CN105263173A - Channel switching method and device - Google Patents
Channel switching method and device Download PDFInfo
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- CN105263173A CN105263173A CN201510594888.0A CN201510594888A CN105263173A CN 105263173 A CN105263173 A CN 105263173A CN 201510594888 A CN201510594888 A CN 201510594888A CN 105263173 A CN105263173 A CN 105263173A
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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
The invention relates to a channel switching method and device. The method comprises the steps of: obtaining a current value of a quality parameter of a first channel; and when the difference between the current value and a standard value of the quality parameter is larger than a preset value, switching from the first channel to a second channel. According to the invention, channel switching is performed in time, the networking performance is ensured, a network is prevented from being restarted every once in a while, the problem of frequent network disconnection is avoided, and the networking effect of a router and the experience are improved.
Description
Technical field
The disclosure relates to software application field, particularly relates to a kind of channel switching method and device.
Background technology
In practical application scene, in order to ensure the performance of router, usually need to carry out channel switching.Common, router can scan all channels at set intervals, and the channel quality current according to all channels, therefrom chooses the channel of optimal quality, and switches to this channel.
During each scanning, router all needs to carry out restarting network, and restarts network and can cause Intranet suspension.
Summary of the invention
The disclosure provides a kind of channel switching method and device.Described technical scheme is as follows:
According to the first aspect of disclosure embodiment, provide a kind of channel switching method, the method comprises: the current value obtaining the mass parameter of the first channel; When difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Further, described method also comprises: the history value of described mass parameter after switching to described first channel is defined as described standard value.
Further, described the history value of described mass parameter after switching to described first channel is defined as described standard value, comprises: the initial value of described mass parameter after switching to described first channel is defined as described standard value.
Further, described the history value of described mass parameter after switching to described first channel is defined as described standard value, comprises: the mean value of the history value of described mass parameter after switching to described first channel is defined as described standard value.
Further, described the history value of described mass parameter after switching to described first channel is defined as described standard value, comprise: will switch in the history value of described mass parameter after described first channel, value corresponding when channel quality is the highest is defined as described standard value.
The technical scheme that present embodiment provides can comprise following beneficial effect: according to the history value confirmed standard value switching to mass parameter after the first channel, follow-up, use in the process of this channel, the current value of described mass parameter under can obtaining this channel, and the current value obtained and the standard value recorded before are contrasted, only have when both have big difference time, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Further, describedly switch to second channel from described first channel, comprising: the current value obtaining the mass parameter of each channel; According to the current value of the mass parameter of described each channel, from described each channel, choose the highest channel of channel quality as described second channel; Described second channel is switched to from described first channel.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, can according to the current value of mass parameter under all channels, the channel therefrom choosing optimal quality carries out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Further, described mass parameter comprises: at least one in the quantity of the service set SSID of channel, clear channel assessment (CCA) parameter CCA, co-channel interference parameter and adjacent frequency interference parameter.
Further, the quantity of described mass parameter is multiple; When described difference between described current value and the standard value of described mass parameter is greater than predetermined value, second channel is switched to from described first channel, comprise: when the difference between the current value and corresponding standard value of multiple mass parameter is all greater than corresponding predetermined value, switch to described second channel from described first channel.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of multiple mass parameter under can obtaining this channel, and for each mass parameter, by the current value obtained to record corresponding standard value before and contrast, when the current value of multiple mass parameter is all excessive with the difference of corresponding standard value, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
According to the second aspect of disclosure embodiment, provide a kind of channel switching device, this device comprises: the first acquisition module, is configured to the current value of the mass parameter of acquisition first channel; Processing module, when the difference be configured between the current value and the standard value of described mass parameter of described first acquisition module acquisition is greater than predetermined value, switches to second channel from described first channel.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Further, described device also comprises: configuration module, is configured to the history value of described mass parameter after switching to described first channel to be defined as described standard value.
Further, described configuration module comprises: the first configuration submodule, is configured to the initial value of described mass parameter after switching to described first channel to be defined as described standard value.
Further, described configuration module comprises: the second configuration submodule, is configured to the mean value of the history value of described mass parameter after switching to described first channel to be defined as described standard value.
Further, described configuration module comprises: the 3rd configuration submodule, and be configured to switch in the history value of described mass parameter after described first channel, value corresponding when channel quality is the highest is defined as described standard value.
The technical scheme that present embodiment provides can comprise following beneficial effect: according to the history value confirmed standard value switching to mass parameter after the first channel, follow-up, use in the process of this channel, the current value of described mass parameter under can obtaining this channel, and the current value obtained and the standard value recorded before are contrasted, only have when both have big difference time, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Further, described processing module comprises: obtain submodule, be configured to the current value of the mass parameter obtaining each channel; Choose submodule, be configured to the current value of the mass parameter of each channel obtained according to described acquisition submodule, from described each channel, choose the highest channel of channel quality as described second channel; Switching submodule, is configured to choose described in switching to from described first channel the described second channel that submodule is chosen.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, can according to the current value of mass parameter under all channels, the channel therefrom choosing optimal quality carries out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Further, described mass parameter comprises: the quantity of the service set SSID of channel, clear channel assessment (CCA) parameter CCA, co-channel interference parameter or adjacent frequency interference parameter.
Further, the quantity of described mass parameter is multiple, described processing module comprises: triggers module, when the difference be configured between the current value and corresponding standard value of multiple mass parameter is all greater than corresponding predetermined value, switches to described second channel from described first channel.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of multiple mass parameter under can obtaining this channel, and for each mass parameter, by the current value obtained to record corresponding standard value before and contrast, when the current value of multiple mass parameter is all excessive with the difference of corresponding standard value, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
According to the third aspect of disclosure embodiment, provide a kind of channel switching device, this device comprises: processor; For the memory of storage of processor executable instruction; Wherein, described processor is configured to: the current value obtaining the mass parameter of the first channel; When difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
The technical scheme that present embodiment provides can comprise following beneficial effect: in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows embodiment according to the invention, and is used from specification one and explains principle of the present invention.
Fig. 1 is the flow chart of a kind of channel switching method according to an exemplary embodiment;
Fig. 2 A is the flow chart of a kind of channel switching method according to another exemplary embodiment;
Fig. 2 B is the flow chart of a kind of channel switching method according to another exemplary embodiment;
Fig. 2 C is the flow chart of a kind of channel switching method according to another exemplary embodiment;
Fig. 2 D is the flow chart of a kind of channel switching method according to another exemplary embodiment;
Fig. 3 is the flow chart of a kind of channel switching method according to another exemplary embodiment;
Fig. 4 is the flow chart of a kind of channel switching method according to another exemplary embodiment;
Fig. 5 is the structure chart of a kind of channel switching device according to an exemplary embodiment;
Fig. 6 A is the structure chart of a kind of channel switching device according to another exemplary embodiment;
Fig. 6 B is the structure chart of a kind of channel switching device according to another exemplary embodiment;
Fig. 6 C is the structure chart of a kind of channel switching device according to another exemplary embodiment;
Fig. 6 D is the structure chart of a kind of channel switching device according to another exemplary embodiment;
Fig. 7 is the structure chart of a kind of channel switching device according to another exemplary embodiment;
Fig. 8 is the structure chart of a kind of channel switching device according to another exemplary embodiment;
Fig. 9 is the block diagram of a kind of channel switching device according to an exemplary embodiment;
Figure 10 is the block diagram of a kind of channel switching device 1000 according to an exemplary embodiment.
Accompanying drawing to be herein merged in specification and to form a part for specification, shows and meets embodiment of the present disclosure, and with specification instrument for explaining principle of the present invention.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Fig. 1 is the flow chart of a kind of channel switching method according to an exemplary embodiment, and as shown in Figure 1, the present embodiment is applied in channel switching device with this channel switching method and illustrates, this channel switching method can comprise following several step:
In a step 101, the current value of the mass parameter of the first channel is obtained.
Wherein, described mass parameter can reflect the quality of channel.Concrete, the executive agent of the present embodiment can be channel switching device, and this channel switching device can independently be arranged, and also can arrange in the router.Be illustrated with practical application scene:
Channel switching device obtains the current value of the mass parameter of the current channel used, and described mass parameter is for reflecting channel quality, and accordingly, the current value of mass parameter can reflect the current Quality of this channel, to perform subsequent schedule.
Wherein, described mass parameter can for reflecting arbitrarily the parameter of channel quality, for example, described mass parameter can include but not limited to: the service set (ServiceSetIdentifier of channel, be called for short SSID) quantity, clear channel assessment (CCA) parameter (ClearChannelAssessment, be called for short CCA), co-channel interference parameter, adjacent frequency interference parameter etc.
Concrete, the quantity of channel SSID is exactly channel has how many SSID, and in general, the SSID quantity that wifi analyzer can be utilized to detect in which channel is fewer, then the quality of this channel corresponding is more excellent; CCA can reflect the quantity of idle SSID in channel, and in general, idle SSID is more, then channel quality is better; Co-channel interference parameter and adjacent frequency interference parameter can reflect the noise of channel, and such as, bluetooth, multipath effect etc., in general, the quality of the channel that noise is less is better.
In a step 102, when the difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
Wherein, the standard value of described mass parameter can be the value of the mass parameter corresponding when the channel quality of the first channel is the highest.Still be illustrated with aforesaid practical application scene:
After channel switching device obtains current value, the current value obtained and the standard value of described mass parameter under this present channel recorded before are contrasted, this standard value can reflect the situation during optimal quality of this channel, when detecting that the difference between current value and standard value is greater than predetermined value, namely when the current Quality of channel is far away not as good as optimum quality, then can judge that this channel may be contaminated, need to carry out channel switching.
Concrete, the quantity of mass parameter can be one or more, is not limited at this.
In sum, in the channel switching method that the present embodiment provides, in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
The mode obtaining the standard value of mass parameter can have multiple, such as, this standard value can be determined according to the history value of mass parameter after switching to the first channel, accordingly, as shown in Figure 2 A, Fig. 2 A is the flow chart of a kind of channel switching method according to another exemplary embodiment, as shown in Figure 2 A, the present embodiment is applied in channel switching device with this channel switching method and illustrates, on the basis shown in Fig. 1, this channel switching method can also comprise the steps:
In step 201, the history value of described mass parameter after switching to described first channel is defined as described standard value.
Further, method according to the history value confirmed standard value of mass parameter has multiple, as a kind of embodiment, as shown in Figure 2 B, Fig. 2 B is the flow chart of a kind of channel switching method according to another exemplary embodiment, on the basis shown in Fig. 2 A, step 201 can comprise the steps:
In step 202., the initial value of mass parameter after switching to the first channel is defined as standard value.
Concrete, in present embodiment, according to the history value of mass parameter, to switch to the initial value of mass parameter after the first channel as standard value, due to when carrying out channel and switching, the channel often choosing quality the highest switches, therefore, when switching to the first channel, the initial value of mass parameter can reflect the high-quality of the first channel, therefore the standard value of it can be used as carries out reference.
As another kind of embodiment, as shown in Figure 2 C, Fig. 2 C is the flow chart of a kind of channel switching method according to another exemplary embodiment, and on the basis shown in Fig. 2 A, step 201 can comprise the steps:
In step 203, the mean value of the history value of mass parameter after switching to the first channel is defined as standard value.
Concrete, in present embodiment, in order to obtain the standard value that more accurately can reflect channel stabilised quality, according to the history value of mass parameter, to the mean value of the history value of described mass parameter after described first channel be switched to as standard value, mean value can reflect that the first channel can stablize the quality reached usually, therefore the standard value of it can be used as carries out reference.After this in the process of use first channel, channel switching device can under Preset Time obtains the first channel the current value of mass parameter, the current value obtained and the standard value recorded before are contrasted, when detecting that the difference between current value and standard value exceedes default value, then can judge that this channel may be contaminated, need to carry out channel switching.
As another kind of embodiment, as shown in Figure 2 D, Fig. 2 D is the flow chart of a kind of channel switching method according to another exemplary embodiment, and on the basis shown in Fig. 2 A, step 201 can comprise the steps:
In step 204, will switch in the history value of mass parameter after the first channel, value corresponding when channel quality is the highest is defined as standard value.
Concrete, in present embodiment, in order to obtain the standard value that can reflect most high channel quality, according to the history value of mass parameter, to switch in the history value of described mass parameter after described first channel, the value corresponding time the highest of channel quality as standard value, state when value corresponding when channel quality is the highest in history value can reflect that the first channel quality is preferably, therefore the standard value of it can be used as carries out reference.After this in the process of use first channel, channel switching device can under Preset Time obtains the first channel the current value of mass parameter, the current value obtained and the standard value recorded before are contrasted, when detecting that the difference between current value and standard value exceedes default value, then can judge that this channel may be contaminated, need to carry out channel switching.
Wherein, described mass parameter can for reflecting arbitrarily the parameter of channel quality, for example, described mass parameter can include but not limited to: the service set (ServiceSetIdentifier of channel, be called for short SSID) quantity, clear channel assessment (CCA) parameter (ClearChannelAssessment, be called for short CCA), co-channel interference parameter, adjacent frequency interference parameter etc.Concrete, the quantity of mass parameter can be one or more, is not limited at this.
In sum, in the channel switching method that the present embodiment provides, according to the history value confirmed standard value switching to mass parameter after the first channel, follow-up, use in the process of this channel, the current value of described mass parameter under this channel can be obtained, and the current value obtained and standard value are contrasted, only have when both have big difference time, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Fig. 3 is the flow chart of a kind of channel switching method according to another exemplary embodiment, as shown in Figure 3, the present embodiment is applied in terminal with this channel switching method and illustrates, on the basis shown in Fig. 1, carry out channel switching described in step 102, following several step can be comprised:
In step 301, the current value of the mass parameter of each channel is obtained;
In step 302, according to the current value of the mass parameter of each channel, from each channel, choose the highest channel of channel quality as second channel;
In step 303, second channel is switched to from the first channel.
Still be illustrated with aforesaid practical application scene:
The current value obtained and the standard value of described mass parameter under this present channel recorded before contrast by channel switching device, detect that the difference between current value and standard value exceedes default scope, after needing to carry out channel switching, can by the current value according to the mass parameter of all channels, therefrom choose the highest channel of quality, and the method switching to this channel carries out channel switching.
Optionally, for the ease of judging the trigger timing that lower secondary channel switches, in the process of switching channels in step 302, the current value of the mass parameter of this channel switched to can also be recorded, and the standard value of mass parameter as this channel, so that the channel carried out next time switches.
Wherein, described mass parameter can include but not limited to: the quantity, CCA, co-channel interference parameter, adjacent frequency interference parameter etc. of the SSID of channel.Concrete, the quantity of mass parameter can be one or more, is not limited at this.
In sum, in the channel switching method that the present embodiment provides, in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, can according to the current value of mass parameter under all channels, the channel therefrom choosing optimal quality carries out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Fig. 4 is the flow chart of a kind of channel switching method according to another exemplary embodiment, as shown in Figure 4, the present embodiment is applied in terminal with this channel switching method and illustrates, on the basis of aforementioned arbitrary execution mode, when the quantity of described mass parameter is multiple, step 102 specifically can comprise following several step:
In step 401, when the difference between the current value and corresponding standard value of multiple mass parameter is all greater than corresponding predetermined value, described second channel is switched to from described first channel.
Be illustrated with practical application scene:
When the quantity of mass parameter is multiple, during the condition that can be set as only having all mass parameters of meeting certain channel all not up to standard, can judge to need to carry out channel switching.Accordingly, the current value of each mass parameter and standard value contrast by channel switching device, when the difference detecting between the current value of all mass parameters and standard value all exceedes default scope, carry out channel switching.
Wherein, described mass parameter can include but not limited to: the quantity, CCA, co-channel interference parameter, adjacent frequency interference parameter etc. of the SSID of channel.It should be noted that, different quality parameter all can reflect the quality of channel, but concrete, the rule of different quality parameter reflection channel quality is different with strategy.Therefore, different mass parameters has the standard value corresponding with oneself respectively, and for different mass parameters, judges that whether contaminated channel predetermined value be also different.Therefore, in above-mentioned steps, difference between the current value of described multiple mass parameter and corresponding standard value is all greater than corresponding predetermined value, refer to that hypothesis is for each mass parameter, difference between the standard value that the current value of this mass parameter is corresponding with this mass parameter is all greater than predetermined value corresponding to this mass parameter, then need to switch to described second channel from described first channel.
In sum, in the channel switching method that the present embodiment provides, in the process using certain channel, the current value of multiple mass parameter under can obtaining this channel, and for each mass parameter, by the current value obtained with record corresponding standard value before and contrast, when multiple mass parameter current value and standard value differ all excessive time, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Fig. 5 is the structure chart of a kind of channel switching device according to an exemplary embodiment, and as shown in Figure 5, this channel switching device can comprise:
First acquisition module 51, is configured to the current value of the mass parameter of acquisition first channel;
Processing module 52, when the difference be configured between the current value and the standard value of mass parameter of the first acquisition module 51 acquisition is greater than predetermined value, switches to second channel from the first channel.
Concrete, channel switching device can independently be arranged, and also can arrange in the router.Be illustrated with practical application scene:
First acquisition module 51 obtains the current value of the mass parameter of the current channel used, and described mass parameter is for reflecting channel quality, and accordingly, the current value of mass parameter can reflect the current Quality of this channel; The current value that first acquisition module 51 obtains by processing module 52 contrasts with the standard value of described mass parameter under this present channel recorded before, this standard value can reflect the situation during optimal quality of this channel, when processing module 52 detects that the difference between current value and standard value is greater than predetermined value, namely when the current Quality of channel is far away not as good as optimum quality, then can judge that this channel may be contaminated, need to carry out channel switching.
Wherein, described mass parameter can for reflecting arbitrarily the parameter of channel quality, and for example, described mass parameter can include but not limited to: the quantity, CCA, co-channel interference parameter, adjacent frequency interference parameter etc. of the SSID of channel.Concrete, the quantity of mass parameter can be one or more, is not limited at this.
In sum, the channel switching device that the present embodiment provides, in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
The mode obtaining the standard value of mass parameter can have multiple, such as, this standard value can be determined according to the history value of mass parameter after switching to the first channel, accordingly, Fig. 6 A is the structure chart of a kind of channel switching device according to another exemplary embodiment, as shown in Figure 6A, on the basis shown in Fig. 5, this channel switching device can also comprise:
Configuration module 61, is configured the history value of mass parameter after switching to the first channel to be defined as standard value.
Further, method according to the history value confirmed standard value of mass parameter has multiple, as a kind of embodiment, as shown in Figure 6B, Fig. 6 B is the structure chart of a kind of channel switching device according to another exemplary embodiment, on the basis shown in Fig. 6 A, configuration module 61 can comprise:
First configuration submodule 611, is configured to the initial value of mass parameter after switching to the first channel to be defined as standard value.
Concrete, in present embodiment, first configuration submodule 611 is according to the history value of mass parameter, to switch to the initial value of mass parameter after the first channel as standard value, due to when carrying out channel and switching, the channel often choosing quality the highest switches, therefore, when switching to the first channel, the initial value of mass parameter can reflect the high-quality of the first channel, therefore the first configuration submodule 611 it can be used as standard value to carry out reference.
As another kind of embodiment, as shown in Figure 6 C, Fig. 6 C is the structure chart of a kind of channel switching device according to another exemplary embodiment, and on the basis shown in Fig. 6 A, configuration module 61 can comprise:
Second configuration submodule 612, is configured to the mean value of the history value of mass parameter after switching to the first channel to be defined as standard value.
Concrete, in present embodiment, in order to obtain the standard value that more accurately can reflect channel stabilised quality, second configuration submodule 612 is according to the history value of mass parameter, to the mean value of the history value of described mass parameter after described first channel be switched to as standard value, mean value can reflect that the first channel can stablize the quality reached usually, therefore the second configuration submodule 612 it can be used as standard value to carry out reference.After this in the process of use first channel, first acquisition module 51 can under Preset Time obtains the first channel the current value of mass parameter, the current value and second obtained is configured the standard value that submodule 612 records and contrasts by processing module 52, when detecting that the difference between current value and standard value exceedes default value, then can judge that this channel may be contaminated, need to carry out channel switching.
As another kind of embodiment, as shown in Figure 6 D, Fig. 6 D is the structure chart of a kind of channel switching device according to another exemplary embodiment, and on the basis shown in Fig. 6 A, the second configuration submodule 612 can comprise:
3rd configuration submodule 613, be configured to switch in the history value of mass parameter after the first channel, value corresponding when channel quality is the highest is defined as standard value.
Concrete, in present embodiment, in order to obtain the standard value that can reflect most high channel quality, 3rd configuration submodule 613 is according to the history value of mass parameter, to switch in the history value of described mass parameter after described first channel, the value corresponding time the highest of channel quality as standard value, state when value corresponding when channel quality is the highest in history value can reflect that the first channel quality is preferably, therefore the 3rd configuration submodule 613 it can be used as standard value to carry out reference.After this in the process of use first channel, first acquisition module 51 can under Preset Time obtains the first channel the current value of mass parameter, the current value and the 3rd obtained is configured the standard value that submodule 613 records and contrasts by processing module 52, when detecting that the difference between current value and standard value exceedes default value, then can judge that this channel may be contaminated, need to carry out channel switching.
Wherein, described mass parameter can include but not limited to: the quantity, CCA, co-channel interference parameter, adjacent frequency interference parameter etc. of the SSID of channel.Concrete, the quantity of mass parameter can be one or more, is not limited at this.
In sum, the channel switching device that the present embodiment provides, according to the history value confirmed standard value switching to mass parameter after the first channel, follow-up, use in the process of this channel, the current value of described mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, only have when both have big difference time, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Fig. 7 is the structure chart of a kind of channel switching device according to another exemplary embodiment, and as shown in Figure 7, on the basis shown in Fig. 5, processing module 52 can comprise:
Obtain submodule 521, be configured to the current value of the mass parameter obtaining each channel;
Choose submodule 522, be configured to, according to the current value of the mass parameter obtaining each channel that submodule 521 obtains, from each channel, choose the highest channel of channel quality as second channel
Switching submodule 523, is configured to switch to from the first channel the second channel chosen submodule 522 and choose.
Still be illustrated with aforesaid practical application scene:
The current value obtained and the standard value of described mass parameter under this present channel recorded before contrast by processing module 52, detect that the difference between current value and standard value exceedes default scope, after needing to carry out channel switching, obtain the current value that submodule 521 can obtain the mass parameter of each channel; Choose the current value of submodule 522 according to the mass parameter of all channels, therefrom choose the highest channel of quality as second channel, switching submodule 523 switches to second channel from the first channel.
Optionally, for the ease of judging the trigger timing that lower secondary channel switches, switching submodule 523 is in the process of switching channels, the current value of the mass parameter of this channel switched to can also be recorded, and the standard value of mass parameter as this channel, so that the channel carried out next time switches.
Wherein, described mass parameter can include but not limited to: the quantity, CCA, co-channel interference parameter, adjacent frequency interference parameter etc. of the SSID of channel.Concrete, the quantity of mass parameter can be one or more, is not limited at this.
In sum, the channel switching device that the present embodiment provides, in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, can according to the current value of mass parameter under all channels, the channel therefrom choosing optimal quality carries out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Fig. 8 is the structure chart of a kind of channel switching device according to another exemplary embodiment, and as shown in Figure 8, on the basis of aforementioned arbitrary execution mode, when the quantity of described mass parameter is multiple, processing module 52 can comprise:
Triggers module 524, when the difference be configured between the current value and corresponding standard value of multiple mass parameter is all greater than corresponding predetermined value, switches to second channel from the first channel.
Be illustrated with practical application scene:
When the quantity of mass parameter is multiple, during the condition that can be set as only having all mass parameters of meeting certain channel all not up to standard, can judge to need to carry out channel switching.Accordingly, standard value corresponding with it for the current value of each mass parameter contrasts by triggers module 524, when detecting that the current value of all mass parameters is all greater than corresponding default value with the difference between standard value, carries out channel switching.
Wherein, described mass parameter can include but not limited to: the quantity, CCA, co-channel interference parameter, adjacent frequency interference parameter etc. of the SSID of channel.
In sum, the channel switching device that the present embodiment provides, in the process using certain channel, the current value of multiple mass parameter under can obtaining this channel, and for each mass parameter, by the current value obtained to record corresponding standard value before and contrast, when multiple mass parameter current value and standard value differ all excessive time, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
The foregoing describe built-in function and the structure of terminal.
Fig. 9 is the block diagram of a kind of channel switching device according to an exemplary embodiment, and as shown in Figure 9, this channel switching device can be embodied as:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to: the current value obtaining the mass parameter of the first channel; When difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
The channel switching device that the present embodiment provides, in the process using certain channel, the current value of mass parameter under this channel can be obtained, and the current value obtained and the standard value recorded before are contrasted, when both have big difference, illustrate that this channel of current employing may be contaminated, namely need to carry out channel switching.By such scheme, channel can be realized in time and switch, ensure networking performance, and without the need to just restarting network at set intervals, avoid the problem of frequent suspension, improve networking effect and the experience of router.
Figure 10 is the block diagram of a kind of channel switching device 1000 according to an exemplary embodiment.Such as, channel switching device 1000 can be router, mobile phone, computer, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Figure 10, channel switching device 1000 can comprise with next or assembly: processing components 1002, memory 1004, electric power assembly 1006, multimedia groupware 1008, audio-frequency assembly 1010, the interface 1012 of I/O (I/O), sensor cluster 1014, and communications component 1016.
The integrated operation of the usual control channel switching device shifter 1000 of processing components 1002, such as with display, call, data communication, camera operation and record operate the operation be associated.Processing components 1002 can comprise one or processor 1020 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 1002 can comprise one or module, and what be convenient between processing components 1002 and other assemblies is mutual.Such as, processing components 1002 can comprise multi-media module, mutual with what facilitate between multimedia groupware 1008 and processing components 1002.
Memory 1004 is configured to store various types of data to be supported in the operation of channel switching device 1000.The example of these data comprises for any application program of operation on channel switching device 1000 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 1004 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
The various assemblies that electric power assembly 1006 is channel switching device 1000 provide electric power.Electric power assembly 1006 can comprise power-supply management system, one or power supply, and other and the assembly generating, manage and distribute electric power for channel switching device 1000 and be associated.
Multimedia groupware 1008 is included in the screen providing an output interface between described channel switching device 1000 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 1008 comprises a front-facing camera and/or post-positioned pick-up head.When channel switching device 1000 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 1010 is configured to export and/or input audio signal.Such as, audio-frequency assembly 1010 comprises a microphone (MIC), and when channel switching device 1000 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 1004 further or be sent via communications component 1016.In certain embodiments, audio-frequency assembly 1010 also comprises a loud speaker, for output audio signal.
I/O interface 1012 is for providing interface between processing components 1002 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 1014 comprises one or transducer, for providing the state estimation of various aspects for channel switching device 1000.Such as, sensor cluster 1014 can detect the opening/closing state of channel switching device 1000, the relative positioning of assembly, such as described assembly is display and the keypad of channel switching device 1000, the position that sensor cluster 1014 can also detect channel switching device 1000 or channel switching device 1000 assemblies changes, the presence or absence that user contacts with channel switching device 1000, the variations in temperature of channel switching device 1000 orientation or acceleration/deceleration and channel switching device 1000.Sensor cluster 1014 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 1014 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 1014 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 1016 is configured to the communication being convenient to wired or wireless mode between channel switching device 1000 and other equipment.Channel switching device 1000 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 1016 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communications component 1016 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, channel switching device 1000 can be realized, for performing said method by one or application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 1004 of instruction, above-mentioned instruction can perform said method by the processor 1020 of channel switching device 1000.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD ?ROM, tape, floppy disk and optical data storage devices etc.
A kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is performed by the processor of terminal, make terminal can perform a kind of channel switching method, described method comprises:
Obtain the current value of the mass parameter of the first channel;
When difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of foregoing description device, can with reference to the corresponding process in preceding method embodiment.
Those skilled in the art, at consideration specification and after putting into practice invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (17)
1. a channel switching method, is characterized in that, comprising:
Obtain the current value of the mass parameter of the first channel;
When difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
2. method according to claim 1, is characterized in that, described method also comprises:
The history value of described mass parameter after switching to described first channel is defined as described standard value.
3. method according to claim 2, is characterized in that, described the history value of described mass parameter after switching to described first channel is defined as described standard value, comprising:
The initial value of described mass parameter after switching to described first channel is defined as described standard value.
4. method according to claim 2, is characterized in that, described the history value of described mass parameter after switching to described first channel is defined as described standard value, comprising:
The mean value of the history value of described mass parameter after switching to described first channel is defined as described standard value.
5. method according to claim 2, is characterized in that, described the history value of described mass parameter after switching to described first channel is defined as described standard value, comprising:
To switch in the history value of described mass parameter after described first channel, value corresponding when channel quality is the highest is defined as described standard value.
6. method according to claim 1, is characterized in that, describedly switches to second channel from described first channel, comprising:
Obtain the current value of the mass parameter of each channel;
According to the current value of the mass parameter of described each channel, from described each channel, choose the highest channel of channel quality as described second channel;
Described second channel is switched to from described first channel.
7. method according to any one of claim 1 to 6, is characterized in that, described mass parameter comprises: at least one in the quantity of the service set SSID of channel, clear channel assessment (CCA) parameter CCA, co-channel interference parameter and adjacent frequency interference parameter.
8. method according to claim 7, is characterized in that, the quantity of described mass parameter is multiple;
When described difference between described current value and the standard value of described mass parameter is greater than predetermined value, switches to second channel from described first channel, comprising:
When difference between the current value and corresponding standard value of multiple mass parameter is all greater than corresponding predetermined value, switch to described second channel from described first channel.
9. a channel switching device, is characterized in that, comprising:
First acquisition module, is configured to the current value of the mass parameter of acquisition first channel;
Processing module, when the difference be configured between the current value and the standard value of described mass parameter of described first acquisition module acquisition is greater than predetermined value, switches to second channel from described first channel.
10. device according to claim 8, is characterized in that, described device also comprises:
Configuration module, is configured to the history value of described mass parameter after switching to described first channel to be defined as described standard value.
11. devices according to claim 10, is characterized in that, described configuration module comprises:
First configuration submodule, is configured to the initial value of described mass parameter after switching to described first channel to be defined as described standard value.
12. devices according to claim 10, is characterized in that, described configuration module comprises:
Second configuration submodule, is configured to the mean value of the history value of described mass parameter after switching to described first channel to be defined as described standard value.
13. devices according to claim 10, is characterized in that, described configuration module comprises:
3rd configuration submodule, be configured to switch in the history value of described mass parameter after described first channel, value corresponding when channel quality is the highest is defined as described standard value.
14. devices according to claim 9, is characterized in that, described processing module comprises:
Obtain submodule, be configured to the current value of the mass parameter obtaining each channel;
Choose submodule, be configured to the current value of the mass parameter of each channel obtained according to described acquisition submodule, from described each channel, choose the highest channel of channel quality as described second channel;
Switching submodule, is configured to choose described in switching to from described first channel the described second channel that submodule is chosen.
15. according to claim 9 ?device according to any one of 14, it is characterized in that, described mass parameter comprises: the quantity of the service set SSID of channel, clear channel assessment (CCA) parameter CCA, co-channel interference parameter or adjacent frequency interference parameter.
16. devices according to claim 15, is characterized in that, the quantity of described mass parameter is multiple, and described processing module comprises:
Triggers module, when the difference be configured between the current value and corresponding standard value of multiple mass parameter is all greater than corresponding predetermined value, switches to described second channel from described first channel.
17. 1 kinds of channel switching devices, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to: the current value obtaining the mass parameter of the first channel; When difference between described current value and the standard value of described mass parameter is greater than predetermined value, switch to second channel from described first channel.
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