical application, if the neighboring cell information indicates the frequency point information of the 5G cell in the SA networking mode, no matter whether the 5G cell is the 5G cell of the HPLMN or the 5G cell of the roaming EPLMN for the terminal, the terminal searches the corresponding 5G cell according to the information such as the frequency point, the PLMN type, the priority and the like indicated in the neighboring cell information, and initiates registration to the searched 5G cell. In this way, the terminal can quickly acquire the neighbor cell information about the 5G cell based on the SIB message of the camped LTE cell, and quickly implement registration of the 5G cell on the basis.
In addition, if the terminal determines that the 5G cell is the 5G cell in the NSA networking mode according to the neighboring cell information, the terminal may register the LTE cell corresponding to the NSA networking mode first by handover, cell reselection, or re-initiating registration to the LTE anchor, and then activate the connection with the corresponding NSA 5G cell in the terminal.
S204: and under the condition that the SIB message does not carry the neighbor cell information about the second cell, the terminal searches the neighbor cell information about the second cell through BPLMN search, and registers the second cell based on the searched neighbor cell information about the 5G cell.
In the case that the SIB message does not carry neighbor cell information about the 5G cell, the terminal searches for a neighboring available 5G cell through BPLMN search, thereby attempting to acquire neighbor cell information about the 5G cell.
In order to save the power consumption of the terminal, the time for starting the BPLMN search by the terminal is determined by the timer, and the terminal is enabled to start the BPLMN search once every time the timing duration of the timer is reached, so that the condition that the terminal always processes the BPLMN search is avoided.
In one embodiment, when the terminal searches for neighbor cell information about a second cell through a BPLMN search, the method includes:
the terminal circularly operates a first timer, and BPLMN searching is carried out once when the timing duration of each operation of the first timer is reached, and the circular operation of the first timer is terminated after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the first timer reach a first set time;
the corresponding timing duration of each time of the first timer is n times of the first set duration; and n is the current running times of the first timer, and is less than or equal to the first set times.
In practical applications, the first timer is first run with the first set duration of T1, and T1 is a smaller duration, for example, T1 is 2 × 60s, so that when the UE moves from an area with only LTE cells to an area with 5G cells, the UE can search for available 5G cells and initiate registration as soon as possible. When the first timer runs for the first time, the corresponding timing duration is T1, when the first timer runs for the second time, the corresponding timing duration is 2 × T1, when the first timer runs for the third time, the corresponding timing duration is 3 × T1, and the first timer runs in a circulating mode. In the process of the circulating operation of the first timer, when the timing duration corresponding to the first timer at present reaches, the terminal initiates BPLMN search once until the terminal successfully registers the 5G cell based on the BPLMN search, or when the operation frequency of the first timer reaches a first set frequency, the circulating operation of the first timer is terminated, and the operation frequency and the timing of the first timer are cleared.
In practical applications, the first set time duration T1 and the first set times corresponding to the first timer may be configured in advance at the terminal.
In one embodiment, when the terminal searches for the neighbor cell information about the second cell through the BPLMN search, the method further includes:
when the running times of the first timer reach the first set times, the terminal circularly runs a second timer, and BPLMN search is carried out when the timing duration of each running of the second timer reaches, and the second timer is stopped circularly running after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the second timer reach a second set time;
the corresponding timing duration of each time of the second timer is k times of a second set duration; the k is the current running times of the second timer, and the k is less than or equal to the second set times; the second set duration is greater than the first set duration.
In practical applications, when the operation frequency of the first timer reaches the first set frequency, the first timer is turned off, and the second timer is operated, where the second set time period is T2, and the second set time period is longer than the first set time period, for example, T2 is 60 × 60s, so that it is ensured that the frequency of performing BPLMN search is reduced when the terminal performs multiple BPLMN searches but does not successfully register a 5G cell, and power consumption increase caused by excessive BPLMN searches at the terminal is avoided. And when the second timer runs for the first time, the corresponding timing duration is T2, when the second timer runs for the second time, the corresponding timing duration is 2 × T2, when the second timer runs for the third time, the corresponding timing duration is 3 × T2, and the second timer is operated in a circulating mode. Similarly, in the process of the circulating operation of the second timer, when the timing duration corresponding to the second timer at present reaches, the terminal initiates a BPLMN search until the terminal successfully registers a 5G cell based on the BPLMN search, or when the operation frequency of the second timer reaches a second set frequency, the circulating operation of the second timer is terminated, and the operation frequency and the timing of the second timer are cleared.
In practical applications, the first set time length T1 corresponding to the first timer, the first set number of times, and the second set time length T2 and the second set number of times corresponding to the second timer may be configured in advance at the terminal.
In an embodiment, when the terminal performs a BPLMN search, the method includes:
searching a second cell according to a set frequency point searching sequence; wherein the content of the first and second substances,
the set frequency point searching frequency point sequence is as follows:
the frequency points in the first frequency point list, the frequency points in the second frequency point list and the frequency points in the third frequency point list; wherein the content of the first and second substances,
the frequency points in the first frequency point list are frequency points where the terminal resides in history;
the frequency points in the second frequency point list are frequency points with searching priority higher than the first priority;
and the frequency points in the third frequency point list are frequency points in a frequency band with a searching priority higher than the second priority.
In practical application, parameters in lists such as acq _ db, pref _ freq _ list, pref _ band _ list and the like can be configured in advance in a terminal, wherein acq _ db, pref _ freq _ list and pref _ band _ list respectively correspond to a history resident frequency point, a preferred frequency point list and a preferred frequency band list. Here, the historical camping frequency point is a frequency point of a 5G cell in which the terminal has camped previously, the preferred frequency point is a frequency point which needs to be scanned preferentially when the terminal performs frequency point search, and the preferred frequency band is a frequency band which needs to be scanned preferentially when the terminal performs frequency point search.
Through the limitation of the frequency point searching sequence, the terminal can be ensured to search the frequency points of the available 5G cell in advance with a higher probability, and the success rate of registering the 5G cell by the terminal is finally improved.
After searching and searching the frequency points of the available 5G cells through the BPLMN, the terminal initiates registration to the 5G cells one by one until successfully registering to one 5G cell, and at the moment, the frequency points of the successfully registered 5G cells are written into acq _ db, namely, into the historical resident frequency point list. In one embodiment, the terminal registers the second cell based on the searched neighbor cell information about the second cell, including:
determining a registration sequence for the searched second cell based on the PLMN type of the cell;
initiating registration to the corresponding second cells in sequence according to the registration sequence until the second cells are successfully registered; wherein the content of the first and second substances,
for a 5G cell, the registration sequence is as follows: the HPLMN of the SA, the HPLMN of the NSA, and the roaming EPLMN of the SA.
In practical application, because the 5G network adopts a new PLMN in the SA networking mode, so as to be different from the existing 4G network, 3G network and 2G network, each operator sets the PLMN of these newly added 5G networks as the EPLMN. Here, in order to ensure that the terminal can camp on the 5G network as much as possible after registering in the 5G cell, and considering that the terminal is required to camp on the 5G network of the HPLMN as much as possible, here, the camping priorities of the terminal on the 5G cell are sequentially: the HPLMN of the SA, the HPLMN of the NSA and the roaming EPLMN of the SA, and meanwhile, the residence priority of the terminal to all networks is as follows in sequence: HPLMN of SA, HPLMN of NSA and roaming EPLMN, 4G, 3G and 2G of SA.
Considering the problem of incomplete layout in the initial stage of 5G network construction and the problem of service continuity caused by heterogeneous network roaming, in order to ensure the operation performance of the terminal and maintain the function operation of the terminal, after the terminal acquires the frequency points of the available 5G cells through SIB message or BPLMN search, the signal quality of the 5G cells needs to be judged, and for the 5G cells with too poor signal quality, the terminal does not initiate a registration action. Based on this, in one embodiment, as shown in fig. 3, when the terminal registers the second cell, the method includes:
s301: and aiming at a second cell which needs to initiate registration currently, the terminal judges whether the signal quality of the second cell is higher than a set threshold.
S302: and under the condition that the signal quality of the second cell is higher than a set threshold, the terminal initiates registration to the second cell.
Here, the corresponding signal quality threshold is configured in advance for the second cell.
In one embodiment, the determining, by the terminal, whether the signal quality of the second cell is higher than a set threshold includes:
the terminal determines the PLMN type of the second cell;
the terminal judges whether the signal quality of the second cell is higher than a set threshold corresponding to the PLMN type of the second cell; wherein the content of the first and second substances,
the setting threshold corresponding to the EPLMN is higher than the setting threshold corresponding to the HPLMN.
Generally, signal quality may be represented by any type of parameter:
reference Signal Received Power (RSRP);
reference Signal Received Quality (RSRQ).
Therefore, for the HPLMN type 5G cell in the SA networking mode, the corresponding set threshold RSRP may be presetSA-HPLMNOr RSRQSA-HPLMNFor the 5G cell of EPLMN type in SA networking mode, the corresponding set threshold RSRP can be presetSA-roaming EPLMNOr RSRQSA-RoamingEPLMN. Here, in the SA networking mode, for the case of the HPLMN and the EPLMN, the signal quality threshold corresponding to the EPLMN is set to be higher than the signal quality threshold corresponding to the HPLMN, and this setting is to ensure the operation performance of the terminal and maintain the function operation of the terminal on the principle that the terminal resides on the HPLMN as much as possible, so that the terminal is made to initiate registration to the 5G cell of the EPLMN only when the signal quality of the EPLMN is ensured to be high. For the NSA networking mode, the signal quality of the anchor LTE cell of the 5G cell also needs to meet the corresponding set threshold, the terminal is allowed to initiate registration to the anchor LTE cell, and finally the terminal activates the connection with the corresponding NSA 5G cell, so the threshold RSRPN corresponding to the anchor LTE cell of the 5G cell can be presetSA-HPLMNOr RSRQNSA-HPLMN。
In the embodiment of the application, when a terminal resides in a first cell, based on an SIB message of the first cell, neighboring cell information about a second cell covered at a current position is acquired, and the second cell is registered according to the neighboring cell information about the second cell.
Fig. 4 is a schematic diagram illustrating a flow of implementing network registration according to an embodiment of the present invention, and fig. 4 is a flowchart:
s401: the terminal resides in the LTE cell of the HPLMN.
S402: the terminal determines whether the SIB message of the LTE cell includes the neighbor cell information of the 5G cell, if so, executes S403, otherwise, executes S404.
S403: and initiating registration to the corresponding 5G cell according to the frequency point in the neighbor cell information, determining whether the RSRP or the RSRQ corresponding to the 5G cell is greater than a corresponding set threshold, and if so, registering the 5G cell.
S404: a first timer is started.
S405: the timing duration of the first timer is reached.
S406: and starting BPLMN search, and sequentially searching the 5G cells according to the set frequency point search sequence.
S407: and judging whether an available 5G cell is searched, if so, executing S414, otherwise, executing S408.
S408: and judging whether the current running times of the first timer is greater than a first set time, if not, returning to the step S404, if the first set time is increased by 1, increasing the timing time by a first set time, and if the first set time is greater than the first set time, executing the step S409.
S409: a second timer is started.
S410: the timing duration of the second timer is reached.
S411: and starting BPLMN search, and sequentially searching the 5G cells according to the set frequency point search sequence.
S412: and judging whether an available 5G cell is searched, if so, executing S414, otherwise, executing S413.
S413: and judging whether the current running times of the second timer is greater than a second set time, if not, returning to the step S409, if the second set time is increased by 1, adding a second set time for the timing time, and if the second set time is greater than the second set time, terminating the execution.
S414: and initiating registration to the searched available 5G cells in sequence according to the set registration sequence until the registration is successful.
In order to implement the network registration method according to the embodiment of the present application, an embodiment of the present application further provides a terminal, and as shown in fig. 5, the terminal includes:
a first obtaining unit 51, configured to obtain neighboring cell information about a second cell based on an SIB message of a camped first cell;
a first registration unit 52, configured to register the second cell according to the neighboring cell information about the second cell; wherein the first cell in which the terminal resides does not support the NSA function.
In one embodiment, the terminal includes:
a second obtaining unit, configured to obtain an SIB message of the camped first cell;
a determining unit, configured to determine whether the SIB message carries neighboring cell information related to a second cell;
a second registration unit, configured to register the second cell based on the neighboring cell information about the second cell in the SIB message when the SIB message carries the neighboring cell information about the second cell;
and a third registration unit, configured to search, through BPLMN search, for neighboring cell information about the second cell when the SIB message does not carry neighboring cell information about the second cell, and register the second cell based on the searched neighboring cell information about the second cell.
In an embodiment, when the third registration unit searches for the neighboring cell information about the second cell through a BPLMN search, the third registration unit is further configured to:
circularly operating a first timer, and carrying out BPLMN search once when the timing duration of each operation of the first timer is reached, and stopping circularly operating the first timer after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the first timer reach a first set time;
the corresponding timing duration of each time of the first timer is n times of the first set duration; and n is the current running times of the first timer, and is less than or equal to the first set times.
In an embodiment, when the third registration unit searches for the neighboring cell information about the second cell through a BPLMN search, the third registration unit is further configured to:
when the running times of the first timer reach the first set times, circularly running a second timer, and performing BPLMN search once when the timing duration of each running of the second timer reaches, and stopping circularly running the second timer after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the second timer reach a second set time;
the corresponding timing duration of each time of the second timer is k times of a second set duration; the k is the current running times of the second timer, and the k is less than or equal to the second set times; the second set duration is greater than the first set duration.
In an embodiment, when the third registration unit performs the BPLMN search, the third registration unit is further configured to:
searching a second cell according to a set frequency point searching sequence; wherein the content of the first and second substances,
the set frequency point searching sequence is as follows in sequence:
the frequency points in the first frequency point list, the frequency points in the second frequency point list and the frequency points in the third frequency point list; wherein the content of the first and second substances,
the frequency points in the first frequency point list are frequency points where the terminal resides in history;
the frequency points in the second frequency point list are frequency points with searching priority higher than the first priority;
and the frequency points in the third frequency point list are frequency points in a frequency band with a searching priority higher than the second priority.
In an embodiment, when the third registration unit performs the BPLMN search, the third registration unit is further configured to:
determining a registration sequence for the searched second cell based on the PLMN type of the cell;
initiating registration to the corresponding second cells in sequence according to the registration sequence until the second cells are successfully registered; wherein the content of the first and second substances,
the registration sequence is as follows in sequence: HPLMN of SA, HPLMN of NSA and EPLMN of SA.
In an embodiment, the first registration unit 52 is configured to:
aiming at a second cell which needs to initiate registration currently, the terminal judges whether the signal quality of the second cell is higher than a set threshold;
and under the condition that the signal quality of the second cell is higher than a set threshold, the terminal initiates registration to the second cell.
In an embodiment, the determining, by the first registration unit 52, whether the signal quality of the second cell is higher than a set threshold includes:
the terminal determines the PLMN type of the second cell;
the terminal judges whether the signal quality of the second cell is higher than a set threshold corresponding to the PLMN type of the second cell; wherein the content of the first and second substances,
the setting threshold corresponding to the EPLMN is higher than the setting threshold corresponding to the HPLMN.
In practical applications, the first obtaining unit 51, the first registering unit 52, the second obtaining unit, the second registering unit and the third registering unit may be implemented by a processor and a communication interface in the terminal. Of course, the processor needs to run the program stored in the memory to realize the functions of the above-described program modules.
It should be noted that, when the terminal provided in the embodiment of fig. 5 performs network registration, the division of each program module is merely used as an example, and in practical applications, the processing distribution may be completed by different program modules according to needs, that is, the internal structure of the device may be divided into different program modules to complete all or part of the processing described above. In addition, the terminal provided by the above embodiment and the network registration embodiment belong to the same concept, and the specific implementation process thereof is detailed in the method embodiment and will not be described herein again.
Based on the hardware implementation of the program module, in order to implement the method of the embodiment of the present application, the embodiment of the present application further provides a terminal. Fig. 6 is a schematic diagram of a hardware composition structure of a terminal according to an embodiment of the present application, and as shown in fig. 6, the terminal includes:
a communication interface 1 capable of information interaction with other devices such as network devices and the like;
and the processor 2 is connected with the communication interface 1 to realize information interaction with other equipment, and is used for executing the method provided by one or more technical schemes when running a computer program. And the computer program is stored on the memory 3.
In practice, of course, the various components in the terminal are coupled together by means of the bus system 4. It will be appreciated that the bus system 4 is used to enable connection communication between these components. The bus system 4 comprises, in addition to a data bus, a power bus, a control bus and a status signal bus. For the sake of clarity, however, the various buses are labeled as bus system 4 in fig. 6.
The memory 3 in the embodiment of the present application is used to store various types of data to support operations in the camera. Examples of such data include: any computer program for operating on a camera head.
It will be appreciated that the memory 3 may be either volatile memory or nonvolatile memory, and may include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memory 3 described in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
The method disclosed in the above embodiment of the present application may be applied to the processor 2, or implemented by the processor 2. The processor 2 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 2. The processor 2 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 2 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 3, and the processor 2 reads the program in the memory 3 and in combination with its hardware performs the steps of the aforementioned method.
When the processor 2 executes the program, the corresponding processes in the methods according to the embodiments of the present application are realized, and for brevity, are not described herein again.
In an exemplary embodiment, the present application further provides a storage medium, i.e., a computer storage medium, specifically a computer readable storage medium, for example, including a memory storing a computer program, which is executable by a processor to perform the steps of the foregoing method. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus, terminal and method may be implemented in other manners. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
Alternatively, the integrated units described above in the present application may be stored in a computer-readable storage medium if they are implemented in the form of software functional modules and sold or used as independent products. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially implemented or portions thereof that contribute to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling an electronic device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (11)
1. A network registration method, comprising:
the terminal acquires neighbor cell information about a second cell based on a System Information Block (SIB) message of a resident first cell;
the terminal registers the second cell according to the adjacent cell information of the second cell; wherein the content of the first and second substances,
the first cell in which the terminal resides does not support the NSA function.
2. The method of claim 1, wherein the terminal acquires neighbor cell information about a second cell based on a SIB message of a camped first cell; the terminal registers the second cell according to the neighboring cell information of the second cell, including:
the terminal acquires an SIB message of a resident first cell;
the terminal determines whether the SIB message carries neighbor cell information related to a second cell;
under the condition that the SIB message carries the neighbor cell information about the second cell, the terminal registers the second cell based on the neighbor cell information about the second cell in the SIB message;
and under the condition that the SIB message does not carry the neighbor cell information about the second cell, the terminal searches for the neighbor cell information about the second cell through Background Public Land Mobile Network (BPLMN) search, and registers the second cell based on the searched neighbor cell information about the second cell.
3. The method as claimed in claim 2, wherein when the terminal searches for the neighbor information about the second cell through the BPLMN search, the method comprises:
the terminal circularly operates a first timer, and BPLMN searching is carried out once when the timing duration of each operation of the first timer is reached, and the circular operation of the first timer is terminated after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the first timer reach a first set time;
the corresponding timing duration of each time of the first timer is n times of the first set duration; and n is the current running times of the first timer, and is less than or equal to the first set times.
4. The method as claimed in claim 3, wherein when the terminal searches for the neighbor information about the second cell through the BPLMN search, the method further comprises:
when the running times of the first timer reach the first set times, the terminal circularly runs a second timer, and BPLMN search is carried out when the timing duration of each running of the second timer reaches, and the second timer is stopped circularly running after any one of the following conditions is met:
the terminal successfully registers the second cell;
the running times of the second timer reach a second set time;
the corresponding timing duration of each time of the second timer is k times of a second set duration; the k is the current running times of the second timer, and the k is less than or equal to the second set times; the second set duration is greater than the first set duration.
5. The method according to any one of claims 2 to 4, wherein when the terminal performs BPLMN search, the method comprises:
searching a second cell according to a set frequency point searching sequence; wherein the content of the first and second substances,
the set frequency point searching sequence is as follows in sequence:
the frequency points in the first frequency point list, the frequency points in the second frequency point list and the frequency points in the third frequency point list; wherein the content of the first and second substances,
the frequency points in the first frequency point list are frequency points where the terminal resides in history;
the frequency points in the second frequency point list are frequency points with searching priority higher than the first priority;
and the frequency points in the third frequency point list are frequency points in a frequency band with a searching priority higher than the second priority.
6. The method according to any of claims 2 to 4, wherein the terminal registers the second cell based on the searched neighbor cell information about the second cell, comprising:
determining a registration order for the searched second cell based on a Public Land Mobile Network (PLMN) type of the cell;
initiating registration to the corresponding second cells in sequence according to the registration sequence until the second cells are successfully registered; wherein the content of the first and second substances,
the registration sequence is as follows in sequence: a home public land mobile network HPLMN of the independent networking SA, a HPLMN of the non-independent networking NSA and a roaming peer public land mobile network EPLMN of the SA.
7. The method according to claim 1, wherein when the terminal registers with the second cell, the method comprises:
aiming at a second cell which needs to initiate registration currently, the terminal judges whether the signal quality of the second cell is higher than a set threshold;
and under the condition that the signal quality of the second cell is higher than a set threshold, the terminal initiates registration to the second cell.
8. The method of claim 7, wherein the determining, by the terminal, whether the signal quality of the second cell is higher than a set threshold comprises:
the terminal determines the PLMN type of the second cell;
the terminal judges whether the signal quality of the second cell is higher than a set threshold corresponding to the PLMN type of the second cell; wherein the content of the first and second substances,
the setting threshold corresponding to the EPLMN is higher than the setting threshold corresponding to the HPLMN.
9. A terminal, comprising:
an obtaining unit, configured to obtain neighboring cell information about a second cell based on an SIB message of a camped first cell;
a registration unit configured to register the second cell according to neighboring cell information about the second cell; wherein the content of the first and second substances,
the first cell in which the terminal resides does not support the NSA function.
10. A terminal, comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 8 when running the computer program.
11. A storage medium having a computer program stored thereon, the computer program, when being executed by a processor, performing the steps of the method of any one of claims 1 to 8.
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