CN113055962A - Multi-network switching method and system of intelligent terminal and computer readable storage medium - Google Patents
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
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- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
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- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
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Abstract
The invention provides a multi-network switching method and system of an intelligent terminal and a computer readable storage medium, wherein the quality of a network is evaluated through a network delay value and a network downlink throughput rate, a default network is set by combining the priorities of all networks supported by the intelligent terminal, and the switching of the network is realized.
Description
Technical Field
The present invention relates to the field of network selection technologies, and in particular, to a method and a system for switching multiple networks of an intelligent terminal, and a computer-readable storage medium.
Background
Present cell-phone is mostly many multi-network interface cell-phones, support modes such as two SIM cards, main two WLAN of assistance, bluetooth, USB and surf the net, some can coexisting among them, for example main two WLAN of assistance, some can not coexist, for example two SIM cards, the network service ability that different networks provided is also diverse, use two SIM cards as an example, the operator of each place lays the net the condition diverse, some places mobile network is better, some places UNICOM's network is better. The prior art can only use one network for connectivity to pass through in a network which is allowed to exist simultaneously, and cannot fully exert the capability of a multi-network interface mobile phone to provide high-quality network use experience for users.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide a multi-network switching method applied to an intelligent terminal, which can select a network capable of providing high network quality from networks capable of existing at the same time and networks incapable of existing at the same time.
The invention discloses a multi-network switching method of an intelligent terminal, wherein the intelligent terminal supports multiple network types, the multiple network types comprise a wireless local area network and a data network, and the method comprises the following steps: defining priorities of the multiple network types respectively; acquiring a plurality of high-use-frequency IP addresses from network data of the intelligent terminal, wherein the high-use-frequency IP addresses are IP addresses with use frequencies higher than a preset frequency, and detecting delay values of the plurality of high-use-frequency IP addresses in turn at intervals of preset time; when the delay network data which is more than or equal to a preset amount appears in the plurality of high-use-frequency IP addresses within a first preset time period, respectively carrying out network quality evaluation on the plurality of network types; the delay value of the delay network data is greater than or equal to a first preset delay threshold value; if one network in the multiple network types passes through network quality evaluation and the priority of the network is higher than that of the currently used network, setting the network as a default network; if the currently used network passes through the network quality evaluation and the network of which the priority is not higher than that of the currently used network in the multiple network types passes through the network quality evaluation, setting the currently used network as a default network and continuing to carry out the network quality evaluation; if the currently used network does not pass the network quality evaluation and none of the plurality of network types passes the network quality evaluation, an available network having the highest priority and lower than the currently used network among the networks that cannot coexist with the current network due to the collision is set as a default network.
Preferably, the network quality assessment comprises: a delay quality detection process, namely, detecting the delay values of the high-use-frequency IP addresses at the same time; calculating a normalization value of a plurality of delay values; in the delay quality detection process, simultaneously counting the downlink throughput rate of the network, wherein the downlink throughput rate is the quotient of the total amount of downlink data and the detection time; and if the normalization value is smaller than a first preset delay threshold value and the downlink throughput rate is larger than or equal to a preset downlink throughput rate, determining that the network passes through network quality evaluation.
Preferably, the calculating a normalization value of the number of delay values comprises: and removing the highest value and the lowest value in the plurality of delay values, and then averaging to obtain a normalization value of the plurality of delay values.
Preferably, the network quality assessment further comprises: when the data loss of the delay values exceeds a preset loss, accessing a plurality of public network addresses of the network to evaluate the connectivity quality of the current network; the public network address comprises a DNS root server; and if the connectivity quality reaches the standard and the downlink throughput rate is greater than or equal to the preset downlink throughput rate, the network is considered to pass the network quality evaluation.
Preferably, the respectively performing network quality evaluation on the multiple network types and switching the currently used network to the optimal used network further includes: and if the currently used network does not pass the network quality evaluation, obtaining each network quality evaluation result of the multiple network types in a second preset time period, and then selecting the optimal used network.
Preferably, a network that does not pass the network quality assessment is considered an unavailable network for a third preset time period.
Preferably, when the number of high-usage-frequency IP addresses appears with delay network data greater than or equal to a preset amount within a first preset time period, the performing network quality evaluation on the multiple network types respectively, and switching the currently-used network to the optimal-used network further includes: when the network which has higher priority than the currently selected optimal use network and can coexist with the currently selected optimal use network has a connection state change, network quality evaluation is carried out once to reselect the optimal use network.
The invention also discloses a multi-network switching system of the intelligent terminal, wherein the intelligent terminal supports various network types, the various network types comprise a wireless local area network and a data network, the multi-network types comprise a priority calibration module, a network quality evaluation module and a network switching module, and the network quality evaluation module comprises a network delay detection unit; the priority calibration module defines the priority of the multiple network types respectively; the network delay detection unit acquires a plurality of high-use-frequency IP addresses from network data of the intelligent terminal, wherein the high-use-frequency IP addresses are IP addresses with use frequencies higher than a preset frequency, and delay values of the plurality of high-use-frequency IP addresses are acquired by alternately detecting at intervals of preset time; when the delay network data with the quantity larger than or equal to the preset quantity appears in the plurality of high-use-frequency IP addresses within a first preset time period, respectively carrying out network quality evaluation on the plurality of network types through the network quality evaluation module; the delay value of the delay network data is greater than or equal to a first preset delay threshold value; if one network in the multiple network types passes through network quality evaluation and the priority of the network is higher than that of the currently used network, the network switching module sets the network as a default network; if the currently used network passes through the network quality evaluation and the network of which the priority is not higher than that of the currently used network in the multiple network types passes through the network quality evaluation, the network switching module sets the currently used network as a default network and continues to carry out the network quality evaluation; if the currently used network does not pass the network quality evaluation and none of the plurality of network types passes the network quality evaluation, the network switching module sets an available network having the highest priority and lower than the currently used network among the networks that cannot coexist with the current network due to collision as a default network.
The invention also discloses a computer readable storage medium on which a computer program is stored, which computer program, when being executed by a processor, realizes the steps of any of the above-mentioned multi-network handover methods.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. the quality of the network is evaluated through the network delay value and the network downlink throughput rate, the default network is set by combining the priorities of all networks supported by the intelligent terminal, the network switching is realized, and compared with the network switching in the prior art, the method can evaluate all the supported networks including the current practical network, so that the intelligent terminal has large selection space for the network when using the network, and the multi-network function of the intelligent terminal is fully exerted;
2. under the condition that the data acquisition of the delay value is lost, the quality of the network can be comprehensively evaluated through a plurality of parameters by evaluating the connectivity quality of the network instead of the delay value;
3. if the used network does not pass the network quality evaluation and any network in the multiple network types passes the network quality evaluation, namely the currently coexistable network is considered to not provide a high-quality network, the available network with the highest priority in the networks which cannot coexist with the current network due to conflict is set as a default network, flexible switching is realized, and the normal use of the intelligent terminal network is ensured.
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Fig. 1 is a flowchart of a multi-network switching method of an intelligent terminal according to the present invention;
fig. 2 is a schematic structural diagram of the intelligent terminal of the present invention.
Detailed Description
The advantages of the invention are further illustrated in the following description of specific embodiments in conjunction with the accompanying drawings.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
Referring to fig. 1-2, the present invention discloses a multi-Network switching method for an intelligent terminal, wherein the intelligent terminal supports multiple Network types, the multiple Network types include a Wireless Local Area Network (WLAN), a data Network of an SIM card, bluetooth, USB, and the like, wherein the Wireless Local Area Network generally further includes a main WLAN and an auxiliary WLAN, and supports simultaneous switching of multiple WLANs, and the data Network of the SIM card also supports the main and auxiliary two data networks due to dual-card dual-standby of the intelligent terminal.
The multi-network switching method comprises the following steps:
s1, defining priorities of various network types respectively; acquiring a plurality of high-use-frequency IP addresses from network data of the intelligent terminal, wherein the high-use-frequency IP addresses are IP addresses with the use frequency higher than a preset frequency, and detecting and acquiring delay values of the plurality of high-use-frequency IP addresses in turn by taking preset time as an interval;
s2, when delay network data larger than or equal to a preset amount appear in a plurality of high-use-frequency IP addresses within a first preset time period, respectively carrying out network quality evaluation on a plurality of network types; the delay value of the delay network data is greater than or equal to a first preset delay threshold value;
s201, if one network in multiple network types passes through network quality evaluation and the priority of the network is higher than that of a currently used network, setting the network as a default network;
s202, if the currently used network passes through network quality evaluation and no network with the priority higher than that of the currently used network in the multiple network types passes through the network quality evaluation, setting the currently used network as a default network and continuing to carry out the network quality evaluation;
and S203, if the currently used network does not pass the network quality evaluation and any network in the multiple network types passes the network quality evaluation, setting an available network which has the highest priority and is lower than the currently used network in the networks which can not coexist with the current network due to the conflict as a default network.
High frequency IP addresses also mean higher probability of future use and can also be used as a basis for predicting future network quality. The method for acquiring the high-frequency IP address is the minimum use and the total use frequency in a period of time.
The number of the acquired high-usage frequency IP addresses is 8 in this embodiment, and in other embodiments, the number of the acquired high-usage frequency IP addresses may be increased or decreased according to the determined reliability requirement.
The invention detects the network delay state of the intelligent terminal in real time and determines whether to evaluate the network quality according to the delay rate. And then, the quality of the network is evaluated through a network delay value and a network downlink throughput rate, a default network is set by combining the priorities of all networks supported by the intelligent terminal, the switching of the network is realized, and all the supported networks including the current practical network can be evaluated, so that the selection space of the intelligent terminal on the network is large when the intelligent terminal uses the network, the interval between the network which can be used at the same time and the network which cannot be used at the same time is broken, and the multi-network function of the intelligent terminal is fully exerted.
Preferably, the network quality evaluation process includes a delay quality detection process and a downlink throughput rate detection process, and the quality condition of the network is determined according to the delay condition and the throughput condition of the network.
Specifically, the delay quality detection process detects a plurality of delay values of a plurality of high-use-frequency IP addresses at the same time, and calculates a normalization value of the plurality of delay values. In the downlink throughput detection process, namely in the delay quality detection process, the downlink throughput of the network is counted at the same time, and the downlink throughput is the quotient of the total amount of downlink data and the detection time. The judgment process is as follows: and if the normalization value is less than the first preset delay threshold value and the downlink throughput rate is greater than or equal to the preset downlink throughput rate, determining that the network passes the network quality evaluation.
Preferably, in this embodiment, the normalized value of the plurality of delay values is obtained by taking an average value after removing the highest value and the lowest value of the plurality of delay values. In other embodiments, other methods may be used to summarize the delay values, but not limited thereto.
In some cases of network usage, a packet loss condition of a delay value often occurs, and at this time, if the quality condition of the network is judged by the delay condition and the throughput condition, the obtained quality condition will be unreliable. The invention provides a method for acquiring connectivity quality, which is used for judging the quality of the network by replacing a delay value with the connectivity quality under the condition that the delay value of the network is unreliable.
Specifically, when the data loss amount of a plurality of delay values exceeds the preset loss amount, a plurality of public network addresses of the network are accessed to evaluate the connectivity quality of the current network. And if the connectivity quality reaches the standard and the downlink throughput rate is greater than or equal to the preset downlink throughput rate, determining that the network passes the network quality evaluation.
The disclosed network addresses include, but are not limited to, DNS root servers.
Preferably, it should be noted that, if the currently used network does not pass the network quality evaluation, it is indicated that the default network may need to be changed and the current network is no longer used, and after each network quality evaluation result of the multiple network types is obtained within the second preset time period, the optimally used network is reselected according to the network quality evaluation result and the priority. The second preset time period is set to be enough for the network quality evaluation of multiple network types to end and obtain the result, and is set to be 2S in this embodiment, and may also be set to be other values in other embodiments, which is not limited herein.
Preferably, in order to reduce the workload of network quality evaluation, a network that does not pass the network quality evaluation is considered as an unavailable network within a third preset time period. The third preset time period is set according to the network quality evaluation frequency.
Preferably, in order to provide better network use experience for users, the invention performs network quality evaluation once to reselect the optimal use network when the network which has higher priority than the currently selected optimal use network and can coexist with the currently selected optimal use network has a connection state change, besides performing network quality evaluation when the delay condition of the network is abnormal.
The invention also discloses a multi-Network switching system of the intelligent terminal, which can implement the multi-Network switching method of the intelligent terminal, the intelligent terminal also supports a Wireless Local Area Network (WLAN), a data Network of an SIM card, Bluetooth, USB and other Network types, the multi-Network switching system comprises:
-a priority rating module for rating a usage priority for each network;
-a network quality assessment module for network quality assessment of the respective network;
-a network switching module for switching between networks, selecting a default network.
The network quality evaluation module comprises a network delay detection unit, the network delay detection unit acquires a plurality of high-use-frequency IP addresses from network data of the intelligent terminal, and delay values of the plurality of high-use-frequency IP addresses are acquired by alternately detecting with preset time as an interval.
When the delay network data which is more than or equal to the preset amount appears in the plurality of high-use-frequency IP addresses within the first preset time period, the network quality evaluation module is used for respectively carrying out network quality evaluation on the plurality of network types. The delay value of the delay network data is greater than or equal to a first preset delay threshold value.
If one of the multiple network types passes the network quality evaluation and the priority of the network is higher than that of the currently used network, the network switching module sets the network as a default network.
And if the currently used network passes the network quality evaluation and the network of which the priority is not higher than that of the currently used network in the multiple network types passes the network quality evaluation, the network switching module sets the currently used network as a default network and continues to carry out the network quality evaluation.
If the currently used network does not pass the network quality evaluation and any network of the plurality of network types passes the network quality evaluation, the network switching module sets an available network having the highest priority and lower than the currently used network among the networks that cannot coexist with the current network due to the collision as a default network.
The network quality evaluation process comprises a delay quality detection process and a downlink throughput rate detection process, wherein the delay quality detection process is that a network delay detection unit simultaneously detects a plurality of delay values of a plurality of high-use-frequency IP addresses and calculates normalization values of the plurality of delay values.
The network quality evaluation module also comprises a downlink throughput rate detection unit, wherein in the downlink throughput rate detection process, namely in the delay quality detection process, the downlink throughput rate detection unit simultaneously counts the downlink throughput rate of the network, and the downlink throughput rate is the quotient of the total amount of downlink data and the detection time.
In some cases of network usage, a packet loss condition of a delay value often occurs, and at this time, if the quality condition of the network is judged by the delay condition and the throughput condition, the obtained quality condition will be unreliable. Therefore, the network quality evaluation module of the invention also comprises a connectivity quality detection unit, and the connectivity quality is used for replacing the delay value to judge the quality of the network under the condition that the delay value of the network is unreliable.
Specifically, when the data loss amount of a plurality of delay values exceeds the preset loss amount, the connectivity quality detection unit accesses a plurality of public network addresses of the network to evaluate the connectivity quality of the current network.
The invention also discloses a computer readable storage medium on which a computer program is stored, which computer program, when executed by a processor, performs the steps of any of the above-described multi-network handover methods.
The smart terminal may be implemented in various forms. For example, the terminal described in the present invention may include an intelligent terminal such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, etc., and a fixed terminal such as a digital TV, a desktop computer, etc. In the following, it is assumed that the terminal is a smart terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.
Claims (9)
1. A multi-network switching method of an intelligent terminal supports multiple network types, wherein the multiple network types comprise a wireless local area network and a data network, and the method is characterized by comprising the following steps:
defining priorities of the multiple network types respectively;
acquiring a plurality of high-use-frequency IP addresses from network data of the intelligent terminal, wherein the high-use-frequency IP addresses are IP addresses with use frequencies higher than a preset frequency, and detecting delay values of the plurality of high-use-frequency IP addresses in turn at intervals of preset time;
when the delay network data which is more than or equal to a preset amount appears in the plurality of high-use-frequency IP addresses within a first preset time period, respectively carrying out network quality evaluation on the plurality of network types; the delay value of the delay network data is greater than or equal to a first preset delay threshold value;
if one network in the multiple network types passes through network quality evaluation and the priority of the network is higher than that of the currently used network, setting the network as a default network; if the currently used network passes through the network quality evaluation and the network of which the priority is not higher than that of the currently used network in the multiple network types passes through the network quality evaluation, setting the currently used network as a default network and continuing to carry out the network quality evaluation; if the currently used network does not pass the network quality evaluation and none of the plurality of network types passes the network quality evaluation, an available network having the highest priority and lower than the currently used network among the networks that cannot coexist with the current network due to the collision is set as a default network.
2. The multi-network handover method of claim 1, wherein the network quality assessment comprises:
a delay quality detection process, namely, detecting the delay values of the high-use-frequency IP addresses at the same time; calculating a normalization value of a plurality of delay values;
in the delay quality detection process, simultaneously counting the downlink throughput rate of the network, wherein the downlink throughput rate is the quotient of the total amount of downlink data and the detection time;
and if the normalization value is smaller than a first preset delay threshold value and the downlink throughput rate is larger than or equal to a preset downlink throughput rate, determining that the network passes through network quality evaluation.
3. The multi-network handover method of claim 2, wherein the calculating a normalization value of the number of delay values comprises: and removing the highest value and the lowest value in the plurality of delay values, and then averaging to obtain a normalization value of the plurality of delay values.
4. The multi-network handover method of claim 2, wherein the network quality assessment further comprises:
when the data loss of the delay values exceeds a preset loss, accessing a plurality of public network addresses of the network to evaluate the connectivity quality of the current network; the public network address comprises a DNS root server;
and if the connectivity quality reaches the standard and the downlink throughput rate is greater than or equal to the preset downlink throughput rate, the network is considered to pass the network quality evaluation.
5. The multi-network handover method according to claim 1, wherein the performing network quality evaluation on the plurality of network types and switching the currently used network to the optimally used network respectively further comprises:
and if the currently used network does not pass the network quality evaluation, obtaining each network quality evaluation result of the multiple network types in a second preset time period, and then selecting the optimal used network.
6. The multi-network handover method according to claim 1, wherein a network that fails the network quality assessment is considered as an unavailable network within a third preset time period.
7. The method according to claim 1, wherein when the delayed network data with a quantity greater than or equal to a preset quantity appears in the high-usage-frequency IP addresses within a first preset time period, the performing network quality evaluation on the multiple network types respectively, and switching the currently-used network to the optimal-used network further comprises:
when the network which has higher priority than the currently selected optimal use network and can coexist with the currently selected optimal use network has a connection state change, network quality evaluation is carried out once to reselect the optimal use network.
8. A multi-network switching system of an intelligent terminal supports multiple network types, wherein the multiple network types comprise a wireless local area network and a data network, and is characterized by comprising a priority calibration module, a network quality evaluation module and a network switching module, wherein the network quality evaluation module comprises a network delay detection unit;
the priority calibration module defines the priority of the multiple network types respectively;
the network delay detection unit acquires a plurality of high-use-frequency IP addresses from network data of the intelligent terminal, wherein the high-use-frequency IP addresses are IP addresses with use frequencies higher than a preset frequency, and delay values of the plurality of high-use-frequency IP addresses are acquired by alternately detecting at intervals of preset time;
when the delay network data with the quantity larger than or equal to the preset quantity appears in the plurality of high-use-frequency IP addresses within a first preset time period, respectively carrying out network quality evaluation on the plurality of network types through the network quality evaluation module; the delay value of the delay network data is greater than or equal to a first preset delay threshold value;
if one network in the multiple network types passes through network quality evaluation and the priority of the network is higher than that of the currently used network, the network switching module sets the network as a default network; if the currently used network passes through the network quality evaluation and the network of which the priority is not higher than that of the currently used network in the multiple network types passes through the network quality evaluation, the network switching module sets the currently used network as a default network and continues to carry out the network quality evaluation; if the currently used network does not pass the network quality evaluation and none of the plurality of network types passes the network quality evaluation, the network switching module sets an available network having the highest priority and lower than the currently used network among the networks that cannot coexist with the current network due to collision as a default network.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the multi-network handover method according to any one of claims 1 to 7.
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