CN108712778B - Channel selection method and related product - Google Patents
Channel selection method and related product Download PDFInfo
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- CN108712778B CN108712778B CN201810404004.4A CN201810404004A CN108712778B CN 108712778 B CN108712778 B CN 108712778B CN 201810404004 A CN201810404004 A CN 201810404004A CN 108712778 B CN108712778 B CN 108712778B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
Abstract
The embodiment of the application discloses a channel selection method and a related product, wherein the method is applied to a terminal and comprises the following steps: a terminal acquires parameter values of N channels, wherein N is an integer greater than or equal to 1; the terminal determines the channel grade of each channel in the N channels according to the parameter values; and the terminal determines a target channel in the N channels according to the channel level and sends a first channel adjusting command to a wireless Access Point (AP), wherein the first channel adjusting command is used for indicating the AP to adjust a working channel to the target channel. The embodiment of the application is beneficial to improving the network performance of the AP.
Description
Technical Field
The present application relates to the field of communications and electronics, and in particular, to a channel selection method and related products.
Background
Nowadays, wireless routers are increasingly popular in home environments, and almost all households have one wireless router. A typical wireless router has an effective transmission distance of 50-100 meters. Therefore, in a modern dense living environment, the coverage areas of the wireless routers among different residents are crossed with each other, and the data transmission is interfered with each other.
Currently, for a user, the channel of a wireless router is generally set in the following two ways: (1) When the wireless router is installed, the function of automatically selecting channels is started, and the wireless router automatically screens out an optimal channel and accesses the optimal channel; (2) A WIFI (WIFI Fidelity, short for WIFI) analyzer is installed on a mobile phone, an optimal channel in surrounding channels is determined, and then a working channel of a wireless router is manually set to be the optimal channel. The two channel setting modes are single, cannot cope with complex and variable network environments, and are poor in user experience.
Content of application
The embodiment of the application provides a channel selection method and a related product, which control a wireless access point to access a channel with the highest channel grade and improve the network performance of the wireless access point.
In a first aspect, an embodiment of the present application provides a channel selection method, including:
a terminal acquires parameter values of N channels, wherein N is an integer greater than or equal to 1;
the terminal determines the channel grade of each channel in the N channels according to the parameter values;
and the terminal determines a target channel in the N channels according to the channel level and sends a first channel adjusting command to the wireless access point AP, wherein the first channel adjusting command is used for indicating the wireless access point AP to adjust a working channel to the target channel.
In a second aspect, an embodiment of the present application provides a terminal for channel selection, including:
an obtaining unit, configured to obtain parameter values of N channels, where N is an integer greater than or equal to 1;
the processing unit is used for determining the channel grade of each channel in the N channels according to the parameter values and determining a target channel in the N channels according to the channel grade;
the processing unit is further configured to send a first channel adjustment command to a wireless access point AP, where the first channel adjustment command is used to instruct the AP to adjust a working channel to the target channel.
In a third aspect, embodiments of the present application provide a terminal, including one or more processors, one or more memories, one or more transceivers, and one or more programs stored in the memories and configured to be executed by the one or more processors, the programs including instructions for performing the steps in the method according to the first aspect.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to execute the method according to the first aspect.
In a fifth aspect, embodiments of the present application provide a computer program product comprising a non-transitory computer-readable storage medium storing a computer program, the computer being operable to cause a computer to perform the method according to the first aspect.
The embodiment of the application has the following beneficial effects:
it can be seen that, in the present application, first, parameter values of multiple channels are obtained, a channel level of each channel is determined according to the parameter value of each channel, a target channel is determined according to the channel level, a channel adjustment command is sent to the AP, and the AP is instructed to adjust a working channel to the target channel, thereby providing a high-speed network service for the terminal and improving user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario of a wireless access point;
fig. 2 is a schematic flowchart of a channel selection method according to an embodiment of the present application;
fig. 2a is a schematic flowchart of determining a channel rank of a channel 1 according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of another channel selection method provided in an embodiment of the present application;
fig. 4 is a schematic flowchart of another channel selection method provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a terminal disclosed in an embodiment of the present application;
fig. 6 is a block diagram illustrating functional units of a terminal according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a smart phone disclosed in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different elements and not for describing a particular sequential order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, result, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The terminal according to the embodiments of the present application may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, and various forms of User Equipment (UE), mobile Stations (MS), terminal devices (terminal device), and the like. For convenience of description, the above-mentioned devices are collectively referred to as a terminal. The operating system related to the embodiment of the invention is a software system which performs unified management on hardware resources and provides a service interface for a user.
Hereinafter, some terms in the present application are explained to facilitate understanding by those skilled in the art.
The channel index is used to measure the allocation status of the channel resource, for example, the larger the channel index corresponding to the number of channel slots is, the more time slots of the channel are indicated, and the larger the channel index corresponding to the received signal strength indication value is, the stronger the transmission signal is and the data is not easy to be attenuated when the channel is used to transmit data. Each channel indicator for a channel corresponds to a single score for that channel, and the sum of the channel indicators is the total score for that channel. In the present application, the score of the channel index corresponding to each parameter value is set to be 10 at most, but the specific score value is not limited.
And the buffer memory is used for buffering the flow value required by the video.
At present, due to dense living environments and the increase of the number of Access Points (APs), coverage areas of a plurality of APs are crossed with each other, and interfere with each other when transmitting data. The interference is divided into co-channel interference and adjacent channel interference, and if the co-channel interference is too strong, other APs in the co-channel cannot transmit data. Referring to fig. 1, fig. 1 is a schematic view of an application scenario of an AP, where fig. 1 illustrates the AP 1 、AP 2 And AP 3 Three APs are specifically illustrated as examples. Wherein the circular area represents the range of the local area network created by each AP, A 1 The area is AP 1 And AP 3 Cross-over area of coverage, A 2 The area is AP 1 And AP 2 Cross-over area of coverage, A 3 The area is AP 1 、AP 2 With AP 3 The cross area of the coverage of the three. It will be appreciated that if the AP were to be implemented 1 、AP 2 And AP 3 When the terminal and the terminal all use the same channel to transmit data, the terminal is in A 1 Region, A 2 Region or A 3 When data is transmitted in a region, due to limited resources of a channel, the AP 1 、AP 2 And AP 3 Meanwhile, when data is transmitted, contention occurs, so that a certain AP cannot allocate channel resources, data transmission fails, and even a certain AP interferes with other APs in the same channel, thereby causing data transmission errors. Therefore, when the number of other APs around the user AP is greater than the threshold, how to set the working channel of the user AP is an important factor for improving the performance of the AP network. Currently, most users set the AP to be an automatic access channel, or download the WIFI analyzer, push it according to the WIFI analyzerLogging in 192.168.1.1 website for identity verification, and manually adjusting the working channel of the AP to the optimal channel after the identity authentication is passed. However, in the two methods, only the number of APs in the channel is considered when determining the optimal channel, and whether the APs accessing the channel are all working is not detected, which may cause misjudgment and neglect the optimal channel. For example, the number of APs in channel 1 is relatively large, but most APs are in an idle state, and do not preempt channel resources, and it may be misjudged that channel 1 is not the optimal channel. Therefore, the two ways of determining the optimal channel are relatively single, and cannot cope with complicated and variable network environments.
In view of the above technical problem, the following solutions are proposed, which will be described in detail with reference to the accompanying drawings.
Referring first to fig. 2, fig. 2 is a schematic flowchart of a channel selection method provided in an embodiment of the present application, where the method is applied to a terminal, and the method includes:
step S201, a terminal obtains parameter values of N channels, wherein N is an integer greater than or equal to 1.
Wherein, the N channels refer to 13 channels of the 2.4GHZ band and 23 channels of the 5GHZ band.
Wherein the parameter values of each channel may include the following five parameter values: the number of channel slots (Slot Count), the number of frame Check sequences FCS (short for FCS), the number of random Access preambles (Preamble), the number of Medium Access Control Protocol Data units MPDU (short for MPDU), and the Received Signal Strength Indication value RSSI (Received Signal Strength Indication, RSSI), which are used in this application as examples to specifically describe the above five parameter values, but are not limited to the types and the number of the parameter values.
Optionally, the obtaining parameter values of N channels includes: the terminal broadcasts a Probe Request on each channel in sequence, wherein the Probe Request carries identification information of the parameter values, and the identification information is used for requesting each channel to report the parameter values; the terminal stays in each channel for a preset time period, and receives a Probe Answer fed back by the AP on each channel, wherein the Probe Answer carries specific numerical values of parameter values. It can be understood that, if the AP does not include the parameter value in the channel, the value of the parameter value in the Probe Answer fed back is zero; and the terminal analyzes the Probe Answer fed back on each channel to obtain the parameter value of each channel.
Wherein the preset time period may be 10ms, 20ms, 30ms or other values.
And step S202, the terminal determines the channel grade of each channel in the N channels according to the parameter values.
Optionally, the following steps are executed for any channel terminal in the N channels:
the terminal firstly determines a first interval corresponding to each parameter value of a channel; determining a channel index corresponding to each parameter value of the channel according to the mapping relation between the first interval and the channel index, wherein the parameter values correspond to the channel indexes one to one; adding the channel indexes corresponding to each parameter value of the channel to obtain the sum of the channel indexes of the channel; determining a second interval corresponding to the sum of the channel indexes of the channel; and determining the channel grade of the channel according to the mapping relation between the second interval and the channel grade.
Referring to fig. 2a, fig. 2a is a schematic flowchart illustrating a process of determining a channel level of a channel 1 in a 2.4GHZ band, and the process of determining a channel level of another channel is specifically referred to fig. 2a and will not be described in detail.
For example, the channel rank may be set to 4 criteria of high, medium, low and difference, where the 4 channel ranks correspond to the intervals of [50, 40), [40, 30), [30, 20) and [20,0], respectively, as shown in fig. 2a, the channel rank of channel 1 is determined to be high, such as W1=9, W2=8, W3=7, W4=8, W5=10, W1+ W2+ W3+ W4+ W5=42, the sum of the channel indexes of channel 1 is determined to correspond to the interval [50, 40 ].
Step S203, the terminal determines a target channel of the N channels according to the channel level, and sends a first channel adjustment command to a wireless access point AP, where the first channel adjustment command is used to instruct the AP to adjust a working channel to the target channel.
The terminal and the AP have a binding relationship, namely the terminal has the administrator authority of the AP, and the working channel of the AP can be modified. At the present stage, 192.168.1.1 websites need to be logged in for modifying the AP working channel, after the administrator passes the authentication, the channel is selected on a terminal interface, and the AP takes the channel selected by the user as the working channel.
Optionally, the channel with the highest channel rank corresponding to each of the 2.4GHZ frequency band and the 5GHZ frequency band is screened out according to the channel rank, and the channel with the highest channel rank is determined as the target channel of the two frequency bands.
Further, if the number of channels with the highest channel level is multiple, the terminal obtains the error rate of the channel with the highest channel level, and determines the channel with the smallest error rate as the target channel, where the specific manner of obtaining the error rate of the channel may include: the terminal instructs the AP to randomly select a channel from the channels with the highest channel grade as a working channel, when the terminal and the AP transmit data, the error rate of the channel is obtained, then, a channel is randomly selected from the rest channels with the highest channel grade as the working channel, and the error rate is obtained until the error rates of the channels with the highest channel grades are obtained; of course, the error rates of the multiple channels with the highest channel level may also be sequentially obtained in the order from large to small or from small to large according to the sum of the channel indexes of the channels with the highest channel level.
Optionally, the specific manner of obtaining the channel error rate may include: when transmitting data, a terminal receives and stores first coded data transmitted by an AP through a first channel; the terminal performs error correction decoding operation on the first coded data; when the error correction decoding of the first coded data is successful, the terminal obtains first information source data, and reversely codes the first information source data to obtain second coded data; and the terminal determines the error rate of the first channel according to the first coded data and the second coded data.
Further, the channel with the minimum error rate in the channels with the highest channel level is determined as the target channel.
Optionally, after the target channel is determined, the target channel is displayed to a user through a touch display screen, so that the user can manually adjust the working channel of the AP to the target channel; in the technical scheme of the application, after the target channel is determined, the terminal sends a channel adjustment command to the AP to instruct the AP to adjust the working channel to the target channel.
For example, if the terminal is connected with the 2.4GHZ band of the AP, if the AP determines that the target channel is the channel 1 of the 2.4GHZ band, after verifying that the terminal is a terminal with administrator authority, the AP receives a channel adjustment command sent by the terminal, identifies that the target channel is the channel 1 from the channel adjustment command, and automatically adjusts the working channel to the channel 1, thereby solving the trouble of manually adjusting the working channel of the AP. Of course, if the current working channel of the AP is channel 1, the AP will not adjust the working channel, and may feed back a channel adjustment result to the terminal, where the channel adjustment result is used to prompt the user that the AP has worked on channel 1, whether to switch to the LTE network, or prompt the user to adjust the distance from the AP.
The method has the advantages that the terminal obtains parameter values of N channels, determines the allocation state of resources of each channel according to the parameter values, eliminates idle AP and non-AP interference factors in the channels when determining the allocation state of the channel resources according to the channel parameter values, accurately determines a target channel, sends a channel adjustment instruction, and indicates the AP to adjust a working channel to the target channel, so that the trouble of manually adjusting the AP working channel is solved, and the user experience is improved; and if the number of the channels with the highest channel level is multiple, acquiring the error rates of the channels with the highest channel levels, determining the channel with the minimum error rate as a target channel, and selecting the channel with the most stable transmission data from the channels with the highest channel levels as the target channel by acquiring the error rates, so that the network performance of the AP is further improved, and the user experience is improved.
Referring to fig. 3, fig. 3 is a schematic flowchart of another channel selection method provided in the embodiment of the present application, where the method is applied to a terminal, and the method includes:
step S301, when data is transmitted, if the Ping value is detected to be larger than the preset threshold value, the terminal sends a channel detection Request Probe Request.
Optionally, a one-touch-up mode may also be set, and the user may control the terminal to send the channel Probe Request at any time through touch operation.
The Ping value refers to the time when the terminal sends data to the AP for feeding back the data, that is, the terminal sends an Internet Control Message Protocol (ICMP) request to the AP, when the AP cannot forward a data packet according to the current transmission rate, the ICMP response Message is automatically fed back, the ICMP response Message carries the response time from the start of receiving the ICMP request to the feedback of the ICMP response Message, and the terminal analyzes the ICMP response Message to obtain the current Ping value. Therefore, a higher Ping value indicates a longer time for the AP to reply to the data, a longer delay, and a smaller transmission rate between the AP and the terminal.
The preset threshold may be 60ms, 80ms, 100ms, or other values.
Step S302, the terminal receives the Probe Answer fed back by each channel, and analyzes the Probe Answer to obtain the parameter value of each channel.
Step S303, the terminal determines the channel grade of each channel in the N channels according to the parameter values.
Step S304, the terminal determines a target channel in the N channels according to the channel level, and sends a channel adjustment command to a wireless Access Point (AP), wherein the channel adjustment command is used for instructing the AP to adjust a working channel to the target channel.
Optionally, when there are multiple channels with the highest channel rank, because the Slot Count and the FCS number are main parameters for determining whether there are idle resources in the channel, by comparing the Slot Count and the FCS number in the multiple channels with the highest channel rank, a channel with a relatively smaller Slot Count and FCS number is selected from the channels with the highest channel rank as the target channel.
Step S305, the terminal obtains a first transmission rate and a second transmission rate, and if the first transmission rate is smaller than the second transmission rate, determines a difference between the second transmission rate and the first transmission rate, where the first transmission rate is a transmission rate allocated by the AP, and the second transmission rate is a transmission rate required by the terminal.
Optionally, after the AP adjusts the working channel to the target channel, the first transmission rate is obtained, and if the first transmission rate is still less than the second transmission rate, it is likely that the number of devices connected to the AP is too large, resulting in less channel resources allocated to the terminal.
Step S306, the terminal determines a first time-frequency resource needing to be added according to the difference value, and sends a bandwidth adjusting instruction to the AP, wherein the bandwidth adjusting instruction is used for instructing the AP to adjust the time-frequency resource of the terminal according to the first time-frequency resource.
In the prior art, in order to achieve that a plurality of terminal devices do not generate interference when transmitting data with an AP, the AP generally transmits data in a time division multiplexing or frequency division multiplexing manner. The present application specifically describes a mode of frequency division multiplexing as an example.
Optionally, the terminal determines a first frequency resource that needs to be added according to the difference, and sends a bandwidth adjustment instruction to the AP, where the bandwidth adjustment instruction carries an IP address including the terminal, the AP searches for a second frequency resource corresponding to the IP address in a target channel according to the IP address, and adjusts the second frequency resource to a third frequency resource according to the bandwidth adjustment instruction, where the third frequency resource = the first frequency resource + the second frequency resource, it can be understood that, when the frequency resource of the terminal is added to the second frequency resource, if there is no idle frequency resource in the target channel, the first frequency resource needs to be reduced corresponding to the frequency resource of another terminal, otherwise, frequency overlapping will occur, and interference is caused when data is transmitted.
For example, if the frequency band allocated by the AP to the terminal in the target channel is f1 to f2 and the first transmission rate is V, the transmission rate of the unit frequency band is defined as V/(f 2-f 1), and if the difference Δ V between the second transmission rate and the first transmission rate is, it is determined that the frequency band resource that the AP needs to add to the terminal is Δ W =Δv (f 2-f 1)/V, the terminal sends a bandwidth adjustment instruction to instruct the AP to query the frequency band f1 to f2 corresponding to the terminal, and adjusts the frequency band f1 to f2 to f1 to (f 2+ Δw).
Wherein reducing the frequency bands of other access terminals may include: and (3) carrying out priority sorting on the terminals connected with the AP, and reducing the frequency band of the terminals with low priority (such as an intelligent television, an intelligent refrigerator and the like) by delta W.
Further, when the first transmission rate is detected to be greater than or equal to the second transmission rate, the first frequency band Δ W added by the terminal is cancelled, the limitation on the frequency bands of other terminals is removed, when the AP adopts a time division multiplexing mode, the time length required to be added is determined first, the determination method is similar to the frequency domain, and detailed description is omitted.
It can be seen that when the terminal detects that the Ping value is greater than the preset threshold, the terminal automatically searches and determines the channel level of the surrounding channel, determines the target channel according to the channel level, and instructs the AP to adjust the working channel to the target channel, thereby improving the network performance of the AP and effectively solving the network blockage problem. And after the working channel is adjusted to the target channel by the AP, the transmission requirement of the terminal is not met, the allocation of AP channel resources is adjusted, and more channel resources are allocated to the terminal, so that the problem of network blockage can be further solved under the condition that the bandwidth of the AP and an operator server is not increased, and the user experience is improved.
Referring to fig. 4, fig. 4 is a flowchart illustrating another channel selection method provided in the embodiment of the present application, where the method is applied to a terminal, and the method includes:
step S401, the terminal extracts the current application, and if the current application is a video application, a first target channel is obtained, wherein the first target channel is a target channel of the current position.
Optionally, in a specific scenario, the target channels of a plurality of set positions (e.g., bedrooms and living rooms) may be determined in advance, the set positions and the target channels are stored correspondingly, and the target channels of the set positions are directly obtained according to the mapping relationship when the scene recognition module monitors that the terminal is located at the set positions. The target channel with the set position can be determined in real time by adopting the method for determining the target channel.
Step S402, the terminal sends a second channel adjustment command to the AP, where the second channel adjustment command is used to instruct the AP to adjust a first working channel to the first target channel, and the first working channel is the current working channel of the AP.
And S403, the terminal determines the playing habit according to the historical playing record.
The terminal extracts a play record in the video application, inquires the watching duration of the video and the total duration of the video, if the watching duration is less than the total duration, determines that a user has a habit of dragging to play or accelerating to play the video, inquires the number of videos abnormally played (namely dragging to play or accelerating to play) in the video application, and determines the play habit of the user when watching the video through big data analysis.
Step S404, if a dragging play habit or an accelerating play habit exists, the terminal sends a channel keeping command to instruct the AP to keep the first target channel.
Step S405, if the dragging playing habit and the acceleration playing habit do not exist, when the playing video of the video application is played to the moment T1, a third channel adjusting command is sent to the AP, and the third channel adjusting command is used for indicating the AP to adjust the working channel to the first working channel.
Wherein the content of the first and second substances,
the V1 is a downlink transmission rate of the first target channel, the V2 is a downlink transmission rate of the first working channel, the T is a total duration of a played video of the video application, and the played video is a video being played by the video application; the T0 is the playing time of the playing video, namely the time displayed on the playing progress bar when the playing video is clicked to play; and W is a buffer memory from the T0 to the T of the playing video, namely a flow value required for viewing T from the T0 under the current video format (definition).
For example, if the user is watching video "XX" in ultraclean format, the total duration of the video T =2 hours, the total buffer memory of the video is 2GB, if the user is looking for 1 hour, i.e., T0=1 hour, W =1GB, e.g., V1=0.5M/S, V2=0.25M/S, then T1=4096 seconds ≈ 1.14 hours can be obtained, so when the video is played to 1.14 hours, the AP is instructed to adjust the working channel to the first working channel.
Therefore, when watching the video, the AP is instructed to adjust the working channel to the first target channel of the current position, so that the high-speed downlink transmission rate is obtained, the buffering time length during video playing is shortened, and the user experience is improved. However, the high-speed downlink transmission rate is always maintained, and the power consumption is high and the electric quantity consumption is high. Therefore, after the high-speed downlink transmission rate is adopted for buffering for a period of time, the working channel is adjusted to be the first common working channel. Therefore, the technical scheme of the application not only saves the buffering time of the video, but also reduces the power consumption and improves the user experience when the video is normally watched.
The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It is understood that the terminal includes corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above-described functions. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the terminal may be divided into the functional units according to the method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that, in the embodiment of the present application, the division of the unit is schematic, and is only one logic function division, and when the actual implementation is realized, another division manner may be provided.
In accordance with the embodiments shown in fig. 2, fig. 3, and fig. 4, please refer to fig. 5, fig. 5 is a schematic structural diagram of a terminal 500 provided in an embodiment of the present application, where the terminal 500 includes a touch display screen, a WIFI processing module, and as shown in fig. 5, the terminal 500 includes a processor, a memory, a communication interface, and one or more programs, where the one or more programs are different from the one or more application programs, and the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for performing the following steps;
in a first aspect, an embodiment of the present application provides a channel selection method, including:
a terminal acquires parameter values of N channels, wherein N is an integer greater than or equal to 1;
the terminal determines the channel grade of each channel in the N channels according to the parameter values;
and the terminal determines a target channel in the N channels according to the channel grade and sends a first channel adjusting command to the wireless access point AP, wherein the first channel adjusting command is used for indicating the wireless access point AP to adjust a working channel to the target channel.
The method and the device have the advantages that the terminal obtains parameter values of N channels, the distribution state of the channel resources of each channel is determined through the parameter values, idle AP and non-AP interference factors in the channels are eliminated when the distribution state of the channel resources is determined through the channel parameter values, the target channel is accurately determined, the channel adjusting instruction is sent, the AP is instructed to adjust the working channel to the target channel, the trouble of manually adjusting the AP working channel is solved, and user experience is improved.
In one possible example, the instructions in the above program are specifically configured to, in determining a channel level for each of the N channels based on the parameter values, perform the following operations: performing the following steps for any one of the N channels: if the channel comprises a plurality of parameter values, determining an interval corresponding to each parameter value of the channel; determining a channel index corresponding to each parameter value of the channel according to the mapping relation between the interval and the channel index; adding the channel indexes corresponding to each parameter value of the channel to obtain the sum of the channel indexes of the channel, and determining the channel grade of the channel according to the sum of the channel indexes of the channel.
In one possible example, in determining the target channel based on the channel rank, the instructions in the above program are specifically configured to: and determining the channel with the highest channel grade as the target channel.
In one possible example, in determining the target channel based on the channel rank, the instructions in the above program are further operable to: if the number of the channels with the highest channel grade is multiple, obtaining the error rate of the channel with the highest channel grade, and determining the channel with the minimum error rate as the target channel.
In one possible example, in determining the target channel according to the channel rank, the instructions in the program may be further configured to: extracting a current application, if the current application is a video application, acquiring a first target channel, and sending a second channel adjustment command to the AP, where the second channel adjustment command is used to instruct the AP to adjust a first working channel to the first target channel, the first target channel is a target channel at a current position, the first working channel is the current working channel of the AP, and when a playing video of the video application is played to a time T1, sending a third channel adjustment command to the AP, and the third channel adjustment command is used to instruct the AP to adjust the working channel to the first working channel.
In a possible example, after determining the target channel according to the channel level and sending the channel adjustment command, the instructions in the program are further configured to: acquiring a first transmission rate and a second transmission rate, and if the first transmission rate is smaller than the second transmission rate, determining a difference between the second transmission rate and the first transmission rate, where the first transmission rate is a transmission rate allocated by the AP, and the second transmission rate is a transmission rate required by the terminal 500; and determining a first time-frequency resource needing to be increased according to the difference value, and sending a bandwidth adjusting instruction to the AP, wherein the bandwidth adjusting instruction is used for indicating the AP to adjust the time-frequency resource of the terminal according to the first time-frequency resource.
Referring to fig. 6, fig. 6 is a block diagram illustrating a possible functional unit composition of the channel selection terminal 600 according to the above embodiment, where the terminal 600 includes an obtaining unit 610 and a processing unit 620, where the processing unit 620 includes: an extraction unit 621, a determination unit 622, a transmission unit 623;
the acquiring unit 610 is configured to acquire parameter values of N channels, where N is an integer greater than or equal to 1;
a determining unit 622, configured to determine a channel level of each of the N channels according to the parameter value, and determine a target channel of the N channels according to the channel level;
a sending unit 623, configured to send a channel first adjustment command to a wireless access point AP, where the channel first adjustment command is used to instruct the AP to adjust a working channel to the target channel.
In one possible example, in determining the channel level of each of the N channels, the determining unit 622 is specifically configured to perform the following steps for any one of the N channels: if the channel comprises a plurality of parameter values, determining an interval corresponding to each parameter value of the channel, determining a channel index corresponding to each parameter value of the channel according to the mapping relation between the intervals and the channel indexes, adding the channel indexes corresponding to each parameter value of the channel to obtain the sum of the channel indexes of the channel, and determining the channel grade of the channel according to the sum of the channel indexes of the channel.
In one possible example, in determining the target channel according to the channel rank, the determining unit 622 is further configured to determine the channel with the highest channel rank as the target channel.
In one possible example, in terms of determining the target channel according to the channel level, the determining unit 622 is configured to, if the number of the channels with the highest channel level is multiple, obtain the error rate of the channel with the highest channel level, and determine the channel with the smallest error rate as the target channel.
In a possible example, the extracting unit 621 is configured to extract a current application, and if the current application is a video application, obtain a first target channel, and send a second channel adjustment command to the AP, where the second channel adjustment command is used to instruct the AP to adjust a first working channel to the first target channel, the first target channel is a target channel of a current location, the first working channel is a current working channel of the AP, and when a playing video of the video application is played to a time T1, a third channel adjustment command is sent to the AP, and the third channel adjustment command is used to instruct the AP to adjust a working channel to the first working channel.
In a possible example, the extracting unit 621 is further configured to obtain a first transmission rate and a second transmission rate by the terminal, the determining unit 622 is configured to determine a difference between the second transmission rate and the first transmission rate if the first transmission rate is smaller than the second transmission rate, and determine a first time-frequency resource that needs to be added according to the difference, where the first transmission rate is a transmission rate allocated to the AP, and the second transmission rate is a transmission rate required by the terminal, and the sending unit 623 is configured to send a bandwidth adjusting instruction, where the bandwidth adjusting instruction is used to instruct the AP to adjust the time-frequency resource of the terminal according to the first time-frequency resource.
Referring to fig. 7, fig. 7 is a block diagram illustrating a partial structure of a mobile phone related to a terminal provided in an embodiment of the present application. Referring to fig. 7, the handset includes: radio Frequency (RF) circuit 710, memory 720, input unit 730, sensor 750, audio circuit 760, WIFI module 770, application processor 780, and power supply 790. Those skilled in the art will appreciate that the handset configuration shown in fig. 7 is not intended to be limiting and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 7:
the input unit 730 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. Specifically, the input unit 730 may include a touch display screen 733, a fingerprint recognition device 731, a face recognition device 734, an iris recognition device 735, and other input devices 732. In particular, other input devices 732 may include, but are not limited to, one or more of physical keys, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The application processor 780 is configured to obtain parameter values of N channels, where N is an integer greater than or equal to 1, determine a channel level of each of the N channels according to the parameter values, determine a target channel of the N channels according to the channel levels, and send a first channel adjustment command to a wireless access point AP, where the first channel adjustment command is used to instruct the AP to adjust a working channel to the target channel.
Optionally, in terms of determining the channel grade of each of the N channels according to the parameter value, the application processor 780 is specifically configured to perform the following steps for any one of the N channels: if the channel comprises a plurality of parameter values, determining an interval corresponding to each parameter value of the channel, determining a channel index corresponding to each parameter value of the channel according to the mapping relation between the intervals and the channel indexes, adding the channel indexes corresponding to each parameter value of the channel to obtain the sum of the channel indexes of the channel, and determining the channel grade of the channel according to the sum of the channel indexes of the channel.
Optionally, in an aspect of determining a target channel according to the channel rank, the processor 780 is specifically configured to determine that a channel with the highest channel rank is the target channel.
Optionally, in the aspect of determining the target channel according to the channel level, the application processor 780 is specifically configured to, if the number of the channels with the highest channel level is multiple, obtain the error rate of the channel with the highest channel level, and determine the channel with the smallest error rate as the target channel.
Optionally, the application processor 780 is further configured to extract a current application, obtain a first target channel and send a second channel adjustment command to the AP, where the second channel adjustment command is used to instruct the AP to adjust a first working channel to the first target channel, the first target channel is a target channel at a current position, the first working channel is a current working channel of the AP, and send a third channel adjustment command to the AP when a playing video of the video application is played to a time T1, and the third channel adjustment command is used to instruct the AP to adjust a working channel to the first working channel.
Optionally, the application processor 780 is further configured to obtain a first transmission rate and a second transmission rate, and if the first transmission rate is smaller than the second transmission rate, determine a difference between the second transmission rate and the first transmission rate, where the first transmission rate is a transmission rate allocated by the AP, and the second transmission rate is a transmission rate required by the terminal; and determining a first time-frequency resource needing to be added according to the difference, and sending a bandwidth adjusting instruction, wherein the bandwidth adjusting instruction is used for instructing the AP to adjust the time-frequency resource of the terminal according to the first time-frequency resource.
The application processor 780 is a control center of the mobile phone, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 720 and calling data stored in the memory 720, thereby integrally monitoring the mobile phone. Optionally, the applications processor 780 may include one or more processing units.
Further, memory 720 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The RF circuitry 710 may be used for the reception and transmission of information. In general, RF circuit 710 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 710 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), general Packet Radio Service (GPRS), code Division Multiple Access (CDMA), wideband Code Division Multiple Access (WCDMA), long Term Evolution (LTE), email, short Message Service (SMS), etc.
The handset may also include at least one sensor 750, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the touch display screen according to the brightness of ambient light, and the proximity sensor may turn off the touch display screen and/or the backlight when the mobile phone moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the gesture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
WIFI belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send electronic mails, browse webpages, access streaming media and the like through the WIFI module 770, and provides wireless broadband internet access for the user. Although fig. 7 shows the WIFI module 770, it is understood that it does not belong to the essential constitution of the handset, and it can be omitted entirely as needed within the scope of not changing the essence of the application.
The phone also includes a power source 790 (e.g., a battery) for providing power to the various components, optionally, the power source may be logically connected to the application processor 780 through a power management system, so as to implement functions such as managing charging, discharging, and power consumption through the power management system.
Although not shown, the mobile phone may further include a camera, a bluetooth module, a light supplement device, a light sensor, and the like, which are not described herein again.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the channel selection methods as described in the above method embodiments.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any one of the channel selection methods as recited in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated unit, if implemented in the form of a software program module and sold or used as a stand-alone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps of the methods of the above embodiments may be implemented by a program, which is stored in a computer-readable memory, the memory including: flash Memory disks, read-Only memories (ROMs), random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (12)
1. A method for channel selection, the method comprising the steps of:
a terminal acquires parameter values of N channels, wherein N is an integer greater than or equal to 1;
the terminal determines the channel grade of each channel in the N channels according to the parameter values;
the terminal determines a target channel in the N channels according to the channel level and sends a first channel adjusting command to a wireless Access Point (AP), wherein the first channel adjusting command is used for indicating the AP to adjust a working channel to the target channel;
the method further comprises the following steps:
the terminal extracts a current application, and if the current application is a video application, acquires a first target channel, and sends a second channel adjustment command to the AP, where the second channel adjustment command is used to instruct the AP to adjust a first working channel to the first target channel, the first target channel is a target channel at a current position, and the first working channel is a current working channel of the AP;
when the playing video of the video application is played to the time T1, sending a third channel adjustment command to the AP, wherein the third channel adjustment command is used for indicating the AP to adjust a working channel to the first working channel;
wherein the content of the first and second substances,
the V1 is a downlink transmission rate of the first target channel, the V2 is a downlink transmission rate of the first working channel, the T is a total duration of the played video, the T0 is a playing time of the played video, and the W is a buffer memory from the T0 to the T of the played video.
2. The method of claim 1, wherein the terminal determines a channel rank for each of the N channels based on the parameter values, comprising:
performing the following steps for any one of the N channels:
if the channel comprises a plurality of parameter values, determining an interval corresponding to each parameter value of the channel;
determining a channel index corresponding to each parameter value of the channel according to the mapping relation between the interval and the channel index;
adding the channel indexes corresponding to each parameter value of the channel to obtain the sum of the channel indexes of the channel, and determining the channel grade of the channel according to the sum of the channel indexes of the channel.
3. The method according to claim 1 or 2, wherein the terminal determines a target channel according to the channel grade, comprising:
and the terminal determines the channel with the highest channel grade as the target channel.
4. The method of claim 3, further comprising:
if the number of the channels with the highest channel level is multiple, the terminal obtains the error rate of the channel with the highest channel level, and the channel with the minimum error rate is determined to be the target channel.
5. The method of claim 1, further comprising:
the terminal acquires a first transmission rate and a second transmission rate, and if the first transmission rate is smaller than the second transmission rate, determines a difference value between the second transmission rate and the first transmission rate, wherein the first transmission rate is a transmission rate allocated by the AP, and the second transmission rate is a transmission rate required by the terminal;
and the terminal determines a first time-frequency resource needing to be increased according to the difference value and sends a bandwidth adjusting instruction to the AP, wherein the bandwidth adjusting instruction is used for indicating the AP to adjust the time-frequency resource of the terminal according to the first time-frequency resource.
6. A channel selection terminal, characterized in that the terminal comprises:
an obtaining unit, configured to obtain parameter values of N channels, where N is an integer greater than or equal to 1;
the processing unit is used for determining the channel grade of each channel in the N channels according to the parameter values and determining a target channel in the N channels according to the channel grade;
the processing unit is further configured to send a first channel adjustment command to a wireless access point AP, where the first channel adjustment command is used to instruct the AP to adjust a working channel to the target channel;
the processing unit is further to:
extracting a current application, if the current application is a video application, acquiring a first target channel, and sending a second channel adjustment command to the AP, where the second channel adjustment command is used to instruct the AP to adjust a first working channel to the first target channel, the first target channel is a target channel at a current position, the first working channel is the current working channel of the AP, and when a playing video of the video application reaches a time T1, sending a third channel adjustment command to the AP, where the third channel adjustment command is used to instruct the AP to adjust a working channel to the first working channel;
wherein the content of the first and second substances,
the V1 is a downlink transmission rate of the first target channel, the V2 is a downlink transmission rate of the first working channel, the T is a total duration of the played video, the T0 is a playing time of the played video, and the W is a buffer memory from the T0 to the T of the played video.
7. The terminal according to claim 6, wherein in determining the channel rank of each of the N channels, the processing unit is specifically configured to:
performing the following steps for any one of the N channels:
if the channel comprises a plurality of parameter values, determining an interval corresponding to each parameter value of the channel, determining a channel index corresponding to each parameter value of the channel according to the mapping relation between the interval and the channel index, adding the channel indexes corresponding to each parameter value of the channel to obtain the sum of the channel indexes of the channel, and determining the channel grade of the channel according to the sum of the channel indexes of the channel.
8. The terminal according to claim 6 or 7, wherein, in determining the target channel according to the channel class, the processing unit is specifically configured to:
and determining the channel with the highest channel grade as the target channel.
9. The terminal of claim 8, wherein the processing unit is further configured to:
if the number of the channels with the highest channel grade is multiple, obtaining the error rate of the channel with the highest channel grade, and determining the channel with the minimum error rate as the target channel.
10. The terminal of claim 6, wherein the processing unit is further configured to:
the method comprises the steps of obtaining a first transmission rate and a second transmission rate through an obtaining unit, determining a difference value between the second transmission rate and the first transmission rate if the first transmission rate is smaller than the second transmission rate, determining a first time-frequency resource needing to be added according to the difference value, wherein the first transmission rate is the transmission rate distributed by an AP, the second transmission rate is the transmission rate needed by a terminal, and sending a bandwidth adjusting instruction to the AP, wherein the bandwidth adjusting instruction is used for instructing the AP to adjust the time-frequency resource of the terminal according to the first time-frequency resource.
11. A terminal comprising a processor, a memory, and a communication interface, wherein the memory has one or more programs stored therein and the one or more programs are configured to be executed by the processor, the programs including instructions for performing the steps in the method of any of claims 1-5.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 1-5, the computer comprising a terminal.
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| CN111432453B (en) * | 2020-02-27 | 2022-06-17 | 深圳市镭神智能系统有限公司 | Communication channel determination method, device and equipment |
| CN114339928A (en) * | 2020-09-30 | 2022-04-12 | 南京翊宁智能科技有限公司 | Wireless router and data transmission method thereof |
| CN112235082A (en) * | 2020-10-23 | 2021-01-15 | Tcl通讯（宁波）有限公司 | Communication information transmission method, device, equipment and storage medium |
| CN114915359B (en) * | 2021-02-09 | 2023-07-18 | 华为技术有限公司 | Method, apparatus, electronic device and readable storage medium for selecting channel |
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| US9775164B2 (en) * | 2014-01-28 | 2017-09-26 | Netgear, Inc. | Automatic wireless network channel selection |
| JP6352450B2 (en) * | 2014-03-27 | 2018-07-04 | インテル アイピー コーポレイション | Apparatus, system and method for selecting a wireless communication channel |
| CN106961693B (en) * | 2017-03-30 | 2020-08-04 | 深圳市网是科技有限公司 | Method for determining working channel of wireless access equipment |
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