CN111698744A - Method for terminal to quickly return to preferred network and apparatus using the same - Google Patents
Method for terminal to quickly return to preferred network and apparatus using the same Download PDFInfo
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- CN111698744A CN111698744A CN202010581741.9A CN202010581741A CN111698744A CN 111698744 A CN111698744 A CN 111698744A CN 202010581741 A CN202010581741 A CN 202010581741A CN 111698744 A CN111698744 A CN 111698744A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
Abstract
A method for a terminal to quickly return to a preferred network and an apparatus using the same are provided. The method comprises the steps that in response to the fact that the terminal is in a network-free state, the terminal conducts initial search on a network; determining whether the initially searched network is a preferred network; searching the preferred network in response to determining that the network initially searched by the terminal is not the preferred network; when the preferred network is searched, the terminal is resided in the searched preferred network; and when the preferred network is not searched, the terminal is resided in the initially searched network, wherein the preferred network is determined according to a preset rule.
Description
Technical Field
The present invention relates to a method of returning to a network and an apparatus using the same, and more particularly, to a method for a terminal to quickly return to a preferred network and an apparatus using the same.
Background
For the problem of network deployment shadow area commonly existing in the existing network, in the process that a terminal (e.g. a mobile phone) enters a non-signal coverage area (such as a garage, a signal shadow area and a tunnel) and then returns to a signal coverage area, the terminal tries to recover the network after dropping the network, for example, the terminal can recover the network by time division mode cyclic full frequency scanning (4G- >3G- >2G- >4G …), when the terminal enters a signal area (e.g. an area where 4G, 3G and 2G signals exist), if the terminal just searches for the 3G or 2G network, the terminal in the prior art can register the 3G or 2G network and establish data service transmission until a data service link is released (the process may take several minutes of unequal time), then broadcasts information by receiving a neighboring cell, if a 4G network meeting the S criterion is measured, reselecting to the 4G network, or recovering to the 4G network only when the terminal has 2G to 4G switching capability and 3G to 4G switching capability; if the proper 4G network is not measured, the service is continued under the original network (for example, 3G or 2G network).
In this process, the terminal may not be able to quickly return to a 4G or 5G network, for example, where data throughput is high and latency is low. Therefore, there is a need for a method and apparatus that enables a terminal to quickly camp on a more optimal network (e.g., a 4G or 5G network) when moving from a no-signal area to a signal area.
Disclosure of Invention
An exemplary embodiment of the present invention is to provide a method for a terminal to quickly return to a preferred network and an apparatus using the same, which can enable the terminal to quickly camp on a network with higher data throughput and lower latency when entering a signal zone from a signal-free zone.
According to an aspect of the present invention, there is provided a method for a terminal to quickly return to a preferred network, the method including: responding to the condition that the terminal is in a network-free state, and initially searching a network by the terminal; determining whether the initially searched network is a preferred network; searching the preferred network in response to determining that the network initially searched by the terminal is not the preferred network; when the preferred network is searched, the terminal is resided in the searched preferred network; and when the preferred network is not searched, the terminal is resided in the initially searched network, wherein the preferred network is determined according to a preset rule.
Optionally, the step of performing, by the terminal, an initial search for the network includes: the network is initially searched according to a preset search rule, and/or the terminal is provided with a communication card or a plurality of communication cards,
and/or, preferably, the network comprises one or more networks, and/or, the method further comprises: after the terminal resides in the initially searched network, determining whether to search for a preferred network according to the service type processed by the terminal through the initially searched network, and/or searching for a preferred network comprises the following steps: and searching only the preset frequency points of the preferred network.
Optionally, the preset search rule is one of the following search rules: the method comprises the following steps of searching for a network at regular time, searching for a network at irregular time, searching for a network according to a default network searching sequence, and searching for a network according to a triggering operation of a user, and/or the network-free state comprises that at least one communication card in communication cards installed in a terminal is in a network-free state, and/or the step of determining whether the initially searched network is a preferred network comprises the following steps: determining whether the initially searched network is the preferred network by determining whether a network with a higher priority than the initially searched network exists in the preferred network list or not, or determining whether the initially searched network is the preferred network by determining whether a network with a higher priority than the initially searched network exists in the preset preferred network or not, and/or the part of the preset frequency points comprises frequency points where the terminal successfully resides.
Optionally, the step of searching for a preferred network comprises: in response to determining that there is a network in the preferred network list having a priority higher than the priority of the initially searched network, searching for a network in the preferred network list having a priority higher than the priority of the initially searched network by priority.
Optionally, the list of preferred networks is one of the following list: a terminal default preferred network list, a preferred network list acquired from an external device, and a preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device.
Alternatively, the preferred network list acquired from the external device is updated in real time by the external device and transmitted to the terminal.
Optionally, the method further comprises: when the terminal receives an updated preferred network list corresponding to a communication card installed in the terminal from an external device, and at least one network with the priority higher than that of a network corresponding to the communication card currently accessed by the terminal exists in the received updated preferred network list and a default preferred network list of the terminal, determining whether the terminal is in an idle state aiming at the network corresponding to the communication card, and when the terminal is determined to be in the idle state aiming at the network corresponding to the communication card, searching the at least one network with the priority higher than that of the network corresponding to the communication card by the terminal according to the priority; in response to searching for one of the at least one network having a higher priority than the network corresponding to the communication card, accessing the terminal to the one of the at least one network having a higher priority than the network corresponding to the communication card, and/or obtaining a preferred network list determined based on a preferred network list by default of the terminal and a preferred network list acquired from an external device by: the preferred network list is obtained by prioritizing networks common to the default preferred network list of the terminal and the preferred network list acquired from the external device.
According to another aspect of the present invention, there is provided an apparatus for a terminal to quickly return to a preferred network, the apparatus comprising: a search unit; a control unit configured to: the method comprises the steps of controlling a searching unit to initially search a network in response to the terminal being in a no-network state, determining whether the initially searched network is a preferred network, controlling the searching unit to search the preferred network in response to the determination that the initially searched network is not the preferred network, residing the terminal in the searched preferred network when the preferred network is searched, and residing the terminal in the initially searched network when the preferred network is not searched, wherein the preferred network is determined according to a preset rule.
Optionally, the control unit is configured to: the control search unit is used for carrying out initial search on the network according to preset search rules, and/or the terminal is provided with one communication card or a plurality of communication cards, and/or the preferred network comprises one or more networks, and/or the control unit is further configured to: after the terminal resides in the initially searched network, determining whether to search for a preferred network according to a service type processed by the terminal through the initially searched network, and/or the control unit is configured to: and controlling the searching unit to search only the preset frequency points of the preferred network.
Optionally, the preset search rule is one of the following search rules: the method comprises the following steps of searching for a network at regular time, searching for a network at irregular time, searching for a network according to a default network searching sequence, and searching for a network according to a triggering operation of a user, and/or the network-free state comprises that at least one communication card in communication cards installed in a terminal is in a network-free state, and/or a control unit is configured to: determining whether the initially searched network is the preferred network by determining whether a network with a higher priority than the initially searched network exists in the preferred network list or not, or determining whether the initially searched network is the preferred network by determining whether a network with a higher priority than the initially searched network exists in the preset preferred network or not, and/or the part of the preset frequency points comprises frequency points where the terminal successfully resides.
Optionally, the control unit is configured to: in response to determining that there is a network in the preferred network list having a priority higher than the priority of the initially searched network, searching for a network in the preferred network list having a priority higher than the priority of the initially searched network by priority.
Optionally, the list of preferred networks is one of the following list: a terminal default preferred network list, a preferred network list acquired from an external device, and a preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device.
Alternatively, the preferred network list acquired from the external device is updated in real time by the external device and transmitted to the terminal.
Optionally, the control unit is further configured to: when the terminal receives an updated preferred network list corresponding to a communication card installed in the terminal from an external device, and at least one network with the priority higher than that of a network corresponding to the communication card currently accessed by the terminal exists in the received updated preferred network list and a default preferred network list of the terminal, determining whether the terminal is in an idle state aiming at the network corresponding to the communication card, and searching the at least one network with the priority higher than that of the network corresponding to the communication card according to the priority when the terminal is determined to be in the idle state aiming at the network corresponding to the communication card; in response to searching for one of the at least one network having a higher priority than the network corresponding to the communication card, accessing the terminal to the one of the at least one network having a higher priority than the network corresponding to the communication card, and/or obtaining a preferred network list determined based on a preferred network list by default of the terminal and a preferred network list acquired from an external device by: the preferred network list is obtained by prioritizing networks common to the default preferred network list of the terminal and the preferred network list acquired from the external device.
According to another aspect of the invention, there is provided a computer readable storage medium, wherein a computer program is stored thereon, which when executed implements the method as described above.
According to another aspect of the present invention, there is provided an apparatus for a terminal to quickly return to a preferred network, the apparatus comprising: a processor; a memory storing a computer program which, when executed by the processor, implements the method as described above.
Drawings
The above and other objects and features of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate, by way of example, an example in which:
fig. 1 is a diagram illustrating an example of a terminal recovering a network when a signal area is entered from a no-signal area in the related art;
fig. 2 shows an example of recovering a network when a terminal enters a signal zone from a no-signal zone;
fig. 3 shows a flow diagram of a method for a terminal to quickly return to a preferred network according to an embodiment of the present disclosure;
fig. 4 is a diagram of an example of a preferred network list determined based on a preferred network list by default of a terminal and a preferred network list acquired from an external device;
fig. 5 is a diagram illustrating an example in which a terminal recovers a network according to an embodiment of the present disclosure;
FIG. 6 is a diagram illustrating when a 4G, 3G or 2G network registers; and
fig. 7 is a block diagram illustrating an apparatus for a terminal to quickly return to a preferred network according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments are described below in order to explain the present invention by referring to the figures. It should be understood that the method for the terminal to quickly return to the preferred network according to the embodiment of the present disclosure may be executed on an electronic device such as a mobile phone, a tablet computer, a PC, and the like, that is, the terminal may be an electronic device such as a mobile phone, a tablet computer, a PC, and the like, but those skilled in the art should understand that this is merely an example, and the technical solution consistent with the technical concept of the present application is not limited thereto. In addition, in the following, 5G, 4G, 3G, 2G networks will be described as examples, but those skilled in the art will appreciate that the present invention is not limited thereto, and may additionally include other networks.
Fig. 1 is a diagram illustrating an example in which a terminal (e.g., a handset) recovers a network when a signal area enters from a no-signal area in the related art. It should be understood by those skilled in the art that the no-signal area represents an area where the mobile phone terminal cannot receive a signal or an area not covered by the communication network, for example, a signal shadow area of a garage, a tunnel, etc.
Referring to fig. 1, when a terminal is in a no-signal area (at this time, the terminal is in a no-network state), the terminal performs network search, and if a signal area (for example, an area covered by at least one of 5G, 4G, 3G, and 2G networks) is just entered at time "0" and a 2G or 3G network is just searched, the mobile terminal registers and resides in the 2G or 3G network to complete service data transmission, and when data service transmission is completed, the network releases a data link, the terminal searches for the 4G network, and when a 4G network is searched, the terminal can register and reside in the 4G network. It can be seen that the transmission of the service data is performed through the 2G or 3G network with higher latency and lower data throughput.
Fig. 2 shows an example of restoring the network when the terminal enters a signal zone from a no-signal zone.
Referring to fig. 2, it is assumed that the terminal is currently located in a no-signal area a, in which the terminal is in a no-service signal state (no-network state), and in this state, the terminal attempts to recover the signal by, for example, 4G >3G >2G signal round robin.
A terminal moves from an area a to an area B covered by a 4G, 3G, 2G network or a better network (e.g., a 5G network), and the terminal may enter the area B at any point in time of the network searching time, which may be when the terminal is searching for one of the 4G, 3G and 2G networks. Those skilled in the art will understand that, when a mobile phone terminal searches for a network, a pointer can search for a communication card installed in the terminal.
Taking a mobile phone terminal for installing a Chinese Unicom card as an example, the time of the mobile phone terminal for searching 4G for the full frequency of the Unicom card in a no-signal area is about 10 seconds, the time of searching 3G for the full frequency is about 1 second, and the time of searching 2G for the full frequency is about 2 seconds. The probability of searching for 3G and 2G networks when the mobile terminal moves to a region with a signal is about 23%. That is, when the terminal enters a signal area (including 4G, 3G and 2G signals) from a signal-free area, the probability of searching for 3G and 2G is 23% first, and therefore, the terminal has a probability of 23% residing in the 3G or 2G with higher delay and lower throughput to perform traffic data transmission.
Fig. 3 shows a flowchart of a method for a terminal to quickly return to a preferred network according to an embodiment of the present disclosure.
Referring to fig. 3, in step S301, an initial search for a network is performed by a terminal in response to the terminal being in a no-network state.
As an example, the terminal being in a no network state may refer to a state in which the terminal is located in an area without network signal coverage or does not receive a network signal.
As an example, the step of initial search by the terminal for the network comprises: and carrying out initial search on the network according to a preset search rule.
As an example, the preset search rule is one of the following search rules: searching for the network at regular time, searching for the network at irregular time, searching for the network according to a default network searching sequence, and searching for the network according to the triggering operation of a user.
As an example, when the terminal is in a no network state (e.g., when the terminal enters an area without network coverage), 5G, 4G, 3G, and 2G networks may be searched in a polling manner.
As an example, a terminal may be equipped with one or more communication cards. It should be understood by those skilled in the art that the network searching may be performed by a pointer to a communication card installed in the terminal or by a pointer to the terminal.
As an example, the no-network state includes a state in which at least one of the communication cards installed in the terminal is in the no-network state.
In step S302, it is determined whether the initially searched network is a preferred network.
As an example, the preferred network may be determined according to preset rules. For example, one or more networks (e.g., at least one of a 4G and 5G network) may be predetermined as preferred networks.
As an example, the preferred network may be determined by a preferred network list, wherein the preferred network list includes one or more networks, wherein the networks in the preferred network list may have a priority.
As an example, when there is a network having a higher priority than the initially searched network in the preferred network list, it may be determined that the initially searched network is not the preferred network, and when there is no network having a higher priority than the initially searched network in the preferred network list, it may be determined that the initially searched network is the preferred network. As an example, the different network standards may be 5G >4G >3G >2G from high to low in priority.
As an example, when the initially searched network is included in the preferred network list, it may be determined that the initially searched network is a preferred network, and when the initially searched network is not included in the preferred network list, it may be determined that the initially searched network is not a preferred network.
As an example, the preferred network list is one of the following lists: a terminal default preferred network list, a preferred network list acquired from an external device, and a preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device.
As an example, the preferred network list acquired from the external device may be a current system preferred network list sent by the base station, the network base station may send the current system preferred network list to the terminal in a broadcast channel according to the network deployment situation, and the terminal may determine which network is preferred to access according to the value.
As an example, the preferred network list acquired from the external device (e.g., the base station) is updated in real time by the external device and transmitted to the terminal.
As an example, the terminal may receive a current system preferred network list updated in real time from the base station. The current system preferred network list received by the terminal can be matched with the terminal default preferred network list, and finally, an actual preferred network list is generated to be used for carrying out network preference.
As an example, when the terminal does not receive the current system preferred network list, the network may be preferred using the terminal default preferred network list as the actual preferred network list.
As an example, if the terminal does not receive the updated current system preferred network list for a long time (e.g., more than 30 minutes), the terminal may clear the received existing current system preferred network list and prefer the network with the default preferred network list.
As an example, the terminal may use the current system preferred network list received from the base station as a preferred network list for preferring the network.
As an example, the preferred network list may be obtained by prioritizing networks that are common to the preferred network list by default of the terminal and the preferred network list acquired from the external device.
Fig. 4 is a diagram of an example of a preferred network list determined based on a preferred network list by default of a terminal and a preferred network list acquired from an external device.
Referring to fig. 4, a network common to the default preferred network list of the terminal and the current system preferred network list transmitted from the network side may be determined as a preferred network included in the preferred network list. For example, the preferred network list is formed by LTE and WCDMA common to the default preferred network list of the terminal and the current system preferred network list transmitted from the network (e.g., base station), and the networks in the preferred network list have different priorities, for example, the priority of LTE is higher than that of WCDMA.
Returning to fig. 3, if it is determined that the searched network is the preferred network, the terminal is camped on the searched preferred network at step S307.
If it is determined in step 302 that the initially searched network is not the preferred network, proceeding to step S303, in step S303, a preferred network is searched in response to determining that the network initially searched by the terminal is not the preferred network.
As an example, whether the initially searched network is the preferred network may be determined by determining whether there is a network having a higher priority than the initially searched network in the preferred network list. When it is determined that there is a network having a priority higher than that of the initially searched network in the preferred network list, it is determined that the initially searched network is not a preferred network.
As another example, whether the initially searched network is the preferred network may be determined by determining whether there is a network having a higher priority than that of the initially searched network among the preset preferred networks. Specifically, the preferred network may be one or more networks determined in advance, and when there is a network having a priority higher than that of the initially searched network among the one or more networks, it may be determined that the initially searched network is not the preferred network.
As an example, in response to determining that there is a network in the preferred network list having a priority higher than the priority of the initially searched network, a network in the preferred network list having a priority higher than the priority of the initially searched network is searched by priority.
As an example, if the initially searched network is a 3G network, the 3G network is not registered first, if there are 4G and 5G networks in the preferred network list, the 4G network is searched first, if the 4G network is not searched, the 5G network is searched, and if the 4G and 5G networks are not searched, the initially searched 3G network is searched, wherein the search time and the search times for the 5G and 4G networks may be preset.
In step S304, it is determined whether a preferred network is searched. As an example, if the initially searched network is a 3G network, the 3G network is not registered first, if there are 4G and 5G networks in the preferred network list (or preset preferred networks), the 4G network is searched first, if the 4G network is searched, the 4G network is determined as the searched preferred network, if the 4G network is not searched, the 5G network is searched, and if the 5G network is searched, the 5G network is determined as the searched preferred network.
When the preferred network is searched, the terminal registers and resides in the searched preferred network at step S305. For example, if the initially searched network is a 3G network, the 3G network is not registered first, if there are 4G and 5G networks in the preferred network list (or the preset preferred network), the 4G network is searched first, if the 4G network is searched, the terminal is registered and resides in the 4G network, if the 4G network is not searched, the 5G network is searched, and if the 5G network is searched, the terminal is registered and resides in the 5G network.
In step S306, if the preferred network is not searched, the terminal searches for the initially searched network to register and reside on the initially searched network.
As an example, if the initially searched network is a 3G network, the 3G network is not registered first, if there are 4G and 5G networks in the preferred network list (or the preset preferred network), the 4G network is searched first, if the 4G network is not searched, the 5G network is searched, and if the 5G network is not searched, the initially searched 3G network is searched to be registered and reside on the 3G network.
As an example, after the terminal resides in the initially searched network, it is determined whether to search for a preferred network according to a service type processed by the terminal through the initially searched network. Specifically, when the terminal does not search for the preferred network, and the terminal resides on the initially searched network, the terminal may be in data transmission or in an idle state, and when the terminal is in the idle state, a network having a higher priority than the initially searched network may be searched. For example, when the terminal resides in an idle state after the 3G network completes data traffic transmission, the terminal may search for higher priority, e.g., 4G and 5G networks. If the terminal is residing on the initially searched network for data transmission, the network with higher priority is not searched for the time being.
As an example, since the terminal may receive the preferred network list updated in real time from the base station, the preferred network list determined based on the preferred network list received from the external device and the preferred network list default by the terminal may be changed. It will be appreciated by those skilled in the art that the preferred network list transmitted by the base station may be for a terminal-mounted special communications card or the terminal itself.
As an example, when an updated preferred network list corresponding to a communication card installed in a terminal is received from an external device (e.g., a base station), if at least one network having a priority higher than that of a network corresponding to the communication card currently accessed by the terminal exists in the received updated preferred network list and a terminal default preferred network list, determining whether the terminal is in an idle state with respect to the network corresponding to the communication card, and searching, by the terminal, the at least one network having a priority higher than that of the network corresponding to the communication card by priority when it is determined that the terminal is in an idle state with respect to the network corresponding to the communication card; in response to searching for one of the at least one network having a higher priority than the network corresponding to the communication card, accessing the terminal onto the one of the at least one network having a higher priority than the network corresponding to the communication card.
Taking a mobile phone terminal equipped with a connectivity card as an example, if an updated preferred network list received from an external device (e.g., a base station) and a default preferred network list of the terminal both include 4G and 5G networks, and the terminal resides in a 3G network and is in an idle state, the 5G network may be searched first, when the 5G network is searched, the terminal registers and resides in the 5G network, if the 5G network is not searched, the 4G network continues to be searched, and if the 4G network is searched, the terminal registers and resides in the 4G network.
As another example, for a dual-card dual-standby mobile phone terminal, when the mobile phone terminal enters a signal blind area such as a garage, a tunnel, or the like and returns to a signal coverage area, when it is determined that any one of the communication cards enters a no-signal state from a signal state and enters a signal state again, if it is not a preferred network (e.g., a 5G network and a 4G network) that is first searched for the any one of the communication cards, the 5G and/or 4G networks in the preferred network list are searched according to priority to avoid the terminal from performing 3G/2G data link establishment, so that the terminal returns to the preferred network more quickly. If the 5G or 4G network still can not be searched, the initially searched 3G or 2G network is searched to register and reside in the 3G or 2G network to perform service data transmission. When a data link to a 3G or 2G network is released, the 5G and/or 4G network may be re-searched. It should be understood by those skilled in the art that the above-described network searching process can be performed for two communication cards simultaneously.
As an example, if the network initially searched is not the preferred network, in the process of searching for the preferred network, only the preset frequency point of the preferred network may be searched. For example, if the initially searched network is a 2G or 3G network, when searching for a 5G and/or 4G network, only the preset frequency point of the 5G or 4G network may be searched.
As an example, the preset frequency point may include a frequency point in which the terminal has successfully camped.
The following takes the 4G network as an example to illustrate the difference between the present invention and the prior art in the network searching process.
In the prior art, the process of searching for the 4G network is as follows:
1) a List Frequency Scan (LFS) is performed on the frequency bins (EARFCNs) in the Acquisition database (ACQ _ DB), corresponding to the frequency bins (Band) in the Band preference list (Band _ priority _ list).
2) If step 1) fails, a Full Frequency search (Full Frequency Scan) search Full Band mode searches for bands in the order of Band _ priority _ list, each Band taking about 2 seconds.
3) If step 2) fails, the remaining bins of the ACQ _ DB in the List Frequency Scan (LFS) are executed.
4) If step 3) fails, performing a Full Frequency Search (FFS) for the remaining frequency bands supported by the terminal.
According to the embodiment of the disclosure, the process of searching for the 4G network is as follows: (1) searching for a frequency Band (Band) in a frequency Band preference list (Band _ priority _ list) corresponding to the Acquisition database (ACQ DB) in the system Scan mode; (2) each band is about 0.3 seconds determined according to the content in the existing ACQ DB; (3) the network searching mode using the ACQ DB list can avoid long-time searching. The content of the ACQ DB is a recording database of a network in which the terminal can only successfully reside, and the terminal successfully resides at a new frequency point every time to record the frequency point.
According to the network searching scheme disclosed by the embodiment of the disclosure, the 4G network can be searched more quickly because the scanning is only performed on the preset frequency points.
Fig. 5 is a diagram illustrating an example in which a terminal restores a network according to an embodiment of the present disclosure.
Referring to fig. 5, it is assumed that the terminal enters a region where 4G, 3G, and 2G signals exist at a position of time "0".
Compared with the mode of reselecting back to 4G after the data service is transmitted by 3G or 2G (for example, the 1Mb transmission time is about 10S), the method directly searches the 4G network, quickly searches for the data service (about 0.5S) and resides in the 4G network, and transmits the data service by utilizing the larger throughput (for example, the 1Mb transmission time is less than 1S) of the 4G network, so that the user experience is better.
Fig. 6 is a diagram illustrating when a 4G, 3G, or 2G network registers.
Referring to fig. 6, the time required to register the 4G network is less, so this time consumption may not be considered.
As described above, in the prior art, when a terminal enters an area with network coverage (e.g., an area covered by 4G, 3G, and 2G networks) from an area without network coverage, the terminal can only search according to a current network cyclic search process (perform full-frequency scanning at intervals, and scan all frequency points of 4G, 3G, and 2G), and once a corresponding network (4G, 3G, or 2G) is searched, registration is initiated to perform a related service. However, such a method may encounter a high probability that the terminal just searches for a 3G or 2G network, thereby causing the terminal to register with the 3G/2G network with poor data service experience. This process can result in the terminal being in a poor data traffic experience for a long time and not being able to camp on a high-throughput, low-latency premium data traffic network (e.g., a 5G or 4G network) in a timely manner.
According to the embodiment of the disclosure, the terminal can be quickly registered and reside in the network with higher priority, so that better data service transmission experience is provided for the user.
The method for the terminal to quickly return to the preferred network according to the embodiment of the present disclosure is described above with reference to fig. 1 to 6.
An apparatus for a terminal to quickly return to a preferred network according to an embodiment of the present disclosure will be described below with reference to fig. 7.
Fig. 7 is a block diagram illustrating an apparatus for a terminal to quickly return to a preferred network according to an embodiment of the present disclosure.
Referring to fig. 7, the apparatus 700 may include a search unit 701 and a control unit 702. The apparatus 700 may additionally include other components. Any unit of apparatus 700 may be split into one or more units, each of which may perform at least a portion of the functionality of the unit before being split. Multiple units in the apparatus 700 may be combined into one unit, and the combined unit may perform the same function as the function performed by the unit before the combination.
As an example, the control unit 702 may be configured to control the search unit 701 to perform an initial search for a network in response to the terminal being in a no network state.
The control unit 702 is configured as an example to control the search unit 701 to perform an initial search for a network in accordance with a preset search rule.
As an example, the terminal is installed with one communication card or a plurality of communication cards, wherein the network searching is performed for the communication card installed in the terminal.
As an example, the control unit 702 may be configured to: determining whether the initially searched network is a preferred network, controlling the searching unit 701 to search for the preferred network in response to determining that the initially searched network is not the preferred network, and residing the terminal in the searched preferred network when the preferred network is searched, and residing the terminal in the initially searched network when the preferred network is not searched, wherein the preferred network is determined according to a preset rule.
As an example, the control unit 702 may be configured to: the control search unit 701 performs initial search on a network according to a preset search rule.
As an example, the terminal may be installed with one communication card or a plurality of communication cards.
By way of example, the preferred network may include one or more networks.
As an example, the control unit 702 may be further configured to: and after the terminal resides in the initially searched network, determining whether to search the preferred network according to the service type processed by the terminal through the initially searched network.
As an example, the control unit 702 may be configured to: the searching unit 701 is controlled to search only the preset frequency points of the preferred network.
As an example, the preset search rule is one of the following search rules: searching for the network at regular time, searching for the network at irregular time, searching for the network according to a default network searching sequence, and searching for the network according to the triggering operation of a user.
As an example, the no-network state includes at least one of the communication cards installed in the terminal being in a no-network state.
As an example, the control unit 702 is configured to: whether the initially searched network is the preferred network is determined by determining whether there is a network having a higher priority than the initially searched network in the preferred network list, or whether there is a network having a higher priority than the initially searched network in the preset preferred networks.
As an example, the part of the preset frequency points includes frequency points where the terminal has successfully resided.
As an example, the control unit 702 may be configured to: in response to determining that there is a network in the preferred network list having a priority higher than the priority of the initially searched network, searching for a network in the preferred network list having a priority higher than the priority of the initially searched network by priority.
As an example, the preferred network list is one of the following lists: a terminal default preferred network list, a preferred network list acquired from an external device, and a preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device.
As an example, the preferred network list acquired from the external device is updated in real time by the external device and transmitted to the terminal.
As an example, the control unit 702 may be further configured to: when the terminal receives an updated preferred network list corresponding to a communication card installed in the terminal from an external device, and at least one network with the priority higher than that of a network corresponding to the communication card currently accessed by the terminal exists in the received updated preferred network list and a default preferred network list of the terminal, determining whether the terminal is in an idle state aiming at the network corresponding to the communication card, and searching the at least one network with the priority higher than that of the network corresponding to the communication card according to the priority when the terminal is determined to be in the idle state aiming at the network corresponding to the communication card; in response to searching for one of the at least one network having a higher priority than the network corresponding to the communication card, accessing the terminal onto the one of the at least one network having a higher priority than the network corresponding to the communication card.
As an example, a preferred network list determined based on a preferred network list by default of the terminal and a preferred network list acquired from an external device is obtained by: the preferred network list is obtained by prioritizing networks common to the default preferred network list of the terminal and the preferred network list acquired from the external device.
It should be understood that each unit in the apparatus for a terminal to quickly return to a preferred network according to an exemplary embodiment of the present invention may be implemented as a hardware component and/or a software component. The individual units may be implemented, for example, using Field Programmable Gate Arrays (FPGAs) or Application Specific Integrated Circuits (ASICs), depending on the processing performed by the individual units as defined by the skilled person.
The computer-readable storage medium according to an exemplary embodiment of the present invention stores a computer program that, when executed by a processor, causes the processor to perform the method for a terminal to quickly return to a preferred network of the above-described exemplary embodiment. The computer readable storage medium is any data storage device that can store data which can be read by a computer system. Examples of computer-readable storage media include: read-only memory, random access memory, read-only optical disks, magnetic tapes, floppy disks, optical data storage devices, and carrier waves (such as data transmission through the internet via wired or wireless transmission paths).
An electronic terminal according to an exemplary embodiment of the present invention includes: a processor (not shown) and a memory (not shown), wherein the memory stores a computer program which, when executed by the processor, implements the method for a terminal to quickly return to a preferred network as in the above exemplary embodiments.
Although a few exemplary embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (16)
1. A method for a terminal to quickly return to a preferred network, the method comprising:
responding to the condition that the terminal is in a network-free state, and initially searching a network by the terminal;
determining whether the initially searched network is a preferred network;
searching the preferred network in response to determining that the network initially searched by the terminal is not the preferred network;
when the preferred network is searched, the terminal is resided in the searched preferred network;
when the preferred network is not searched, the terminal is resided in the initially searched network,
wherein the preferred network is determined according to a preset rule.
2. The method of claim 1,
the step of initial searching by the terminal for the network comprises: performing initial search on the network according to a preset search rule,
and/or the presence of a gas in the gas,
the terminal is equipped with a communication card or a plurality of communication cards,
and/or the presence of a gas in the gas,
the preferred network comprises one or more networks,
and/or the presence of a gas in the gas,
the method further comprises the following steps: after the terminal resides in the initially searched network, whether to search for the preferred network is determined according to the service type processed by the terminal through the initially searched network,
and/or the presence of a gas in the gas,
the step of searching for a preferred network comprises: and searching only the preset frequency points of the preferred network.
3. The method of claim 2,
the preset search rule is one of the following search rules: searching for the network at regular time, searching for the network at irregular time, searching for the network according to the default network searching sequence, searching for the network according to the triggering operation of the user,
and/or the presence of a gas in the gas,
the no network state includes at least one of the communication cards installed in the terminal being in a no network state,
and/or the presence of a gas in the gas,
the step of determining whether the initially searched network is a preferred network includes: determining whether the initially searched network is a preferred network by determining whether there is a network having a higher priority than the initially searched network in the preferred network list, or determining whether the initially searched network is a preferred network by determining whether there is a network having a higher priority than the initially searched network in a preset preferred network,
and/or the presence of a gas in the gas,
the part of the preset frequency points comprises frequency points which the terminal successfully resides in.
4. The method of claim 3,
the step of searching for a preferred network comprises: in response to determining that there is a network in the preferred network list having a priority higher than the priority of the initially searched network, searching for a network in the preferred network list having a priority higher than the priority of the initially searched network by priority.
5. The method of claim 4, wherein the list of preferred networks is one of the following: a terminal default preferred network list, a preferred network list acquired from an external device, and a preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device.
6. The method of claim 5, wherein the preferred network list acquired from the external device is updated in real time by the external device and transmitted to the terminal.
7. The method of claim 6,
the method further comprises the following steps: when the terminal receives an updated preferred network list corresponding to a communication card installed in the terminal from an external device, and at least one network with the priority higher than that of a network corresponding to the communication card currently accessed by the terminal exists in the received updated preferred network list and a default preferred network list of the terminal, determining whether the terminal is in an idle state aiming at the network corresponding to the communication card, and when the terminal is determined to be in the idle state aiming at the network corresponding to the communication card, searching the at least one network with the priority higher than that of the network corresponding to the communication card by the terminal according to the priority; accessing, by the terminal, the terminal onto one of the at least one network searched for which the priority is higher than the priority of the network corresponding to the communication card in response to searching for the one of the at least one network searched for which the priority is higher than the priority of the network corresponding to the communication card,
and/or the presence of a gas in the gas,
the preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device is obtained by: the preferred network list is obtained by prioritizing networks common to the default preferred network list of the terminal and the preferred network list acquired from the external device.
8. An apparatus for a terminal to quickly return to a preferred network, the apparatus comprising:
a search unit;
a control unit configured to:
in response to the terminal being in a no network state, controlling the searching unit to perform an initial search for the network,
it is determined whether the initially searched network is a preferred network,
in response to determining that the initially searched network is not the preferred network, controlling the searching unit to search for the preferred network,
when the preferred network is searched, the terminal is resident in the searched preferred network,
when the preferred network is not searched, the terminal is resided in the initially searched network,
wherein the preferred network is determined according to a preset rule.
9. The apparatus of claim 8,
the control unit is configured to: the searching unit is controlled to perform initial searching on the network according to a preset searching rule,
and/or the presence of a gas in the gas,
the terminal is equipped with a communication card or a plurality of communication cards,
and/or the presence of a gas in the gas,
the preferred network comprises one or more networks,
and/or the presence of a gas in the gas,
the control unit is further configured to: after the terminal resides in the initially searched network, whether to search for the preferred network is determined according to the service type processed by the terminal through the initially searched network,
and/or the presence of a gas in the gas,
the control unit is configured to: and controlling the searching unit to search only the preset frequency points of the preferred network.
10. The apparatus of claim 9,
the preset search rule is one of the following search rules: searching for the network at regular time, searching for the network at irregular time, searching for the network according to the default network searching sequence, searching for the network according to the triggering operation of the user,
and/or the presence of a gas in the gas,
the no network state includes at least one of the communication cards installed in the terminal being in a no network state,
and/or the presence of a gas in the gas,
the control unit is configured to: determining whether the initially searched network is a preferred network by determining whether there is a network having a higher priority than the initially searched network in the preferred network list, or determining whether the initially searched network is a preferred network by determining whether there is a network having a higher priority than the initially searched network in a preset preferred network,
and/or the presence of a gas in the gas,
the part of the preset frequency points comprises frequency points which the terminal successfully resides in.
11. The apparatus of claim 10,
the control unit is configured to: in response to determining that there is a network in the preferred network list having a priority higher than the priority of the initially searched network, searching for a network in the preferred network list having a priority higher than the priority of the initially searched network by priority.
12. The apparatus of claim 11, wherein the list of preferred networks is one of the following: a terminal default preferred network list, a preferred network list acquired from an external device, and a preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device.
13. The apparatus of claim 12, wherein the preferred network list acquired from the external apparatus is updated in real time by the external apparatus and transmitted to the terminal.
14. The apparatus of claim 13,
the control unit is further configured to: when the terminal receives an updated preferred network list corresponding to a communication card installed in the terminal from an external device, and at least one network with the priority higher than that of a network corresponding to the communication card currently accessed by the terminal exists in the received updated preferred network list and a default preferred network list of the terminal, determining whether the terminal is in an idle state aiming at the network corresponding to the communication card, and searching the at least one network with the priority higher than that of the network corresponding to the communication card according to the priority when the terminal is determined to be in the idle state aiming at the network corresponding to the communication card; accessing, by the terminal, the terminal onto one of the at least one network searched for which the priority is higher than the priority of the network corresponding to the communication card in response to searching for the one of the at least one network searched for which the priority is higher than the priority of the network corresponding to the communication card,
and/or the presence of a gas in the gas,
the preferred network list determined based on the terminal default preferred network list and the preferred network list acquired from the external device is obtained by: the preferred network list is obtained by prioritizing networks common to the default preferred network list of the terminal and the preferred network list acquired from the external device.
15. A computer-readable storage medium, in which a computer program is stored which, when executed, implements the method of any of claims 1 to 7.
16. An apparatus for a terminal to quickly return to a preferred network, the apparatus comprising:
a processor;
memory storing a computer program which, when executed by a processor, implements the method of any one of claims 1 to 7.
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| CN202010581741.9A CN111698744A (en) | 2020-06-23 | 2020-06-23 | Method for terminal to quickly return to preferred network and apparatus using the same |
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| CN202010581741.9A CN111698744A (en) | 2020-06-23 | 2020-06-23 | Method for terminal to quickly return to preferred network and apparatus using the same |
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Application publication date: 20200922 |